All Matter articles – Page 73
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ResearchMusical instrument turned into liquid density sensor
Low cost gadget fine-tuned with the help of a smartphone
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WebinarSynthia – retrosynthetic design software for practising chemists
See a technology overview of Synthia and its use in synthetic design. The webinar includes a live demo and an explanation of the licensing and service models available
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![A structure showing that the weakly bonded hydrogen of [P4H]+ sits on the edge of the P4-tetrahedron](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/7/8/5/138785_c8sc03023e-f5.jpg)
ResearchSuperacid helps scientists solve protonated white phosphorus structure
Findings set to fuel phosphorus activation research
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ResearchHydrogen bonds help porphyrin bend aromaticity rules
Molecule undergoes unprecedented topology switch from Möbius aromatic to Hückel anti-aromatic when immersed in polar solvent
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ResearchMacrocycles power up carbon nanotubes
Interlocked molecules tune the electronic properties of nanotubes, allowing researchers to control their catalytic activity
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ResearchBeryllium double bond predicted
Proposed Be–Be bond would be first double bond between s block elements using only π electrons
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ResearchChemists weave granny and triple trefoil knots
Interwoven grids folded into mechanically interlocked molecules, including a super-coiled three-trefoil
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FeatureMedical mass spec
Mass spectrometry can be used for more than just small molecules, meaning it is a vital tool in drug discovery and hospitals, as Clare Sansom discovers
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ResearchSerrated tail helps microrobot push enormous load
3D-printed catalytic channels furnish microrobot with enough strength to steer object 6500 times its own weight
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ResearchElectrochromic devices reinvented with hydrogel layer
Simplified system could find use in smart windows and rewritable displays
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ResearchAtomic Eiffel tower looms over quantum computing landscape
Many-atom arrays may become ideal quantum simulators for chemical systems
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NewsFirst protein probing experiments from Europe’s XFEL published
High-intensity x-rays offer insight into protein structure
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ResearchAlgorithm decides on chemical compromises when optimising self-driving experiments
Greek mythology inspires machine-learning approach
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ResearchAlkaline earth carbonyls break the rules
Complexes of Ca, Sr and Ba adopt a transition metal-like 18-electron configuration, rather than the octet more usually found in main group compounds
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![Molecular structure of the cation of [Tb(Cpttt)2][B(C6F5)4]·CH2Cl2](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/6/3/6/138636_c8cc05261a-f2_index.jpg)
ResearchTerbium complex completes heavy lanthanide metallocenium family
Introducing terbocenium, a new heavy lanthanide sandwich complex that will add to molecular scale data storage studies
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ResearchTwisting molecule probes cell membrane tension
Changing fluorescence visualises strain in live cells, and reveals unusual behaviour
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Research2D metal–organic framework layer is magnetic
Chemists prepare the first single layer MOF obtained by mechanical exfoliation
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ResearchReverse liquid sieve lets only large particles pass
Soap film that retains smaller particles while letting bigger ones through could be useful in open surgery or water-free toilets