Micro- and nanorheology

Ashis Mukhopadhyay; Steve Granick

doi:10.1016/S1359-0294(01)00119-4

Micro- and nanorheology

Ashis Mukhopadhyay, Steve Granick

Materials Science and Engineering

Research output: Contribution to journal › Review article › peer-review

Abstract

'Microrheology', the determination of viscoelastic properties of soft media from the observed motion of microscopic-sized tracer particles, has undergone a recent surge of development because it allows access to an unprecedented range of frequency response with unprecedented spatial resolution. Several complementary techniques have been developed, but discrepancies have been found among different experiments especially in complex systems, and the validity of interpretation is under debate. 'Nanorheology' after explicit confinement of samples to variables thickness, 1 nm to 1 μm, is also enjoying rapid development, particularly nanorheology integrated with spectroscopy. Developments, limitations, and opportunities are discussed.

Original language	English (US)
Pages (from-to)	423-429
Number of pages	7
Journal	Current Opinion in Colloid and Interface Science
Volume	6
Issue number	5-6
DOIs	https://doi.org/10.1016/S1359-0294(01)00119-4
State	Published - Dec 19 2001

Keywords

Microrheology
Nanorheology
Soft matter spectroscopy
Viscoelastic

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces and Interfaces

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10.1016/S1359-0294(01)00119-4

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abstract = "'Microrheology', the determination of viscoelastic properties of soft media from the observed motion of microscopic-sized tracer particles, has undergone a recent surge of development because it allows access to an unprecedented range of frequency response with unprecedented spatial resolution. Several complementary techniques have been developed, but discrepancies have been found among different experiments especially in complex systems, and the validity of interpretation is under debate. 'Nanorheology' after explicit confinement of samples to variables thickness, 1 nm to 1 μm, is also enjoying rapid development, particularly nanorheology integrated with spectroscopy. Developments, limitations, and opportunities are discussed.",

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AB - 'Microrheology', the determination of viscoelastic properties of soft media from the observed motion of microscopic-sized tracer particles, has undergone a recent surge of development because it allows access to an unprecedented range of frequency response with unprecedented spatial resolution. Several complementary techniques have been developed, but discrepancies have been found among different experiments especially in complex systems, and the validity of interpretation is under debate. 'Nanorheology' after explicit confinement of samples to variables thickness, 1 nm to 1 μm, is also enjoying rapid development, particularly nanorheology integrated with spectroscopy. Developments, limitations, and opportunities are discussed.

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KW - Nanorheology

KW - Soft matter spectroscopy

KW - Viscoelastic

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