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Materials News
Ultrashort-Pulse Laser Micromachining Advances Implantable Medical Devices
Sep 10, 2014 — New femtosecond lasers are enabling the development and fabrication of bioabsorbable and ultrafine metal stents for novel treatments. Implantable medical devices such as stents, intraocular lenses, prosthetics and catheters are becoming increasingly complex. The feature sizes of these devices are shrinking both to address new usages and to improve patient outcomes. Stents are now being used for peripheral arteries with tiny dimensions, for example. Additionally, new device materials are
Lens-Free Microscopes Offer Real-Time Bio Imaging
Sep 5, 2014 — A totally different type of microscope will be much smaller and less complex than traditional microscopes, but more powerful. Two years ago, a customer handed Richard Stahl and the imec team a challenge: one year to develop a microscope that could...
Good Ideas, New Uses
Jul 11, 2014 — You just never know where the next good idea or powerful connection will come from. I came across this quote from Dr. Eric Betzig of the Howard Hughes Medical Institute’s Janelia Farm Research Campus while reviewing the pages that make up this...
Light-Sheet Microscopy Advances Biological Study
Jul 11, 2014 — Light-sheet microscopy is faster and less phototoxic than other fluorescence microscopy techniques, making it ideal for studying living organisms and the biological processes that take place within them. Fluorescence microscopy techniques have...
Multispectral Quantitative Phase Imaging Captures Live Human Cells Quickly
Jul 11, 2014 — Within biological systems, structural, chemical and functional information about a system of interest can be extracted from the wealth of spectral data available. This article focuses on the specific application of multispectral imaging to...
The Promise of Advanced Laser-Based Therapy
Jul 11, 2014 — Medical lasers are making rapid progress in numerous new applications including drug delivery, oncology, gene therapy, nerve repair and dentistry. It started with mouse hairs. In 1967, Dr. Endre Mester of Semmelweis Medical University in Budapest,...
Microlens Developers Awarded Kingslake Medal
BELLINGHAM, Wash., July 8, 2014 — Wei Zhang of the National University of Singapore and Hans Zappe and Andreas Seifert of the University of Freiburg in Germany have been awarded the Rudolf Kingslake Medal and Prize for their work on tunable liquid-filled microlenses. Their 2013...
Metamaterial a One-Way Street for Visible Light
GAITHERSBURG, Md., July 2, 2014 — A structure based on hyperbolic metamaterials allows visible light to pass in only one direction, creating new possibilities for optical circuits and biosensing. Developed at the National Institute of Standards and Technology, the device integrates...
Invest in Photonics to return in October
Jun 9, 2014 — Invest in Photonics, a two-day international business convention focused exclusively on photonics-related venture capital investment, is set to return to Bordeaux, France, on Oct. 9 and 10. The fourth biennial convention brings together industry...
Moving Raman Spectroscopy into the Clinic
Jun 9, 2014 — Raman spectroscopy’s molecular sensitivity makes it promising for clinical applications: It can identify pathogens much faster than current methods, investigate circulating tumor cells, help surgeons distinguish tumors from healthy tissue and...
Optodigital Microscopy Enhances Efficiency of Material Testing
Jun 9, 2014 — Automated microscopes can help speed up the industrial quality-control process, saving time and money. Time is money when it comes to industrial work flows, and efficiency is a key priority. This is especially true with regard to one of the SGS...
4 Photonics Projects Get Defense Funding
WASHINGTON, June 3, 2014 — The U.S. Department of Defense has awarded funding totaling $28.3 million for four photonics graduate research projects under its Multidisciplinary University Research Initiative (MURI). Brief summaries of the projects follow. For further...
Challenges Not Insurmountable for Terahertz Spectroscopy
May 19, 2014 — Cost, size and power must be addressed before terahertz spectroscopy can broaden its commercial acceptance – but steps are being taken. Today, terahertz spectroscopy shows promise for some fascinating applications, from detecting illicit drugs...
High Hurdles Daunting But Doable
May 19, 2014 — In the course of writing a feature for this issue on the inroads that quantum cascade lasers are making into the medical arena, I was reminded once again of the many hurdles that new technologies (and devices that employ them) face on the track from...
QCLs for Medicine: The Promise and the Payoff
May 19, 2014 — Although hurdles remain, the promise of quantum cascade lasers in medicine moves closer to realization with the commercial introduction of a microscopy platform, demonstration of a prototype device for breath analysis, and continued research and...
Photoacoustics Applications Expand Beyond Cancer
May 16, 2014 — In March, the first article in this two-part series looked at the potential of photoacoustic technologies to revolutionize cancer detection. This second part will examine uses in diagnosing blood disorders, monitoring diabetes and more. Advances in...
3 Questions with Dr. Giacomo Vacca, Kinetic River Corp.
May 15, 2014 — As founder and president of Kinetic River, Dr. Giacomo Vacca develops and produces biophotonic innovations while helping others bring their own products to life. His San Jose, Calif.-based biophotonic design, consulting and product development...
Insulation through imitation
May 15, 2014 — When temperatures drop, we humans do our best Arctic animal impressions: We don the puffiest coats we can find, insulate our homes with thick mineral wool – even migrate. But we aren’t wild animals, and our bodies cannot insulate...
New Graphene Film Brings Fast, Low-Cost Communications
MELBOURNE, Australia, May 12, 2014 — A new type of graphene is showing potential for ultrafast telecommunications. A team from Swinburne University of Technology has developed the micrometer-thin continuous graphene oxide film, which demonstrates optical nonlinearity suitable for...
Nanoscope Can Probe Chemistry on the Molecular Scale
BERKELEY, Calif., and BOULDER, Colo., May 9, 2014 — The in-depth study of complex molecular systems, from batteries and electronic materials to living cells and even stardust, is now possible with a new imaging technique. Broadband IR synchrotron light has enabled researchers at Lawrence Berkeley...
Plasmonic Probes Help Quantify Breast Cancer Gene Segments
WEST LAFAYETTE, Ind., April 25, 2014 — Hyperspectral imaging using plasmonic probes can ferret out a specific genetic telltale for breast cancer within individual cells, according to recent research from Purdue University. That genetic telltale is BRCA1, a tumor suppressor gene....
Simple Lens-Making Method Turns Phones into Dermascopes
CANBERRA, Austalia, April 25, 2014 — High-resolution silicon polymer lenses can be baked in conventional ovens and attached to smartphones to make an inexpensive microscope.
Carbon Spaser Could Zap Cancer Cells
MELBOURNE, Australia, April 21, 2014 — A carbon-based nanolaser could be used to zap cancer cells, or enable electronics small and flexible enough to be printed on clothing.
Laser Process Allows Precision Design of Nanospheres
HANNOVER, Germany, April 17, 2014 — A laser-based technique for creating light-scattering silicon nanospheres could have applications in medicine and sensor technology.
Lasers Produce Bio-Inspired Surface Functions
Apr 17, 2014 — Lasers can interact with matter in a variety of ways. Depending on the wavelength, the energy of the laser beam and a whole set of other parameters, such as pulse duration or repetition rate, laser photons have countless ways of mingling with the...
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May/Jun 2024
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