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UrduAzoxy-, azo- and amino-aromatics are among the most widely used building blocks found important applications in materials science, pharmaceuticals and synthetic chemistry. Especially, azobenzenes are considered as one of the largest and most versatile class of organic dyes, accounting for…
Tag: CHEMISTRY/PHYSICS/MATERIALS SCIENCES
Lab in hollow MOF capsules beyond integration of homogeneous and heterogeneous catalysis
Homogeneous molecular catalysts are highly active and selective as they possess well-tailored structures and accessible sites. Unfortunately, the difficulty related to catalyst recovery impedes their practical application. The encapsulation of them inside hollow porous solid materials is a judicious solution.…
Lab in hollow MOF capsules beyond integration of homogeneous and heterogeneous catalysis
Homogeneous molecular catalysts are highly active and selective as they possess well-tailored structures and accessible sites. Unfortunately, the difficulty related to catalyst recovery impedes their practical application. The encapsulation of them inside hollow porous solid materials is a judicious solution.…
The first Cr-based nitrides superconductor Pr3Cr10-xN11
Since the discovery of superconductivity in the chromium-based compound CrAs, which is more complex than those within the realm of the Bardeen-Cooper-Schrieffer (BCS) theory, the study on chromium based superconductors has attracted much attention. Among the 3d transitional metallic compounds,…
The first Cr-based nitrides superconductor Pr3Cr10-xN11
Since the discovery of superconductivity in the chromium-based compound CrAs, which is more complex than those within the realm of the Bardeen-Cooper-Schrieffer (BCS) theory, the study on chromium based superconductors has attracted much attention. Among the 3d transitional metallic compounds,…
Scientists can replace metal collimators with plastic analogs
Scientists of Tomsk Polytechnic University conducted studies of plastic collimators, which can replace their metal analogs used in radiation therapy. At the first stage, the research team was involved in the exact characteristics of the desired product
Scientists can replace metal collimators with plastic analogs
Scientists of Tomsk Polytechnic University conducted studies of plastic collimators, which can replace their metal analogs used in radiation therapy. At the first stage, the research team was involved in the exact characteristics of the desired product
Spiders and ants inspire a metallic structure that refuses to sink
University of Rochester researchers, inspired by diving bell spiders and rafts of fire ants, have created a metallic structure that is so water repellant, it refuses to sink – no matter how often it is forced into water or how…
Intelligent metasurface imager and recognizer
The Internet of Things (IoT) and cyber physical systems have opened up possibilities for smart cities and smart homes, and are changing the way for people to live. In this smart era, it is increasingly demanded to remotely monitor people…
Intelligent metasurface imager and recognizer
The Internet of Things (IoT) and cyber physical systems have opened up possibilities for smart cities and smart homes, and are changing the way for people to live. In this smart era, it is increasingly demanded to remotely monitor people…
Electrochemistry amps up in pharma
Sparked by several high-profile reports, electrochemistry — using electricity to perform chemical reactions like oxidation and reduction — is gaining popularity in the pharmaceutical field. Some researchers have embraced the technology as a tool to synthesize compounds that are difficult…
Spiders and ants inspire a metallic structure that refuses to sink
University of Rochester researchers, inspired by diving bell spiders and rafts of fire ants, have created a metallic structure that is so water repellant, it refuses to sink – no matter how often it is forced into water or how…
Electrochemistry amps up in pharma
Sparked by several high-profile reports, electrochemistry — using electricity to perform chemical reactions like oxidation and reduction — is gaining popularity in the pharmaceutical field. Some researchers have embraced the technology as a tool to synthesize compounds that are difficult…
How hot (and not-so-hot) compounds in chili peppers change during ripening
Anyone who has tasted a hot chili pepper has felt the burn of capsaicinoids, the compounds that give peppers their spiciness, as well as possible health benefits. Related pepper compounds, called capsinoids, have similar properties, minus the heat, so they…
How hot (and not-so-hot) compounds in chili peppers change during ripening
Anyone who has tasted a hot chili pepper has felt the burn of capsaicinoids, the compounds that give peppers their spiciness, as well as possible health benefits. Related pepper compounds, called capsinoids, have similar properties, minus the heat, so they…
Polyamide kitchen utensils: Keep contact with hot food as brief as possible
BfR Opinion No. 036/2019 of 17 September 2019
Polyamide kitchen utensils: Keep contact with hot food as brief as possible
BfR Opinion No. 036/2019 of 17 September 2019
Have the great theories become obsolete?
Bielefeld University’s anniversary conference on Nov. 14-15
Have the great theories become obsolete?
Bielefeld University’s anniversary conference on Nov. 14-15
Membrane intercalation enhances photodynamic bacteria inactivation
Bacterial infections pose a threat to human health. Now, with increasing antibiotic resistance, such infections may again ravage humanity as they did in the pre-antibiotic era. Scientists are thus seeking new, non-antibiotic means to combat bacterial infection. One promising strategy…
Membrane intercalation enhances photodynamic bacteria inactivation
Bacterial infections pose a threat to human health. Now, with increasing antibiotic resistance, such infections may again ravage humanity as they did in the pre-antibiotic era. Scientists are thus seeking new, non-antibiotic means to combat bacterial infection. One promising strategy…
A game-changing test for Prion, Alzheimer’s and Parkinson’s diseases is on the horizon
Synthetic molecules made at Berkeley Lab can be used to diagnose numerous devastating illnesses
A game-changing test for Prion, Alzheimer’s and Parkinson’s diseases is on the horizon
Synthetic molecules made at Berkeley Lab can be used to diagnose numerous devastating illnesses
Chemists’ surprising discovery of nanoconfined reactions could aid catalytic design
ATLANTA-Georgia State University chemistry researchers have unlocked one of the mysteries of catalytic reactions on a microscopic scale, allowing for the design of more efficient industrial processes. Catalysts — which speed up chemical reactions in everything from the digestion of…
US Innovation Program brings international entrepreneurs to Purdue
WEST LAFAYETTE, Ind. – The Purdue Research Foundation and the Purdue Foundry entrepreneurial community are helping to host a pair of entrepreneurs from Brazil and Uganda as part of the U.S. Department of State’s Global Innovation through Science and Technology…
Why is ice so slippery
The answer lies in a film of water that is generated by friction, one that is far thinner than expected and much more viscous than usual water through its resemblance to the “snow cones” of crushed ice we drink during…
XenonPy.MDL — Comprehensive library of pre-trained models for materials properties
Transfer learning may serve as a solution to the scarcity of materials property data
SMART discovers breakthrough way to look at the surface of nanoparticles
New method to explore the surface of nanoparticles, unlike existing chemical procedures which have severe limitations
Black holes sometimes behave like conventional quantum systems
A group of Skoltech researchers led by Professor Anatoly Dymarsky have studied the emergence of generalized thermal ensembles in quantum systems with additional symmetries. As a result they found that black holes thermalize the same way ordinary matter does. The…
Physics of windshield-cracking raindrops could demolish kidney stones
New models of a phenomenon first seen in the circular cracking of supersonic jet windshields flying through rain could point to better approaches of pulverizing kidney stones
Perovskite solar cells get an upgrade
Rice University materials scientists use inorganic ingredients to limit defects, retain efficiency
Ultrafast quantum motion in a nanoscale trap detected
KAIST researchers have reported the detection of a picosecond electron motion in a silicon transistor. This study has presented a new protocol for measuring ultrafast electronic dynamics in an effective time-resolved fashion of picosecond resolution. The detection was made in…
3D-Printed Plastics With High Performance Electrical Circuits
Rutgers innovation could lead to better drones, satellites, biomedical devices
Tethered chem combos could revolutionize artificial photosynthesis
New approach improves efficiency of converting sunlight to hydrogen fuel; provides platform for testing different combos of light-absorbers and catalysts
Nanoparticle drug delivery provides pain relief and more effective opioid alternative in animal study
Research uses nanoparticles to infuse a non-opioid drug into nerves to provide enhanced pain relief
Science: Sensing magnetism in atomic resolution with just a scanning tunneling microscope
Researchers use single molecule on microscope tip as a sensor to detect magnetic moments with unprecedented spatial resolution
Post-lithium technology
High-energy-density polymeric cathode for fast-charge sodium- and multivalent-ion batteries
SRNL radiation detection systems operating at ports of Tacoma and NY/NJ
AIKEN, S.C. (Nov. 1, 2019) – After years of development and testing, a radiation detection system developed by the Department of Energy ‘s Savannah River National Laboratory is now in full-scale operation at major United States shipping ports. In 2018,…
‘Hot’ electrons in metallic nanostructures — non-thermal carriers or heating?
What happens to a piece of metal when you shine light on it? This question, which has been one of the driving forces of modern physics, gained renewed interest in recent years, with the advances in fabrication of small metallic…
2D antimony holds promise for post-silicon electronics
Engineers at The University of Texas at Austin find new material for manufacturing even smaller computer chips to replace silicon.
Science: Sensing magnetism in atomic resolution with just a scanning tunneling microscope
Researchers use single molecule on microscope tip as a sensor to detect magnetic moments with unprecedented spatial resolution
Scientists spy unstable semiconductors
New observations using state-of-the-art techniques could help to build better electronics in smartphones, GPS and satellites
Scientists probe the limits of ice
Coexistence of ice and liquid water breaks down at the nanoscale
Scientists develop strategy to stabilize single atoms with ionic liquid as electronic stabilizer
Supported single-atom catalysts (SACs) have emerged as a new frontier in heterogeneous catalysis and have attracted broad interest for their demonstrated good catalytic performance due to high atomic efficiency and relatively homogeneous active sites. Strategies have been developed to fabricate…
New technology poised to lower cost and expand applications for transparent LED screens
For the first time, transparent conductive circuits made of silver nanowires used to make rigid and flexible transparent displays
Light-based ‘tractor beam’ assembles materials at the nanoscale
Modern construction is a precision endeavor. Builders must use components manufactured to meet specific standards — such as beams of a desired composition or rivets of a specific size. The building industry relies on manufacturers to create these components reliably…
Dynamics of silk proteins are key to outstanding stability of spider silk as biomaterial
Interdisciplinary study clarifies role of protein dynamics mediated by the amino acid methionine
Neuroinflammation and Alzheimer’s disease
Researchers report that the small molecule DAPPD, which promotes phagocytosis of microglia cells in the brain, diminished amyloid deposition and improved cognitive function in transgenic mouse models of Alzheimer’s disease; the results suggest that compounds countering neuroinflammation might represent a…
Dynamics of silk proteins are key to outstanding stability of spider silk as biomaterial
Interdisciplinary study clarifies role of protein dynamics mediated by the amino acid methionine
Tethered chem combos could revolutionize artificial photosynthesis
New approach improves efficiency of converting sunlight to hydrogen fuel; provides platform for testing different combos of light-absorbers and catalysts