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Journal Highlight: Endocrine imbalance associated with proteome changes in diabetes

Date: Nov 20, 2017

Author: spectroscopyNOW

The cellular signaling and metabolic events that occur in the development of diabetes mellitus have been reviewed along with current and future research methods involving mitochondria.

Read More thumbnail image: Journal Highlight Endocrine imbalance associated with proteome changes in diabetes

Journal Highlight: PET/MRI: Where might it replace PET/CT?

Date: Nov 20, 2017

Author: spectroscopyNOW

The combined techniques of PET/MRI and PET/CT have been compared, detailing the applications for which PET/MRI has shown promise and discussing impediments to its future adoption.

Read More thumbnail image: Journal Highlight PETMRI Where might it replace PETCT

Coffee break: Protein alterations after drinking

Date: Nov 15, 2017

Author: Steve Down

A proteomics study of coffee drinkers in Sweden has uncovered inverse associations with two proteins that have been linked to appetite suppression and a number of diseases, including respiratory disorders, Alzheimer's disease and cancer.

Read More thumbnail image: Coffee break Protein alterations after drinking

New psychoactive substance in blotter paper: Ambient mass spectrometry imaging

Date: Nov 15, 2017

Author: Steve Down

Mass spectrometry imaging using an ambient ionisation technique has been used to map a recently discovered phenylethylamine novel psychoactive substance (NPS) in blotter paper where GC/MS failed to detect it.

Read More thumbnail image: New psychoactive substance in blotter paper Ambient mass spectrometry imaging

CID detects triglyceride positional isomers

Date: Nov 15, 2017

Author: Ryan De Vooght-Johnson

The amount and types of triglycerides (fats and oils) in the diet are linked to a number of disease conditions, but current methods of determining the exact position of the fatty acids on the glycerol portion of these compounds are slow and cumbersome. Scientists from the University of Massachusetts Boston have devised a new method employing mass spectrometry to distinguish between the different positional isomers of triglycerides.

Read More thumbnail image: CID detects triglyceride positional isomers

Pick up a prion: Solid state NMR spots the differences

Date: Nov 15, 2017

Author: David Bradley

Researchers in the USA have used solid-state nuclear magnetic resonance (NMR) spectroscopy to study the rogue proteins involved in familial human cerebral amyloid angiopathy (CAA). This hereditary neurodegenerative condition is one of the family of prion diseases that afflict mammals and include bovine spongiform encephalopathy (often referred to colloquially as "mad cow disease"), Creutzfeldt-Jakob disease in humans, their equivalents in cats, mice, hamsters and other animals.

Read More thumbnail image: Pick up a prion Solid state NMR spots the differences

Hybrid perovskites: Terahertz communications boost

Date: Nov 15, 2017

Author: David Bradley

A hybrid inorganic-organic perovskite that has the same structure as the original mineral can be layered on to a silicon wafer to build a component of future terahertz communications devices according to research from the University of Utah.

Read More thumbnail image: Hybrid perovskites Terahertz communications boost

Silicon solution: AAS testing in multiple sclerosis

Date: Nov 15, 2017

Author: David Bradley

Transversely -heated graphite furnace atomic absorption spectrometry has been used to show that drinking silicon-rich mineral water can increase the rate of urinary excretion of toxic aluminium ions in people with secondary progressive multiple sclerosis (SPMS).

Read More thumbnail image: Silicon solution AAS testing in multiple sclerosis

What a pen and ink: X-rayed papyrus

Date: Nov 15, 2017

Author: David Bradley

X-ray microscopic analyses of 2,000-year-old papyri fragments by scientists at the University of Copenhagen, Denmark, has shown that the black ink used by Egyptian scribes was not comprised of purely carbon-based organic materials as previously thought but contains the metallic element copper not previously identified in such inks.

Read More thumbnail image: What a pen and ink X-rayed papyrus

Journal Highlight: Comparative chemometric analysis for classification of acids and bases via a colorimetric sensor array

Date: Nov 13, 2017

Author: spectroscopyNOW

An 8 sensor colorimetric array was used to analyze acid and basic samples to determine whether PCA, HCA, or LDA is the best chemometric method for classification quantification of analytes within clusters.

Read More thumbnail image: Journal Highlight Comparative chemometric analysis for classification of acids and bases via a colorimetric sensor array
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