Results 51 to 60 of about 97,747 (236)
Hydroxylations of Biphenyl by Fungi [PDF]
Journal of Applied Bacteriology, 1980 Sixty‐six species of fungi were screened for their ability to hydroxylate biphenyl. Thin‐layer and gas chromatographic analyses indicated that seven organisms actively hydroxylated this substrate. Of particular interest were Cunninghamella echinulata ATCC 9244 which produced 4‐hydroxybiphenyl as the major metabolite, Helicostylum piriforme QM 6945 ...
A. M. Clark +3 more
openaire +3 more sources
Interaction of W(CO)$_6$ with SiO$_2$ Surfaces -- A Density Functional Study [PDF]
Phys. Rev. B 84, 205442 (2011), 2011 The interaction of tungsten hexacarbonyl W(CO)$_6$ precursor molecules with SiO$_2$ substrates is investigated by means of density functional theory calculations with and without inclusion of long range van der Waals interactions. We consider two different surface models, a fully hydroxylated and a partially hydroxylated SiO$_2$ surface, corresponding ...
arxiv +1 more source
Impaired hydroxylation of 5-methylcytosine in myeloid cancers with mutant TET2
Nature, 2010 TET2 is a close relative of TET1, an enzyme that converts 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC) in DNA. The gene encoding TET2 resides at chromosome 4q24, in a region showing recurrent microdeletions and copy-neutral loss of ...
M. Ko +19 more
semanticscholar +1 more source
Impact of OH-groups on the mobility of linkers and guests in UiO-66 (Zr) [PDF]
arXiv, 2021 UiO-66 (Zr) is a metal-organic framework known for its thermal and chemical stability and wide range of possible applications. In particular, this material has high separation selectivity of various hydrocarbon mixtures. Moreover, it is was shown that the performance depends on the hydroxylation state of material (reversible phase transition $Zr_{6}O_ ...
arxiv
Structural and Electronic Properties of Oxidized Graphene [PDF]
Physical Review Letters 103, 086802 (2009)., 2009 We have systematically investigated the effect of oxidation on the structural and electronic properties of graphene based on first-principles calculations. Energetically favorable atomic configurations and building blocks are identified, which contain epoxide and hydroxyl groups in close proximity with each other.
arxiv +1 more source
Biomedical Papers, 2015 Background: We studied the interaction of oxaliplatin derivatives involving cytotoxic adenine-based cyclin-dependent kinase inhibitors, with human liver microsomal cytochrome P450. Methods and Results: The activities of 9 human liver microsomal CYP forms
Vlastimil Masek +6 more
doaj +1 more source
Regioselective Biocatalytic Hydroxylation of Fatty Acids by Cytochrome P450s
Catalysis Letters, 2018 Cytochrome P450 enzymes catalyze a broad set of C–H activation reactions, the most prominent being hydroxylation. This review provides an overview of the regioselectivity (CH3-terminal, in-chain, and carboxylate-terminal) and the optical purity of the ...
Lucas Hammerer, C. Winkler, W. Kroutil
semanticscholar +1 more source
Excited-state hydroxyl maser catalogue from the methanol multibeam survey -- I. Positions and Variability [PDF]
, 2016 We present the results of the first complete unbaised survey of the Galactic Plane for 6035-MHz excited-state hydroxyl masers undertaken as part of the Methanol Multibeam Survey. These observations cover the Galactic longitude ranges $186^{\circ}< l < 60^{\circ}$ including the Galactic Centre.
arxiv +1 more source
Repair of magnetism in oxidized graphene nanoribbons [PDF]
Chemical Physics Letters 501:396-399 (2011), 2010 Novel route for the establishing of magnetism in realistic oxidized graphene nanoribbons is proposed. Modelling of the migration of hydroxyl groups from central part to the zig-zag edges of graphene nanoribbons passivated by oxygen are performed with using density functional theory.
arxiv +1 more source
Recombination of Geminate (OH,eaq-) Pairs in Concentrated Alkaline Solutions: Lack of Evidence For Hydroxyl Radical Deprotonation [PDF]
, 2004 Picosecond dynamics of hydrated electrons and hydroxyl radicals generated in 200 nm photodissociation of aqueous hydroxide and 400 nm (3-photon) ionization of water in concentrated alkaline solutions were obtained. No deprotonation of hydroxyl radicals was observed on sub-nanosecond time scale, even in 1-10 M KOH solutions. This result is completely at
arxiv +1 more source