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You have reached the spectroscopyNOW and separationsNOW blogs page. Our contributors Steve Down (spectroscopy) and Jon Evans (separations) will bring you analytical news, observations and comment as it happens.

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Showing page 23 of 36

Commercial heparin characterised by 2D NMR

thumbnail image: 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.

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Ambient advances

thumbnail image: 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.

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Coloured glass decay related to metal oxidation states

thumbnail image: 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.

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Blood test for fibromyalgia based on IR

thumbnail image: 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.

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Undiluted toothpastes and creams by NMR

thumbnail image: 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.

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Ozone creates irritant in aircraft cabin air

thumbnail image: 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.

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Iceman had bad teeth

thumbnail image: 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.

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Minerals in cat and dog food

thumbnail image: 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.

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Strong SERS signal enhancement in living cells

thumbnail image: 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.

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CAS gains Springer procedures

thumbnail image: 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.

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