Electrical biosensing with synthetic nanopores and nanochannels

E Angeli, L Repetto, G Firpo, U Valbusa - Current Opinion in …, 2021 - Elsevier
The integration of constriction structures such as nanopores and nanochannels into fluidic
devices discloses powerful biosensing capabilities that can be tuned to a wide range of …

Inverted critical adsorption of polyelectrolytes in confinement

SJ De Carvalho, R Metzler, AG Cherstvy - Soft Matter, 2015 - pubs.rsc.org
What are the fundamental laws for the adsorption of charged polymers onto oppositely
charged surfaces, for convex, planar, and concave geometries? This question is at the heart …

Escape dynamics of active ring polymers in a cylindrical nanochannel

C Li, Q Chen, M Ding - Soft Matter, 2024 - pubs.rsc.org
We explore the escape dynamics of active ring polymers confined in a cylindrical
nanochannel using Brownian dynamics. Our simulation results show that the escape time …

Enhancing the efficiency of energy harvesting from salt gradient with ion-selective nanochannel

Y Zhang, Z Huang, Y He, X Miao - Nanotechnology, 2019 - iopscience.iop.org
The development of a nanofluidic energy harvesting system plays a fundamental role in
harvesting osmotic power from Gibbs free energy within the salt concentration gradient …

Statistical properties of a slit-confined wormlike chain of finite length

Y Teng, NT Andersen, JZY Chen - Macromolecules, 2021 - ACS Publications
The wormlike-chain model is commonly used to describe the statistical properties of DNA
and liquid-crystal polymers. Following the Green's function approach, here we present the …

A nanochannel through a plasmonic antenna gap: an integrated device for single particle counting

I Fernandez-Cuesta, MM West, E Montinaro… - Lab on a Chip, 2019 - pubs.rsc.org
Plasmonic nanoantennas are ideal for single molecule detection since they nano-focus the
light beyond diffraction and enhance the optical fields by several orders of magnitude. But …

Simultaneous electro-optical tracking for nanoparticle recognition and counting

E Angeli, A Volpe, P Fanzio, L Repetto, G Firpo… - Nano …, 2015 - ACS Publications
We present the first detailed experimental observation and analysis of nanoparticle
electrophoresis through a nanochannel obtained with synchronous high-bandwidth …

Direct observation of the mechanical role of bacterial chaperones in protein folding

D Chaudhuri, S Banerjee, S Chakraborty… - …, 2022 - ACS Publications
Protein folding under force is an integral source of generating mechanical energy in various
cellular processes, ranging from protein translation to degradation. Although chaperones …

Free energy of a folded semiflexible polymer confined to a nanochannel of various geometries

JM Polson - Macromolecules, 2018 - ACS Publications
Monte Carlo simulations are used to study the conformational properties of a folded
semiflexible polymer confined to a long channel. We measure the variation in the …

DsbA is a redox-switchable mechanical chaperone

EC Eckels, D Chaudhuri, S Chakraborty… - Chemical …, 2021 - pubs.rsc.org
DsbA is a ubiquitous bacterial oxidoreductase that associates with substrates during and
after translocation, yet its involvement in protein folding and translocation remains an open …