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Other Aug 25, 2011

Scientifically taking the guilt out of guilty pleasures

Red wine and chocolate are part of the working week for Australian Institute for Bioengineering and Nanotechnology researcher Dr. Aaron Micallef.

Cell & Microbiology Aug 24, 2011

Three-part handoff delivers proteins to membrane surface

The delivery system for an important class of proteins in the cell membrane can be fully replicated with a mere three components, according to a new study.

Analytical Chemistry Jul 26, 2011

Got flow cytometry? All you need is five bucks and a cell phone

(PhysOrg.com) -- Flow cytometry, a technique for counting and examining cells, bacteria and other microscopic particles, is used routinely in diagnosing disorders, infections and cancers and evaluating the progression of ...

Biotechnology Jul 20, 2011

Researchers create the first artificial neural network out of DNA

Artificial intelligence has been the inspiration for countless books and movies, as well as the aspiration of countless scientists and engineers. Researchers at the California Institute of Technology (Caltech) have now taken ...

Biochemistry Jul 13, 2011

Molecules 'light up' Alzheimer's roots: Light-switching complex attaches itself to amyloid proteins

(PhysOrg.com) -- A breakthrough in sensing at Rice University could make finding signs of Alzheimer's disease nearly as simple as switching on a light.

Biotechnology Jun 16, 2011

Environment for stem cell development engineered to control differentiation

Stem cell technologies have been proposed for cell-based diagnostics and regenerative medicine therapies. However, being able to make stem cells efficiently develop into a desired cell type -- such as muscle, skin, blood ...

General Physics Apr 18, 2011

New soft motor more closely resembles real muscles (w/ video)

(PhysOrg.com) -- "When you pick up a spoon with your fingers, you are able to move it from side to side and rotate it too by moving thumb and forefinger in opposition," Iain Anderson tells PhysOrg.com. Your hand is a soft ...

Biochemistry Apr 18, 2011

Researchers discover general recipe for making antimicrobial agents that kill bacteria

Many antimicrobial peptides in our immune system kill bacteria by punching holes in their membranes. Scientists have been researching antimicrobial peptides for more than 30 years, and there is currently a large effort to ...

Cell & Microbiology Mar 22, 2011

Biofilm reorganization: Back to the theoretical drawing board

In a surprising new study, researchers using image-analysis methods similar to those employed in facial-recognition software have made a startling discovery that rules out the two main theories scientists had created to explain ...

Evolution Feb 17, 2011

Subtle shifts, not major sweeps, drove human evolution

The most popular model used by geneticists for the last 35 years to detect the footprints of human evolution may overlook more common subtle changes, a new international study finds.

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