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Physics 2, 89 (2009) – Published October 26, 2009 Fluid Dynamics Biological Physics Simulations provide insight into how viscous flow transforms the shapes of red blood cells, which may influence their physiological properties. |
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Published June 15, 2009 The shapes of “binding proteins” contribute to the ease with which they can diffuse along DNA until they reach a specific sequence. |
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Physics 2, 36 (2009) – Published May 4, 2009 Statistical Mechanics Biological Physics Faster does not mean more precise—a new view of how proteins diffuse and bind to a specific site on the DNA reassesses the role noise plays in the biochemical production line that creates biomolecules from genes. |
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Published December 3, 2008 Physicists present the mechanism of a DNA-based molecular motor that is fueled by a catalytic reaction and walks in one direction along a reusable track. |
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Physics 1, 32 (2008) – Published October 27, 2008 Genome replication originates at random places along the DNA strand, yet replication of the genetic material finishes within a defined time. A model based on phase-transition kinetics in condensed-matter systems explains how this just-in-time replication can happen. |
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Physics 1, 30 (2008) – Published October 20, 2008 Fluid Dynamics Biological Physics Some of the most ingenious ideas for designing microfluidic systems come from observing plants and animals. A study that quantifies the protein-driven helical flow of liquid in large plant cells, for instance, may well inspire micron-scale liquid mixers and sensors. |
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Published September 2, 2008 Biological Physics Interdisciplinary Physics Given that vaccine supplies are often limited, a quantitative understanding of how the number and frequency of vaccinations can affect the growth rate of disease would be useful. Physicists show that even a small number of randomly vaccinated individuals can exponentially increase the extinction rate of a disease. |
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Physics 1, 8 (2008) – Published July 28, 2008 Statistical Mechanics Biological Physics Current technology permits tracking single molecules with exquisite precision, but the results need to be interpreted with care. Long-duration measurement of the motion of a single particle yields information that is different and complementary to that obtained from an ensemble average of many particles. |
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Published July 21, 2008 Biological Physics Statistical Mechanics Molecular dynamics simulations show that thermal gradients – of order 1010 K over a meter - can polarize liquid water. The finding could have interesting implications for developing hyperthermal treatments that target cancer cells. |
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