نتایج جستجو برای: antimony sulfide
تعداد نتایج: 21237 فیلتر نتایج به سال:
17 Antimony-based drugs are still the mainstay of chemotherapy against Leishmania infections in 18 many endemic countries. Efficacy of antimonials has been compromised by increasing numbers of 19 resistant infections, the basis of which is not fully understood and likely involves multiple factors. 20 By using a functional cloning strategy he have recently identified a novel antimony resistance ...
introduction: lymphoscintigraphy is imaging of the lymphatic system and has been integrated into the sentinel node mapping procedures. lymphoscintigraphy usually encompasses early or delayed static images. however, immediate dynamic imaging of the lymphatic basins and tumors has also been used as an adjunct lymphoscintigraphy imaging. the aim of this study was to assess the role of early dynami...
Hydrothermal deposition of antimony selenosulfide (Sb2(S,Se3)) has enabled solar cell applications to surpass the 10% efficiency threshold. This process involves reaction three precursor materials: Sb, S, and Se. However, this generates an unfavourable gradient Se S anions in Sb2(S,Se)3 film, which limits further improvements. Herein, we demonstrate how NH4F can be used as additive regulate ban...
Antimony sulfide/reduced graphene oxide (Sb2S3/RGO) nanocomposites were synthesized via a facile, one-step solvothermal method. XRD, SEM, FTIR, and Raman spectroscopy used to characterize the uniform distribution of Sb2S3 nanoparticles on surface through partial chemical bonds. The third-order nonlinear optical (NLO) properties Sb2S3, RGO, Sb2S3/RGO samples investigated by using Z-scan techniqu...
Introduction.?The senior writer, Burke (1943), made an appeal for an efficient successor to neostibosan (Bayer), this, preferably, to be a British product. What seems to be an almost perfect answer to that appeal?and indeed a British product?is the preparation stibatin (Glaxo Laboratories), or sodium antimony gluconate (antimony v-hexonate), a crystal-clear sterile solution containing 20 mg. of...
This work report on the structural and electrical characteristics of zinc oxide single crystal samples doped with antimony. Doping was carried out by antimony thermal diffusion at 1000 °C for periods of one and two hours under nitrogen environment from a solid source formed by antimony oxide. X-ray diffraction was used to determine the crystalline phases in samples and the structural change owi...
A model is presented that describes the pumping characteristics of St707 getter material, the evaporation rate of antimony, and the resulting partial pressure of Sb within a vacuum chamber. The results show that within the 250-450◦C range, the partial pressure of antimony ranges from 10−7 Pa to 10−2 Pa. In a limiting case where the getter efficiency is tuned to 10, 000 L/s, partial pressures ar...
a highly selective, sensitive, rapid and economical differential pulse polarographic method has been developed for the determination of trace amounts of antimony in various standard alloys and biological samples after adsorption of its 2-nitroso-1-naphthol-4-sulfonic acid - tetradecyldimethylbenzylammonium chloride on microcrystalline naphthalene in the ph range of 7.5-11.0. after filtration, t...
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