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Journal Highlight: Aluminium release by coated and uncoated fluid‐warming devices

Date: Mar 7, 2019

Author: spectroscopyNOW

Aluminium levels in coated and uncoated fluid‐warming devices that used normal saline or balanced electrolyte solution as infusion fluids have been analysed using GFAAS to measure the risk of administering potentially harmful metal concentrations.

Read More thumbnail image: Journal Highlight Aluminium release by coated and uncoated fluidwarming devices

Journal Highlight: Analysis of Raman spectral characteristics of chemical warfare agents by using 248‐nm UV Raman spectroscopy

Date: Mar 6, 2019

Author: spectroscopyNOW

Raman spectra of 18 chemical agents, including major chemical warfare agents, have been measured using a 248‐nm deep‐UV light source, confirming that the technique could be the main method for quickly and accurately detecting and identifying CWA contamination.

Read More thumbnail image: Journal Highlight Analysis of Raman spectral characteristics of chemical warfare agents by using 248nm UV Raman spectroscopy

Journal Highlight: Updates of HITRAN spectroscopic database from 2008 to 2016 and implications for near‐infrared radiative transfer calculations

Date: Mar 6, 2019

Author: spectroscopyNOW

A line‐by‐line radiative transfer model has been used to investigate the impacts of updates of the HITRAN (High Resolution Transmission) database from 2008 to 2016 on clear‐sky calculations of absorption and solar heating rates in the near‐infrared region from 4000‐10000 cm‐1 (1.0‐2.5 μm).

Read More thumbnail image: Journal Highlight Updates of HITRAN spectroscopic database from 2008 to 2016 and implications for nearinfrared radiative transfer calculations

Novel top-down protein platform: Serial SEC with FTICR mass spectrometry

Date: Mar 6, 2019

Author: Steve Down

Mixtures of intact proteins with closely related molecular masses that were extracted from heart tissue have been resolved and identified by high-resolution FT/ICR mass spectrometry following serial size exclusion chromatography.

Read More thumbnail image: Novel top-down protein platform Serial SEC with FTICR mass spectrometry

Internal standard calculations ensure improved determinations

Date: Mar 6, 2019

Author: Ryan De Vooght-Johnson

Internal standard methods are widely used to determine accurate analyte concentrations, but the arithmetic typically used for internal standard calculations can lead to errors. Researchers from the Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS and Ampersand Ltd (both Moscow) describe an improved method for the calculation of analyte concentrations using internal standards.

Read More thumbnail image: Internal standard calculations ensure improved determinations

Cauliflower SERS: Vegetable substrate inspiration

Date: Mar 1, 2019

Author: David Bradley

Using surface-enhanced Raman spectroscopy (SERS) for multiple targets simultaneously remains something of a challenge. Now, three-dimensional substrate for the technique inspired by the fractal structure of the cauliflower has been developed to allow detection of several mycotoxins at the same time.

Read More thumbnail image: Cauliflower SERS Vegetable substrate inspiration

Genetic brain disorder: MRI clues

Date: Mar 1, 2019

Author: David Bradley

Abnormalities evident on brain magnetic resonance imaging (MRI) scans coupled with epileptic seizures are characteristic of a rare paediatric disorder. The identification by an international team of researchers of the cause of progressive neurodevelopmental epileptic encephalopathy could lead to new treatments.

Read More thumbnail image: Genetic brain disorder MRI clues

Pure ultraviolet: Graphene emission

Date: Mar 1, 2019

Author: David Bradley

 It is possible to generate near-pure ultraviolet emission from layers of graphene nanosheets, according to a team in China. They explain that near unity charge separation efficiency is key to the pure UV emission in their system.

Read More thumbnail image: Pure ultraviolet Graphene emission

Urea complexes: NMR examination and more

Date: Mar 1, 2019

Author: David Bradley

A whole raft of techniques including nuclear magnetic resonance (NMR) spectroscopy have been used to analyse and characterise two synthesised complexes of zinc and nickel with the urea derivative, 2-benzimidazolyl-urea (BZIMU). The compounds show promised against cancer cell lines in the laboratory as well as antibacterial activity.

Read More thumbnail image: Urea complexes NMR examination and more

Uranium chelation: X-ray stuctrure

Date: Mar 1, 2019

Author: David Bradley

A chelating agent inspired by biological siderophores that soaks up uranium from aqueous solution has been studied using X-ray photoelectron spectroscopy (XPS) and elemental distribution mapping via energy-dispersive X-ray (EDX) spectroscopy analysis together with various other spectroscopic techniques.

Read More thumbnail image: Uranium chelation X-ray stuctrure
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