Results 21 to 30 of about 5,391,787 (331)
Journal of Pharmaceutical Analysis, 2020 Recently emerged SARS-CoV-2 caused a major outbreak of coronavirus disease 2019 (COVID-19) and instigated a widespread fear, threatening global health safety.
M. Mirza, M. Froeyen
semanticscholar +1 more source
, 2016 A new acylated and triterpenoidal saponin, named GS1, was isolated from the roots of Gypsophila arrostii Guss. On the basis of acid hydrolysis, comprehensive spectroscopic analyses and comparison with spectral data of known compounds, its structure was ...
Arslan, I
core +2 more sources
Software Tools and Approaches for Compound Identification of LC-MS/MS Data in Metabolomics. [PDF]
, 2018 The annotation of small molecules remains a major challenge in untargeted mass spectrometry-based metabolomics. We here critically discuss structured elucidation approaches and software that are designed to help during the annotation of unknown compounds.
Blaženović, Ivana +3 more
core +3 more sources
Structure elucidation of polyheptazine imide by electron diffraction — a templated 2D carbon nitride networkw [PDF]
, 2009 Structure elucidation of a condensed carbon IV) nitride with a stoichiometry close to C3N4 by electron diffraction reveals a two-dimensional planar heptazine-based network containing isolated melamine molecules in the trigonal ...
Döblinger, Markus +5 more
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Modal Considerations on Information Processing and Computation in the Nervous System [PDF]
, 2013 We can characterize computationalism very generally as a complex thesis with two main parts: the thesis that the brain (or the nervous system) is a computational system and the thesis that neural computation explains cognition.
Wajnerman Paz, Abel
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Spectral Analyses and Structural Elucidation of Azilsartan
Chinese Journal of Magnetic Resonance, 2019 Azilsartan is a novel AT-1 angiotensin Ⅱ receptor blocker, which reduces blood pressure mildly without the side effect of cough. The drug is believed to have a large market potential. In this study, the drug was analyzed by ultraviolet spectroscopy (UV),
WANG Ya-lan +2 more
doaj +1 more source
A solution NMR approach to determine the chemical structures of carbohydrates using the hydroxyl groups as starting points [PDF]
, 2018 An efficient NMR approach is described for determining the chemical structures of the monosaccharide glucose and four disaccharides, namely, nigerose, gentiobiose, leucrose and isomaltulose.
Bauer, Julia +3 more
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Spectral Analysis and Structural Elucidation of Luliconazole
Chinese Journal of Magnetic Resonance, 2018 Infrared spectra, ultraviolet spectra, nuclear magnetic resonance (NMR) spectra (i.e., 1H NMR, 13C NMR, DEPT135, 1H-1H COSY, 1H-13C HMQC and 1H-13C HMBC) and mass spectra of luliconazole were collected and used to characterize the compound.
LIN Yun-liang +3 more
doaj +1 more source
5-Hydroxy-3-(4-hydroxyphenyl)-8,8-dimethyl-6- (3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one [PDF]
, 2018 Natural and semi-synthetic compounds are being studied as novel phosphodiesterase 5 (PDE5) inhibitors for the treatment of erectile dysfunction, pulmonary hypertension, and lower urinary symptoms.
Ongaro, Alberto +2 more
core +1 more source
New Dammarane Triterpenoids, Caffruones A–D, from the Cherries of Coffea arabica
Natural Products and Bioprospecting, 2018 In present study, four new dammarane-type triterpenoids, namely caffruones A–D (1–4), were isolated from the cherries of Coffea arabica. Their structures were elucidated by extensive spectroscopic analysis including 1D, 2D NMR (HSQC, HMBC, 1H–1H COSY ...
Xia Wang +4 more
doaj +1 more source