Results 11 to 20 of about 316,659 (284)
Calculating Hyperfine Couplings in Large Ionic Crystals Containing Hundreds of QM Atoms: Subsystem DFT is the Key [PDF]
, 2013 We present an application of the linear scaling Frozen Density Embedding (FDE) formulation of subsystem DFT to the calculation of isotropic hyperfine coupling constants (hfccs) of atoms belonging to a guanine radical cation embedded in a guanine ...
Close, David M. +3 more
core +1 more source
Crystals, 2022 The study of crystal structures based on complexes containing purine nucleobases is a significant research subject, mainly regarding the diagnosis and treatment of some diseases and the investigation of genetic mutations and biochemical structures in ...
Marta Orts-Arroyo +3 more
doaj +1 more source
Nickel(II)-catalysed oxidative guanine and DNA damage beyond 8-oxoguanine [PDF]
, 2007 Oxidative DNA damage is one of the most important and most studied mechanisms of disease. It has been associated with a range of terminal diseases such as cancer, heart disease, hepatitis, and HIV, as well as with a variety of everyday ailments.
Kelly, Michele C. +3 more
core +1 more source
Eco-Friendly Synthesis of Nitrogen-Doped Mesoporous Carbon for Supercapacitor Application
C, 2018 A sustainable and simple synthesis procedure involving the co-assembly of green phenolic resin and amphiphilic polymer template in water/ethanol mixture at room temperature to synthesize nitrogen doped mesoporous carbon is reported herein.
Georges Moussa +4 more
doaj +1 more source
Frontiers in Pharmacology, 2018 Mounting evidence suggests that the guanine-based purines stand out as key player in cell metabolism and in several models of neurodegenerative disorders, such as Parkinson’s and Alzheimer’s diseases.
Mariachiara Zuccarini +18 more
doaj +1 more source
Molecules, 2023 Quadruplexes (GQs), peculiar DNA/RNA motifs concentrated in specific genomic regions, play a vital role in biological processes including telomere stability and, hence, represent promising targets for anticancer therapy. GQs are formed by folding guanine-
Nikoleta Kircheva +5 more
doaj +1 more source
Structure and singly occupied molecular orbital analysis of anionic tautomers of guanine [PDF]
, 2008 Recently we reported the discovery of adiabatically bound anions of guanine which might be involved in the processes of DNA damage by low-energy electrons and in charge transfer through DNA.
Abdoul-Carime +42 more
core +1 more source
Structure of isolated biomolecules by electron diffraction-laser desorption: uracil and guanine [PDF]
, 2009 We report the structure of isolated biomolecules, uracil and guanine, demonstrating the capability of a newly developed electron diffraction apparatus augmented with surface-assisted IR laser desorption.
Gahlmann, Andreas +2 more
core +1 more source
Infrared Spectral Signatures of Nucleobases in Interstellar Ices I: Purines
Life, 2023 The purine nucleobases adenine and guanine are complex organic molecules that are essential for life. Despite their ubiquitous presence on Earth, purines have yet to be detected in observations of astronomical environments.
Caroline Antunes Rosa +11 more
doaj +1 more source
Fluorescent turn-on probes for wash-free mRNA imaging via covalent site-specific enzymatic labeling. [PDF]
, 2017 Investigating the many roles RNA plays in cellular regulation and function has increased demand for tools to explore RNA tracking and localization within cells.
Alexander, Seth C +2 more
core +2 more sources