Microcalorimetric, spectroscopic and microscopic investigation on the toxic effects of CdTe quantum dots on Halobacterium halobium R1

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成果类型：

期刊论文

作者：

Li, Ran;Jiang, Fenglei;Xiao, Qi;Li, Jiahan;Liu, Xiaorong;...

通讯作者：

Liu, Yi

作者机构：

[Li, Jiahan; Liu, Xiaorong; Jiang, Fenglei; Xiao, Qi; Liu, Yi; Yu, Qiuliyang; Li, Ran] Wuhan Univ, State Key Lab Virol, Wuhan 430072, Peoples R China.

[Li, Jiahan; Liu, Xiaorong; Jiang, Fenglei; Xiao, Qi; Liu, Yi; Yu, Qiuliyang; Li, Ran] Wuhan Univ, Key Lab Analyt Chem Biol & Med, Minist Educ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China.

[Zeng, Chi] Wuhan Polytech Univ, Sch Biol & Pharmaceut Engineer, Wuhan 430023, Peoples R China.

通讯机构：

[Liu, Yi] W

Wuhan Univ, State Key Lab Virol, Wuhan 430072, Peoples R China.

语种：

英文

关键词：

Biological effects;CdTe;CdTe quantum dots;Heat power;High concentration;Low concentrations;Metabolic mechanism;Micro-calorimetry;Microcalorimeter;Microcalorimetric technique;Quantum Dot;Respiratory rate;TEM;Thermokinetics;Toxic effect;Cadmium alloys;Cadmium compounds;Calorimeters;Concentration (process);Electromagnetic induction;Fluorescence spectroscopy;Inductively coupled plasma;Inductively coupled plasma mass spectrometry;Rate constants;Toxicity;Transmission electron microscopy;Turbidity;Semiconductor quantum dots;cadmium derivative;cadmium telluride;quantum dot;tellurium;article;calorimetry;drug effect;growth, development and aging;Halobacterium salinarum;spectroscopy;transmission electron microscopy;ultrastructure;Cadmium Compounds;Calorimetry;Halobacterium salinarum;Microscopy, Electron, Transmission;Quantum Dots;Spectrum Analysis;Tellurium

期刊：

Nanotechnology

ISSN：

0957-4484

年：

2010

卷：

期：

页码：

475102

DOI：

10.1088/0957-4484/21/47/475102

基金类别：

Chinese 863 ProgramNational High Technology Research and Development Program of China [2007AA06Z407]; Chinese 973 ProgramNational Basic Research Program of China [2011CB933600]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [20873096, 20921062, 31000050]; Fundamental Research Funds for Central UniversitiesFundamental Research Funds for the Central Universities [1103005, 3081001]; PhD Research Foundation of Wuhan University [047]

机构署名：

本校为其他机构

院系归属：

生命科学与技术学院

摘要：

The biological effect of CdTe quantum dots (QDs) on Halobacterium halobium R1 (H. halobium R1) growth was analyzed by a microcalorimetric technique. By using a TAM air eight channels microcalorimeter, the thermogenic curves of H. halobium R1 growth were obtained at 37 °C. To analyze the results, the maximum heat power (Pm) and the growth rate constants (k) were determined, which showed that they were correlated to the concentration of QDs. The addition of quantum dots caused a gradual increase of Pm and k at low concentrations of QDs, and a co...

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Microcalorimetric, spectroscopic and microscopic investigation on the toxic effects of CdTe quantum dots on Halobacterium halobium R1

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