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Biochemistry Bilibili (China-Accessible Mirrors)

Western Blot Complete Process First-Person View

🚨 Failure Case Library (4) + Submit your own case

moderate
Band Warping from Well Overloading
Individual lanes show warped or distorted bands while adjacent lanes appear normal. Affected lanes may show smearing, broadening, or lateral spreading of protein bands.
💡 4 · ✓ 4
moderate
Streaking and Uneven Migration from Buffer Issues
Bands show streaking, smearing, or uneven migration patterns. Multiple bands may merge or appear poorly resolved with inconsistent migration across the gel.
💡 5 · ✓ 5
moderate
Accidental Bead Loss During Aspiration
Inconsistent or absent target protein signal across replicate samples, with visible reduction in bead pellet volume, indicating beads were aspirated during wash or supernatant removal steps.
💡 3 · ✓ 4
minor
Uneven or Distorted Blot Pattern
Membrane shows irregular signal distribution with visible fingerprints, fold marks, or forceps imprints. Signal intensity varies across membrane surface in non-biological pattern.
💡 4 · ✓ 4
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