Current Crystal Structures News and Events

Current Crystal Structures News and Events, Crystal Structures News Articles.
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The perfect recipe for efficient perovskite solar cells
A long-cherished dream of materials researchers is a solar cell that converts sunlight into electrical energy as efficiently as silicon, but that can be easily and inexpensively fabricated from abundant materials. Scientists at the Helmholtz-Zentrum Berlin have now come a step closer to achieving this. (2021-02-22)

Concept for a new storage medium
Physicists from Switzerland, Germany and Ukraine have proposed an innovative new data storage medium. The technique is based on specific properties of antiferromagnetic materials that had previously resisted experimental examination. (2021-02-22)

Researchers grow artificial hairs with clever physics trick
Things just got hairy at Princeton. Researchers found they could coat a liquid elastic on the outside of a disc and spin it to form useful, complex patterns. When spun just right, tiny spindles rise from the material as it cures. The spindles grow as the disc accelerates, forming a soft solid that resembles hairs. Published in PNAS Feb. 22 (2021-02-22)

Polymer film protects from electromagnetic radiation, signal interference
In a breakthrough report published in Advanced Materials engineers at the University of California, Riverside describe a flexible film using a quasi-one-dimensional nanomaterial filler that combines excellent electromagnetic shielding with ease of manufacture. (2021-02-22)

Covid-19: Future targets for treatments rapidly identified with new computer simulations
Researchers have detailed a mechanism in the distinctive corona of Covid-19 that could help scientists to rapidly find new treatments for the virus, and quickly test whether existing treatments are likely to work with mutated versions as they develop. (2021-02-19)

Prion diseases: new clues in the structure of prion proteins
A new study carried out by SISSA - Scuola Internazionale Superiore di Studi Avanzati in collaboration with other institutions including Genos Glycoscience. Research Laboratory from Zagreb, Croatia and Elettra Sincrotrone Trieste, provides important information on the differences in structures of the prions, proteins responsible for diseases that at the state of the art are incurable. (2021-02-19)

Researchers find evidence of protein folding at site of intracellular droplets
Researchers at the University of Notre Dame found that elevated concentrations of proteins within the droplets triggered a folding event, increasing the potential for protein aggregation -- or misfolding -- which has been linked to neurological diseases including Alzheimer's disease and amyotrophic lateral sclerosis (ALS). (2021-02-19)

RUDN University chemist used iodine to synthesize new chalcogenides
A chemist from RUDN University, working with a group of colleagues, synthesized three new chalcogenides (compounds that contain metals and elements from group 16 of the periodic table). The team suggested an unusual approach to synthesis that was based on iodine. (2021-02-19)

New crystalline ice form
Three years ago, chemists at the University of Innsbruck found evidence for the existence of a new variety of ice. Until then, 18 types of crystalline ice were known. The team led by Thomas Loerting now reports in Nature Communications on the elucidation of the crystal structure of ice XIX using neutron diffraction. (2021-02-18)

Upending complex crystal formation
PNNL researchers discover a new route to forming complex crystals. (2021-02-17)

3D microscopy clarifies understanding of body's immune response to obesity
Researchers who focus on fat know that some adipose tissue is more prone to inflammation-related comorbidities than others, but the reasons why are not well understood. Thanks to a new analytical technique, scientists are getting a clearer view of the microenvironments found within adipose tissue associated with obesity. This advance may illuminate why some adipose tissues are more prone to inflammation - leading to diseases like type 2 diabetes, cancer and cardiovascular disorders - and help direct future drug therapies to treat obesity. (2021-02-17)

Salk team reveals never-before-seen antibody binding, informing liver cancer, antibody design
In structural biology, some molecules are so unusual they can only be captured with a unique set of tools. That's precisely how a team led by Salk scientists defined how antibodies can recognize a compound called phosphohistidine--a highly unstable molecule that has been found to play a central role in some forms of cancer. The study was published in the Proceedings of the National Academy of Sciences on February 5. (2021-02-17)

Solution to puzzling phenomenon may open door to improved Cold Spray efficiency
An international team of researchers has solved a puzzling phenomenon whereby strangely beautiful, vortex-like structures appear between materials deposited onto engineering components used in multiple settings - from space shuttles to household items and everyday transport vehicles The discovery may ultimately improve the efficiency of the ''Cold Spray'' (CS) deposition process from which these structures are formed - a not-insignificant financial or functional consideration. (2021-02-16)

A groundbreaking solution? Polymers can protect buildings from large fault ruptures
University of Technology Sydney researchers have developed a solution to protect buildings sitting on deep foundations from earthquakes resulting in surface fault ruptures. Their findings show a composite foundation system using inexpensive polymer materials can significantly improve the safety of infrastructure and substantially decrease fatality and damage due to large ground deformations. (2021-02-15)

Scientists manipulate magnets at the atomic scale
Fast and energy-efficient future data processing technologies are on the horizon after an international team of scientists successfully manipulated magnets at the atomic level. Physicist Dr Rostislav Mikhaylovskiy from Lancaster University said: ''With stalling efficiency trends of current technology, new scientific approaches are especially valuable. Our discovery of the atomically-driven ultrafast control of magnetism opens broad avenues for fast and energy-efficient future data processing technologies essential to keep up with our data hunger.'' (2021-02-12)

Wafer-scale production of graphene-based photonic devices
Graphene Flagship researchers have devised a wafer-scale fabrication method that paves the way to the next generation of telecom and datacom devices. (2021-02-11)

The chemistry lab inside cells
Osaka University scientists describe a novel protein that spurs the post-translational modifications of the amino acid tryptophan to create an enzyme cofactor. This work may lead to the creation of new biological catalysts. (2021-02-10)

Discovering structural diverseness of neurons between brain areas and between cases
Dr. Masanari Itokawa who is the vice president of Tokyo Metropolitan Institute of Medical Science and colleague by the collaboration with Japan Synchrotron Radiation Research Institute (JASRI/SPring-8) and Advanced Photon Source, Argonne National Laboratory identified that the schizophrenia cases showed a thin and tortuous neuronal network compared with the controls (2021-02-10)

Scientists create liquid crystals that look a lot like their solid counterparts
New kinds of liquid crystals developed at the University of Colorado Boulder resemble gypsum or lazulite crystals--except that they flow like fluids. (2021-02-10)

Samara Polytech chemists simplify crystal structures
Samara Polytech scientists have developed new methods of modelling the crystal structure of chemical substances, which makes it possible to obtain additional information about the object under study, unknown in the initial experimental data, and also to find regularities determining its structure and properties. (2021-02-09)

Trapping gases better with boron nitride "nanopores"
Porous activated carbon (AC) is well-known for its ability to efficiently trap gases and help in catalyzing chemical reactions on its surface. Lately, boron nitride (BN), with a structure similar to that of carbon, has emerged as an attractive alternative to carbon. Now, in a new study, scientists from Japan reveal superior gas confinement in porous BN compared with that of AC, thereby unveiling a novel material to take high-performance adsorption to the next level. (2021-02-05)

New way to power up nanomaterials for electronic applications
UCLA materials scientists and colleagues have discovered that perovskites, a class of promising materials that could be used for low-cost, high-performance solar cells and LEDs, have a previously unutilized molecular component that can further tune the electronic property of perovskites. (2021-02-05)

Machine-learning model helps determine protein structures
MIT biologists have developed a computer modeling technique that lets them use cryo-electron microscopy to identify multiple possible structures that a protein can take. (2021-02-04)

Quasicrystal-clear: Material reveals unique shifting surface structure under microscope
Ever since their discovery, quasicrystals have garnered much attention due to their strange structure. Today, they remain far from being well-understood. In a new study, scientists reveal, for the first time, a unique shifting surface atomic structure in a material emulating quasicrystals, opening doors to the better understanding of magnetic and superconducting properties of quasicrystals, and potential applications in semiconductor film growth. (2021-02-04)

Large-area periodic perovskite nanostructures for lenticular printing laser displays
We fabricated large-area periodic structures with spatial resolution at wavelength scale from hybrid perovskite materials via a space-confined solution growth method. It takes advantages of both high refractive index contrast and high luminescence brightness, which allows the optical modulation on not only the reflection of illumination, but also the light emission from hybrid perovskites. The distributed feedback within these periodic structures significantly improves the degree of polarization and directionality of laser action while its threshold is also reduced. (2021-02-04)

Switching nanolight on and off
The report demonstrates a new method to control the flow of light of nanolight. Optical manipulation on the nanoscale, or nanophotonics, has become a critical area of interest as researchers seek ways to meet the increasing demand for technologies that go well beyond what is possible with conventional photonics and electronics. (2021-02-04)

UTA engineers develop programming technology to transform 2D materials into 3D shapes
University of Texas at Arlington researchers have developed a technique that programs 2D materials to transform into complex 3D shapes. (2021-02-04)

Soldiers, snakes and marathon runners in the hidden world of fungi
Researchers at Lund University in Sweden have discovered the individual traits of fungi, and how their hyphae - that is, the fungal threads that grow in soil - behave very differently as they navigate through the earth's microscopic labyrinths. (2021-02-02)

Hydrogen-producing enzyme protects itself against oxygen
Hydrogen-producing enzymes are beacons of hope in biohydrogen research. However, they are so vulnerable to oxygen in the air that it has not been possible to exploit their potential on a larger scale. The recently discovered [FeFe]-hydrogenase CbA5H from the bacterium Clostridium beijerinckii resists the oxygen attack. (2021-02-02)

Skoltech imaging resources used in international experiment with new photocatalysts
Skoltech researchers helped their colleagues from Japan, Germany, the United States, and China study the crystal structure and optical properties of a new class of two-dimensional compounds, which can be used as effective visible-light-responsive photocatalysts for energy and chemical conversion. They used the Advanced Imaging Core Facility equipment for imaging and structural analysis. (2021-02-01)

Cell death shines a light on the origins of complex life
Organelles continue to thrive after the cells within which they exist die, a team of University of Bristol scientists have found, overturning previous assumptions that organelles decay too quickly to be fossilised. (2021-01-27)

Beauty in imperfection: How crystal defects can help convert waste heat into electricity
Half-Heusler Ni-based alloys are thermoelectric materials with the potential for converting waste heat into electricity. However, the origin of their impressive conversion efficiency is not entirely clear. In a recent study, scientists from Japan and Turkey have attempted to uncover the role that Ni defects have in the crystal structure of these alloys and how their desirable thermoelectric properties are a consequence of small changes in strain around defective sites. (2021-01-26)

Scientists use a novel ink to 3D print 'bone' with living cells
3D printers may one day become a permanent fixture of the operating theatre after UNSW scientists showed they could print bone-like structures containing living cells. (2021-01-25)

Microstructured optical fibers find their 3D-printed groove
Advanced laser-printing techniques prove ideal for creating tiny optical communication devices with complex internal structures. (2021-01-25)

Ba7Nb4MoO20-based materials with high oxygen-ion conductivity opening sustainable future
Scientists at Tokyo Institute of Technology , Imperial and High Energy Accelerator Research Organization (KEK) Institute of Materials Structure Science, discover new Ba7Nb4MoO20-based materials with high oxygen-ion (oxide-ion O2-) conductivities--''the hexagonal perovskite-related oxides''--and shed light on the underlying mechanisms responsible for their conductivity. Their findings lead the way to uncovering other similar materials, furthering research on developing low-cost and scalable renewable energy technologies. (2021-01-25)

SUTD research team extends 4D printing to nanophotonics
The newly developed shape memory polymer resist which allows for high-resolution 4D printing, promises a platform for information hiding for optical anti-counterfeiting and tunable photonic devices. (2021-01-22)

Crystal structures in super slow motion
Laser beams are used to change the properties of materials in an extremely precise way. However, the underlying processes generally take place at such unimaginably fast speeds and at such a small scale that they have so far eluded direct observation. Göttingen researchers have now managed to film, for the first time, the laser transformation of a crystal structure with nanometre resolution and in slow motion in an electron microscope. The results were published in Science. (2021-01-22)

A method for calculating optimal parameters of liquid chrystal displays developed at RUDN University
A professor from RUDN University together with his colleagues from Saratov Chernyshevsky State University and D. Mendeleev University of Chemical Technology of Russia developed a method for calculating the parameters of diffraction optical elements used in LCDs. In particular, the new technology can be used to expand the angle of view while preserving high resolution and color rendition. (2021-01-22)

A professor from RUDN University developed new liquid crystals
A professor from RUDN University together with his Indian colleagues synthesized and studied new dibenzophenazine-based liquid crystals that could potentially be used in optoelectronics and solar panels. (2021-01-22)

Crystal close up
Two novel techniques, atomic-resolution real-time video and conical carbon nanotube confinement, allow researchers to view never-before-seen details about crystal formation. The observations confirm theoretical predictions about how salt crystals form and could inform general theories about the way in which crystal formation produces different ordered structures from an otherwise disordered chemical mixture. (2021-01-21)

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