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Method and compositions for detecting of bloodstains using fluorescin-fluorescein reaction

United States Patent

February 17, 2004
View the Complete Patent at the US Patent & Trademark Office
A method, compositions and kit are set forth for detecting blood stains. A reactant solution includes fluorescin solubilized (reduced) in acetic acid in ethanol. The solution may be buffered to a pH of approximately 9. After spraying the reactant solution on the suspected area an oxidizer is applied to promote the fluorescin to fluorescein reaction with the blood. The reacted fluorescein is then detected through luminescence for capture by photography.
Di Benedetto; John (Goleta, CA), Kyle; Kevin (Carmarillo, CA), Boan; Terry (Ventura, CA), Marie; Charlene (Goleta, CA)
09/ 894,301
June 27, 2001
GOVERNMENT LICENSE RIGHTS The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of DOE-AC08-96NV11718 awarded by the United States Department of Energy.