New Materials for Plague Antigen and Antibody Detection

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: 1R43AI052872-01A1
Agency Tracking Number: AI052872
Amount: $98,530.00
Phase: Phase I
Program: SBIR
Awards Year: 2003
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
ANALYTICAL BIOLOGICAL SERVICES, INC.
ANALYTICAL BIOLOGICAL SERVICES, 701-4 CORNELL BUSINESS PARK, WILMINGTON, DE, 19801
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 MARY REPPY
 (302) 654-4492
 REPPY@ABSBIO.COM
Business Contact
 CHARLES SALLER
Phone: (302) 654-4492
Email: CSALLER@ABSBIO.COM
Research Institution
N/A
Abstract
DESCRIPTION (provided by applicant): We propose to develop novel soluble sensing materials that can be used in homogenous fluorescence assays for the detection of Yersinia pestis antigens and antibodies. Y. pestis is the etiological cause of plague and a potential biowarfare agent. The sensing materials are solutions of functionalized liposomes that become fluorescent when they bind selectively to the antibody targets. The solutions will be used to develop both competitive assays for detection of the Y. pestis F1 antigen and direct one-step assays for the detection of Y. pestis antibodies that can be performed in commonly available plate readers. Swift identification of a Y. pestis infection is very important to insure timely and appropriate treatment. Current methods of diagnosis (culture, fluorescent antibody staining, agglutination tests) are slow, complicated, require trained personnel and are not suitable for screening large numbers of samples quickly, in the advent of a biological attack. ELISA and PCR methods for detection of Y. pestis infection are in development, however, these methods also require multiple steps, expensive reagents and/or equipment. The assays developed from our sensing materials will be inexpensive, reliable, simple and swift. The materials will subsequently be adapted for detection of antibody response to other diseases, for medical diagnostics and vaccine research.

* information listed above is at the time of submission.

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