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Title: Studies on fluorescence resonance energy transfer between dyes and water-soluble quantum dots. Author: Chen Q, Ma Q, Wan Y, Su X, Lin Z, Jin Q. Journal: Luminescence; 2005; 20(4-5):251-5. PubMed ID: 16134207. Abstract: In this work, donor-acceptor complexes were formed based on antibody-antigen interactions. Immunoglobulin antigen (mouse-IgG) was effectively conjugated to mercaptopropyl acid-modified CdTe quantum dot synthesized in aqueous solution via electrostatic interaction, while organic dyes-tetramethylrhodamine isothiocyanate (TRITC) were attached to the corresponding antibody (anti-mouse IgG). The mutual affinity of the antigen and antibody brought the CdTe quantum dot and TRITC sufficiently close together to allow the resonance dipole-dipole coupling required for fluorescence resonance energy transfer to occur. The formation of immunocomplexes resulted in fluorescence resonance energy transfer from the CdTe quantum dot donors to the TRITC acceptors.[Abstract] [Full Text] [Related] [New Search]