Göttingen-based scientists working at DESY's PETRA III research light source have carried out the first studies of living biological cells using high-energy X-rays. The new method shows clear differences in the internal ...
General Physics
Feb 27, 2014
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Highlighting an important but unexplored area of evolution, scientists at The Scripps Research Institute (TSRI) have found evidence that, over hundreds of millions of years, an essential protein has evolved chiefly by changing ...
Cell & Microbiology
Sep 29, 2013
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The bacterial outer envelope is densely packed with proteins that form small pores and facilitate the passage of nutrients, toxins and signaling molecules. Professors Timm Maier and Sebastian Hiller from the Biozentrum of ...
Cell & Microbiology
Sep 23, 2013
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Nanoscale "cages" made from strands of DNA can encapsulate small-molecule drugs and release them in response to a specific stimulus, McGill University researchers report in a new study.
Bio & Medicine
Sep 1, 2013
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In their search for molecules with certain characteristics, chemists have produced millions of new, increasingly complex synthetic materials by altering molecules' chemical structures.
Bio & Medicine
Aug 29, 2013
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In a new state-of-the-art lab at SLAC National Accelerator Laboratory, components of ribosomes – tiny biological machines that make new proteins and play a vital role in gene expression and antibiotic treatments – form ...
Biochemistry
Aug 29, 2013
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When Francis Crick and James Watson discovered the double helical structure of deoxyribonucleic acid (DNA) in 1953, their findings began a genetic revolution to map, study, and sequence the building blocks of living organisms.
Biochemistry
Aug 26, 2013
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Without the currently available plethora of X-ray methods, basic research in the physical sciences would be unthinkable. The methods are used in solid state physics, in the analysis of biological structures, and even art ...
Condensed Matter
Aug 21, 2013
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Much in the same way as we use shredders to destroy documents that are no longer useful or that contain potentially damaging information, cells use molecular machines to degrade unwanted or defective macromolecules. Scientists ...
Cell & Microbiology
Aug 16, 2013
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A decade ago, gene expression seemed so straightforward: genes were either switched on or off. Not both. Then in 2006, a blockbuster finding reported that developmentally regulated genes in mouse embryonic stem cells can ...
Cell & Microbiology
Aug 11, 2013
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