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dye News
Cascaded Neural Networks Help Virtually Re-Stain Tissue Samples
LOS ANGELES, Sept. 19, 2022 — Using a cascaded deep neural network structure, a UCLA research group led by professor Aydogan Ozcan developed a computational approach for chemical-free re-staining of tissue specimens. The AI-powered technique to virtual stain transfer provided high-quality virtual images of different stains using existing, histochemically stained slides. It is a repeatable process that saves time and costs, reduces waste, and preserves the biopsied tissue so that it can be used for additional
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...
Optochemical Storage System Cuts Costs, Resists Data Corruption
CAMBRIDGE, Mass., Oct. 25, 2021 — Fluorescent dyes could play a central role in the quest for optical methods to ensure reliable and cost-effective data storage. A Harvard University research team has devised a way to store digital data in fluorescent dye molecules, using...
DNA Origami Supports Applications In and Beyond Life Sciences
REGENSBURG, Germany, March 26, 2021 — A European research team developed a dye- and DNA programming-based approach for counting molecules present within individual complexes. The approach supports biomedical and life sciences applications, as well as those involving OLEDs, solar cells,...
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...
Superresolution on the SPOT: Imaging Achieves Optical Sectioning
SYDNEY, Nov. 19, 2020 — A technique called SPOT (spectrum and polarization optical tomography) is providing researchers with a “street view” of lipid membranes surrounding cell organelles, thereby allowing insight into lipid dynamics. The work is the result of...
Dye Endures Repeated STED Irradiation
NAGOYA, Japan, Oct. 27, 2015 — Photostable fluorescent dye for superresolution microscopy could serve as a powerful tool to visualize biological events and structural details in living cells for prolonged periods. Researchers at Nagoya University have developed a new fluorescent...
Inorganic Compound Could Replace Laser Dyes
MADRID and PRAGUE, Jan. 14, 2015 — An inorganic compound may serve as a longer-lasting replacement for laser dyes in a variety of applications. A team from the Spanish National Research Council (CSIC) and the Academy of Sciences of the Czech Republic, developed a laser whose medium...
sCMOS Cameras Examine Movements of Pathogens
Mar 11, 2014 — Researchers seek side-effect-free treatment for African sleeping sickness, and fast imaging technology plays a vital role in the effort. It’s an age-old epidemic, and it’s terrifyingly deadly: African sleeping sickness, or...
Dyes Improve Solar Technologies
BUFFALO, N.Y., Jan. 24, 2011 — A new class of photosensitizing dyes that increase the efficiency of light-driven systems has been synthesized by chemists at the University at Buffalo. With the ability to produce two kinds of green energy—solar electricity and...
The art of SERS
CHICAGO – Surface-enhanced Raman spectroscopy (SERS) could help identify forged artworks. Researchers are using it to analyze paintings by 19th-century artist Mary Cassatt and the pastels she used to identify whether the materials were natural, synthetic or...
Solution Makes Smog Glow
PITTSBURGH, Aug. 31, 2009 – Kazunori Koide and colleagues at the University of Pittsburgh have developed a fluorescent solution that glows bright green in the presence of ozone. Compounds that can detect ozone and other oxidants are already in existence, but what makes this...
Plastic, Crystal-Based Solar Cells Being Developed
BRISBANE, Australia, Sept. 7, 2006 -- A University of Queensland researcher is developing ways to make the next generation of solar cells made out of plastics and microscopic crystals instead of silicon. UQ master of physics student Michael Deceglie is working on improving the...
Biotech Startup Granted $1.65M for 'Molecular Beacon'
ATLANTA, July 31, 2006 -- A company co-founded by a Georgia Institute of Technology researcher has received a $1.65 million federal grant to develop and commercialize a nanoscale sensor called a “molecular beacon” for the detection and diagnosis of diseases including cancer....
(15 results found)
May 2024
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