Results 81 to 90 of about 629,880 (409)
Development and validation of a HPLC/FLD method combined with online derivatization for the simple and simultaneous determination of trace amino acids and alkyl amines in continental and marine aerosols. [PDF]
PLoS ONE, 2018 A method was developed for simultaneous determination of 15 amino acids and 7 alkyl amines. The method was based on the employment of high performance liquid chromatography/fluorescence detection and online derivatization with o-phthaldiadehyde.
Xiongfeng Huang +4 more
doaj +1 more source
Stabilized unsaturated polyesters [PDF]
, 1985 An unsaturated polyester, such as propylene glycolmaleic acid phthalic acid prepolymer dissolved in styrene is interpolymerized with an ultraviolet absorber and/or an antioxidant.
Borsig, E., Vogl, O.
core +1 more source
Copper-Catalyzed Trifluoromethylation of Alkyl Bromides.
Journal of the American Chemical Society, 2019 Copper oxidative addition into organohalides is a challenging two-electron process. In contrast, formal oxidative addition of copper to Csp2 carbon-bromine bonds can be accomplished by employing latent silyl radicals under photoredox conditions.
David J. P. Kornfilt, D. MacMillan
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.Symmetric selenium‐substituted CB‐2Se forms a highly ordered, kaleidoscope‐like 3D single‐crystal structure with enhanced intermolecular interactions, enabling solution‐processed single‐crystal‐like thin film, which transitions from a kinetically trapped face‐on π–π stacking orientation to a thermodynamically stable edge‐on configuration upon thermal ...
Kuo‐Hsiu Huang +16 more
wiley +1 more source
Synthesis of long-chain alkyl and alkenyl bromides
Journal of Lipid Research, 1966 Long-chain alkyl and alkenyl bromides are obtained in quantitative yields by the reaction of methanesulfonates with anhydrous magnesium bromide in absolute ether; cis-trans isomerization of double bonds does not occur.
Wolfgang J. Baumann, Helmut K. Mangold
doaj
Structural transformations in poly(di-n-alkylsiloxane)s with alkyl side groups containing 7 to 10 carbon atoms [PDF]
, 1995 Temperature dependent X-ray diffraction studies of poly(di-n-alkylsiloxane)s substituted with side chains containing 7 to 10 carbon atoms have been carried out in order to elucidate the crystalline structure of these materials. In contrast to their lower
Klok, Harm-Anton +3 more
core +2 more sources
Antimicrobial and antioxidant properties of phenolic acids alkyl esters
, 2018 Some phenolic acids alkyl esters (methyl, ethyl, propyl, butyl and hexyl) and determine their antioxidant and antimicrobial activities were prepared. The antimicrobial activity against the tested microorganisms Escherichia coli DMF 7503, Bacillus cereus ...
R. Merkl +3 more
semanticscholar +1 more source
Analyzing Electronic Excitations and Exciton Binding Energies in Y6 Films
Advanced Functional Materials, EarlyView.The Y6 molecule is used for increasing the efficiency of organic solar cells. The exciton binding energy is calculated for ensembles of Y6 molecules that are representative of the typically used films. The calculations show that the excitons typically spread out over many molecules.
Sahar Javaid Akram +2 more
wiley +1 more source
Functionalizing Graphene Oxide with Alkylamine by Gamma-ray Irradiation Method
Nanomaterials, 2017 A gamma-ray irradiation technique was used to functionalize graphene oxide (GO) with alkylamines of various alkyl chain lengths. Functionalization of the alkyl chains onto the GO was confirmed by nuclear magnetic resonance (1H NMR), Fourier transform ...
Noraniza Ahmad Daud +5 more
doaj +1 more source
Tertiary Alcohols as Radical Precursors for the Introduction of Tertiary Substituents into Heteroarenes [PDF]
, 2019 Despite many recent advances in the radical alkylation of electron-deficient heteroarenes since the seminal reports by Minisci and co-workers, methods for the direct incorporation of tertiary alkyl substituents into nitrogen heteroarenes are limited ...
Fishman, DA +3 more
core +2 more sources