Methods for detecting target analytes and enzymatic reactions
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a technology of enzymatic reactions and target analytes, which is applied in the field of methods for detecting target analytes and enzymatic reactions, can solve problems such as difficulty in applying the various chemistries associated with chemical functionalities
Inactive Publication Date: 2009-06-11
TRUSTEES OF TUFTS COLLEGE
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A potential drawback, however, was the difficulty in applying the various chemistries associated with the chemical functionalities; the functionalities were built on the sensor in a serial fashion.
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[0197]Reported dye ratio: 1:1 ratio of DilC:TRC, where DilC is 1,1′,3,3,3′,3′-hexamethyl-indodicarbocyanine iodide and TRC is Texas Red cadaverine
[0198]A range of ratios of light intensities are selected that are representative of the optical signature for the dye ratio of the subpopulation based on the quantum yield of the two dyes. The optical signature for this subpopulation is:
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Abstract
A microsphere-based analytic chemistry system and method for making the same is disclosed in which microspheres or particles carrying bioactive agents may be combined randomly or in ordered fashion and dispersed on a substrate to form an array while maintaining the ability to identify the location of bioactive agents and particles within the array using an optically interrogatable, optical signature encoding scheme. A wide variety of modified substrates may be employed which provide either discrete or non-discrete sites for accommodating the microspheres in either random or patterned distributions. The substrates may be constructed from a variety of materials to form either two-dimensional or three-dimensional configurations. In a preferred embodiment, a modified fiber optic bundle or array is employed as a substrate to produce a high density array. The disclosed system and method have utility for detecting target analytes and screening large libraries of bioactive agents.
Description
[0001]This application is a continuation-in-part of U.S. Ser. No. 09 / 786,896, filed Sep. 10, 1999, now pending, which is a national phase application of PCT application US 99 / 20914, which claims priority of U.S. Ser. No. 09 / 151,877, filed Sep. 11, 1998, now U.S. Pat. No. 6,327,410, issued Dec. 4, 2001, which is a continuation-in-part of U.S. Ser. No. 08 / 818,199, filed Mar. 14, 1997, now U.S. Pat. No. 6,023,540, issued Feb. 8, 2000. This application is also a continuation-in-part of U.S. Ser. No. 09 / 840,012, filed Apr. 20, 2001, now pending, which is a continuation of U.S. Ser. No. 09 / 450,829, filed Nov. 29, 1999, now U.S. Pat. No. 6,266,459, issued Jul. 24, 2001, which is a continuation of U.S. Ser. No. 08 / 818,199, filed Mar. 14, 1997, now U.S. Pat. No. 6,023,540, issued Feb. 8, 2000. This application is also a continuation-in-part of U.S. Ser. No. 09 / 925,292, filed Aug. 8, 2001, now pending, which is a continuation of U.S. Ser. No. 09 / 151,877, filed Sep. 11, 1998, now U.S. Pat. No....
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Patent Type & Authority Applications(United States)