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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

Anemones punch holes: Toxins by NMR

Date: Apr 1, 2017

Author: David Bradley

A new approach to constructing a sea anemone toxin makes it plausible to incorporate site-specific isotopic labels for solid-state nuclear magnetic resonance (NMR) spectroscopic structural studies that will ultimately reveal how it functions and provide clues as to the action of other pore-forming proteins.

Read More thumbnail image: Anemones punch holes Toxins by NMR

Graphene for X-rays: Benchtop instruments

Date: Apr 1, 2017

Author: David Bradley

A collaboration between the A*STAR Singapore Institute of Manufacturing Technology (SIMTech) and the Massachusetts Institute of Technology (MIT) in the USA is working towards a versatile, directional X-ray source that exploits the properties of the "two-dimensional" carbon material known as graphene and could be built as a bench-top or even handheld device for a wide range of applications.

Read More thumbnail image: Graphene for X-rays Benchtop instruments

Silver nanoparticles: Fungi to beat bacteria

Date: Apr 1, 2017

Author: David Bradley

Researchers in Brazil and the UK have used UV-Vis spectroscopy, scanning electron microscopy, EDX, and XRD to characterise silver nanoparticles made by soil fungi, with the potential to defeat antibiotic resistant bacteria.

Read More thumbnail image: Silver nanoparticles Fungi to beat bacteria

Disease detector: Early signs visible to infrared

Date: Apr 1, 2017

Author: David Bradley

Fourier transform infrared (FTIR) spectroscopy can detect and characterize the release of sub-micrometre sized microvesicles and how they change in response during the body's immunological response to bacterial infection.

Read More thumbnail image: Disease detector Early signs visible to infrared

Food colourant: Sensor tech

Date: Apr 1, 2017

Author: David Bradley

A material that has been used as a food dye for decades in corn chips and ice cream could be used in novel sensor technology, according to researchers at Georgia Institute of Technology.

Read More thumbnail image: Food colourant Sensor tech
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