Results 251 to 260 of about 404,297 (294)

Decoding Double Layer Dynamics for CO2 Electroreduction over Cu

open access: yesAngewandte Chemie International Edition, Accepted Article.
Understanding of the nature and role of the electric double layer (EDL) at electrocatalytic interfaces is critical to optimizing electrochemical processes such as the carbon dioxide reduction reaction (CO2RR). Despite its postulated influence on CO2RR activity, direct spectroscopic evidence of the complex interplay between EDL structure and reaction ...
Daniel Sinausia   +5 more
wiley   +1 more source

Enantiomerically Enriched Aziridine‐2‐carboxylates via Copper‐Catalyzed Reductive Kinetic Resolution of 2H‐Azirines

open access: yesAngewandte Chemie International Edition, Accepted Article.
We present the first reductive kinetic resolution of racemic 2H‐azirines to prepare optically enriched N‐H aziridine‐2‐carboxylates, which are bench stable and easily diversifiable building blocks, concomitantly with the corresponding enantiomerically enriched 2H‐azirines. The N‐H aziridines were obtained with excellent diastereoselectivity (>20:1) and
Yinuo Zheng   +3 more
wiley   +1 more source

Hydrogenation of Organic Molecules via Direct Mechanocatalysis

open access: yesAngewandte Chemie International Edition, EarlyView.
A solvent‐free, safe mechanochemical method for hydrogenation and dehalogenation is presented. Using catalyst‐plated vessels and H2 gas, various functional groups are efficiently reduced at ambient conditions. Alkenes and alkynes are fully hydrogenated in 20 min (>99 % yield).
Maike Mayer   +4 more
wiley   +1 more source

Roadmap to Catalytic Abatement of Gas Phase Per‐ and Polyfluoroalkyl Substances (PFAS)

open access: yesAngewandte Chemie International Edition, EarlyView.
In the context of PFAS emission abatement, this minireview addresses catalytic gas phase PFAS decomposition and the associated overarching challenges involving fundamental organic and inorganic chemistry, heterogeneous catalysis, and reaction engineering.
Patrick Lott, Florian Maurer, Arik Beck
wiley   +1 more source

Oxidative rearrangements of the alkaloid intermediate geissoschizine

open access: yesAngewandte Chemie International Edition, Accepted Article.
Plants can generate structural diversity by enzymatic rearrangement of a central intermediate. 19E‐geissoschizine is one such chemically versatile intermediate that plays a central role in the biosynthesis of monoterpene indole alkaloids such as strychnine, ibogaine and vinblastine.
Mohamed Kamileen   +6 more
wiley   +1 more source

Coupling of CuO@NiBiOx Catalyzed Glycerol Oxidation to Carbon Dioxide Reduction Reaction for Enhanced Energy Efficiency

open access: yesAngewandte Chemie International Edition, Accepted Article.
Glycerol ElectroOxidation Reaction (GEOR) is a promising alternative to the Oxygen Evolution Reaction (OER) in electrolyzers, overcoming the inherent challenges of high energy demand and low‐value output of water oxidation. Here, we designed a non‐noble metal‐based electrocatalyst (CuO@NiBiOx, CNBO) for selective and efficient GEOR.
Thi-Hong-Hanh Le   +13 more
wiley   +1 more source
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Poisoning

The Indian Journal of Pediatrics, 1991
In summary, environmental emergencies account for a major portion of mortality and morbidity in children. Many of these injuries are preventable and hence programmes aimed at public education and preventative measures should yield gratifying results. When these measures have failed, prompt assessment and resuscitation offers the child the best chance ...
Niranjan Kissoon, Dharmapuri Vidyasagar
openaire   +3 more sources

Self-Poisoning and Accidental Poisoning

Postgraduate Medicine, 1967
A series of 468 cases of self-poisoning in teen-agers and adults and a series of 1,645 cases of poisoning in children are reviewed. Special attention is given to detection and therapy of salicylate poisoning, to the serious problem of lead poisoning in slum areas, and to the use of the chelating agent desferrioxamine in treatment of iron poisoning.
Samuel Hyman, Joseph Greengard
openaire   +3 more sources

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