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Commercial heparin characterised by 2D NMR
Commercial heparin manufactured by different processes has been characterised by 2D NMR spectroscopy to establish the compositions and degree of variability across US manufacturers.
- Published: May 10, 2013
- Author: Steve Down
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Ambient advances
The progress of ambient mass spectrometry is illustrated by the recent publication of three reviews which examine the latest advances in the technique and its application to high-throughput screening and imaging.
- Published: May 9, 2013
- Author: Steve Down
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Coloured glass decay related to metal oxidation states
By studying coloured glass segments which are 200-2000 years old, scientists in Spain have uncovered a link between the degree of decay and the oxidation states of two transition metals.
- Published: May 8, 2013
- Author: Steve Down
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Blood test for fibromyalgia based on IR
A blood test for fibromyalgia based on mid-IR spectroscopy can differentiate this condition from osteoarthritis and rheumatoid arthritis.
- Published: Apr 26, 2013
- Author: Steve Down
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Undiluted toothpastes and creams by NMR
The active components in viscous formulations like toothpastes, cosmetic creams and pharmaceutical gels can be analysed by HR-MAS NMR spectroscopy with minimal sample preparation, say scientists in Switzerland.
- Published: Apr 25, 2013
- Author: Steve Down
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Ozone creates irritant in aircraft cabin air
Ozone in the cabins of aircraft reacts with organic compounds derived from passengers, their clothing and their carryon luggage to produce potentially harmful carbonyl compounds, say US researchers.
- Published: Apr 18, 2013
- Author: Steve Down
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Iceman had bad teeth
The Iceman named Ötzi who was discovered in the Alps in 1991 had bad teeth, say Swiss scientists in the latest examination of this 5300-year-old mummy.
- Published: Apr 16, 2013
- Author: Steve Down
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Minerals in cat and dog food
Brazilian scientists have measured the contents of 14 mineral elements in cat and dog food, to check their compliance with regulatory requirements.
- Published: Apr 9, 2013
- Author: Steve Down
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Strong SERS signal enhancement in living cells
Gold nanoflowers can increase the signal in SERS by as much as 100 million-fold and have been used as tags for imaging studies of living cells.
- Published: Apr 4, 2013
- Author: Steve Down
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CAS gains Springer procedures
The scientific publisher Springer has agreed to work with the American Chemical Society's Chemical Abstracts Service to include thousands of new experimental procedures for chemical reactions in CAS databases.
- Published: Apr 3, 2013
- Author: Jon Evans
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