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Categories: Chemistry: Organic Chemistry, Engineering: Nanotechnology
Published Researchers optimize 3D printing of optically active nanostructures
(via sciencedaily.com) Original source The shape, size and optical properties of 3-dimensional nanostructures can now be simulated in advance before they are produced directly with high precision on a wide variety of surfaces. Nanoprobes or optical tweezers with sizes in the nanometre range are now within reach.
Published Glowing COVID-19 diagnostic test prototype produces results in one minute
(via sciencedaily.com) Original source Cold, flu and COVID-19 season brings that now-familiar ritual: swab, wait, look at the result. But what if, instead of taking 15 minutes or more, a test could quickly determine whether you have COVID-19 with a glowing chemical? In a new study, researchers describe a potential COVID-19 test inspired by bioluminescence. Using a molecule found in crustaceans, they have developed a rapid approach that detects SARS-CoV-2 protein comparably to one used in vaccine research.
Published New insight into frictionless surfaces is slippery slope to energy-efficient technology
(via sciencedaily.com) Original source Scientists have made an insight into superlubricity, where surfaces experience extremely low levels of friction. This could benefit future technologies by reducing energy lost to friction by moving parts.
Published Study reveals a reaction at the heart of many renewable energy technologies
(via sciencedaily.com) Original source Chemists have mapped how proton-coupled electron transfers happen at the surface of an electrode. Their results could help researchers design more efficient fuel cells, batteries, or other energy technologies.
Published Cryo-microscopy reveals nano-sized copy machine implicated in origin of life
(via sciencedaily.com) Original source RNA is thought to have sparked the origin of life by self-copying. Researchers have now revealed the atomic structure of an 'RNA copy machine' through cryo-EM. This breakthrough sheds light on a primordial RNA world and fuels advancements in RNA nanotechnology and medicine.
Published The power of pause: Controlled deposition for effective and long-lasting organic devices
(via sciencedaily.com) Original source In organic optoelectronic devices, the control of molecular deposition on thin films is important for optimal surface arrangement and device performance. In a recent study, researchers developed a new method for achieving stable deposition on thin films effectively. They also developed a tool to track real-time potential changes on the surface. These findings are expected to aid the improvement of organic devices, such as organic light-emitting diodes, in terms of efficacy and durability.
Published Innovative graphene-based implantable technology paves the way for high-precision therapeutic applications
(via sciencedaily.com) Original source A new study presents an innovative graphene-based neurotechnology with the potential for a transformative impact in neuroscience and medical applications.
Published Core-shell 'chemical looping' boosts efficiency of greener approach to ethylene production
(via sciencedaily.com) Original source Oxidative coupling of methane (OCM) is now one step closer to leaving the lab and entering the real world. Researchers have developed an OCM catalyst that exceeds 30 percent when it comes to the production of ethylene.
Published New catalytic technique creates key component of incontinence drug in less time
(via sciencedaily.com) Original source Researchers have developed a unique catalyst that promises to revolutionize drug synthesis. It overcomes a common problem associated with the production of drugs from ketones. Using their catalyst, the researchers synthesized a key component of the commonly used incontinence drug oxybutynin. Their results underscore the potential of the catalyst to improve drug discovery and development.
Published Capturing greenhouse gases with the help of light
(via sciencedaily.com) Original source Researchers use light-reactive molecules to influence the acidity of a liquid and thereby capture of carbon dioxide. They have developed a special mixture of different solvents to ensure that the light-reactive molecules remain stable over a long period of time. Conventional carbon capture technologies are driven by temperature or pressure differences and require a lot of energy. This is no longer necessary with the new light-based process.
Published Spying on a shape-shifting protein
(via sciencedaily.com) Original source Researchers are using crystallography to gain a better understanding of how proteins shapeshift. The knowledge can provide valuable insight into stopping and treating diseases.
Published Light-matter interaction: Broken symmetry drives polaritons
(via sciencedaily.com) Original source An international team of scientists provide an overview of the latest research on light-matter interactions. In a new paper, they provide an overview of the latest research on polaritons, tiny particles that arise when light and material interact in a special way.
Published Bridging light and electrons
(via sciencedaily.com) Original source Researchers have merged nonlinear optics with electron microscopy, unlocking new capabilities in material studies and the control of electron beams.
Published Catalytic combo converts CO2 to solid carbon nanofibers
(via sciencedaily.com) Original source Scientists have developed a way to convert carbon dioxide (CO2), a potent greenhouse gas, into carbon nanofibers, materials with a wide range of unique properties and many potential long-term uses. Their strategy uses tandem electrochemical and thermochemical reactions run at relatively low temperatures and ambient pressure and could successfully lock carbon away to offset or even achieve negative carbon emissions.
Published Making an important industrial synthesis more environmentally friendly
(via sciencedaily.com) Original source Researchers have resolved a problem that has limited the environmental sustainability of peracid synthesis. By judicious choice of the solvent and light input, approximately room-temperature autoxidation of aldehydes proceeds in a manner that results in industrially useful peracids or carboxylic acids. This work is an important advance in green chemistry that will help minimize the carbon footprint of the chemical industry.
Published Researchers step closer to mimicking nature's mastery of chemistry
(via sciencedaily.com) Original source In nature, organic molecules are either left- or right-handed, but synthesizing molecules with a specific 'handedness' in a lab is hard to do. Make a drug or enzyme with the wrong 'handedness,' and it just won't work. Now chemists are getting closer to mimicking nature's chemical efficiency through computational modeling and physical experimentation.
Published Dry-cleaning fluid becomes a synthetic chemist's treasure
(via sciencedaily.com) Original source The widely used dry-cleaning and degreasing solvent perc can be converted to useful chemicals by a new clean, safe and inexpensive procedure. The discovery using on-demand UV activation may open the path to upcycling perc and thus contribute to a more sustainable society.
Published Scientists discover how ultraviolet light degrades coronavirus
(via sciencedaily.com) Original source New research has revealed how light can be used to destroy infectious coronavirus particles that contaminate surfaces. Scientists are interested in how environments, such as surgeries, can be thoroughly disinfected from viruses such as SARS-CoV-2 that caused the COVID-19 pandemic.
Published Inspired by Greek mythology, this potential drug shows promise for vanquishing Parkinson's RNA in early studies
(via sciencedaily.com) Original source A new discovery takes its inspiration from Greek mythology. The compound is described as a chimera, because it battles a toxic cause of Parkinson's in two ways.
Published How black silicon, a prized material used in solar cells, gets its dark, rough edge
(via sciencedaily.com) Original source Researchers have developed a new theoretical model explaining one way to make black silicon. The new etching model precisely explains how fluorine gas breaks certain bonds in the silicon more often than others, depending on the orientation of the bond at the surface. Black silicon is an important material used in solar cells, light sensors, antibacterial surfaces and many other applications.