Functionalized encapsulated fluorescent nanocrystals

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Diagnostic or test agent produces in vivo fluorescence

Reexamination Certificate

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C428S402240, C428S403000, C428S404000, C427S213300, C427S215000, C427S220000, C424S009100, C424S009320, C424S009321, C424S009340, C424S009360

Reexamination Certificate

active

07060252

ABSTRACT:
Provided are a functionalized, encapsulated fluorescent nanocrystal comprising a liposome having encapsulated therein one or more fluorescent nanocrystals; use of the functionalized, encapsulated fluorescent nanocrystals in detection systems; and a method of producing functionalized, encapsulated fluorescent nanocrystals. A method of using the functionalized encapsulated fluorescent nanocrystals having affinity molecule bound thereto comprises contacting the functionalized encapsulated fluorescent nanocrystals with a sample so that complexes are formed between the functionalized encapsulated fluorescent nanocrystals and substrate for which the affinity molecule has binding specificity, if the substrate is present; exposing the complexes in the detection system to an excitation light source, and detecting a fluorescence peak emitted from the complexes, if present.

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