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Graphene-based drug detectors: Characterised by UV

Date: Jan 8, 2018

Author: David Bradley

Various techniques including ultraviolet-visible (UV-Vis) spectroscopy have been used to characterise spongy drug detectors based on graphene.

Read More thumbnail image: Graphene-based drug detectors Characterised by UV

Methane methods: IR reveals catalytic details

Date: Jan 8, 2018

Author: David Bradley

Infrared spectroscopy techniques and a quantum theory model have been used by an international team to investigate the nature of methane dissociation reactions on platinum. The results could offer a route map to novel catalysts for converting natural gas into higher chemicals.

Read More thumbnail image: Methane methods IR reveals catalytic details

Journal Highlight: Rapid identification of microorganisms from platelet concentrates by matrix-assisted laser desorption ionization time-of-flight mass spectrometry after short-term incubation on liquid medium

Date: Jan 8, 2018

Author: spectroscopyNOW

The sensitivity, specificity and speed of a direct MALDI-TOF approach for detecting bacteria in platelets have been compared to the conventional method BACTEC.

Read More thumbnail image: Journal Highlight Rapid identification of microorganisms from platelet concentrates by matrix-assisted laser desorption ionization time-of-flight mass spectrometry after short-term incubation on liquid medium

Journal Highlight: Understanding dissolved organic matter dynamics in urban catchments: insights from in situ fluorescence sensor technology

Date: Jan 8, 2018

Author: spectroscopyNOW

This focus article gathers the contemporary literature on urban DOM and presents a conceptual model of system dynamics, highlighting the potential of field deployable fluorescence sensor technology to overcome monitoring challenges in urban rivers.

Read More thumbnail image: Journal Highlight Understanding dissolved organic matter dynamics in urban catchments insights from in situ fluorescence sensor technology

Journal Highlight: High concentration measurements of U and Pu with nondestructive and standardless K-edge densitometer device

Date: Jan 8, 2018

Author: spectroscopyNOW

A K-edge densitometer has been used to measure high concentrations of U and Pu in samples, comparing two processing methods without calibration (except energy calibration).

Read More thumbnail image: Journal Highlight High concentration measurements of U and Pu with nondestructive and standardless K-edge densitometer device

Protein dynamics: NMR focuses on GPCRs

Date: Jan 5, 2018

Author: David Bradley

Nuclear magnetic resonance (NMR) spectroscopy has allowed US researchers to peer into the heart of a key protein used in drug design to reveal dynamic structural features that may lead to new ways for targeting disease.

Read More thumbnail image: Protein dynamics NMR focuses on GPCRs

Raman boost: Low-cost solutions

Date: Jan 5, 2018

Author: David Bradley

Arranging nanoparticles on nanowires can enhance surface-enhanced Raman spectroscopy (SERS) by exploiting electromagnetic fields to boost scattering and thus sensitivity of standard dyes, such as R6G, by many times, according to researchers in India.

Read More thumbnail image: Raman boost Low-cost solutions

Watery weirdness: X-rays reveal

Date: Jan 4, 2018

Author: David Bradley

A femtosecond X-ray laser has been used by scientists at Stockholm University, Sweden, to probe the so-called "no man's land" in the thermodynamic landscape of water to explain some of its anomalous behaviour. The study points to water existing as two distinct liquids at a certain critical state, the team reports in the journal Science.

Read More thumbnail image: Watery weirdness X-rays reveal

Journal Highlight: Recent advances in linear and non-linear Raman spectroscopy. Part XI

Date: Jan 4, 2018

Author: spectroscopyNOW

This annual review provides an overview of advances in Raman spectroscopy as reflected in papers published each year in the Journal of Raman Spectroscopy and related journals.

Read More thumbnail image: Journal Highlight Recent advances in linear and non-linear Raman spectroscopy_ Part XI

Mapping intelligence: MRI reveals wiring connection

Date: Jan 4, 2018

Author: David Bradley

In work funded by the UK's Wellcome Trust and the National Institutes of Health in the USA, researchers at the University of Cambridge have used magnetic resonance imaging to map the connections in the brain and shown that the strength of those connections correlates with a person's intelligence.

Read More thumbnail image: Mapping intelligence MRI reveals wiring connection
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