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New technique improves purity of medicines
Dutch researcher Roelof Mol has investigated possibilities for more accurately determining the composition of medicines. He came up with a combination of two techniques that were previously considered to be incompatible: the separation technique electrokinetic chromatography and the detection technique mass spectroscopy. (2007-10-24)

Spider venom to treat paralysis
A team of Russian scientists together with foreign colleagues found out that the venom of crab spider Heriaeus melloteei may be used as a basis for developing treatment against hypokalemic periodic paralysis. (2018-04-23)

'Smart bandage' detects bed sores before they are visible to doctors
UC Berkeley researchers have created a new 'smart bandage' that uses electrical currents to detect early tissue damage from pressure ulcers, or bedsores, before they can be seen by human eyes -- and while recovery is still possible. (2015-03-17)

A quick look at electron-boson coupling
Using an ultrafast spectroscopy technique called time- and angle-resolved photoemission spectroscopy, Berkeley Lab researchers demonstrated a link between electron-boson coupling and high-temperature superconductivity in a high-Tc cuprate. (2014-10-06)

Fibre-optic transmission of 4000 km made possible by ultra-low-noise optical amplifiers
Researchers from Chalmers University of Technology, Sweden, and Tallinn University of Technology, Estonia, have demonstrated a 4000 kilometre fibre-optical transmission link using ultra low-noise, phase-sensitive optical amplifiers. This is a reach improvement of almost six times what is possible when using conventional optical amplifiers. The results are published in Nature Communications. (2018-07-05)

A non-negligible role of supports in atomically dispersed catalysts direct involvement in catalysis
Are the active sites of atomically dispersed catalysts limited to the dispersed metal atoms alone? Should metal-oxide supports of atomically dispersed metal catalysts play important roles other than serving as ligands to stabilize single-atom centers? A significant vicinal effect is now demonstrated (Science Bulletin, 2018, 11) to illustrate the possible direct involvement of support in the catalysis of atomically dispersed Pd catalyst, benefiting the rational design of high-performance atomically dispersed catalysts. (2018-06-04)

New findings may help preserve rare Gutenberg Bibles
Using modern analytical techniques, researchers in England say they have for the first time precisely identified the pigments used to illustrate seven Gutenberg Bibles located in Europe. The findings provide chemical data that could ultimately help preserve and restore these rare historic treasures as well as provide insights into the printing practices of early Europe, they say. (2005-05-11)

Stony corals more resistant to climate change than thought, Rutgers study finds
Stony corals may be more resilient to ocean acidification than once thought, according to a Rutgers University study that shows they rely on proteins to help create their rock-hard skeletons. (2017-06-01)

Rice nanophotonics experts create powerful molecular sensor
Nanophotonics experts at Rice University have created a unique sensor that amplifies the optical signature of molecules by about 100 billion times. Newly published tests found the device could accurately identify the composition and structure of individual molecules containing fewer than 20 atoms. (2014-07-15)

Top biophysics award to Professor Ray Norton
The Australian Society for Biophysics has honored Professor Ray Norton from WEHI's Structural Biology Division with the prestigious Bob Robertson Award. (2008-10-15)

Building a more versatile frequency comb
Northwestern University researchers developed a room temperature frequency comb with increased power based on quantum cascade lasers. (2015-02-16)

New approach captures detailed mid-infrared images for medical diagnostics
Researchers have developed a unique high-resolution imaging method that can capture mid-infrared spectral images of fast events or dynamic processes that take place on the order of milliseconds. This spectral range is used for many applications because it can reveal the detailed chemical composition of a sample. (2019-05-23)

Cage molecules act as molecular sieves for hydrogen isotope separation
In a new study published in Science, researchers at the University of Liverpool's Materials Innovation Factory have created hybrid porous organic cages capable of high-performance quantum sieving that could help advance the deuterium/hydrogen isotope separation technologies needed for fusion power. (2019-11-01)

Bridging the nanoscale gap: A deep look inside atomic switches
A team of researchers from Tokyo Institute of Technology has gained unprecedented insight into the inner workings of an atomic switch. By investigating the composition of the tiny metal 'bridge' that forms inside the switch, their findings may spur the design of atomic switches with improved performance. (2019-07-19)

David Nelson to receive the first annual PITTCON Heritage Award
David Nelson will receive the First PITTCON Heritage Award at the 2002 Pittsburgh Conference held in New Orleans on March 17, 2002. (2002-01-28)

University of Colorado Experiment on Cassini Mission Produces First Spectral Images of Jupiter
A $12 million University of Colorado at Boulder-built instrument package on the Cassini mission en route to Saturn has produced the first spectral images of Jupiter, including the planet's aurora and a gigantic glowing ring of gas encircling the planet. (2000-10-17)

New method to detect prize particle for future quantum computing
Research published today in the journal Nature Communications uncovers a new method to detect Majorana particles, a key element for a next-generation quantum computing platform. (2014-09-10)

Laser-driven electron recollision remembers molecular orbital structure
Scientists from the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI) in Berlin combined state-of-the-art experiments and numerical simulations to test a fundamental assumption underlying strong-field physics. Their results refine our understanding of strong-field processes such as high harmonic generation (HHG) and laser-induced electron diffraction (LIED). (2018-05-04)

Revealing the microscopic mechanisms in perovskite solar cells
In just a few years, researchers have achieved remarkable power conversion efficiency with materials with perovskite crystal structure, comparable with the best photovoltaic materials available. Now, researchers have revealed the physics for how an important component of a perovskite solar cell works -- a finding that could lead to improved solar cells or even newer and better materials. They describe their experiments in this week's issue of the journal Applied Physics Letters. (2017-03-21)

Protein enables discovery of quantum effect in photosynthesis
When it comes to studying energy transfer in photosynthesis, it's good to think (2007-05-02)

A quadrillionth of a second in slow motion
Many chemical processes run so fast that they are only roughly understood. To clarify these processes, a team from the Technical University of Munich (TUM) has now developed a methodology with a resolution of quintillionths of a second. The new technology stands to help better understand processes like photosynthesis and develop faster computer chips. (2018-02-20)

Improving your diet may not help you beat stress
New research shows that some dietary interventions may not prove effective in helping tackle stress and poor health. (2006-07-06)

Wearable device reveals how seals prepare for diving
A wearable noninvasive device based on near-infrared spectroscopy (NIRS) can be used to investigate blood volume and oxygenation patterns in freely diving marine mammals, according to a study publishing June 18 in the open-access journal PLOS Biology by J. Chris McKnight of the University of St. Andrews, and colleagues. The results provide new insights into how voluntarily diving seals distribute blood and manage the oxygen supply to their brains and blubber. (2019-06-18)

Hemodynamic responses to the mother's face in infants by near-infrared spectroscopy
A Japanese research group led by Prof. Ryusuke Kakigi and Dr. Emi Nakato, National Institute for Physiological Sciences, and Prof. Masami K Yamaguchi, Chuo University, found that there was the different hemodynamic response in the temporal cortex between infants' perceptions of their own mother and of female strangers. The presentation of mother's face elicited increased hemodynamic responses in the bilateral temporal cortex. This finding was reported in Early Human Development. (2010-12-15)

Pioneering photonics institute celebrates 30 years of innovation
The Institute for Ultrafast Spectroscopy and Lasers at The City College of New York, a pioneering center for photonic science and technology, will commemorate three decades of research into the generation and harnessing of light with a celebratory conference in October. (2012-09-25)

Nanoscale model catalyst paves way toward atomic-level understanding
In an attempt to understand why ruthenium sulfide (RuS2) is so good at removing sulfur impurities from fuels, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have succeeded in making a model of this catalyst -- nanoparticles supported on an inert surface -- which can be studied under laboratory conditions. (2003-09-08)

Medical imaging innovator Christine Hendon wins Presidential honor
Christine Hendon, assistant professor of electrical engineering at Columbia Engineering, has won the Presidential Early Career Award (PECASE), the highest honor the US government gives to young scientists and engineers. Hendon, who develops innovative medical imaging instruments for use in surgery and breast cancer detection, is one of 102 researchers from across the nation named by President Obama on Jan. 9. (2017-01-12)

Multiple optical measurements reveal the single cell activation without contrast agent
Osaka University researchers developed a label-free multimodal microscopy platform that allows the non-invasive study of cellular preparations without the need of any additional chemicals or contrast agent. The parameters extracted from these measurements, coupled with machine algorithms, enable the study of fine cellular processes such as macrophage cells activation upon exposure to lipopolysaccharide (LPS). The authors demonstrate that activation, as well as partial activation inhibition, can be observed at single-cell level through phenotypic and molecular characterization purely through non-invasive optical means. (2018-03-08)

JILA researchers uncover quantum structure of buckyballs
JILA researchers have measured hundreds of individual quantum energy levels in the buckyball, a spherical cage of 60 carbon atoms. It's the largest molecule that has ever been analyzed at this level of experimental detail in the history of quantum mechanics. Fully understanding and controlling this molecule's quantum details could lead to new scientific fields and applications, such as an entire quantum computer contained in a single buckyball. (2019-01-28)

Berkeley Lab scientists unveil an X-ray technique called HARPES
Berkeley Lab researchers led the development of a technique called HARPES, for Hard X-ray Angle-Resolved PhotoEmission Spectroscopy, that enables the study of electronic structures deep below material surfaces, including the buried layers and interfaces in nanoscale devices. This could pave the way for smaller logic elements in electronics, novel memory architectures in spintronics, and more efficient energy conversion in photovoltaic cells. (2011-08-25)

Canadian astronomers determine Earth's fingerprint
Two McGill University astronomers have assembled a 'fingerprint' for Earth, which could be used to identify a planet beyond our Solar System capable of supporting life. (2019-08-28)

Collecting real-time data for material microstructural evolution during radiation exposure
It may be surprising to learn that much remains unknown about radiation's effects on materials. To find answers, Massachusetts Institute of Technology researchers are developing techniques to explore the microstructural evolution and degradation of materials exposed to radiation. They report a dynamic option, this week in Applied Physics Letters, to continuously monitor the properties of materials being exposed to radiation during the exposure. This provides real-time information about a material's microstructural evolution. (2017-05-23)

Research brief: Researchers discover new way to deliver DNA-based therapies for diseases
University of Minnesota Twin Cities researchers in the Department of Chemistry have created a new polymer to deliver DNA and RNA-based therapies for diseases. For the first time in the industry, the researchers were able to see exactly how polymers interact with human cells when delivering medicines into the body. This discovery opens the door for more widespread use of polymers in applications like gene therapy and vaccine development. (2020-12-18)

Researchers discover traditional fluid flow observations may miss the big picture
Before and after comparisons don't tell the full story of chemical reactions in flowing fluids, such as those in drug delivery systems, according to a new study from a collaboration between Tokyo University of Agriculture and Technology (TUAT) and Nihon University based in Japan. (2019-06-21)

New insight into protein structures that could treat Huntington's disease
In Huntington's disease, a faulty protein aggregates in brain cells and eventually kills them. Such protein aggregates could, in principle, be prevented with a heat shock protein. However, it is not well known how these proteins interact with the Huntington's disease protein. New research by Patrick van der Wel (University of Groningen) and colleagues at the University of Texas has partially resolved the structure of heat shock proteins that bind to such aggregating proteins. (2021-02-12)

Scientists set quantum speed limit
The flip side of Heisenberg's uncertainty principle, the energy time uncertainty principle, establishes a speed limit for transitions between two states. UC Berkeley physical chemists have now proved this principle for transitions between states that are not entirely distinct, allowing the calculation of speed limits for processes such as quantum computing and tunneling. The proof puts on sound footing a relationship that most physicists use daily. (2015-01-22)

Scientists find static 'stripes' of electrical charge in copper-oxide superconductor
Understanding the electronic ordering in copper-oxide superconductors could help scientists find the 'recipe' for raising the temperature at which current can flow through these materials without energy loss. (2016-10-14)

Fiber-optic probe can see molecular bonds
Engineers at UC Riverside have developed the world's first portable, inexpensive, optical nanoscopy tool that integrates a glass optical fiber with a silver nanowire condenser. The device is a high-efficiency round-trip light tunnel that squeezes visible light to the very tip of the condenser to interact with molecules locally and send back information that can decipher and visualize the elusive nanoworld. (2019-06-10)

Weyl fermions discovered in another class of materials
A particular kind of elementary particle, the Weyl fermions, were first discovered a few years ago. Their specialty: they move through a material in a well ordered manner that practically never lets them collide with each other and is thus very energy efficient. For the very first time, scientists at the Paul Scherrer Institute PSI have experimentally proved their existence in another type of material: a paramagnet with intrinsic slow magnetic fluctuations. (2019-07-12)

Shrinking the synthesizer
Engineers team up to reduce the size, cost and power requirements of an optical frequency device. (2018-05-03)

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