Home Failure Case Library Band Warping from Well Overloading
Western Blot (Misshapen / Uneven Bands) moderate

Band Warping from Well Overloading

Symptom
Individual lanes show warped or distorted bands while adjacent lanes appear normal. Affected lanes may show smearing, broadening, or lateral spreading of protein bands.
Common Causes
  1. 1 Excessive protein amount loaded exceeding well capacity
  2. 2 Uneven protein loading across different wells
  3. 3 Sample volume exceeding well volume capacity
  4. 4 High protein concentration causing local gel matrix saturation
Solutions
  1. 1 Do not exceed recommended well loading capacity (typically 20-30 µg total protein for mini-gels)
  2. 2 Refer to gel manufacturer and comb size specifications for maximum sample volumes
  3. 3 Perform protein quantification (BCA or Bradford assay) to ensure equal loading
  4. 4 Dilute high-concentration samples to appropriate levels before loading
Related Video (3)
Bio-Rad Laboratories ★ 85
Setting Up and Running Mini-PROTEAN® TGX™ Precast Gels
"Demonstrates proper gel setup and running procedures for precast gels, directly addressing correct loading and execution to prevent overloading artifacts"
Cell Signaling Technology ★ 82
Western Blotting Protocol
"Complete Western blot protocol video emphasizing reproducible and reliable results, likely covering proper sample loading volumes and troubleshooting band distortion"
Bilibili (China-Accessible Mirrors) ★ 78
Western blot full protocol: Protein extraction to chemiluminescence
"Comprehensive hands-on workflow including protein extraction and electrophoresis with emphasis on data analysis, providing context for recognizing and preventing overloading issues"
Source: abcam.com ↗
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