Study on the Interaction Between Human Serum Albumin and CdTe Quantum Dots

被引：1

作者：

Ma, Xuan ^{[1
]}

Liu, Lusha ^{[1
]}

Liang, Xuhua ^{[1
]}

Zhao, Bo ^{[1
]}

Shi, Lin ^{[1
]}

Zhang, Zengqing ^{[1
]}

Hu, Xiaoyun ^{[2
]}

Fan, Jun ^{[1
]}

机构：

[1] NW Univ Xian, Sch Chem Engn, Xian 710069, Shaanxi, Peoples R China

[2] NW Univ Xian, Dept Phys, Xian 710069, Shaanxi, Peoples R China

来源：

SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY | 2014年 / 44卷 / 03期

基金：

中国国家自然科学基金;

关键词：

CdTe quantum dots; circular dichroism; fluorescence quenching; human serum albumin; FLUORESCENCE; SIZE; NANOCRYSTALS;

D O I：

10.1080/15533174.2013.763275

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The CdTe quantum dots (QDs) were prepared in aqueous phase using glutathione (GSH) as a stabilizer. The GSH-CdTe structure was characterized by TEM and X-ray diffraction. Interaction between CdTe QDs and HSA was investigated by fluorescence spectroscopy combined with FT-IR and CD spectroscopy. The results showed that the fluorescence quenching of HSA was static mechanism and the secondary structure of HSA was altered. The enthalpy change (H) and entropy change (S) were calculated to be -196.998 kJmol(-1) and -223.055 Jmol(-1)K(-1), which showed that hydrogen bond and van der Waals force played a dominant role in the complex.

引用

页码：358 / 363

页数：6

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