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Journal Highlight: The effectiveness of multi-element fingerprints for identifying the geographical origin of wheat

Date: May 1, 2017

Author: spectroscopyNOW

The multi-elemental compositions of wheat have been analysed by high-resolution ICPMS with multiway analysis of variance to investigate the influences of region, genotype, harvest year and their interactions on all elements.

Read More thumbnail image: Journal Highlight The effectiveness of multi-element fingerprints for identifying the geographical origin of wheat

Journal Highlight: Resonance Raman and UV-visible microscopy reveals that conditioning red blood cells with repeated doses of sodium dithionite increases haemoglobin oxygen uptake

Date: May 1, 2017

Author: spectroscopyNOW

Raman confocal microscopy and UV–vis microscopy showed that successive additions of sodium dithionite to suspensions of red blood cells increased the rate and the capacity to uptake oxygen.

Read More thumbnail image: Journal Highlight Resonance Raman and UV-visible microscopy reveals that conditioning red blood cells with repeated doses of sodium dithionite increases haemoglobin oxygen uptake

Journal Highlight: Quantitative IR microscopy and spectromics open the way to 3D digital pathology

Date: May 1, 2017

Author: spectroscopyNOW

The reconstruction of 3D quantitative chemical images of biological tissue by FTIR spectromicroscopy is reported, using an automated curve-fitting method to extract all of the intense absorption bands.

Read More thumbnail image: Journal Highlight Quantitative IR microscopy and spectromics open the way to 3D digital pathology

Neonicotinoids: Persistence in drinking water

Date: May 1, 2017

Author: Steve Down

Three common neonicotinoid insecticides have been detected in drinking water in the US after river water was passed through a conventional water treatment plant, presenting a risk to humans, but activated carbon filtration is a more successful treatment option

Read More thumbnail image: Neonicotinoids Persistence in drinking water

SPME optimisation hits the sweet spot for sugar cane spirits

Date: May 1, 2017

Author: Ryan De Vooght-Johnson

It is important to be able to analyse the many volatile compounds in sugar cane spirit, since they are responsible for its flavour. Researchers at the Federal University of Lavras and the Federal University of the Jequitinhonha and Mucuri Valleys in Brazil optimised the extraction of these compounds by SPME, prior to GC-MS, using a central composite experimental design.

Read More thumbnail image: SPME optimisation hits the sweet spot for sugar cane spirits

Obscure crystals: Extracting extra from X-ray data

Date: May 1, 2017

Author: David Bradley

A new method allows scientists to extract previously hidden information from X-ray diffraction data on proteins and other biological molecules. The technique allows the difference between a target with and without its substrate to be more precisely refined in drug discovery.

Read More thumbnail image: Obscure crystals Extracting extra from X-ray data

NMR reveals entropy redistribution: Bacterial proteins

Date: May 1, 2017

Author: David Bradley

Research carried out at the of the METACyt Biomolecular NMR Laboratory at IU Bloomington at Indiana University has revealed evidence that tiny changes in atomic movements in bacterial proteins can play a big role in how these microorganisms function and evolve.

Read More thumbnail image: NMR reveals entropy redistribution Bacterial proteins

Mushrooms on the defensive: UV enzyme clues

Date: May 1, 2017

Author: David Bradley

Ultraviolet-visible (UV/Vis) spectroscopy and various other techniques, including MALDI mass spectrometry and 1D adn 2D nuclear magnetic resonance (NMR) spectroscopy have been used to help explain how mushrooms get defensive.

Read More thumbnail image: Mushrooms on the defensive UV enzyme clues

Emission control: Infrared metamaterial

Date: May 1, 2017

Author: David Bradley

A meta material that can be tuned to emit different wavelengths of infrared light in a controlled manner having absorbed energy could be used to make a device for collecting and so using waste heat.

Read More thumbnail image: Emission control Infrared metamaterial

Accentuating the positive: fMRI investigation

Date: May 1, 2017

Author: David Bradley

Functional MRI has been used to measure the activity in different regions of the brain of subjects shown disturbing images of violence - war and accidents - in an investigation aimed at understanding how poor sleep in anxiety and depression might make it harder for people to see the world positively.

Read More thumbnail image: Accentuating the positive fMRI investigation
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