Analytical chemistry – Page 22
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OpinionKathleen Lonsdale’s crystallography tables
No princes were needed on the quest for structure factors
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ResearchCorrections promise more accurate CO2 measurements from space
Improvements to cavity ring-down spectroscopy could also benefit quantum science
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ResearchFirst movie of tumbling molecule reveals its quantum nature
Rotating rod-shaped molecule’s wavefunction recorded in 651 images
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ResearchAlgorithm increases certainty of stereochemical assignments in flexible molecules
Computational fitting procedure set to reinvigorate vibrational circular dichroism spectroscopy
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PodcastPolypropylene
Microplastics, including polypropylene, are present in our oceans, on our beaches and even in bottled water. Ian Robertson investigates the scale and some solutions
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ResearchUncertainty metric builds confidence in machine learned-chemistry
Calculation will help users recognise when they need to retrain a neural network
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OpinionMachine-learning Mendeleevs have rediscovered the periodic table
Exposing new dimensions in the relationships between elements
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ArticleMicroplastics – A chance discovery leads to a research passion
Tiny plastics are polluting our waterways, foods and drinks. To understand and combat this contaminant, we need to leverage technologies capable of detecting their presence and understanding their makeup
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FeatureFiring up an air pollution problem
Wild fires adversely affect air quality nearby and far beyond. Nina Notman investigates this escalating problem
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ResearchAFM captures changing structures of charged molecules
Technique that adds electrons one by one could enable new molecules to be synthesised by atomic manipulation
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OpinionDo you know about C–H‧‧‧O?
The C–H‧‧‧O hydrogen bond controversy has long been resolved – we should tell our students
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FeatureThe forgotten female crystallographer who discovered C–H⋯O bonds
Andy Extance tells the overlooked story of crystallographer June Sutor, whose C–H⋯O bonding hypothesis was unjustly suppressed
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PodcastCyclopropane
Chemistry’s tastiest bonds for an explosive anaesthetic that was as useful as it was dangerous
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ResearchSolubility simulations solve mystery of why PEG dissolves in water but Keck clips don’t
Answer to puzzle of why such similar polyethers behave so differently could lead to better predictions of a molecule’s solubility
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ResearchPoly(ionic liquid)s respond like taste buds in new saccharide detection system
System that exploits non-covalent interactions between ionic liquid moieties and carbohydrates could have multiple real-world applications
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ResearchIonisation energy of promethium fills one of the last holes in periodic table
Experiment puts an end to 75-year-old mystery
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Podcast2C psychedelics
A class of hallucinogenic phenethylamines, explored by the 'godfather of psychedelics' Alexander Shulgin and sadly implicated in a tragedy at a 2017 music festival
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ResearchFirst 4D look at crystallising atoms contradicts textbook nucleation theory
Tracking individual atoms over time in a solid-to-solid phase puts another nail in classical nucleation theory’s coffin