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Journal Highlight: A new flow cell and chemometric protocol for implementing in‐line Raman spectroscopy in chromatography

Date: Jun 17, 2019

Author: spectroscopyNOW

An in‐line flow cell has been designed for downstream chromatographic processing with Raman spectroscopic detection, backed up by chemometric modelling and illustrated by the prediction of monoclonal antibody concentrations in harvests with a high content of impurities.

Read More thumbnail image: Journal Highlight A new flow cell and chemometric protocol for implementing inline Raman spectroscopy in chromatography

Per and poly fluoro: Modelling soil transport

Date: Jun 15, 2019

Author: David Bradley

Per- and poly-fluoroalkyl compounds have been found in a wide range of environments. Now, measured data on mobility in different types of soil have been used to model the transport of the important contaminant perfluorooctanoic acid (PFOA).

Read More thumbnail image: Per and poly fluoro Modelling soil transport

One for the toad: Electrophysiological analysis

Date: May 15, 2019

Author: David Bradley

The natural products, bombinin H2 and H4, are peptides isolated from the skin of the Yellow-bellied toad, Bombina variegata, of central and southern Europe, have antimicrobial activity against Leishmania as well as bacteria. An analysis of electrophysiological data points to a possible mode of action based on pore opening, according to a study published in the journal Applied Bio Materials.

Read More thumbnail image: One for the toad Electrophysiological analysis

Journal Highlight: Spatial‐spectral analysis method using texture features combined with PCA for information extraction in hyperspectral images

Date: May 14, 2019

Author: spectroscopyNOW

A new method to treat spatial and spectral information interactively involves the extraction of spatial features from each wavelength image of a hypercube followed by principal components analysis of the spatial feature matrix to identify wavelength‐dependent variation in spatial patterns.

Read More thumbnail image: Journal Highlight Spatialspectral analysis method using texture features combined with PCA for information extraction in hyperspectral images

Journal Highlight: SpinStudioJ: A cross‐platform NMR data acquisition and processing workbench based on a plug‐in architecture

Date: Apr 16, 2019

Author: spectroscopyNOW

A novel NMR data acquisition and processing workbench called SpinStudioJ uses a plug‐in‐based architecture and is based on Eclipse Rich Client Platform, providing a plug‐and‐play runtime mechanism and rich graphical user interface functionality.

Read More thumbnail image: Journal Highlight SpinStudioJ A crossplatform NMR data acquisition and processing workbench based on a plugin architecture

Order and disorder: Protein structure informatics

Date: Apr 15, 2019

Author: David Bradley

A bioinformatics approach to understanding disorder in proteins and the implications for disease builds on experimental data from nuclear magnetic resonance (NMR) spectroscopy.

Read More thumbnail image: Order and disorder Protein structure informatics

Statistical moment techniques sort out distorted peaks

Date: Mar 20, 2019

Author: Ryan De Vooght-Johnson

Most calculations and associated software involving chromatography peaks assume a ‘Gaussian’ peak shape, but often this is not the case. Researchers from the University of Texas at Arlington and AbbVie’s Process Analytical Technology centre in Chicago have developed a new user-friendly method for calculating peak parameters using statistical moments, while also providing a free Excel template for calculations.

Read More thumbnail image: Statistical moment techniques sort out distorted peaks

Journal Highlight: REFLEX: a program for the analysis of specular X‐ray and neutron reflectivity data

Date: Mar 18, 2019

Author: spectroscopyNOW

A freeware standalone program named REFLEX dedicated to the simulation and analysis of X-ray and neutron reflectivity from multilayers that was first written two decades ago with constant improvements since, has been published for the first time.

Read More thumbnail image: Journal Highlight REFLEX a program for the analysis of specular Xray and neutron reflectivity data

Asbestos analysis: Drinking water contamination

Date: Mar 15, 2019

Author: David Bradley

A stepwise multiple differential Fourier-transform infra-red spectra method inductively coupled plasma optical emission spectrometry with a partial least squares method, and have been used to carry out a quantitative analysis of asbestos in drinking water.

Read More thumbnail image: Asbestos analysis Drinking water contamination

Internal standard calculations ensure improved determinations

Date: Mar 6, 2019

Author: Ryan De Vooght-Johnson

Internal standard methods are widely used to determine accurate analyte concentrations, but the arithmetic typically used for internal standard calculations can lead to errors. Researchers from the Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS and Ampersand Ltd (both Moscow) describe an improved method for the calculation of analyte concentrations using internal standards.

Read More thumbnail image: Internal standard calculations ensure improved determinations
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