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Better bread and beer: Chemometric bakeoff

Date: Oct 15, 2017

Author: David Bradley

The use of multivariate data has allowed researchers from the Department of Food Science (FOOD) at the University of Copenhagen in Denmark to build a regression model of the analysis of whole grains at long near-infrared (NIR) wavelengths obtained with a supercontinuum laser. The research could improve our understanding of the chemistry of food ingredients with implications for improving bread and beer.

Read More thumbnail image: Better bread and beer Chemometric bakeoff

Virtual Issue - 2017 Nobel Prize in Chemistry Winners

Date: Oct 9, 2017

Author:

The 2017 Nobel Prize in Chemistry has been awarded to Professor Jacques Dubochet, Dr Joachim Frank and Dr Richard Henderson for the development of cryo-electron microscopy for imaging of biomolecules in solution. To celebrate the Award, we present here articles by Professor Dubochet and Dr Frank published in the Journal of Microscopy.

Read More thumbnail image: Virtual Issue - 2017 Nobel Prize in Chemistry Winners

Journal Highlight: Mining molecular structure databases: Identification of small molecules based on fragmentation mass spectrometry data

Date: Oct 9, 2017

Author: spectroscopyNOW

Computational methods that help with the identification of small molecules by analyzing mass spectral fragmentation data have been reviewed, focusing on the four main approaches to mine a database.

Read More thumbnail image: Journal Highlight Mining molecular structure databases Identification of small molecules based on fragmentation mass spectrometry data

Journal Highlight: Quantitative total reflection X-ray fluorescence analysis of directly collected aerosol samples

Date: Oct 9, 2017

Author: spectroscopyNOW

A feasibility study investigating the use of total reflection X-ray fluorescence analysis for the quantification of elements in directly collected aerosol samples is described.

Read More thumbnail image: Journal Highlight Quantitative total reflection X-ray fluorescence analysis of directly collected aerosol samples

New 1.2 GHz NMR Spectrometers - New Horizons?

Date: Oct 3, 2017

Author: Prof. Dr. Harald Schwalbe

The latest ultrahigh-field NMR spectrometers are a huge technological challenge that require large financial investments. In his Guest Editorial written in the July issue of Angewandte Chemie, Harald Schwalbe justifies the need for spectrometers with higher magnetic field strengths. The important results from previous generations of high-field NMR spectrometers are discussed, and research areas are identified that will benefit from the latest spectrometers.

Read More thumbnail image: New 1_2 GHz NMR Spectrometers - New Horizons

Discover leading research in cannabis detection

Date: Oct 3, 2017

Author:

Cannabinoid research from an analytical viewpoint is rapidly developing as a more liberal approach to the medical, legal and social issues of the drug is adopted. Start reading our cannabinoid collection of papers here - free to access until the end of December.

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Journal Highlight: Lipoprotein particle concentration measured by nuclear magnetic resonance spectroscopy is associated with gestational age at delivery: a prospective cohort study

Date: Oct 2, 2017

Author: spectroscopyNOW

The complex relationship between maternal lipoproteins and preterm birth has been studied using NMR to measure lipoprotein particle levels in the blood of women at 24-29 weeks gestation.

Read More thumbnail image: Journal Highlight Lipoprotein particle concentration measured by nuclear magnetic resonance spectroscopy is associated with gestational age at delivery a prospective cohort study

Journal Highlight: Quantification of cocaine in ternary mixtures using partial least squares regression applied to Raman and Fourier transform infrared spectroscopy

Date: Oct 2, 2017

Author: spectroscopyNOW

FTIR and Raman spectroscopy have been used to to identify and quantify substances found at the locations of suicide attempts, poisonings, and drug consumption sites, including crack samples containing a cocaine base and adulterants commonly seized in drug busts, such as caffeine, lidocaine, and sodium carbonate.

Read More thumbnail image: Journal Highlight Quantification of cocaine in ternary mixtures using partial least squares regression applied to Raman and Fourier transform infrared spectroscopy

Journal Highlight: Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

Date: Oct 2, 2017

Author: spectroscopyNOW

Three different classes of sulfur species present in crude oils have been quantified by LC separation and on-line detection and quantification by ICP-MS/MS, which will facilitate the optimization of desulfurization conditions during fuel production.

Read More thumbnail image: Journal Highlight Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

Journal Highlight: Raman microspectroscopic mapping: A tool for identification of fused materials in fire debris

Date: Oct 2, 2017

Author: spectroscopyNOW

Raman microspectroscopy mapping has been demonstrated for material identification postfire in complex situations, such as the production of fused masses during fire dropdown, analysing a 10 μm × 10 μm square of the masses.

Read More thumbnail image: Journal Highlight Raman microspectroscopic mapping A tool for identification of fused materials in fire debris
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