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Biophysics

stretched blood vessels
13.12.2018

Scientists from the Technion - Israel Institute of Technology and the Weizmann Institute of Science reveal the mechanical forces that influence...

cyanobacteria reveal developmental pattern
18.10.2018

Physicists and biologists team up to show that even the simplest biological developmental patterns may require some noise to be formed

A melanoma cancer cell is labeled with invadopodia markers in fluorescence microscopy
14.06.2015

How does a cancer cell push its way out of the surrounding tissue?

A chicken heart muscle cell under a fluorescent microscope; the filaments consist of repeated subunits (bright dotted lines). The schematic representation shows three neighboring filaments; the black lines are the boundaries of their subunits, such that the lower filament is aligned with the middle one, while the upper one is not
26.02.2015
A new model shows that the filaments in heart muscle cells don't automatically keep the beat
 
Katzir in his lab, 1972
13.08.2012

Prof. Aharon Katzir’s message is still relevant 40 years after his death in a terrorist attack

Prof. Ephrain Katzir, 1916-2009
01.10.2009
Professor Ephraim Katzir passed away on Saturday, May 30, 2009
Dr. Nir Gov. The physics of fingers, hair and spines
01.05.2008
Physics helps explain the formation of spines and bumps on specialized cells 
 
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Top: The cell pulls to maintain a fixed stretch in the gel. Middle:  If the gel is externally stretched, the cell can reduce the force it exerts.  Bottom: If the gel is alternately stretched and relaxed, the frustrated cell  cannot "decide" how much force to exert. This results in the cell orienting  perpendicular to the stretch direction
01.10.2007
Cells in biomaterials respond to the speed with which the material is stretched
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Dr. Nir Gov. Moving models
01.05.2005

Red blood cells must be flexible yet tough. A physics-based model shows how.

Back (l-r): Students Nadav Kashtan, Ron Milo and Shalev Itzkovitz. Front: Dr. Uri Alon. Nature’s motifs
01.05.2003

Some patterns repeat themselves in all sorts of natural networks, from genes to food chains

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