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High-field NMR spectroscopy and FTICR mass spectrometry: powerful discovery tools for the molecular level characterization of marine dissolved organic matter
High-performance, non-target, high-resolution organic structural spectroscopy was applied to solid phase extracted marine dissolved organic matter (SPE-DOM) isolated from four different depths in the… Expand
Caesium and strontium accumulation in shoots of Arabidopsis thaliana: genetic and physiological aspects
- Ulrike Kanter, A. Hauser, B. Michalke, Stephan Dräxl, A. Schäffner
- Medicine, Biology
- Journal of experimental botany
- 11 July 2010
Due to the physico-chemical similarities of caesium (Cs+) to potassium (K+) on the one hand and strontium (Sr2+) to calcium (Ca2+) on the other hand, both elements can easily be taken up by plants… Expand
Ca, Cd, Cu, Fe, Hg, Mn, Ni, Pb, Se, and Zn contents in baby foods from the EU market: Comparison of assessed infant intakes with the present safety limits for minerals and trace elements
Abstract In this study calcium (Ca), cadmium (Cd), copper (Cu), iron (Fe), mercury (Hg), manganese (Mn), nickel (Ni), lead (Pb), selenium (Se), and zinc (Zn) were determined in most consumed baby… Expand
Study of the copper distribution in contaminated soils of hop fields by single and sequential extraction procedures.
- O. Schramel, B. Michalke, A. Kettrup
- Medicine, Chemistry
- The Science of the total environment
- 18 December 2000
Hop growing in Bavaria requires the use of copper containing fungicides against mildew, which results in an accumulation of copper in the upper soils to concentrations of up to approximately 450 mg… Expand
Speciation analysis of selected metals and determination of their total contents in paired serum and cerebrospinal fluid samples: An approach to investigate the permeability of the human…
Neurodegenerative diseases like Alzheimer's disease and Parkinson's disease are gaining increasing relevance in our aging society. However, the complex multifactorial mechanisms of these diseases are… Expand
Studies on Speciation of Antimony in Soil Contaminated by Industrial Activity
Abstract Antimony is a toxic trace element of growing environmental interest due to its increased anthropogenic input into the environment. Very little is known about the chemical and biological… Expand
Review on metal speciation analysis in cerebrospinal fluid-current methods and results: a review.
The large number of patients suffering from neurodegenerative diseases like Alzheimer's disease and Parkinson's disease motivates many research groups worldwide to investigate pathogenic factors and… Expand
Element speciation definitions, analytical methodology, and some examples.
- B. Michalke
- Chemistry, Medicine
- Ecotoxicology and environmental safety
- 1 September 2003
This paper gives definitions related to element speciation and the reasons for the need for speciation. The problems focused on, involve sampling, sample preparation and storage, as well as changes… Expand
Drosophila miR-277 controls branched-chain amino acid catabolism and affects lifespan
Development, growth and adult survival are coordinated with available metabolic resources, ascertaining that the organism responds appropriately to environmental conditions. MicroRNAs are short… Expand
Oral versus intravenous iron replacement therapy distinctly alters the gut microbiota and metabolome in patients with IBD
Objective Iron deficiency is a common complication in patients with IBD and oral iron therapy is suggested to exacerbate IBD symptoms. We performed an open-labelled clinical trial to compare the… Expand