Citation: He You HAN, De Hong HU, Jian Gong LIANG, Zong Hai SHENG. Study on the Interaction between CdSe Quantum Dots and Bovine Serum Albumin with Ultraviolet Visible Absorption Spectroscopy[J]. Chinese Chemical Letters, ;2006, 17(7): 961-964. shu

Study on the Interaction between CdSe Quantum Dots and Bovine Serum Albumin with Ultraviolet Visible Absorption Spectroscopy

College of Science, MOA Key Laboratory of Food Safety Evaluation, Huazhong Agricultural University, Wuhan 430070

Received Date: 15 December 2006

Fund Project: The authors gratefully acknowledge the support for this research by Program for New Century Excellent Talents in Chinese Ministry of Education (NCET-05-0668), the Key Project of Chinese Ministry of Education (No. 106120) and the Key Program from Hubei Province of China (2005AA201C25).

The interaction of CdSe quantum dots (QDs) with bovine serum albumin (BSA) has been investigated with ultraviolet visible absorption spectroscopy (UVAS). It was found that the absorption intensity of CdSe QDs significantly decreased after adding BSA solution, showing that CdSe QDs were bonded to BSA. The binding molar ratio was 1:1 and the binding constant was 9.7×10⁶ L mol^-1.
- CdSe,
- quantum dots,
- bovine serum albumin,
- interaction
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