نتایج جستجو برای: bismuth compounds
تعداد نتایج: 233095 فیلتر نتایج به سال:
Leishmania amazonensis is the etiologic agent of the cutaneous and diffuse leishmaniasis often associated with drug resistance. Lapachol [2-hydroxy-3-(3'-methyl-2-butenyl)-1,4-naphthoquinone] displays a wide range of antimicrobial properties against many pathogens. In this study, using the classic microscopic in vitro model, we have analyzed the effects of a series of lapachol and chlorides com...
Woolfolk, C. A. (University of Washington, Seattle) and H. R. Whiteley. Reduction of inorganic compounds with molecular hydrogen by Micrococcus lactilyticus. I. Stoichiometry with compounds of arsenic, selenium, tellurium, transition and other elements. J. Bacteriol. 84:647-658. 1962.-Extracts of Micrococcus lactilyticus (Veillonella alcalescens) oxidize molecular hydrogen at the expense of cer...
Epitaxial growth of topological insulator bismuth telluride by molecular beam epitaxy onto BaF2 (111) substrates is studied using Bi2Te3 and Te as source materials. By changing the beam flux composition, different stoichiometric phases are obtained, resulting in high quality Bi2Te3 and Bi1Te1 epilayers as shown by Raman spectroscopy and high-resolution X-ray diffraction. From X-ray reciprocal s...
Physicians have long searched for an effective therapeutic agent against the unusually resistant diseases, granuloma inguinale and lymphogranuloma yenereum. Chancroid responds readily to antiseptic measures and the sulfonamide compounds. Syphilis is controlled by penicillin or arsenicals and bismuth compounds. Gonorrhea responds to the sulfonamides, penicillin or streptomycin. The discovery tha...
Bismuth (V) was incorporated in chloramphenicol and streptomycin keeping in view of finding new antibiotics. Formed complex was evaluated for their antibacterial and cell viability activity in mice. Murine peritoneal macrophage cell lines RAW 264.7 were used for in vitro antibacterial and cytotoxicty studies of various synthesized compounds. Bactericidal activity was assessed by Minimum inhibit...
The 2,6-diisopropylphenyl (Dipp) substituent is introduced to diaryl bismuth chemistry. Dipp2BiBr (1-Br) was prepared by a Grignard reaction and subsequently used as precursor for synthesis of the other halido bismuthanes Dipp2BiX (1-X, X=F, Cl, I) corresponding triflate Dipp2BiOTf (1-OTf). Moreover, 1,1,2,2-tetrakis(2,6-diisopropylphenyl)dibismuthane (2) prepared. All isolated compounds were c...
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