How the Chalcogen Atom Size Dictates the Hydrogen‐Bond Donor Capability of Carboxamides, Thioamides, and Selenoamides
C Nieuwland, C Fonseca Guerra - Chemistry–A European …, 2022 - Wiley Online Library
The amino groups of thio‐and selenoamides can act as stronger hydrogen‐bond donors
than of carboxamides, despite the lower electronegativity of S and Se. This phenomenon …
than of carboxamides, despite the lower electronegativity of S and Se. This phenomenon …
Understanding chemistry with the symmetry‐decomposed Voronoi deformation density charge analysis
C Nieuwland, P Vermeeren… - Journal of …, 2023 - Wiley Online Library
The symmetry‐decomposed Voronoi deformation density (VDD) charge analysis is an
insightful and robust computational tool to aid the understanding of chemical bonding …
insightful and robust computational tool to aid the understanding of chemical bonding …
Structural Insights into the Antiparallel G-Quadruplex in the Presence of K+ and Mg2+ Ions
SD Bali, M Ahsan… - The Journal of Physical …, 2023 - ACS Publications
G-Quadruplex (GQ) is a secondary structural unit of DNA, formed at the telomere region of
the chromosome with a high guanine content. It is reported that the GQs can hinder many …
the chromosome with a high guanine content. It is reported that the GQs can hinder many …
Chalcogen Atom Size Dictates Stability of Benzene‐1, 3, 5‐triamide Polymers: Overlooked Role of Geometrical Fit for Enhanced Hydrogen Bonding
C Nieuwland, S Lekanne Deprez… - … A European Journal, 2023 - Wiley Online Library
Our quantum chemical analyses elucidated how the replacement of O in the amide bonds of
benzene‐1, 3‐5‐tricarboxamides (OBTAs) with the larger chalcogens S and Se enhances …
benzene‐1, 3‐5‐tricarboxamides (OBTAs) with the larger chalcogens S and Se enhances …
B‐DNA Structure and stability: The role of nucleotide composition and order
We have quantum chemically analyzed the influence of nucleotide composition and
sequence (that is, order) on the stability of double‐stranded B‐DNA triplets in aqueous …
sequence (that is, order) on the stability of double‐stranded B‐DNA triplets in aqueous …
Semi-empirical and linear-scaling DFT methods to characterize duplex DNA and G-quadruplexes in the presence of interacting small molecules
IO de Luzuriaga, S Elleuchi, K Jarraya… - Physical Chemistry …, 2022 - pubs.rsc.org
The computational study of DNA and its interaction with ligands is a highly relevant area of
research, with significant consequences for developing new therapeutic strategies …
research, with significant consequences for developing new therapeutic strategies …
Understanding the influence of alkali cations and halogen anions on the cooperativity of cyclic hydrogen‐bonded rosettes in supramolecular stacks
AN Petelski, C Fonseca Guerra - Chemistry–An Asian Journal, 2022 - Wiley Online Library
Hydrogen‐bonded supramolecular systems are known to obtain extra stabilization from the
complexation with ions, like guanine quadruplex (GQ). They experience strong hydrogen …
complexation with ions, like guanine quadruplex (GQ). They experience strong hydrogen …
Ion-Dependent Conformational Plasticity of Telomeric G-Hairpins and G-Quadruplexes
Telomeric DNA is guanine-rich and can adopt structures such as G-quadruplexes (GQs) and
G-hairpins. Telomeric GQs influence genome stability and telomerase activity, making …
G-hairpins. Telomeric GQs influence genome stability and telomerase activity, making …
Solid-state structures of some fluorescent macrocyclic complexes of alkali metal ions studied by single-crystal X-ray diffraction studies, vibrational spectroscopy and …
N Ghildiyal - Journal of Inclusion Phenomena and Macrocyclic …, 2024 - Springer
The aim of this review is to compile important results of single-crystal X-ray diffraction
method, vibrational and NMR studies conducted on alkali metal ion complexes of some …
method, vibrational and NMR studies conducted on alkali metal ion complexes of some …
Forever young: Structural stability of telomeric guanine quadruplexes in the presence of oxidative DNA lesions
Human telomeric DNA, in G‐quadruplex (G4) conformation, is characterized by a
remarkable structural stability that confers it the capacity to resist to oxidative stress …
remarkable structural stability that confers it the capacity to resist to oxidative stress …