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Alternate Methods to Monitor Stress Effects (446)

Graphic of control sample and stressor exposed sample performance comparison Dual Array Method for Stress Analysis (447) Two-Color Array Method for Stress Analysis (448)

Problem: Determine preferred mRNA measurement method for evaluating environmental exposure effects.

Project Activity Scope (from Technical Overview Chart): Mechanisms through Sensors and Devices.

PNNL Solution:

  • Two technical approaches were used to monitor mRNA stress response
    • Dual array method required less sample preparation but used two arrays
    • Two-color array required extra sample processing step but only used one array
  • Comparative tests under way to determine most effective approach

Capabilities Employed to Meet Client Needs: Array preparation, hybridization, and data analysis.

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Contact: Tim Straub

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