Dynamic sampling of bioaerosols with the wetted wall cyclone, air flow model based pathogen tracking, collector-detector development for M. tuberculosis in exhaled breath, continuous monitoring of airborne nanoparticles, droplet distribution and microbiome, antimicrobial resistance, biofouling, TAMUMAP and “Barcode of Life” campus collaborative for sustainability, odor-based sensing of bacteria, Unmanned Aerial System (UAS) biosampler; virtual impactor nozzle design.