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题名: Microcalorimetric study about biological effect of a synthetic complex: La(Glu)(Im)(6)(ClO4)(3)center dot 4HClO(4)center dot 4H(2)O
作者: Lv, Xue-Chuan2;  Tan, Zhi-Cheng1, 3;  Gao, Xiao-Han2;  Yang, Li-Ni1
关键词: La(Glu)(Im)(6)(ClO4)(3)center dot 4HClO(4)center dot 4H(2)O ;  Glutamic acid ;  E. coli DH5 alpha ;  Microcalorimetry
刊名: THERMOCHIMICA ACTA
发表日期: 2010-10-20
DOI: 10.1016/j.tca.2010.07.001
卷: 510, 期:1-2, 页:213-216
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: A complex of lanthanum perchloric acid coordinated with glutamic acid, La(Glu)(Im)(6)(ClO4)(3)center dot 4HClO(4)center dot 4H(2)O was synthesized and characterized. The biological effect of the complex was evaluated by microcalorimetry on the growth of E. coli DH5 alpha. Power-time curves of the growth metabolism of E. coli DH5 alpha were studied using a TAM Air Isothermal Microcalorimeter at 37 degrees C. From the power-time curves, the parameters such as growth rate constants (k), inhibitory ratio (I), the maximum heat power (P-m) and the time of the maximum heat power (t(m)) were obtained. The results show that the concentrations of the complex affect obviously the growth metabolism of E. coli DH5 alpha. The stimulatory effect on growth of E. coli DH5a was observed when the concentration of the complex was kept in the range of (0-0.5 mu g mL(-1)). In contrast to the lower concentration, in the case of higher concentration of the complex (0.5-5.0 mu g mL(-1)), an inhibitory effect occurred. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: ESCHERICHIA-COLI ;  PROMOTER ;  IMIDAZOLE ;  ENTHALPY ;  ALANINE ;  GROWTH
语种: 英语
WOS记录号: WOS:000283399700029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141977
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian, Peoples R China
2.Liaoning Shihua Univ, Sch Chem & Mat Sci, Fushun 113001, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian 116023, Peoples R China

Recommended Citation:
Lv, Xue-Chuan,Tan, Zhi-Cheng,Gao, Xiao-Han,et al. Microcalorimetric study about biological effect of a synthetic complex: La(Glu)(Im)(6)(ClO4)(3)center dot 4HClO(4)center dot 4H(2)O[J]. THERMOCHIMICA ACTA,2010,510(1-2):213-216.
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