Abstract: Kinetic processes occurring with participation of metal or oxide nanoparticles (NPs) in solution near or inside nanochannels fabricated in a membrane can be influenced by van der Waals interaction with a membrane. In addition, hydrodynamic slowdown of NP diffusion may be important under such conditions. In applications, NPs of this category can be covered by a thin protein layer referred to as protein corona, which may prevent direct contact of NPs with a membrane. In this context, an analytical expression is presented for van der Waals interaction of a spherical NP with a membrane when a NP is located near or inside a cylindrical nanochannel at the channel axis. The interaction is shown to be often appreciable (much higher than the thermal energy) and strongly dependent on the coordinate. Taking this factor and slowdown of diffusion into account, a general expression for the permeability of a channel is derived.

Cite: Zhdanov V.P.
Nanoparticles in a Nanochannel: Van der Waals Interaction and Diffusion
Physics Letters A. 2017. V.381. N34. P.2832-2836. DOI: 10.1016/j.physleta.2017.06.048 WOS Scopus РИНЦ AN OpenAlex

Dates:

Submitted:	May 8, 2017
Accepted:	Jun 27, 2017
Published online:	Jul 3, 2017
Published print:	Sep 12, 2017

Identifiers:

Web of science:	WOS:000408180300011
Scopus:	2-s2.0-85023743651
Elibrary:	31067656
Chemical Abstracts:	2017:1128199
OpenAlex:	W2727086052

Citing:

DB	Citing
Web of science	9
Scopus	11
Elibrary	9
OpenAlex	11

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