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Journal Highlight: Screening for chemicals in paper and board packaging for food use: Chemometric approach and estimation of migration

Date: May 18, 2015

Author: spectroscopyNOW

An analytical survey of 20 paper and board materials intended for food use was carried out to identify chemicals with a potential to migrate into foods, using a chemometric approach was used to explore the data.

Read More thumbnail image: Journal Highlight Screening for chemicals in paper and board packaging for food use Chemometric approach and estimation of migration

Condom classification: Ambient mass spec distinguishes brands

Date: May 15, 2015

Author: Steve Down

The chemicals found in condoms can be used to distinguish different brands by two ambient mass spectrometry techniques, providing extra forensic evidence which might help to identify criminal suspects.

Read More thumbnail image: Condom classification Ambient mass spec distinguishes brands

Cereal allergens: Food processing effects revealed by proteomics

Date: May 15, 2015

Author: Steve Down

Processing wheat into couscous and barley into malt reduces the levels of many allergenic proteins, say Czech researchers, who showed that the iTRAQ mass spectrometric labelling system is a useful way to measure food allergens.

Read More thumbnail image: Cereal allergens Food processing effects revealed by proteomics

Rift Valley Virus: NMR clues

Date: May 15, 2015

Author: David Bradley

A US team has used NMR spectroscopy to investigate the structural properties of an important protein of the Rift Valley fever virus, a virus that causes infections in both humans and livestock similar to the Ebola virus.

Read More thumbnail image: Rift Valley Virus NMR clues

Vegging out: Metals in oils by FAAS

Date: May 15, 2015

Author: David Bradley

Optimised ultrasound-assisted liquid-liquid extraction of copper, iron, nickel and zinc from samples of edible vegetable oils facilitates analysis with high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS) analysis.

Read More thumbnail image: Vegging out Metals in oils by FAAS

Cleaning up: Asthma link

Date: May 15, 2015

Author: David Bradley

The use of specific cleaning products and sprays at work, mainly irritants such as hydrochloric acid and ammonia solution, exacerbate symptoms in cleaners with asthma, according to a statistical analysis on use and symptoms.

Read More thumbnail image: Cleaning up Asthma link

Retro X-ray: Big data boost

Date: May 15, 2015

Author: David Bradley

Inspired by a 1970s method, Stanford scientists have found a way to go back and improve X-ray results.

Read More thumbnail image: Retro X-ray Big data boost

Journal Highlight: X-ray spectrometry and imaging for ancient administrative handwritten documents

Date: May 11, 2015

Author: spectroscopyNOW

X-ray fluorescence was used to study the inks of four Italian handwritten documents from the 15-17th century as part of the "Venice Time Machine" program which is transforming archival Venetian records into an open-access digital information bank.

Read More thumbnail image: Journal Highlight X-ray spectrometry and imaging for ancient administrative handwritten documents

Journal Highlight: The inversion of aragonite to calcite during the sampling of skeletal archives: Implications for proxy interpretation

Date: May 11, 2015

Author: spectroscopyNOW

The stable isotope variability associated with sample milling from aragonitic organisms commonly used for paleoclimate studies has been examined.

Read More thumbnail image: Journal Highlight The inversion of aragonite to calcite during the sampling of skeletal archives Implications for proxy interpretation

Journal Highlight: Real-time fluorescence imaging of the DNA damage repair response during mitosis

Date: May 11, 2015

Author: spectroscopyNOW

The response to DNA damage during mitosis was visualized using real-time fluorescence imaging of focus formation by the DNA-damage repair response protein 53BP1 linked to green fluorescent protein in the MiaPaCa-2Tet-On pancreatic cancer cell line.

Read More thumbnail image: Journal Highlight Real-time fluorescence imaging of the DNA damage repair response during mitosis
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