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Biochemistry

Virginia Commonwealth University

Biochemistry

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Full-Text Articles in Life Sciences

The Extension Of Rbc Longevity And Functionality In The Prevention Of Graft Versus Host Disease, Shanmuka Gadiraju, Megh Kumar Jan 2017

The Extension Of Rbc Longevity And Functionality In The Prevention Of Graft Versus Host Disease, Shanmuka Gadiraju, Megh Kumar

Undergraduate Research Posters

Given today’s current scientific method of preservation, red blood cells (RBCs) donated or drawn from live humans have a storage life of approximately 42 days, after which the blood will be discarded due to of degradation of the RBCs. The mechanism that drives said degradation is known as oxidative stress, in which the cells’ inability to balance out the creation and excretion of free radicals causes a conformational change in the shape and efficacy of RBCs. In order to counteract the oxidative actions upon the cells, it has been thought that the addition of reducing agents, specifically ascorbic acid, the …


Separation Of Blood Mixtures Using Fluorescently Labeled Antibodies, Christopher Ehrhardt, Dani Jabado, Emily Brocato Jan 2017

Separation Of Blood Mixtures Using Fluorescently Labeled Antibodies, Christopher Ehrhardt, Dani Jabado, Emily Brocato

Undergraduate Research Posters

Identifying and analyzing biological mixture samples at a crime scene are of paramount concern for forensic scientists, especially if that type of evidence contains only one cell type. The presence of multiple contributors in a biological evidence sample reduces the probative value of DNA evidence and can sometimes lead to its eventual loss of value. As such, this study was performed in an attempt to examine and evaluate flow cytometry analysis as a means to separate blood mixture samples labeled with fluorescent antibodies. Fluorescein Isothiocyanate (FITC) antibodies were specifically targeted and bound to HLA (Human Leukocyte Antigens) markers present on …