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Bio & Medicine Feb 9, 2011

Microsponges from seaweed may save lives (w/ Video)

(PhysOrg.com) -- Microsponges derived from seaweed may help diagnose heart disease, cancers, HIV and other diseases quickly and at far lower cost than current clinical methods. The microsponges are an essential component ...

Nanophysics Jan 12, 2011

Scaling up: The future of nanoscience

In the late 1950s, Richard Feynman famously imagined a science where researchers and engineers could achieve remarkable feats by manipulating matter and creating structures all the way down to the level of individual atoms.

Bio & Medicine Dec 30, 2010

Voyage of the DNA Treader

Richard Feynman was right: there is plenty of room at the bottom, and the beeping, lumbering trashcans of 1950s science fiction are gradually giving way to micro-droids the size of a speck of dust . . . or even a molecule.

Soft Matter Dec 13, 2010

Bioengineers discover how particles self-assemble in flowing fluids

(PhysOrg.com) -- From atomic crystals to spiral galaxies, self-assembly is ubiquitous in nature. In biological processes, self-assembly at the molecular level is particularly prevalent.

Cell & Microbiology Dec 13, 2010

Cells 'feel' the difference between stiff or soft and thick or thin matrix

Cultured mesenchymal stem cells can "feel" at least several microns below the surface of an artificial microfilm matrix, gauging the elasticity of the extracellular bedding that is a crucial variable in determining their ...

Biotechnology Nov 30, 2010

Engineered molecule changes itself to detect and attack diseased cells

(PhysOrg.com) -- Assistant Professor of Bioengineering Christina Smolke has engineered biological molecules that regulate a cell's behavior by adjusting their own forms and functions in response to the internal conditions ...

Cell & Microbiology Nov 24, 2010

New technique allows researchers to study cell forces in 3-D

(PhysOrg.com) -- Researchers at the University of Pennsylvania have created a revolutionary new technique that will allow scientists to accurately measure the forces cells exert as they move through a three-dimensional environment.

Engineering Nov 8, 2010

Making use of jellyfish on dry land

John Dabiri, assistant professor of aeronautics and bioengineering at Caltech who won a MacArthur Award this year, is fascinated by jellyfish. He believes jellyfish propulsion can inform engineering, which in turn can inform ...

Biochemistry Nov 5, 2010

'Prima donna' protein doesn't work well in pairs

A new study by Rice University bioengineers finds that the workhorse proteins that move cargo inside living cells behave like prima donnas. The protein, called kinesin, is a two-legged molecular machine. Rice's scientists ...

Other Oct 29, 2010

New center looks at how human systems function or fail

A new center called the National Resource for Network Biology (NRNB), based at the University of California, San Diego School of Medicine, will help clinicians analyze an ever-growing wealth of complex biological data and ...

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