Tag: "optical" at medical news

Selective coatings create biological sensors from carbon nanotubes

... a particular chemical and modulate the nanotube's optical properties." To make their biological sensors,...ctron density of the nanotube and consequently its optical properties. "When glucose encounters the enzyme, hydrogen peroxide is produced, which quickly re...

Other highlights in the February 2 JNCI

...ing methods, including magnetic resonance imaging, optical imaging, positron emission tomography, ultrasound, and x-ray computed tomography, that have been used for imaging angiogenic vasculature. Contact: Susan R. McGreevey, Public Affairs Office, Massachusetts General Hospital, 617-724-2764, smcgreevey@pa...

New surgical procedure could save millions

...) laser delivered by a newly developed hollow-core optical fiber, and a pulsed-dye laser delivered by standard solid optical fiber. Each is guided by a high-resolution video-endoscope, and the entire system is delivered to th...

Rice's CNST awards Smalley/Curl funds for innovation

...are studying the synthesis, functionalization, and optical properties of gold nanorods so that they may be us...lar probes for reflectance confocal microscopy and optical coherence tomography--two real-time, high-resolution optical imaging techniques. "These funds are ve...

Prestigious 2004 AAAS Philip Hauge Abelson Prize honors Maxine Singer

...ie's share in the building of two giant, 6.5-meter optical telescopes dubbed Project Magellan. Today, she continues to serve the NCI as Scientist Emeritus. Singer's own scientific investigations have ranged from chromatin structure, to the structure and evolution of defective viruses, to enzymes that work on...

Florida Tech scientist wins patent for device to deliver X-ray irradiation

...oreover, x-rays have higher penetrating power than optical waves, as in laser therapy. Similarly, Mitra's methodology can deliver precise radiation as a medical therapy to shrink tumors. Part of Mitra's research was supported by a grant from the National Science Foundation's Bioengineering an...

Student identifies electrical changes preceding heart failure

...s of heart failure. Next, using a technique called optical mapping, they stained the tissue samples with volt...he emitted light was then collected by a sensitive optical detection system, converted to current and stored on a computer for analysis. Hahn and Akar were abl...

2005 Wilmer Souder Award

...of a very wide range of spectroscopic and electron optical methods for the chemical analysis of dental biomaterial surfaces. Among his spectroscopic achievements are outstanding papers on the analysis of coupled setting mechanismsfree-radical polymerization and acid-base reactions in resin-modified glass ion...

Optical technique identifies vulnerable plaques in cardiac patients

A catheter-based imaging technology called optical coherence tomography (OCT) can successfully identify the characteristics of coronary plaques in patients with various cardiac symptoms. The report from researchers at Massachusetts General Hospital (MGH) will appear in the journal Circulation and ha...

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