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Environmental, healthcare sensor: Thiourea testing

Date: Oct 1, 2017

Author: David Bradley

Co-doped manganese oxide nanoparticles (CMOs) can be made with a facile hydrothermal method and used in an emzyme-free, yet highly sensitive thiourea sensor. A whole raft of analytical techniques, including ultraviolet-visible (UV-Vis) spectroscopy, was used to characterize the particles.

Read More thumbnail image: Environmental healthcare sensor Thiourea testing

Journal Highlight: MRI-guided breast interventions

Date: Sep 25, 2017

Author: spectroscopyNOW

The theoretical and practical aspects of MRI-guided interventions in breast cancer and subsequent biopsy have been discussed and the impact of emerging MRI techniques has been assessed.

Read More thumbnail image: Journal Highlight MRI-guided breast interventions

Journal Highlight: Disturbing the balance: effect of contact lens use on the ocular proteome and microbiome

Date: Sep 25, 2017

Author: spectroscopyNOW

Following a discussion of defence mechanisms in the normal eye, the influence of contact lenses on the ocular microbiome and proteome has been reviewed.

Read More thumbnail image: Journal Highlight Disturbing the balance effect of contact lens use on the ocular proteome and microbiome

Journal Highlight: Quantitative analysis of total hydrocarbons and water in oil-contaminated soils with attenuated total reflection infrared spectroscopy

Date: Sep 18, 2017

Author: spectroscopyNOW

The feasibility of direct quantitative analysis of total hydrocarbons and water in oil-contaminated soils using ATR-mid-IR spectroscopy has been evaluated, the spectral data being used to build calibration models for hydrocarbon contamination and moisture content.

Read More thumbnail image: Journal Highlight Quantitative analysis of total hydrocarbons and water in oil-contaminated soils with attenuated total reflection infrared spectroscopy

Mixed-mode model made for medicinal antibodies

Date: Sep 16, 2017

Author: Ryan De Vooght-Johnson

Mixed-mode chromatography (MMC), which combines the properties of ion-exchange chromatography (IEC) and hydrophobic interaction chromatography (HIC), is increasingly used for the purification of various proteins, such as medicinal antibodies. Scientists from Mannheim University of Applied Sciences and Roche Pharmaceuticals’ Munich site developed equations to predict the elution of a bispecific antibody from an MMC column.

Read More thumbnail image: Mixed-mode model made for medicinal antibodies

Dialysis membranes: Adsorbed proteins

Date: Sep 15, 2017

Author: Steve Down

The effects of protein adsorption on two types of hemodialysis membrane have been studied by Chinese scientists to identify the unwanted biochemical reactions that occur in an effort to design more efficient membrane materials.

Read More thumbnail image: Dialysis membranes Adsorbed proteins

New psychoactive substance screening: Wastewater from city festival

Date: Sep 15, 2017

Author: Steve Down

European scientists have used high-resolution mass spectrometry to screen for new psychoactive substances in wastewater during a city festival in Amsterdam, finding that traditional drugs are still dominant in the Dutch illicit drug scene.

Read More thumbnail image: New psychoactive substance screening Wastewater from city festival

Journal Highlight: Detection of copper bisguanidine NO adducts by UV-vis spectroscopy and a SuperFocus mixer

Date: Sep 11, 2017

Author: spectroscopyNOW

The reaction of Cu(I) bisguanidine complexes with nitric oxide and the formation of intermediate species were monitored via UV-vis spectroscopy at low temperature and the limits of the SuperFocus mixer for this reaction were explored.

Read More thumbnail image: Journal Highlight Detection of copper bisguanidine NO adducts by UV-vis spectroscopy and a SuperFocus mixer

Journal Highlight: Imaging mass spectrometry for metabolites: technical progress, multimodal imaging, and biological interactions

Date: Sep 11, 2017

Author: spectroscopyNOW

Recent developments in the use of imaging mass spectrometry for metabolite analysis, focusing specifically on technological advancement and their applications, have been reviewed, including technical advances and recent applications.

Read More thumbnail image: Journal Highlight Imaging mass spectrometry for metabolites technical progress multimodal imaging and biological interactions

Journal Highlight: Chiral gold nanoclusters: Atomic level origins of chirality

Date: Sep 11, 2017

Author: spectroscopyNOW

The use of single-crystal X-ray crystallography to study the chirality of atomically precise thiolate-protected gold nanoclusters, which have emerged as a new class of nanomaterial, has been reviewed.

Read More thumbnail image: Journal Highlight Chiral gold nanoclusters Atomic level origins of chirality
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