Chemistry: molecular biology and microbiology – Maintaining blood or sperm in a physiologically active state...
Reexamination Certificate
2006-04-18
2006-04-18
Gitomer, Ralph (Department: 1655)
Chemistry: molecular biology and microbiology
Maintaining blood or sperm in a physiologically active state...
C435S006120, C435S374000
Reexamination Certificate
active
07029840
ABSTRACT:
The present invention provides a method for preserving cells and nucleic acids in a sample by exposing the sample to a composition that causes an inhibitory affect on proteolytic agents and/or nucleic acid degradative agents in the sample. Such compositions that are useful in the method of the present invention include chelating agents such as sodium citrate, sodium borate, sodium fluoride and EDTA, that will bind trace metals necessary for proteolytic activity of proteolytic agents and/or nuclease activity of nuclease agents in a sample.
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Becton Dickinson and Company
Gitomer Ralph
Kiang Allan M.
Srivastava Kailash C.
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