Research Flow Cytometry Core Director

 meet-accordion-sherry thornton

Sherry Thornton, PhD

The Research Flow Cytometry Core is directed by Dr. Sherry Thornton. In 2002 Dr. Thornton became assistant flow core director for the Rheumatology Center Grant (NIHP30) and began serving as the core director in 2005. In 2008 she took on a larger role in flow cytometry at Cincinnati Children’s as director of the Research Flow Cytometry Core, which houses all flow cytometry instrumentation involved in basic research. She can be reached at


Research Flow Cytometry Core Manager

 meet-accordion-monica delay

Monica DeLay

Monica has a MS in Biology and extensive research experience involving immunology in autoimmune diseases using flow cytometry as a laboratory technique. In 2008 she joined the RFCC as manager. Monica is available for experimental consultation on flow cytometric analysis or cell sorting and operates the MoFlo XDP and FACSAria’s. Monica also organizes the RFCC user meetings and teaches the monthly ‘Introduction to Flow Cytometry’ class. Monica can be reached at


Research Flow Cytometry Core Staff

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Sarah Croswell

Sarah has a BS from Miami University and began working with the core facility in 2007. Sarah provides hands-on training and troubleshooting for the analytical cytometers and one-on-one assistance with data analysis using flow cytometry analysis software on the workstations in our core. Sarah can be reached at


Alexandra Heyn

Alexandra received her BS in Biomedical Technology from Barao de Maua University (Brazil) and has extensive experience in immunological research. Alexandra joined the RFCC in 2014 as a cell sorter operator where she mainly runs the FACSAria’s. Alexandra can be reached at

meet-accordion-tim hubbell

Tim Hubbell

Tim received his BA from the University of Cincinnati and has many years of experience in biomedical research on topics ranging from immunology to fluorescent spectroscopy. Tim joined the RFCC in 2010 as a cell sorter operator where he mainly runs the FACSAria’s and the MoFlo XDP. Tim can be reached at

meet-accordion-Javid Mohammed

Javid Mohammed

Javid has a MS in Biology from Ball State University and joined the RFCC in 2011. He has several years of research experience in a range of areas from immunology to bioinformatics. Javid provides hands-on training for the analytical cytometers, assists users in data analysis and operates the FACSAria cell sorters. Javid can be reached at


Jonathan Schick

Jonathan received his BS from The Ohio State University and has several years of research experience on topics ranging from skin cancer to Fanconi anemia. He joined the RFCC in 2012 as a cell sorter operator on the FACSAria’s and is available to assist users with the ImageStreamX. Jonathan can be reached at

meet-accordion-a sproles


Alyssa Sproles

Alyssa received her BA in Biology from Northern Kentucky University and has extensive experience in immunological research. As manager of the Cincinnati Cytokine/Mediator Measurement Core she performed assays measuring protein analytes from a variety of fluids and/or tissues using Luminex and ELISA technologies. She brought this expertise and service to the RFCC in 2012 and can be reached at