#plastic pipette

[yueyimold]

256cav dispolab tips mold

China medical mold maker, offer filter micropipette tips mold, disposable micro pipette tips mold, dispolab tips mold, plastic micropipettes mold, pipet tips mold

[miserye]

people would lose their minds if they saw how much plastic waste is involved with research

[xinfudapackaging]

Oral dosing syringe: Innovative solutions to improve medication accuracy and convenience

The oral dosing syringe is a tool specially designed for precise medication administration. It consists of a tube sleeve, a push rod and a medication inner plug. It can effectively replace traditional measuring cups and medication spoons, providing patients with a more accurate way to take medication. The device is suitable for various oral liquid preparations, such as liquid medicines,…

[hylianengineer]

Sometimes when my lab orders chemicals they come in these ridiculous cubes. Nearly a foot on each side, made of flexible plastic, with the cap in the middle of one side. I'm not sure what their capacity is but I'd guess at least five liters or around a gallon.

Anyways, back when we still had a lab manager, she accidentally ordered sulfuric acid in a cube. We don't use a lot of sulfuric acid, usually about 50ml at a time. The cube is still here. The cube is over three-quarters full. It has been a full year since we had a lab manager. The cube has outlasted her.

The other reason the cube is still here is because you can't just pick it up and pour out of it like you would a normal chemical bottle. It's too heavy and unwieldy. You have to pipette out of it. It's incredibly obnoxious and really only feasible if you have a 1-10ml micropipette. Or maybe larger, I guess, but I've never seen a micropipette bigger than that. Anyways, the 1-10ml one is in high demand and sometimes people borrow it and forget to return it and then I have to use the normal sulfuric acid instead of The Cube. The cube is not going anywhere. The cube will outlast us all.

I still think it's a dumb way to package chemicals, though.

[nardo-headcanons]

Writing Scientist Characters

this post is mainly an excuse to post a certain list of lab supplies I've made for a friend and infodump about lab work. but feel free to use this as a little resource when writing characters who are scientists and/or lab nerds. who knows, maybe it'll be of use.

General thoughts

Many people think it's a stereotype that scientist or nerd characters talk using complex technical jargon. While that is true to an extent, there actually is some kind of lab jargon. It varies across different labs and fields, but one thing they have in common is that it seeks to simplify, not the other way around.

gelelectrophoresis becomes elpho

microbiology becomes mibi

deioninized water becomes aqua dist

biochemistry becomes BC

sodium hydroxide becomes NaOH

They will probably not call a glass of water "silicon dioxide and h2o".

...and more. feel free to get creative. If you're writing in any other language than English, you can throw in one or two anglicisms as well. Also, most scientists will never gatekeep their work, and in an opposite fashion, will not shut up about it unless you make them. And no, most chemists do not know the entire periodic table by heart, only the most relevant elements. (main groups and a few commonly used metals of the subgroups) When it comes to characters doing the lab work, keep in mind that there are a lot more people involved than the scientist themself. Most scientists are more occupied with paperwork and data analysis, it is the laboratory technicians and assistants that do most of the practical work. They often have more lab experience than the scientists themselves.

Things you can have your lab nerd character do instead of making random chemicals explode

writing a lab report (and losing their mind over excel)

degreasing the glass bevel stoppers

removing the permanent marker from beakers (labeling is important)

complaining about the lack of funding of [their field] research

cleaning glassware

preparing specimen for examination

googling the most basic equations for their report

checking if the glassware and utensil collections are complete

steal single use plastic pipettes from their lab

pirating expensive textbooks

A list of laboratory supplies and utensils you can have them work with

Laboratory general (chem + bio)

Erlenmayer flasks, beakers, precision scales (3 digits), glass rods, metal spoons/spatulas, screw on glass flasks (autoclave compatible) test tubes, stopcock grease, dispensers with sanitizer and hand cream, gas burners, heating plates, eppendorf pipettes, pipette tips, Peleus pipetting aids, squirting bottles, liquid and powder funnels, incubator/drying chamber, round watch glasses, magnet stirring plates.

Microbiology Autoclave, petri dishes, agar plates, innoculation loops (reusable and metal), clean bench, microscope slides, microscope, drigalski-spatula, test tubes with clamping lids

Histology

Paraffin bath, water bath, scalpels, scissors, razor blades, microtomes (rotating microtome, slide microtome and freezing microtome), histocinette, tweezers (various kinds), ocular

Biochemistry

Sequencing robots, eppendorf tubes, gelelectrophoresis chambers, centrifuge

Analytical Chemistry

Photometer, kuvettes, burettes, mass spectro meters, UV bank (for chromatogrophies), pyknometers, melting point meter, porcelain mortars, pH paper, analytical scales (4 or more digits)

Prep Chemistry

Tripod/standing material, miniature lifting platforms, spiral condenser, colon condenser, round bottom flask (three necked and y- necked), filtration material, Separating funnel

Electrical engineering

Electric generators, Soldering iron, Clamp connectors, plugin connectors, ohm’s resistors, plug in lamps, condensers, transistors, PCBs, amperemeters, voltmeters, multimeters

Mechanics

Tripod/standing material, metal hooks, metal rods, mechanical stop watches, marbles, metal springs, Newton meters, laser motion detectors

Optics

Prisma (various kinds), various glass lenses (concave, convex, biconcave, biconvex), laser pointers, optical bench, mechanical iris diaphragm, looking glasses, monochrome lamps, lamp filters

Most used chemicals

Deionized water, ethanol, NaOH, HCl, H3PO4, NaCl (+ physiological NaCl solution 0.9)

Useful websites for writing science stuff

DNA sequence generator (simple): http://www.faculty.ucr.edu/~mmaduro/random.htm

DNA, RNA and protein sequence generator: https://molbiotools.com/randomsequencegenerator.php Annealing temperature calculator: https://tmcalculator.neb.com/#!/main

Medicine name generator: https://www.fantasynamegenerators.com/medicine-names.php Anything chemistry related: https://www.wolframalpha.com/input?i=chemistry

Commonly used software:

MS Excel

Yenka

CASSY Lab

LabView

SpectraLab

LIMS

LaTex

Slack

Scientist friends, feel free to add onto this.

Have fun writing!

[randomquadballpun]

DAY 5 (attempt no 2)

"Bacteria please, Watson!"

Sherlock and Rosie were back in laboratory mode, goggles, gloves and coats donned, while John sat at his desk with a cup of tea and scrolled through the latest comments on his blog.

Over at the kitchen table, Sherlock held open one of the growth medium-filled Petri dishes and offered it to Rosie. With a tense expression that spoke of utmost concentration, Rosie dispensed a few droplets of bacteria solution in the middle of the plate with a pipette that looked like Sherlock had lifted it straight from one of the Barts laboratories. Knowing Sherlock that possibility was not even very unlikely.

Sherlock placed the dish down gently in front of himself on the table.

"Glass pipet please, Watson!"

He extended his empty hand and Rosie placed a disposable glass pipet in there, just as demanded.

With practised movements, Sherlock held the glass tube by one end and stuck the thinner side into the hottest part of the flame until it glowed red hot and began to droop under its own weight. Once it was bent at a 90° angle he repeated the process with the very tip of the thin glass before holding it away from the flame with a flourish until it stopped glowing.

"Next you can cool it down to bacteria-safe temperatures by pressing it gently against the growth medium, but be careful to avoid the actual bacteria until you are sure it is all cooled down!", he narrated as he lowered the bend pipet tip to the petri dish were it indeed cooled down with a quiet sizzle. "And then you can spread the E.coli with gentle, circular movements, just don't press down too hard or you are going to slice up the agar." He demonstrated the procedure with his customary level of grace and finished by closing up the plate, turning it upside down and handing it off to Rosie.

"Into the incubator please, Watson." She carried it off reverently as if she had been handed a great treasure and not just a small plastic plate containing some glorified gut bacteria.

While Sherlock started cleaning up the workspace, his eyes wandered over to John for the first time in a while. His light gaze immediately spotted the cup in his hands.

"Tea, John?"

John crossed his arms in mock protest. "What? I don't get watsoned around?"

Sherlock stared at him in genuine bafflement while peeling off his gloves and chucking them into the bin underneath the sink. "No, why? Watson is Watson, you are my John!" He gave Rosie an exaggerated wink overtop Johns head before returning to the topic at hand. "Tea please, John?"

At least he had the decency to make it sound more like a request than a demand. But John had come prepared. He picked up one of the two extra cups that he had brewed before and pressed it into the other mans waiting hand as soon as he was done cleaning up at the sink.

"Here you go, my Holmes!"

--------------------

Troubleshooting, part 4/?

-> I have started uploading the first finished chapter on ao3 as well (so attempt no 1), so if you prefer to read it over there, just click here!

-> The next snippet can be found here!

-> Start reading right at DAY 0 or read the previous part here.

[wikipedia-main]

i think there's the idea that fishtanks are really expensive and hard to take care of but there are lots of ways to set up tanks that aren't like that- even if you often kill things or have difficulty remembering to care for them ! and im bored right now so im just gonna, write about how you can do that

what you'd need:

a glass or acrylic tank

dirt & sand

rocks, driftwood, & other decor (optional)

heater, filter, light

plants

testing equipment

you can get a tank for really cheap off facebook marketplace or craigslist or ebay! and you can use just about any dirt, as long as it doesn't have pesticides/herbicides (unfertilized organic garden soil is great). sand is easy to find at pet stores, but it's expensive--you can get silicate play sand or pool filter sand for cheaper (just make sure it doesn't have calcium in it). you can test rocks you find on the ground for tank safety with vinegar- if it bubbles, then it'll leach calcium (undesirable, messes with water parameters) and if it doesn't, it's fine to use ! (if you're worried about Things on them, you can boil them for a few minutes.)

heaters, filters, and lights tend to be cheap if you just go for rudimentary adjustable ones. you can get shop lights and an outlet timer at any department store. plus if you know an aquarium hobbyist, chances are they'll have extras

same thing with plants, too ! if there's an aquarium hobby group near you then that's a great way to get free stuff. tanks are like little gardens so there's usually lots of plant clippings that would otherwise get thrown out. plus, free creatures that hitchhike on them !!!

another super cool way to get rocks, sand, dirt, wood, leaves, plants etc is to just ! go to a stream or lake ! preferably one that's distanced from roads and you know isn't super polluted. i picked up some water cress off the side of a hiking trail and now i have a really cute sprawling thing growing that i got FOR FREE!!!!!

testing equipment is gonna be expensive, but it's often a one-time purchase. liquid tests are more time consuming than paper strips, but more accurate. you might also need dechlorinator (more-so if your tap is treated with chloramine; chlorine evaporates but chloramine doesn't) (you can find that out by looking up your local water treatment report). other small items that r helpful: plastic tubes/hoses for siphoning water in/out, pipettes, tweezers, tiny scissors, buckets, and (depending on ur tank) liquid fertilizer, root tabs, and mineral mixes.

what's cool about this: setting up a tank with a layer of dirt covered by sand (you can do 1 inch dirt + 2 inches sand or 1.5 inches dirt + 1 inch sand) and then adding a bunch of plants will make a tank that needs less maintenance !! if you get the water parameters stable and have a good amount of plants and tiny creatures (worms crustaceans etc), then lots of fish (not all though) will be healthy and can mind their own better !! it's a balance ofc but once you strike it suddenly you can go a month without looking at it and nothing changes. life is beautiful

anyway thats!!! it. i love you <3

[theresa-of-liechtenstein]

ejecting pipette tips after two years of just pulling them off by hand is one of the most satisfying things ever. like i press a button and i can launch this little piece of plastic into a bucket? and it makes a fun noise when it hits the bottom of the bucket? oh my god, life changing

[yueyimold]

256cav disposable micro pipette tips mold

China quality medical mold maker, offer filter tips mold, white tips mold, micro tips mold, plastic micro pipetters mold, disposable lab tips mold.

[chilope]

my coworker keeps using the plastic pipette tips for chloroform 😰

[sigmalied]

Today I saved a Mediterranean house gecko from a glue trap at work, using vegetable oil. I used a plastic laboratory pipette to add the oil dropwise around its body and began gently nudging it free, working from tail to head.

After it was freed I patted it extremely lightly with a paper towel to remove as much oil as possible, then used a fresh plastic pipette to give it a drink of water. I was so thrilled to see its little pink tongue peeking out to drink! 🥺 It had some raw-looking skin damage from struggling in the glue, and was very weak and listless, so I was concerned about its chances of survival. Outside the trap, at least, that chance is no longer zero.

I put it in a little sample cup, took it home with me, and brought it out to my backyard to warm up in the last heat of the day. After giving it another drink of water it seemed as though its energy had returned, and it was eager to leave. So I let it go into the clover of my yard and said godspeed little guy. 🫡

[theatriscribe]

Lautity week day 2

Prompt 2 of @dawningfairytale 's lautity week! This one was The Guy Who Didn't Like Musicals.

(Grace isn’t herself anymore. Steph wants to take care of her despite this. 717 words.)

Content notes: Canon-typical mind control.

“Steph,” Pete said, as she intently watched Grace spin around and around and around, her arms spread wide.

If it were different circumstances, Steph would almost think she looked cute. Innocent, even.

“Steph,” Pete repeated.

She really hoped Grace didn’t get sick and start vomiting from the spinning. Not only because that would be bad for Grace, but because Steph had painstakingly fed her the last of their orange juice earlier, and she’d hate to waste it.

Pete was looking at her with an expression between disapproval and pity, but she knew he’d carefully prepared the pipette for her as she squeezed the juice in half-ounce increments onto Grace’s tongue.

“She’s not there anymore, Steph,” Pete said quietly.

“She is. She has to be,” Stephanie said as she geared up for going into the room with Grace. As a safety precaution, anyone interacting with Grace had to wear a paper mask, plastic goggles, and latex gloves, and if possible, they had to try to put a mask on Grace too. “She hasn’t tried to infect us.”

“We don’t know how much brain function infected people have. There are parasites that can still move limbs, produce sound. Maybe infected people keep enough cognitive function to lay in wait until they have a better time to strike. We literally don’t know, Stephanie.”

“So Grace saves us and this is how you repay her?” Steph would’ve tried to angrily swipe away the tears beading at the corners of her eyes, but she had already put the goggles on and trying to get them back off with the latex gloves on never worked right. She was just going to have to live with Pete seeing her cry.

“She saved us in that coffee shop,” Pete said. “No one is arguing that. I wanted to save her too, Steph. She offered to leave, we agreed to keep her here. But you can’t really believe that’s Grace.”

“Not your seed,” Grace singsonged. She’d fallen backwards on her bottom and was bobbing her head from side to side.

“She’s in there,” Steph said. “I’m sure of it.”

“Not your perfect teen.”

Pete exhaled slowly through his teeth.

“Look. I know that sounds bad, but if she has enough consciousness to tell us to give up on her, that probably means she’s still alive in there.”

“Or it is,” Pete said. “Steph, we don’t know. And we’re not going to know, not without research we do not have the time or energy to do. And not without risking Grace for it.”

Steph let herself yell in frustration, and Peter flinched.

“I’m sorry, Stephanie,” he said, almost too quietly to be audible. “Look, Steph, the infected won’t hurt her. She’s either one of them, or pretending well enough that they won’t notice her. If we let her go, she won’t get hurt, but we might if we keep staying here.”

Stephanie let Peter take her hand and squeezed his hand back. “Can I brush her hair, at least?”

Peter squeezed her shoulder and stepped aside to let her head towards Grace.

Stephanie took the brush and Grace’s butterfly clips. All of them had fallen out in the past few days, but she’d saved them. Just in case.

 “Steph,” Grace sang as Stephanie approached her.

“I’m gonna put your clips in.” Stephanie held out the clips at eye level with Grace.

Grace looked at them intently for a moment, before moving as if to try and eat the hairclip. Or maybe she was trying to bite Steph and infect her.

“I gotta brush your hair,” Stephanie said, ignoring the pang in her chest.

“We could sing a duet,” Grace said. Stephanie ran the brush through her hair, wincing when it caught knots. Grace didn’t seem to notice.

“I’m sorry,” Steph said.

“Tied up my heart, you tied me down,” Grace said, switching songs entirely as Steph slowly worked the brush through her hair.

Steph hesitated for just a moment before pulling a glove off, running her fingers through Grace’s hair.

“My muse, my source of light,” Grace said, and more a moment, she turned to look directly at Stephanie.

Stephanie brushed her hair back and secured it in place with one of her clips, and for a moment, Grace looked like herself again. “I love you too.”

[unhindercd]

Fish shaped soy sauce packet. Snap lock baggies. Yakult bottle. Taped over thimble. Pipette. Vape cartridge. Eye drops. Soft fast food sauce packet. Lightbulb. The plastic doodad they put on top of exposed metal polls at construction sites. Balloon. Second hand designer bag. Light up child's shoe. Ash tray. Matchbox/hot wheels dump truck. Corner segment of pipe. Packet of dental floss. Empty pack of cigs. Oyster shell. Rat skull. Latex glove.

[iatrophilosophos]

I know someone who injected herself with spinach juice and dish soap using a sharpened plastic pipette as an elementary schooler. She suffered no ill effects from this (albeit she did not, unfortunately, gain photosynthetic powers she didn't already have).

Call me a genocidal maniac but if a fifth grader managed enough effective sterilization to inject a nonspecific foreign substance with non medical equipment and come out perfectly fine, I figure it's really fucking hard to justify people self- and co-educating to produce and use medicine autonomously on western medicines terms, let alone that little, trivial (sarcasm) "people are allowed to do whatever they want to themselves up to and including taking risks and self harming" principle y'all are so fond of until medicine comes up.

Idk I just get a little bit fucking touchy about the implication that people who aren't even willing to research the topics they're discussing think it's acceptable to attempt to intervene in disabled people's self determination and medical care seeking! 🙃

[geneticcatalyst]

Top 5 pieces of lab equipment

Centrifuge. Classic but also essential. Separates your shit with the power of physics aka tell them to get rotated at 5000 rpm, idiots. Comforting hum and sometimes warm air when nicely balanced. Do Not poorly balance your centrifuges around me, I respond to it like nails on a chalkboard that's also abusing a puppy.

Vortexer. Does the opposite of the centrifuge. Literally stimulation go brrrr. Satisfying in a way that's hard to explain if you haven't used one- press test tube on grippy platform, it shakes real good, your shit is now unseparated.

Micropipetter. THE GOOD ONES ie the one pictured below, which is the Gilson Pipetman Classic (tm). I have a powerful bias for these because they're what I had in my very first lab job and the feel of them is just. Better than any of the newer and cheaper ones I've used. If you're pro level you can even main the 8 or 12 channel but Be Careful. I am of course pro level, I LEARNED to pipette loading electrophoresis gels with a multichannel and to this day nothing else has required that level of pipette finesse. You can buy your own single channel Pipetman Classic on Fisher Scientific's website for just $732 ❤

Spectrophotometer/fluorometer. Similar and sometimes combined into one piece of equipment although there are many kinds. Tells you what's in your shit. This is important because, at last in my line of work, the stuff your lab is both paying and being paid big money for all looks like clear water. Because it's very small and suspended in clear water. Is your shit actually in there and how much/what kind is a very important question to know if all your other shit is working. Also in the case of fluorescence generates the data that is what you're actually getting paid for, essentially also answering the question of What's In Your Shit.

Sharpie. Beat out the rest of the competition for its ubiquitousness. You're doing lab work? You need a sharpie. You gotta label a glass beaker with the date your media was made? You gotta label a stack of plastic plates going in the -80 freezer? You gotta write a post it note saying DONT TOUCH TEST IN PROCESS? You gotta draw a diagram of how polymerase chain reaction works on a paper towel for the new kid? You need to write a reminder to yourself to take yesterday's samples out of the incubator at exactly 1:07 on your arm? Sharpie.

[k00288552]

Week 3 | Ceramics Elective

In the first week of the ceramics elective we first created schematic type mark making using black ink on white paper by using any implement available to use as a mark making tool.

I used a feather, sponges, a piece of string, a bamboo sticks, a pipette, a syringe and a collection of plastic and soft materials wrapped tightly together.

We then made 3 viewfinders of different sizes which we used to select sections from our mark making sheets which we translated into white paper to recreate the shape within a square box template.

Working with paper first to help build and visualise your end result was a new process of design that I intend to work more with. The process of turning paper into clay is a useful skill in other areas also.