The Department of Homeland Security’s Science and Technology (S&T) branch has issued a Broad Agency Announcement (BAA) seeking research for sample preparation techniques of samples with complex background matrices such as those culled from environmental aerosol collectors. Under the Next Generation Biological Detection program S&T is looking for research that furthers the ability to prepare samples for RNA, DNA, and protein testing from backgrounds with complex biological components. Sol. No. BAA_09-11_DHS_ST. Respond by June1. Contact: William Fuller, contract specialist, [email protected].