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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
Transfection Troubleshooting: 10 Common Problems and What to Check First
Cell Culture

Transfection Troubleshooting: 10 Common Problems and What to Check First

Direct2Lab
Full-color portrait of Greg Verdine on a BiG IMPACT 2026 poster promoting Ying Yang's profile.
BiG

Greg Verdine: Becoming His Father’s Hands at Age Five — Spending a Lifetime Building “Hands” for the Impossible

Ying Yang
BiG IMPACT 2026 conference in Shanghai, October 23–24, featuring Greg Verdine, Peter Kolchinsky and Xiaodong Wang.
BiG IMPACT

BiG IMPACT 2026 Brings Global Biotech Leaders to Shanghai

Direct2Lab Editorial Team
Direct2Lab at the BVS vendor show at One Kendall Square, Cambridge, September 9, 2026
BVS

At BVS Kendall Square, Talking About the Lab Behind the Order

Direct2Lab Editorial Team
Researcher observing a cell culture flask with an inverted microscope.
Breast Cancer Research

Breast Cancer Treatment Resistance: Why Response Changes

Direct2Lab Editorial Team
Dr. Nerdy introduces cell transfection with a pipette and cell culture plate.
Biotechnology

Cell Transfection Explained: How Scientists Deliver DNA, RNA, and CRISPR Components Into Cells

Direct2Lab
Direct2Lab at the BVS Longwood Galleria Tech Vendor Expo in Boston, September 10, 2026
Boston

What Boston Labs Told Us at BVS Longwood

Direct2Lab Editorial Team
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