News tagged with optics express
Flipping a light switch in the cell: Quantum dots used for targeted neural activation
By harnessing quantum dots—tiny light-emitting semiconductor particles a few billionths of a meter across—researchers at the University of Washington (UW) have developed a new and vastly more targeted ...
Feb 08, 2012 |
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Scientists use laser imaging to assess safety of zinc oxide nanoparticles in sunscreen
Ultra-tiny zinc oxide (ZnO) particles with dimensions less than one-ten-millionth of a meter are among the ingredients list of some commercially available sunscreen products, raising concerns about whether ...
Nanotechnology / Bio & Medicine
Nov 30, 2011 |
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Researchers' new recipe cooks up better tissue 'phantoms'
The precise blending of tiny particles and multicolor dyes transforms gelatin into a realistic surrogate for human tissue. These tissue mimics, known as "phantoms," provide an accurate proving ground for new photoacoustic ...
Nov 30, 2011 |
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A smarter way to make ultraviolet light beams
Existing coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption ...
Nov 29, 2011 |
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Manufacturing microscale medical devices for faster tissue engineering
In the emerging field of tissue engineering, scientists encourage cells to grow on carefully designed support scaffolds. The ultimate goal is to create living structures that might one day be used to replace ...
Nov 02, 2011 |
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Physicists develop a method of detecting counterfeit whiskey using spectroscopy
(PhysOrg.com) -- Physicists Praveen Ashok, Bavishna Praveen, and K. Dholakia working together at the University of St Andrews in Scotland have developed a method for testing whiskey for authenticity using ...
Nov 02, 2011 |
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Fast new method for mapping blood vessels may aid cancer research
Like normal tissue, tumors thrive on nutrients carried to them by the blood stream. The rapid growth of new blood vessels is a hallmark of cancer, and studies have shown that preventing blood vessel growth ...
Oct 31, 2011 |
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World's first tunable broadband RF device emerges
A team of researchers from the Universitat Politecnica de Valencia's iTEAM in Spain has created the first, tunable broadband radio frequency (RF) photonic phase shifter. Because it is based on a single semiconductor element, ...
Oct 04, 2011 |
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Researchers study Terahertz radiation's impact on cellular function and gene expression
Terahertz (THz) technologies show promise for myriad medical, military, security, and research applications ranging from the detection of cancer to airport security systems to shipment inspection to spectroscopy. Relatively ...
Sep 13, 2011 |
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Faster diagnostics through cheap, ultra-portable blood testing
Blood tests are important diagnostic tools. They accurately tease-out vanishingly small concentrations of proteins and other molecules that help give a picture of overall health or signal the presence of specific ...
Sep 01, 2011 |
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New magnetic imaging technique heralds advance in spintronics
Impressive results from experiments at Diamond Light Source on magnetic lensless imaging by Fourier transform holography using extended references have been published today in Optics Express, the journal of the ...
Aug 11, 2011 |
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New high-speed 3-D imaging system holds potential for improved cancer screening
Researchers at the Massachusetts Institute of Technology (MIT) have developed a new imaging system that enables high-speed, three-dimensional (3-D) imaging of microscopic pre-cancerous changes in the esophagus ...
Aug 01, 2011 |
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New compact microspectrometer design achieves high resolution and wide bandwidth
A new microspectrometer architecture that uses compact disc-shaped resonators could address the challenges of integrated lab-on-chip sensing systems that now require a large off-chip spectrometer to achieve ...
Jun 20, 2011 |
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Historic first images of rod photoreceptors in the living human eye
Scientists today reported that the tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. Using adaptive optics (AO), the same technology astronomers ...
Jun 08, 2011 |
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Improving DNA sequencing: Sponge-like biosensor crams enormous power into tiny space
Vanderbilt University engineers have created a "spongy" silicon biosensor that shows promise not only for medical diagnostics, but also for the detection of dangerous toxins and other tiny molecules in the ...
May 26, 2011 |
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Optics Express
Optics Express is a peer-reviewed rapid-publication scientific, electronic journal published by the Optical Society of America. It reports on all fields of optical science and technology. The journal is free. The costs are paid by the authors of the published articles.
For more information about Optics Express, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
