نتایج جستجو برای: polysulfide

تعداد نتایج: 707  

Journal: :Nanoscale 2016
Dibyendu Ghosh Ganga Halder Atharva Sahasrabudhe Sayan Bhattacharyya

To boost the photoconversion efficiency (PCE) of ever promising quantum dot sensitized solar cells (QDSSCs), and to improve the design of photoanodes, the ability of the counter electrode (CE) to effectively reduce the oxidized electrolyte needs special attention. A composite of a 15 wt% graphene oxide nanoribbon (GOR), obtained by unzipping multi-walled carbon nanotubes (MWCNTs), and CuxS inte...

Journal: :Brazilian oral research 2008
Adriana Cláudia Lapria Faria Renata Cristina Silveira Rodrigues Ana Paula Macedo Maria da Gloria Chiarello de Mattos Ricardo Faria Ribeiro

Several impression materials are available in the Brazilian marketplace to be used in oral rehabilitation. The aim of this study was to compare the accuracy of different impression materials used for fixed partial dentures following the manufacturers' instructions. A master model representing a partially edentulous mandibular right hemi-arch segment whose teeth were prepared to receive full cro...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2016
Eric R DeLeon Yan Gao Evelyn Huang Maaz Arif Nitin Arora Alexander Divietro Shivali Patel Kenneth R Olson

Stepwise one-electron reduction of oxygen to water produces reactive oxygen species (ROS) that are chemically and biochemically similar to reactive sulfide species (RSS) derived from one-electron oxidations of hydrogen sulfide to elemental sulfur. Both ROS and RSS are endogenously generated and signal via protein thiols. Given the similarities between ROS and RSS, we wondered whether extant met...

Journal: :Materials advances 2021

The calculated S K-edge XANES spectra of lithium polysulfide solids show that the conventional pre-edge peak is absent and their main peaks overlap with ?-S 8 's. Besides, presence Li vacancies can induce redshift feature.

2018
Ruiyuan Zhuang Shanshan Yao Maoxiang Jing Xiangqian Shen Jun Xiang Tianbao Li Kesong Xiao Shibiao Qin

One-dimensional molybdenum dioxide-carbon nanofibers (MoO2-CNFs) were prepared using an electrospinning technique followed by calcination, using sol-gel precursors and polyacrylonitrile (PAN) as a processing aid. The resulting samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, Brunauer-Emmet-Teller (BET) surface area measur...

2010
Louis Feinstein

stabilizer such as cane sugar to liquid lime-sulfur and evaporating to dryncss. Self-boiled lime-sulfur is made by utilizing the heat of hydration or slaking of quicklime, CaO, to carry on the reactions with sulfur. Ammonium polysulfide and sodium polysulfide are made by passing hydrogen Sulfide gas, H.^S, into ammonium or sodium hydroxide containing excess sulfur. It is supposed that the chemi...

2013
Dexian Dong Yongguang Zhang Sanjana Sutaria Aishuak Konarov Pu Chen

Self-assembly of nanostructured materials has been proven a powerful technique in material design and synthesis. By phage display screening, M13 phage was found to strongly bind sulfur particles. Fourier transform infrared and X-ray photoelectron spectroscopy measurements indicated that the strong sulfur-binding ability of M13 phage derives from newly generated S-O and C-S bonds. Using this pha...

2013
Yitan Li Lin Wei Ruizi Zhang Yanxue Chen Liangmo Mei Jun Jiao

Nanostructures composited of vertical rutile TiO2 nanorod arrays and Sb2S3 nanoparticles were prepared on an F:SnO2 conductive glass by hydrothermal method and successive ionic layer adsorption and reaction method at low temperature. Sb2S3-sensitized TiO2 nanorod solar cells were assembled using the Sb2S3-TiO2 nanostructure as the photoanode and a polysulfide solution as an electrolyte. Anneali...

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