Cherry-tTA-ER (Transcriptional Activator) from The Wistar Institute.
Cherry-tTA-ER (Transcriptional Activator) and YFP-MS2 (marks the RNA) from The Wistar Institute.
Cherry-tTA-ER (Transcriptional Activator) and YFP-RNA pol II from The Wistar Institute.
Cherry-tTA-ER (Transcriptional Activator) and YFP-GNC5 from The Wistar Institute.
The microscope in the image belonged to William E. Horner, M.D., a collaborator with Caspar Wistar, M.D., in the early 1800s.
Dr. Horner, a lecturer at the University of Pennsylvania, was a pioneer of the use of microscopes in anatomical and medical research. He authored Special Anatomy and Histology, a seminal text on the subject.