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Categories: Chemistry: General, Engineering: Biometric
Published Optoelectronics gain spin control from chiral perovskites and III-V semiconductors
(via sciencedaily.com) Original source A research effort has made advances that could enable a broader range of currently unimagined optoelectronic devices.
Published Exploring the chemical space of the exposome: How far have we gone?
(via sciencedaily.com) Original source Scientists have taken on the daunting challenge of mapping all the chemicals around us. They take inventory of the available science and conclude that currently a real pro-active chemical management is not feasible. To really get a grip on the vast and expanding chemical universe, they advocate the use of machine learning and AI, complementing existing strategies for detecting and identifying all molecules we are exposed to.
Published True scale of carbon impact from long-distance travel revealed
(via sciencedaily.com) Original source The reality of the climate impact of long-distance passenger travel has been revealed in new research.
Published Novel spectroscopy technique sheds light on NOx reduction
(via sciencedaily.com) Original source The process that can convert pollution into benign by-products is called selective catalytic reduction, or SCR. Until now, it has been unclear how this reaction actually occurs, and contradictions have long existed between reaction models within the literature. Catalysis researchers used a technology called modulation excitation spectroscopy, or MES, to finally identify the correct pathway.
Published Melanin from cuttlefish ink as a sustainable biomass resource
(via sciencedaily.com) Original source Melanin is a ubiquitous compound in nature, produced by many organisms. However, its potential as a biomass resource to produce value-added chemicals and materials remains relatively unexplored. In a recent study, researchers investigated the chemical decomposition of melanin derived from cuttlefish ink and showcased its application in the synthesis of biopolymer films and particles. Their efforts will hopefully pave the way to the adoption of melanin upcycling.
Published Synthetic fuels and chemicals from CO2: Ten experiments in parallel
(via sciencedaily.com) Original source Why do just one experiment at a time when you can do ten? Researchers have developed an automated system, which allows them to research catalysts, electrodes, and reaction conditions for CO2 electrolysis up to ten times faster. The system is complemented by an open-source software for data analysis.
Published No more stressing out over structural formulas
(via sciencedaily.com) Original source Structural formulas are a source of dread for many students, but they're an essential tool in biology lessons. A study has now shown that the stress levels of students working with chemical formulas are significantly reduced if they are given simple tips on how to deal with these formulas.
Published New materials: Synthetic pathway for promising nitride compounds discovered
(via sciencedaily.com) Original source Chemists have successfully synthesized Ruddlesden-Popper nitrides for the first time, opening the door to new materials with unique properties.
Published First specific PET scan for TB could enable more effective treatment
(via sciencedaily.com) Original source A more accurate way to scan for tuberculosis (TB) has been developed, using positron emission tomography (PET). The team has developed a new radiotracer, which is taken up by live TB bacteria in the body. Radiotracers are radioactive compounds which give off radiation that can be detected by scanners and turned into a 3D image. The new radiotracer, called FDT, enables PET scans to be used for the first time to accurately pinpoint when and where the disease is still active in a patient's lungs.
Published Aromatic compounds: A ring made up solely of metal atoms
(via sciencedaily.com) Original source The term aromaticity is a basic, long-standing concept in chemistry that is well established for ring-shaped carbon compounds. Aromatic rings consisting solely of metal atoms were, however, heretofore unknown. A research team recently succeeded in isolating such a metal ring and describing it in full.
Published Common plastics could passively cool and heat buildings with the seasons
(via sciencedaily.com) Original source By restricting radiant heat flows between buildings and their environment to specific wavelengths, coatings engineered from common materials can achieve energy savings and thermal comfort that goes beyond what traditional building envelopes can achieve.
Published Scientists use computational modeling to guide a difficult chemical synthesis
(via sciencedaily.com) Original source Researchers have discovered a new way to drive chemical reactions that could generate a wide variety of azetidines -- four-membered nitrogen heterocycles that have desirable pharmaceutical properties.
Published Simple new process stores CO2 in concrete without compromising strength
(via sciencedaily.com) Original source By using carbonated -- rather than still -- water during the concrete manufacturing process, a team of engineers has discovered a new way to store carbon dioxide (CO2) in the ubiquitous construction material.
Published Solar technology: Innovative light-harvesting system works very efficiently
(via sciencedaily.com) Original source Researchers are reporting progress on the road to more efficient utilization of solar energy: They have developed an innovative light-harvesting system.
Published Microrobot-packed pill shows promise for treating inflammatory bowel disease in mice
(via sciencedaily.com) Original source Engineers have developed a pill that releases microscopic robots, or microrobots, into the colon to treat inflammatory bowel disease (IBD). The experimental treatment, given orally, has shown success in mice. It significantly reduced IBD symptoms and promoted the healing of damaged colon tissue without causing toxic side effects.
Published An optical lens that senses gas
(via sciencedaily.com) Original source A research team has developed a small optical lens, only a few millimeters in size, whose refractive behavior changes in the presence of gas. This 'intelligent' behavior of the micro-lens is enabled by the hybrid glass material from which it is made. The molecular structure of the lens consists of a three-dimensional lattice with cavities that can accommodate gas molecules, thereby affecting the optical properties of the material.
Published Towards non-toxic antifouling agents: A novel method for total synthesis of scabrolide F
(via sciencedaily.com) Original source Norcembranolide diterpenes, isolated from the soft corals of the genus Sinularia, are important compounds for the development of new drugs, owing to their diverse biological activities. However, total synthesis methods for these compounds are scarce. Now, a team of researchers has achieved the total synthesis of scabrolide F, a norcembranolide diterpene. They also revealed its non-toxic antifouling properties. This novel method can lead to the development of new drugs and antifouling agents.
Published Novel application of optical tweezers: Colorfully showing molecular energy transfer
(via sciencedaily.com) Original source Using a novel non-contact approach, a research team has successfully controlled the speed and efficiency of Forster resonance energy transfer between fluorescent molecules by varying the intensity of a laser beam.
Published New study confirms forever chemicals are absorbed through human skin
(via sciencedaily.com) Original source A study of 17 commonly used synthetic 'forever chemicals' has shown that these toxic substances can readily be absorbed through human skin.
Published Novel catalysts for improved methanol production using carbon dioxide dehydrogenation
(via sciencedaily.com) Original source Encapsulating copper nanoparticles within hydrophobic porous silicate crystals has been shown to significantly enhance the catalytic activity of copper-zinc oxide catalysts used in methanol synthesis via CO2 hydrogenation. The innovative encapsulation structure effectively inhibits the thermal aggregation of copper particles, leading to enhanced hydrogenation activity and increased methanol production. This breakthrough paves the way for more efficient methanol synthesis from CO2.