Researchers at CARS create detailed maps of chemical reactivity, discovering regions of unexpected outcomes and reconstructing intricate reaction networks. This new understanding enables control over the formation of different major products from a set of starting materials.
A new study has revealed chemical signatures of ancient Martian microbial life in the Bright Angel formation, a region of Jezero Crater known for its fine-grained mudstones rich in oxidized iron and organic carbon. The findings suggest that early microorganisms may have played a role in shaping these rocks through redox reactions.
Researchers achieved control over competing reaction outcomes by selectively manipulating charge states and specific resonances through targeted energy injection. This breakthrough has profound implications for pharmaceutical research, potentially improving efficiency and sustainability.
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Researchers at Okayama University developed a switchable process to synthesize 3-aminoindolines and 2'-aminoaryl acetic acids from a common substrate using Grignard reagents and azide compounds. The new protocol utilizes tautomerism to control chemoselectivity and achieves efficient synthesis with good yields.
Researchers developed a novel compound with nonlinear photochromic properties, achieving enhanced contrast and spatial resolution. The compound exhibits improved coloration efficiency with higher-intensity light, enabling diverse applications in photolithography, 3D printing, and optical disks.
Researchers at Curtin University have created a piezoresistor the size of a human hair, revolutionizing chemical and biosensors. This breakthrough enables detection of diseases through molecular shape changes, offering new possibilities for health monitoring devices.
Scientists have developed a method to control chemical reactions in a single molecule by applying voltage pulses, resulting in unprecedented selectivity. By fine-tuning the voltage, researchers can interconvert different products formed during the reaction.
Scientists have developed a method to estimate the temperature of chemical reactions activated by plasmons, revealing that properties of plasmons depend on thermal effects and other factors. The study used organic molecules as ultra-small sensors, showing different temperatures for two molecules triggered by plasmon energy.
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Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
Researchers at Georgia State University have made a groundbreaking discovery in catalytic reactions, revealing that nanoconfinement can actually speed up chemical reactions. This finding has major implications for the engineering of new, more energy-efficient catalysts that could save billions of barrels of gasoline every year.
Researchers tracked over 10,000 molecule trajectories to find increased reaction rates and reduced adhesion in nanowell-confined catalysis. The study could lead to the design of high-performance catalysts.
An ASU-led team has developed the first controllable DNA switch, allowing for reversible control of electricity flow within a single molecule. The modified DNA helix can conduct electricity and is reversibly controlled using an anthraquinone group.
Researchers discovered that solvent molecules can significantly impact the formation of an ether molecule, even when they don't directly participate in the reaction. A second methanol molecule is essential for the reaction to occur, indicating that solvent molecules are not just bystanders but rather assistants.
Researchers activate a single molecule switch using an atomic-force probe, revealing the need for precise positioning and chemical reactivity. The study's findings could lead to new control of chemistry at the atomic level.
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Researchers have successfully used two catalysts to produce valuable compounds for biomedical research. The cooperative catalysis approach allows for rapid, efficient and controlled production of large amounts of a key building block for many pharmaceuticals.