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Title: Interaction of CdTe Nanorods with Bovine Serum Albumin
Authors: Bera, Swades Ranjan
Saha, Satyajit
Kamilya, Tapanendu
Keywords: CdTe nanorod; Bovine serum albumin; high resolution transmission electron microscopy; photoluminescence spectra; absorption spectra.
Issue Date: 24-Dec-2016
Publisher: Vidyasagar University
Series/Report no.: Journal of Physical Sciences;JPS-v21-art16
Abstract: In this paper, CdTe nanorods (NRs) have been grown by a simple cost effective chemical reduction route. The grown CdTe NRs are characterized structurally by X-Ray diffraction (XRD) and transmission electron microscopy (TEM). The grown CdTe (NRs) are characterized optically by Optical Absorption, Photoluminescence (PL) study. The XRD pattern confirmed mainly cubic phase of CdTe NRs. We have studied the interaction as well as the formation of bioconjugate of bovine serum albumin (BSA) with CdTe NRs by applying the HRTEM images and the fluorescence quenching approach in combination with the Stern-Volmer and Hill equations. The photoluminescence spectrum shows shallow deep level visible emission due to various defect states. UV–VIS and fluorescence spectra show that a spontaneous binding process occurred between BSA and Cadmium Telluride nanorod. A small red shift of the absorption peak of BSA is observed due to binding of BSA with CdTe NRs. Cadmium Telluride NRs quench the fluorescence emission of BSA. The Stern–Volmer quenching constant, the binding constant and Hill coefficient were also calculated.
ISSN: 2350-0352
Appears in Collections:Journal of Physical Sciences Vol.21 [2016]

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