Equipment Mastery & Hacks

10 Tips for Pipetting Perfection

Several years ago as a freshman in a research lab, the very first project I received was to pipette incremental micro-volumes of H2O onto a piece of parafilm. Boring! Weighing the liquid on parafilm and comparing the weight between 10 replicates for each micro-volume continued for a week before I touched anything else in that…

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Pimp your Microcentrifuge

Microcentrifuges are pretty much the epitome of efficiency, but I have a couple of suggestions that may make using this instrument even easier. Divide by Three Not only is the number of tubes a microcentrifuge can hold divisible by two, but almost always by three as well. How does this help you? If you have…

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Respect the Ultra

If a random sampling of my hallway is any indication, then half of you don’t think too much of using a ultracentrifuge, while the other half of you are scared to death of it. I think the best approach is right in between these two perspectives: have a healthy respect for the ultra. Here are…

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eBay – The other source of lab equipment

While almost all of you are probably familiar with the power of eBay to bring you everything from concert tickets to electronics to your very own Batmobile, you may not have realized that the world’s largest garage sale also has quite a collection of laboratory equipment. I’ve been turning to this source for equipment for…

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RPM Does Not Equal RCF

RPM and RCF are two units that can be used to describe the speed of a centrifuge. Although they may look similar, they are oh-so-different and confusing them has resulted a disastrous end to many an experiment. So let’s set it out in black and white to make sure you don’t succumb to the same…

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