All Chemistry World articles in September 2019 – Page 3
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Research
Are 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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Research
Push–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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Research
Why 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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Business
Enhancing solvents' sustainability
Increased recycling and replacing toxic solvents with greener alternatives will reduce environmental impact
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Research
Modified 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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Research
Mechanochemistry bypasses need for solvents in Suzuki coupling
Adding a small amount of olefin dramatically improves challenging solid-state coupling reaction
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Research
Ultraslim 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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Business
Pfizer’s Upjohn to merge with Mylan
Deal combines Pfizer’s off-patent drug portfolio with Mylan’s generics
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Research
Superheavy oganesson is a semiconductor
The heaviest element known continues to defy the rules of the periodic table
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Research
Nanotube catalysts spring into action on microplastic waste
Helical carbon nanotubes activate an oxidant that produces polymer-degrading free radicals
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Feature
Chemical 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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Research
Self-assembling ‘buckybowls’ inspired by virus capsids
Football-like molecules could be used in drug delivery, catalysis and synthesis
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Business
US ditches chlorpyrifos ban for food crops
Environmental Protection Agency says evidence of harm from food residues is insufficient
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Research
Radically different OLEDs break the aufbau principle
Organic radical-based materials could keep next generation displays from dimming over time
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Research
Sulfonated polymer kills drug-resistant microbes in minutes
New application for an existing material
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Business
HexagonFab 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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News
Russian 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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Research
Bubbly beginnings for life's first molecules
Gas bubble simulations support the idea that life began in hydrothermal vents
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Research
Moon 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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