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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

Radical new technology could end drilling and filling misery at the dentist

Radical new dental technology could mean the end of the drilling and filling misery many endure at the dentists.

22 Jul 2008

Blue curing light for tumors

A blue curing light used to harden dental fillings also may stunt tumor growth, Medical College of Georgia researchers say.

24 Jun 2008

New laser treatment for vocal-cord cancer

An innovative laser treatment for early vocal-cord cancer, developed at Massachusetts General Hospital (MGH), successfully restores patients' voices without radiotherapy or traditional surgery, which can permanently damage vocal quality.

6 May 2008

FDA approves coronary artery plaque imaging device

The U.S. Food and Drug Administration has cleared for marketing a device that a doctor can use to see inside a blood vessel to assess the fat content of the plaque which builds up on the wall of the coronary arteries.

29 Apr 2008

CoolTouch introduces new laser lipolysis suction handpiece - reduces lipolysis procedure time

CoolTouch Inc. has announced the introduction of their new CoolBlue Duet laser lipolysis suction handpiece set designed specifically to be used with the CoolLipo 1320 laser system.

18 Apr 2008

Combining liver cancer treatments doubles survival rates

By combining the use of stents and photodynamic therapy, also called SpyGlass, physicians at the University of Virginia have been able to significantly increase survival rates for patients suffering from advanced cholangiocarcinoma, cancer of the liver bile duct.

16 Apr 2008

Light-powered nanomachine kills cancer cells

Researchers from the Nano Machine Center at the California NanoSystems Institute at UCLA have developed a novel type of nanomachine that can capture and store anticancer drugs inside tiny pores and release them into cancer cells in response to light.

2 Apr 2008

New understanding of how color vision is processed

New York University biologists have mapped the medulla circuitry in fruit flies, setting the stage for subsequent research on how color vision is processed.

26 Mar 2008

New imaging technique provides better view of Barrett's esophagus

Novel techniques to improve the quality of imaging are helping doctors get a better look at esophageal conditions such as Barrett's esophagus (BE), but they do not necessarily improve the diagnosis or physician agreement on images, according to a study published this month in Gastroenterology , the official journal of the American Gastroenterological Association (AGA) Institute.

12 Mar 2008