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Fluorescence News
Expanding the Range: Wearables Enable the Next Level of Mobile Health Data Monitoring
Jun 20, 2022 — The next generation of wearable devices will no longer be created only for the fitness-conscious to monitor their daily steps or heart rate on a smartwatch. Increasingly sophisticated photonic components such as LED arrays and specialized lasers, as well as a gamut of sensors and detectors contained within mobile equipment attached to the body, will be able to monitor spectral data within both the visible and infrared ranges.
Probe detects cooking oil gone bad
Jun 8, 2022 — Most people who eat in restaurants probably don’t think about how often the staff changes the oil in which the food is cooked. But what patrons don’t know can still make them sick. Fortunately, researchers have developed a fluorescent...
Spectral Monitoring Reveals the Health of River and Lake Ecosystems
Jun 7, 2022 — Rivers represent just a small fraction of the water on Earth’s surface, but they serve as vital natural resources for numerous cities and communities worldwide. River systems supply food and water, they can be a means of transport and...
Laser Endomicroscopy Enables Real-time Detection of Lung Cancer
PHILADELPHIA, May 23, 2022 — Researchers at the Abramson Cancer Center at the University of Pennsylvania have developed a method to detect lung cancer at the cellular level in real time during biopsy. The method ensures earlier detection of cancer cells that may have been too...
Fluorescence Sensing Identifies Cancer Indicators in the Brain
MÜNSTER, Germany, May 19, 2022 — Researchers at the University Hospital Münster and Paris-Saclay University established a method to correct for artifacts caused by changes in blood flow, and recorded cell-specific lactate levels in rat brains using fluorescence signals from...
Internal Reflection-Based Microscopy Images Single Protein
PHOENIX, May 5, 2022 — A team from Arizona State University (ASU) has introduced evanescent scattering microscopy (ESM), a label-free method for sensitive imaging of biomolecules, including proteins. The single-molecule microscopy technique is based on total internal...
Microsize Molecular Machines Swarm for Drug Delivery
SAPPORO, Japan, April 25, 2022 — Scientists at Hokkaido University demonstrated light-manipulated microsize molecular machines, or robots, that performed cargo delivery through a swarming strategy to ultimately achieve a transport efficiency 5× greater than that of single...
Safe, Ingestible Fluorescent Silk Tags Authenticate Medications
WEST LAFAYETTE, Ind., April 22, 2022 — To help block the flow of counterfeit medications, researchers at Purdue University and the National Institute of Agricultural Sciences in South Korea developed edible fluorescent tags that can be coded and added to pills or liquid medicine. Each...
Rotating Laser Enables Faster, Longer Imaging of Cells
FREIBURG, Germany, April 20, 2022 — A microscopy method developed at the University of Freiburg is able to resolve cellular-level detail without fluorescence, enabling observations 100 to 1000× longer and 10 to 100× times faster, with almost double the resolution. The...
Microscope Marks Head-Mounted Advance Toward Treating Neurological Disorders
WASHINGTON, D.C., April 8, 2022 — Researchers from the University of Colorado Boulder, the University of Colorado Anschutz Medical Campus, and Arizona State University have developed a head-mounted, lightweight, fluorescence microscope that provides full 3D imaging and enhanced...
Fluorescent Dye-Based Device Could Help Prevent Tooth Decay
SEATTLE, March 24, 2022 — An optical device in development at the University of Washington (UW) could help prevent tooth decay by identifying at-risk teeth before cavities have had a chance to start to develop. The prototype, called O-pH, uses a low-power light system and an...
Emerging Cytometry Method Characterizes Immune Cells in the Lungs
MÜNCHEN, Germany, March 7, 2022 — Researchers at the Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM) have developed a procedure for characterizing immune cells in the lungs. The characterization method uses a technique called chip cytometry, and it offers...
Three-Photon Microscopy Reveals Immune Cell Behavior in Real Time
ITHACA, N.Y., Feb. 10, 2022 — A research group from Cornell University has used three-photon microscopy to image the full depth of the popliteal lymph node in a living mouse — reportedly for the first time. The researchers successfully observed the dynamic interactions of...
Biosensor Barcodes Track Cancer Cell Communications
BALTIMORE, Dec. 7, 2021 — Johns Hopkins University researchers have developed a method for identifying and tracking cells in a manner similar to the way barcodes are used to identify and track products. The team used the method to study the way that cancer cells...
Fluorescent Sensors with Noncanonical Amino Acids Could Broaden Sensor Use in Biological Studies
PHOENIX, Oct. 21, 2021 — Although fluorescence tools for biological study abound, some processes, such as the interactions between proteins and metabolites, are challenging to investigate with the tools that currently exist. However, a research group led by professor Jeremy...
Synthetic Fibers Light the Path for Molecular Motion
NOTTINGHAM, England, Oct. 19, 2021 — Research from the University of Nottingham demonstrated the use of synthetic fibers to drive molecular motion over long distances, fueled by light. The work may open avenues for the use of light as a source of sustainable energy, as well as in...
Lens-Free Fluorescence Microscope to Achieve High Throughput, Resolution
LEUVEN, Belgium, July 5, 2021 — A fluorescence microscope being developed by imec researchers will be able to achieve high throughput and high resolution, without a lens component. The technology could significantly speed up next-generation DNA sequencing and cellular research, as...
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...
Plasmonics and Microfluidics Speed Detection of Lyme Disease
Apr 5, 2021 — When a person develops Lyme disease from a tick bite, identifying the tiny culprit can be challenging. The insect itself is difficult to see in the grass or forested area it comes from before burrowing into the person’s skin. The symptoms of...
Kinetic River Develops Autofluorescence Removal Technology
MOUNTAIN VIEW, Calif., March 26, 2021 — Flow cytometry instrumentation company Kinetic River Corp. completed a small business innovation research (SBIR) project funded by the National Institutes of Health (NIH). The award funded the development of the company’s...
Microscopy Method Resolves Fluorescence at Nanometer Scale
GÖTTINGEN, Germany, March 24, 2021 — Researchers led by Stefan Hell at the Max Planck Institute (MPI) for Biophysical Chemistry and the Heidelberg-based MPI for Medical Research have developed a light microscopy method, MINSTED, that is able to resolve fluorescently labeled details...
Charge Clusters in a Monomeric Protein Alter Optical Absorption
Mar 23, 2021 — Electronic absorption of proteins that lack cofactors, prosthetic groups, or noncoded amino acids as part of their structure has traditionally been thought to originate from protein backbone (peptide bond) and aromatic chromophores in the side...
Technique Enhances Effect of Fluorescence Lifetime Microscopy
TOKUSHIMA, Japan, Jan. 7, 2021 — Researchers from Tokushima University have developed a method of fluorescence lifetime microscopy that does not require mechanical scanning. The technique drastically increases the effectiveness of fluorescence lifetime microscopy (FLIM). A major...
Endoscope Designed to Image 3D Visible, Near-Infrared Ranges
BEIJING, Dec. 24, 2020 — Researchers from the Chinese Academy of Science developed an endoscope capable of acquiring 3D visible light and near-infrared fluorescence images at the same time. The optical design combined high-resolution 3D imaging capabilities with the ability...
Synthetization Process Yields Green Light-Emitting Idolizines
MOSCOW, Dec. 11, 2020 — Chemists from the Peoples’ Friendship University of Russia (RUDN University) have introduced a new approach for synthesizing indolizines, a group of organic substances with biological and optical properties. The method, which uses pyridinium...
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May/Jun 2024
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