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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wu, Yingxin Qian, Yan Cui, Hao Lai, Xiaomin Xie, Xianchuan Wang, Xiaorong |
| Description | Author Affiliation: Wu Y ( State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, People's Republic of China.) |
| Abstract | The interaction between tetrabromobisphenol A (TBBPA) and bovine serum albumin (BSA) in simulated physiological conditions (pH = 7.4) was investigated by fluorescence spectroscopy. The results revealed that TBBPA caused the fluorescence quenching of BSA through a static quenching procedure. The binding constants (K) of TBBPA with BSA at 277, 298, and 310 K were obtained as 4.75 × 10(5) L/mol, 5.63 × 10(5) L/mol, and 6.66 × 10(5) L/mol, respectively. There may be two binding sites of TBBPA on BSA. The enthalpy change (ΔH), free energy change (ΔG), and entropy change (ΔS) of thermodynamic parameters indicated that the interaction between TBBPA and BSA was driven mainly by hydrophobic and electrostatic forces. Synchronous fluorescence spectra showed TBBPA binding slightly changed the conformation of BSA by decreasing its polarity and increasing its hydrophobicity. The results of the present study may provide valuable information for studying the distribution and toxicity mechanisms of TBBPA in vivo. |
| File Format | HTM / HTML |
| ISSN | 07307268 |
| Issue Number | 12 |
| Volume Number | 30 |
| e-ISSN | 15528618 |
| Journal | Environmental Toxicology and Chemistry |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2011-12-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Research Support, Non-u.s. Gov't Environmental Monitoring Environmental Pollutants Discipline Environmental Health Molecular Conformation Fluorescence Spectrometry, Fluorescence Discipline Toxicology Entropy Journal Article Thermodynamics Chemistry Animals Serum Albumin, Bovine Cattle Analysis Hydrophobic And Hydrophilic Interactions Protein Binding Discipline Chemistry Polybrominated Biphenyls Binding Sites |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis |
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