Heat-mediated optical manipulation

Z Chen, J Li, Y Zheng - Chemical reviews, 2021 - ACS Publications
Progress in optical manipulation has stimulated remarkable advances in a wide range of
fields, including materials science, robotics, medical engineering, and nanotechnology. This …

The soret effect in liquid mixtures–a review

W Köhler, KI Morozov - Journal of Non-Equilibrium Thermodynamics, 2016 - degruyter.com
The Soret effect describes diffusive motion that originates from a temperature gradient. It is
observed in mixtures of gases, liquids and even solids. Although there is a formal …

Thermal non-equilibrium transport in colloids

A Würger - Reports on Progress in Physics, 2010 - iopscience.iop.org
A temperature gradient acts like an external field on colloidal suspensions and drives the
solute particles to the cold or to the warm, depending on interfacial and solvent properties …

Thermal diffusion in liquid mixtures and polymer solutions

S Wiegand - Journal of Physics: Condensed Matter, 2004 - iopscience.iop.org
Thermodiffusion, also called thermal diffusion or the Ludwig–Soret effect, describes the
coupling between a temperature gradient and a resulting mass flux in a multicomponent …

Hypothermal opto-thermophoretic tweezers

PS Kollipara, X Li, J Li, Z Chen, H Ding, Y Kim… - Nature …, 2023 - nature.com
Optical tweezers have profound importance across fields ranging from manufacturing to
biotechnology. However, the requirement of refractive index contrast and high laser power …

Thermophoresis of biological and biocompatible compounds in aqueous solution

D Niether, S Wiegand - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
With rising popularity of microscale thermophoresis for the characterisation of protein-ligand
binding reactions and possible applications in microfluidic devices, there is a growing …

Transport of nanoscale latex spheres in a temperature gradient

SA Putnam, DG Cahill - Langmuir, 2005 - ACS Publications
We use a micrometer-scale optical beam deflection technique to measure the
thermodiffusion coefficient DT at room temperature (≈ 24° C) of dilute aqueous suspensions …

Thermodiffusion of charged colloids: Single-particle diffusion

JKG Dhont, S Wiegand, S Duhr, D Braun - Langmuir, 2007 - ACS Publications
An expression for the single-particle thermal diffusion coefficient of a charged colloidal
sphere is derived on the basis of force balance on the Brownian time scale in combination …

Temperature dependence of thermodiffusion in aqueous suspensions of charged nanoparticles

SA Putnam, DG Cahill, GCL Wong - Langmuir, 2007 - ACS Publications
Measurements of particle flows driven by temperature gradients are conducted as a function
of temperature on aqueous suspensions of polystyrene nanoparticles and proteins of T4 …

Optothermal molecule trap** by opposing fluid flow with thermophoretic drift

S Duhr, D Braun - Physical review letters, 2006 - APS
Thermophoresis moves molecules along temperature gradients, typically from hot to cold.
We superpose fluid flow with thermophoretic molecule flow under well-defined microfluidic …