Archive: 6/12/2010

New aortic valve without open heart surgery

Siemens Healthcare developed a new, smart visualization and guidance technology, which facilitates implantation of an aortic replacement valve by means of a catheter. The technology spares patients the trauma of surgery and ...

dateDec 06, 2010 in Other
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Working in concert

As cells go about the process of building new proteins, each amino acid gets delivered individually to the protein-synthesizing machinery of the ribosome by a specialized transfer RNA (tRNA) molecule. This process is generally ...

dateDec 06, 2010 in Cell & Microbiology
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