Articles

Mössbauer spectroscopy—an indispensable tool in solid state research

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Mossbauer-24-4-F14-sPhilipp Gütlich, Christian Schröder and Volker Schünemann update us on “Mössbauer spectroscopy—an indispensable tool in solid state research”. One of the more high-profile applications of the technique has been its use in the exploration of Mars. Whilst the latest NASA mission to Mars that successfully landed on 6 August, when we were putting this issue together, does not have a Mössbauer spectrometer onboard, the earlier Opportunity rover does and is  still active on Mars at present and the next mission will again. There are many other fascinating applications of Mössbauer spectroscopy which make this article one you must read.

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Mass spectrometry investigations of nanoparticles by tandem charge detection mass spectrometry

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MS-24-4-F2-s“Mass spectrometry investigations of nanoparticles by tandem charge detection mass spectrometry” by Tristan Doussineau, Philippe Dugourd and Rodolphe Antoine describes how the limitation of conventional mass spectrometry for weighing macro-ions with masses higher than one megadalton can be overcome with the technique of charge detection mass spectrometry and how they have developed such an instrument for performing MS/MS. This has potential for exploring the “nano world”.

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Infrared spectroscopy of nucleoprotein complexes

IR-24-4-F1-sA. Roque, I. Ponte and P. Suau look at “Infrared spectroscopy of nucleoprotein complexes”. The advantages of IR spectroscopy have allowed them to determine the structure of linker histones and ­protamines as they interact with DNA. Linker histones are involved with the condensation of the thick chromatin fibre and are believed to have a regulatory role in transcription through the modulation of chromatin higher order structure.

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Measuring brain activity using functional near infrared spectroscopy: a short review

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NIR-24-4-F1-s“Measuring brain activity using functional near infrared spectroscopy: a short review” by Felix Scholkmann and Martin Wolf looks at the various methods for performing fNIRS and some applications that demonstrate why this non-invasive, safely applicable, portable and cost-effective method is now an integral part of the techniques used in neuroscience.

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Following lipids in the food chain: determination of the iodine value using Raman micro-spectroscopy

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Raman2-24-3-sRaman spectroscopy is used to monitor the iodine value of algal-derived fish feed for its lipid content and to monitor algae samples for biofuel production.

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