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Ultraviolet in stereo: Photoelectric effect

Date: Jul 1, 2018

Author: David Bradley

Ultraviolet can assist understanding the photoelectric effect whereby a photon incident on a material causes the ejection of an electron from that material. Researchers in Swizterland have now used attosecond laser pulses to measure the time evolution of this effect in molecules and so can deduce the exact location of such photoionization events.

Read More thumbnail image: Ultraviolet in stereo Photoelectric effect

19th Century photography: X-ray restoration art

Date: Jul 1, 2018

Author: David Bradley

Early photography based on the daguerreotype method used silver plates. Unfortunately some of the oldest known photographic artefacts have faded with the years. Now a team in Canada has demonstrated that they can use a synchrotron light source to carry out rapid-scanning micro-X-ray fluorescence imaging of daguerreotypes and reveal the latent, long-since faded image.

Read More thumbnail image: 19th Century photography X-ray restoration art

Healthy brain: MRI scans our indulgences

Date: Jul 1, 2018

Author: David Bradley

Many of us enjoy junk food, delicious but unhealthy. Over-indulgence can underpin many of the problems facing the modern human such as Type 2 diabetes, obesity, and cardiovascular disease. But, a magnetic resonance imaging (MRI) study shows that our penchant for such food choice may not be a potentially character flaw but could be down to our neurobiology.

Read More thumbnail image: Healthy brain MRI scans our indulgences

Lunar water: Micro-Raman examines meteorites

Date: Jul 1, 2018

Author: David Bradley

 A lunar meteorite found in one of the hottest places on the Earth's surface provides new evidence of there being water on the moon thanks to data from a micro-Raman spectroscopy study.

Read More thumbnail image: Lunar water Micro-Raman examines meteorites

Motor neurone link: NMR investigates proteins

Date: Jul 1, 2018

Author: David Bradley

Nuclear magnetic resonance (NMR) spectroscopy technology has been used to investigate how two proteins important in a hereditary form of motor neurone disease, Kap-β2 importin and the FUS protein, bind to each other. The research could ultimately lead the way to a better understanding of this neurodegenerative disease.

Read More thumbnail image: Motor neurone link NMR investigates proteins

Droning on and off: Infrared mine detection

Date: Jul 1, 2018

Author: David Bradley

Cost effective and time efficient remote sensing that uses a "drone" equipped with an infrared camera can detect plastic munitions and explosives of concern such as so-called "butterfly" mines has enormous potential for clearing up lethal objects left behind after a military conflict.

Read More thumbnail image: Droning on and off Infrared mine detection

Journal Highlight: Susceptibility MRI captures nigral pathology in patients with parkinsonian syndromes

Date: Jun 25, 2018

Author: spectroscopyNOW

Susceptibility MRI measurements have been used to capture nigral pathologies associated with parkinsonian syndromes, reflecting pathological aspects of the disorders beyond iron such as α‐synuclein, which could be useful for diagnosing differential parkinsonian syndromes.

Read More thumbnail image: Journal Highlight Susceptibility MRI captures nigral pathology in patients with parkinsonian syndromes

Journal Highlight: Revealing the inhibitory effect of ginseng on mitochondrial respiration through synaptosomal proteomics

Date: Jun 25, 2018

Author: spectroscopyNOW

A proteomics study of the synaptosomes of rats treated with ginseng has shown that it can regulate the function of mitochondria and alter the energy metabolism of cells, which may be useful for the treatment of central nervous disorders.

Read More thumbnail image: Journal Highlight Revealing the inhibitory effect of ginseng on mitochondrial respiration through synaptosomal proteomics

Journal Highlight: Partial least squares discriminant analysis for chemometrics and metabolomics: How scores, loadings, and weights differ according to two common algorithms

Date: Jun 18, 2018

Author: spectroscopyNOW

Two common algorithms for partial least squares discriminant analysis developed by Wold (NIPALS) and by Martens have been compared by graphical representations.

Read More thumbnail image: Journal Highlight Partial least squares discriminant analysis for chemometrics and metabolomics How scores loadings and weights differ according to two common algorithms

Asthma control: Protein biomarkers

Date: Jun 15, 2018

Author: Steve Down

A proteomics study has identified a link between the levels of proteins in the serum and sputum of asthmatics for whom the disease is poorly controlled, providing early indications when further clinical intervention is needed to give a better outcome.

Read More thumbnail image: Asthma control Protein biomarkers
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