Coupled Motion in Proteins Revealed by Pressure Perturbation

Distribution of the serum proteins of Syrian hamster as revealed by Starch gel electrophoresis

Coupled protein domain motion in Taq polymerase revealed by neutron spin-echo spectroscopy.

Long-range conformational changes in proteins are ubiquitous in biology for the transmission and amplification of signals; such conformational changes can be triggered by small-amplitude, nanosecond protein domain motion. Understanding how conformational changes are initiated requires the characterization of protein domain motion on these timescales and on length scales comparable to protein di...

Vitreal Viscoelasticity Revealed by Motion-Encoded MRI

Introduction: Retinal detachment results in visual loss and requires surgical treatment. The shear stress induced during eye movement by the vitreous on the retina can damage the retina. The following filling of the subretinal space with liquefied vitreous induce the detachment of the retina. Changes in the vitreous viscoelasticity impact on the shear stress. Up to now, the viscoelasticity of t...

distribution of the serum proteins of syrian hamster as revealed by starch gel electrophoresis

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Gauge and motion in perturbation theory

Through second order in perturbative general relativity, a small compact object in an external vacuum spacetime obeys a generalized equivalence principle: although it is accelerated with respect to the external background geometry, it is in free fall with respect to a certain effective vacuum geometry. However, this single principle takes very different mathematical forms, with very different b...