Analytical chemistry – Page 43
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FeatureSeparating the guilty and the innocent
Chromatography is one of the key weapons in the forensic scientist’s arsenal, as Clare Sansom discovers
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ResearchSecret of frankincense’s evocative smell unravelled
Scientists identify mystery molecules responsible for the scent associated with Christmas and church
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NewsUK lab first to use liquid gallium x-ray source
The Small lab set to produce big results in nano-research
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ResearchMolecular energy transfer put under the microscope
Combining scanning tunnelling microscopy with luminescence gives access to energy transfer in action
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ResearchHydrogen isotopes reveal butterflies’ journey across the Sahara
Painted lady butterflies shown to migrate thousands of miles from Europe to Sub-Saharan Africa
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NewsForensic evidence in the firing line in the US
Feature comparison techniques like fingerprints, footprints and ballistics lack rigour, according to presidential council report
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ResearchIR microscope exposes proteins in living cells
Tool avoids problems with IR microscopy to capture 3D images
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NewsFlorida crime lab chemist jailed for drug theft, evidence tampering
Chemist who supervised evidence at a state crime lab in Florida is sentenced to 15 years in prison for stealing drugs and evidence tampering
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ResearchCopper key to our sensitivity to rotten eggs' foul smell
Central role that metals play in detection of noxious sulfur compounds is unknown among any other odour receptor
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ResearchPrehistoric proteins found in ancient ostrich eggshells
New record set by preserved proteins that are 3.8 million years old
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ResearchUltra detailed MRI scans a step closer
‘Polarised nuclear imaging’ using magnetic resonance manipulation of radioactive atoms could enable new diagnostic tools
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ResearchMicroscale chisel unearths current flow through solar cell
Defects may actually help improve working of popular photovoltaic device
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ResearchGlowing polymer highlights mercury in fish
Portable fluorescent probe allows quick and easy detection of toxic pollutant
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NewsForensic plan for the UK is ‘vague, incomplete’
MPs tell the government to go back to the drawing board on forensic strategy
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ResearchPolymer ‘artery’ makes light work of microfluidic pumping
Photo-responsive deformable tube can move liquids in microreactors without the need for external pumps
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ResearchExplosive intermediates muzzled by crystalline sponge
Ozonide structures determined safely with room to adapt the technique to other unstable compounds
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NewsPaper-based test picks out problem pills
A simple analytical tool can spot poor quality pharmaceuticals