Results 61 to 70 of about 4,033 (225)
Effect of some pocess parameters in enzymatic dyeing of wool [PDF]
, 2003 This article reports on the dyeing of wool using an enzymatic system comprising laccase; dye precursor, 2,5- iaminobenzenesulfonic acid; and dye modifiers, catechol and resorcinol.
Oliveira, M. J. +4 more
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European Journal of Organic Chemistry, EarlyView.This electrochemical methodology allows the preparation of bridged tricyclic scaffolds through a rapid increase in the molecular complexity of simple and readily accessible starting materials. Alcohols proved to be the most efficient nucleophiles, as well as 6‐chloropurine. Plausibly, the process involves an anodic oxidative dearomatization to generate
Emanuele Cartamina +4 more
wiley +1 more source
Bienzymatic-based electrochemical DNA biosensors: a way to lower the detection limit of hybridization assays [PDF]
, 2009 5 pagesInternational audienceThe use of the alkaline phosphatase (AP) as enzyme label and the amplification of its analytical response with a diaphorase (DI) secondary enzyme were investigated in an electrochemical hybridization assay involving arrays of
Brossier, Pierre +3 more
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MoleculesThe Sc(OTf)3-catalyzed dearomative [5+1] annulations between readily available 3-aminophenols and O-alkyl ortho-oxybenzaldehydes were developed for synthesis of spiro[chromane-3,1′-cyclohexane]-2′,4′-dien-6′-ones.
Jia-Cheng Ge +5 more
doaj +1 more source
A personal 360° view of applications of ‘biomimetic’ molecular recognition
Journal of Chemical Technology &Biotechnology, EarlyView.Abstract Molecular recognition between biological molecules has formed the basis for innumerable applications in biotechnology for the last seven decades or so. Techniques such as affinity chromatography, solid‐phase and aqueous two‐phase extraction, affinity precipitation, biomimetic catalytic systems, biosensors and molecular imprinting all exploit ...
Christopher R Lowe
wiley +1 more source
Laccase: a green catalyst for the biosynthesis of poly-phenols [PDF]
, 2018 Laccases (benzene diol: oxidoreductases, EC 1.10.3.2) are able to catalyze the oxidation of various compounds containing phenolic and aniline structures using dissolved oxygen in water.
Anderson JS. +6 more
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Catalytic performance of Ag, Au and Ag-Au nanoparticles synthesized by lichen extract
Green Processing and Synthesis, 2018 In the present study, the green chemistry approach for the biosynthesis of Ag, Au and Ag-Au bimetallic nanoparticles (NPs) was applied using lichen extract [Cetraria islandica (L.) Ach.].
Çıplak Zafer +4 more
doaj +1 more source
Smart Molecules, EarlyView.HJA‐MQ‐D exhibits a rapid and sensitive response to viscosity changes based on the twisted intramolecular charge transfer mechanism. Displaying near‐infrared emission and excellent water‐solubility, enabling imaging at the cellular and whole plant level.
Yixue Feng +9 more
wiley +1 more source
Small Methods, EarlyView.Cations have a strong influence on the gold‐mediated reduction of 4‐nitrophenol. The catalytic activity increases with Li+ < Na+ << K+. ABSTRACT The catalytic reduction of 4‐nitrophenol to 4‐aminophenol is a widely used model reaction for water treatment and to evaluate the catalytic activity of nanomaterials.
Aleksandra Smolska +2 more
wiley +1 more source
Laccase-catalyzed polymerization for coating and material modification [PDF]
, 2006 The enzymatic polymerization and material modification with laccases is a promising technology especially for the coating of the natural and synthetic materials at mild conditions of temperature and pH [1].
Basto, Carlos +3 more
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