An international team of physicians and medical school students demonstrated in vitro a new quantitative microscope technology based on stimulated Raman scattering (SRS) that could allow surgeons to distinguish normal brain tissue from tumors in real time. The new technique,...
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Fluorescence Microscopy can track the Inflammation Process in real time
Researchers, using fluorescence microscopy, have found that the enzyme 5-lipoxygenase (5-LO) plays a pivotal role in regulating inflammation activities, and would be a promising target for new drugs to treat inflammatory diseases. Read more...
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Raman Spectroscopy method can analyze kidney stones rapidly
Kidney stones are often no larger than a grain of rice, yet some can grow to measure several centimeters in diameter. Sometimes, a kidney stone might block the ureter, causing colic pain in the flank. If it cannot be dissolved,...
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Zero-Refraction Metamaterial Promising for PICs
The first on-chip metamaterial with a refractive index of 0 gives light an infinite phase velocity, which could be advantageous for manipulating light in photonic integrated circuits. The metamaterial consists of silicon pillar arrays embedded in a polymer matrix and...
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Microscopes Expand Operating Room Capabilities
Surgeons have long used microscopes to help them perform their delicate work. But, in this setting at least, microscopes have traditionally done little more than magnify. Two devices aim to change that by helping to differentiate healthy and diseased tissue...
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Augmented Reality Head-Up Displays Point The Way Toward Self-Driving
Head-up displays (HUDs) have been available in cars for over 30 years, but have never quite caught on. That could change as vehicles become more laden with driver assist systems – and their visual alerts – that will eventually lead...
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Microfluidics Opens a Window Into Unseen Worlds
A promising solution rests at the intersection of engineering and biology: microfluidics. Using tiny customized remixes of the classic biological petri dish, researchers can simulate conditions found in a body and control for specific variables such as enzyme changes or...
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Automatic X-ray screening for Tuberculosis
Tuberculosis (TB) is widespread among immunocompromised HIV-positive patients in developing nations that have scarce medical resources. Tackling the disease, while at the same time avoiding complications of antiretroviral (HIV) treatment, requires rapid-result tests for detecting infection. Read more...
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UV Catheter Plugs Holes in Hearts
With help from UV light, a catheter device could provide a way to repair defects in hearts and other organs without surgery. The device has already been used successfully in animal studies, and was developed jointly by researchers from Boston...
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Optical Sensor-driven Device can count White Blood cells through the skin
An international team of researchers has developed a portable device for placing on the fingertip that counts white blood cells without a blood test. The technology, which combines an optical sensor with algorithms, is designed for use on chemotherapy patients,...
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