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Features
Optical Spectroscopy Gives a Sharp Gaze into Tissues
Various forms of spectroscopy are used to investigate the optical properties of tissue samples. Techniques such as diffused reflection and fluorescence spectroscopy are used to search for liver contaminants, to identify oils and lotions on skin, to separate normal tissue from tumors, and to confirm the quality of foodstuffs. Animal tissues, for example, reveal their water and lipid contents under the view of standard spectroscopy equipment because they absorb light at 972 and 930 nm,...
BioPhotonics, July 2011
The (Never Ending?) Search for Higher-Resolution Microscopy
Can optical microscopy further shred the Abbe diffraction limit? Is it important to even try? Until about two decades ago, optical microscopists were stuck viewing their samples with a resolution no better than 200 nm. Now, well-funded labs have...
BioPhotonics, July 2011
Aesthetic Laser Market Is More Than Skin Deep
Sculpting, toning and smoothing: Aesthetic lasers can beautify us in ever more innovative ways. And with lasers operating at more wavelengths, configurations and options than ever, the number and range of treatments continue to expand, making the...
BioPhotonics, May 2011
Creating Cost-Effective Biomedical Filters
As the demand for high-precision biotech filters continues to rise, so does the need to drive down the cost of end products. While such filters have especially rigorous coating requirements , they are often overspecified for the intended...
BioPhotonics, May 2011
ECBO Promotes Advances in Biomedical Optics
The development and application of optical techniques and tools for biomedical imaging, diagnostics and therapy have been continuously expanding for several decades. These advances are based on multidisciplinary efforts requiring contributions from...
Photonics.com, May 2011
Laser Munich Brings Science and Industry Together
There is a lot of variety in photonics, and the Laser World of Photonics trade fair and World of Photonics Congress, to be held concurrently from May 23 to 26 at New Munich Trade Fair Centre, will cover the full spectrum of technologies. Industry...
Photonics.com, May 2011
Making Multiphoton Microscopy More Useful
Multiphoton microscopy techniques – including two-photon fluorescence and single-harmonic generation (SHG) – have blossomed over the more than 20 years since they first became widespread, but they continue to evolve, becoming more useful...
BioPhotonics, May 2011
New sCMOS vs. Current Microscopy Cameras
Since the launch in late 2010 of imaging cameras based on a new 5.5-megapixel scientific CMOS (sCMOS) sensor, there has been much speculation about whether sCMOS will become a technology replacement for interline CCD and electron-multiplying CCD...
BioPhotonics, May 2011
High-Power Diode Lasers for Laser Surgery
Laser-based surgery is staking an increasingly important claim in operating theaters across the world. More specifically, a class of devices called high-power diode lasers (HPDLs) provides numerous advantages over instrument-based surgery as well as...
BioPhotonics, April 2011
Protecting Food Resources through FTIR Spectroscopy
People have complicated relationships with food. Some eat too much, others too little. Many have no idea what they are eating; others are hyperaware and strive for the best dining experience possible. None of us wants to be misled about what we are...
BioPhotonics, April 2011
Time-Lapse Microscopy Captures Cells in the Act
Viewing biological processes as they happen provides a fascinating insight into cell behavior and can unveil vital clues about developmental milestones that have been puzzling scientists for some time. Time-lapse microscopy (TLM) involves...
BioPhotonics, April 2011
Tissue Imaging with Raman Spectroscopy and SERS
Recent years have seen an increase in the use of gold nanorods (GNRs) as contrast agents for in vivo optical imaging, with applications including near-infrared transmission imaging and photoacoustic tomography as well as surface-enhanced Raman...
BioPhotonics, April 2011
With lasers, surgery on the cutting edge
There’s more to laser surgery than meets the eye – meaning that there’s more to surgical lasers than vision correction. For instance, lasers are used to treat throat cancer, to remove excess prostate tissue and to remodel cells....
BioPhotonics, April 2011
Confocal microscopy gets smaller and faster – and branches out
George McNamara would like confocal microscopes to count. When McNamara, image core manager at the University of Miami’s Miller School of Medicine, says this, he isn’t talking about the importance of the four confocal instruments he...
BioPhotonics, March 2011
Fiber lasers are closing the technology gap
Ultrafast fiber lasers, found in countless research laboratories around the globe, are popular tools for physicists and biologists. Favored for being compact and reliable, fiber lasers also come at a fraction of the cost of comparable solid-state...
BioPhotonics, March 2011
Raman Allows Light-Therapy Monitoring
The goal of preventive medicine is to stop illness before it begins, or to discover and treat disease before it spreads and becomes serious. There are many approaches to preventive medicine today, including screening for high blood pressure and...
BioPhotonics, March 2011
Small Animals, Big Achievements
Small-animal imaging is integral to a variety of preclinical imaging applications – with researchers monitoring changes in organs and tissue, for example, in response to physiological or environmental changes. A host of imaging modalities have...
BioPhotonics, March 2011
Biomedical Applications Revealed for Terahertz Spectroscopy
Beyond the infrared, but just before you arrive at the microwaves, awaits an emergent area of opportunity for biomedical research: the terahertz region. Spanning from 0.3 to 3 THz (equivalent to 100 to 1000 µm), this wavelength range allows...
BioPhotonics, February 2011
Femtosecond Lasers Enable Bladeless Eye Surgery
In the past few years, femtosecond lasers have become the “bladeless scalpel” of choice for ophthalmic surgeons. By nature, femtosecond lasers produce extremely brief, high-energy light pulses that can sear targeted tissue so quickly and...
BioPhotonics, February 2011
Not Your Father’s Microscope
Researchers have devoted increasing effort to developing microscopes that can be used in the field for global health applications. Some have started with the conventional microscope design, condensed it and replaced many of the existing components...
BioPhotonics, February 2011
Cooperation + Openness = Innovation
Producing a winning idea is not an instantaneous event but an ongoing process. Even if you are struck with an inspiration for a novel technology, for a better way to accomplish an everyday task, or for a new application or market for a biophotonics...
BioPhotonics, January 2011
Polymer Optics for Thermally Stable Imaging
There is currently a soaring demand for high-performance optics and optical systems applications in the fields of optometry, biomedicine, microscopy, and a number of related scientific and industrial fields. Due to advances in the microelectronics...
BioPhotonics, January 2011
Q & A: Trends in Life Sciences Spectroscopy
Optical spectroscopy can be used to monitor nearly everything with which we come into contact – food, water, air, chemicals – as well as the state of our health and the health of our world. It can be used in research labs and in...
BioPhotonics, January 2011
Superresolution: Reality or a “STORM” in a Teacup?
Imagine “zooming into the cell”1 and seeing not only the most delicate structures but critical processes in action. Well, superresolution (SR) imaging allows biologists and chemists to do just that. In 2008, Nature voted this new field...
BioPhotonics, January 2011
Ultrafast Lasers for Microscopy: Flexibility Plus State-of-the-Art Performance
Nonlinear microscopic imaging techniques are playing key roles across many areas of life sciences research because they can perform high-resolution, three-dimensional spatial imaging of specific chemical targets (labeled and unlabeled) in real time...
BioPhotonics, January 2011
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