News tagged with biological samples
Minimizing the spread of deadly Hendra virus
Apr 15, 2009 |
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(PhysOrg.com) -- Groundbreaking CSIRO research into how the deadly Hendra virus spreads promises to save the lives of both horses and humans in the future.
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2002 oil spill caused changes in the cell structure of mussels
Mar 25, 2009 |
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The oil spill from the Prestige petroleum oil tanker in 2002 caused serious damage to the ecosystems in the Bay of Biscay. A PhD thesis at the University of the Basque Country (UPV/EHU) has studied the consequences of this ...
Researchers demonstrate nanoscale X-ray imaging of bacterial cells
Dec 07, 2009 |
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An ultra-high-resolution imaging technique using X-ray diffraction is a step closer to fulfilling its promise as a window on nanometer-scale structures in biological samples. In the Proceedings of the National Ac ...
Ketamine reduces suicidality in depressed patients
Medicine & Health / Psychology & Psychiatry
Sep 10, 2009 |
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Drug treatment options for depression can take weeks for the beneficial effects to emerge, which is clearly inadequate for those at immediate risk of suicide. However, intravenous (IV) ketamine, a drug previously used as ...
Solving the mystery of what puts sperm 'in the mood'
Apr 08, 2009 |
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In a potential advance toward a male contraceptive pill and new treatments for infertility, researchers are reporting the identification of key biochemical changes that put sperm “in the mood” for fertilization.
Nickel isotope may be methane producing microbe biomarker
Space & Earth / Earth Sciences
Jun 22, 2009 |
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Nickel, an important trace nutrient for the single cell organisms that produce methane, may be a useful isotopic marker to pinpoint the past origins of these methanogenic microbes, according to Penn State and University of ...
An easy way to find a needle in a haystack by removing the haystack
Jun 18, 2009 |
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Researchers at the Max Planck Institute for Chemical Ecology in Jena and their colleagues from the Czech Academy of Sciences in Prague have developed a new method to quickly and reliably detect metabolites, ...
To peer inside a living cell
Oct 06, 2009 |
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(PhysOrg.com) -- Quantum mechanics could help build ultra-high-resolution electron microscopes that won't destroy living cells, according to MIT electrical engineers.
Scientists conduct shark survey off US East Coast
Aug 13, 2009 |
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Sandbar, dusky and tiger sharks are among dozens of shark species living in the coastal waters off the U.S. East Coast. Little is known about many of the species, but a survey begun nearly 25 years ago is helping scientists ...
Colon cancer screening technique shows continued promise in new study
Jun 09, 2009 |
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Recent clinical trials show that a new colon cancer screening technique created by Northwestern University researchers has a high enough sensitivity that it could potentially be as or more successful than a colonoscopy in ...
Israeli scientists find way to combat forged DNA
Aug 20, 2009 |
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Israeli scientists have developed new technology to fight biological identity theft after realising that DNA evidence found at crime scenes can be easily falsified.
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