Effects of La3+ on the competence of Escherichia coli as studied by microcalorimetry.

Abstract:

:A series of microcalorimetric experiments were performed to investigate the effect of La(3+) on the formation of the competent state of Escherichia coli HB101 by using a LKB-2277 BioActivity Monitor at 37 C. The thermogenic curves in the absence and in the presence of La(3+) were obtained. Based on these curves, we calculated that the total heat effects (Q(T)) and the maximal power (P(max)) in the presence and absence of La(3+). Our experiments indicate that the total heat effects in the presence of a low concentration of La(3+) (

journal_name

Biol Trace Elem Res

authors

Wenhua L,Yi L,Ruming Z,Zhixiong X,Ping S,Songsheng Q

doi

10.1385/bter:91:3:267

subject

Has Abstract

pub_date

2003-03-01 00:00:00

pages

267-75

issue

3

eissn

0163-4984

issn

1559-0720

pii

BTER-91-3-267

journal_volume

91

pub_type

杂志文章
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  • Effects of alpha-tocopherol on serum trace and major elements in rats with bleomycin-induced pulmonary fibrosis.

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    doi:10.1385/BTER:114:1:175

    authors: Dede S,Mert H,Mert N,Yur F,Ertekin A,Deger Y

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  • Selenium-Fertilized Tritordeum (× Tritordeum Ascherson et Graebner) as Dietary Selenium Supplement in Laying Hens: Effects on Egg Quality.

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  • Low plasma Chromium in patients with coronary artery and heart diseases.

    abstract::Plasma chromium concentrations have been determined for 150 patients. These were subjected to coronary artery cineangiography and thereby divided into three groups: group CAD (those with coronary artery disease), group HD (those with heart disease, but no CAD) and group N (those with no CAD and no HD). Weighted, avera...

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    doi:10.1007/BF02989260

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  • Chronic Copper Exposure Induces Hypospermatogenesis in Mice by Increasing Apoptosis Without Affecting Testosterone Secretion.

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    journal_title:Biological trace element research

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  • The acute and chronic effects of monosodium L-glutamate on serum iron and total iron-binding capacity in the jugular artery and vein of pigs.

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    journal_title:Biological trace element research

    pub_type: 杂志文章

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    journal_title:Biological trace element research

    pub_type: 临床试验,杂志文章,随机对照试验

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  • Trivalent Chromium has no Effect on Delaying Azoxymethane-Induced Colorectal Cancer in FVB/NJ Mice.

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  • The susceptibility to stress-induced gastric injury of rats exposed to cadmium.

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    journal_title:Biological trace element research

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    doi:10.1007/BF02790120

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  • Soluble metals in the atmosphere and their biological implications. A study to identify important aerosol components by statistical analysis of PIXE data.

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    pub_type: 杂志文章

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  • Inhibitory effect of selenium on Cryptosporidium parvum infection in vitro and in vivo.

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  • Selenium and Iodine Levels in Subjects with Kashin-Beck Disease: a Meta-analysis.

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  • Effectiveness of Zinc Supplementation on Lithium-Induced Alterations in Thyroid Functions.

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  • Preparation of two organoselenium compounds and their induction of apoptosis to SMMC-7221 cells.

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  • Selenium Overcomes Doxorubicin Resistance in Their Nano-platforms Against Breast and Colon Cancers.

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