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Your search keyword '"Bismuth -- Physiological aspects"' showing total 17 results
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17 results on '"Bismuth -- Physiological aspects"'

1. Growth of compound Bi (super)III -VI (super)A -VII (super)A crystals with special morphologies under mild conditions

Author

Liying Zhu, Yi Xie, Xiuwen Zheng, Xing Yin, and Xiaobo Tian

Subjects
Chemistry, Inorganic -- Research, Bismuth -- Physiological aspects, Crystals -- Growth, Morphology -- Research, Solution (Chemistry) -- Physiological aspects, Ethanes -- Physiological aspects, Chemistry
Abstract

Research has been conducted on different Bi (super)III -VI (super)A -VII (super)A crystals, including polygonal tubular, platelike and bundlerodlike crystals. The growth of these crystals studied via the use of the mild solution routes in the ethanol system is discussed.

Published
2002

2. Heterobimetallic bismuth-transition metal salicylate complexes as molecular precursors for ferroelectric materials. Synthesis and structure of Bi (sub)2 M (sub)2 (sal) (sub)4 (Hsal) (sub)4 (OR) (sub)4 (M= Nb, Ta; R= CH (sub)2 CH (sub)3, CH(CH (sub)3) (sub)2), Bi (sub)2 Ti (sub)3 (sal) (sub)8 (Hsal) (sub)2, and Bi (sub)2 Ti (sub)4 (O (super)i Pr)(sal) (sub)10 (Hsal) (sal= O (sub)2 CC (sub)6 H (sub)4 -2-O; Hsal= O (sub)2 CC (sub)6 H (sub)4 -2-OH)

Author

Thurston, John H. and Whitmire, Kenton H.

Subjects
Chemistry, Inorganic -- Research, Bismuth -- Physiological aspects, Coordination compounds -- Physiological aspects, Salicylic acid -- Physiological aspects, Niobium -- Physiological aspects, Titanium -- Physiological aspects, Hydrogen -- Physiological aspects, Carbon -- Physiological aspects, Oxygen -- Physiological aspects, Tantalum -- Physiological aspects, Transition metals -- Physiological aspects, Hydrolysis -- Physiological aspects, Solvents -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the bismuth heterobimetallic complexes. The synthesis and characterization of these complexes have been carried out and the results indicate that the complexes are soluble in common organic solvents and have better stability against hydrolysis.

Published
2002

3. A simple and versatile method for the synthesis of acetals from aldehydes and ketones using bismuth triflate

Author

Leonard, Nicholas M., Oswald, Matthew C., Frieberg, Derek A., Nattier, Bryce A., Smith, Russell C., and Mohan, Ram S.

Subjects
Chemistry, Organic -- Research, Aldehydes -- Physiological aspects, Ketones -- Physiological aspects, Bismuth -- Physiological aspects, Catalysts -- Physiological aspects, Biological sciences, Chemistry
Abstract

Research has been conducted on bismuth triflate. The use of this compound as a catalyst for conversion of aldehydes and ketones to acetals is described.

Published
2002

4. Microbial methylation of metalloids: arsenic, antimony, and bismuth

Author

Bentley, Ronald and Chasteen, Thomas G.

Subjects
Microbiological research -- Analysis, Molecular biology -- Research, Methylation -- Physiological aspects, Arsenic -- Physiological aspects, Antimony -- Physiological aspects, Bismuth -- Physiological aspects, Organometallic compounds -- Physiological aspects, Biological sciences
Abstract

The authors review the publications on biological methylation. The topics of interest include bioalkylation, metalloids' methylation, arsenic methylation, antimony biomethylation and enzymology of biomethylation.

Published
2002

5. First principles search for multiferroism in BiCrO (sub)3

Author

Hill, Nicola A., Battig, Pio, and Daul, Claude

Subjects
Chemistry, Physical and theoretical -- Research, Chromium -- Physiological aspects, Oxygen -- Physiological aspects, Bismuth -- Physiological aspects, Iron -- Physiological aspects, Density functionals -- Usage, Chemicals, plastics and rubber industries
Published
2002

6. Configuration interaction study of the low-lying electronic states of GaBi

Author

Chattopadhyay, Anjan, Chattopadhyaya, Surya, and Das, Kalyan Kumar

Subjects
Chemistry, Physical and theoretical -- Research, Gallium -- Physiological aspects, Bismuth -- Physiological aspects, Molecules -- Physiological aspects, Chemicals, plastics and rubber industries
Published
2002

7. A simple and efficient chemoselective method for the catalytic deprotection of acetals and ketals using bismuth triflate

Author

Carrigan, Marc D., Sarapa, Dusan, Smith, Russell C., Wieland, Laura C., and Mohan, Ram S.

Subjects
Chemistry, Organic -- Research, Bismuth -- Physiological aspects, Solvents -- Health aspects, Biological sciences, Chemistry
Abstract

Research has been conducted on the bismuth triflate, a catalyst for the acetal and ketal deprotection. The reaction has been investigated and the results indicate that due to the use of the nontoxic solvent system this reaction is very attractive for the large-scale synthesis.

Published
2002

8. Highly powerful and practical acylation of alcohols with acid anhydride catalyzed by Bi(OTf) (sub)3

Author

Orita, Akihiro, Tanahashi, Chaki, Kakuda, Atsushi, and Otera, Junzo

Subjects
Chemistry, Organic -- Research, Acylation -- Physiological aspects, Alcohols -- Physiological aspects, Anhydrides -- Physiological aspects, Bismuth -- Physiological aspects, Oxygen -- Physiological aspects, Biological sciences, Chemistry
Abstract

Research has been conducted on the Bi(OTf) (sub)3-catalyzed alcohol acylation with acid anhydride. The evaluation of this acylation has been carried out the compared with other acylation methods and the comparison results are reported.

Published
2001

9. New members of the homologous series A (sub)m [M (sub)6 Se (sub)8] (sub)m [M (sub)5+n Se (sub)9+n]: the quaternary phases A (sub)1-x M' (sub)3-x Bi (sub)11+x Se (sub)20) and A (sub)1+x M' (sub)3-2x Bi (sub)7+x Se (sub)14 (A= K, Rb, Cs; M'- Sn, Pb)

Author

Mrotzek, Antje, Iordanidis, Lykourgos, and Kanatzidis, Mercouri G.

Subjects
Chemistry, Inorganic -- Research, Selenium -- Physiological aspects, Bismuth -- Physiological aspects, Potassium -- Physiological aspects, Rubidium -- Physiological aspects, Cesium -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the compounds (sub)1+x M' (sub)3-2x Bi (sub)7+x Se (sub)14 (A= K, Rb, Cs; M'- Sn, Pb). The investigation of this reaction and its structure has been carried out via the reaction that involves A (sub)2 SE, Bi (sub)2 Se (sub)3, N' and Se and the results are presented.

Published
2001

10. Preparation and HREM characterization of a protonated form of a layered perovskite tantalate from an Aurivillius phase Bi (sub)2 SrTa (sub)2 O (sub)9 via acid treatment

Author

Tsunoda, Yu, Shirata, Masashi, Sugimoto, Wataru, Zheng Liu, Terasaki, Osamu, Kuroda, Kazuyuki, and Sugahara, Yoshiyuki

Subjects
Chemistry, Inorganic -- Research, Perovskite -- Physiological aspects, Bismuth -- Physiological aspects, Strontium -- Physiological aspects, Tantalum -- Physiological aspects, Oxygen -- Physiological aspects, Acids -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the Aurivillius phase Bi (sub)2 SrTa (sub)2 O (sub)9 consisting of perovskite-like slabs and bismuth oxide sheets. The treatment of this compound with 3 M hydrochloric acid and the characterization of the resultant products have been carried out and discussed.

Published
2001

11. Synthesis and characterization of the 'metallic salts' A (sub)5 Pn (sub)4 (A= K, Rb, Cs and Pn= As, Sb, Bi) with isolated zigzag tetramers of Pn (sub)4 (super)4- and an extra delocalized electron

Author

Gascoin, Franck and Sevov, Slavi C.

Subjects
Chemistry, Inorganic -- Research, Salts -- Physiological aspects, Potassium -- Physiological aspects, Rubidium -- Physiological aspects, Cesium -- Physiological aspects, Bismuth -- Physiological aspects, Antimony -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the isostructural metalic salts. The preparation of these compounds via the reactions of the corresponding elements has been carried out and the results indicate that the compounds contain flat and isolated zigzag tetramers with the conjugated pi-electron system of delocalized electrons.

Published
2001

12. Hydridotris(thioxotriazolyl)borate (Tt), an ambidentate (N (sub)3 /S (sub)3) tripodal ligand. X-ray crystal structures of sodium, bismuth(III), tin(IV), and manganese(I) complexes

Author

Bailey, Philip J., Lanfranchi, Maurizio, Marchio, Luciano, and Parsons, Simon

Subjects
Chemistry, Inorganic -- Research, Borates -- Physiological aspects, Ligands -- Physiological aspects, Nitrogen -- Physiological aspects, Sulfur -- Physiological aspects, Sodium -- Physiological aspects, Bismuth -- Physiological aspects, Manganese -- Physiological aspects, Tin -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the heterocycle thioxotriazole. The reaction of this thioxotriazole with sodium tetrahydroborate has been examined and the results indicate that this reaction provides [N (sub)3 /S (sub)3] ambidentate tripod ligand hydridotris(thioxotriazolyl)borate as its sodium complex salt.

Published
2001

13. Edge-bridged octahedral tungsten-oxygen-chlorine clusters: synthesis and characterization of two D (sub)3d -symmetric [W (sub)6 O (sub)6 Cl (sub)12] (super)2- isomers and [W (sub)6 O (sub)7 Cl (sub)11] (super)3-

Author

Crawford, Nathan R. M. and Long, Jeffrey R.

Subjects
Chemistry, Inorganic -- Research, Tungsten -- Physiological aspects, Oxygen -- Physiological aspects, Chlorine -- Physiological aspects, Bismuth -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the tungsten-oxygen-chlorine clusters. The results of the reaction in which the entrance to the tungsten oxochloride cluster chemistry is provided via WOCl (sub)4 reduced with bismuth metal are reported.

Published
2001

14. The development of the alpha-particle emitting radionuclides (super)212 Bi and (super)213 Bi, and their decay chain related radionuclides, for therapeutic applications

Author

Hassfjell, Sindre and Brechbiel, Martin W.

Subjects
Biochemistry -- Research, Bismuth -- Physiological aspects, Radioisotopes -- Health aspects, Cancer cells -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the (super)212 Bi and (super)213 Bi radionuclides that target cancer cells. The chemistry and the experimental results relevant to the development of the therapeutiv use of these radionuclides are discussed.

Published
2001

15. Evidence for an unstable Bi(II) radical from Bi-O bond homolysis. Implications in the rate-determining step of the SOHIO process

Author

Hanna, Tracy A., Rieger, Anne L., Reiger, Philip H., and Wang, Xiaoyu

Subjects
Chemistry, Inorganic -- Research, Radicals (Chemistry) -- Physiological aspects, Oxygen -- Physiological aspects, Chemical bonds -- Physiological aspects, Bismuth -- Physiological aspects, Sulfur -- Physiological aspects, Hydrogen -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the BiCl (subO3 reaction with lithium salt. Results indicate that this reaction carried out in the presence of nitrogen gives organic oxidation and bismuth disproportionation products.

Published
2002

16. H pylori shakes up the anti-ulcer market

Author

Rathbone, Barrie

Subjects
Gastritis -- Causes of, Helicobacter pylori -- Research, Pathogenic microorganisms -- Research, Ulcers -- Drug therapy, Bismuth -- Physiological aspects, Business, Pharmaceuticals and cosmetics industries
Published
1993

17. Reports from Henan University Advance Knowledge in Apoptosis [Bismuth(III) and diorganotin(IV) complexes of bis(2-acetylpyridine) thiocarbonohydrazone: Synthesis, characterization, and apoptosis mechanism of action in vitro]

Subjects
Bismuth -- Physiological aspects, Apoptosis -- Physiological aspects, Toxicity, Carcinoma, Hepatocellular carcinoma, Editors, Health
Abstract

2018 DEC 7 (NewsRx) -- By a News Reporter-Staff News Editor at Health & Medicine Week -- Investigators discuss new findings in Cellular Physiology - Apoptosis. According to news originating [...]

Published
2018

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