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Optogenetic Technique Recovers Lost Memories in Alzheimer Mouse Model
An experimental optogenetics technique has been applied to a mouse model of Alzheimer’s disease (AD) to rescue memories. The study revealed that spines — small knobs on brain-cell dendrites through which synaptic connections are formed — are essential for memory retrieval and that fiber optic light stimulation could be used to regrow lost spines, enabling the mice to remember a previous experience.
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NIR Light, Gold Nanoparticles Combine to Inactivate Bacteria
A rapid photothermal technique has been developed that irradiates near-infrared (NIR) light to inactivate bacterial cells, such as E. coli, deposited on surfaces coated with gold nanoparticles. The method could one day help hospitals treat some common infections without using antibiotics, which could help reduce antibiotic resistance. Scientists from the University of Houston created nanoporous gold disks (NPGDs) in the lab by dissolving gold and reducing it to nanometer-scale particles. Once miniaturized, the particles could be crafted into various shapes including rods, triangles or disks.
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Graphene Plasmons Explored for Nanoscale Control of IR Light
The ability to capture IR light with graphene nanostructures could open new opportunities for ultrasmall and efficient photodetectors, sensors, and other photonic and optoelectronic nanodevices. When light couples to charge oscillations in graphene the result is plasmon — a mixture of light and charge oscillations — which can be squeezed into miniscule volumes that are millions of times smaller than in conventional dielectric optical cavities.
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Brookhaven’s Functional Materials Center Appoints Charles Black Director
Charles Black has been named director of the Center for Functional Nanomaterials (CFN), a U.S. Department of Energy Office of Science User Facility located at Brookhaven National Laboratory. Black, who is also the group leader for Electronic Nanomaterials at CFN, joined Brookhaven Lab in 2006 as a scientist and became leader of the Electronic Nanomaterials Group the following year.
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Precise Wavelength Used to Gently Image Lungs of Newborns
To avoid the harmful radiation resulting from x-rays, near-infrared (NIR) spectroscopy has been used to image oxygen concentrations in the lungs of newborns, a technique that could be used to noninvasively monitor premature babies with underdeveloped lungs and increase survival rates. Emilie Krite Svanberg, an anaesthesiologist and researcher at Lund University, reported a spectroscopic method using precisely 760.445-nm light.
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ISP Optics - Vertically Integrated Manufacturer of IR Optical Components
ISP Optics Corporation is a vertically integrated manufacturing company of IR Optical Components. Every step in the manufacturing process - from crystal growth to final inspection - is controlled by ISP. This ensures the customer receives a quality product, from a trusted name with over 20 years of industry expertise.
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NY State commits $585M to Marcy Nanocenter Read Article
UK Researchers Prove Eye-Safe Laser Aircraft Tracking Concepts Read Article
Lasers Detect Bacterial Growth in Food Quickly, Accurately Read Article
Zecotek’s Scintillation Crystals Ordered for Radiation Detectors Read Article
NKT Photonics Acquires Fiber Laser Firm Fianium for $30M Read Article
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Custom Flat Optics Manufacturing
Sydor Optics, Inc.
Sydor Optics is a custom manufacturer of precision flat-surfaced, parallel and wedged glass optical components specializing in double-sided polishing, continuous pad & pitch polishing, CNC machining and laser machining. More Info
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New pco.edge 4.2 Meets CLHS
PCO-TECH Inc.
Camera combines an advanced generation sCMOS sensor (2048 X 2048 pixels) with Camera Link HS (CLHS) interface. The pco.edge 4.2 provides a peak quantum efficiency (QE) of up to 82%. More Info
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USB Microstage has Built-in Controller
New Scale Technologies
The M3-LS Linear Smart Stage is a direct-drive, high-precision micro stage built for fast, simple integration into miniature OEM systems. All drive electronics are integrated right into the compact stage housing – no external board needed. More Info
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IR Thermopile Array 80x64 Pixel
Heimann Sensor
Heimann Sensor is a well-known manufacturer of infrared sensors and modules. Applications include remote temperature measurement and gas detection in industrial, medical, automotive and consumer markets. More Info
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Sensors Expo & Conference
June 21-23, San Jose, CA
The Sensors Expo & Conference Program consists of over 55 technical sessions and five pre-conference symposia. Technologies to be showcased during the exhibition include IR sources, detectors and systems, optical components such as specialized lenses and coatings, chemical and biological sensing, high-speed imaging and sensing, robotics, displays and photonic, multispectral and hyperspectral sensors.
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FLIM (Fluorescence Lifetime Imaging in the Frequency Domain) in a Nutshell
Thu, Apr 14, 2016 1:00 PM - 2:00 PM EDT
Due to advancements in CMOS image sensor technology a new camera system, pco.flim, has been created to allow for easy and fast fluorescence (and phosphorescence) lifetime imaging. The webinar will shortly reintroduce the principle of photoluminescence lifetime imaging. Based on the principle of frequency-domain luminescence lifetime imaging, the features of the new pco.flim camera will be discussed. Further, the simple experimental setup with a microscope in conjunction with an appropriate excitation light source will be shown. Based on experimental results with Förster resonance energy transfer (FRET) and endogenous fluorescence applications, the advantages and limitations of the new FLIM system will be presented.
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CALL FOR ARTICLES!
Photonics Media is currently seeking technical feature articles on a variety of topics for publication in our magazines (Photonics Spectra, Industrial Photonics, BioPhotonics and EuroPhotonics). Please submit an informal 100-word abstract to Managing Editor Michael Wheeler at [email protected]
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