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molecule News
Nano-optical Tweezers Make Single-Molecule Protein Study Easier
VICTORIA, British Columbia, Canada, May 23, 2014 — Laser tweezers could eventually replace fluorescence imaging in applications such as studying heterogeneity in virus populations and nanoparticle manipulation. A nano-optical tweezer, developed at the University of Victoria, facilitates the capture and analysis of individual proteins. It also enables single-protein interactions with small-molecule drugs and DNA. It builds on existing optical tweezer techniques, which use a single-beam laser directed through an objective lens to trap and
Photoactive Material Could Ease Dental Woes
VIENNA, May 1, 2014 — A visit to the dentist may not be the most fun experience, but a new material could make it more tolerable. A new generation of dental filling materials that harden more quickly under blue light has been developed by a team at the Vienna University...
Dual-Catalyst Technique Allows Better Control of Molecules
MADISON, Wis., April 24, 2014 — Chemical reactions usually happen on their own terms. But now, researchers from the University of Wisconsin-Madison have discovered a way to create molecules with controlled chirality using sunlight as one of two catalysts.
Ultracold Molecules Advance Quantum Computing
WEST LAFAYETTE, Ind., March 20, 2014 — Radical cooling could hold great potential for quantum computing and simulations. To that end, Purdue University researchers have created an ultracold molecule using lasers to remove the kinetic energy and to cool the atoms to -273 °C (-459...
Ultrabright Nanocrystals Could Image Single Proteins
BERKELEY, Calif., March 19, 2014 — The future is bright in the world of biological imaging with the recent creation of ultrabright, ultrasmall light-emitting crystals that can image single proteins.
BSI, ICFO Technologies Study Photosynthesis
EAST LANSING, Mich., and BARCELONA, Spain, Feb. 21, 2014 — Studying photosynthesis at the single-molecule level could lay the groundwork for better understanding of quantum physics’ role in nature. Researchers from the Institute of Photonic Sciences (ICFO) in Barcelona are using their advanced laser...
Superbright X-Ray Free-Electron Lasers Find Missing Proteins
RICHLAND, Wash., and LIVERMORE, Calif., Feb. 21, 2014 — A protein's shape is key to understanding how it causes disease or toxicity. Traditionally, capturing quality x-ray snapshots of a protein has required as many as 1 billion copies of the same protein, stacked into a neat crystal. This is no longer...
MALS Detector Improves Polymer Research
SANTA BARBARA, Calif., Feb. 14, 2014 — Wyatt Technology Corp. has discovered that quantitative branching topology information is crucial in the development of novel polymer-based materials and for understanding polymerization processes. A study by Wyatt scientists characterizes molecular...
Raman Scattering Sped Up for Microscopy
GARCHING, Germany, Oct. 18, 2013 — Improvements to Raman spectroscopy using laser frequency combs allow multiple signals from different parts of a molecule — or even different molecules — to be monitored simultaneously using a single detector. The advance is seen as a...
Tabletop device accelerates electrons to 2 GeV
AUSTIN, Texas – Until recently, if you wanted to speed up electrons to 2 gigaelectron volts (GeV), you needed a multimillion-dollar accelerator nearly 200 m long. But not anymore: Now you just need a tabletop device. “We have accelerated about half a billion...
Tabletop Device Accelerates Electrons to 2 GeV
AUSTIN, Texas, June 21, 2013 — The acceleration of electrons to a speed of 2 gigaelectron volts (GeV) has been accomplished in a tabletop setup. Until now, achieving that level of x-ray energy has required a multimillion-dollar accelerator nearly 200 m long. “We have...
Superpowerful X-ray Laser Dedicated
MENLO PARK, Calif., Aug. 17, 2010 — The Linac Coherent Light Source, (LCLS), the first and most powerful x-ray laser, was officially dedicated Monday at SLAC National Accelerator Laboratory by Energy Secretary Steven Chu. The $420 million LCLS is a new type of scientific facility that...
EMCCD camera redraws the boundaries of superresolution 3-D imaging
BELFAST, UK – Researchers in the US have developed a superresolution 3-D imaging technique that resolves single fluorescent molecules with >10 times the precision of conventional optical microscopy. Using an iXon+ electron multiplying CCD (EMCCD) camera from...
Rationally designing plasmonic devices using imaging and simulation
CÓRDOBA, Argentina, and CAMBRIDGE, UK – Researchers intent on building plasmonic sensors to a set of specifications now have a new tool to help in that quest, according to a group of investigators. The team has demonstrated that electron tomography and electrodynamic simulations can...
PicoQuant Spectroscopy Workshop Coming in September
BERLIN, July 30, 2010 — PicoQuant GmbH will host the 16th International Workshop on “Single Molecule Spectroscopy and Ultrasensitive Analysis in Life Science,” September 15-17, 2010 at the “WISTA” technology park in Berlin-Adlershof. With more than...
Designer molecules promise all-optical processing
ATLANTA – Supporters of all-optical switching say it will allow dramatic speed increases in data communications by eliminating the need to convert photonic signals to electronic signals – and back. All-optical processing – switching light using...
New Look at Bioactive Metal Complexes
BOCHUM, Germany, April 29, 2010 — Scientists at Ruhr University Bochum have accurately determined the location of metal complexes within living cancer cells using Raman microscopy. The technique provides new insights into the mechanism of action of metal-containing drugs, which may...
Bruker Forms Chemical Analysis Div.
FREMONT, Calif., April 8, 2010 — Bruker Corp., a provider of high-performance scientific instruments and solutions for molecular and materials research, announced it has created a Chemical Analysis Division within its Bruker Daltonics subsidiary. The new division will be...
Evotec, Active Biotech Ink Screening Pact
HAMBURG, Germany, March 22, 2010 – Evotec AG announced it has entered into a collaboration with Active Biotech AB to identify small-molecule modulators of a priority biological target, selected by the latter company...
Peptides do windows
Mar 18, 2010 — Nobody really likes washing windows. And dirt and grime – the kind you find on windows – are the bane of a solar panel’s existence. The good news is that a group of researchers at Tel Aviv University in Israel, which set out originally to find a...
Molecule Could Advance Displays
DURHAM, N.H., March 15, 2010 — The first stable derivative of nonacene has been synthesized, creating a compound that holds significant promise in the manufacture of flexible organic electronics such as large displays, solar cells and radio-frequency identification tags (RFIDs)....
Molecules Morphed into New Material
ATLANTA, Feb. 24, 2010 – A class of molecules whose size, structure and chemical composition have been optimized for photonic use could one day be designed with the properties needed to serve as the founda...
Molecules Made Mini Lasers
CAMBRIDGE, Mass., Oct. 21, 2009 -- A new optical microscopy technique squeezes photons out of nonfluorescent molecules to provide 3-D images of living cells and tissues for applications in medical imaging and biological research.
Atom-moving Marks 20 Years
SAN JOSE, Calif., Sept. 28, 2009 -- Twenty years ago this week, IBM Fellow Don Eigler became the first person in history to move and control an individual atom, an ability that heralded the age of nanotechnology.
Laser Limits Shattered
BERKELEY, Calif., Aug. 31, 2009 -- A new type of nanoscale laser can concentrate light into an area one-hundredth the size of the smallest spot that can be produced by a conventional laser -- a space smaller than a single protein molecule. The breakthrough breaks new ground in the...
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May 2024
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