Controlled propulsion of micro/nanomotors: operational mechanisms, motion manipulation and potential biomedical applications

T Liu, L Xie, CAH Price, J Liu, Q He… - Chemical Society Reviews, 2022 - pubs.rsc.org
Inspired by natural mobile microorganisms, researchers have developed micro/nanomotors
(MNMs) that can autonomously move by transducing different kinds of energies into kinetic …

Diffusion coefficient of a Brownian particle in equilibrium and nonequilibrium: Einstein model and beyond

J Spiechowicz, IG Marchenko, P Hänggi, J Łuczka - Entropy, 2022 - mdpi.com
The diffusion of small particles is omnipresent in many processes occurring in nature. As
such, it is widely studied and exerted in almost all branches of sciences. It constitutes such a …

Dispersive transport dynamics in porous media emerge from local correlations

FJ Meigel, T Darwent, L Bastin, L Goehring… - Nature …, 2022 - nature.com
Understanding and controlling transport through complex media is central for a plethora of
processes ranging from technical to biological applications. Yet, the effect of micro-scale …

A review of micromotors in confinements: Pores, channels, grooves, steps, interfaces, chains, and swimming in the bulk

Z Xiao, M Wei, W Wang - ACS applied materials & interfaces, 2018 - ACS Publications
One of the recent frontiers of nanotechnology research involves machines that operate at
nano-and microscales, also known as nano/micromotors. Their potential applications in …

Fluidic bacterial diodes rectify magnetotactic cell motility in porous environments

N Waisbord, A Dehkharghani, JS Guasto - Nature communications, 2021 - nature.com
Directed motility enables swimming microbes to navigate their environment for resources via
chemo-, photo-, and magneto-taxis. However, directed motility competes with fluid flow in …

Particle dynamics and transport enhancement in a confined channel with position-dependent diffusivity

Y Li, R Mei, Y Xu, J Kurths, J Duan… - New Journal of …, 2020 - iopscience.iop.org
This work focuses on the dynamics of particles in a confined geometry with position-
dependent diffusivity, where the confinement is modelled by a periodic channel consisting of …

In situ electrodeposition of gold nanostructures in 3D ultra‐thin hydrogel skins for direct molecular detection in complex mixtures with high sensitivity

IB Ansah, S Kim, JY Yang, CW Mun… - Laser & Photonics …, 2021 - Wiley Online Library
Surface‐enhanced Raman spectroscopy (SERS) based on nanostructured metals has
promise as a nondestructive tool for sensitive molecular detection. However, metal surfaces …

Active control of dispersion within a channel with flow and pulsating walls

S Marbach, K Alim - Physical Review Fluids, 2019 - APS
Channels are fundamental building blocks from biophysics to soft robotics, often used to
transport or separate solutes. As solute particles inevitably transverse between streamlines …

Optimizing Brownian escape rates by potential shaping

M Chupeau, J Gladrow… - Proceedings of the …, 2020 - National Acad Sciences
Brownian escape is key to a wealth of physico-chemical processes, including polymer
folding and information storage. The frequency of thermally activated energy barrier …

Direct detection of molecular intermediates from first-passage times

AL Thorneywork, J Gladrow, Y Qing, M Rico-Pasto… - Science …, 2020 - science.org
All natural phenomena are governed by energy landscapes. However, the direct
measurement of this fundamental quantity remains challenging, particularly in complex …