All Chemistry World articles in September 2019 – Page 3
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ResearchAre synthetic chemists out of a job as AI meets automation?
Platform can weigh up a synthetic route, plan it and then carry out it
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ResearchPush–pull radical theory finally vindicated after decades of back and forth
Solvent effect proves that captodative effect really exists after all
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ResearchWhy does all life use the same 20 amino acids?
Chemical properties offer an answer to why nature limits itself to so few protein building blocks
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BusinessEnhancing solvents' sustainability
Increased recycling and replacing toxic solvents with greener alternatives will reduce environmental impact
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ResearchModified metallohelices show medical potential
Post-assembly click reactions on helical metal complexes produces biological activity akin to that of the arrow poison ouabain
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ResearchMechanochemistry bypasses need for solvents in Suzuki coupling
Adding a small amount of olefin dramatically improves challenging solid-state coupling reaction
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ResearchUltraslim solar cells retain healthy efficiency
A patterned reflector on the back of a thinned-down GaAs cell traps light in the device, keeping efficiency near 20%
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BusinessPfizer’s Upjohn to merge with Mylan
Deal combines Pfizer’s off-patent drug portfolio with Mylan’s generics
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ResearchSuperheavy oganesson is a semiconductor
The heaviest element known continues to defy the rules of the periodic table
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ResearchNanotube catalysts spring into action on microplastic waste
Helical carbon nanotubes activate an oxidant that produces polymer-degrading free radicals
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FeatureChemical clocks for archaeological artefacts
Radiocarbon dating is a standard technique, but what if your artefacts are inorganic? Rachel Brazil finds out how to accurately age pottery and even metals
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ResearchSelf-assembling ‘buckybowls’ inspired by virus capsids
Football-like molecules could be used in drug delivery, catalysis and synthesis
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BusinessUS ditches chlorpyrifos ban for food crops
Environmental Protection Agency says evidence of harm from food residues is insufficient
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ResearchRadically different OLEDs break the aufbau principle
Organic radical-based materials could keep next generation displays from dimming over time
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ResearchSulfonated polymer kills drug-resistant microbes in minutes
New application for an existing material
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BusinessHexagonFab cracks nanomanufacturing for pocket diagnostics
HexagonFab’s founders say their graphene-based sensors are set to become the lab tests that don’t need a physical lab
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NewsRussian role in Europe-wide radiation leak two years ago confirmed
Evidence mounts that Mayak facility was responsible for ruthenium release as ‘satellite crash’ explanation given by Russian officials scorned
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ResearchBubbly beginnings for life's first molecules
Gas bubble simulations support the idea that life began in hydrothermal vents
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ResearchMoon may be millions of years older than previously calculated
Analysis of hafnium and tungsten in Apollo 17 samples suggests the moon formed 50 million years after the solar system
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