Analytical chemistry – Page 49
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FeatureExplosive chemistry
The Forensic Explosives Laboratory supports police investigations into unlawful use of explosives. Philip Robinson reports from Fort Halstead
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ResearchLive insects pictured with electron microscope
A protective ‘nano-suit’ made from a common detergent protects specimens in a vacuum
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NewsFears for forensic quality in England and Wales
Audit reveals little data on services police purchase and a regulatory unable to enforce standards across the industry
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ResearchSelf-cleaning sensors see the light
Overcoming electrode fouling in biomedical and environmental detectors
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ResearchDiamond sensor atom scale imaging proposed
Technique could, in theory, be used to build up a detailed picture of protein binding sites and other complex structures using NMR
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ResearchTomography allows ancient texts to rise from the ashes
Scroll from town destroyed in Vesuvius eruption over 2000 years ago deciphered
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ResearchBlowing up brain tissue with swelling polymer delivers sharper images
Tissue samples inflated to four times their size to overcome microscopy limitations
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ResearchPheromone trap will not let the bed bugs bite
Bed bugs are attracted to chemicals in their own faeces, which could make infestations easier to spot
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ResearchInfrared offers odds on skin cancer spreading
Identifying melanomas that have not metastasised could help patients avoid unnecessary and unpleasant additional treatment
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CareersPicturing the past with mass spec
Angela Lamb talks to Nina Notman about mastering isotope analysis to reconstruct ancient climates and cultures
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PodcastChemistry World podcast - January 2015
How a new nanoparticle iron supplement can treat anaemia, and a run down of chemists in the new year honours
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Research
Quick and cheap test to detect horse meat
Scientists develop test for meat authentification using a benchtop NMR machine
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PodcastChemistry World podcast - December 2014
How nitrogen can make green explosives and why molecular communication might produce chatty nanobots
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NewsHard questions after litany of forensic failures at US labs
An apparent upsurge in malpractice at forensics crime labs has prompted calls for tighter oversight and controls
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Research
Nanostripe controversy in new twist
Creator of striped nanoparticles insists questions over structures have already been answered and accuses critics of a ‘personal war’
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ResearchMagnetic resonance taken to the limit
Technique can read the spin of a single nucleus opening up a new way to investigate proteins and complex molecules
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ResearchHydrogen bond pictures come under close scrutiny
For atomic force microscopy images claiming to show intermolecular interactions, appearances may be deceiving