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Asia Pacific News
Enhancing Lanthanide-Doped Nanocrystal Upconversion Luminescence Could Improve Bioimaging, Displays
SINGAPORE, Oct. 11, 2021 — At the National University of Singapore (NUS), researchers amplified upconversion luminescence in protein-size lanthanide-doped nanocrystals. The group reconstructed the surface of the crystal to prevent surface-associated energy loss. Tests showed that the approach enhanced photon upconversion eleven thousand-fold. Highly luminescent lanthanide-doped nanocrystals are desirable for use in biomedical applications and optical imaging. However, a large portion of lanthanide dopants
Common-Path Digital Holography Offers Highly Stable Optical Measurement
XI’AN, China, Oct. 5, 2021 — Compact, common-path digital holography could play an important role in the manufacture of highly stable optical measurement and imaging instruments, according to a scientific group at Northwestern Polytechnical University in China. The group...
Compact Biosensor Offers Continuous Detection of Environmental Estrogens
GUANGZHOU, China, Oct. 5, 2021 — A plasmonic optical fiber biosensor, developed by researchers at Jinan and Tsinghua universities, uses light-matter interaction and advanced surface chemistry to achieve ultrasensitive detection of environmental estrogens (EEs). The compact,...
Foldable Display Material Protects Smartphones, Increases Flexibility
SEOUL, South Korea, Sept. 24, 2021 — A cover window for foldable IT devices designed by LG Chem uses newly developed coating technology to make the display surface as hard as glass and the folding parts of the display as flexible as plastic. The coating material protects the display...
Photonic Device to Enable Bio Experiments in Space
BENGALURU, India, Sept. 9, 2021 — Researchers at the Indian Institute of Science (IISc) and the Indian Space Research Organization have developed a modular, self-contained device to cultivate micro-organisms. The work could enable biological research in outer space. Using an LED and...
UV Light Reveals Opportunities for Rechargeable Battery, Fuel Cell Design
TSUKUBA, Japan, Sept. 9, 2021 — Researchers from the University of Tsukuba and collaborators have shown that UV light can modulate oxide ion transport in a perovskite crystal at room temperature. The discovery opens new avenues in perovskite research for rechargeable batteries and...
Scientists Confirm Dynamin Molecular Motor’s Constriction Mechanism
KANZAWA, Japan, Sept. 3, 2021 — A team at Kanzawa University used the measurement technique of single-molecule fluorescence resonance energy transfer, or smFRET, as well as a computable model, to develop a method that determined the strength of an individual dynamin motor....
Photonic Security System's Holograms Prevent Forgery
POHANG, South Korea, Aug. 23, 2021 — Forgeries could become next to impossible with a two-level encrypted holographic security device, built by researchers at Pohang University of Science and Technology (POSTECH). The platform for the technology is a bifunctional, pixelated metasurface...
Single-Spin Color Centers in SiC Cue Up Potential for Quantum Storage Advances
HEFEI, China, Aug. 10, 2021 — A group at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) achieved the high-contrast readout and coherent manipulation of a single silicon carbide divacancy color center electron spin at room...
Photoacoustic Device Modulates Single Neurons with High Spatiotemporal Resolution
BOSTON, Aug. 6, 2021 — An instrument developed at Boston University (BU) could advance fundamental knowledge in the field of neuroscience and lead to treatments for neurological diseases. The tapered fiber optoacoustic emitter (TFOE) uses the optoacoustic effect to enable...
ODT Reveals Insights into Promising Substitute for Petroleum-Based Plastics
DAEJEON, South Korea, Aug. 4, 2021 — Using 3D optical diffraction tomography (ODT), scientists at KAIST (formerly the Korea Advanced Institute of Science and Technology) gained insight into how the biodegradable polyester polyhydroxyalkanoate (PHA) accumulates in the cells of living...
Researchers Develop Octave-Spanning Combs in Aluminum Nitride Resonator
DUBLIN, July 30, 2021 — Collaborators from Ireland and China have demonstrated a method to develop an octave-spanning coherent optical comb with a much lower pump power compared with other techniques that require complicated controlling equipment. The photonic system...
Plasma Coating Offers Cost-effective, Sustainable Alternative to Indium
SYDNEY, July 29, 2021 — Researchers from the University of Sydney have developed a low-cost, sustainable, and readily available technology that can dim the screens of electronic devices, antireflection automobile mirrors, and smart architectural windows at a fraction of...
Data Transmission System Uses 4-Core Optical Fiber, Sets Distance Record
TOKYO, July 22, 2021 — A research team led by Benjamin J. Puttnam at the National Institute of Information and Communications Technology (NICT) reported that it transmitted data over a distance of more than 3000 km (1860 miles) at a rate of 319 Tbit/s and a transmission...
Optical Power Limiter Pushes Attack-Proof Quantum Communication Forward
SINGAPORE, July 19, 2021 — Researchers from the National University of Singapore (NUS) developed two methods to enable quantum key distribution (QKD) communications to avoid side-channel attacks — instances in which attackers exploit weaknesses in the setup of the...
Cranial Windows Allow Simultaneous Imaging of the Brain’s Different Regions
WASHINGTON, D.C., July 13, 2021 — Researchers from Tsinghua University have developed a way to image multiple areas of the brain at the same time, both on the brain’s surface and deep inside the brain. Since brain processes often span multiple regions of the brain, researchers...
Daily-Use Light Source Converts IR to Blue Light for Sterilization, Disinfection
OSAKA, Japan, June 25, 2021 — A microcavity device that converts infrared (IR) radiation into blue light could enable safe, daily use of deep ultraviolet (DUV) light for disinfection and sterilization. The device was developed by a research group from Osaka University and was...
Lattice Light-Sheet Microscopy Targets Malaria
MELBOURNE, Australia, June 22, 2021 — With the help of a custom-built lattice light-sheet microscope, researchers at the Walter and Eliza Hall Institute (WEHI) captured high-resolution 3D video images of individual malaria parasites (Plasmodium falciparum) invading red blood cells in...
Molecular Coating Outperforms Traditional Material to Improve Solar Cell Performance
THUWAL, Saudi Arabia, June 22, 2021 — Experiments showed that a coating just one molecule thick can significantly enhance the performance of an organic photovoltaic cell (OPV). In performance, the coating outperformed PEDOT:PSS, which is the leading material used for the same task. In...
Method Makes Generic Polymers Luminescent
SAPPORO, Japan, June 15, 2021 — A Hokkaido University research team has developed a method to give luminescent properties to generic polymers, potentially transforming existing commodity polymers into more valuable functional materials. The technique is based on mechanical force,...
Low-Cost Synthetic Diamond Fabrication Could Step Up Quantum Tech
SYDNEY, June 8, 2021 — Using a thin tungsten layer as a restraining, conductive, removable hard mask, researchers at the University of Technology Sydney (UTS) developed a method for the fabrication of synthetic diamond. The developed material can be used for the photonic...
Light Unites on IDL 2021
PARIS, May 16, 2021 — May 16, 2021 marks the fourth annual International Day of Light (IDL 2021). Fifty countries have acknowledged their participation in outreach and educational initiatives, and many have already launched their celebrations around the world. The 5th...
Raman Spectroscopy Platform Delivers Insights on Intrinsically Disordered Proteins
HONG KONG, April 30, 2021 — Researchers from the Hong Kong University of Science and Technology (HKUST) developed optical tweezers-coupled Raman spectroscopy that can directly probe the structural features of alpha-synuclein, an intrinsically disordered protein (IDP) that is...
Near-Infrared Hyperspectral Approach Quantifies Fat Distribution in the Liver
TOKYO, April 21, 2021 — Researchers from Tokyo University of Science and Osaka University used near-infrared hyperspectral imaging to quantitatively analyze the distribution of lipids in a mouse liver. The ability to do so, using hyperspectral imaging, charts a course for...
Cuprous Iodide Film Shows Promise for Semiconductors, Optoelectronics
SAITAMA, Japan, April 9, 2021 — Physicists from RIKEN have taken a step to enhance semiconductor performance, developing a single-crystal thin film of cuprous iodide. The film is atomically flat and free of any defects. Conventional approaches for fabricating thin films of cuprous...
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May 2024
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