#you OWN a gas chromatograph!

[irelyre]

arson 'science' is the worst one. the story of cameron todd willingham will leave you with the inescapable conclusion that it is morally defensible, even correct, to attack arson investigators in the street with your bare hands and teeth.

Four years after he was executed for an arson that certainly never occurred, the ATF conducted an experiment: they set a room on fire. then 53 fire investigators were asked to identify which quadrant of the room the fire started. only 3 could. guessing at random should have netted 10+ correct answers.

don't get me started on field test kits. or 'drug' dogs.

criminal profiling is just astrology for cops

[meetinginsamarra]

mayprompts2024, #28 empty

Chapters 1 to 4 here on AO3

If you like the tattoo AU give it some love on my AO3, please. It would mean a lot to me. TYSM!

+++++

White Pony Tattoo - Part Eight (empty)

John followed Sherlock through another door that lead into a narrow and dim corridor and then into a tiny hall. There was one flight of stairs leading upwards and one leading down, Sherlock chose to go downstairs.

When they arrived in the basement, John felt the change in temperature and moisture. It was a bit damp down here where the old Victorian groundwork had been built into the London soil. John shivered involuntarily.

Sherlock, of course, observed John twitching and reassured him that the dampness was only tangible in the basement hall but not inside 221c.

“Don’t worry, I had the previously unoccupied basement flat modernized and insulated. I need a perfect room climate in there.”

Sherlock took out a key and fiddled with the lock.

For someone as nimble as Sherlock not directly hitting the keyhole was just implausible, so John suspected that he was just putting on a show. Drawing out the moment of reveal what lay behind the mysterious door like a seasoned magician who captivates the audience with every move of his fingers.

To John’s own amusement, he realized that he was holding his breath, filled with excitement. When John shivered once more, this time it was not due to the temperature.

“Ta-Daaaa!”

Sherlock finally had opened the door with a flourish and stepped aside so that John could get an unhindered view into the room.

John gasped and glanced at Sherlock whose face radiated pride and happiness.

It was a laboratory.

It was a completely equipped chemistry laboratory. John spotted two microscopes on a large worktable in the middle of the room. The walls were lined with workbenches and shelves, stuffed with lab supplies and glassware and notebooks. There was a spectrometer, a gas-phase chromatograph and other devices John didn’t know. A high-speed table centrifuge and a whole destillation setup including an absorption column occupied the central worktable besides the microscopes.

Stunned and overwhelmed, John entered, hearing that Sherlock was right behind him, closing the door.

“Wow, that’s fantastic. I’d never have guessed you have a whole lab down here.”

John turned around to get a panorama view of the room. On the wall beside the entrance door John saw a custom-made wooden display cabinet. It contained numerous tiny phials made of brown glass. Each sported a plain white label with a number and letter combination scribbled onto in spidery script.

All the while, Sherlock watched John taking in the lab he had created and a warm wave of deep affection for the doctor rose in him.

“Oh, is this your ink-laboratory?” John exclaimed, suddenly understanding.

“Very good, John.”

“You’re making your own inks here? I’ve never heard of someone doing this before. This level of perfection.” John looked at Sherlock, full of awe.

“That’s because I’m the only one. I’ve invented the customized ink and I have patented the process.” Sherlock preened.

“But how…” John started.

“I’m a graduate chemist, John. A very good one.” Sherlock lost himself in John’s ocean-blue eyes.

“Brilliant.” John whispered, staring back into Sherlock’s eyes that had changed their colour again into a bright cerulean blue.

Sherlock broke eye contact first. “I need to take a tiny sample of the skin at your arm, John. It won’t hurt.”

“I’m all yours.” I could be yours forever, if you want me.

Sherlock launched into work and into a rapid-fire explanation of what the customisation of ink meant. He talked about tiny aberrations in the acidity of the clients’ skin, the obvious varying nuances of skin colour. How long the skin had been exposed to the sunlight and would be in the future. Aging processes, UV-resistance and so on and on. All in the name of creating a long-lasting, never-fading and perfect ink for this one special customer.

Sometimes John understood what Sherlock explained, being a medical man. Other times he had no idea what Sherlock was on about. It didn’t matter. John was fascinated by Sherlock’s enthusiam and zeal, he practically radiated it like a sun.

Early on in the lab, Sherlock had quickly discarded the cool and detached, even stand-offish demeanour he had shown when they had first met today. It had been replaced with a contagious child-like joy when Sherlock was totally in his element, explaining his thoughts and experiments and showing John how the destillation apparatus worked.

The 35 minutes that John spent with Sherlock together in the lab, were the most intense he had ever experienced, his time during combat in Afghanistan included.

John was the centre of Sherlock’s world, the one fixed point Sherlock focused all of his attention on. It had been a heady feeling and was nearly too much to take in all at once.

Never before, John had felt so seen, so understood, so known by another human being.

Afterwards, they had said goodbye and exchanged their telephone numbers to keep in touch.

They had also exchanged a spontaneous hug, one that came across as a bit awkward on Sherlock’s side as if he was not accustomed to doing such gestures of sentiment.

Back outside the shop, John felt an enormous emptiness encrouching on him. It threatened to swallow him whole and drag him down into the endless lightless depths of a cold ocean.

John was alone.

++++++

tagging some people @totallysilvergirl @peageetibbs @lisbeth-kk  @raina-at  @calaisreno

[duhragonball]

Dragon Ball 042

Hey, it’s the Dr. Flappe episode.  Let’s just settle in and talk about this guy a bit.

So this is a mostly-filler episode.  In the manga, the Mayor of the village hangs out with Suno’s family, Android 8, and Goku in the aftermath of the fall of Muscle Tower.   As they talk, they start to wonder what ever happened to the Dragon Ball the Red Ribbon Army was looking for.    It must be in the general area, because their radar said so, and yet they never found it.   Then Android 8 revealed that he had it the whole time.

Turns out that 8 found the ball in a cave one day.   I guess General White let him wander around outside?   He might have turned the ball over to White, but then he overheard the general saying that he planned to kill all the villagers once the Dragon Ball was found.   Horrified, 8 kept the ball on his person, and told no one.   So the great irony is that the Red Ribbon Army had the Dragon Ball in their own fortress the whole time, and never knew it.   I guess no one considered searching Muscle Tower.   

When the mayor hears this story, he’s overcome with admiration for 8 and Goku’s heroism, and he invites them both to come live with him and his wife.   Goku, of course, can’t stay, because he still has to find his Grandpa’s Four-Star Ball.   I should write a longer post on this topic.   People argue that Goku doesn’t care about his family, but big chunks of Dragon Ball are devoted to Goku trying to preserve this last legacy of his adoptive grandfather.    If he’s this sentimental towards his deceased family members, how much more must he care for his living ones?  They mayor is practically offering to become Goku’s new grandpa, and Goku’s like “thanks, but no thanks.”

In the manga, 8 happily accepts the mayor’s offer.   At first he’s reluctant because he isn’t really human, but the mayor doesn’t care about that, and he even addresses 8 as his “son”.   That’s how emotional this scene is.   The anime doesn’t quite get to that level of gushing, which I think is a bit disappointing.   I liked how two of these minor characters managed to form a bond in the wake of Goku’s heroism.  It’s sort of like how Yamcha and Bulma hooked up, or how Krillin found a home with Master Roshi.

The anime diverges a bit here by having 8 sadly decline the mayor’s offer.  Sure, he’d like to live with the guy, but he can’t, because he’s worried about the bomb built into his body.   Goku destroyed the remote detonator, but he’s still worried that it might go off for some reason.   I find that unlikely, but I can’t blame 8 for being anxious about it. 

The others suggest that Dr. Flappe might be able to help, as he’s a reclusive scientist who lives near the village, and he sometimes fixes people’s things in between his research.   He doesn’t like strangers, but he does like Suno, because let’s face it, everyone likes Suno, she’s great.   So they decide to head out to his place in the morning and ask him to take a look at 8′s body.    Before bed, Goku notices that his Dragon Radar isn’t working, probably because he had it in his shirt the whole time he was getting punched by Red Ribbon goons.   So he decides to ask Dr. Flappe to fix that while he’s working on 8′s problem.

There’s just one little problem: Ninja Murasaki survived the collapse of Muscle Tower.   This always seemed kind of random to me, but now that I think about it, he was the only bad guy in this arc who was still in one piece and inside the tower when it collapsed.   General White might have been a better choice, but we just finished with him, and he doesn’t have the skills needed to follow Goku’s group without being noticed.   

So much of this episode is a gag reel of Murasaki using his stealth tactics to follow Goku.   His camouflage sheet actually works this time, making him look like part of a tree, but Goku happens to take a leak on that very tree, so maybe he shouldn’t have bothered.

Later, Suno leads them across a frozen pond, and Goku learns that you can walk across frozen water.    This seems like a really irresponsible thing to put in a cartoon.   The cartoons I grew up with were really uptight about this, and always made a big deal about how you should never try this, and what a miserable experience it would be to fall into the water below.   Past a point, I started to wonder who would be foolhardy enough to do this sort of thing, and then Ninja Murasaki shows up and shows us why it’s a bad idea.   The ice was thick enough to support Android 8′s weight, but he weakened it enough that it cracked under Murasaki’s.  Even worse, he has to hide in the water until Goku’s party moves on.   So he’s soaking wet and out of breath and he’s got a lump on his head from having to headbutt his way through the ice, because he couldn’t find the hole he fell into.

At last the gang arrives at Dr. Flappe’s house, which doesn’t look like it’s big enough to have much in the way of scientific equipment, but maybe he’s got a rad basement.   That’d be awesome.   I don’t know what kind of stuff I’d put in my science cave.   I’d like to say gas chromatographs, but you have to have a gas supply to run those, and it’d be a pain in the butt getting compressed gas tanks in and out of a finished basement.   I guess I could use a hydrogen generator though.   What does Batman do, I wonder...?   My point is that I’d have a pinball machine down there. 

Flappe agrees to help, but then Goku falls asleep, so he goes to fetch a blanket for the li’l guy, only to find Murasaki waiting for him in his bedroom.  

This would probably be the starting point for a ton of Flappe/Murasaki slash fanfics, if that were a thing.   Murasaki blames Dr. Flappe for the fall of Muscle Tower, since Goku wouldn’t have won if #8 had just killed him like he was supposed to do.    And since Flappe created #8, that means he’s responsible.   Wait, what?

So, this episode establishes that #8 was in fact created by Dr. Flappe, which was probably an insignificant detail at the time, but this would be overruled by later continuity.   In Dragon Ball Z, it was established that Dr. Gero was the mastermind behind the Red Ribbon’s Androids/Cyborgs/whatever.  

The Daizenshuu attempted to reconcile this by suggesting that Flappe and Gero collaborated on #8, but I have some issues with this.    First and foremost, the Red Ribbon Army couldn’t have been operating in Suno’s village for very long, if all they ever wanted there was the Dragon Ball.   This means that Flappe and Gero would have only worked together for a very short time.  Maybe General White wanted a Jinzoningen soldier to beef up Muscle Tower’s defenses, so he had Dr. Gero send Dr. Flappe his schematics, and talked him through the procedure over the phone.  

That would explain why #8 was a failure in the eyes of the Red Ribbon Army.   He was a rush job, and even if Flappe had been motivated to do a good job, he was doing something he’d never done before, and probably working from a very experimental blueprint.   To be sure, even Dr. Gero had trouble building a Jinzoningen that would actually follow orders.   #16 ended up a lot like #8, and #17 and 18 were defiant as well.   #19 seems to be the only successful model, at least in terms of actually doing what Gero wanted him to do.    Of course #20 was Gero himself, and I sort of wonder if he only turned himself into a cyborg just because he had given up on the idea of getting any other android or cyborg to follow his orders.   So we can’t really blame Flappe for #8′s failings. 

At first, Flappe refuses to help Murasai, but then Suno walks in on them, and Murasaki uses her as a hostage.    He orders Flappe to steal Goku’s knapsack for him, and even though #8 notices, and Goku finally wakes up, Murasaki manages to get away.    Goku chases after him, even firing a Kamehameha wave to stop Murasaki.   He ducks to avoid it, but the blast starts an avalanche, burying Murasaki in the snow.   Goku recovers his knapsack, and opens it to reveal his lunch.  

Yep, turns out Goku didn’t even bring the Dragon Balls with him on this trip, so Murasaki’s scheme was a complete waste of time.   I guess Murasaki might have managed to steal the Dragon Radar, but it’s broken right now, except not even Dr. Flappe could fix it, so it would have been useless to him.

Come to think of it, in the manga, it was #8 who offered to take a look at Goku’s Dragon Radar, and he was the one who said that it was way over his head.   I guess having Dr. Flappe admit the same thing makes Bulma look like an even bigger genius.

With Murasaki out of the way, Flappe finally removes the bomb from 8′s body, which turns out to be a lot smaller than I would have thought.  They all act like the slightest disturbance could set it off, but that makes no sense.   The whole point of the bomb was that it could only be set off by the remote, which Goku already destroyed.   This episode keeps trying to suggest that the bomb could go off at any moment, or that it’s somehow safer outside of 8′s body.   If it were that tempermental, the Red Ribbon Army wouldn’t have wanted it installed in the first place.    They wouldn’t have wanted 8 to blow up unexpectedly in the middle of Muscle Tower.

WIth their business settled, Goku tosses the bomb into the mountains, thinking it will explode without harming anyone.   In fact, it lands right on Murasaki just as he’s digging himself out of the snow.

So I’m pretty sure this means he’s dead now.   I guess his four brothers died in the fall of Muscle Tower?  I gotta say, I don’t think a lot about Murasaki, and this isn’t one of my favorite arcs in Dragon Ball, but he really is a fun character.   Good hustle, Sergeant.

As Goku and the others leave Flappe’s home, he thinks to himself how he couldn’t admit to 8 that he had been the one to build him and put the bomb in his body in the first place.   Flappe only helped the Red Ribbon Army because they threatened to kill all the villagers if he refused, which is kind of poetic in a way, because that’s exactly why 8 hid the Dragon Ball.  

[kimpexflowfan-blog]

A Simple Key For Diaphragm Gas Meters Unveiled

Gas Train Do the job bringing about the emergence of your fuel turbine locomotive commenced in France and Sweden within the nineteen twenties but the first locomotive didn't seem right until the forties. Significant gasoline consumption was A significant Consider the drop of traditional gas-turbine locomotives and the usage of a piston engine like a gasoline generator would most likely give superior gasoline overall economy than the usual turbine-kind compressor, particularly when jogging at lower than complete load. We now have normally been for the forefront of emissions reduction analysis, and a lot of of our burner merchandise make full use of systems to reduce NOX emissions. Specifically, our line of radiant tube solutions, regenerative burners, and higher thermal launch (flat-flame) burners are several of the most Innovative with regards to emissions mitigations." In the most general of terms, industrial warmth-treating chambers, that may be furnaces, ovens, or kilns, there are two styles: batch and ongoing. Cochran clarifies the differences: "Batch furnaces have a stationary load of fabric and set it via a thermal cycle. A continuous approach usually takes a load and physically moves it through a heating cycle. Inside the broadest phrases, often batch processes, which include aluminum melting furnaces, and forge furnaces, are fantastic candidates for regenerative units. On the other hand, recuperative techniques are popular For most continual operations, such as steel reheat furnaces. In genuine application, the distinction is just not so clear-Minimize. Most applications, with good engineering, can normally accommodate most sorts of combustion units." Managing burner operation Pressure switches designed for computerized burner controls, for usage in furnace, ventilation and air con programs. For example, a single valve might open up; when this happens, the connected (or connected) valve may perhaps shut at a similar level. The goal is to aid regulate the fuel and combustion air mixture in the burner. Normally Enabled Vital cookies are Unquestionably important for the website to operate appropriately. This category only involves cookies that ensures fundamental functionalities and security measures of the website. These cookies tend not to retail store any own info. Non-needed Non-important A smart man the moment mentioned, "Boilers are only nearly as good as their feedwater." High-quality feedwater assures The inner components of a boiler are able to… Study the Article Take note: Photos of products and solutions are delivered for illustrative purposes only. The particular merchandise you receive could range In the fuel feed alone is found the drip leg or Dust leg, and that is also found in a residential set up and performs a similar operate. The calorific worth of normal gas is usually acquired using a system gas chromatograph, which steps the quantity of Every single constituent of the fuel, particularly: This text wants supplemental citations for verification. You should assistance improve this informative article by incorporating citations to responsible sources. Unsourced content may very well be challenged and eliminated. Each steam and entrained drinking water particles have the very same velocity but distinctive mass. The adjust in momentum for water particles is larger than for steam particles. This distinction from the momentum of h2o particles leads to the separation.  Standard separation effectiveness is ninety eight% for steam by using a dryness fraction of 90% as well as. This can be assuming a most thirty% fluctuation in steam movement charge. Quite a few can be found atop the burner housing. This will shut off electric power to the burner In the event the fuel tension is simply too superior. These controls normally Possess a manual reset that would require resetting whenever they journey. Gasoline strain switches usually are not mounted on each individual boiler and are typically applied when the gasoline ranking from the burner is greater than 2,five hundred,000 Btuh. This switch is usually wired to your flame safeguard and can lock out your burner If your gasoline strain will become way too reduced. Diaphragm meters are generally employed for very low to medium capacities in residential and professional purposes. They're also ideal for metering pilot gas as they've got the best turndown during the business. Diaphragm Gas Meters

[foone]

Some things that might be fun to explore, ones I intentionally didn't nail down: (I have theories but I don't want to make any of them concrete)

What's all that ash in the air? You could stick it under a microscope/Gas chromatograph. What it is could be a big hint as to what happened to this world

I mention in one of the reblogs that two or more people can go there at a time, but there's only one return trip. What happens to people left behind?

The power is out, and this extends to batteries. Sure, maybe the coal plants and nuclear power aren't running anymore, but what about hydroelectric power? Why isn't the hoover dam still making power?

As multiple people have suggested, what if you go above the ash cloud? What if you launch a balloon or a rocket?

I mention the newspapers not saying what happened, but maybe this just happened too fast for them to get a new issue out? Maybe you could go to a TV station and get their computers running again (bring in your own batteries, or bring their computers back to our world). Maybe they did cover what was happening.

There's lots of straightforward ways to get rich by stealing and/or duplicating things using The Empty World. What's the most interesting thing you could do by its ability to let you travel into places you couldn't normally get to (because of guards and locked doors)?

Here's a thought: rescuing recently destroyed/stolen things. It's based on the world of a few weeks ago, right? What if the Louve burns down, and a lot of priceless art is destroyed. If you jump into The Empty World anytime in the next couple weeks, they'll still be there, untouched. You could "steal" them and return them to this world.

You're in The Empty World and you hear a scream in the distance. You brought no one with you. Do you run towards the scream or do you get out of there immediately?

Did you wear a respirator into The Empty World? Have you been breathing in all that ash? Maybe that has repercussions.

You arrive, and someone has written a message in the ash. A warning. For people like you.

There exist another dimension called The Empty World. It's very much like ours, in fact it seems to have been identical up until a few weeks ago, but it always seems that way. If you go there today, it was identical in late february, and if you go there this october, it'll have been identical until september.

It's empty, as you might guess. There's no humans, and no animals bigger than a cockroach. The sky is grey, and it slowly rains ash. It's colder than our world by a bit, enough to require a jacket even in summer. The streets are empty, the cars parked neatly in their garages or in lots, but they're all empty and abandoned, their doors locked like they expect their owners to return any minute now.

The newspapers left on stands don't mention any oncoming disaster. We have no idea what the TV or internet would have said: the power is out. The power is very, very out. Not just the grid, but batteries are drained. The cars won't start, the emergency lights are out, and anything with solar panels seems to be getting less energy than you'd expect, even with the perpetually overcast sky.

It's a very silent world, like the calm after a snowstorm. Sounds don't seem to echo as much as they should, nor does sound seem to travel as far. The radio spectrum is empty except for static, there's no one transmitting on any frequency.

There's fewer fires than you'd expect. Even places you'd expect to soon catch fire without human intervention are still standing, undamaged. Campfires can be lit but with difficulty: something is keeping them from burning as they should. Even if you pour kerosene on a campfire it'll barely grow, it's like something sucked the energy out of everything.

All the locked buildings are still locked. Alarms don't sound if you break in (understandable, given the power situation), and of course no one comes to investigate. So The Empty World is your oyster: you can break in wherever you want (provided you can physically do it: some doors are pretty hard to pry open even with tools), take whatever you want, and bring it back here.

Everything resets when you leave. You always enter The Empty World like it's your first time there, like this just happened and you're late to the party... but the party keeps getting rescheduled. You can even take something multiple times if you want.

When you enter The Empty World you get there at the same relative position as you are on this world. If you're in New York, you show up in the empty New York. If you're in Topeka, you show up in empty Topeka. So you have to travel around this world to get to where you want, and you can't just appear in the middle of a bank vault... unless you break into the vault from this world. (So it's great if you work at a bank and want to steal from your employer without repercussions, but not so useful otherwise).

You don't just have to take things, you know. You can take computers and files and books and diaries. You will have to deal with recharging laptops and breaking through any security when you get back, but it's doable.

So, imagine you've just gotten access to The Empty World. What are you going to do with it? What will you take, and where will you go?

[tmr123123]

Prepacked Chromatography Columns Market Share, Industry Growth, Trend, Drivers, Challenges, Key Companies by 2027

Global Prepacked Chromatography Columns Market size was valued at US$ 254.35 Mn in 2019 and the total revenue is expected to grow at 4.6% through 2019 to 2027, reaching nearly US$ 362.76 Mn in the forecast period.

Global Prepacked Chromatography Columns Market Overview:

The pre-packed column comes with a ready-to-use in manufacturing from a no. of vendors. Prepacked Columns are pre-filled with the stationary phase and can directly be attached to chromatographic systems.

The report has covered the market trends from 2015 to forecast the market through 2026. 2019 is considered a base year however 2020's numbers are on the real output of the companies in the market. Special attention is given to 2020 and the effect of lockdown on the demand and supply, and the impact of lockdown for the next two years on the market. Some companies have done well in lockdown also and specific strategic analysis of those companies is done in the report.

Global Prepacked Chromatography Columns Market Dynamics:

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The growth of the market is driven by international cooperation between leading research institutes and the firms responsible for food and drug development, beverage testing. The demand for biopharmaceutical products like pre-filled injections, vaccines, monoclonal antibodies together with Good Manufacturing Practices (GMP) and GDP certifications for new pharmaceutical ingredients and product launches, with drug discovery, is likely to fuel the growth of the prepacked Chromatography column market.

Prepacked Chromatography columns have various applications like affinity, gel filtration, hydrophobic interaction, and ion exchange. These applications are likely to boost the growth of the demand in the forecast period. Further, private research organizations are investing a huge amount in research and development activities on neutraceuticals and novel molecules.

 Growing demand and for pharmaceutical products with high quality matching international standards is likely to fuel the growth of the market. Moreover, benefits offered by prepacked chromatography columns like reduced labor cost, operational flexibility, lower time consumption, with high productivity are likely to fuel the growth of the market in the forecast period.

 The growth of the market is also stimulated by mergers and acquisitions and new launches by the dominating companies. For Instance, in Jan 2019, Shimadzu corporation launched their very own Nexera prep series Preparative purification liquid chromatography. This innovation will assist in the extraction of the target molecule in the analysis. Further, it will improve efficiency via effective preparation work using LC or an LCMS.

Global Prepacked Chromatography Columns Market Segment Analysis:

More than 1L segment is dominating the Type segment of Global Prepacked Chromatography Columns Market: A pre-packed column with more than 1L capacity filling is estimated to gain more attention in the market with the largest market share of 52.2% in 2020. The segment is anticipated to grow at a high pace during the forecast period. 

The factors attributing to the growth of the market are the viability of larger-sized pre-packed columns for an analysis of various chemical compounds. The reduced cost of the prepacked chromatography column is likely to boost the growth of the market. Large-sized columns are preferred more as compare to 1-100ml, and 100-1000ml due to effective and efficient separation of the molecules in a compound and this factor is responsible to offer a precise assessment of impurities and heavy metals. Besides, growing advancement coupled with various technologies is likely to fuel the growth of the market in the forecast period. 

The Pharmaceutical Industry segment is considered to supplement the growth of the Global Prepacked Chromatography Columns Market. Pharmaceutical industries are dominating the growth of the end-user segment of the prepacked chromatography column market with 38.4% of market share in 2020. The factors attributed to the growth of the market are growing biopharmaceutical industries in developing countries. Further, growing development in novel drug molecules and the estimation and analysis of the active pharmaceutical industry are likely to boost the growth of the market. 

Further, an increasing amalgamation of drugs and novel drug formulations to determine the content and purity of the drug is likely to gain more attention in the market and is likely to motivate the growth of the market. Besides, new product launches by the companies Agilent Technologies Inc. is likely to boost the growth of the market. For instance- Agilent Technology Inc. a pharmaceutical industry announced a Gas Chromatography system with Innovation Instruments Intelligence a ‘Self-aware’ prognostic technology, expanding their suite of smart-connected Gas Chromatography instruments.

 The food and beverages segment is estimated to gain a significant market share of 34.2 in the forecast period. The factors attributing to the growth of the market are the growing food and beverages industry with efficient quality and quantity. And this factor is likely to motivate the growth of the global prepacked chromatography columns during the forecast period.

Global Prepacked Chromatography Columns Market Regional Insights:

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Global Prepacked Chromatography Columns Market Regional Insights is segmented into North America, Asia Pacific, Europe, Latin America, Middle East, and Africa. North America is leading in the Prepacked Chromatography Columns market with 35.7% of market share in 2020 due to the presence of the major market player like Agilent Technologies, GE Healthcare Lifesciences, Atoll GmbH. The growth of the region is attributed to wider exposure to technologies and advancement in the research and development sector with high-tech infrastructure.

 Moreover, approvals from government organization like Food and Drug Administration is likely to boost the growth of the market. Asia Pacific is gaining a significant market share with the highest CAGR of 5.3% during the forecast period. Moreover, the rising development in monoclonal antibodies is responsible to contribute a larger market share in biological products due to clinical developments. As per World Health Organization (WHO), Good Manufacturing Practices (GMP) are oblique towards the quality assessment of food and drug industries. This factor is estimate to supplement the growth of the market.

Global Prepacked Chromatography Columns Market, by Region

North America o U.S. o Canada • Europe o Germany o U.K. o France o Italy o Spain • Asia Pacific o Japan o China o India o Australia o South Korea • Latin America o Brazil o Mexico o Argentina o Colombia • Middle East and Africa (MEA) o South Africa o Saudi Arabia o UAE

Global Prepacked Chromatography Columns Market Key Player

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GENERAL ELECTRIC• Agilent Technologies, Inc. • Thermo Fisher Scientific Inc. • Repligen Corporation • Tosoh Corporation • Merck & Co., Inc. • Phenomenex Inc. • F. Hoffmann-La Roche Ltd • Bio-Rad Laboratories • GE Healthcare Lifesciences • Atoll GmbH • EMD Millipore

[sciencespies]

Scientists Discover An Immense, Unknown Hydrocarbon Cycle Hiding in The Oceans

https://sciencespies.com/environment/scientists-discover-an-immense-unknown-hydrocarbon-cycle-hiding-in-the-oceans/

Scientists Discover An Immense, Unknown Hydrocarbon Cycle Hiding in The Oceans

In the awful wake of an oil spill, it’s typically the smallest of organisms who do most of the cleaning up. Surprisingly, scientists know very little about the tools these tiny clean-up crews have at their disposal.

But now, thanks to a new study, researchers have uncovered a whole new cycle of natural hydrocarbon emissions and recycling facilitated by a diverse range of tiny organisms – which could help us better understand how some microbes have the power to clean up the mess an oil spill leaves in the ocean.

“Just two types of marine cyanobacteria are adding up to 500 times more hydrocarbons to the ocean per year than the sum of all other types of petroleum inputs to the ocean, including natural oil seeps, oil spills, fuel dumping and run-off from land,” said Earth scientist Connor Love from the University of California, Santa Barbara (UCSB).

But unlike more familiar human contributions of hydrocarbons into our ocean, this isn’t a one-way, local dump.

These hydrocarbons, primarily in the form of pentadecane (nC15), are spread across 40 percent of Earth’s surface, and other microbes feast on them. They’re constantly being cycled in such a way that Love and colleagues estimate only around 2 million metric tonnes are present in the water at any one time.

“Every two days you produce and consume all the pentadecane in the ocean,” Love explained.

(Luke Thompson, Chisholm Lab/Nikki Watson, MIT)

Above: A species of the globally distributed marine cyanobacteria, Prochlorococcus.

Today, humanity’s hydrocarbon footprints can be found in most aspects of our surroundings. We emit these molecules composed of only carbon and hydrogen atoms in many ways – the bulk through extraction and use of fossil fuels, but also from plastics, cooking, candles, painting, and the list goes on.

So it probably shouldn’t be a huge surprise that traces of our own emissions drowned out our ability to see the immense hydrocarbon cycle that naturally occurs in our oceans.

It took Love and colleagues some effort to clearly identify this global cycle for the first time.

Far from most human sources of hydrocarbons, in the nutrient-poor North Atlantic subtropical waters, the team had to position the ship they sampled from to face the wind, so the diesel fuel that also contains pentadecane did not contaminate the seven study sites. No one was permitted to cook, smoke or paint on deck during collections.

“I don’t know if you’ve ever been on a ship for an extended period of time, but you paint every day,” explained Earth scientist David Valentine from UCSB. “It’s like the Golden Gate Bridge: You start at one end and by the time you get to the other end it’s time to start over.”

Back on land, the researchers were able to confirm the pentadecane in their seawater samples were of biological origin, by using a gas chromatograph.

Analysing their data, they found concentrations of pentadecane increased with greater abundance of cyanobacteria cells, and the hydrocarbon’s geographic and vertical distribution were consistent with these microbe’s ecology.

Cyanobacteria Prochlorococcus and Synechococcus are responsible for around a quarter of the global ocean’s conversion of sunlight energy into organic matter (primary production) and previous laboratory cultivation revealed they produce pentadecane in the process.

Valentine explains the cyanobacteria likely use pentadecane as a stronger component for highly curved cellular membranes, like those found in chloroplasts (the organelle that photosynthesise). 

The cycle of pentadecane in the ocean also follows the diel cycling of these cyanobacteria – their vertical migration in the water in response to changes of light intensity throughout a day.

Together, these findings suggest the cyanobacteria are indeed the source of the biological pentadecane, which is then consumed by other microorganisms that produce the carbon dioxide the cyanobacteria then use to continue the cycle.

Earth’s natural hydrocarbon cycle. (David Valentine/UCSB)

Love’s team identified dozens of bacteria and surface-dwelling archaea that bloomed in response to the addition of pentadecane in their samples.

So they then tested to see if the hydrocarbon-consuming microbes could also break down petroleum. The researchers added a petroleum hydrocarbon to samples increasingly closer to areas with active oil seepage, in the Gulf of Mexico.

Unfortunately, only the sea samples from areas already exposed to non-biological hydrocarbons contained microbes that bloomed in response to consuming these molecules.

DNA tests showed genes thought to encode proteins that can degrade these hydrocarbons differed between the microbes, with a contrast evident between those that ate biological hydrocarbons and those that devoured the petroleum-sourced ones.

“We demonstrated that there is a massive and rapid hydrocarbon cycle that occurs in the ocean, and that it is distinct from the ocean’s capacity to respond to petroleum input,” said Valentine.

The researchers have begun sequencing the genomes of the microbes in their sample to further understand the ecology and physiology of the creatures involved in Earth’s natural hydrocarbon cycle.

“I think [these findings reveal] just how much we don’t know about the ecology of a lot of hydrocarbon-consuming organisms,” said Love.

This research was published in Nature Microbiology.

#Environment

[a-flickering-soul]

So I hear you worked in a lab for two weeks.... tell me about that. What kind of lab, what did they have you doing? (I haven't been in a lab since my bacterial metabolism classes in college over 10 years ago and I miss it)

     All right fam let me lay in on this shit because it was WILD      So first off, let me start off with telling y'all that I’m a huge fucking nerd, so I have no idea if what I see as super fucking cool is actually super fucking cool to any other normal person.   So consider this a disclaimer, because this is way longer than I anticipated and is kind of dumb.

    So this summer I had the amazing opportunity to do a chemical analysis course at a local college and honestly I signed up for it on a whim and had no real idea what it actually entailed. So I show up the first day after getting lost like six times, roll into the lab like 10 minutes late, and immediately get hit with a lecture about molecular structure and intermolecular forces that I was woefully unprepared for, to say the least (the rest of the lectures for the next two weeks went largely the same way, with very few exceptions).     The first week, we used a GC-MS to analyze mystery substances on a paper sample like they do in crime shows (I am now able to bitch properly about how inaccurate they are) as well as analyze caffeine amounts in specific drinks  (to my recollection, it was black tea, green tea, decaf green tea, coffee, instant coffee, and red bull). A GC-MS,  or gas chromatography-mass spectrometer, is basically a machine that takes a substance dissolved in a solvent, breaks the substance up into molecules, and analyzes how much of a specific molecule is in the substance  (I’m sure there are multiple things wrong with that explanation; bear in mind that I’m really dumb).  In order for the GC-MS to run the samples, the substance tested had to be added to a solvent and mixed. There were three different ways to mix it: there was a sonicator, which used sound waves to break up solids into tiny little pieces, a centrifuge, which spun samples at like 5000 rpm  and something called the vortex, which literally just shook things really hard (that one was my favorite).     The second week, we synthesized aspirin in the lab. Like, we made aspirin. I took powders and liquids, mixed them together, and made something that could actually be used and help people. The rest of the second week, we ran tests using the LC-MS (a liquid chromatographer-mass spectrometer, which you get to set up manually with a fun syringe getup instead of automatically like the GC-MS) to make sure that the substance we made was actually aspirin (it was). We also got to make esters, which are basically these chemical structures you can make with alcohols and acids that smell like, depending on what you mixed, fruits, liquors, or god-awful literal dogshit. It was great. The whole lab smelled like raspberries and Expo markers. The second week, we also got to make our own sparklers (!!!) and GOD, words cannot express how GODDAMN COOL that was to me. My sparkler came out this lovely pink color and burned so bright it left afterimages on my eyes. (We also got to make liquid nitrogen ice cream, but that was more the grad students we worked with than us high schoolers (grad students are really weird, by the way (like one of them tried to squish an ant with a pocket knife (it didn’t work))).     What I loved most about this entire experience was the equipment we got to use. Like, SHIT, dude, the most technologically advanced thing I’ve used in a lab was a Bunsen burner, and going from a dinky little flame to a huge humming $8k machine was dizzying in the best way possible. There was a scale that measured milligrams and was so sensitive it would pick up your footsteps on the floor. We got to wear actual lab coats and I am now enamored with the feeling of a lab coat flowing out behind me as I walk. We also got actual clear lab goggles we could see out of, which was huge if you’ve ever had to wear shitty high school chem lab goggles. It was incredible, and the lab work was amazing to say the least.      Honestly, words can’t describe how awesome I found the whole experience. Even if you have no interest in science whatsoever, I highly recommend taking the chance to check out a lab if you can, because to be surrounded by such high-tech equipment and people who are so clearly passionate and invested in what they are doing is really a blessing. Sorry, that was probably way more information than anyone wanted, but honestly that whole experience was probably the coolest thing I’ve ever done.

[news-mashable-yahoopartner-blog]

This weed company grows pot for your specific moods

Green Crack. Cat Piss. Blueberry Lambsbread. Alaskan Thunder Fuck.

Sure, names of cannabis strain can be fun, but they're also ridiculous, confusing, and don't usually offer much insight on their effects. 

Breaking away from ridiculous strain names, cannabis growers Canndescent created its own classification system by grouping strains into five different categories: Calm, Cruise, Create, Connect, and Charge. 

SEE ALSO: The 10 most popular munchies ordered on 420

The goal? Help the consumer understand how this weed will effect them, and give them the ability to pick out different strains on their own for different situations.

The classification system is pretty simple. Each effect has its own number group. So, Calm uses numbers 100-199, Cruise strains use 200-299, and so on. Each time Canndescent releases a strain, it gets classified into an effect, and then it gets assigned a number. 

While you may be able to find a strain that fits your current need by discussing your options with a budtender, not all budtenders know what they're talking about. Plus, new weed strains seem to be coming out every day so the classification system is actually a welcomed organizing tool to fix the current mess of weird names.

You need some weed for running errands? It's Cruise No. 201. The description says it, "Lightens the mind and body into a euphoric, stress-free state, perfect for errands or exploring a city.” Maybe you're going to a party and you want to get a little stoned before you go, but don't want to be knocked on the couch all night. Connect No. 402 "blends a gentle euphoria with body relaxation pairing well with dinner parties and small gatherings."

You get the point. 

Image: Canndescent

Fortunately, Canndescent isn't just slapping names and numbers on weed strains and telling its consumers how they think they'll react when they consume it. The brand’s using cannabinoid profiles of strains, terpenes, (which gives marijuana it’s scent and taste) and a little bit of weed knowledge, to curate a specific effect. 

"Using liquid and gas chromatograph equipment, Canndescent measures the terpene and cannabinoid profile of each of its strains," Canndescent CEO Adrian Sedlin wrote in an email, referring to a device that breaks up a substance into individual compounds. "Coupling this terpene and cannabinoid analysis, consumer feedback, and a detailed understanding of how different terpenes and cannabinoids impact the mind and body, we can accurately classify each strain into one of our effects—Calm, Cruise, Create, Connect, and Charge—and develop the detailed notes we use to describe how a strain makes a consumer feel.  

Image: cannadescent

While the research does offer a good guess as to how most people will react to a given strain, it will never be a sure thing. Everyone reacts to cannabis differently, so the classification system should be used more of a guide than anything else. 

But, Canndescent is trying to understand more. Because the DEA classifies cannabis as a schedule 1 drug, it's nearly impossible to conduct clinical trials on pot. Canndescent hired an in house PhD in neuroscience to test and measure how specific strains effect people. Additionally, Canndescent is working on an app so that consumers can log their experiences with certain strains.  

WATCH: Colorado's Farm-to-Table Marijuana

[kimpexflowfan-blog]

Facts About Natural gas meter Revealed

natural gas meter Parameters with the gas meters accord with the requirements of <GB/T6968-2011 diagram fuel meter>. Product or service framework G serial fuel meters are die-casted with aluminum and also have diaphragm composition with rotating valve. The built-in calibration program coordinates the motion with the valve in relation to your the best possible gasoline movement. The superb linearity from the error curve is confirmed even at lower movement charges. Generally Enabled Important cookies are Completely essential for the website to function thoroughly. This group only incorporates cookies that makes certain standard functionalities and safety features of the web site. These cookies usually do not shop any own information. Non-essential Non-required Otherwise, a look in the front panel will usually reveal the truth. A burner generates warmth in a gas warmth exchanger. Over the front of your heater, there is usually slightly window. Thermal Mass movement meters evaluate the mass flow dependant on warmth transfer from a heated aspect (flare gasoline software Using the Sage Paramount). Mass circulation meters ascertain mass movement passing in the meter. Two kinds deserve point out in this article: METTLER TOLEDO oxygen analyzers are exceptional in that they don't have to have sampling or conditioning systems (SCS) so they can give a fast and exact measurement with minimal upkeep. Even though gas leaks are less common than house fires, they can result in a issue as dangerous as an explosion. Thanks Bob. Good post and in addition many thanks for offering the links. Chemtrols is the organization furnishing very similar products and solutions in India. Mass circulation meter is among the solutions it provides. Thermal is a lot more preferred below. Plant security, products quality, higher productivity: that’s what’s most important to you personally. Which’s why our approach to planning analyzers and sensors relies all around a simple obstacle – how can the design, managing, and routine maintenance of our solutions enable you to access your goals? Study much more Gasoline Analyzers The gas analyzer or chromatograph is greatly Utilized in the natural gasoline industry for many apps. The RF1 is often a favourable displacement diaphragm gasoline meter with a stand-alone twin chamber measuring unit. Natural-gas futures dropped by over 16% on Tuesday to log their least expensive settlement in five weeks, as being a delay in entire repairs into a destroyed U.S. liquified natural gas terminal is expected to produce bigger inventories of your commodity in U.S. storage. These products from international suppliers are of excellent quality, for the people which has a want for superior returns for investors. Locate the diverse catalogs on Alibaba.com and secure essentially the most trustworthy items. Because of its polluting results, hydrogen chloride (HCl) stages in industrial exhausts are controlled in several countries. To ensure ranges are within expected restrictions, HCl checking devices is mounted on stacks and scrubbers where by the gas is current. Study far more G1.6 Gas Meter

[variangcautosampler88-blog]

Informationvine.Com

Hamilton gc autosampler syringes.. Replacement syringes for the most well-liked gas chromatography autosamplers...... Bruker varian chrompack gc syringes. Varian warrants such software merchandise, if used with andproperly installed on varian hardware or other hardware as specified by varian to perform as described in the accompanying operator'smanual and to be substantially free of those defects which cause failure to execute respective programming directions; nonetheless, variandoes not warrant uninterrupted or error-free operation.

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Appropriate with more than 50 present gcs , the hta autosampler differ affords a one-off purchase you would switch to any gc gear you purchase down the road. The autosampler is a fully automated system in a position to coping with as much as 100 samples. This pre-owned varian archon purge and trap water autosampler is calibrated to satisfy oem standards.

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[yewtongue8-blog]

Patent Pending: the Searzall

by Paul Adams

[UPDATE: Now on Kickstarter!]

Finishing a dish by convecting the hell out of it with a blowtorch is so primally satisfying — thousands of degrees, high-velocity open flame, instant gratification as the food transforms in seconds before your eyes. Raw power!

But, apart from the thrill, a torch is kind of limited in what it’s actually good for. All that power makes it hard to get any but the most quick, unsubtle effects. Not to mention the issue of “torch taste,” the sort of not-quite-right aroma that can cling to torch-cooked meat. The interesting story of torch taste will be addressed in just a minute.

A little while back, Dave had the idea to hold a chinois over his torch and fire the flame through the metal mesh, to tame it down a bit and limit the torchiness.

Just a weird one-off, right? It turns out that it was a really good idea. Presenting: the best new way to finish meat.

The best new way to finish meat.

Brazed Meat

For a few weeks I’ve been testing out the new Dave solution. He and lab associate Piper have welded together a conical rig that mounts snugly on the end of a torch and shapes the flame into something more gentle and more useful. The interior of the metal cone — lined with nichrome tougher-than-nichrome alloy mesh and insulation — provides a little pre-zone where the flame can reflect and spread out a bit. At the end of the cone, the flame passes through a double thickness of mesh. It emerges as a — I can’t say “gentle,” because I have blisters that say otherwise, but gentler — flame, that doesn’t gust forth at high speed and scatter your brulee sugar all over the counter. The output is a superheated area, a couple-inch-diameter breath of heat rather than a focused burst of flame. The mesh glows and radiates heat, which is something a torch never does.

The device makes short work of a chicken skin, a French onion soup, a steak. If the steak is thin, you don’t even need to precook it — torch it directly from raw to medium rare.

I didn’t even quite realize how unhelpful an unadorned blowtorch was until I tried using it for all the things I was doing with Dave’s gizmo. Crisping a loose piece of chicken skin with a classic torch, it shrivels up — you can’t get the center golden and crunchy before the edges char black. I got the same uneven result on fish skin and grilled cheese: black blotches on raw surfaces.

Slip the attachment (which doesn’t have a proper name yet, annoyingly UPDATE: it is the Searzall!) onto the end of a torch and it becomes a tool that’s less finicky and more useful. It’s gentle enough to bake dough like a handheld tandoor, but strong enough to do a steak in a minute or to give a beautiful golden crust to a plate full of raw scallops.

I started pointing it at other unsuspecting items in my kitchen. Trying to peel hard-cooked eggs? Waft the cone over the eggs and the shell becomes brittle and unfrustrating. I used it to give an even char to oak chips, for flavoring young whiskey, and even to soften up some buttercream from a safe distance.

The kitchen was smelling really good by this point.

It also does away with torch taste. In side-by-side tests, chicken skin, one of the most torch-taste-prone surfaces in my experience, came out perfectly clean-tasting again and again with the mesh in place. Without the mesh, I perceived varying hints of nastiness, regardless of variation in fuel choice and searing style.

What Is Torch Taste?

The theory about torch taste has always been: Sometimes a blowtorch doesn’t combust all the fuel it’s blowing out, so traces of propane wind up on the food and impart a nasty flavor. Propane and butane and natural gas are all impregnated with sulfury odorants such as ethyl mercaptan, as a safety measure so you can smell a gas leak. Those odorants are another possible culprit for the taste.

Modernist Cuisine makes the claim that butane and propane torches are more liable to cause torch taste, “because the low-power flame can’t burn off the gas fast enough,” and recommends using MAPP gas or even oxyacetylene. I picked up a cylinder of MAPP gas on this advice when the giant book first came out, and at first I thought I was noticing an improvement, but then my dishes, especially ones with low surface moisture to start with, like fatty meats or plain toast, began tasting torchy again.

(MAPP is a trade name for a now-discontinued fuel gas that was basically a mixture of methylacetylene and propadiene, which burned at 2926°C in air. The MAPP-compatible torch you bought can now take cylinders of a product called MAP/Pro, which according to the internet is largely propylene and burns at 2054°C, compared to propane’s retro 1980°C. According to the cylinder’s label though MAP/Pro offers “3x faster heat transfer than propane.” Coincidentally, the price of a canister of MAP/Pro is just about 3x that of a canister of propane.)

Arielle Johnson, friend of this blog, has a gas chromatograph. (She’d be our friend regardless, I’m sure.) She ran some preliminary comparisons of beef cooked a) with a torch and attachment b) with a torch with no attachment and c) in a pan. Take a look.

Clockwise from top: cooked in a pan, cooked with a torch, cooked with the torch attachment.

The results want a post of their own, but what’s on the bare-torch-cooked meat is compounds — like phenol and methoxyphenol oxime — that may be more the result of too-high heat than anything coming out of the fuel canister.

Also interestingly, the meat cooked with the Improved Torch had big spikes in acetoin and hexenal, both of which are associated with pleasant, desirable flavors.

Coming soon: your opportunity to buy a torch gizmo!

UPDATE: This is gonna happen. There will be a Kickstarter. Before the end of November.

Source: http://www.cookingissues.com/2013/03/17/patent-pending/

[nrip]

Scientists Who Selfie: Building Public Trust Through Social Media

There are many ways to communicate science, but few as expedient and direct as social media. But while Twitter and Instagram have given scientists unprecedented, unfiltered reach to new audiences, there has been a desire to understand how scientists who use those platforms are perceived by those audiences. A recent paper published in PLOS ONE details results from the Scientists of Instagramproject which highlights how real-life scientists share their work and lives via Instagram and how they are perceived by survey respondents.

  The paper, led by Dr. Paige Jarreau, shows that survey respondents (1,620 in total) found scientists posting selfies (or self-portraits, if you didn’t know) were perceived as warmer and more trustworthy, yet no less competent, than scientists posting photos of only their work. The indication here is clear. People respond to the human element. The story behind the science.

  From Scientists of Instagram. At left, your standard old beaker set up (described in caption) that serves as a control image; at right, selfie that shows the scientist describing the same piece of equipment. Respondents overwhelmingly responded to the selfie.

  Stereotypes and Reality

  A pervasive impression of scientists is that we are nerdy, aloof, and generally socially inept. This stereotype is so ingrained it even forms the central focus of TV shows like the Big Bang Theory where male scientists are obsessive, fumbling geeks, while female scientists are either incredibly nerdy, or hypersexualized. This tired trope has become a lens through which the general public has come to view scientists. Counter to this, scientists may also be perceived as competent, but cold. You can pick your own movie scientist for this one, there are . . .  a few. However, platforms such as Twitter and Instagram (the focus of this study) allow scientists to individuate* themselves and connect to their audience.  While a picture of some beakers on a lab bench perpetuates the detached narrative of science we have come to embrace, a person working at that bench carries with it that human connection. People begin to see the folks who do scientist, folks who look just like all the other folks. They just sometimes wear lab coats, or fish turtles from ponds, or stare at computer screens and pound on their desk because their code isn’t working. You know, you and me .

  Further, this work also highlights the impact of broad representation in science. Tespondents who viewed images of female scientists perceived science as less exclusively male. Female scientist selfies resulted in more positive evaluations of competence and instead of perceptions that scientists are vain or self-absorbed. Science is not exclusively stale, pale males and social media lets scientists show who they are and create their own narratives.

  “Social media platforms could represent a turning of the tide for perceptions of scientists if leveraged by diverse individuals to interact with broad audiences in ways that communicate warmth and build mutual trust.” – Jarreau et al. 2019

  Instagram and Beyond

There are many lessons here for science communication broadly as these ideas are translatable directly to classrooms and presentations. Seeing people DO science builds our investment in science. Science is more than a body of work, it is the people who do that work. This paper clearly highlights that fact—people relate to people. That is what moves them. I think scientists ought to take this information and run with it. Go beyond social media and incorporate more pictures and images of folks doing science into lessons, presentations, and depictions of science. I don’t need to see your gas chromatograph, I want to see you working with it and telling me what’s going on.

  What can you do?

As Jarreau and her authors point out, there are many things scientists can do to improve how they communicate via social media.

  1) Create personal content – Include detailed captions to the selfies and images that are posted. What is that thing you are standing in front of? What does it do? How are you using it? What are the implications?

  2) Share real life – The authors particularly highlight the importance of representation of minority groups and how simply the presence of folks from minority groups alters the perceptions of science and scientists. Children who don’t fit the traditional mold of what they are told a scientist “is” can change that perception when they see folks who look like them. Representation matters. Period.

  3) Engage – Answer questions from folks who post responses to what you post. Build that conversation and relate.

  Maybe in the end social media is not the thing for you, and that’s okay. But there is growing evidence beyond this paper that shows that social media is a powerful piece of a scientist’s toolkit to communicate, collaborate, and positively impact the perceptions of their work and that of their field.

    *This is such a good word and total props to Jarreau et al. for using it and bringing it to my attention in their paper.

[quintinefowler-blog]

Davana (Artemisia Pallens) Essential Oil Profile, Benefits, Properties

The main index for our Single Essential Oil Profiles is located here.

If you see a term you don't understand, be sure to check our Alternative Health Glossary of Medical Terms!

Color: Burnt Orange

Oil Consistency: Thick

Perfumery Note: Base

Initial Aroma Strength: Medium

Scent: Rich, sweet, fruity, slightly woody with a hint of vanilla and a subtle camphorous note.

Action: Antidepressant, aromatic, antiseptic, antiviral, antimicrobial, antifungal, antispasmodic, decongestant, disinfectant, emmenagogue, anthelmintic, stomachic, hypotensive, antioxidant, expectorant, relaxant, vulnerary, aphrodisiac, nervine, mucolytic

Benefits, Indications: Used for wound healing (pain relieving), gout, rough and dry skin, skin infections, coughs (especially with thick mucus), inducing menstruation, menopause, regulating and balancing menstruation, ovarian and uterine cysts. Also used to ease anxiety, nervousness.

Chemical Constituents: davanone, a major sesquiterpene ketone and other essential components such as linalool, dehydro-a-linalool, terpinen-4 oil, isodavanone, nordavanone, davanafurans, methyl cinnamate, ethyl cinnamate, bicyclogermacrene, davana ether, 2-hydroxyisodavanone, and farnesol

Companion Oils: Amyris, bergamot, black pepper, cardamom, chamomile, jasmine, mandarin, neroli, orange, patchouli, rose, sandalwood, spikenard, tangerine, tuberose, vanilla, ylang ylang

Precautions: High ketone content. Avoid use with small children, elders, epileptics, pregnant and/or nursing women.

Science and Research

Intraspecific variation in essential oil composition of the medicinal plant Lippia integrifolia (Verbenaceae). Evidence for five chemotypes.

Constituents of Artemisia indica Willd. from Uttarakhand Himalaya: A source of davanone.

Gas chromatographic analysis of essential oils with preliminary partition of components.

Influence of plant growth stage on the essential oil content and composition in Davana (Artemisia pallens wall.).

Anthelmintic activity of the essential oil of artemisia pallens wall.

Get your herbs and oils at a place you can trust!

Starwest Botanicals not only utilizes their own milling and packaging operations for all organic herbs and bulk spices, they also conduct quality control testing on each and every product in their own laboratory.

With attention like that, you can be sure you will receive only the highest-quality organic herbs, dried herbs, organic spices, therapeutic essential oils and all natural products when you place an order with Starwest Botanicals.

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[filtration-products]

The Purge and Trap Autosampler: Tips for Selecting the Right Model

A purge and trap autosampler helps scientists analyze trace level compounds in various substances. Substances that a purge and trap inlet preparations for chromatographic analysis include: paint and other coatings, cosmetics, food, soil, and water. The purging and trapping process is commonly performed on samples that are tested for Volatile Organic Compounds (VOCs), which are carbon-based substances that vaporize at room temperature, and are known to cause health problems. When a sample is prepared for analysis, it undergoes the following process:

The autosampler places the sample in the column inlet

Carrier gas bubbles through the sample to free the compounds

The compounds are trapped on the absorbent material of the column

The column heats until the compounds vaporize

The compounds travel via carrier gas into the gas chromotograph

All autosamplers that are designed for purging and trapping perform this process, but different models offer different levels of performance. Below are tips for choosing a purge and trap autosampler for the analysis of VOCs and other trace level compounds:

Consider Buying Used Equipment

Purchasing used lab equipment is a smart decision. Finally costing less than new equipment, used lab equipment often performs like new. This is because most lab equipment is used non-strenuously and is well maintained. Because some organizations frequently replace lab equipment to maintain funding, it is possible to find pre-owned equipment that is essentially new.

Evaluate Mechanical Robustness

The traditional weak spot of a purge and trap autosampler is the arm that transports samples to the concentrator. Ideally, the arm should be reinforced to prevent loose operation and sagging. Another key mechanical component is the injection mechanism. Injectors that rely on syringes typically experience more errors than other injectors. Therefore, choosing a model that does not use syringes is recommended.

Evaluate Carryover Prevention

Because purge and trap autosamplers process samples that contain trace level compounds, finding an autosampler that has an excellent system for carryover prevention is important. Keeping the water in the pathway hot by using a hot water rinse in a fixed loop, and flushing the soil needle and transfer line with P & T Bake gas are effective strategies for preventing carryover.

Evaluate Analytical Performance

A high-performance autosampler typically features a programmable, electronic delivery of 1ul-100ul without the need for priming. These characteristics define an IS / Surr delivery system that is acceptable for professional laboratories.

Choose Equipment for Soil and Water Samples

Because Gas Chromatography (GC) is used to analyze solid and liquid samples, choosing an autosampler with a tray that holds both solid and liquid samples is helpful. Choosing equipment that holds both samples also helps laboratories economize on space and money by having one autosampler for both types of samples instead of splitting them between two units.

Conclusion

A purge and trap autosampler contains a purge and trap inlet that prepares samples for chromatographic analysis. The equipment is used to isolate numerous types of trace level compounds, but is most commonly used to isolate VOCs. For assistance selecting an autosampler, consult with a seller of new and used laboratory equipment today.

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What Are Measure Methods of Bad Breath?

Bad breath can be a big discomfort and an embarrassment in social situations and important point is measure methods of bad breath for you. A person suffering from bad breath can be quite unaware of his situation as our noses are programmed to ignore and filter out our own bad breath.

There our many unscientific ways to determine if we have bad breath and measure the intensity of offensive odor. These are not specific evaluations of bad breath and can be done by the person to check if they have bad breath to some degree.

Are There Any Measure Methods of Bad Breath?

What Are Measure Methods of Bad Breath?

You might suspect you have bad breath if you notice people constantly backing away when you talk to them or offering you gum and mints. You might also be suffering from dry mouth conditions, be a smoker or have gum disease.

The easiest way to determine if you have bad breath is to ask somebody close to you to give you an honest opinion. A dental hygienist could also help to a certain extent in giving you an opinion.

Other indirect ways of smelling your own breath are to lick your wrist and smell it after letting it dry for a few seconds. In the event that your breath does not smell too offensive at this point. You can proceed to the next level of testing which is to test the odor on the back region of the tongue where most bad breath originates. To test the posterior region of the tongue, take an inverted spoon and scrape the back region of your tongue. You can expect some gagging when you do this. You are likely to scrape off a lot of whitish material if you are prone to bad breath. Now take a whiff of this smell which will be a more accurate indicator of the way your breath smells to others.

Bad Breath and Halitosis

Some Other Measure Methods of Bad Breath

There are more scientific ways and devices to measure bad breath. These methods are often used by breath clinics, dentists and research professionals. Some dental researchers use a very basic method of testing which does not involve the costs of devices called organoleptic testing which is just a method of using their noses to determine the intensity of bad breath. This method is not very objective and is broadly evaluated by grading into weak, average or strong smells.

Helimeter is the measure method of bad breath

The other one of measure methods of bad breath using a breath measurement device called Halimeter. This is a much more accurate way of quantifying degrees of bad breath. This device measures the sulphide gas levels or VSC’s (Volatile Sulfur Compounds) which are the odor causing agents in a person’s breath. Though much more accurate than the organoleptic method of testing, certain foods and mouthwashes containing alcohol can interfere with the accuracy of Halimeter readings.

Gas Chromatography One of Measure Method of Bad Breath

Gas chromatography is a more advanced method of testing compared to a Halimeter used by researchers in many fields to make accurate measurements of compounds found in the samples in their research studies. A gas chromatograph is more complicated than a Halimeter and needs specialized training and handling. It is not portable like the Halimeter and requires a significant amount of time to make measurements.

What Are Measure Methods of Bad Breath?