Results 21 to 30 of about 27,432 (257)

Impurity Profiling of Dinotefuran by High Resolution Mass Spectrometry and SIRIUS Tool

open access: yesMolecules, 2022
Dinotefuran (DNT) is a neonicotinoid insecticide widely used in pest control. Identification of structurally related impurities is indispensable during material purification and pesticide registration and certified reference material development, and ...
Xianjiang Li   +5 more
doaj   +1 more source

Ilm-NMR-P31: an open-access 31P nuclear magnetic resonance database and data-driven prediction of 31P NMR shifts

open access: yesJournal of Cheminformatics, 2023
This publication introduces a novel open-access 31P Nuclear Magnetic Resonance (NMR) shift database. With 14,250 entries encompassing 13,730 distinct molecules from 3,648 references, this database offers a comprehensive repository of organic and ...
Jasmin Hack   +7 more
doaj   +1 more source

Mass Spectrometry in the Elucidation of the Glycoproteome of Bacterial Pathogens [PDF]

open access: yes, 2010
Presently some three hundred post-translational modifications are known to occur in bacteria in vivo. Many of these modifications play critical roles in the regulation of proteins and control key biological processes.
Graham, Robert L. J., Hess, Sonja
core   +1 more source

Differentiating signals to make biological sense – a guide through databases for MS-based non-targeted metabolomics [PDF]

open access: yes, 2017
Metabolite identification is one of the most challenging steps in metabolomics studies and reflects one of the greatest bottlenecks in the entire workflow.
Armitage, Emily Grace   +4 more
core   +1 more source

Lectin ligands: New insights into their conformations and their dynamic behavior and the discovery of conformer selection by lectins [PDF]

open access: yes, 1998
The mysteries of the functions of complex glycoconjugates have enthralled scientists over decades. Theoretical considerations have ascribed an enormous capacity to store information to oligosaccharides, In the interplay with lectins sugar-code words of ...
Bovin, N. V.   +11 more
core   +4 more sources

Logic Structure Determination (LSD) as a Computer Assisted Structure Elucidation (CASE) for Molecular Structure Determination of Cytotoxic Cembranoids from Soft Coral

open access: yesSqualen, 2016
Indonesian tropical soft corals are valuable resources that produce pharmacological cytotoxic cembranoids. However,  the manual structure determination in these compounds requires adequate knowledge of organic chemistry.
Hedi Indra Januar   +3 more
doaj   +1 more source

Computer Assisted Structure Elucidation (CASE): Current and future perspectives [PDF]

open access: yesMagnetic Resonance in Chemistry, 2020
Abstract The first efforts for the development of methods for Computer‐Assisted Structure Elucidation (CASE) were published more than 50 years ago. CASE expert systems based on one‐dimensional (1D) and two‐dimensional (2D) Nuclear Magnetic Resonance (NMR) data have matured considerably by now.
Mikhail Elyashberg   +1 more
openaire   +2 more sources

Graph theoretic methods for the analysis of structural relationships in biological macromolecules [PDF]

open access: yes, 2005
Subgraph isomorphism and maximum common subgraph isomorphism algorithms from graph theory provide an effective and an efficient way of identifying structural relationships between biological macromolecules.
Altschul   +72 more
core   +3 more sources

Building blocks for automated elucidation of metabolites: Machine learning methods for NMR prediction

open access: yesBMC Bioinformatics, 2008
Background Current efforts in Metabolomics, such as the Human Metabolome Project, collect structures of biological metabolites as well as data for their characterisation, such as spectra for identification of substances and measurements of their ...
Neumann Steffen   +3 more
doaj   +1 more source

Sequential application of ligand and structure based modeling approaches to index chemicals for their hH4R antagonism. [PDF]

open access: yesPLoS ONE, 2014
The human histamine H4 receptor (hH4R), a member of the G-protein coupled receptors (GPCR) family, is an increasingly attractive drug target. It plays a key role in many cell pathways and many hH4R ligands are studied for the treatment of several ...
Matteo Pappalardo   +7 more
doaj   +1 more source

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