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Physicists solve quantum tunneling mystery: ANU media release
An international team of scientists studying ultrafast physics have solved a mystery of quantum mechanics, and found that quantum tunneling is an instantaneous process. (2015-05-26)

New X-Ray microscopy technique images nanoscale workings of rechargeable batteries
An X-ray microscopy technique recently developed at Berkeley Lab has given scientists the ability to image nanoscale changes inside lithium-ion battery particles as they charge and discharge. The real-time images provide a new way to learn how batteries work, and how to improve them. (2016-08-04)

Cancer rejection: Scientists discover crucial molecule
Researchers at the Centenary Institute in Sydney have discovered a molecule on the surface of immune cells which plays a critical role in cancer rejection. (2009-02-03)

Clemson researchers illuminate the field of microscopy with nanoparticle 'buckyswitch'
Clemson University scientists develop a nanoparticle (2017-07-12)

Tungsten 'too brittle' for nuclear fusion reactors
Researchers find tungsten -- a favored choice of metal within the reactor -- is liable to become brittle, leading to failure. (2018-04-13)

WPI professor wins CAREER Award for work that aims to solve a mystery about how cells grow
Though biologists have long known which structures within the cell appear to participate in polarized growth, how they work together remains a mystery. With a $977,000 CAREER Award from the National Science Foundation, Luis Vidali, assistant professor of biology and biotechnology at Worcester Polytechnic Institute, hopes to begin to answer that fundamental question. (2013-04-22)

Mystery solved: The origin of the colors in the first color photographs
A palette of colours on a silver plate: that is what the world's first colour photograph looks like. It was taken by French physicist Edmond Becquerel in 1848. His process was empirical, never explained, and quickly abandoned. A team including CNRS researchers has now shone a light on this: the colours obtained by Edmond Becquerel were due to the presence of metallic silver nanoparticles. (2020-03-30)

OHSU-led study finds advantages to iron nanoparticles for environmental clean up
Researchers at Oregon Health & Sciences University have discovered that at least one type of nano-sized iron may be useful in cleaning up carbon tetrachloride contamination in groundwater. (2005-01-13)

Is the shape of a genome as important as its content?
According to researchers at the Wistar Institute, the complex associations between genes may be defined in part by the three-dimensional structure of the all of the chromosomes form together: the shape of the genome. By mapping out the structure of the fission yeast genome, they demonstrate how this non-random arrangement positions groups of genes together. This structure is not merely the shape of the genome, but also a key to how it works. (2010-10-29)

Two-photon imaging of Meissner's corpuscle mechanoreceptors in living tissue
Researchers at the Nagoya Institute of Technology in Japan have demonstrated that Meissner's corpuscle mechanoreceptors can be observed in living tissue using two-photon microscopy. (2016-08-30)

Megakaryocytes act as 'bouncers' restraining cell migration in the bone marrow
Scientists at the University Würzburg and University Hospital of Würzburg found that megakaryocytes act as 'bouncers' and thus modulate bone marrow niche properties and cell migration dynamics. The study was published in July in the journal Haematologica. (2019-07-17)

A new way to measure energy in microscopic machines
In work at the National Institute of Standards and Technology (NIST) and the University of Maryland in College Park, researchers have devised and demonstrated a new way to measure free energy. By using microscopy to track and analyze the fluctuating motion or configuration of single molecules or other small objects, the new method can be applied to a greater variety of microscopic and nanoscopic systems than previous techniques. (2018-06-08)

LLNL and Chevron sign fuel catalysis agreement
Lawrence Livermore National Laboratory has signed a research agreement with Chevron to develop the next generation of catalysts for production of clean, more efficient fuels from crude oil. (2009-01-13)

How to wake a sleeping cancer cell -- and why you might want to
Cancer cells that lie 'snoozing' in the skeleton can be awakened by changes in the bone that surrounds them, Australian scientists have shown. In a world first, researchers from the Garvan Institute of Medical Research have used state-of-the-art microscopy techniques to watch cancer cells sleep within living bone over a period of months. They show that cancer cells can be 'woken up' when bone tissue is broken down around them, suggesting new possibilities for treating metastatic cancer in bone. (2015-12-03)

Caesarean section -- no consensus on best technique
Despite the routine delivery of babies by caesarean section, there is no consensus among medical practitioners on which is the best operating method to use. In a systematic review published in the Cochrane Library, researchers call for further studies to establish the safest method for both mother and infant. (2008-07-15)

Study shows new TB test can, in resource-poor settings, provide early and accurate diagnosis and potentially reduce consequences of delayed diagnosis and treatment
A study has shown that a recently developed test for TB can be used effectively in resource poor settings to rapidly diagnose those infected, including those with multi-drug resistant TB. The findings, published online first and in an upcoming Lancet, could eventually reduce delays in diagnosis and treatment and thus reduce morbidity and mortality. (2011-04-18)

Breathing exercises can significantly cut inhaler use in mild asthma
Breathing techniques can cut the use of reliever inhalers by more than 80 percent and halve the dose of preventer inhaler required in mild asthma, finds research published ahead of print in Thorax. The researchers compared the impact of two breathing techniques on symptoms, lung function, use of medication and quality of life among 57 adults with mild asthma. (2006-06-04)

Molecular scale resolution achieved in polymer nanoimprinting technique
Scientists using molds derived from carbon nanotubes have approached the ultimate resolution -- defined by molecular scale dimensions -- in a widely used polymer nanoimprinting technique. By accurately replicating features with nanometer dimensions, the technique could play future roles in fabricating structures in fields as diverse as microelectronics, nanofluidics and biotechnology. (2005-01-21)

Research yields two 'firsts' regarding protein crucial to human cardiac function
Florida State University researchers led by physics doctoral student Campion Loong have achieved significant benchmarks in a study of the human cardiac protein alpha-tropomyosin, which is an essential, molecular-level component that controls the heart's contraction on every beat. Using an imaging method called atomic force microscopy, Loong achieved two (2012-08-31)

How multicellular cyanobacteria transport molecules
Researchers from ETH Zurich and the University of Tübingen have taken a high-resolution look at the structure and function of cell-to-cell connections in filamentous, multicellular cyanobacteria. This enables them to explain how these microorganisms regulate the transport of various substances between the individual cells. (2019-07-12)

Visualizing diffusive dynamics beyond tracking limit with standard optical microscope
The collaborative team including a mechanical engineering scientist (Prof. Hanasaki) and physical chemists (Prof. Sugiyama and Prof. Yoshikawa) developed a new approach that can detect a sign of crystallization in solution before crystals are actually formed. These researchers found the collective motion of molecular clusters before crystallization. This research is expected to be useful for the pharmaceutical industry and material science, biology, and medicine where solid structure appears from fluids. (2020-02-17)

Scientists achieve major breakthrough in thin-film magnetism
Recent work by a team of scientists working in Singapore, The Netherlands, USA and Ireland, published on Aug. 14, 2015 in the prestigious journal, Science, has uncovered a new twist to the story of thin-film magnetism. (2015-08-16)

CSIRO scientists join fight to save 'Tassie devil'
CSIRO scientists have joined the battle to save Australia's iconic Tasmanian devils from the deadly cancer currently devastating devil populations. (2007-06-04)

Bacteria may not hasten death
Get rid of bacteria or let the body fight them. In flies, it's a wash. Flies scrubbed clean of bacteria did not outlive their dirtier siblings, according to a new study in Cell Metabolism that challenges the conventional view that bacterial load taxes an organism. (2007-08-07)

Down to the quantum dot
Using a single molecule as a sensor, scientists in Jülich have successfully imaged electric potential fields with unrivaled precision. The ultrahigh-resolution images provide information on the distribution of charges in the electron shells of single molecules and even atoms. The 3-D technique is also contact-free. The first results achieved using 'scanning quantum dot microscopy' have been published as an editor's suggestion in Physical Review Letters and selected as a Viewpoint in Physics. (2015-07-07)

UMD creates new tech for complex micro structures for use in sensors & other apps
University of Maryland Chemistry Professor John Fourkas and his research group have developed new materials and nanofabrication techniques for building miniaturized versions of components needed for medical diagnostics, sensors and other applications. These miniaturized components -- many impossible to make with conventional techniques -- would allow for rapid analysis at lower cost and with small sample volumes. (2012-07-12)

Crystallization clarified, researchers report
Researchers from the University of Illinois at Urbana-Champaign and Northwestern University have made it possible to observe and simulate the self-assembly of crystalline materials at a much higher resolution than before. (2019-10-28)

Rare mineral discovered in plants for first time
A rare mineral that holds enticing potential as a new material for industrial and medical applications has been discovered on alpine plants at Cambridge University Botanic Garden. (2018-03-05)

Chemical Microscope Enabled: Imaging Of Materials At The Nanometer Scale
Physicists at the Max Planck Institute for Biochemistry show that infrared contrast can be used for identifying nanoscale materials (Nature, 13 May 1999). The potential of imaging the chemical composition or identifying of nanoscale structures should enable new findings in a very broad area from surface physics and chemistry, polymers and thin films, semiconductors, superconductors, biomaterials, and proteins to medicine. (1999-05-12)

New light microscope sharpens scientists' focus
Scientists have developed a light microscope so powerful that it allows researchers to discern the precise intracellular location of nearly each individual protein they are studying. The new technique, called photoactivated localization microscopy (PALM), far surpasses the resolution of conventional optical microscopes, discriminating molecules that are only two to 25 nanometers apart. (2006-08-10)

Assembling nanomachines in bacteria
Osaka University researchers use X-ray crystallography and electron microscopy to resolve the assembly of the export gate apparatus in Salmonella. The new details of this nanomachine are expected to clarify how bacteria infect eukaryotic cells and present new molecular targets for drug discovery. (2017-08-08)

Mouse brain seen in sharpest detail ever
The most detailed magnetic resonance images ever obtained of a mammalian brain are now available to researchers in a free, online atlas of an ultra-high-resolution mouse brain, thanks to work at the Duke Center for In Vivo Microscopy. (2010-10-25)

Deep learning transforms smartphone microscopes into laboratory-grade devices
Researchers at the UCLA Samueli School of Engineering have demonstrated that deep learning, a powerful form of artificial intelligence, can discern and enhance microscopic details in photos taken by smartphones. The technique improves the resolution and color details of smartphone images so much that they approach the quality of images from laboratory-grade microscopes. (2018-04-12)

From microscopy to nanoscopy
Stefan Hell and Mariano Bossi at the Max Planck Institute for Biophysical Chemistry in Göttingen have developed optical 3-D far-field microscopy -- with nanoscale resolution, good signal-to-noise ratio and short exposure times using special photoswitchable fluorescence dyes. (2007-08-10)

Researchers put new spin on old technique to engineer better absorptive materials
A team of University of Illinois bioengineers has taken a new look at an old tool to help characterize a class of materials called metal organic frameworks -- MOFs for short. MOFs are used to detect, purify and store gases, and could help solve some of the world's most challenging energy, environmental and pharmaceutical challenges -- they can even pull water molecules straight from the air to provide relief from drought. (2017-11-13)

Innovative imaging technique reveals new cellular secrets
A team of researchers from the Stowers Institute for Medical Research and the University of Colorado Boulder has devised a novel optical technique -- a combination of structured illumination microscopy and single-particle averaging -- to resolve individual components of SPB duplication in living yeast cells. (2015-09-11)

Non-linear mathematical techniques could lead to better flood forecasting
A Temple University environmental engineer has outlined new mathematical procedures, or techniques, to produce analytical solutions of the complex, non-linear equations of water flow in soils. These new techniques will help with the development of more accurate and more efficient flood forecasting and contaminant propagation predictions. (2004-08-30)

Nuclear architecture emerges at the awakening of the genome
Max Planck scientists unravel when the 3-D organization of the genome in the nucleus arises during development. Their finding, published in Cell, reveals that the genome first takes its proper shape when transcription is first turned on in the zygote. Transcription itself however is not required for this process. (2017-04-06)

A glimpse inside the atom
Scientists at TU Wien have calculated how it is possible to look inside the atom to image individual electron orbitals. (2016-07-18)

Imaging accumulated charges at solid-electrolyte interfaces
Researchers from Kanazawa University developed a three-dimensional open-loop electric potential microscopy technique to visualize the charge accumulation behavior at the interface between a solid electrode and liquid electrolyte. The technique was used for providing information about the charge distribution at the interface between a copper wire electrode and salt-based electrolyte. This technique increases our ability to probe nanoscale interfacial phenomena, making it useful for research in electronics, electrochemistry, and biology. (2018-10-02)

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