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Cell & Microbiology Jan 9, 2013

Minor mutations can lead to big improvements in antibiotic resistance

Rice University scientists have found that mutations of small effect can turn out to be game changers in the bacterial fight against antibiotic drugs.

Cell & Microbiology Jan 3, 2013

In epigenomics, location is everything: Researchers exploit gene position to test 'histone code'

In a novel use of gene knockout technology, researchers at the University of California, San Diego School of Medicine tested the same gene inserted into 90 different locations in a yeast chromosome – and discovered that ...

Materials Science Dec 20, 2012

Protein engineers create new biocatalysts

Protein engineers at the California Institute of Technology (Caltech) have tapped into a hidden talent of one of nature's most versatile catalysts. The enzyme cytochrome P450 is nature's premier oxidation catalyst—a protein ...

Materials Science Nov 28, 2012

Researchers synthesize a new kind of silk fiber (w/ video)

Pound for pound, spider silk is one of the strongest materials known: Research by MIT's Markus Buehler has helped explain that this strength arises from silk's unusual hierarchical arrangement of protein building blocks.

Materials Science Nov 27, 2012

Illuminating the no-man's land of waters' surface

Sylvie Roke, scientist in EPFL's Bioengineering Institute, is refuting previously held theories and offering a new explanation of electrochemical phenomena occurring at the interface between water and a hydrophobic matter. ...

Cell & Microbiology Nov 26, 2012

Deciphering bacterial doomsday decisions: Study finds bacteria delay survival decisions

(Phys.org)—Like a homeowner prepping for a hurricane, the bacterium Bacillus subtilis uses a long checklist to prepare for survival in hard times. In a new study, scientists at Rice University and the University of Houston ...

Biotechnology Nov 13, 2012

Injectable sponge delivers drugs, cells, and structure

Bioengineers at Harvard have developed a gel-based sponge that can be molded to any shape, loaded with drugs or stem cells, compressed to a fraction of its size, and delivered via injection. Once inside the body, it pops ...

Cell & Microbiology Nov 8, 2012

Light-based 'remote control' for proteins inside cells developed

Scientists at Stanford University have developed an intracellular remote control: a simple way to activate and track proteins, the busiest of cellular machines, using beams of light.

Bio & Medicine Oct 16, 2012

Magnetic nanoparticles used to control thousands of cells simultaneously

(Phys.org)—Using clusters of tiny magnetic particles about 1,000 times smaller than the width of a human hair, researchers from the UCLA Henry Samueli School of Engineering and Applied Science have shown that they can manipulate ...

Analytical Chemistry Oct 3, 2012

Sticky paper offers cheap, easy solution for paper-based diagnostics

(Phys.org)—A current focus in global health research is to make medical tests that are not just cheap, but virtually free. One such strategy is to start with paper – one of humanity's oldest technologies – and build ...

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