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This article is is a fascinating look into the use of laser ablation inductively coupled plasma mass spectrometry in forensic examination of glass fragments. These are often associated with crime scenes and easily “attach” to any people near them. Thus, they can be used to link criminals to their crime and to provide information on where a glass fragment might have originated.
Whilst the major components of food are usually non-fluorescent, many minor food components that affect its nutritive, compositional and technological quality are fluorescent. Given its sensitivity, ease of use and non-destructive nature, this makes it useful in many applications around monitoring food processing and in fundamental food research.
The CAL(AI)2DOSCOPE (Cryogenic Absorption/Luminescence Alignment Independent Alternative Intermittent Detection Optical µSCOPE) is a microspectrometer that was constructed with the aim to facilitate the correlated investigation of absorption and fluorescence emission properties of nanovolumic protein samples under modulatable actinic illumination.
This article demonstrates the capability of the near-field method to probe polymer microspheres within a protein matrix, and we present the first IRSR photothermal near-field Fourier transform infrared (FT-IR) spectrum from within an individual biological cell, which establishes the feasibility of hyperspectral mapping at sub-micrometre resolution in a practical timescale.
Tony Davies and Steven Brown explore the solid-state nuclear magnetic resonance spectroscopy facilities at the UNiversity of Warwick, UK.
Kim 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.
The 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.
This 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.
- 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
- Updating IUPAC spectroscopy recommendations and data standards
- Spear sampling: a bane at all scales
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- Synchrotron infrared near-field spectroscopy in photothermal mode
- The CAL(AI)2DOSCOPE: a microspectrophotometer for accurate recording of correlated absorbance and fluorescence emission spectra
- Glowing colours of foods: application of fluorescence and chemometrics in food studies
- The transparent witness: forensic examination of glass evidence at the Bundeskriminalamt
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Dimitris Alexandraki... saidDear Gerry
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- Atomic absorption
- Atomic emission
- Ion mobility
- Laser spectroscopy
- Mass spectrometry
- Near infrared
- NMR ESR EPR
- North America
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- X-ray spectrometry