Materials – Page 57
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NewsBetter windows with aerogels
Researchers have developed ways of making improved, cheaper transparent silica aerogel composites that could revolutionise windows
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ResearchSingle-molecule switch flipped on and off by light
A light-controlled electrical switch has been made from a single photosensitive molecule
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ResearchQuasicrystals on a collision course with Earth
Natural quasicrystals may form from object collisions in the solar system
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ResearchMOF in a bottle
Waste plastic bottles become a source for porous metal–organic framework synthesis
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ResearchMetal ion swap improves artificial enzymes
Substituting iron with iridium expands the catalytic capacity of metalloenzymes
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ResearchPerovskites spun out into stable solar cells
Device beats previous efficiency record of 15.6%, reaching nearly 20%
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ResearchLight and heat flip compound between phases
UV light and heat induce reversible switch between ionic liquid and coordination polymer
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ResearchTutankhamun’s burial dagger is ‘extra-terrestrial’ in origin
Analysis of the iron in the 3000-year-old mummy’s dagger suggests it originally came from a meteorite
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OpinionPlastic not so fantastic
The world has a big problem with small plastics and the time to act is now
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ResearchGas trap could drive down cost of key commodity chemical
Material can separate contaminant from the world’s biggest organic chemical feedstuff – ethylene – and cut its carbon footprint
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ResearchIBM-led team aims molecular antivirus at buildings and people
Polymers initially targeting cleaning wipes stop 11 different viruses entering cells
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ResearchCrawling chemical system acts as if it’s alive
Intriguing globule that moves, eats and defecates
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FeatureBuilding better bones
Can we make biodegradable materials strong enough to support the human body yet porous enough to allow real bone tissue to regenerate? Hayley Birch finds out
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ResearchWater gets the mille-feuille treatment
Puff pastry-style filter paper is crème de la crème of virus filtration
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ResearchSpreading palladium thinly delivers exceptional catalytic activity
Dispersing individual palladium atoms in titania nanosheet boosts activity 55-fold over commercial counterparts
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Research‘Shark jelly’ has record proton conductivity
Hydrogel that fills sharks’ electrosensing pores has the highest reported proton conductivity for a biological material
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Research‘Plastic antibodies’ in deodorant to fight body odour
Team working with L’Oréal create polymer that can capture specific compounds in sweat that bacteria turn into nasty niffs
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ResearchProtein crystals stretch knowledge of exotic materials
Self-assembling protein tiles show rare property of thickening by the same amount as they are stretched by
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BusinessEvonik acquires Air Products’ chemical unit
Air Products also spinning off electronic materials to focus on industrial gases