Analysis – Page 7
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Research
Deviation study suggests numerous elemental analyses are too good to be true
Should journals introduce new requirements for researchers reporting elemental analysis data?
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Research
Listening to quantum beats could reveal rhythm of birds’ migratory compass
Laser technique to read out oscillating spin states could help uncover how animals’ magnetic sense works
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Case closed on how surfactant micelles create mesopores within zeolites
Raman spectroscopy unveils key step in the formation of heterogeneous catalysts
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Algorithm out of Google’s DeepMind finesses DFT calculations
Machine learning creates algorithm that avoids large errors in solutions to certain problems
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Rare red californium sandwich pushes frontier of isolable molecules
Researchers rehearsed metallocene’s synthesis with other elements before using just two milligrams of the precious radioactive actinide
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Diels-Alder reaction directly observed under the microscope
Simple ring-forming reaction followed on a surface for the first time using scanning probe microscopy
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Unsupervised machine-learning tool could accelerate catalyst discovery
The approach was able to identify phosphine ligands that may form dinuclear palladium(I) complexes using only five experimental data points
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Minority Report-esque AI predicts new designer drugs before they’re made
Machine learning program accurately predicts structure of unknown psychoactive substances from mass spectra alone
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Molecular Newton’s cradle challenges theory of transition states
Nanoscale trick-shot sees fluorine atoms knocked along chain
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Textbook electronegativity model fails when it comes to carbon–halogen bond strengths
Computational analysis finds that it’s size, not electronegativity differences, determining bond strength within periodic table groups
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Double aromaticity puts a hex on gallium
Planar hexacoordinate cluster isn’t stable when other group 13 elements replace gallium
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Model performs reality check on adsorbents for carbon capture
Tool could save researchers time by assessing new materials from a variety of angles
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Are organic chemists discovering fewer reactions than they were decades ago?
Analysis of millions of transformations reveals reliance on popular methods – and the rise of complex reactions
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Individual proteins identified with world’s tiniest ruler
Nanosized caliper that can identify individual proteins could ‘do for proteins what next-generation sequencing did for DNA’
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Squeezed crystal becomes better catalyst
Fine-tuning platinum’s lattice strain with removable atomic spacers boosts its catalytic activity by up to 50%
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First snapshots of ionised water’s fleeting radical–cation pair
Ultrafast electron diffraction spots hydroxyl–hydronium complex before it separates a hundred quadrillionth of a second later
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Marie Antoinette’s secret messages to Swedish count revealed by chemical analysis
Spectroscopy deciphers censored passages in 200-year-old letters between last French queen and the man rumoured to be her lover
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Record NMR shift in metal-bound phosphorus
Second record for iron complex as chemical shift beyond –10,000ppm discovered in phosphorus atoms directly bound to the metal
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First fluoronium crystal solves structure controversy
X-ray analysis of elusive cation finally proves it to be a symmetric near-covalent structure, not a carbocation
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Research
Heavy metal proteins are the secret weapon in ant bites
Protein-rich biomaterials containing zinc, manganese, copper and bromine allow ants, crabs and scorpions to pack more punch for their size