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Besides the qualitative analysis of a bio-molecule or even a whole proteome, their quantitative determination is also a topic of growing interest, since only the quantity of proteins or changes in their abundance really reflects the status and changes of a biological system. Various approaches...
Three different coatings/layers have been found in a feasibility study as potential candidates for certified reference materials for the determination of hydrogen concentration by GD-OES: (i) electroplated zinc, (ii) carbon-rich coatings and (iii) amorphous silicon layers.
Advances in the development of highly multiplexed bio-analytical assays with inductively coupled plasma mass spectrometry (ICP-MS) detection are discussed. Use of novel reagents specifically designed for immunological methods utilizing elemental analysis is presented. The major steps of method...
Elemental fractionation in femtosecond laser ablation is studied by ICP-MS by applying successive single laser shots to binary metallic and semiconductor samples as well as to multi-component glasses. Fractionation can be observed in the first laser shots in particular if the laser fluence is...
The use of a so-called T-shaped cross-flow nebulizer (T-CFN), which is a modified cross-flow nebulizer with an additional solution introduction channel, has been described for elemental determinations in organic solutions by inductively coupled plasma-optical emission spectrometry using aqueous...
This paper demonstrates for the first time that enzymatic hydrolysis of protein-bound selenium can be significantly accelerated by microwave energy. Extraction of selenomethionine from selenised yeast, used as the model sample, was performed using two-step enzymatic hydrolysis with...
A miniaturized atomic fluorescence spectrometer (AFS) incorporating a dielectric barrier discharge (DBD) atomizer was developed in a lab-on-valve (LOV) configuration. The entire system integrates hydride generation, gas–liquid separation, in-situ atomization and fluorescence detection. The...
Titanium dioxide is added to polyamide since it efficiently scatters visible light and imparts whiteness, brightness and high opacity. TiO 2 , however, can degrade easily and to counteract this, it is coated with a layer of inorganic material, containing Al, Mn and Si. For quality control, it is...
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