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In utero cannabis exposure: Umbilical cord assessment

Date: Dec 1, 2017

Author: Steve Down

An international team of scientists has developed a way to measure cannabis in the umbilical cord, allowing clinicians to assess the risks to newborns without relying on the word of their mothers.

Read More thumbnail image: In utero cannabis exposure Umbilical cord assessment

Box–Behnken design makes rhubarb extracts fine

Date: Dec 1, 2017

Author: Ryan De Vooght-Johnson

Medicinal rhubarb has long being used in traditional Chinese medicine, but accurate assays of its many active compounds are hampered by the expense of analytical standards. Scientists from Tianjin University and Tianjin University of Traditional Chinese Medicine have developed a new methods of assaying multiple rhubarb compounds by quantitative analysis of multi-components with a single marker (QAMS), while also optimising their extraction with a Box–Behnken design.

Read More thumbnail image: BoxBehnken design makes rhubarb extracts fine

EEG and MRI combined: Helping solve ALS

Date: Dec 1, 2017

Author: David Bradley

Combining EEG (electroencephalography) with magnetic resonance imaging (MRI) has led to new insights into the signalling problems that lead to the delibating symptoms of amyotrophic lateral sclerosis (ALS).

Read More thumbnail image: EEG and MRI combined Helping solve ALS

Germanium-tin nanoparticles: Correlated with Raman spectroscopy

Date: Dec 1, 2017

Author: David Bradley

Raman and photoluminescence spectroscopies have been used to quantify lattice strain and photoluminescence behaviour in tin nanoparticles. The investigation reveals a correlation between the amount of tin in the nanoparticle core and how well the core's lattice matched that of its cadmium sulfide outer shell.

Read More thumbnail image: Germanium-tin nanoparticles Correlated with Raman spectroscopy

Antibiotic binding: X-rays show us the sites

Date: Dec 1, 2017

Author: David Bradley

Researchers at the Université de Montréal, Canada, are using X-ray crystallography to find the exact binding site for small molecules that can attach and thus inhibit the bacterial protein, TraE, which is an essential component of the plasmid transfer machinery of bacterial resistance gene sharing.

Read More thumbnail image: Antibiotic binding X-rays show us the sites

Heat stack: Infra-red tracked in real-time

Date: Dec 1, 2017

Author: David Bradley

Researchers at the Institute of Photonic Sciences in Barcelona, Spain, have tracked infrared energy in real-time as it flows through van der Waals stacks consisting of graphene encapsulated by the dielectric two-dimensional material hexagonal boron nitride (hBN).

Read More thumbnail image: Heat stack Infra-red tracked in real-time

Fluorine pharma: Quality control by NMR

Date: Dec 1, 2017

Author: David Bradley

Routine analysis and quality control of fluorine-containing pharmaceuticals could now be possible with the application of the relatively simple and straightforward technique of fluorine-19 nuclear magnetic resonance (NMR) spectroscopy, according to researchers in Kenya and Germany.

Read More thumbnail image: Fluorine pharma Quality control by NMR

Journal Highlight: Winds in the middle cloud deck from the near-IR imaging by the Venus monitoring camera onboard Venus Express

Date: Nov 27, 2017

Author: spectroscopyNOW

The correlation approach has been applied to sequences of the near-IR images at 965 nm taken of the Venus cloud layer from the Venus Express orbiter to track cloud features and determine the wind field in the middle and lower cloud (49–57 km).

Read More thumbnail image: Journal Highlight Winds in the middle cloud deck from the near-IR imaging by the Venus monitoring camera onboard Venus Express

Journal Highlight: Delicate changes of bioapatite mineral in pig femur with addition of dietary xylooligosaccharide: Evidences from Raman spectroscopy and ICP

Date: Nov 27, 2017

Author: spectroscopyNOW

Mineralogical changes of mineral bioapatite in pig femur in animals raised with various xylooligosaccharide additions at two stages of growth have been studied by Raman spectroscopy and ICP-OES.

Read More thumbnail image: Journal Highlight Delicate changes of bioapatite mineral in pig femur with addition of dietary xylooligosaccharide Evidences from Raman spectroscopy and ICP

Journal Highlight: 31P NMR of the pyruvate kinase reaction: An undergraduate experiment in enzyme kinetics

Date: Nov 27, 2017

Author: spectroscopyNOW

A simple 31P NMR tube experiment has been developed that allows students to examine the enzyme kinetics and equilibrium constant of the reaction catalyzed by pyruvate kinase.

Read More thumbnail image: Journal Highlight 31P NMR of the pyruvate kinase reaction An undergraduate experiment in enzyme kinetics
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