Issue 47, 2020

Thermal properties of lipid bilayers derived from the transient heating regime of upconverting nanoparticles

Abstract

Heat transfer and thermal properties at the nanoscale can be challenging to obtain experimentally. These are potentially relevant for understanding thermoregulation in cells. Experimental data from the transient heating regime in conjunction with a model based on the energy conservation enable the determination of the specific heat capacities for all components of a nanoconstruct, namely an upconverting nanoparticle and its conformal lipid bilayer coating. This approach benefits from a very simple, cost-effective and non-invasive optical setup to measure the thermal parameters at the nanoscale. The time-dependent model developed herein lays the foundation to describe the dynamics of heat transfer at the nanoscale and were used to understand the heat dissipation by lipid bilayers.

Graphical abstract: Thermal properties of lipid bilayers derived from the transient heating regime of upconverting nanoparticles

Supplementary files

Article information

Article type
Paper
Submitted
29 sept. 2020
Accepted
24 nov. 2020
First published
24 nov. 2020

Nanoscale, 2020,12, 24169-24176

Thermal properties of lipid bilayers derived from the transient heating regime of upconverting nanoparticles

A. R. N. Bastos, C. D. S. Brites, P. A. Rojas-Gutierrez, R. A. S. Ferreira, R. L. Longo, C. DeWolf, J. A. Capobianco and L. D. Carlos, Nanoscale, 2020, 12, 24169 DOI: 10.1039/D0NR06989B

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