All articles by Andy Extance – Page 20
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Research
RNA teams up to beat selfish rivals
Ribozymes that cooperate outdo autocatalytic rivals, supporting the idea that life evolved from an ‘RNA world’
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Research
Perovskite posits answer to xenon riddle
The surprising noble gas ratio in the Earth's atmosphere could be explain by the solubility of these gases in magma during the planet's formation
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Research
Silicon sliver implants melt away
Transfer printing silicon and magnesium onto silk makes water-soluble 64-pixel camera and anti-bacterial heater, heralding ‘transient’ medical devices
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NewsUK university lab shut after student poisoning
Police and safety body investigate as University of Southampton PhD student exposed to thallium and arsenic falls ill
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Research
Sweaty buildings cool themselves
Keeping buildings cool with hydrogels, while cutting carbon emissions is 1% inspiration, 99% perspiration
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Research
Inert nanoshells succumb to iron will
Doping hollow silica nanoshells with iron could make them biodegradable and therefore safer for medical applications like real-time tumour imaging
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Research
Cells step toward plugless charging
Piezoelectric power packs that could self-charge as you walk on them skip usual first electricity generation stage
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Research
Carbon clusters score lucky seven
Teaming up with titanium is predicted to deliver stable seven-coordinate carbon dication, larger than any seen in the lab
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Research
‘Spider threads’ bring great self-healing power
Mimicking silk protein’s stimuli responsiveness not only brings millimetre-scale cracks together, it also successfully recreates its legendary toughness
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FeaturePlasmons with a purpose
Exploited unknowingly by craftsmen for hundreds of years, the plasmonic effects of metal surfaces have rapidly gone from curiosity to treating cancer. Andy Extance trips the light fantastic
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FeatureRaising a glass to champagne
Andy Extance uncorks the secrets of sparkling wines’ unique taste and aroma
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BusinessDrug watchdogs mark out global territory
US and European regulatory agencies are leading worldwide collaborations to ensure drugs from outside their borders are safe
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News
Polymers perform non-DNA evolution
Successful transcription of DNA to xeno-nucleic acids (XNA) and back again shows that life's chemistry could have very different
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News
Microfluidic fuel cell powers forward
Laminar flow eliminates expensive membranes, allowing higher power density and otherwise incompatible fuels and oxidants to be used
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Feature
Speciation measures
The boom in analytical methods for determining the distribution of an element between its different chemical forms is charted by Andy Extance
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News
Protocells called thermal springs home
Cells' ionic composition suggests life may have originated in thermal springs rather than deep sea vents
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News
Calculations reveal carbon-carbon quadruple bond
High bonding order possible in main group and may be responsible for the ability to isolate molecular species
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News
Tube-wrapped lamp makes malaria drug
Continuous flow photochemistry enables critical singlet oxygen hydroperoxidation, raising hopes of cheap artemisinin production
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News
Dirty pots reveal ancient fish suppers
Isotope ratios and fatty acids residues in ancient pottery indicate that Europeans carried on fishing after farming began
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News
Water erodes 'lock and key' drug model
Protein binding is not ruled by increases in entropy when ligands displace water, contrary to long-held 'hydrophobic effect' theory