Solid phase quenching systems
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United States of America Patent
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Sep 9, 2003
Issued Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Sep 25, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention features a method of inactivating a contaminant, such as a virus, of a biological composition. The method includes the steps of: (a) contacting the biological composition with an inactivating agent including an aziridino moiety or a haloderivative salt thereof, where a portion of the agent reacts with and inactivates the contaminant, and a portion of the agent remains unreacted; (b) contacting the product of step (a) with a composition which includes one quenching moiety under conditions and for a time sufficient to allow the inactivating agent to bond covalently to the quenching moiety; and (c) separating the quenching moiety and the quenched inactivating agent from the biological composition.
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