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Human papillomavirus lesion identified with VELscope at dentist

Human papillomavirus (HPV) is a group of viruses that includes more than 100 different strains or types and is the most common sexually transmitted virus.

20 Feb 2009

Nanoscopic changes to pancreatic cells reveal cancer

A team of researchers in Chicago has developed a way to examine cell biopsies and detect never-before-seen signs of early-stage pancreatic cancer, according to a new paper in the Optical Society (OSA) journal Optics Letters.

16 Feb 2009

Nanotubes sniff out cancer agents in living cells

A multidisciplinary team at the Massachusetts Institute of Technology (MIT) has developed carbon nanotubes that can be used as sensors for cancer drugs and other DNA-damaging agents inside living cells. The sensors, made of carbon nanotubes wrapped in DNA, can detect chemotherapy drugs such as cisplatin as well as environmental toxins and free radicals that damage DNA.

18 Jan 2009

Gold particles and infrared light for controlled drug delivery

Using tiny gold particles and infrared light, MIT researchers have developed a drug-delivery system that allows multiple drugs to be released in a controlled fashion.

1 Jan 2009

Scientists coax bright white light from zinc oxide

Duke University and United States Army scientists have found that a cheap and nontoxic sunburn and diaper rash preventative can be made to produce brilliant light best suited to the human eye.

18 Dec 2008

Researchers create new family of fluorescent probes called hydrocyanines to detect reactive oxygen species in vivo

Researchers have created a new family of fluorescent probes called hydrocyanines that can be used to detect and measure the presence of reactive oxygen species.

15 Dec 2008

Narrow-band imaging comparable to white light colonoscopy in differentiating colorectal polyps

Researchers from Yale University School of Medicine compared narrow-band imaging (NBI) without high magnification to standard white light colonoscopy in differentiating colorectal polyps during real-time colonoscopy and found that NBI was not more accurate than white light colonoscopy.

15 Dec 2008

Carbon nanotube sensors for cancer drugs

MIT engineers have developed carbon nanotubes into sensors for cancer drugs and other DNA-damaging agents inside living cells.

14 Dec 2008

Optical frequency-domain imaging provides 3-D view of human coronary arteries

For the first time researchers are getting a detailed look at the interior of human coronary arteries, using an optical imaging technique developed at the Wellman Center for Photomedicine at Massachusetts General Hospital (MGH).

17 Nov 2008

Treatments for seasonal affective disorder (SAD)

Bright white light therapy has been used to treat seasonal affective disorder (SAD) for more than 20 years.

7 Nov 2008

By imaging live cells, researchers show how hepatitis C replicates

The hepatitis C virus is a prolific replicator, able to produce up to a trillion particles per day in an infected person by hijacking liver cells in which to build up its viral replication machinery.

30 Oct 2008

New technique sees into tissue at greater depth, resolution

By coupling a kicked-up version of microscopy with gold nanoparticles, investigators at Duke University have been able to peer so deeply into living tissue that they can see molecules interacting.

27 Oct 2008

Near-infrared nanoparticles shine a bright light on cancer

A new nanoparticle-enabled imaging method for breast cancer has been developed by a team of scientists from Penn State. Their research, utilizing encapsulated fluorescent molecules in calcium phosphate nanoparticles and nontoxic near infrared (NIR) imaging, appears in the journal ACS Nano.

27 Oct 2008

Combo of sunlight and low antioxidant levels leave seniors at risk of eye disease

European research has revealed that blue light exposure from the sun combined with low plasma levels of antioxidants may contribute to certain forms of the eye disease age-related macular degeneration (AMD).

14 Oct 2008

No blood needed thanks to non-invasive blood monitoring device

A non-invasive blood monitoring device that removes the need to draw blood to monitor patients has won the 2008 Kerrin Rennie Award for Excellence in Medical Technology. The award was presented to Masimo Corporation on 24 September at the Medical Technology Association of Australia (MTAA) dinner in Sydney.

28 Sep 2008

SOLX receives FDA clearance for new glaucoma laser

SOLX, Inc. has announced U.S. Food and Drug (FDA) 510(k) clearance for the SOLX 790 to perform Titanium:Sapphire laser trabeculoplasty (TLT).

21 Sep 2008

New nanotechnology paints for hospitals could kill superbugs

New nanotechnology paints for walls, ceilings, and surfaces could be used to kill hospital superbugs when fluorescent lights are switched on, scientists heard today (Wednesday 10 September 2008) at the Society for General Microbiology's Autumn meeting being held this week at Trinity College, Dublin.

9 Sep 2008

Light activated treatments could solve MRSA problems after surgery

Killer dyes that can wipe out bacteria could help solve the superbug problems faced by surgical patients, scientists heard today (Wednesday 10 September 2008) at the Society for General Microbiology's Autumn meeting being held this week at Trinity College, Dublin.

9 Sep 2008

Scientists develop ultra-sensitive optical protein sensor, a first for a salivary diagnostic test

For people who dislike needles, medical tests that require a drop of saliva instead of a vial of blood will one day make a trip to a doctor or dentist much easier. But as scientists now construct the first of these saliva tests for early signs of cancer and other diseases, they continue to push the technological envelope in interesting ways.

3 Aug 2008