Aggregation sensor and solutions and kits comprising the same
DC CAFCFirst Claim
1. An aggregation sensor soluble in a polar medium comprising:
- (a) a conjugated polymer comprisinga plurality of first optically active units forming a conjugated system, having a first absorption wavelength at which the first optically active units absorbs light to form an excited state, anda plurality of solubilizing functionalities; and
(b) one or more second optically active units that can receive energy from the excited state of the first optically active unit;
said aggregation sensor comprising at least three first optically active units per second optically active unit;
wherein the second optically active unit is grafted to the conjugated polymer.
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Abstract
This invention relates to an aggregation sensor useful for the detection and analysis of aggregants in a sample, and methods, articles and compositions relating to such a sensor. The sensor comprises first and second optically active units, where energy may be transferred from an excited state of the first optically active unit to the second optically active unit. The second optically active unit is present in a lesser amount, but its relative concentration is increased upon aggregation, increasing its absorption of energy from the first optically active units. This increase in energy transfer can be detected in variety of formats to produce an aggregation sensing system for various aggregants, including for quantitation. Other variations of the inventions are described further herein.
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Citations
28 Claims
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1. An aggregation sensor soluble in a polar medium comprising:
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(a) a conjugated polymer comprising a plurality of first optically active units forming a conjugated system, having a first absorption wavelength at which the first optically active units absorbs light to form an excited state, and a plurality of solubilizing functionalities; and (b) one or more second optically active units that can receive energy from the excited state of the first optically active unit; said aggregation sensor comprising at least three first optically active units per second optically active unit; wherein the second optically active unit is grafted to the conjugated polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification