Research Core Personnel

Grant Kolar, M.D., Ph.D.
Director of the Research Microscopy & Histology Core
Assistant Research Professor
Department of Pathology
Department of Opthalmology
Schwitalla Hall, M111
Office 314-977-7848
Fax 314-977-8740


Dr. Kolar completed his M.D. and Ph.D. at the University of Oklahoma before completing a residency in Anatomical Pathology and fellowships in Neuropathology and Ocular Pathology at Washington University in St. Louis. In addition to directing the Research Microscopy & Histology and Confocal Cores, he participates in the PhD graduate program, lecturing in cell biology, developmental biology, pathology and microscopy.

His independent research interests center on translational aspects of immunological and small peptide biology in diseases that impact the eye and brain.

Barbara Nagel, MA(R)

Barbara Nagel, M.A.(R)
Associate Director
M102 Schwitalla Hall
Lab 314-977-7862
Fax 314-977-8740


Ms. Nagel has over 30 years of experience in light and electron microscopy, having joined Saint Louis University School of Medicine in the Department of Pathology in 1981 as a Research Assistant. She has also worked for 7 years in the Department of Ophthalmology, specializing in LM and EM of rodent retina.

Her expertise includes sectioning thin and semi-thin plastic sections, paraffin and cryo sectioning, cryo-ultramicrotomy, immuno-fluorescent staining and immunogold labeling.

Katie Phelps, B.S.
Laboratory Technician
M102 Schwitalla Hall
Lab 314-977-7847
Fax 314-977-8740

Ms. Phelps joined the Core in September, 2015. She has a B.S. degree in Biology from Saint Louis University, has studied histology, immunology, and microbiology, and was a Preparatory Teaching Assistant, preparing labs for undergraduate students. She is skilled in cryo and paraffin sectioning, immunohistochemical and immunofluorescence experiments and general lab techniques.