Fiscal Year:
1991
Title:
AMPLIFICATION OF SILVER-GOLD IMMUNO- AND DNA PROBES
Agency:
HHS
Contract:
N/A
Award Amount:
$49,838.00
Abstract:
NEW METHODOLOGIES WILL BE USED FOR THE DETECTION AND QUANTITIZATION OF VERY SMALL AMOUNTS OF PROTEINS AND DNA SEQUENCES. A NEW GOLD PARTICLE WILL BE USED TO LABEL TARGET BIOMOLECULES, THEN STAINED WITH METALLIC SILVER BY EXPOSURE TO AQUEOUS SILVER (I) IONS AND A REDUCING AGENT. THE SILVER WILL THEN BE EXTRACTED AND DETERMINED IN AQUEOUS SOLUTION, USING DYE COUPLING REACTIONS AT A POLYMER SURFACE IN CONJUNCTION WITH SPECTROPHOTOMETRIC MEASUREMENTS. COLORIMETRIC ANALYSIS, CATALYTIC SPECTROPHOTOMETRIC MEASUREMENTS AND ANODIC STRIPPING VOLTAMMETRY WILL ALSO BE USED TO DEVELOP FAST, SIMPLE AMPLIFICATION PROCEDURES FOR THE SILVER-STAINED GOLD LABEL. CALCULATIONS INDICATE THAT SENSITIVITIES OVER 10,000 TIMES GREATER THAN THOSE CURRENTLY AVAILABLE CAN BE ACHIEVED: THIS WOULD ALLOW THE DETECTION OF 1 X 10 TO THE -23 MOLE OF ANTIBODY OR DNA (EQUIVALENT TO 8 X 10 TO THE -19 G OF ALKALINE PHOSPHATASE, OR 1.2 X 10 TO THE -20 G OF A FOUR-BASE OLIGONUCLEOTIDE).
Principal Investigator:
Powell, Richard D
Principal Investigator
5166329235
Business Contact:
1 r43 ca55432-01
Small Business Information at Submission:
Nanoprobes, Inc
Life Sciences Building, Room 0 08 Suny @stony Brook Stony Brook, NY 11794
EIN/Tax ID:
DUNS:
N/A
Number of Employees:
N/A
Woman-Owned:
No
Minority-Owned:
No
HUBZone-Owned:
No