In the title mol-ecule, C(21)H(21)PSe or PSe(C(7)H(7))(3), the P atom has a distorted PSeC(3) tetra-hedral environment, formed by the Se atom [P=Se = 2.1119 (5) Å] and three aryl rings. Two short intra-molecular C-H⋯Se contacts occur. In the crystal, weak inter-molecular C-H⋯Se inter-actions link the mol-ecules into zigzag double chains propagating in [100]. The previous report of this structur...

Amphiphilic cadmium selenide (CdSe) nanoparticles were prepared by surface functionalization with novel ligands 1 and 2, composed of pyridine moieties substituted in the 4-position with polyethylene glycol (PEG) chains.

Animal studies conducted in the 1950's, first suggested that chromium played a role in glucose metabolism. Experiments that restricted chromium intake in monkeys and rats were able to induce a state of glucose intolerance. This condition, similar to diabetes, was readily reversible with chromium supplementation. Clinical relevance were reported in the late 1970's when several cases of patients ...

The asymmetric unit of the title compound, C18H16N6Se·0.5CH3OH, contains two independent mol-ecules of bis-[3-methyl-5-(pyridin-2-yl)-1H-pyrazol-4-yl] selenide with similar C-Se-C bond angles [99.30 (14) and 98.26 (13)°], and a methanol molecule of solvation. In one mol-ecule, the dihedral angles between pyrazole and neighbouring pyridine rings are 18.3 (2) and 15.8 (2)°, and the corresponding ...

An effort is made to systematically investigate the best process conditions that ensures synthesis of different types of one dimensional cadmium selenide nanostructures with high yield and reproducibility. Through a designed experiment and rigorous statistical analysis of experimental data, models linking the probabilities of obtaining specific morphologies to the process variables are develope...

I t has been reportedthat trivalent chromium plays an important role in insulin action. We have shown that, in the presence of trivalent chromium, insulin stimulated the glucose utilization of isolated rat lenses. This finding suggested the possibility that a variation in dietary chromium might be responsible for the repeated inconsistency in the insulin effect observed on the glucose utilizati...

It is well known that soluble chromates, when added to blood in vitro or in vivo, hardly interact with the plasma components and easily penetrate the erythrocytes, and that reduction to the trivalent species follows.1-3) However, in vitro reduction of chromium(VI) in human4) and rat5) plasma has been observed. Some problems of the fate of chromium(VI) in blood, especially in vivo remain unsolve...

105 ABSTRACT: The isolated fungi species of different kinds from chromium contaminated soil sites located in Nagalkeni, Chennai were used for reducing chromium(VI) in a tannery industry wastewater of Nagalkeni, Chennai. The experiments were conducted to know biosorption potential of isolated fungi species for removing chromium(VI) in a tannery industry wastewater against the different pH, fungi...

A new high potency organic chromium yeast was investigated for its effect on blood control and serum lipids in a group of 23 normal and diabetic subjects which were sub-divided into normals, hyperglycaemics, insulin-dependent diabetics and noninsulin dependent diabetics. Each volunteer daily took 100 mg of yeast containing 218 μg of chromium for a period of six months. The blood and serum was a...

Hair and urine samples were collected from 34 male tannery workers and from 12 normal adults. Eighteen of the workers dealt directly with chromium and the remaining 16 (controls) worked in the offices and kitchen of the same factory. All were found to be clinically healthy. Chromium was determined by flameless atomic absorption spectroscopy. When compared with normal adult values, urinary chrom...