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Equipment Mastery & Hacks

Advice for Working with Anaerobic Chambers

Working with anaerobic chambers is a unique skill set to have. It is only necessary if you are working with oxygen sensitive compounds. For example, some metallo-proteins require an oxygen free environment to stay in a reduced state, while others are sensitive and even reactive to oxygen. Sometimes working in anaerobic chambers requires a long…

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14 Pipetting Hacks to Become an Instant Expert

After a long day, you finally push back your chair, hang up your lab coat and take a well-deserved stretch. Time to go home! Your hand is aching, your thumb is quivering and your shoulder feels like it just ran a marathon. Another day in the lab, another day spent pipetting. Some say it takes…

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Drift in Measurements with Analytical Balances

Pharmaceutical laboratories and bioscience research institutes make extensive use of analytical balances that are highly sensitive. These analytical balances are greatly affected by their environment and also by the way they are installed and handled. This is why it is important to assess the lab environment to make the required on-site adjustments. The weighing equipment…

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How to Keep Your Centrifuge Alive

According to the Occupational Safety and Health Administration, “the majority of all centrifuge accidents result from user error.” That’s right, it’s us. Many a machine has been destroyed by an unsuspecting scientist just in it for the pellet. The more expensive the machine, the more sensitive and the easier it is to break. Does your…

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How to Choose the Right Pipette Tips for your Experiment

The precision and accuracy of even the best calibrated pipette can be wiped out if you choose the wrong kind of tips. Depending on the experiment you are doing, the wrong kind of tips can also make your pipette a source of contamination, lead to waste of precious samples or reagents—or even cause you physical…

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17 Ways to Stop Pipetting Errors From Ruining Your Experiments

If you work at the bench, accurate pipetting is crucial. Without accurate pipetting, your experiments would not be reproducible, your stock solutions would be inaccurate, and your assays would have such large errors that comparing them would be meaningless. But luckily, there’s no need to worry—your trusty, precision micropipettes take care of that for you.…

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Wrangling Your Liquid Handler

Sometimes working with a liquid handling machine seems a bit like wrangling a wild mustang—I know what I want it to do, but the software doesn’t work that way. That’s particularly true when working with 96-well plates. So, sometimes you have to think “outside the box.” Don’t limit yourself to what the manufacturer intended (but…

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Anaerobic Tents: General Tips for Use in Molecular Biology

Interested in whether your protein uses oxygen to mediate reactions? Wondering if oxygen is keeping your enzyme from its duty? Then what you need as an anaerobic tent! These tips provide some basic knowledge to help you perform experiments using an anaerobic tent. What is an anaerobic tent? Most biologists who work in oxygen-free environments…

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What To Do About Rust in Your Incubator

Ideally, your tissue culture incubator should be polished stainless steel, gleaming and immaculate like a surgical theatre. And I am sure you keep it in order, like new. It’s just sometimes you start in a lab where the incubators already have brown spots – rust. There’s Rust in My Incubator! Usually rust occurs because of…

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Strengths and limitations of your Nanodrop

Quantifying a DNA, RNA or protein sample concentration is now as easy as a click of the pipette, a push of a button and a dab of tissue to clean up. Here’s what you need to know about a few of the strengths and limitations of your Nanodrop – before you set up. Take a…

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Basic Care for Your Liquid Handler

Liquid handlers, such as the Eppendorf 5075 I use to prepare DNA libraries, can be an immense help in the lab. Not only can they provide “lights-out” automation, freeing you to do something else, but they can make your work more reproducible. Here are some ideas to make your liquid handling robot perform at its…

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How to Pick the Right Scale for Your Needs

There are many things that vary from one scale to the next. When picking which scale to buy or use, there are a few things to take into account: the two biggies being the maximum capacity and the readability range (also known as how sensitive the measuring system of the scale is). As both these…

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5 Ways to Wreck Your Centrifuge

Surprise, surprise: That low frequency wobble isn’t your colleague’s dubstep. Before your centrifuge leaps off the bench and into a spirited dance, power down to see what’s the matter before it catastrophically destroys itself, your samples and the entire lab. Here are five unfortunately easy ways to wreck a centrifuge…and how to make sure it…

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You Too Can be a MacGyver in the Lab!

A laboratory is a place where researchers spend the majority of their lives attempting to solve the mysteries of the universe; or at least the fraction dictated in their grants. However, working away at the lab bench day after day can result in tools being scattered about, samples disappearing, and even the occasional malfunction of…

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15 Laboratory Items You Can Buy In Any Store

A variety of lab supplies can be purchased off the shelf in your neighborhood, which can save you time and money* especially when compared to the added cost of shipping, handling, and markup of various items when ordering from lab vendors (*your mileage will vary). How to get reimbursed The method for procuring supplies on…

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My favorite laboratory Freebie

I love free stuff. Maybe it’s because I am from the former Soviet Union, where there wasn’t enough stuff around, let alone free. Or maybe a little happiness about getting something for nothing is universal, but I am still amazed that companies are giving away things – whether they are useful, not so useful and…

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10 Easy ways to wreck your autoclave

You know how to wreck your microscope (yes, we’ve done that ourselves), and how to repurpose them when they’re old and obsolete. We’re busy brainstorming ways to destroy our centrifuge without annihilating the laboratory, so we’ll get back to you on that… Here’s our least favorite techniques to ruin that larger-than-life-sized autoclave. (Please don’t try…

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10 Top Everyday Items Useful in the Lab

Every research lab is full of equipment specially designed for specific technical and experimental requirements, unfortunately this means said equipment is often expensive. Thankfully there are simple and cheap everyday items which can help you with your experiments and generally make life a lot easier. 1)  Perforated metal ladle – to fish out samples from…

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