Search Results - "Heim, Karsten"

Extracellular Polymeric Substances Govern the Surface Charge of Biogenic Elemental Selenium Nanoparticles by Jain, Rohan, Jordan, Norbert, Weiss, Stephan, Foerstendorf, Harald, Heim, Karsten, Kacker, Rohit, Hübner, René, Kramer, Herman, van Hullebusch, Eric D, Farges, François, Lens, Piet N. L

“…The origin of the organic layer covering colloidal biogenic elemental selenium nanoparticles (BioSeNPs) is not known, particularly in the case when they are…”
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Eu3+-Mediated Polymerization of Benzenetetracarboxylic Acid Studied by Spectroscopy, Temperature-Dependent Calorimetry, and Density Functional Theory by Barkleit, Astrid, Tsushima, Satoru, Savchuk, Olesya, Philipp, Jenny, Heim, Karsten, Acker, Margret, Taut, Steffen, Fahmy, Karim

“…Thermodynamic parameters for the complexation of Eu3+ with pyromellitic acid (1,2,4,5-benzenetetracarboxylic acid, BTC) as a model system for polymerizable…”
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Analysis of technetium immobilization and its molecular retention mechanisms by Fe(II)-Al(III)-Cl layered double hydroxide by Mayordomo, Natalia, Rodríguez, Diana M., Rossberg, André, Foerstendorf, Harald, Heim, Karsten, Brendler, Vinzenz, Müller, Katharina

“…[Display omitted] •Fe(II)-Al(III)-Cl LDH removes > 90% of aqueous Tc at pH > 6.•Tc retention is primarily due to Tc(VII) reduction to Tc(IV).•Tc(IV) forms…”
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Unraveling the Np(V) sorption on ZrO2: A batch, spectroscopic and modeling combined approach by Jessat, Isabelle, Foerstendorf, Harald, Rossberg, André, Scheinost, Andreas C., Lützenkirchen, Johannes, Heim, Karsten, Stumpf, Thorsten, Jordan, Norbert

“…The interactions of the long-lived actinide neptunium with the corrosion product zirconia (ZrO2) have to be considered in the safety assessment of a repository…”
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Selenium(IV) Sorption Onto γ‑Al2O3: A Consistent Description of the Surface Speciation by Spectroscopy and Thermodynamic Modeling by Mayordomo, Natalia, Foerstendorf, Harald, Lützenkirchen, Johannes, Heim, Karsten, Weiss, Stephan, Alonso, Ursula, Missana, Tiziana, Schmeide, Katja, Jordan, Norbert

“…The sorption processes of Se­(IV) onto γ-Al2O3 were studied by in situ Infrared spectroscopy, batch sorption studies, zeta potential measurements and surface…”
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Curium(III) citrate speciation in biological systems: a europium(III) assisted spectroscopic and quantum chemical study by Heller, Anne, Barkleit, Astrid, Foerstendorf, Harald, Tsushima, Satoru, Heim, Karsten, Bernhard, Gert

“…Citrate complexes are the dominant binding form of trivalent actinides and lanthanides in human urine at pH < 6. Hence, an accurate prediction of the…”
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Complexation of Np(V) with the Dicarboxylates, Malonate, and Succinate: Complex Stoichiometry, Thermodynamic Data, and Structural Information by Maiwald, Martin M, Müller, Katharina, Heim, Karsten, Rothe, Jörg, Dardenne, Kathy, Rossberg, André, Koke, Carsten, Trumm, Michael, Skerencak-Frech, Andrej, Panak, Petra J

“…The complexation of Np­(V) with malonate and succinate is studied by different spectroscopic techniques, namely, attenuated total reflection Fourier transform…”
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The complexation of uranium(VI) and atmospherically derived CO2 at the ferrihydrite–water interface probed by time-resolved vibrational spectroscopy by Foerstendorf, Harald, Heim, Karsten, Rossberg, André

“…[Display omitted] ► Formation of ternary surface complexes probed by online monitoring. ► Surface speciation of U(VI) on ferrihydrite at liquid–solid…”
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The Sorption Processes of U(VI) onto SiO2 in the Presence of Phosphate: from Binary Surface Species to Precipitation by Comarmond, M. Josick, Steudtner, Robin, Stockmann, Madlen, Heim, Karsten, Müller, Katharina, Brendler, Vinzenz, Payne, Timothy E, Foerstendorf, Harald

“…The ternary system containing aqueous U­(VI), aqueous phosphate and solid SiO2 was comprehensively investigated using a batch sorption technique, in situ…”
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Selenium(IV) Sorption Onto γ-Al^sub 2^O^sub 3^: A Consistent Description of the Surface Speciation by Spectroscopy and Thermodynamic Modeling by Mayordomo, Natalia, Foerstendorf, Harald, Lützenkirchen, Johannes, Heim, Karsten, Weiss, Stephan, Alonso, Ursula, Missana, Tiziana, Schmeide, Katja, Jordan, Norbert

“…The sorption processes of Se(IV) onto γ-Al2O3 were studied by in situ Infrared spectroscopy, batch sorption studies, zeta potential measurements and surface…”
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Selenium(IV) Sorption Onto γ-Al 2 O 3 : A Consistent Description of the Surface Speciation by Spectroscopy and Thermodynamic Modeling by Mayordomo, Natalia, Foerstendorf, Harald, Lützenkirchen, Johannes, Heim, Karsten, Weiss, Stephan, Alonso, Ursula, Missana, Tiziana, Schmeide, Katja, Jordan, Norbert

“…The sorption processes of Se(IV) onto γ-Al O were studied by in situ Infrared spectroscopy, batch sorption studies, zeta potential measurements and surface…”
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The complexation of uranium(VI) and atmospherically derived CO2 at the ferrihydriteawater interface probed by time-resolved vibrational spectroscopy by Foerstendorf, Harald, Heim, Karsten, Rossberg, Andre

“…The sorption reactions of uranium(VI) at the ferrihydrite(Fh)awater interface were investigated in the absence and presence of atmospherically derived CO2 by…”
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The Sorption Processes of U(VI) onto SiO sub( 2) in the Presence of Phosphate: from Binary Surface Species to Precipitation by Comarmond, M Josick, Steudtner, Robin, Stockmann, Madlen, Heim, Karsten, Mueller, Katharina, Brendler, Vinzenz, Payne, Timothy E, Foerstendorf, Harald

“…The ternary system containing aqueous U(VI), aqueous phosphate and solid SiO2 was comprehensively investigated using a batch sorption technique, in situ…”
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The Sorption Processes of U(VI) onto SiO^sub 2^ in the Presence of Phosphate: from Binary Surface Species to Precipitation by Comarmond, M Josick, Steudtner, Robin, Stockmann, Madlen, Heim, Karsten, Müller, Katharina, Brendler, Vinzenz, Payne, Timothy E, Foerstendorf, Harald

“…The ternary system containing aqueous U(VI), aqueous phosphate and solid SiO2 was comprehensively investigated using a batch sorption technique, in situ…”
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The Sorption Processes of U(VI) onto SiO 2 in the Presence of Phosphate: from Binary Surface Species to Precipitation by Comarmond, M Josick, Steudtner, Robin, Stockmann, Madlen, Heim, Karsten, Müller, Katharina, Brendler, Vinzenz, Payne, Timothy E, Foerstendorf, Harald

“…The ternary system containing aqueous U(VI), aqueous phosphate and solid SiO was comprehensively investigated using a batch sorption technique, in situ…”
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Eu(3+)-mediated polymerization of benzenetetracarboxylic acid studied by spectroscopy, temperature-dependent calorimetry, and density functional theory by Barkleit, Astrid, Tsushima, Satoru, Savchuk, Olesya, Philipp, Jenny, Heim, Karsten, Acker, Margret, Taut, Steffen, Fahmy, Karim

“…Thermodynamic parameters for the complexation of Eu(3+) with pyromellitic acid (1,2,4,5-benzenetetracarboxylic acid, BTC) as a model system for polymerizable…”
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Complex Formation of Uranium(VI) with L-Phenylalanine and 3-Phenylpropionic Acid Studied by Attenuated Total Reflection Fourier Transform Infrared Spectroscopy by Barkleit, Astrid, Foerstendorf, Harald, Heim, Karsten, Sachs, Susanne, Bernhard, Gert

“…Uranyl complexes with phenylalanine and the analogous ligand phenylpropionate were investigated in aqueous solution by attenuated total reflection (ATR)…”
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Eu 3+ -Mediated Polymerization of Benzenetetracarboxylic Acid Studied by Spectroscopy, Temperature-Dependent Calorimetry, and Density Functional Theory by Barkleit, Astrid, Tsushima, Satoru, Savchuk, Olesya, Philipp, Jenny, Heim, Karsten, Acker, Margret, Taut, Steffen, Fahmy, Karim

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Identification of actinide molecule complexes: A new vibrational spectroscopic approach at the free-electron laser facility FELBE by Foerstendorf, Harald, Seidel, Wolfgang, Heim, Karsten, Bernhard, Gert

“…Photothermal beam deflection (PTBD) spectroscopy using a free-electron laser (FEL) as a coherent pulsed pump source was applied for recording infrared spectra…”
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