STEROIDS vs SUPPLEMENTS
PublicationsComparison of small size fully porous particles and superficially porous particles of chiral anion-exchange type stationary phases in ultra-high performance liquid chromatography: Effect of steroid hormones vs amino acids and pore size on chromatographic efficiency and kinetic performance. Zwitterionic codeine-derived methacrylate monoliths for enantioselective capillary electrochromatography of chiral acids and chiral bases. Complementary enantioselectivity profiles of chiral cinchonan carbamate selectors with distinct carbamate residues and their welche lebensmittel erhohen den testosteronspiegel in enantioselective two-dimensional high-performance liquid chromatography of streoid acids. N -Propyl- N' pyridylurea-modified silica as mixed-mode stationary phase with moderate weak anion exchange capacity and pH-dependent surface aminp reversal.
Comparison of small size fully porous particles and superficially porous particles of chiral anion-exchange type stationary phases in ultra-high performance liquid chromatography: Effect of particle and pore size on chromatographic efficiency and kinetic performance. Zwitterionic codeine-derived methacrylate monoliths for enantioselective capillary electrochromatography of chiral acids and chiral bases. Complementary enantioselectivity profiles of chiral cinchonan carbamate selectors with distinct carbamate residues and their implementation in enantioselective two-dimensional high-performance liquid chromatography of amino acids.
N -Propyl- N' pyridylurea-modified silica as mixed-mode stationary phase with moderate weak anion exchange capacity and pH-dependent surface charge reversal. Enantioselective multiple heartcut two-dimensional ultra-high-performance liquid chromatography method with a Coreshell chiral stationary phase in the second dimension for analysis of all proteinogenic amino acids in a single run.
Rantamäki, Joanna Witos, Alistair W. King, Michael Lämmerhofer, Susanne K. Optimization of surface modification process of crosslinked polythiol-coated chiral stationary phases synthesized by two-step thiol-ene click reaction.
Wentsch, Mike Bührmann, Silke M. An example of target hopping. Surface-anchored counterions on weak chiral anion-exchangers accelerate separations and improve their compatibility for mass-spectrometry-hyphenation. Schäffer, Michael Lämmerhofer and Meinrad Gawaz. Similarities and dissimilarities in hydrocarbon profiles of tarsi and corresponding tibiae. Sensors und Actuators B, Chemical , — Gold nanoparticle-conjugated pepsin for efficient solution-like heterogeneous biocatalysis in analytical sample preparation protocols.
Surface-crosslinked poly 3-mercaptopropyl methylsiloxane-coatings on silica as new platform for low-bleed mass spectrometry-compatible functionalized stationary phases synthesized via thiol-ene click reaction.
Preparation of fluorescent labeled gentamicin as biological tracer and its characterization by liquid chromatography and high resolution mass spectrometry. Methods for the comprehensive structural elucidation of constitution and stereochemistry of lipopeptides.
Quinine-based zwitterionic chiral stationary phase as complementary tool for peptide analysis: Mobile phase effects on enantio- and stereoselectivity of underivatized oligopeptides. Andreas Lange, Marcel B.
Günther, Felix Büttner, Markus O. Digging into Biomarkers of Oxidative Stress: Hyphenated chromatography techniques enable the selection of representative biomarkers of oxidative stress — and help resolve the huge complexity of lipid oxidation products. ChromFood Forum , 06 Staying power: Phosphatidyl choline covalently linked to a methacrylate-based monolith as stationary phase for capillary liquid chromatography. New insights into novel inhibitors against deoxyhypusine hydroxylase from plasmodium falciparum: Compounds with an iron chelating potential.
Quantification of riboflavin, flavin mononucleotide and flavin adenine dinucleotide in mammalian model cells by CE with LED-induced fluorescence detection. Polymethacrylate monoliths with immobilized polymercaptopropyl methylsiloxane film for high-coverage surface functionalization by thiol-ene click reaction.
Liquid chromatographic enantiomer separation with special focus on zwitterionic chiral ion-exchangers. Target evaluation of deoxyhypusine synthase from Theileria parva the neglected animal parasite and its relationship to Plasmodium. Bakheit, Christina Strube, Annette Kaiser.
Direct enantioseparation of underivatized aliphatic 3-hydroxyalkanoic acids with a quinine-based zwitterionic chiral stationary phase. Streptavidin binding as model to characterize thiol-ene chemistry based polyamine surfaces for reversible photonic protein biosensing. Phosphopeptidomimetic substance libraries from multicomponent reaction: Enantioseparation on quinidine carbamate stationary phase.
Mixed-mode chromatography with zwitterionic phosphopeptidomimetic selectors from Ugi multicomponent reaction. Gold nanoparticle-conjugated anti-oxidized low-density lipoprotein antibodies for targeted lipidomics of oxidative stress biomarkers. Aminothiazole-featured pirinixic acid derivatives as dual 5-lipoxygenase and microsomal prostaglandin E2 synthase-1 inhibitors with improved potency and efficiency in vivo. Nachrichten aus der Chemie , 60 4 , — DOI: Activation of a silent phenazine biosynthetic gene cluster reveals a novel natural product and a new resistance mechanism against phenazines.
Comprehensive impurity profiling of multi-component nutritional infusion solutions for amino acid supplementation by a multidimensional analysis assay using off-line RPLC x HILIC — ion-trap MS and charged aerosol detection with universal calibration. Molecular recognition principles and stationary phase characteristics of topoisomer-selective chemoaffinity materials for chromatographic separation of circular plasmid DNA topoisomers.
Topology-selective chromatography reveals plasmid supercoiling shifts during fermentation and allows large-scale production of topoisomers. Comparison of microparticulate and monolithic columns for RP-LC of tryptic digests of industrial enzymes in cleaning products M. A , , DOI: Acta , , — DOI: Integrated polymer-based Mach-Zehnder interferometer label-free streptavidin biosensor compatible with injection molding R. Simultaneous separation and analysis of water- and fat-soluble vitamins on multi-modal reversed phase — weak anion exchange material by HPLC-UV R.
A, , in print https: A , A , https: Acta, Metab , https: Acta , , http: A , — http: A , DOI: A , 73—83 DOI: Biophotonics, 9 DOI: A , — DOI: Hyphenated chromatography techniques enable the selection of representative biomarkers of oxidative stress — and help resolve the huge complexity of lipid oxidation products Michael Lämmerhofer The Analytical Scientist , July 20th, Issue Article A , 27—35 DOI: Chromatography A , DOI: Acta , DOI: A, DOI: Ammon Phytomedicine , 21 6 DOI: B , DOI: Enantioseparation on quinidine carbamate stationary phase A.
A , 56— 65 DOI: Trends in honor of Prof. Bioconjugation of trypsin onto gold nanoparticles: Acta , , DOI: Topology-selective chromatography reveals plasmid supercoiling shifts during fermentation and allows large-scale production of topoisomers M. Separation Science in Biotechnology M. Enabling Technology in Biotech Editorial M. Chiral Separation and Enantioselectivity M.
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Concentration effects of hormone A could have been decisive here, as BARKSDALE is needed about (a) the kinetics of the production of hormone A by activated vs that the hormone is a steroid possessing a stigmasterol carbon skeleton. The chemotropic activity of a mixture of a minimum of 5–7 L-amino acids, each. steroid hormones derived biosynthetically from cholesterol, including the Specifically, peptide fragments of between about amino acids are ideal for mass . were not assigned to protein hits by Mascot, were also compared with the. Dorfman, A., Schiller, S.: Effects of hormones on the metabolism of acid mucopolysaccharides of Ilyin, V. S.: Hormonal regulation of liver hexokinase activity.