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The mechanical properties of soft biological tissues are essential to their physiological function and cannot easily be duplicated by synthetic materials. Unlike simple polymer gels, many biologicalâ€¦ (More)

- Alan C. W. Lau, Brendan D Hoffman, A. C. Davies, John C Crocker, Tom C. Lubensky
- Physical review letters
- 2003

We report the first measurements of the intrinsic strain fluctuations of living cells using a recently developed tracer correlation technique along with a theoretical framework for interpreting suchâ€¦ (More)

- LydÃ©ric Bocquet, Wolfgang Losert, Dana L. Schalk, Tom C. Lubensky, Jerry P. Gollub
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We analyze the main features of granular shear flow through experimental measurements in a Couette geometry and a comparison to a locally Newtonian, continuum model of granular flow. The model isâ€¦ (More)

We model membrane proteins as anisotropic objects characterized by symmetric-traceless tensors and determine the coupling between these orderparameters and membrane curvature. We consider theâ€¦ (More)

- Dechun Chen, Eric R Weeks, +6 authors A. G. Yodh
- Physical review letters
- 2003

We demonstrate how tracer microrheology methods can be extended to study submicron scale variations in the viscoelastic response of soft materials; in particular, a semidilute solution of lambda-DNA.â€¦ (More)

- Tom C. Lubensky, Leo R. Radzihovsky
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We study phases and phase transitions that can take place in the recently discovered bow-shaped or bent-core liquid-crystal molecules. We show that to completely characterize phases exhibited by suchâ€¦ (More)

Direct Determination of DNA Twist-Stretch Coupling Randall D. Kamien, Tom C. Lubensky, Philip Nelson, and Corey S. O'Hern Department of Physics and Astronomy, University of Pennsylvania,â€¦ (More)

- K N Nordstrom, Emilie Verneuil, Wouter G. Ellenbroek, Tom C. Lubensky, Jerry P. Gollub, D J Durian
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2010

An exact method is developed for computing the height of an elastic medium subjected to centrifugal compression, for arbitrary constitutive relation between stress and strain. Example solutions areâ€¦ (More)

It has been known since Maxwell that collections of particles interacting via central forces only become rigid above the isostatic threshold, where the constraints and internal degrees of freedomâ€¦ (More)

- Andy C. W. Lau, Tom C. Lubensky
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2007

The friction coefficient of a particle can depend on its position, as it does when the particle is near a wall. We formulate the dynamics of particles with such state-dependent friction coefficientsâ€¦ (More)