Showing 20 articles starting at article 81
< Previous 20 articles Next 20 articles >
Categories: Chemistry: Organic Chemistry, Engineering: Nanotechnology
Published Atlas of proteins reveals inner workings of cells
(via sciencedaily.com) Original source Researchers discover how proteins behave inside cells using AI, which has the potential to guide drug design.
Published Researchers show promising material for solar energy gets its curious boost from entropy
(via sciencedaily.com) Original source Researchers discovered a microscopic mechanism that solves in part the outstanding performance achieved by a new class of organic semiconductors known as non-fullerene acceptors (NFAs).
Published Moving from the visible to the infrared: Developing high quality nanocrystals
(via sciencedaily.com) Original source Awarded the 2023 Nobel Prize in Chemistry, quantum dots have a wide variety of applications ranging from displays and LED lights to chemical reaction catalysis and bioimaging. These semiconductor nanocrystals are so small -- on the order of nanometers -- that their properties, such as color, are size dependent, and they start to exhibit quantum properties. This technology has been really well developed, but only in the visible spectrum, leaving untapped opportunities for technologies in both the ultraviolet and infrared regions of the electromagnetic spectrum.
Published Progress in development of a new high-tech kidney disease urine test
(via sciencedaily.com) Original source Development of a new way to accurately measure human serum albumin (HSA) levels in people with chronic kidney disease has progressed in recent testing.
Published Detecting defects in tomorrow's technology
(via sciencedaily.com) Original source New research offers an enhanced understanding of common defects in transition-metal dichalcogenides (TMDs) -- a potential replacement for silicon in computer chips -- and lays the foundation for etching smaller features.
Published Researchers fabricate ultrastrong aluminum alloys for additive manufacturing
(via sciencedaily.com) Original source Material engineers have created a patent-pending process to develop ultrahigh-strength aluminum alloys that are suitable for additive manufacturing because of their plastic deformability. They have produced the alloys by using several transition metals that traditionally have been largely avoided in the manufacture of aluminum alloys.
Published Chemistry inspired by one-pot cooking
(via sciencedaily.com) Original source Is it possible to create a new class of materials from very different substances using the 'one-pot synthesis' approach? Chemists explain how they enable the synthesis of such novel materials.
Published Hexagonal perovskite oxides: Electrolytes for next-generation protonic ceramic fuel cells
(via sciencedaily.com) Original source Researchers have identified hexagonal perovskite-related oxides as materials with exceptionally high proton conductivity and thermal stability. Their unique crystal structure and large number of oxygen vacancies enable full hydration and high proton diffusion, making these materials ideal candidates as electrolytes for next-generation protonic ceramic fuel cells that can operate at intermediate temperatures without degradation.
Published Visualizing short-lived intermediate compounds produced during chemical reactions
(via sciencedaily.com) Original source Immobilizing small synthetic molecules inside protein crystals proves to be a promising avenue for studying intermediate compounds formed during chemical reactions, scientists report. By integrating this method with time-resolved serial femtosecond crystallography, they successfully visualized reaction dynamics and rapid structural changes occurring within reaction centers immobilized inside protein crystals. This innovative strategy holds significant potential for the intelligent design of drugs, catalysts, and functional materials.
Published A 2D device for quantum cooling
(via sciencedaily.com) Original source Engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of quantum computing technologies, which require extremely low temperatures to function optimally.
Published Single atoms show their true color
(via sciencedaily.com) Original source A new technique reveals single atom misfits and could help design better semiconductors used in modern and future electronics.
Published New organic molecule shatters phosphorescence efficiency records and paves way for rare metal-free applications
(via sciencedaily.com) Original source A team has discovered that the new organic molecule thienyl diketone exhibits high-efficiency phosphorescence, achieving a rate over ten times faster than traditional materials. This breakthrough provides new guidelines for developing rare metal-free organic phosphorescent materials, promising advancements in applications like organic EL displays, lighting, and cancer diagnostics.
Published Do genes-in-pieces code for proteins that fold in pieces?
(via sciencedaily.com) Original source A new study offers new insights into the evolution of foldable proteins.
Published Chemists synthesize an improved building block for medicines
(via sciencedaily.com) Original source Research could help drug developers improve the safety profiles of medications and reduce side effects.
Published A genetic algorithm for phononic crystals
(via sciencedaily.com) Original source Researchers tested phononic nanomaterials designed with an automated genetic algorithm that responded to light pulses with controlled vibrations. This work may help in the development of next-generation sensors and computer devices.
Published Using visible light to make pharmaceutical building blocks
(via sciencedaily.com) Original source Chemists have discovered a way to use visible light to synthesize a class of compounds particularly well suited for use in pharmaceuticals. The class of compounds, called azetidines, had been previously identified as a good candidate to build therapeutic drugs, but the compounds are difficult to produce in chemical reactions. Now, a team has developed a method to produce a specific class of azetidines called monocyclic azetidines using visible light and a photocatalyst.
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 Nanorobot with hidden weapon kills cancer cells
(via sciencedaily.com) Original source Researchers have developed nanorobots that kill cancer cells in mice. The robot's weapon is hidden in a nanostructure and is exposed only in the tumour microenvironment, sparing healthy cells.
Published Soft, stretchy electrode simulates touch sensations using electrical signals
(via sciencedaily.com) Original source A team of researchers has developed a soft, stretchy electronic device capable of simulating the feeling of pressure or vibration when worn on the skin. This device represents a step towards creating haptic technologies that can reproduce a more varied and realistic range of touch sensations for applications such as virtual reality, medical prosthetics and wearable technology.
Published The future of metals research with artificial intelligence
(via sciencedaily.com) Original source A research team has developed an optimal artificial intelligence model to predict the yield strength of various metals, effectively addressing traditional cost and time limitations.