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Tag: "exist" at biology news

Breakthrough method in nanoparticle synthesis paves the way for new pharmaceutical and biomedical applications

...ed side-effects. However, these catalysts normally exist in a homogeneous liquid phase, which makes them difficult to be separated and reused. Prof. Ying’s group at IBN has developed novel approaches to immobilize these catalysts on nanoporous materials synthesized by its wet-chemical technique. This rend...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

... mutant gene) that controls this trait might still exist in the ocean fish. So we collected large numbers of ocean fish with complete armor, and we found a very low level of this genetic variant in the marine population." So, he said, "the marine fish actually carry the genes for this alternative state, b...

Researchers trace evolution to relatively simple genetic changes

... mutant gene) that controls this trait might still exist in the ocean fish. So we collected large numbers of ocean fish with complete armor, and we found a very low level of this genetic variant in the marine population." So, he said, "the marine fish actually carry the genes for this alternative state, b...

Researchers find missing genes of ancient organism

...lization that has rid itself of genetic baggage to exist in extreme environments." Understanding how primitive organisms like Nanoarchaea operate gives clues to -- but not proof of -- the relationship between modern and ancient organisms. ### Other authors on the paper include Lennart Randau and Michael...

U-M scientists find genes that control growth of common skin cancer

...asyet no definitive evidence that tumor stem cells exist in BCC. Inadditional studies, the researchers found that regressing BCC cellscould be reprogrammed to differentiate into various epithelial celltypes, ultimately capable of assembling fully-formed hair follicles.These results suggest that BCCs contai...

Purdue proves concept of using nano-materials for drug discovery

...ly screen millions of untested drug compounds that exist in large pharmaceutical "libraries." The chips could dramatically increase the number of experiments that are possible with a small amount of protein. "It's been very hard to study these proteins because they are difficult to produce in large quanti...

Plants, animals share molecular growth mechanisms

...ifically looked at small, hairlike structures that exist on most cells. They found that the shape and size of these hairs, or trichomes, readily show when genes affecting actin filaments are askew and causing altered growth. The researchers previously had learned that a large protein complex, known as WAV...

Protein discovery could unlock the secret to better TB treatment

...ing factor (Rpf). Five versions of the Rpf protein exist in TB bacteria. The paper's unveiling of the molecular structure of Rpf could be crucial to the treatment of TB in the future. Dr John Ward, Dept of Biochemistry and Molecular Biology at UCL, said: "The discovery of Rpf in the TB bacteria could allo...

A gene's first 'kiss' sets off that affair known as puberty

...t the full repertoire of reproductive hormones can exist at birth, go into hiding at about four to six months of age, then reemerge in full force some 10 to 12 years later? "Puberty is critical to human development. And while there is a fairly good understanding of how the endocrine system regulates the h...

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