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Technique to Suppress Photobleaching Increases Imaging Window
OKINAWA, Japan, April 10, 2018 — To better understand how proteins move and interact within the cell membrane, an imaging method called live-cell single fluorescent-molecule imaging (SFMI) can be used to tag each protein in the membrane individually with fluorescent markers. The proteins are visible under a custom, home-built fluorescence microscope. However, the markers under the microscope photobleach over time; and because of this, researchers using SFMI have only been able to observe individual molecules for about ten
Van Gils Appointed as VTT Research Professor
ESPOO, Finland, April 10, 2018 — VTT Technical Research Centre of Finland has appointed Mark van Gils as research professor in charge of artificial intelligence in wellness and health care. Van Gils has previously worked as a principal scientist at VTT and is also a docent at Aalto...
Gaining Nanoscale Control over Quantum Systems
OAK RIDGE, Tenn., April 9, 2018 — Scientists at Oak Ridge National Laboratory (ORNL) and Vanderbilt University have developed methods to help control the “leaky,” dissipative behavior inherent in quantum systems and materials. To do so, they examined the quantum nature...
Microsensor Could Help Individualize Dialysis Treatment
EINDHOVEN, Netherlands, April 9, 2018 — A new microsensor could make it possible to directly monitor and adjust the composition of kidney dialysis fluid (dialysate) — an important step toward customizing dialysis to the individual patient. The sensor provides a way to monitor the...
Optically Heated Nanotweezers Manipulate Materials at Nanoscale
AUSTIN, Texas, April 9, 2018 — Opto-thermoelectric nanotweezers (OTENTs) have been developed that use light at the nanoscale to manipulate metal nanoparticles in a wide range of materials, sizes, and shapes, with single-particle resolution. OTENTs could open new possibilities for...
Massive Hologram Conveys Jet Engine in Golden Hues
Apr 4, 2018 — Today, most of us need not look very far to see a hologram. They’re a common anticounterfeit feature on driver’s licenses and credit cards. But they weren’t always so commonplace — or small, for that matter. Case in point:...
Cosmic Lens Helps Hubble Capture Image of Most Distant Star Ever Seen
BERKELEY, Calif., April 3, 2018 — Gravitational lensing — the bending of light by massive galaxy clusters in the line of sight — has occurred during a rare cosmic alignment, magnifying a star more than 2,000 times. The phenomenon allowed astronomers to capture an image...
NIR Chemical Imaging Can Help Ensure Safety in Pharma Manufacturing
QUEBEC CITY, April 2, 2018 — Researchers evaluated the ability of NIR chemical imaging (NIR CI) to monitor the concentration of pharmaceutical ingredients in tableting powder over a wide area. Results showed that NIR CI-based predictions of concentration could potentially be...
Confocal Laser Endomicroscopy Uncovers Previously Unknown Organ
NEW YORK, April 2, 2018 — Using novel imaging technology called probe-based confocal laser endomicroscopy, researchers have identified a previously unknown feature of human anatomy which could have implications for the function of organs, tissues and diseases. The technology...
Optically Rewritable LCD Could Enable Flexible Displays
SHANGHAI, March 29, 2018 — Engineers have manufactured a flexible, optically rewritable LCD (ORWLCD) that is about as thin as a piece of paper. The ORWLCD would allow information to be uploaded onto a flexible paperlike display, where it could be updated quickly. As with...
MIR Spectroscopy Could Be Used to Detect Airborne Toxicants
ORLANDO, Fla., March 28, 2018 — Scientists have discovered a way to detect trace amounts of chemicals in the air by using an IR laser to identify the unique frequency individual molecules. The technique is sensitive enough to detect a molecule present in the air at concentrations...
Atomically Thin Light-Emitting Device Could Advance 'Invisible' Displays
BERKELEY, Calif., March 27, 2018 — Engineers have built a bright-light emitting device that is millimeters wide and fully transparent when turned off. The light emitting material in the device is a monolayer semiconductor that is just three atoms thick. Researchers at University of...
New Lens Provides Nanometer-Scale Resolution
HAMBURG, Germany, March 27, 2018 — A multilayer pair of materials, tungsten carbide and silicon carbide, was used to prepare high-efficiency, high-numerical aperture (NA) multilayer Laue lenses (MLLs). In a series of studies, Saša Bajt of Deutsches Elektronen-Synchroton (DESY)...
Semi Material Used for Secure Quantum Communications
MOSCOW, March 26, 2018 — Use of single photons as carriers for quantum bits could enable reliable security during quantum data transmission. Researchers have found that an existing material could be used to build a system for the reliable generation of single photons under...
Imaging System Navigates Fog Better Than Human Vision
CAMBRIDGE, Mass., March 23, 2018 — In what could be a boon for autonomous vehicle technology, a system has been developed that can produce images of objects enveloped in fog too thick for human vision to penetrate. Under actual fog conditions, researchers from Massachusetts Institute...
Ultrathin Materials Combo in QD Enables Tunable Quantum Systems
VIENNA, March 21, 2018 — A new type of quantum dot (QD) has been developed that allows for more accurate and more widely tunable energy levels of confined electrons. The advance in QD technology combines graphene (a conductive single atomic layer of carbon atoms) and...
Point-of-Care Device Could Improve Thyroid Cancer Screening
BARCELONA, Spain, March 21, 2018 — A team of international researchers developed a point-of-care device that could enable consistent and cost-effective screening for thyroid nodules. This novel device builds on the current ultrasound standard with a hybrid optics/ultrasound probe....
Photonic Hook Could Enable Optical Manipulation of Nanoparticles
ST. PETERSBURG, Russia, March 20, 2018 — A curved photonic nanojet, called a photonic hook, was created using an asymmetric cuboid, formed by appending a triangular prism to one side of a cube. Using numerical methods, scientists showed that the trajectory of a probe nanoparticle in the...
Plasmon Findings Could Pave-Way for Carbon-Based NIR Optoelectronic Devices
HOUSTON, March 19, 2018 — Researchers’ observation of gate-controlled quantum plasmons in aligned carbon nanotubes could pave the way for the development of carbon-based NIR optoelectronic devices and enable researchers to study the collective dynamic response of...
Laser Simulations Model Impact of Nuclear Explosions on Asteroids
MOSCOW, March 19, 2018 — Researchers constructed miniature asteroids and blasted them with a laser to model the impact of a nuclear explosion on an asteroid threatening to collide with Earth. The research team showed that a brief laser pulse aimed at a miniature replica of...
Ultrashort Laser Pulses Make Greenhouse Gas Reactive
BONN, Germany, March 16, 2018 — A highly reactive form of carbon dioxide (CO2, created using ultrashort laser pulses, could help reduce dependence on nonrenewable energy sources. Scientists from the University of Bonn used a so-called iron complex, whose center contained a...
Neutron Interferometer Uses Silicon Lenses to Probe Materials
GAITHERSBURG, Md., March 16, 2018 — Scientists have demonstrated that a three phase-grating moiré neutron interferometer in a neutron beam could be a robust candidate for large area interferometry applications and for the characterization of materials. The technique would...
Laser-Heated Nanowires Produce Microscale Fusion
FORT COLLINS, Colo., March 15, 2018 — A dense fusion environment was created by irradiating arrays of nanowires using joule-level pulses from a compact, ultrafast laser. The irradiation of ordered nanowire arrays with femtosecond pulses created ultrahigh energy density plasmas in which...
Holographic Waveguide HUD Touts Larger Eye Box for Enhanced Display
TUCSON, Ariz., March 13, 2018 — Researchers demonstrated a functional prototype head-up display (HUD) that uses optical holographic elements to achieve an eye box substantially larger than what is available without the holographic component. Current head-up displays have a small...
Optical Tool Uses Fluorescence to Detect Metabolic Changes
MEDFORD, Mass., March 12, 2018 — An optical tool that can read metabolism at subcellular resolution could be used to identify specific metabolic signatures that could be indicative of disease. The method detects functional and structural metabolic biomarkers noninvasively using...

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