Results 121 to 130 of about 78,308 (305)

Axial Boron Coordination Reconstructs Stereostructure of Cu Single‐Atom Nanozymes for Efficient Water‐Phase Chemical Sensing

open access: yesAngewandte Chemie, EarlyView.
Sun et al. proposed an axial boron coordination strategy to reconstruct the stereostructure of Cu SAzymes and enable them to serve as efficient laccase mimics for high‐throughput smart sensor array detection of phenolic pollutants in water phases. ABSTRACT Developing single‐atom nanozymes with stereoconfigurations is a new paradigm for biomimetic ...
Qijun Sun   +8 more
wiley   +1 more source

Electrochemical Determination of Catechol Using a Disposable Printed Electrode with Conductive Ink Based on Graphite and Carbon Black

open access: yesAnalytica
Catechol (CT) is a phenolic compound widely used in various industrial sectors, but it is toxic; thus, there is a need for methods that aim to identify and quantify the existence of residues of this material in the environment. In this study a disposable
Sthephane Pereira de Oliveira   +3 more
doaj   +1 more source

Catechol 1,2-dioxygenase from Aspergillus niger: purification and properties

open access: yes, 1981
Catechol 1,2-dioxygenase (E.C. 1.13.1.1) was partially purified from Aspergillus niger . The effects of pH, temperature, metal ions and metal chelating agents on enzyme activity were studied.
Vaidyanathan, C. S., Ninnekar, H. Z.
core  

Catechol production estimated by colony arrest reversion.

open access: yes, 2016
Catechol production estimated by colony arrest reversion.
María Fernanda Pomares (129147)   +5 more
core   +1 more source

Borane‐Catalyzed Water Dehydrogenation at Dioxaphospholes and ‐Phospholanes

open access: yesAngewandte Chemie International Edition, EarlyView.
The borane‐catalyzed dehydrogenation of phenylphosphinate esters, which are formed from the reaction of dioxaphospholes and ‐phospholanes with water or air moisture under mild conditions, is reported. The mechanism of this transformation was investigated by kinetic measurements and DFT calculations, which indicate hydrogen elimination from a ...
Niklas Koch   +4 more
wiley   +1 more source

Síntese, caracterização e atividade de catecolase de complexos de cobre com ligantes tripodais [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.Muitas reações importantes para a manutenção dos sistemas biológicos são catalisadas por ...
Chaves, Cláudia Cristine Vidal
core  

Comprehensive Characterization of Acer truncatum Leaf Extract: Identification of Systemic Metabolites and Effects on Performance, Antioxidant Status, and Intestinal Microbiota in Laying Hens

open access: yesAnimal Research and One Health, EarlyView.
Dietary A. truncatum leaf extract is absorbed and improves laying performance in aged hens by enhancing systemic antioxidant capacity and modulating the gut microbiota. ABSTRACT The demand for natural feed additives is considerably increasing in the antibiotic‐free feed era.
Kailong Qin   +6 more
wiley   +1 more source

Density Functional Theory Study of Catechol Adhesion on Silica Surfaces

open access: yes, 2016
It has been speculated that the catechol (1,2-dihydroxybenzene) functionality of marine mussels is responsible for its strong and versatile adhesion on various wet surfaces.
Xingfa Gao (346532)   +5 more
core   +1 more source

Valorization of Textile Waste: Enzymatic Upcycling of Terephthalic Acid Toward a Sustainable PET Value Chain

open access: yesBiotechnology and Applied Biochemistry, EarlyView.
ABSTRACT The rapid expansion of the global textile industry, driven by the fast‐fashion paradigm, which is characterized by low‐cost, short‐lived garments made from inexpensive synthetic fibers, has intensified environmental pressures through increased waste generation, resource depletion, microplastic pollution, and greenhouse gas emissions ...
Fares Al‐Ostoot   +2 more
wiley   +1 more source

Sequential catalytic nanosystem of carbon dots and uricase integrated with polydopamine for therapy of gouty wound ulceration

open access: yesBMEMat, EarlyView.
Sequential dual‐catalytic treatment of the gout wound ulceration process by CDs‐Uri@PDA. (a) Synthesis steps and morphology of CDs‐Uri@PDA. (b) Sequential treatment process and mechanism of CDs‐Uri@PDA for gout wound ulceration according to (i) uric acid reduction, (ii) antibacterial activity, and (iii) anti‐inflammatory effects.
Yonglan Yang   +11 more
wiley   +1 more source

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