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Honey proteome: Novel allergens and venom-like proteins

Date: May 17, 2019

Author: Steve Down

The protein compositions of 13 different types of honey have been determined by mass spectrometry, revealing strong similarities and several novel proteins which could be associated with the food's curative properties.

Read More thumbnail image: Honey proteome Novel allergens and venom-like proteins

Not so sweet: Arsenic in your honey

Date: May 15, 2019

Author: David Bradley

Electrothermal atomic absorption spectrometry (ETAAS) has been used to determine arsenic concentrations in honey samples. The samples were prepared using a dispersive liquid-liquid microextraction (DLLME) method developed based on the application of a magnetic ionic liquid (MIL) to create an extractant phase.

Read More thumbnail image: Not so sweet Arsenic in your honey

One for the toad: Electrophysiological analysis

Date: May 15, 2019

Author: David Bradley

The natural products, bombinin H2 and H4, are peptides isolated from the skin of the Yellow-bellied toad, Bombina variegata, of central and southern Europe, have antimicrobial activity against Leishmania as well as bacteria. An analysis of electrophysiological data points to a possible mode of action based on pore opening, according to a study published in the journal Applied Bio Materials.

Read More thumbnail image: One for the toad Electrophysiological analysis

Hiroshima Beach: X-ray echoes of glassy fallout

Date: May 15, 2019

Author: David Bradley

An X-ray study has proven that tiny glassy particles in the sand on Japan's Motoujina Peninsula came from the fallout of the Hiroshima atomic bomb. Geologist Mario Wannier, who was studying tiny marine life spotted the unexpected in samples of sand from the beach there and hopes his discovery will raise awareness in the scientific community and beyond.

Read More thumbnail image: Hiroshima Beach X-ray echoes of glassy fallout

Plastic fantastic: NMR aids recycling

Date: May 15, 2019

Author: David Bradley

Nuclear magnetic resonance (NMR) spectroscopy has been used in the development of a new type of plastic, poly(diketoenamine) or PDK, that can be recycled repeatedly by breaking it down into its building blocks and repolymerising into a new products with a different shape, texture, and colour without loss of performance or quality.

Read More thumbnail image: Plastic fantastic NMR aids recycling

Journal Highlight: Spatial‐spectral analysis method using texture features combined with PCA for information extraction in hyperspectral images

Date: May 14, 2019

Author: spectroscopyNOW

A new method to treat spatial and spectral information interactively involves the extraction of spatial features from each wavelength image of a hypercube followed by principal components analysis of the spatial feature matrix to identify wavelength‐dependent variation in spatial patterns.

Read More thumbnail image: Journal Highlight Spatialspectral analysis method using texture features combined with PCA for information extraction in hyperspectral images

Cocaine testing in wastewater: Mixed-mode chromatography in LC/MS

Date: May 9, 2019

Author: Steve Down

Mixed-mode chromatography combined with tandem mass spectrometry has been used for the first time to measure cocaine and its metabolites and pyrolytic products in wastewater, illustrated by the analysis of samples from Spain and Brazil.

Read More thumbnail image: Cocaine testing in wastewater Mixed-mode chromatography in LCMS

Journal Highlight: Luminescence properties of novel Eu3+‐doped tantalate NaCaTiTaO6 red‐emitting phosphors for solid‐state lighting

Date: May 9, 2019

Author: spectroscopyNOW

Novel tantalate red‐emitting phosphors NaCa1‐xEuxTiTaO6 have been synthesised and characterised as substitute red phosphors for white light‐emitting diodes.

Read More thumbnail image: Journal Highlight Luminescence properties of novel Eu3doped tantalate NaCaTiTaO6 redemitting phosphors for solidstate lighting

Journal Highlight: Mass spectrometric study of acoustically levitated droplet illuminates molecular‐level mechanism of photodynamic therapy for cancer involving lipid oxidation

Date: May 9, 2019

Author: spectroscopyNOW

Field‐induced droplet ionization mass spectrometry combined with acoustic levitation has been used to study the wall‐less oxidation reactions of 18:1 cardiolipin and POPG mediated by singlet oxygen at the air‐water interface of levitated water droplets.

Read More thumbnail image: Journal Highlight Mass spectrometric study of acoustically levitated droplet illuminates molecularlevel mechanism of photodynamic therapy for cancer involving lipid oxidation

Journal Highlight: Observations of X‐ray reverberation around black holes

Date: May 8, 2019

Author: spectroscopyNOW

Observations of X‐ray reverberation in active galactic nuclei and black hole X‐ray binary systems have been examined, illustrating recent advances and future perspectives in the field.

Read More thumbnail image: Journal Highlight Observations of Xray reverberation around black holes
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