Studies on Interaction Between CdTe Nanocrystals and Proteins

Abstract

Abstract: Thiol-capping of CdTe nanocrystals were prepared in aqueous solution. The emission wavelengths of CdTe nanocrystals could be tuned by the refluxing time. Bioinorganic conjugates between CdTe nanocrystals and BSA were formed via electrostatic/coordinate self-assembly. The photoluminescence intensity of the bioinorganic conjugates was improved obviously. BSA could stabilize the CdTe nanocrystals, and the bioinorganic conjugates at room temperature were stable for a long time. We also demonstrated that CdTe nanocrystals could be blocked with BSA and avoid the nonspecific adsorption.

Key words: CdTe, BSA, Antibody, Electrostatic function, Coordinate self-assembly, Photoluminescence

CLC Number:

O644.17

TrendMD:

LI Jun, YUAN Hang, ZHAO Kui, HONG Xia, LIU Yan-Mei, MA Lan, BAI Yu-Bai, LI Tie-Jin . Studies on Interaction Between CdTe Nanocrystals and Proteins[J]. Chem. J. Chinese Universities, 2003, 24(7): 1293.

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Studies on Interaction Between CdTe Nanocrystals and Proteins

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