Analytical chemistry – Page 15
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NewsUS intelligence can’t agree if Covid-19 came from an animal or a lab
After months of investigation agencies remain divided on most likely origin of Sars-CoV-2
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ResearchHow a single ingredient creates silky smooth chocolate without tempering
Natural phospholipids trigger cocoa butter crystallisation into glossy, tasty, melt-in-the-mouth chocolate
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NewsShedding light on Nazi-era uranium cubes with modern nuclear forensics
US team are using radiochronometry to confirm their authenticity and origins
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ResearchActinium’s radius revised to solve cancer therapy mystery
For decades, scientists have been using the wrong ionic radius for one of Earth’s rarest element
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ResearchFirst crystal structure of bleach in its 200-year history
X-ray structure of chemistry staples hypochlorite and hypobromite recorded for the first time
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ResearchTusk isotopes reveal a mammoth’s life
17,000 years after its death, scientists use strontium analysis to trace animal’s movements throughout its 28-year life
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ResearchMolecular cryo-EM discovers error in 25-year-old natural product structure
Nobel prize-winning biomolecule imaging technique adapted to characterise chemical compounds faster and easier than NMR and x-ray
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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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OpinionInsulin as a murder weapon
Forensic experts can tell if high insulin levels have a natural or criminal cause
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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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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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WebinarDiscover the possibilities with the new multi-sample Discovery X3 Differential Scanning Calorimeter
Discover how to improve sample throughput and provide greater confidence in your differential scanning calorimetry results
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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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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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ResearchTransient spectroscopy sheds light on elusive photoredox process
Study confirms mechanism of sensitisation-initiated electron transfer reaction following extended debate
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ResearchNewly discovered marine compound is in a super-carbon-chain league of its own
Isolated from algae, Benthol A has 35 stereocentres
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OpinionLetters: July 2021
Readers discuss whether air rifles or bomb disposal techniques are best for dealing with waste chemicals
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ResearchBest sighting yet of exotic crystals composed entirely of electrons
2D materials used to stabilise Wigner crystals
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ResearchComputational technique brings protein images into focus
Localisation algorithm breaks AFM resolution limits
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ResearchScientists uncover pitfalls of letting algorithms determine crystal structures
Chemists warn not to blindly trust x-ray crystallography software after finding and correcting mistakes in iodine azide structures