All articles by Andy Extance – Page 5
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ResearchQuantum chemistry simulations offers beguiling possibility of ‘solving chemistry’
Academics and tech giants are using neural networks to represent electronic behaviour
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NewsOrganisations mobilise to fight Covid-19
‘War effort’ seeks to provide hand sanitiser, protective equipment, ventilators and tests
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ResearchTextbook structure rules formulated by Linus Pauling 90 years ago prove unreliable
Just 13% of 5000 oxides found to fulfil all five coordination geometry predictions
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BusinessThe race to fight coronavirus
While genome sequences enable testing and vaccine efforts, companies are donating existing antiviral drugs to explore repurposing
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FeatureCatching the polluters
Measurement techniques can pinpoint emitters like unroadworthy trucks and broken gas pipes, finds Andy Extance, but are not yet widespread
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ResearchFirst Crispr cancer trial in humans shows safety and durability
Immune-cell modifications target tumours and lift the PD-1 ‘brake’
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ResearchMetallic hydrogen reveals itself under mounting pressure
Robust data help close in on prized room temperature superconductor
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NewsBird droppings to help cut the crap in graphene doping papers
Dramatic illustration shows there’s little value in doping graphene electrodes to make better water splitting catalysts
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OpinionEllie Knaggs and tetrahedral carbon
Ellie Knaggs’ claim to be the first to use x-rays to prove carbon’s tetrahedral bonding in molecules has been overlooked, finds Andy Extance
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ResearchRhenium plays starring role in bond movie
Controllable energy input from transmission electron microscope captures atoms dissociating and recombining
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FeatureSeparating turmeric fact from fiction
Thousands of papers have been published on curcumin’s healing potential, but its usefulness is not yet proven, finds Andy Extance
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Research9-minute battery charging could accelerate electric vehicles’ prospects
Rapid replenishment at 60˚C adds 200 miles of range, and suppresses chemical degradation problems
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ResearchThe race is on to make the first room temperature superconductor
Chemists now appear to be within touching distance of a long sought-after goal as the synergy between theory and experiment delivers new materials
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FeatureSingle-atom catalysis
Single atom and hierarchical nanopore catalysts are reducing the need for precious metals, and could clean up the energy and chemical industries, finds Andy Extance
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BusinessNitrosamine contamination withdrawals spread to new drugs
After ranitidine recalls, EU regulators instruct companies to review all their products for potential impurities
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ResearchAnother 43 new kinds of carbon could still be out there to find
Predictions could lead to forms of carbon that are even harder than diamond
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ResearchAFM images show bond formation in greatest detail yet
Strange ring-shaped sub-atomic images result from Lennard-Jones physisorption–chemisorption energy curve
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ResearchSolution to 120 year-old puzzle reveals new chemical phenomenon
Seemingly identical acetaldehyde phenylhydrazone crystals melt at different temperatures
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ResearchNanowires become smallest-ever spectrometers
50–100µm devices are small enough to squeeze into smartphones – but must first become easier to make into arrays
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ResearchCatalyst cleans up alcohol couplings
Eight years’ work yields Mitsunobu chemistry with nothing but water as a byproduct