What is the collective noun for solid-state nuclear magnetic resonance spectrometers?

TD_28-6_F1-sTony Davies and Steven Brown explore the solid-state nuclear magnetic resonance spectroscopy facilities at the University of Warwick, UK.

Read more: What is the collective noun for solid-state nuclear magnetic resonance spectrometers?

 

Change is in the air

Next year, a new version of ISO/IEC 17025 will be published, which is going to mean changes for all those involved in quality systems. Peter Jenks investigates.

Read more: Change is in the air

 

Into the laboratory… TOS still reigns supreme

Sampling_28-6_F7-sKim Esbensen and Claas Wagner continue to stress that grab sampling is still an absolute no-no regardless of the size of the sampling device or the sample.

Read more: Into the laboratory… TOS still reigns supreme

   

Are they among us? Screening for drugs of abuse and new psychoactive substances in pooled human urine and wastewater samples

MS1_28-5-sThe study of metabolites in our sewage systems is not new, but there are particular difficulties with identifying the metabolites from new psychoactive substances, or “legal highs”. The authors describe a wide range of sample collection methodologies and their analysis with mass spectrometry.

Read more: Are they among us? Screening for drugs of abuse and new psychoactive substances in pooled human urine and wastewater samples

 

Analysis and sequencing of nucleic acids by matrix-assisted laser desorption/ionisation mass spectrometry

MS2_28-5-sThis article gives a most useful overview of the analysis and sequencing of nucleic acids by matrix-assisted laser desorption/ionisation mass spectrometry, which should interest all readers and may well serve as a useful tutorial article.

Read more: Analysis and sequencing of nucleic acids by matrix-assisted laser desorption/ionisation mass spectrometry

   

Raman microspectroscopy provides access to compositional and microstructural details of polycrystalline materials

Raman_28-5-sThere are a number of advantages of Raman microspectroscopy, including its the ease of its application, as in many cases no or very little sample preparation is needed and the experiments are performed at atmospheric pressure.

Read more: Raman microspectroscopy provides access to compositional and microstructural details of polycrystalline materials

 

Investigation of the decomposition of organic solvent-based lithium ion battery electrolytes with liquid chromatography-mass spectrometry

LIB_28-5-sLithium ion batteries power most of the electrical devices we rely on every day. As well as mobile phones, laptops and tablets, they are finding increasing use in vehicles, with electric cars not uncommon on our streets. This article is from a young scientist who has won help for her research through an instrument company’s support programme. You can find out more, read the article and even apply yourself.

Read more: Investigation of the decomposition of organic solvent-based lithium ion battery electrolytes with liquid chromatography-mass spectrometry

   

Updating IUPAC spectroscopy recommendations and data standards

TD_28-5-sInternational standards need to keep pace with the innovation in analytical equipment and practices. For example, many of the advances in nuclear magnetic resonance (NMR) spectroscopy reported in this journal in recent years have yet to find themselves mirrored by updates in the respective Recommendations of the International Union of Pure and Applied Chemistry (IUPAC), nor in the many and varied proprietary recommended reporting formats of the different peer-reviewed primary scientific journals. Not that every innovation needs to be “standardised”: with the speed of many developments it is important to find the right balance between reacting to real movements in a field and enshrining a short-lived fad in a IUPAC Recommendation.

Read more: Updating IUPAC spectroscopy recommendations and data standards

 

Spear sampling: a bane at all scales

Sampling_28-5-sThis column now turns its attention to sampling using a very popular tool, the “sampling spear”. There is much good to be said about spear sampling—and only one thing which is bad. But this is bad enough: spear samplers are very, very difficult to get to produce representative samples! The spear sampling principle can be made representative, but in most practical situations in which spear sampling is used today it manifestly is not. WHY? And more importantly, WHAT can be done about it? This column also turns out to touch on one of TOS’ six governing principles: SSI, Sampling Scale Invariance.

Read more: Spear sampling: a bane at all scales

   

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