نتایج جستجو برای: chromium chloride

تعداد نتایج: 110101  

2016
Alice

Before you make the junkyard your new jaunt, it's a good idea to take a look at some of the research on the impact of chromium supplements on metabolism and weight loss. One type of chromium (more on those in a bit), trivalent chromium, has been shown to enhance the effectiveness of insulin, a hormone that helps metabolize and store carbohydrates, fat, and proteins in the body. While researcher...

Background: Considering the carcinogenic effects of heavy metals, such as chromium, it is essential to remove these elements from water and wastewater. Direct osmosis is a new membrane technology, which can be a proper alternative to conventional chromium removal processes. Methods: The wastewater samples were collected from an electroplating unit, located in Alborz industrial city, Qazvin, Ir...

Journal: :Cancer research 1985
D Y Cupo K E Wetterhahn

The in vivo binding of chromium to whole chromatin, polynucleosomes, DNA, and cytoplasmic RNA-protein fraction from liver and kidney was examined after treatment of rats with sodium dichromate and chromium(III) chloride. Significant amounts of chromium were bound to DNA and the nonhistone proteins of chromatin and to cytoplasmic RNA-protein fraction. The binding of chromium to the nuclear and c...

Journal: :Dalton transactions 2011
Wen Zhou Jeffrey A Therrien D Lee K Wence Emily N Yallits Julia L Conway Brian O Patrick Kevin M Smith

Chromium(III) mesityl complexes were synthesized by protonolysis of chromocene with 1,3-diisopropylimidazolium chloride or DBU hydrochloride, salt metathesis with MesMgBr, and single electron oxidation with iodine.

Journal: :Molecules 2010
Lincai Peng Lu Lin Junhua Zhang Junping Zhuang Beixiao Zhang Yan Gong

The catalytic performance of various metal chlorides in the conversion of cellulose to levulinic acid in liquid water at high temperatures was investigated. The effects of reaction parameters on the yield of levulinic acid were also explored. The results showed that alkali and alkaline earth metal chlorides were not effective in conversion of cellulose, while transition metal chlorides, especia...

2017
Chan Park Seung-Hwan Yoo Sang-Won Park Kwi-Dug Yun Min-Kyung Ji Jin-Ho Shin Hyun-Pil Lim

PURPOSE To investigate the effect of non-thermal atmospheric pressure plasma (NTAPP) treatment on shear bond strength (SBS) between resin cement and colored zirconia made with metal chlorides. MATERIALS AND METHODS 60 zirconia specimens were divided into 3 groups using coloring liquid. Each group was divided again into 2 sub-groups using plasma treatment; the experimental group was treated wi...

Journal: :The Journal of bone and joint surgery. British volume 1981
T Rae

Some of the component metals of the alloys used for total joint prostheses are toxic and dissolve in the body fluids. It is important to establish how toxic these metals are and to assess the risk of localised tissue necrosis around the prostheses. This has been investigated by incubating primary monolayer cultures of human synovial fibroblasts with various preparations of metals for periods up...

2016
Aureĺien Crochet Jean-Pierre Brog Katharina M. Fromm

Oxidative substitution reactions of chromium(II) chloride with lithium phenoxide in the presence of water give access to new polynuclear chromium(III) aryloxide complexes and coordination polymers. While a one-dimensional coordination polymer based on chromium(III), [Cr2(μ3-OPh)2(μ-OPh)6(μ-OH)(μ3-Li)4(μ3-Cl)2Li(THF)6]n, is first obtained by serendipity, the controlled addition of water to the i...

2001
A. I. Seoane A. M. Güerci F. N. Dulout

The induction of aneuploidy by physical and chemical agents using different test systems was evaluated. The effect of X-rays, caffeine, acetaldehyde, ethanol, diethylstilbestrol, propionaldehyde, and chloral hydrate was studied by chromosome counting in Chinese hamster embryonic diploid cells. Aneugenic ability of cadmium chloride, cadmium sulfate, potassium dichromate, chromium chloride, nicke...

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