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Journal Highlight: Spectroscopic studies on the interaction of chromium (VI) and chromium (III) with keyhole limpet hemocyanin

Date: Apr 10, 2017

Author: spectroscopyNOW

The interactions of keyhole limpet hemocyanin with chromium nitrate, potassium dichromate, and chromate have been studied using fluorescence, UV–vis absorption and circular dichroism spectroscopy under simulated physiological conditions.

Read More thumbnail image: Journal Highlight Spectroscopic studies on the interaction of chromium VI and chromium III with keyhole limpet hemocyanin

Journal Highlight: 'NMR Crystallization': in-situ NMR techniques for time-resolved monitoring of crystallization processes

Date: Apr 3, 2017

Author: spectroscopyNOW

An overview of the range of NMR strategies currently available for in-situ studies of crystallization processes is presented, with examples of applications that highlight their potential to deepen our understanding of crystallization phenomena.

Read More thumbnail image: Journal Highlight NMR Crystallization in-situ NMR techniques for time-resolved monitoring of crystallization processes

Journal Highlight: A New LA-ICP-MS Method for Ti in Quartz: Implications and Application to High Pressure Rutile-Quartz Veins from the Czech Erzgebirge

Date: Apr 3, 2017

Author: spectroscopyNOW

A new method has been proposed for determining 48Ti mass fractions in quartz by LA-ICP-MS at the 1 μg g−1 level, relevant to quartz in HP-LT terranes, using natural quartz as a reference material rather than NIST reference glasses.

Read More thumbnail image: Journal Highlight A New LA-ICP-MS Method for Ti in Quartz Implications and Application to High Pressure Rutile-Quartz Veins from the Czech Erzgebirge

Journal Highlight: Raman microspectroscopy as a useful tool for nanopathology

Date: Apr 3, 2017

Author: spectroscopyNOW

The possibilities and advantages of Raman microspectroscopy for the detection and characterization of particles of an unknown nature in human nasal mucosa and amniotic fluids have been surveyed.

Read More thumbnail image: Journal Highlight Raman microspectroscopy as a useful tool for nanopathology

Journal Highlight: The analysis of scalp irritation by coacervates produced in hair shampoo via FTIR with focal plane array detector, X-ray photoelectron microscopy and HaCaT cells

Date: Apr 3, 2017

Author: spectroscopyNOW

A coacervate that forms on the scalp from hair washing products has been characterised as a cationic polymer containing an anionic surfactant using FTIR-FPA and X-ray photoelectron microscopy.

Read More thumbnail image: Journal Highlight The analysis of scalp irritation by coacervates produced in hair shampoo via FTIR with focal plane array detector X-ray photoelectron microscopy and HaCaT cells

Forensic body fluids: Protein biomarkers

Date: Apr 2, 2017

Author: Steve Down

Biological stains such as urine, saliva and seminal fluid can be distinguished from each other using panels of unique protein biomarkers, offering a reliable way to assign the origin of a DNA profile in forensic cases, say researchers in the USA.

Read More thumbnail image: Forensic body fluids Protein biomarkers

Fabric sweat testing: Armpit excretions distinguish material and gender

Date: Apr 2, 2017

Author: Steve Down

The sweat volatiles that escape from armpits onto clothing that were analysed by 2D-GC/MS can be used to distinguish between the types of fabric and examine the effects of washing, while also revealing the gender of the subjects.

Read More thumbnail image: Fabric sweat testing Armpit excretions distinguish material and gender

New MOGO optimisation algorithm wins at Monte Carlo

Date: Apr 2, 2017

Author: Ryan De Vooght-Johnson

Optimisation of conflicting objectives, such as yield and purity, has long been a problem in process optimisation. Researchers from the Forschungszentrum Jülich in Germany have developed an improved optimisation algorithm, MOGO, which they applied to the simulated separation of a protein by ion-exchange chromatography.

Read More thumbnail image: New MOGO optimisation algorithm wins at Monte Carlo

Elemental analysis: Hair by AAS

Date: Apr 2, 2017

Author:

Atomic absorption spectrometry (AAS) has been used to analyse hair samples from Polish children and adolescents revealing significant differences between metallic elements present in different age groups and between boys and girls.

Read More thumbnail image: Elemental analysis Hair by AAS

Machine learning: Trained with MRI

Date: Apr 1, 2017

Author: David Bradley

US scientists are using a supercomputer to analysis magnetic resonance imaging (MRI) brain scans to find markers for predicting mental illness and dementia prior to onset.

Read More thumbnail image: Machine learning Trained with MRI
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