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Issue 23, 2012
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Microrheology of biomaterial hydrogelators

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Microrheology uses the motion of dispersed colloidal probe particles to measure the viscosity or viscoelastic moduli of soft materials. The distinct advantages of microrheology include small sample volume requirements, access to a large range of time scales for the dynamic response and short acquisition times. These advantages make microrheology important for studies of biomaterial hydrogelators. Recent advances have enabled the precise characterization of hydrogelator sol–gel transitions, measurements of rare and scarce materials and high-throughput screening of hydrogel rheology over a large composition space. In this review, we focus on multiple particle tracking microrheology, including the considerations that define its operating regimes and its recent applications. Those interested in biomaterial rheology will find these methods as accessible as bulk rheological measurements and straightforward to implement in their own work.

Graphical abstract: Microrheology of biomaterial hydrogelators

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Publication details

The article was received on 24 Jan 2012, accepted on 22 Mar 2012 and first published on 16 Apr 2012

Article type: Emerging Area
DOI: 10.1039/C2SM25187F
Soft Matter, 2012,8, 6198-6205

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    Microrheology of biomaterial hydrogelators

    K. M. Schultz and E. M. Furst, Soft Matter, 2012, 8, 6198
    DOI: 10.1039/C2SM25187F

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