NettetOne thing I found works is to pipette the smaller amount into a well first, then add the larger amount and pipette mix with the same tip. Less chance of the smaller amount ending up in a bubble or something and not mixing properly. Works a treat for qPCR dilutions, for me anyway... Siny_AML • 6 yr. ago More posts you may like r/labrats Join NettetWhen you’re mouth pipetting, it’s usually to transfer living embryos from one dish to another for injections, etc. But once the embryos are dead (fixed, extracted, etc), then we use scarier chemicals like phenol or formaldehyde, and no one mouth pipettes those! :) 21 DankNastyAssMaster • 2 yr. ago Fair enough.

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NettetI just spent three hours writing 246 words worth of abstract. 195. 39. r/labrats • 27 days ago. Got into a pissing contest with the local -80. It won. 261. 32. r/labrats • 9 days ago. NettetAlmost all modern lab protocols have an addendum prohibiting pipetting by mouth, instead mandating that a Gilson pipette, a rubber pipette ball, or a serological Pipet-Aid be used. However, it was clear that some time in the previous century, prior to the invention of the aforementioned tools, many labs did in fact use mouth pipetting to … federal government ibond

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NettetLaboratory technique for using a volumetric pipet. Nettet31. mar. 2014 · by Meredith Wright My labmates and I recently found ourselves discussing mouth pipetting, an old technique where researchers used glorified straws as … NettetMust Read “How ‘Spit in My Mouth’ Became the Internet’s Thirstiest Meme” Ever since a GIF of a sex scene in Disobedience where Rachel Weisz deposits a load of saliva into … decoration hand pump for yard