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Switchable Nanostructures Made with DNA

Switchable Nanostructures Made with DNA

Nanotechnology / Bio & Medicine

created Dec 21, 2009 | popularity 4.6 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...


Faster, cheaper DNA sequencing method developed

Faster, cheaper DNA sequencing method developed

Nanotechnology / Bio & Medicine

created Dec 20, 2009 | popularity 4.4 / 5 (24) | comments 10

(PhysOrg.com) -- Boston University biomedical engineers have devised a method for making future genome sequencing faster and cheaper by dramatically reducing the amount of DNA required, thus eliminating the ...


Broken genomes behind breast cancers

Medicine & Health / Cancer

created 15 hours ago | popularity 5 / 5 (1) | comments 1

The first detailed search of breast cancer genomes to uncover genomic rearrangements is published today. The team characterised the ways in which the human genome is broken and put back together in 24 cases of breast cancer.


Tracing the traces: Nanogram concentrations of a toxic compound detected in chlorinated tap water

Chemistry / Analytical Chemistry

created 23 hours ago | popularity 5 / 5 (3) | comments 5

(PhysOrg.com) -- Drinking water can transmit a number of diseases, including typhoid, dysentery, cholera, and diarrhea, which can then spread explosively throughout an entire service area. To avoid this problem, drinking ...


Sniffing out clues to dogs' compulsive behavior

Sniffing out clues to dogs' compulsive behavior

Biology / Biotechnology

created Dec 22, 2009 | popularity 3.8 / 5 (4) | comments 0

(PhysOrg.com) -- At first glance, a dog chasing its tail seems a harmless, if fruitless, pursuit. But for many dogs and their owners, the habit has a dark side, one that means endless hours and energy spent ...


Enzyme necessary for development of healthy immune system

Medicine & Health / Research

created Dec 22, 2009 | popularity not rated yet | comments 0

Mice without the deoxycytidine kinase (dCK) enzyme have defects in their adaptive immune system, producing very low levels of both T and B lymphocytes, the major players involved in immune response, according to a study by ...


Gene for devastating kidney disease discovered

Medicine & Health / Genetics

created Dec 22, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Researchers from Children's Hospital Boston and Brigham and Women's Hospital have identified an important genetic cause of a devastating kidney disease that is the second leading cause of kidney failure in ...


Nanoparticles go platinum: NCEM instruments provide key images

Nanoparticles go platinum: NCEM instruments provide key images

Nanotechnology / Nanophysics

created Dec 21, 2009 | popularity 4.7 / 5 (3) | comments 0

At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...


Genomes of identical twins reveal epigenetic changes that may play role in lupus

Medicine & Health / Genetics

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

Identical twins look the same and are nearly genetically identical, but environmental factors and the resulting cellular changes could cause disease in one sibling and not the other. In a study published online in Genome Re ...


Making New Enzymes to Engineer Plants for Biofuel Production

Making New Enzymes to Engineer Plants for Biofuel Production

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Brookhaven scientists have created a new enzyme with the potential to interfere with a key cell-wall component in plants, possibly leading to plants that are easier to "digest" and convert ...


Scientists take a step towards uncovering the histone code

Biology / Cell & Microbiology

created Dec 20, 2009 | popularity 5 / 5 (6) | comments 1

Researchers at Emory University School of Medicine have determined the structures of two enzymes that customize histones, the spool-like proteins around which DNA coils inside the cell.


Scientists get to the root of ancient case of sour grapes

Scientists get to the root of ancient case of sour grapes

Biology / Biotechnology

created Dec 18, 2009 | popularity 5 / 5 (5) | comments 0

(PhysOrg.com) -- Scientists in Cambridge have discovered that a lowly grape variety grown by peasants - but despised by noblemen - during the Middle Ages was the mother of many of today’s greatest grape varieties, ...


Researchers revise long-held theory of fruit-fly development

Researchers revise long-held theory of fruit-fly development

Biology / Cell & Microbiology

created Dec 17, 2009 | popularity not rated yet | comments 0

For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...


Within a cell, actin keeps things moving

Within a cell, actin keeps things moving

Chemistry / Biochemistry

created Dec 17, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...


Two common forms of cancer have been genetically mapped for the first time

Scientists crack gene code of common cancers

Medicine & Health / Cancer

created Dec 17, 2009 | popularity 4.9 / 5 (9) | comments 2

Two common forms of cancer have been genetically mapped for the first time, British scientists announced, in a major breakthrough in understanding the diseases.