Tuesday 05/20/14

10:00a – 10:50p

Goals

  • team meeting — need replies for XZ and Tani
  • Stain new yellow domains
  • troubleshooting multi-color

Chromatin Analysis

  • preliminary analysis of radius of gyration.
  • wrote code to compute flists (now a Chromatin Function) for old data which just had parameters vlists, and final pixelated images. This should be useful for matching the resolution
  • a few outliers
    • G06 still (I think this one needs to get redone because I believe it missed the RNase treatment)
    • C02 is also substantially off on radius of gyration, though not my prior area calculation so much. This bears looking into

STORM

  • Playing with multi-color analysis of F03-F04
    • round 1: day old TCEP buffer
    • round 2: new TCEP buffer
    • round 3: new COT MEA buffer, low MEA
  • Try COT + TCEP? (TCEP pretty annoying in not being able to see conventional spots. With the background issues I think this is going to be a disaster).
  • Try more or fresher COT? Fresher MEA? Epoxy sealed chambers?

Simulations to do:

  • polymer chain interactions — entangled chains with separated centroids. unentangled chains with non-separated centroids.
  • A few regularly spaced strong contacts in an otherwise weakly sticky polymer (can’t be too sticky, or it will just collapse to the space-filling case always). Simulating this now.
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