In cancer research, our goal is to be able to start with a sample of human tissue, extract many cells of interest, and perform genetic analysis upon each of them separately. (sciencemag.org)
They recorded electrical activity just outside individual brain cells of interest, and compared the signal with sounds the birds made. (uchospitals.edu)
Additionally, Cre - containing adenovirus (Ad - Cre) or AAV (AAV - pgk - Cre) has been used to successfully introduce Cre into cells of interest. (blog.addgene.org)