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Snap happy: Digital camera to oust atomic spectrometer?

Date: Aug 15, 2011

Author: David Bradley

Researchers in Spain are hoping that a standard digital camera is the perfect alternative to expensive and sophisticated laboratory instrumentation for some analytical applications. They have demonstrated how it can be used to determined potassium and magnesium concentrations and water hardness and validated the results against conventional AAS measurements.

Read More thumbnail image: Snap happy Digital camera to oust atomic spectrometer

Journal Highlight: A novel alkali metals/strontium co-substituted calcium polyphosphate scaffolds in bone tissue engineering

Date: Aug 1, 2011

Author:

Potassium or sodium/strontium co-substituted calcium polyphosphate has been developed for use as a bone repairing scaffold in the orthopedic field, giving higher cell proliferation rates and good compress resistant strength.

Read More thumbnail image: Journal Highlight A novel alkali metalsstrontium co-substituted calcium polyphosphate scaffolds in bone tissue engineering

Down to earth: Nanotechnology turns the worm

Date: Jul 15, 2011

Author: David Bradley

Inductively coupled plasma atomic emission spectroscopy (ICP-AES) has been used in the testing of uptake and toxicity of titania nanoparticles in earthworms as a marker of potential ecological harm.

Read More thumbnail image: Down to earth Nanotechnology turns the worm

Journal Highlight: Co and Cr accumulation in hair after metal-on-metal hip resurfacing arthroplasty

Date: Jul 4, 2011

Author:

Co and Cr levels in scalp hair have been measured by inductively coupled plasma-mass spectrometry as indicators for metal levels in the body after hip resurfacing arthroplasty (HRA). Both metals were greatly increased after metal-on-metal HRA.

Read More thumbnail image: Journal Highlight Co and Cr accumulation in hair after metal-on-metal hip resurfacing arthroplasty

Brazilian lead: Pewterware reveals illegal heavy metal

Date: Jun 15, 2011

Author: David Bradley

It is illegal to use lead as an additive in the manufacture of pewter kitchenware, tableware, drinking cups. However, work in Brazil using atomic absorption spectroscopy not only provides a benchmark for standardizing tests for lead, cadmium and other toxic metals, but reveals that some manufacturers are flouting the law.

Read More thumbnail image: Brazilian lead Pewterware reveals illegal heavy metal

Journal Highlight: Analytical methods for heavy metals in herbal medicines

Date: Jun 6, 2011

Author:

In this review, analytical methods for analysis of heavy metals in herbal medicines are discussed, including atomic absorption spectrometry, inductively coupled plasma optical emission spectrometry or mass spectrometry, X-ray fluorescence spectrometry, high-performance liquid chromatography, differential pulse polarography, neutron activation analysis and anodic stripping voltammetry.

Read More thumbnail image: Journal Highlight Analytical methods for heavy metals in herbal medicines

Pharmaceutical toxicity: AAS and other techniques measure pharma heavy metal

Date: May 15, 2011

Author: David Bradley

Metals and metalloid impurities are an increasing focus for pharmaceutical regulators anticipating high standards of QC/QA for pharmaceuticals. A review by a team at Bristol-Myers Squibb assesses the various techniques available to the industry. The report offers insights into how these various applications can be used and ultimately how they might address concerns about metal toxicity in raw materials, intermediates, active pharmaceutical ingredients and final drug products.

Read More thumbnail image: Pharmaceutical toxicity AAS and other techniques measure pharma heavy metal

Journal Highlight: Sputum zinc concentration and clinical outcome in older asthmatics

Date: May 2, 2011

Author:

Labile and total zinc were measured in sputum and plasma of subjects with or without asthma and correlated with symptoms, asthma severity, lung function and airway hyper-responsiveness.

Read More thumbnail image: Journal Highlight Sputum zinc concentration and clinical outcome in older asthmatics

Explosive fingerprints: spectroscopy IDs TNT in dabs

Date: Apr 15, 2011

Author: David Bradley

Optical catapulting-laser-induced breakdown spectroscopy has been used to successfully detect residues of common explosives in human fingerprints, according to researchers from Egypt and Spain.

Read More thumbnail image: Explosive fingerprints spectroscopy IDs TNT in dabs

Journal Highlight: Traceability along the production chain of Italian tomato products on the basis of stable isotopes and mineral composition

Date: Apr 4, 2011

Author:

The variability of stable isotope ratios and mineral composition in tomato and derivatives was determined along the production chain (juice, passata and paste) in order to evaluate the possibility of tracing their geographical origin.

Read More thumbnail image: Journal Highlight Traceability along the production chain of Italian tomato products on the basis of stable isotopes and mineral composition
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