Nanotubes pose health risk, study shows
(PhysOrg.com) -- Tiny fibres used to strengthen items such as bike frames and hockey sticks could pose risks to workers who make them.
Jun 14, 2011
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Jun 14, 2011
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Researchers develop integrated nanomechanical sensor for atomic force microscopy
(PhysOrg.com) -- The atomic force microscope (AFM) is an important tool for nanoscale surface metrology. Typical AFMs map local tip-surface interactions by scanning a flexible cantilever probe over a surface. ...
Jun 02, 2011
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When the speed of light depends on its direction
Light does not travel at the same speed in all directions under the effect of an electromagnetic field. Although predicted by theory, this counter-intuitive effect has for the first time been demonstrated ...
May 13, 2011
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Could there be more than lunch lurking on your retainer?
Insufficient cleaning could allow build-up of microbes on orthodontic retainers, researchers at the UCL Eastman Dental Institute have found. Dr Jonathan Pratten and colleagues looked at the types of microbes which live on ...
Mar 15, 2011
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Surgery without external scars is gaining traction
When Patricia Manrique was told she needed her gallbladder removed she immediately thought about the classroom full of children who rely on her to teach them tap and ballet each day. The Chicago Park District physical instructor ...
Mar 10, 2011
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Portable, less costly peritoneal dialysis shows no additional catheter risk factors
Patients with end-stage renal disease who opt for peritoneal dialysis experience no greater risk of catheter infection than those who undergo hemodialysis, a retrospective study at UT Southwestern Medical Center has found.
Mar 03, 2011
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Surgery sooner rather than later better for children with perforated appendicitis
For children with a perforated appendix, early appendectomy appears to reduce the time away from normal activities and has fewer adverse events as compared to another common option, the interval appendectomy, which is performed ...
Feb 21, 2011
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Estrogen may help precancerous cells spread in oral cavity
Head and neck cancer is the sixth most common type of cancer and is on the rise in some demographic groups, including young women without any known risk factors. Now, researchers at Fox Chase Cancer Center report that estrogen ...
Jan 04, 2011
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Tracing microbes between individuals towards personalized oral health care
The human body is home to a complex ecosystem of microbes increasingly recognized as having a critical role in both health and disease. Viruses can attack and change the composition of bacterial communities, yet little is ...
Dec 12, 2010
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Expandable nanoparticles show promise in treating lethal abdominal cavity tumors
(PhysOrg.com) -- Too often, patients with ovarian cancer or mesothelioma develop metastases that spread within the abdominal cavity, and when that occurs, the chances of surviving beyond five years drops to less than 40%, ...
Nov 25, 2010
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For your teeth, Thanksgiving dinner is a real food fight
If you're lucky, it will all be kisses and hugs around the Thanksgiving dinner table, with friends and family near and dear gathered about, and puppies gathered around your feet waiting for table scraps.
Nov 23, 2010
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Improved outcomes for HPV-positive head and neck cancer with cetuximab and IMRT
Studies have shown higher survival rates for people with head and neck cancers that test positive for HPV when they are treated with systemic chemotherapy and radiation therapy. Now a new study suggests outcomes are also ...
Oct 25, 2010
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Risk of heart attack and stroke following dental treatment outweighed by long-term benefits
Research published today suggests that invasive dental treatment, such as extractions, carries a small but statistically significant increase in the risk of stroke and heart attack over the short term. However, ...
Oct 19, 2010
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Patients with gum disease benefit from osteoporosis drug
A drug marketed to grow bone in osteoporosis patients also works to heal bone wounds in gum disease patients, a University of Michigan study suggests.
Oct 18, 2010
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Could light and matter coupling lead to quantum computation?
(PhysOrg.com) -- In science, one of the issues of great interest is that of quantum computing, and creating a way to make it possible on a scalable level. This could be achieved by taking advantage of the strong interaction ...
Oct 11, 2010
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