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BioPhotonics - July 2011
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Issue Library
Features
Ophthalmic Lasers Expand from Surgery to Detection and Diagnosis
Lasers are an established surgical tool in an ophthalmologist’s armory against glaucoma, cataracts and macular degeneration, but developments in OCT will have doctors turning to lasers before the patient ever reaches the operating room. The development of lasik surgery has led to a rapid growth in the vision correction market over the past two decades. But lasers are now starting to find a...
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...
Fluorescence Illumination: New Metrics for Reproducibility and Quantitation
An exponential rise in quantitative fluorescence and live-cell work is driving a need for microscopists to understand, control and calibrate their instrumentation. For decades, there has been talk...
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...
Molecular Spectroscopy: Choosing the Right Instrument for the Job
As a field, molecular spectroscopy is as wide as the Mississippi River and as deep as the Mariana Trench. Alone or in conjunction with liquid and gas chromatography instruments, a good spectroscopy...
Editorial
Is biophotonics the key to lower health care costs?
Escalating health care costs are a global concern, and federal governments are working hard to rein in spending and fend off further fiscal calamity. The answers are sure to come from a collaborative exchange among experts in many fields – and biophotonics certainly has a big role to play. The launch earlier this year of the Center for Biophotonic Sensors & Systems (CBSS) created an...
BioScan
Scientists dive into study of squid skin sensors
Researchers at the Marine Biological Laboratory (MBL) are preparing to uncover the way in which cephalopods such as squid, octopi and cuttlefish use light-sensing proteins in their skin to blend into their environment. What they find may lead to artificial materials that respond to their surroundings. Camouflage expert Roger Hanlon, who has spent more than three decades studying the...
Webcam measures medications’ effects on heart
A tool using basic webcam technology enables real-time study of medications’ effects on heart cells – called cardiomyocytes – including any drug-induced changes in the beating rate....
Solar-powered autoclave sterilizes medical instruments
To help solve a long-standing health issue for developing countries, students at Rice University are using the sun to power an autoclave that sterilizes medical instruments. The engineering...
Virus improves solar-cell efficiency
In the body, a virus might knock out your lights, but in a solar cell, it just might be the key to improved efficiency. In solar cells, sunlight hits a light-harvesting material, causing the cells to...
Microscopy shows subcellular protein position
A new polarization-based technique can help researchers deduce the orientation of specific proteins within a cell. By turning their instruments toward the nuclear pore complex – a huge cluster...
Lensless microscope creates 3-D tomographic images
Microscopy has gotten a makeover. Scientists have redefined the concept of an optical microscope by removing the lens, resulting in an imaging system small enough to fit in the palm of a hand but...
"Three blind mice” could find hope in optogenetics
The fabled blind mice in the nursery rhyme could someday get their sight back if other cells of the retina – which are spared by the disease retinitis pigmentosa – can be made sensitive...
Nanoparticles prove safe for toxicology studies
In a mouse study, engineered nano-particles have been proved safe when administered by two alternative routes, marking the first step up the ladder of toxicology studies. Within a year and a half,...
Tryptophan fluorescence enables earlier cataract diagnosis
A widely used method of monitoring protein changes in biophysical research could become a clinically useful tool sensitive enough to diagnose cataracts before significant damage, light scattering,...
RapidScan
Amplitude Systemes
Amplitude Systemes of Pessac, France, has announced that it will open an office in Taipei, Taiwan, to provide sales and technical support to customers in the Asia-Pacific region. The company develops and manufactures diode-pumped ultrafast lasers for industrial and scientific applications. Its products, including amplifiers, fiber lasers and oscillators, have applications in areas such as...
B&W Tek Inc.
B&W Tek Inc. of Newark, Del., has launched the “New Horizons” partnership program, designed to support innovation in scientific research within academic institutions. For this...
ProPhotonix Ltd.
LED systems and laser modules manufacturer ProPhotonix Ltd. of Salem, N.H., will distribute two new high-power laser diodes from 10774%%Opnext, an optical technology provider based in Fremont, Calif....
Idex Corp.
Applied solutions company Idex Corp. of Lake Forest, Ill., announced on May 11 that it had entered into a definitive agreement to acquire 330%%CVI Melles Griot from Norwest Equity Partners. Based in...
Dynasil Corp. of America
Dynasil Corp. of America, based in Watertown, Mass., has incorporated a business unit, Dynasil Biomedical Corp., in Rochester, Minn., to pursue opportunities in the field. Daniel Ericson has joined...
FluxData Inc.
Multispectral imaging systems provider FluxData Inc. of Rochester, N.Y., has licensed from the Rochester Institute of Technology Patent No. 7,554,586, titled “System and Method for Scene Image...
GE Healthcare
Based in Chalfont St. Giles, UK, GE Healthcare, a unit of General Electric Co., has agreed to acquire 1013%%Applied Precision Inc., a supplier of cellular imaging technologies for cell biology and...
Excelitas Technologies
Optoelectronics supplier Excelitas Technologies of Waltham, Mass., has opened an LED Center of Excellence at its facility in Shenzhen, China. The site will serve as a base for the company to develop...
Specialised Imaging Ltd.
Specialised Imaging Ltd. of Tring, UK, a supplier of ultrahigh-speed imaging systems and components for industrial, defense and scientific applications, has received a Queen’s Award for...
ViewPoint
Biophotonics Research, Collaboration Can Lower Health Care Costs
In our May/June issue, we reported on the launch of the Center for Biophotonic Sensors and Systems. Here’s how the research conducted there will affect health care spending, according to the center’s leaders. Innovation and a focus on evaluating the marginal benefits of spending on new innovations are becoming increasingly crucial in providing quality patient outcomes while lowering...
Postscripts
A rocky “see” for mollusks
Combing the beach this summer, you may pick up a mollusk shell, and even if you don’t hear the ocean when you hold it to your ear, the shell could have an interesting story to share – a story about light, vision and rock. Some mollusks actually make their eye lenses from calcium carbonate crystal – specifically, aragonite, scientists say – and these eyes of rock could have...
Products
Linear Variable Filters
Edmund Optics has introduced linear variable filters for individual and combined use. Available in long- and short-pass versions, they feature an interference coating that is wedged in one direction, creating a linear shift of the center wavelength across the length of the entire substrate, enabling broad filtering capabilities. The short- and long-wave filters work inversely to one another. The...
Edmund Optics Inc.
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Atomic Force Microscope
The Dimension FastScan atomic force microscope (AFM) from Bruker Corp. delivers improved imaging speed without sacrificing nanoscale resolution. It produces results in seconds or minutes instead of...
Bruker Nano Surfaces
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Right-Angle GigE Camera
Imaging Development Systems GmbH has released the uEye UI-5490HE, a Gigabit Ethernet camera with an optional 90° angled housing for maximum flexibility in tight spaces. It acquires 10-megapixel...
IDS Imaging Development Systems GmbH
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Light-Scattering System
The W130i from Avid Nano is a high-sensitivity dynamic light-scattering system for size and molecular weight measurement of proteins, biomolecules and nanoparticles. Suitable for use in research...
Avid Nano Ltd.
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Fiber Optic Borescopes
Manufacturers of very small machined or molded medical parts and components can inspect for burrs, surface finish and other defects inside even the smallest components with the new Hawkeye Pro...
Gradient Lens Corp.
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Surgical Lighting
Philips Burton has introduced the Apex line of surgical lighting products for reliable operation, simplicity and ease of use. The products have a 4200-K color temperature and a color rendering index...
Philips Burton
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Scanning Stage Device
Piezosystem jena GmbH has introduced the VTR select feature for use with its flat and ultrafast scanning stage, the PXY AP. For accurate scanning applications, two-axis configurations are normally...
piezosystem jena GmbH
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BBAR Coatings
Xtreme high-durability broadband antireflection (BBAR) precision coatings from ISP Optics are highly efficient and nonradioactive, with durability characteristics for the mid-wavelength infrared 3-...
ISP Optics Corporation
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Microscopy Software
Olympus Europa Holding GmbH has introduced the FV10-ASW 3.0 version of its software for the FluoView FV1000 confocal laser scanning microscopes and FluoView FV1000MPE multiphoton excitation systems....
Olympus Europa SE & Co. KG
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Single-Photon Detectors
ID Quantique SA has broadened its id100 single-photon detector family, which features timing resolution as low as 40 ps and suitable dark count rate based on a reliable silicon avalanche photodiode...
ID Quantique
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CCD Camera
The T-Cam from Specialised Imaging is a compact point-and-shoot scientific CCD camera for high-resolution imaging of transient events. With its high-performance 4k x 3k image sensors, the T-Cam...
Specialised Imaging Inc.
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Miniature Hexapod
PI (Physik Instrumente) L.P. has released a miniature hexapod. The six-axis precision parallel positioner is available in standard and vacuum-compatible versions. The M-811 measures 130 mm in...
PI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo Mechanics
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Stereoscopic Microscope
For use in biomedical and industrial applications, Nikon Metrology Inc. has introduced the SMZ-745 stereoscopic microscope. Its airtight, anti-electrostatic, anti-mold design prevents samples from...
Nikon Metrology Inc.
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