Results 251 to 260 of about 121,736 (313)

Electrocatalytic Reduction of CO2 to Ethylene: Catalyst Design and Synchrotron‐Based Characterizations

Advanced Functional Materials, EarlyView.
This review evaluates strategies for electrochemical CO2 reduction to ethylene, focusing on copper‐based catalyst design and microenvironment modulation to achieve industrial‐grade performance. By leveraging operando synchrotron‐based characterizations, we provide a multiscale understanding of dynamic structural transformations and key reaction ...
Meng Zhang, Zuolong Chen, Yimin A. Wu
wiley   +1 more source

Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna

Advanced Functional Materials, EarlyView.
We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz, Nicole Siegel, Guillermo Serrera, Javier González‐Colsa, Fangjia Zhu, Karol Kołątaj, Minoru Fujii, Hiroshi Sugimoto, Pablo Albella, Guillermo P. Acuna   +9 more
wiley   +1 more source

Metal–Organic Frameworks for Gaseous Pollutant Management: From Capture to Neutralization and Reutilization

Advanced Functional Materials, EarlyView.
This review maps how MOFs can manage hazardous gases by combining adsorption, neutralization, and reutilization, enabling sustainable air‐pollution control. Covering chemical warfare agent simulants, SO2, NOx, NH3, H2S, and volatile organic compounds, it highlights structure‐guided strategies that boost selectivity, water tolerance, and cycling ...
Yuanmeng Tian, Zeyu Tao, Kaikai Ma, Xiaoliang Wang, Bo Yu, Yiu Wan Yip, Zhijie Chen, Jin Shang, Bin Fei   +8 more
wiley   +1 more source

Chromium [PDF]

, 2003
Gray, Harry B.
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Chromium (VI) adsorption on boehmite

Journal of Hazardous Materials, 2009
Boehmite was synthesized and characterized in order to study the adsorption behavior and the removal of Cr(VI) ions from aqueous solutions as a function of contact time, initial pH solution, amount of adsorbent and initial metal ion concentration, using batch technique.
F, Granados-Correa, J, Jiménez-Becerril
openaire   +2 more sources

Binding of chromium(VI) to histones: implications for chromium(VI)-induced genotoxicity

JBIC Journal of Biological Inorganic Chemistry, 2005
The first evidence has been obtained for Cr(VI) (chromate) binding to isolated calf thymus (CT) histones under physiological conditions (pH 7.4, Cl(-) concentration 152 mM, 310 K). No significant Cr(VI) binding under the same conditions was observed for other extracellular and intracellular proteins, including albumin, apo-transferrin and G-actin, as ...
Levina, A., Harris, H., Lay, P.
openaire   +3 more sources

Stabilization of chromium(VI) by hydroxysulfate green rust in chromium(VI)-contaminated soils

Pedosphere, 2021
Abstract Chromium (Cr)-contaminated soils pose a great environmental risk, with high solubility and persistent leaching of Cr(VI). In this study, hydroxysulfate green rust (GRSO4), with the general formula Fe(II)4Fe(III)2(OH)12SO4·8H2O, was evaluated for its efficiency in Cr(VI) stabilization via Cr(VI) reduction to Cr(III) in four representative Cr ...
Leila ALIDOKHT, Shahin OUSTAN, Alireza KHATAEE, Mohammad R. NEYSHABURI, Adel REYHANITABAR   +4 more
openaire   +1 more source

Chromium (VI) Oxide

2008
[1333-82-0] CrO3 (MW 99.99) (reagent for oxidizing carbon–hydrogen bonds to alcohols, oxidizing alkylaromatics to ketones and carboxylic acids, converting alkenes to α,β-unsaturated ketones, oxidizing carbon–carbon double bonds, oxidizing arenes to quinones, oxidizing alcohols to aldehydes, ketones, acids, and keto acids ...
Fillmore Freeman, Seongmin Lee, Hong Shu, Mark Trudell   +3 more
openaire   +1 more source

Method for the determination of chromium (VI) as chromium (VI)-dibenzyidithiocarbamate

Mikrochimica Acta, 1989
Dibenzyldithiocarbamic acid (DBDC) exhibits the ability to speciate between chromium(VI) and chromium(III), since only the chromium(VI) will form complexes with DBDC. The complex is then extracted into an organic solvent and assayed using an ultraviolet-visible (UV-VIS) spectrophotometer at 498.8 nm. Using 250 ml of aqueous sample detection limits less
James H. Shofstahl, Lindsay Keck, James K. Hardy   +2 more
openaire   +1 more source

Microbial Chromium (VI) Reduction

Critical Reviews in Environmental Science and Technology, 1998
This review was conducted to describe the microbial reduction of hexavalent chromium [Cr(VI)] in general and a potential for biological treatment of Cr(VI)-containing wastes in particular. Cr(VI) is the highest oxidation state of the metal chromium, which is widely used in various industries.
Jin M. Chen, Oliver J. Hao
openaire   +1 more source