News tagged with dna molecule

New molecule has potential to help treat genetic diseases and HIV

(PhysOrg.com) -- Chemists at The University of Texas at Austin have created a molecule that's so good at tangling itself inside the double helix of a DNA sequence that it can stay there for up to 16 days before ...

Biology / Plants & Animals

created 12 hours ago | popularity 5 / 5 (3) | comments 0 | with audio podcast

Physicists build highly efficient 'no-waste' laser

A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that ...

Physics / General Physics

created Feb 08, 2012 | popularity 4.9 / 5 (22) | comments 5 | with audio podcast

Genes linked to cancer could be easier to detect with liquid lasers

Using a liquid laser, University of Michigan researchers have developed a better way to detect the slight genetic mutations that might predispose a person to a particular type of cancer or other diseases.

Chemistry / Analytical Chemistry

created Jan 31, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Automated cDNA preparation system accelerates CAGE analysis on a single molecule sequence

Researchers at the RIKEN Omics Science Center (OSC) have developed a robotic workflow for sample preparation on the HeliScope single molecule sequencer which drastically reduces sample preparation time to ...

Biology / Biotechnology

created Jan 31, 2012 | popularity not rated yet | comments 0

Metabolic errors can spell doom for DNA

Many critical cell functions depend on a class of molecules called purines, which form half of the building blocks of DNA and RNA, and are a major component of the chemicals that store a cell’s energy. ...

Biology / Cell & Microbiology

created Jan 31, 2012 | popularity not rated yet | comments 0 | with audio podcast

Portable device will quickly detect pathogens

(PhysOrg.com) -- Two Cornell professors will combine their inventions to develop a handheld pathogen detector that will give health care workers in the developing world speedy results to identify in the field ...

Chemistry / Biochemistry

created Jan 31, 2012 | popularity not rated yet | comments 0

Defects in the packaging of DNA in malignant brain tumors

Glioblastomas grow extremely aggressively into healthy brain tissue and, moreover, are highly resistant to radiation therapy and chemotherapy. Therefore, they are regarded as the most malignant type of brain tumor. Currently ...

Medicine & Health / Cancer

created Jan 30, 2012 | popularity not rated yet | comments 0 | with audio podcast

Dog skull dates back 33,000 years

If you think a Chihuahua doesn't have much in common with a Rottweiler, you might be on to something.

Other Sciences / Archaeology & Fossils

created Jan 23, 2012 | popularity 4.7 / 5 (15) | comments 3 | with audio podcast

DNA as invisible ink can reversibly hide patterns

(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...

Nanotechnology / Bio & Medicine

created Jan 23, 2012 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast feature

DNA motor programmed to navigate a network of tracks

Expanding on previous work with engines traveling on straight tracks, a team of researchers at Kyoto University and the University of Oxford have successfully used DNA building blocks to construct a motor ...

Nanotechnology / Bio & Medicine

created Jan 22, 2012 | popularity 5 / 5 (7) | comments 2 | with audio podcast

Simpler times: Did an earlier genetic molecule predate DNA and RNA?

(PhysOrg.com) -- In the chemistry of the living world, a pair of nucleic acids—DNA and RNA—reign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for ...

Chemistry / Biochemistry

created Jan 09, 2012 | popularity 4.8 / 5 (28) | comments 117 | with audio podcast

Promiscuity of resistance plasmid unprecedented

Genetic analysis of an outbreak of drug-resistant infections in one institution shows an unprecedented level of transference of resistance among strains and even species of bacteria. Researchers from the University of Virginia ...

Biology / Cell & Microbiology

created Jan 04, 2012 | popularity not rated yet | comments 0

Signaling to chromatin

(Medical Xpress) -- Scientists from the Friedrich Miescher Institute for Biomedical Research (FMI) in collaboration with their colleagues from the Department of Biosystems Science and Engineering of the ETH ...

Medicine & Health / Genetics

created Jan 03, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Chemists devise a way to create a five point knotted molecule

(PhysOrg.com) -- Chemists have for a long time been interested in a type of molecule that is literally tied up into a knot. This is where atoms are bonded together to form strands, which are then twisted around ...

Chemistry / Materials Science

created Dec 30, 2011 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast report

Built-in 'self-destruct timer' causes ultimate death of messenger RNA in cells

Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered the first known mechanism by which cells control the survival of messenger RNA (mRNA) -- arguably biology's most important molecule. ...

Biology / Cell & Microbiology

created Dec 22, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast