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学科主题: 物理化学
题名: Comprehensive Study on The Bio-safety of Single-walled Carbon Nanotubes
作者: Li RB(李瑞宾) ;  Wu RA(吴仁安) ;  Wang FJ(王方军) ;  Liu HW(刘宏伟) ;  Zou HF(邹汉法) ;  yangling
会议名称: The 24th International Symposium on Micro-scale Bioseparation,
会议日期: 2009-10-19
出版日期: 2009-10-19
会议地点: 中国
通讯作者: 邹汉法
部门归属: 十八室
主办者: 大连化学物理研究所
摘要: Single-walled carbon nanotubes were oxidized and the XRD spectra of o-SWNTs indicated that there are no residual catalysts existed. Then four popular cell viability assays were used to investigate the cytotoxicity of o-SWNTs to K562 cells. The concentrations of o-SWNTs used to treat cells were varied from 5 to 50 μg/mL, and it was found that o-SWNTs have no influences on cell viability. In order to acquire a comprehensive understanding on the bio-safety of o-SWNTs, online 2-D nano-LC/MS/MS identification and semi-quantitative proteomic analysis were conducted. Semiquantitative analysis suggested that 33 proteins were notably changed during the treatment with o-SWNTs. Among them, 18 proteins were significantly up-regulated, and 15 were down-regulated. As noted by Gene Ontology annotation, the identified proteins demonstrate a wide range of biological processes, such as cell cycle, cell death, cell communication, response to stimulus, metabolism and so on. Especially, an important protein related with the transportation of oxygen, Hemoglobin alpha subunit, has significant change, nearly 9-folds higher in K562 cells after treatment with o-SWNTs.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/113858
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Li RB,Wu RA,Wang FJ,et al. Comprehensive Study on The Bio-safety of Single-walled Carbon Nanotubes[C]. 见:The 24th International Symposium on Micro-scale Bioseparation,. 中国. 2009-10-19.
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