Electrostatic interactions in biological DNA-related systems

AG Cherstvy - Physical Chemistry Chemical Physics, 2011 - pubs.rsc.org
In this perspective article, we focus on recent developments in the theory of charge effects in
biological DNA-related systems. The electrostatic effects on different levels of DNA …

Strong and weak polyelectrolyte adsorption onto oppositely charged curved surfaces

RG Winkler, AG Cherstvy - Polyelectrolyte complexes in the dispersed and …, 2013 - Springer
Polyelectrolytes are macromolecules composed of charged monomers and exhibit unique
properties due to the interplay of their flexibility and electrostatic interactions. In solution …

Vibrational stark effect probes for nucleic acids

LN Silverman, ME Pitzer, PO Ankomah… - The Journal of …, 2007 - ACS Publications
The vibrational Stark effect (VSE) has proven to be an effective method for the study of
electric fields in proteins via the use of infrared probes. To explore the use of VSE in nucleic …

Molecular dynamics simulation of a RNA aptasensor

M Ruan, M Seydou, V Noel, B Piro… - The Journal of …, 2017 - ACS Publications
Single-stranded RNA aptamers have emerged as novel biosensor tools. However, the
immobilization procedure of the aptamer onto a surface generally induces a loss of affinity …

Solvent effects on the conformation of DNA dodecamer segment: A simulation study

X Shen, B Gu, SA Che, FS Zhang - The Journal of chemical physics, 2011 - pubs.aip.org
Different solvent temperatures with five kinds of counterions are used to investigate solvent
effects on the DNA microscopic structure. The dodecamer d (CGCGAATTCGCG) DNA …

A novel copper ion enhanced electrochemical DNA biosensor for the determination of epinephrine

Z Wang, J Chen, H Ma, Y Deng, Y Li, L Geng, Y Huang… - Talanta, 2024 - Elsevier
A novel electrochemical biosensor was developed for the detection of epinephrine (EP) by
immobilizing double-strand DNA (dsDNA) bound with copper ions on a gold electrode (Cu …

Electrostatics of DNA complexes with cationic lipid membranes

AG Cherstvy - The Journal of Physical Chemistry B, 2007 - ACS Publications
We present the exact solutions of the linear Poisson− Boltzmann equation for several
problems relevant to electrostatics of DNA complexes with cationic lipids. We calculate the …

Layering, bundling, and azimuthal orientations in dense phases of nucleosome core particles

AG Cherstvy, R Everaers - Journal of Physics: Condensed Matter, 2006 - iopscience.iop.org
We propose an idea how the helical pattern of charges on the surface of DNA can affect
electrostatic interactions of nucleosome core particles in their columnar and crystalline …

Interfering with DNA High‐Order Structures using Chiral Ruthenium (II) Complexes

S Zou, G Li, TW Rees, C Jin, J Huang… - … A European Journal, 2018 - Wiley Online Library
In this work, it was found that DNA can undergo B‐Z transformational changes and
compaction in the presence of DNA intercalators such as ruthenium (II) polypyridyl …

Effects of near infrared radiation on DNA. DLS and ATR-FTIR study

K Szymborska-Małek, M Komorowska… - … Acta Part A: Molecular …, 2018 - Elsevier
We presume that the primary effect of Near Infrared (NIR) radiation on aqueous solutions of
biological molecules concerns modification of hydrogen bonded structures mainly the global …