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biosensing News
Micro-Ring Resonator Enables Fast, Accurate Detection of Ebola Virus
ST. LOUIS, July 28, 2022 — A diagnostic technique for the Ebola virus uses a micro-ring resonator and a biomarker to quickly identify the presence of the virus in blood samples. Researchers at Washington University School of Medicine developed the technique, in collaboration with colleagues at the University of Michigan and biotech company Integrated Biotherapeutics. In tests, the micro-ring resonator sensor detected the biomarker for the virus — soluble glycoprotein (sGP) — in less than 40 min and at
Method Keeps Liquid Marbles Functional for Microfluidic Systems
NATHAN, Australia, March 11, 2022 — A research team from Griffith University developed a technique that uses condensation to noninvasively refill liquid marbles with water. The method could improve the viability of applications such as drug delivery. According to the researchers, the...
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...
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,...
Rockley Photonics Expands Application Range for Biomarker Sensing Tech
OXFORD, England, Sept. 13, 2021 — Rockley Photonics has expanded the range of possible applications for its noninvasive biomarker sensing technology into new segments of the medical technology field. The company has signed strategic partnerships with two of what it says are the...
3D-Printed Ink Produces Elements with Disparate Optical Effects
EINDHOVEN, Netherlands, Sept. 2, 2021 — A light-reflective, 3D-printable liquid crystal ink could make it possible to use cholesteric liquid crystal — a human-made material found in TVs and smartphones that possesses properties between liquids and solid crystals — to add...
Nondestructive Method Uses Lasers to Characterize Nanomaterials’ Properties
HAMBURG, Germany, June 18, 2021 — A noncontact measurement method that uses laser ultrasound so that the detailed elastic properties of nanostructured materials can be characterized will help engineers and scientists decide whether nanomaterials can be processed into certain...
Polymer Molecules Fluoresce After Chemical Adjustments
ZURICH, April 8, 2021 — ETH Zurich researchers have introduced a method that relies on chemical adjustments occurring in fluorescent organic polymer molecules to generate a broad palette of color. The approach is an alternative to mixing different molecules to achieve...
Broadband MIR Source Facilitates Fiber Optic Sensors
TOKYO, April 6, 2021 — A light source that generates a highly stable broadband mid-infrared (MIR) beam in the wavelength range of 2.5 to 3.7 μm and that, in testing, maintained its full brightness due to its high beam quality supports the simplification of fiber...
Lasers Move Diamond Nanoparticles into Bio Applications
SAPPORO, Japan, March 31, 2021 — Scientists from Hokkaido University, Osaka Prefecture University, and Osaka University showed the ability to use laser beams of different wavelengths, and from opposing directions, to move diamond nanoparticles that are roughly 50 nm in size in a...
Microscope Technology Based on NanoLED Array Platform Moves Toward Commercialization
BARCELONA, Spain, March 16, 2021 — An international team led by researchers at the University of Barcelona developed a superresolution optical chip-size microscope that is supported by nanoLEDs functioning as a light source. The nanoLEDs can determine the resolution of the microscope...
SERS Chip Senses Near the Quantum Limit
BUFFALO, N.Y., Jan. 13, 2021 — University at Buffalo researchers have developed a chemical sensing chip that boasts a range of potential applications, from the detection of illicit substances and dangerous materials, to counterfeit prevention. The chip, which relies on...
Optical Nanosensor Detects, Monitors Arsenic Level in Plants
SINGAPORE, Dec. 9, 2020 — A novel plant nanobionic optical sensor, capable of both detecting and, in real time, monitoring levels of arsenic in underground environments, exhibits changes in fluorescence intensity to indicate the presence and quantity of the metal. Scientists...
AIM Photonics to Lead $19M DARPA-Funded Photonics Program
ALBANY, N.Y., Dec. 2, 2020 — AIM Photonics (American Institute for Manufacturing Integrated Photonics), part of NY CREATES, announced $19 million in research program awards for advanced integrated photonics research projects. The awards are under the Defense Advanced Research...
Photonic Barcodes Pave the Way for Encryption, Biosensing
SINGAPORE, Nov. 3, 2020 — Bioresponsive barcodes, capable of detecting molecules in a single liquid droplet, generated radiative energy that successfully converted dynamic biomolecular information into trillions of distinctive photonic barcodes. Microdroplet radiative energy...
Potential of Periodic Array System Supports Nanophotonics Applications
ALBUQUERQUE, N.M., Sept. 7, 2020 — A research team from the University of New Mexico (UNM) and the Autonomous University of Madrid has applied periodic arrays containing nanoparticles of different sizes — as opposed to more conventional arrays that contain nanoparticles of a...
Plasmonic Patch Boosts Fluorescence for Biosensing, Bioimaging
ST. LOUIS, Mo., July 12, 2018 — To strengthen weak signals in fluorescence-based detection and imaging techniques, researchers have developed an inexpensive plasmonic patch that can increase fluorescence intensity up to 100×. The patch, about a centimeter square, is based on...
Metamaterial a One-Way Street for Visible Light
GAITHERSBURG, Md., July 2, 2014 — A structure based on hyperbolic metamaterials allows visible light to pass in only one direction, creating new possibilities for optical circuits and biosensing. Developed at the National Institute of Standards and Technology, the device integrates...
New Terahertz System Simpler, Clearer
EVANSTON, Ill., June 6, 2014 — Biosensing, space research and the ability to see through opaque surfaces without x-rays are all enabled by terahertz radiation. However, such systems have long been elusive. A team from Northwestern University has produced terahertz radiation in a...
Nanosensors on CDs Simplify Bio Sample Study
MADRID, March 17, 2014 — CD players have been overshadowed by mp3 files in the entertainment world, but in the biology lab, they could be the wave of the future.
Cradle turns iPhone into biosensor
CHAMPAIGN, Ill. – A unique cradle and app for the iPhone use the phone’s own camera and processing power to create a handheld biosensor capable of detecting any kind of biological molecules or cells. The system, developed at the University of Illinois, could...
Cradle Turns Smartphone into Biosensor
CHAMPAIGN, Ill., May 28, 2013 — A unique cradle and app for the iPhone use the phone’s own camera and processing power to create a handheld biosensor capable of detecting any kind of biological molecules or cells.
QDs Are Entering the Mainstream
Feb 1, 2013 — Since their discovery in the 1980s, quantum dots have been quietly gaining momentum, making slow but steady headway in applications from displays and lighting to photovoltaics and health care. Unique and versatile, quantum dots (QDs) are no longer...
Early Career Scientists Honored for Photonics Research
WASHINGTON, Oct. 14, 2011 — A physicist who made a breakthrough in the field of superconducting detectors and a scientist working on the development of nanophotonic devices for optical communications and on-chip biosensing are two of eight photonics-related researchers to each...
Metamaterials: Photonic Sleight of Hand
Sep 1, 2011 — Invisibility cloaks, perfect imaging, enhanced photovoltaic light collection, all-optical memories and biosensing are just some of the intriguing applications of metamaterials currently grabbing headlines in scientific journals. The field of...
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March 2024
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