All Chemistry World articles in September 2021 – Page 2
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ResearchObserving the life and death of a single excited-state molecule
Individual pentacene’s triplet lifetime – and how it is cut short by a nearby oxygen – measured with atomic resolution
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BusinessDeadly explosion and fire at chemicals park in Germany
At least 2 dead and 31 injured when an explosion led to a solvent tank fire in Leverkusen
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NewsReliability of researcher metric the h-index is in decline
Productivity and citation impact tool is no longer an effective measure of scientific reputation, according to new analysis
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ResearchLevitating glass bead closes in on quantum mechanics' fundamental limit
Two different methods track position and speed of an ultracold glass sphere with a precision that comes close to the limit set by Heisenberg’s uncertainty principle
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BusinessFatal chemical leak at a Texas chemicals facility
What caused 45 tonnes of a mixture including acetic acid to be released at La Porte, US, killing 2 and hospitalising 30, remains unclear
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![An image showing a [M2(BzN6-Mes)]n− complex](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/4/0/8/514408_index_128835.jpg)
ResearchMetal sandwich stabilises first benzene triplet-state aromatic
Benzene diradical dianion is the first monocyclic molecule that’s Baird aromatic in the ground state
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BusinessPfizer backs protein degrader drugs with Arvinas deal
$1bn investment to commercialise breast cancer treatment
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ResearchSafer fluorination process developed using flow electrochemistry
Automated system for constructing carbon–fluorine bonds quenches fluorine compounds to reduce exposure and risk to lab chemists
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NewsUK’s innovation strategy reiterates ambitious science funding targets
The country’s aim to spend a record £22 billion on research each year will go alongside immigration reforms and an agency for blue skies research
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ResearchFirst fleeting glimpse of metallic water
Electron doping briefly turns water into golden metal
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BusinessDeadly liquid nitrogen leak at US poultry plant prompts $1m in fines
Georgia chicken processing facility, its gas supplier and cleaners failed to implement safety procures that could have saved six lives
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NewsMachine learning delivers ‘human genome’ moment for proteins
Protein structure prediction tools AlphaFold and RoseTTAFold take the latest steps towards maturity and make their software open source
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ResearchMachine-learning tool performs stereochemical assignments on SPM images
Identifying chiral centres on SPM images with machine-learning tools only takes a few hours and could save researchers time
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NewsNobel laureates accuse China of attempting to censor Taiwanese chemist
The US National Academy of Sciences came under pressure to revoke the invite of chemistry laureate Yuan Lee to a climate summit
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ResearchHeavy-atom quantum tunnelling catalysed with Lewis acids
Lewis acid–base interactions found to increase quantum tunnelling rates of rearrangement reaction
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ResearchThere was more than simple oxygen depletion to ancient mass extinction event
Thallium isotopes reveal that rapid swings in ocean oxygenation preceded the events that wiped out 90% of species 250 million years ago
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BusinessFire in Russian chemical plant kills one, injures six
Government to investigate a fatal fire at military production facility in southern Russia
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ResearchGiant crystal lattice is mesoporous but not a MOF
Non-covalent network has the largest unit cell among non-MOFs
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ResearchMirror image enzyme constructs longest ever mirror DNA strand
Since chirally inverted DNA is more stable than its natural counterpart, it can be used to encode secret messages
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FeatureHow the power of smell could identify new medical tests
Diagnosis by odour is nothing to be sniffed at, finds Ian Le Guillou
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