Understanding nucleic acid–ion interactions

J Lipfert, S Doniach, R Das… - Annual review of …, 2014 - annualreviews.org
Ions surround nucleic acids in what is referred to as an ion atmosphere. As a result, the
folding and dynamics of RNA and DNA and their complexes with proteins and with each …

Polyelectrolyte properties of filamentous biopolymers and their consequences in biological fluids

PA Janmey, DR Slochower, YH Wang, Q Wen… - Soft matter, 2014 - pubs.rsc.org
Anionic polyelectrolyte filaments are common in biological cells. DNA, RNA, the cytoskeletal
filaments F-actin, microtubules, and intermediate filaments, and polysaccharides such as …

Why double-stranded RNA resists condensation

IS Tolokh, SA Pabit, AM Katz, Y Chen… - Nucleic acids …, 2014 - academic.oup.com
The addition of small amounts of multivalent cations to solutions containing double-stranded
DNA leads to inter-DNA attraction and eventual condensation. Surprisingly, the …

Ion distributions around left-and right-handed DNA and RNA duplexes: a comparative study

F Pan, C Roland, C Sagui - Nucleic acids research, 2014 - academic.oup.com
The ion atmosphere around nucleic acids is an integral part of their solvated structure.
However, detailed aspects of the ionic distribution are difficult to probe experimentally, and …

Electrostatic self-assembling formation of Pd superlattice nanowires from surfactant-free ultrathin Pd nanosheets

C Hu, K Lin, X Wang, S Liu, J Yi, Y Tian… - Journal of the …, 2014 - ACS Publications
A facile method has been developed for face-to-face assembly of two-dimensional surfactant-
free Pd nanosheets into one-dimensional Pd superlattice nanowires. The length of the Pd …

Counterion condensation on spheres in the salt-free limit

DAJ Gillespie, JE Hallett, O Elujoba, AFC Hamzah… - Soft Matter, 2014 - pubs.rsc.org
A highly-charged spherical colloid in a salt-free environment exerts such a powerful
attraction on its counterions that a certain fraction condenses onto the surface of a particle …

Polyelectrolyte hydrogels for replacement and regeneration of biological tissues

HJ Kwon, K Yasuda, JP Gong, Y Ohmiya - Macromolecular Research, 2014 - Springer
Polyelectrolyte gels are charged polymer networks with macro-ions fixed on the polymer
chains. These gels have considerable potential for biological applications such as cellular …

Keeping time: Could quantum beating in microtubules be the basis for the neural synchrony related to consciousness?

TJA Craddock, A Priel, JA Tuszynski - Journal of integrative …, 2014 - World Scientific
This paper discusses the possibility of quantum coherent oscillations playing a role in
neuronal signaling. Consciousness correlates strongly with coherent neural oscillations …

[HTML][HTML] Excluded volume and ion-ion correlation effects on the ionic atmosphere around B-DNA: Theory, simulations, and experiments

Z Ovanesyan, B Medasani, MO Fenley… - The Journal of …, 2014 - pubs.aip.org
The ionic atmosphere around a nucleic acid regulates its stability in aqueous salt solutions.
One major source of complexity in biological activities involving nucleic acids arises from the …

Thermodynamic signature of secondary nano-emulsion formation by isothermal titration calorimetry

I Fotticchia, T Fotticchia, CA Mattia, PA Netti… - Langmuir, 2014 - ACS Publications
The stabilization of oil in water nano-emulsions by means of a polymer coating is extremely
important; it prolongs the shelf life of the product and makes it suitable for a variety of …