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As Sticky as a Gecko ... but Ten Times Stronger!
The gecko's amazing ability to stick to surfaces and walk up walls has inspired many researchers to manufacture materials that mimic the special surface of a gecko's foot. view more (2008-10-15)
Yale biologists 'trick' viruses into extinction
While human changes to the environment cause conservation biologists to worry about species extinction, Yale biologists are reversing the logic by trying to trap viruses in habitats that force their extinction, according to a report in Ecology Letters. view more (2007-02-13)
Cell wall of pneumonia bacteria can cause brain and heart damage
Investigators at St. Jude Children's Research Hospital have discovered in mouse models how cell walls from certain pneumonia-causing bacteria can cause fatal heart damage; researchers have also shown how antibiotic therapy can contribute to this damage by increasing the number of cell wall pieces shed by dying bacteria. The team also demonstrated... view more... (2006-10-25)
T vs. B: Re-engineered human T cells effectively target and kill cancerous B cells
Human white blood cells, engineered to recognize other malignant immune cells, could provide a novel therapy for patients with highly lethal B cell cancers such as acute lymphoblastic leukemia (ALL), according to researchers at Memorial Sloan-Kettering Cancer Center (MSKCC). view more (2007-09-18)
X-rays For Cars
A new device that X-rays coatings on car body parts will help manufacturers ensure that vehicles are properly protected from corrosion. The machine flashes radiation onto the surface of body panels and measures the fluorescent emissions given off. Gaps or defects are then easily spotted, allowing manufacturers to ensure that protective coatings... view more... (1998-10-26)
UK scientists get a "whiff" of Titan's surface
Further insights into Titan were unveiled today (21st January 2005) as scientists involved in the joint NASA/ESA/ASI Cassini-Huygens mission presented further results and images a week to the day after the successful descent and arrival of the Huygens probe on the surface of Saturn's largest moon. view more (2005-01-21)
Catcher in the Rye
The development of sensors that can selectively fish a specific type of molecule out of a mixture is among the highest goals of many chemists. Vladimir M. Mirsky and his coworkers at the University of Regensburg have now come close to meeting this objective - with a clever coating for electrodes that recognizes molecules by their shape. To... view more... (1999-04-13)
NASA images, White Sands features support a wetter Mars
NASA's announcement yesterday of evidence that water still flows on Mars, at least in brief spurts, demonstrates that the view of Mars as a very dry planet should be reevaluated, says Dawn Sumner, professor of geology at UC Davis. Recent work from by Sumner and graduate student Greg Chavdarian also supports the presence of liquid water near the... view more... (2006-12-08)
Communication within the immune system:Immune synapses cannot function without ZAP-70
A familial form of severe combined immune deficiency (SCID) is caused by anomalies of an enzyme called ZAP-70. If ZAP-70 is lacking or does not work, the T-cells, which play a key role in the mechanisms of immune defense, are no longer functional. Affected children therefore catch infections as soon as they are exposed to pathogenic... view more... (2002-10-24)
Proteins in gel
Several thousand test fields are tightly packed together on the tiny surface of a biochip. They permit the rapid analysis of substances, e.g. for diagnosing allergens in the blood. view more (2009-06-25)
NYU scientists identify critical protein complex in formation of cell cilia
An international team led by NYU Cancer Institute have identified a protein complex that regulates the formation of cilia, which are found on virtually all mature human cells and are essential to normal cell function. view more (2008-08-20)
Scientists seek to unwrap the sweet mystery of the sugar coat on bacteria
Scientists at The University of Texas at Austin have developed a quick and simple way to investigate the sugar coating that surrounds bacteria and plays a role in infection and immunity. view more (2006-02-15)
Reversible 3-D cell culture gel invented
Singapore's Institute of Bioengineering and Nanotechnology (IBN), which celebrates its fifth anniversary this year, has invented a unique user-friendly gel that can liquefy on demand, with the potential to revolutionize three-dimensional (3D) cell culture for medical research. view more (2008-09-29)
A new way of treating the flu
What happens if the next big influenza mutation proves resistant to the available anti-viral drugs? view more (2009-05-20)
The secret of internal bliss revealed
Scientists now know for sure how cannabis works in the brain. By studying naturally occuring cannabinoids they have found that cannabis 'speaks' to nerve cells instructing them to stop releasing their chemical neurotransmitters so dumbing down their effects. The upside is that it makes cannabis effective for treatment of MS but it also has a... view more... (2001-04-03)
Breast Tumors in Mice Eradicated Using Cancer Vaccine
A team from the University of Pennsylvania School of Medicine has shown that by using a cancer vaccine based on the bacterium Listeria monocytogenes, they can cure mice with established breast tumors. view more (2005-09-15)
Monitoring immune responses in disease
A recent study published in Clinical Immunology, the official journal of the Clinical Immunology Society (CIS), describes a new method enabling the detection of multiple parameters of single human cells. view more (2008-09-04)
University of Oregon researcher finds that on water's surface, nitric acid is not so tough
Nitric acid is a notoriously strong and chemically destructive compound found in water on earth and in our atmosphere. However, a team of researchers have found that its punch is much weaker when it sits on the top of a water surface. view more (2007-08-21)
HIV-1's 'hijacking mechanism' pinpointed by McGill/JGH researchers
Researchers at McGill University and the affiliated Lady Davis Institute for Medical Research at Montreal's Jewish General Hospital - along with colleagues at the University of Manitoba and the University of British Columbia - may have found a chink in the armour of the human immunodeficiency virus type 1 (HIV-1), the microorganism which causes... view more... (2009-06-11)
Unlocking biological secrets: Cornell scientists build 'nano-keys' to bind cell receptors and trigger allergic reactions
The tumblers of life continue to click as Cornell University researchers have fabricated a set of "nano-keys" on the molecular scale to interact with receptors on cell membranes and trigger larger-scale responses within cells - such as the release of histamines in an allergic response. view more (2006-02-17)
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