Wednesday, October 19, 2011

ScienceDaily: Biotechnology News

ScienceDaily: Biotechnology News

Efficacy of non-Hodgkin's lymphoma vaccine demonstrated in dogs

Posted: 18 Oct 2011 12:52 PM PDT

An experimental vaccine is the first veterinary cancer vaccine of its kind that shows an increase in survival time for dogs with spontaneous non-Hodgkin's lymphoma. The work shows for the first time the feasibility and therapeutic efficacy of this alternative cell-based vaccine, which could be employed in the treatment of a number of different cancer types.

First-ever sequence and structure of biologically important carbohydrate

Posted: 18 Oct 2011 09:18 AM PDT

Scientists have been unable to determine the structure of a biologically important so-called GAG proteoglycan -- or even to agree whether these remarkably complex molecules have well-defined structures. Medical researchers have now, for the first time, determined the sequence and structure of a glycosaminoglycan, or GAG, proteoglycan.

Computing building blocks created from bacteria and DNA

Posted: 18 Oct 2011 08:19 AM PDT

Scientists have successfully demonstrated that they can build some of the basic components for digital devices out of bacteria and DNA, which could pave the way for a new generation of biological computing devices.

Design rules will enable scientists to use DNA to build nanomaterials with desired properties

Posted: 13 Oct 2011 11:18 AM PDT

Scientists have learned how to top nature by building crystalline materials from nanoparticles (the "atoms") and DNA (the "bonds"). The researchers have learned how to create crystals with the particles arranged in the same types of atomic lattice configurations as some found in nature, but they also have built completely new structures that have no naturally occurring mineral counterpart. Their design rules could help improve the efficiency of optics, electronics and energy storage technologies.
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