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BioPhotonics - August 2007


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Features
Diagnosis Is Not Only Skin Deep The National Cancer Institute estimates that more than 1 million new cases of skin cancer will be diagnosed in the US in 2007, resulting in more than 10,000 deaths — a disproportionately large number of which will be caused by melanoma. Invasive biopsies, in which skin lesions are removed and examined, are currently the primary means of diagnosing the cancers. However, biopsies can be painful and...
Optical Interference Filters for Fluorescence Spectroscopy and Microscopy Fluorescence techniques are important in biological applications because they enable discrimination between different types of materials and structures. Instruments based on fluorescence techniques...
Vibration Isolation for Biology Vibration-isolation workstations and related equipment are used in laboratories to improve research productivity. As our appetite for greater precision has grown, so has the array of...
RapidScan
Syngene USA Syngene USA of Frederick, Md., a division of the Synoptics Group of Cambridge, UK, has chosen Bartlett-Williams Scientific Resources of Chapel Hill, N.C., and Imgen Technologies of Alexandria, Va.,...
Raydiance Inc. Raydiance Inc. of Petaluma, Calif., has entered into a two-year cooperative research and development agreement with the FDA. Under the terms of the agreement, the administration will use the...
As We Go To Press
Photosynthetic bacterium discovered Although Yellowstone National Park is a popular tourist destination, it is also home to diverse flora and fauna. Within its hot springs, scientists from Pennsylvania State University in University...
Scientists employ microscopy to visualize memories in brain Researchers from the University of California, Irvine, have visualized brain cell connections that are modified by learning. Now neuroscientists likely can use the same method to map where memories...
Optical method could detect early pancreatic cancer Cancer of the pancreas typically is not detected early because the organ is not easily accessible. Thus, once diagnosed, fewer than 5 percent of all pancreatic cancer patients survive for five years....
Tumor ‘paint’ reveals cancer boundaries When removing malignant tumors, it is important for surgeons to know that they have removed all the cancerous cells. This is especially important in the brain, where more than 80 percent of malignant...
BreakthroughMedia
Peptide resource The 10-page “New Peptides” brochure from AnaSpec Inc. is a 2007 supplement to the company’s 270-page “Peptide Catalog 2006-2008,” which was released in June 2006. It specifies the catalog number,...
FTIR spectrometers A2 Technologies has launched a redesigned Web site that provides detailed information on its products, including the Mobility series Fourier transform infrared (FTIR) series spectrometers and the...
Dye selection The 52 × 75-cm poster titled “Spectra of Fluorescent Dyes” is designed to help researchers who use fluorescence microscopy find the appropriate dye and filter combinations for their experiments....
CMOS/CCD sensors Targeted to systems analysts and integrators, the 375-page volume CMOS/CCD Sensors and Camera Systems discusses pixels, datels, disels and resels; radiometry and photometry; and CCD fundamentals,...
Nonradioactive probes Part of the “Methods in Molecular Biology” series, the second edition of Protocols for Nucleic Acid Analysisby Nonradioactive Probes presents the methodologies using new applications. The 336-page...
Protease assays Issue 18 of Cell Notes, a serial publication of Promega Corp., features an article on the use of the Caspase-Glo assays to perform whole-organism screening for apoptosis in zebra fish embryos. It...
Digital cameras Andor Technology has launched a redesigned Web site that features a new home page and navigational structure. The resource provides information on the company’s product range, which includes...
Laser physics Part of the “Physics Textbook” series, the second, revised and enlarged edition of Optics, Light and Lasers: The Practical Approach to Modern Aspects of Photonics and Laser Physics includes new...
Cellular analysis “BioProbes 53,” the July issue of a newsletter published by Molecular Probes Inc., presents articles on the company’s new technologies, including a no-wash, no-quench assay based on the pH-sensitive...
Diagnostic imaging Targeted to radiologists, neurologists, neurosurgeons and pediatricians, the 1100-page volume Diagnostic Imaging: Pediatric Neuroradiology contains numerous images, along with in-depth information on...
Microfluidic biochips The 228-page book Digital Microfluidic Biochips: Synthesis, Testing and Reconfiguration Techniques considers the automated design and production of the biochips for large-scale bioassays and...
Optical filters A manufacturer of optical filters for the biotechnology and analytical instrumentation markets, Semrock Inc. has released its “2007-2008 Catalog.” The 56-page document presents six product families...
Postscripts
Revealing Stone-Embedded Fossils sans Hammer and Chisel Some 200 million years ago, two gliding reptiles sank to the floor of a lake in present-day Virginia. Scientists have characterized the skeletal structures of the creatures — long since entombed in hard gray mudstone — and found them to be unique. But they did not make the identification after count-less hours of toiling with tiny tools and brushes. Instead, the researchers used CT scanning...
Products
Spinning-disk confocal module Leica Microsystems GmbH has unveiled the SD6000 spinning-disk confocal module for the AF6000 LX live-cell station, a confocal microscopy system that can measure total internal reflection fluorescence. The module reduces phototoxicity, enabling long-term cellular experiments. It enables imaging of living cells in real time because it has a rotating pinhole that scans all image points in the focal...
Leica Microsystems GmbH
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Narrow-linewidth laser Available from Toptica Photonics AG, the iWave OEM diode module in the UV and blue wavelength ranges offers output power of >40 mW at 405 nm and a linewidth of <5 cm–1 at 150 GHz and at...
Toptica Photonics AG
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Beam quality analysis Thorlabs Inc. has introduced the BP1M2 series, an extension set for the BP100 series beam profiler that enables automated measurement of the M2 factor, a more accurate expression of beam quality than...
Thorlabs Inc.
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Ultrafast oscillators Femtolasers Produktions GmbH has introduced the Fusion series ultrafast Ti:sapphire oscillators for seeding amplifier chains, multiphoton excitation, time-resolved spectroscopy and terahertz...
Spectra-Physics Vienna
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Pulsed laser The Acryline acrylic polymer tunable Q-switched pulse laser from Elk Industries LLC can produce broadband pulses of <10-ns duration at rates of ≤20 Hz and, with an optional tuning assembly,...
Elk Industries, R-K Manufacturing
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Avalanche photodiode Introduced by Hamamatsu Corp., the G8931-20 InGaAs avalanche photodiode has a response of 0.9 GHz, a spectral response range of 0.9 to 1.7 μm and peak photosensitivity of 0.9 A/W at 1.55...
Hamamatsu Corporation
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Breadboards Kinetic Systems Inc. has announced its Vibralite series breadboards, which provide a stable surface with flatness of ±0.004 in. over a 24 × 24-in. area for laser mounting and assembly, small optical...
Kinetic Systems Inc.
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Fluorescence excitation The precisExcite fluorescence excitation system from CoolLED Ltd. now can be equipped with interchangeable LED array modules with specific excitation wavelengths, and the company says that users can...
CoolLED Ltd.
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Ti:sapphire laser From Kapteyn-Murnane Laboratories Inc., the Wyvern downchirped pulse amplification Ti:sapphire laser provides 20 μJ of power at 100 kHz, pulse durations of less than 50 fs and repetition rates...
KMLabs Inc (Kapteyn-Murnane Laboratories)
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Laser diodes Lumics GmbH has introduced single-emitter laser diodes on high-heat-load U-mounts, which can be used for medical applications. They have wavelengths of 808, 915, 940 and 975 nm. The emitter chips...
Lumics GmbH
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Spectrometer software Operating through a USB connection, the Specsoft 2.2.7 spectrometer software from Photon Control Inc. displays and analyzes data collected by the company’s SPM-001 and SPM-002 spectrometers. The...
Photon Control Inc.
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Telecentric lenses High-resolution double-sided telecentric lenses from Navitar Inc. distort images less than 0.1%, maintain magnification within the entire depth of field and produce neither parallax error nor image...
Navitar Inc.
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Scanning stage Prior Scientific Instruments Ltd. has introduced an ultrasmooth variant of its H117 scanning stage for use with inverted microscopes in 3-D live-cell imaging, confocal microscopy and other...
Prior Scientific Instruments Ltd.
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Tripod nanopositioners The tripod robotic manipulators from Alio Industries are used as nanopositioners for product, test and research applications in the photonics, semiconductor and microelectromechanical systems...
ALIO Industries LLC
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Gel documentation The compact PhotoDoc-It imaging system for basic documentation of gels and plates is configured for limited laboratory space. Available from UVP Inc., it generates color images with a 6-megapixel...
Analytik Jena US LLC
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FTIR spectrometers Designed for use in the laboratory or the field, the VIR-9000 series portable Fourier transform infrared (FTIR) spectrometers from Jasco Inc. feature collimated entrance and exit ports to support a...
JASCO Inc.
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Laser diode Frankfurt Laser Co. has released a single-mode 850-nm laser diode that offers high beam quality and stable Tem00 performance. The FIDL-200S-850C, an AlGaAs/GaAs quantum well structure, is suitable...
Frankfurt Laser Company
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5-megapixel cameras Lumenera Corp. has released a 5-megapixel color camera series for a variety of industrial and scientific applications, particularly those where high resolution and low-light performance are required....
Teledyne Lumenera
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Computational software The Mathematica 6.0 technical computing software includes numerous new capabilities and enhancements and is applicable to a wider range of areas than the predecessor edition. Available from Wolfram...
Wolfram Research Inc.
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Piezoelectrical gripper Grippy 3 gripper systems from piezosystem jena GmbH utilize piezoelectrical actuation to achieve a 300-μm range of motion. With symmetrical arms that open and close in a parallel orientation,...
piezosystem jena GmbH
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Digital camera Point Grey Research Inc. has expanded its Flea2 family of digital camera systems with the addition of the 2-megapixel model. The FL2-20S4 incorporates the Sony ICX274 1/1.8-in. progressive-scan CCD...
Teledyne FLIR Integrated Imaging Solutions
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