نتایج جستجو برای: bismuth nanoparticles

تعداد نتایج: 113562  

2016
Jiayong Gan Bharath Bangalore Rajeeva Zilong Wu Daniel Penley Yuebing Zheng

Bismuth oxyiodide has attracted strong interest as a nano-engineered material for high-performance electrodes in photoelectrochemical (PEC) cells. Herein, we demonstrate the visible-light-sensitive PEC photocathodes based on nano-engineered bismuth oxyiodide (BiOI). The photocathodes are comprised of plasmonic Au nanoparticles (NPs) on hydrogen-reduced BiOI (H-BiOI) nanoflake arrays. The BiOI-b...

Journal: :Journal of occupational health 2005
Yuri Sano Hiroshi Satoh Momoko Chiba Atsuko Shinohara Masahide Okamoto Koji Serizawa Hiroshi Nakashima Kazuyuki Omae

Although bismuth is widely used as a lead substitute in the industrial field, the toxicity of bismuth by inhalation is little known. We performed a 13-wk intratracheal intermittent bismuth dose toxicity study. Bismuth was administered at dose levels of 0, 0.8, 4, 20 mg/kg to male Crj:CD(SD)IGS rats (SPF) by intratracheal intermittent administration once a week for thirteen weeks to investigate ...

Journal: :Antimicrobial agents and chemotherapy 1999
D E Mahony S Lim-Morrison L Bryden G Faulkner P S Hoffman L Agocs G G Briand N Burford H Maguire

Clostridium difficile is a major nosocomial pathogen responsible for pseudomembranous colitis and many cases of antibiotic-associated diarrhea. Because of potential relapse of disease with current antimicrobial therapy protocols, there is a need for additional and/or alternative antimicrobial agents for the treatment of disease caused by C. difficile. We have synthesized a systematic series of ...

Journal: :Journal of Inorganic and Organometallic Polymers and Materials 2022

The hydrothermal method was used to synthesize carbon sphere, and the hard template synthesis prepared C-doped hollow TiO2 sphere (CHTS). Bismuth nitrate as bismuth source modify CHTS. composite material oxidized in air atmosphere at 450℃ obtain Bi2O3 modified spheres(BCHTS). morphology, elemental composition photocatalytic degradation efficiency of tetracyclines (TC) by BCHTS spheres were char...

Journal: :Drug metabolism and disposition: the biological fate of chemicals 2009
Jens Boertz Louise Michele Hartmann Margareta Sulkowski Joerg Hippler Frank Mosel Roland Arturo Diaz-Bone Klaus Michalke Albert Wolfgang Rettenmeier Alfred Vitalis Hirner

Biological methylation and hydride formation of metals and metalloids are ubiquitous environmental processes that can lead to the formation of chemical species with significantly increased mobility and toxicity. Whereas much is known about the interaction of metal(loid)s with microorganisms in environmental settings, little information has been gathered on respective processes inside the human ...

Journal: :Applied Catalysis B-environmental 2021

Fischer-Tropsch synthesis provides an important opportunity for utilization of biomass and plastic waste. Iron catalysts are the choice light olefin using reaction. In this paper, we investigate strong promoting effects antimony tin on catalytic performance silica supported iron a combination advanced in-situ techniques. The catalyst doping with these elements added via impregnation results in ...

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