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Dr. Nerdy teaching about ethanol dripping from a pipette tip and reverse pipetting of volatile liquids.
Dr. Nerdy's Lab Class

Why Does Ethanol Drip from a Pipette Tip? Reverse Pipetting Explained

Direct2Lab Editorial Team

Your pipette can hold water perfectly yet drip when handling ethanol. Learn what happens inside the tip, how reverse pipetting works, and when to consider pre-wetting or a positive-displacement pipette.

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Dr. Nerdy teaching siRNA versus shRNA with RNA diagrams, a cell culture plate, and a gene silencing checklist.
Cell Transfection

siRNA vs. shRNA: Choosing a Gene Silencing Approach

Direct2Lab
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