Results 31 to 40 of about 4,937 (261)

Selective fungal bioprecipitation of cobalt and nickel for multiple‐product metal recovery

open access: yesMicrobial Biotechnology, 2021
Summary There are a need for novel, economical and efficient metal processing technologies to improve critical metal sustainability, particularly for cobalt and nickel which have extensive applications in low‐carbon energy technologies.
John Ferrier   +2 more
doaj   +1 more source

Opportunities given by density functional theory in pathological calcifications

open access: yesComptes Rendus. Chimie, 2021
Density Functional Theory has made the study of biomaterials feasible in the past years leading to better understanding of causes and possible treatments of related pathologies.
Tielens, Frederik   +3 more
doaj   +1 more source

Impact of oxalic acid on rumen function and bacterial community in sheep

open access: yesAnimal, 2013
Oxalic acid (OA) is a secondary compound occurring in a wide range of plants consumed by ruminants, especially in saline lands or in arid and semi-arid regions.
A. Belenguer   +5 more
doaj   +1 more source

Electrolyte Design for Fast‐Charging Lithium‐Based Batteries

open access: yesAdvanced Materials, EarlyView.
A decade of progress in fast‐charging electrolytes for lithium batteries is reviewed. Electrolyte design strategies spanning solvents, salts, additives, and advanced systems, such as localized high‐concentration electrolytes (LHCEs), are summarized. Advanced diagnostic tools for lithium plating and interphase chemistry are discussed, with perspectives ...
Chen Liu, Zehao Cui, Arumugam Manthiram
wiley   +1 more source

Photo and copper dual catalysis for allene syntheses from propargylic derivatives via one-electron process

open access: yesNature Communications, 2022
Transition-metal-catalyzed couplings of propargylic alcohol derivatives with organometallic reagents proceeds via two-electron transformations, which present limitations in scope and selectivity.
Qi Liu   +3 more
doaj   +1 more source

Next‐Generation Water Treatment With Molybdenum Disulfide: Dual‐Functionality in Pollutant Adsorption and Photocatalysis

open access: yesAdvanced Materials Technologies, EarlyView.
ABSTRACT Molybdenum disulfide (MoS2) has attracted attention as a promising material due to the growing demand for environmentally friendly, cost‐effective, and efficient water treatment techniques. With its physicochemical characteristics, this stratified bidimensional material allows it to be highly effective in adsorption and catalytic performance ...
Pariksha Bishnoi   +4 more
wiley   +1 more source

Enzymatic spectrophotometric determination of soluble oxalate content in some multiherbal functional products reducing stress

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2013
The aim of the study was to determine, with a highly selective and specific enzyme-spectrophotometric procedure, the unknown and not recognized soluble oxalate (SO) content in the aqueous infusions prepared from the randomly chosen series of 15 ...
Beata Sperkowska, Grzegorz Bazylak
doaj   +1 more source

Dual‐Substrate Synergistic Photocatalysis: Exogenous Reagent‐Free Co‐Removal of Phenol and Cr(VI) via Electron‐Donor‐Mediated Redox Coupling over Modified Carbon Nitride

open access: yesAdvanced Science, EarlyView.
An exogenous reagent‐free dual‐substrate strategy harnesses phenol as an intrinsic electron donor to drive synchronous phenol degradation and Cr(VI) reduction over modified carbon nitride. π–π stacking and hydrogen bonding direct electron transfer to the catalyst, enriching photogenerated electrons and accelerating Cr(VI) reduction 6.4‐fold. This waste‐
Xiaoman Zhang   +9 more
wiley   +1 more source

Herba Lysimachiae Polysaccharide‐Modified Selenium Nanoparticles Alleviate Oxidative Injury in Kidney Stones via TOMM22‐Regulated Mitophagy Activation

open access: yesAdvanced Science, EarlyView.
HLP‐SeNPs, a Lysimachia christinae polysaccharide‐modified selenium nanoparticle, treat kidney stones by downregulating TOMM22 expression, which reduces PINK1 translocation into mitochondria and promotes its retention on the outer mitochondrial membrane.
Junyi Yang   +10 more
wiley   +1 more source

Flavin Catalysts in Organic Synthesis

open access: yesAngewandte Chemie, EarlyView.
Flavins and their congeners are potent catalysts for organic synthesis inspired by enzymatic transformations. In addition to catalysis in the flavin ground state via covalent intermediates, the excited singlet and triplet states unlock applications including photooxidation, photoreduction, and energy transfer via sensitization.
Jan Freudenberg, Golo Storch
wiley   +2 more sources

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