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fluorescent proteins News
Fluorescent Protein Combines Record Brightness with Fast Folding
AMSTERDAM, April 13, 2023 — The University of Amsterdam research team that introduced the red fluorescent protein known as mScarlet in 2016 has introduced an improved variant of the marker. A version of mScarlet called mScarlet3 delivers a quantum yield of 75% and a fluorescence lifetime of 4.0 ns. In addition to providing what the researchers said is record-level brightness, mScarlet3 provides fast, complete maturation. Fluorescent proteins like mScarlet3 are attached to cells to help scientists observe the
Fluorophore Modified to Expand Monitoring of Cell Dynamics
OSAKA, Japan, Nov. 28, 2022 — A genetically modified fluorescent protein has exhibited the shortest fluorescence emission wavelength to date, researchers at Osaka University reported. The fluorophore, named Sumire, emits 414-nm violet fluorescence from a hydrated chromophore....
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...
In FET Open Project, Researchers Chart Course for Bio-LEDs
GRAZ, Austria, March 5, 2020 — Scientists at Graz University of Technology (TU Graz) are working with research teams from Spain and Italy on environmentally friendly, inexpensive LEDs. The Graz team, led by Gustav Oberdorfer, is designing proteins with the help of simulation...
Molecular Movies Enhance Bioimaging, Health Research
CORVALLIS, Ore., and EDMONTON, Alberta, Canada, July 2, 2014 — While they won’t be hitting the red carpet anytime soon, bioimaging and health research are becoming molecular movie stars. A team from Oregon State University and the University of Alberta has created a biosensor imaging system that allows...
Pointing Light Toward Faster Optical Communications
PASADENA, Calif., Dec. 10, 2012 — A device that focuses light into a point just a few nanometer across could lead to more efficient optical devices and higher-resolution imaging systems.
Diatom Biosensor Could Detect Chemicals in Water
SEQUIM, Wash., March 30, 2012 — A biosensor made of fluorescent proteins that are embedded in the shell of microscopic marine algae called diatoms could help detect chemicals in water samples. The device could help produce nanomaterials that can solve sensing, catalysis and...
Proteins Shine a Brighter Light on Cellular Processes
GRENOBLE, France, March 22, 2012 — A molecule capable of emitting turquoise light within living cells three times brighter than ever achieved could improve the sensitivity of cellular imaging.
‘Guide Stars’ Improve Adaptive Optics-Based Tissue Imaging
SANTA CRUZ, Calif., Aug. 3, 2011 — Inspired by adaptive optics (AO) technology for telescopes, researchers are developing novel microscope techniques that can deeply image living cells and tissues. Funded by a $1 million grant from the W.M. Keck Foundation, the new W.M. Keck Center...
Bright Boost for Fluorescent Probes
PITTSBURGH, Aug. 26, 2010 – Researchers from Carnegie Mellon University’s Molecular Biosensor and Imaging Center (MBIC) are turning up the brightness on a group of fluorescent probes called fluoromodules that are used to monitor biological activities of individual...
QDs Improve Medical Imaging
GAITHERSBURG, Md., Nov. 19, 2009 – Changes in a living cell that take place over a long period of time are difficult to scrutinize and require high-spatial-resolution imaging. But new research now makes it possible to analyze activities that occur over hours or even days inside...
Parametric Oscillator
Aug 1, 2009 — The compact Chameleon OPO (optical parametric oscillator) from Coherent Inc. is an alignment-free, fully automated and computer-controlled device that is suitable for use in multiphoton excitation microscopy. Featuring a wavelength range from 680 to...
Glowing Proteins See Cells
BRONX, N.Y., Jan. 27, 2009 – New fluorescent proteins have been discovered that allow scientists to noninvasively visualize the structures and processes in living cells at the molecular level. Researchers at Gruss Lipper Biophotonics Center at Albert Einstein College of...
Visible Thought Process
MUNICH, Germany, Oct. 2, 2008 – According to an international team of scientists, the introduction of fluorescent indicator proteins into the brain light up when neurons are communicating with each other. The team, led by Mazahir Hasan of the Max Planck Institute for Medical...
DYE SELECTION
Aug 1, 2007 — The 52 × 75-cm poster titled “Spectra of Fluorescent Dyes” is designed to help researchers who use fluorescence microscopy to find the appropriate dye and filter combinations for their experiments. Available from Olympus Life and Material Science...
(15 results found)
April 2024
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