News tagged with dna techniques

Author Grisham laments bad courtroom science

Best-selling crime author John Grisham told lawmakers that faulty science is all over the US justice system, and urged nationwide improvements to forensic techniques.

Other Sciences / Other

created Dec 08, 2011 | popularity 5 / 5 (1) | comments 2

Fruit fly intestine may hold secret to the fountain of youth

One of the few reliable ways to extend an organism's lifespan, be it a fruit fly or a mouse, is to restrict calorie intake. Now, a new study in fruit flies is helping to explain why such minimal diets are ...

Biology / Biotechnology

created Nov 02, 2011 | popularity 4.9 / 5 (17) | comments 3 | with audio podcast

Tests that use DNA from mother's blood to determine sex of fetus often effective

As a noninvasive method of determining the sex of a fetus, tests using cell-free fetal DNA obtained from the mother's blood after 7 weeks gestation performed well, while urine-based tests appear to be unreliable, according ...

Medicine & Health / Health

created Aug 09, 2011 | popularity not rated yet | comments 0

Scientists find 'brake-override' proteins that enable development of some cancers

Scripps Research Institute scientists have discovered a basic mechanism that can enable developing cancer cells to sustain abnormal growth. The finding is expected to lead to the targeting of this mechanism with drugs and ...

Medicine & Health / Cancer

created Jul 07, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Using DNA in fight against illegal logging

Advances in DNA 'fingerprinting' and other genetic techniques led by Adelaide researchers are making it harder for illegal loggers to get away with destroying protected rainforests.

Biology / Other

created Jun 30, 2011 | popularity not rated yet | comments 0

Genome editing, a next step in genetic therapy, corrects hemophilia in animals

Using an innovative gene therapy technique called genome editing that hones in on the precise location of mutated DNA, scientists have treated the blood clotting disorder hemophilia in mice. This is the first time that genome ...

Biology / Biotechnology

created Jun 26, 2011 | popularity 5 / 5 (6) | comments 2 | with audio podcast

Food forensics: DNA links habitat quality to bat diet

All night long, bats swoop over our landscape consuming insects, but they do this in secret, hidden from our view. Until recently, scientists have been unable to bring their ecosystem out of the dark but thanks to new genetic ...

Biology / Ecology

created Mar 03, 2011 | popularity not rated yet | comments 0

Choosing your neighbors: Scientists see how microbes relate in space

Like people in cities, microbes often live in complex communities that contain many different microbial types. Also like us, microbes tend to gravitate to and "hang out" with certain other types in their community, ...

Biology / Cell & Microbiology

created Feb 14, 2011 | popularity not rated yet | comments 0 | with audio podcast

Graphene-DNA biosensor selective, simple to create

(PhysOrg.com) -- Graphene and DNA can combine to create a stable and accurate biosensor, reports a study published in the nanotechnology journal Small. The tiny biosensor might eventually help doctors and ...

Nanotechnology / Bio & Medicine

created May 14, 2010 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Better oral hygiene could reduce complications in pregnancy and help newborn babies

Bacteria from a mother's mouth can be transmitted through the blood and amniotic fluid in the womb to her unborn child. This could contribute to the risk of a premature delivery, a low birth-weight baby, premature onset of ...

Medicine & Health / Health

created Mar 31, 2009 | popularity not rated yet | comments 0