This query feature will allow you to limit your query to participants that have DNA or RNA available for your proposed lab assays.
1. Specimen Type: Select a specimen type - DNA or RNA.
2. Collection Visit: Select the time point(s) that DNA/RNA was collected. If time point does not matter, select "Any Visit".
3. Mass and Concentration: Enter the minimum DNA/RNA mass and concentration required for your assay(s). Note that Ancillary Studies requesting more than 1 ug DNA or 0.5 ug RNA will need to provide strong justification. Please click [here] to see the limits on biological samples available for ancillary studies.
4. Negate: Press this button if you want to make the criteria you have selected NOT true. The Negate button is available on all criteria screens. To undo, simply click the "Undo Negation" button.
If you have additional questions that are not answered here, please contact the WHI help desk.