Analytical chemistry – Page 29
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ResearchMolecular movie reveals how twisting methyl disturbs aspirin electrons
Femtosecond x-ray experiments show how small vibrations kick off electron redistribution around an entire aspirin molecule
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ResearchMechanochemical simulations surprise with crystals behaving like putty
Inaugural picture of what happens when materials are bashed together reveals unexpected level of molecular transfer
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ResearchStudy challenges hydrogen-ordered ice hypothesis
Scientists debate whether endotherm indicates a new phase of ice or a deep glassy state
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NewsForensic chemist’s sacking raises questions about US drug convictions
Firing of North Carolina police chemist prompts review of criminal drug cases from the past three-and-a-half years
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ResearchUV can introduce oxidation artefacts during protein purity tests
HPLC–UV–MS blamed for impurities spotted by AstraZeneca team
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ResearchHunting for isotopes with EELS
Electron microscopy detects isotopically labelled molecules with nanoscale resolution
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ResearchDroplets retain crystal-like structure while sliding on vertical substrate
Surprising properties of soft material may have significant impact on polymer physics
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FeatureReady for a Raman shift
Raman spectroscopy has been seen as a tool for physicists and chemists but Hayley Bennett finds it has the potential to cause a major shift in the way we do medicine
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ResearchBlue teeth reveal medieval nun's artistic talent
Analysis identifies traces of the precious stone lapis lazuli
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ResearchPore-forming toxins detect long strands of DNA
Lithium electrolyte helps aerolysin overcome electrostatic obstacle to detect ssDNA longer than 100 nucleotides
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ResearchMetal-bound hydrogen atom with extreme NMR shift discovered
Hydrogen atom bound directly to iron detected at ultra-low shift by paramagnetic nuclear magnetic resonance for the first time
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ResearchNanoparticles assemble into first single-ingredient quasicrystal
Predicted a decade ago, the first one-component quasicrystal has been made from tetrahedral particles
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ResearchLiquid analysis simultaneously checks for 71 elements
Technique delivers elemental fingerprint of everything from water to wine in minutes
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ResearchDispute over reaction prediction puts machine learning’s pitfalls in spotlight
Two research teams’ argument over a reaction-predicting algorithm show that there is still a lot to understand when applying machine learning to chemistry
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ResearchChemists borrow biological instrument to sort polymer beads by shape
Cell sorting machine discriminates between spherical, disc-shaped and ellipsoidal polystyrene particles
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NewsUK forensic lab misconduct results in dozens of convictions being overturned
Data manipulation at Randox Testing has led to 40 drug-driving convictions being quashed after samples were retested
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ResearchCatalyst predictor shows drug manufacturing promise
Joint industrial–academic team develops and validates force-field tool for identifying ligands for enantioselective catalysis
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ResearchFluorinated compounds in cosmetic products
Moisturisers, shaving foam and foundation investigated as sources of per- and polyfluoroalkyl substances
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BusinessSensing the sweet spot
Ziylo’s selective glucose-binding molecule could open doors to smart insulin for diabetes