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Sounding out engine efficiency: Ultrasound scan

Date: Dec 15, 2012

Author:

Atomic absorption spectroscopy might be used to analyse the metallic content of engine residues but researchers in the UK have now turned to ultrasound to scan engine components with a view to facilitating the design of new components that are more efficient and generate lower carbon emissions.

Read More thumbnail image: Sounding out engine efficiency Ultrasound scan

Journal Highlight: On the embalmment of S. Francesco Caracciolo

Date: Dec 3, 2012

Author: spectroscopyNOW

Four samples of the remains of S. Caracciolo have been analysed for traces of embalmment using cold vapour atomic absorption spectroscopy, which revealed low background levels of As and high levels of Hg.

Read More thumbnail image: Journal Highlight On the embalmment of S_ Francesco Caracciolo

Lead and IQ: Toxic effects and tau protein

Date: Nov 15, 2012

Author:

An atomic absorption spectroscopy (AAS) study has demonstrated that exposure to the heavy metal lead increases phosphorylation of the tau protein in the brains of laboratory rats. The study offers new insights into the biochemical link between this process, lead exposure and cognitive impairment.

Read More thumbnail image: Lead and IQ Toxic effects and tau protein

Journal Highlight: Quality of hemodialysis water in a resource-poor country: The Nigerian example

Date: Nov 5, 2012

Author: spectroscopyNOW

The quality of hemodialysis water in Lagos, Nigeria, was assessed by several methods including atomic absorption spectrometry, flame photometry, molecular photoluminescence and turbidimetry.

Read More thumbnail image: Journal Highlight Quality of hemodialysis water in a resource-poor country The Nigerian example

Shape-shifting microbes: Optically trapped

Date: Oct 15, 2012

Author: David Bradley

Researchers in Germany have developed an optical trap for bacteria. The system allows them to grab hold of the microbes and scan them with a laser.

Read More thumbnail image: Shape-shifting microbes Optically trapped

Journal Highlight: Analysis of Late Bronze Age glass axes from Nippur - a new cobalt colourant

Date: Oct 1, 2012

Author: spectroscopyNOW

A multidisciplinary study of a unique group of Late Bronze Age ceremonial glass axe heads and other artefacts shows that these are the first significant group of glasses coloured with cobalt to be identified from the Near East.

Read More thumbnail image: Journal Highlight Analysis of Late Bronze Age glass axes from Nippur - a new cobalt colourant

FAAS food: Flavour enhancement

Date: Sep 15, 2012

Author: David Bradley

A silica gel substrate modified with thiourea has enabled preconcentration of cadmium, copper and lead in food samples, according to research published in the Journal of Food Science.

Read More thumbnail image: FAAS food Flavour enhancement

Journal Highlight: Differential distribution of cobalt, chromium, and nickel between whole blood, plasma and urine in patients after metal-on-metal (MoM) hip arthroplasty

Date: Sep 3, 2012

Author: spectroscopyNOW

Cobalt, chromium and nickel were measured in the blood, plasma and urine of hip replacements patients by ICPMS to help understand the reasons for poor device outcome.

Read More thumbnail image: Journal Highlight Differential distribution of cobalt chromium and nickel between whole blood plasma and urine in patients after metal-on-metal MoM hip arthroplasty

Heavy metal in pregnancy: Health risks

Date: Aug 15, 2012

Author: David Bradley

Atomic absorption spectroscopy has been used to measure levels of metals in blood plasma from expectant mothers as a proxy for oxidative stress. Increased levels of iron in pregnancy reveals an association with high blood pressure conditions including hypertension and pre-eclampsia, although causation is not demonstrated.

Read More thumbnail image: Heavy metal in pregnancy Health risks

Journal Highlight: Metals in organic and conventional wheat flours determined by an optimised and validated ICP-MS method

Date: Aug 6, 2012

Author: spectroscopyNOW

A simple ICP-MS method was devised for multi-element determination in cereal products and to evaluate multi-element content differences in commercially available conventional vs. organic wheat flours.

Read More thumbnail image: Journal Highlight Metals in organic and conventional wheat flours determined by an optimised and validated ICP-MS method
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