Search Results - "Bajnai, Dávid"

A generic gas chromatography method for determination of residual solvents in PET radiopharmaceuticals by Jószai, István, Vékei, Nándor, Bajnai, Dávid, Kertész, István, Trencsényi, György

“…•A single GC method was proposed for analysis of volatile compounds in PET tracers.•Quantitation of solvents could be performed at ethanol concentration of up…”
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New multiproxy record of the Jenkyns Event (also known as the Toarcian Oceanic Anoxic Event) from the Mecsek Mountains (Hungary): Differences, duration and drivers by Müller, Tamás, Price, Gregory D., Bajnai, Dávid, Nyerges, Anita, Kesjár, Dóra, Raucsik, Béla, Varga, Andrea, Judik, Katalin, Fekete, József, May, Zoltán, Pálfy, József, Hesselbo, Stephen

“…The oceanic anoxic event in the Early Toarcian, often referred to as the ‘Torcian Oceanic Anoxic Event’, led to widespread deposition of organic‐rich black…”
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Multi-proxy record of orbital-scale changes in climate and sedimentation during the Weissert Event in the Valanginian Bersek Marl Formation (Gerecse Mts., Hungary) by Bajnai, Dávid, Pálfy, József, Martinez, Mathieu, Price, Gregory D., Nyerges, Anita, Főzy, István

“…The Valanginian positive carbon isotope excursion and associated environmental changes, known as the Weissert Event, is the first in the series of Cretaceous…”
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Combined high-precision ∆48 and ∆47 analysis of carbonates by Fiebig, Jens, Bajnai, David, Löffler, Niklas, Methner, Katharina, Krsnik, Emilija, Mulch, Andreas, Hofmann, Sven

“…High-precision analysis of the excess abundance (relative to the stochastic distribution) of mass 48 isotopologues in CO2 evolved from acid digestion of…”
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A Dual Inlet System for Laser Spectroscopy of Triple Oxygen Isotopes in Carbonate‐Derived and Air CO2 by Bajnai, David, Pack, Andreas, Arduin Rode, Fiorella, Seefeld, Malte, Surma, Jakub, Di Rocco, Tommaso

“…Analyzing the triple oxygen isotope (Δ′17O) composition of carbonates and air CO2 can provide valuable information about Earth system processes. However,…”
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Dual clumped isotope thermometry resolves kinetic biases in carbonate formation temperatures by Bajnai, David, Guo, Weifu, Spötl, Christoph, Coplen, Tyler B., Methner, Katharina, Löffler, Niklas, Krsnik, Emilija, Gischler, Eberhard, Hansen, Maximilian, Henkel, Daniela, Price, Gregory D., Raddatz, Jacek, Scholz, Denis, Fiebig, Jens

“…Surface temperature is a fundamental parameter of Earth’s climate. Its evolution through time is commonly reconstructed using the oxygen isotope and the…”
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Carbonate clumped isotope evidence for latitudinal seawater temperature gradients and the oxygen isotope composition of Early Cretaceous seas by Price, Gregory D., Bajnai, David, Fiebig, Jens

“…In this study, we investigated Early Cretaceous (Valanginian, ca. 135 million years ago) climate from subtropical to boreal palaeolatitudes. Combined carbonate…”
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Triple oxygen isotope systematics of CO2 hydroxylation by Bajnai, David, Cao, Xiaobin, Klipsch, Swea, Pack, Andreas, Herwartz, Daniel

“…Kinetic isotope effects occurring during carbonate precipitation impact the accuracy of paleoclimate records. One rate-limiting process is CO2 absorption,…”
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Kinetic Oxygen Isotope Fractionation between Water and Aqueous OH– during Hydroxylation of CO2 by Bajnai, David, Herwartz, Daniel

“…The fractionation of stable oxygen isotopes between water and aqueous hydroxide ions ( ε 18 H 2 O / OH − ) is an integral parameter in chemical modeling…”
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Kinetic Oxygen Isotope Fractionation between Water and Aqueous OH – during Hydroxylation of CO 2 by Bajnai, David, Herwartz, Daniel

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Clumped isotope record of salinity variations in the Subboreal Province at the Middle–Late Jurassic transition by Wierzbowski, Hubert, Bajnai, David, Wacker, Ulrike, Rogov, Mikhail A., Fiebig, Jens, Tesakova, Ekaterina M.

“…Results of clumped isotope, oxygen isotope and elemental (Mg/Ca, Sr/Ca) analyses of exceptionally well-preserved belemnite rostra and ammonite shells from the…”
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Devils Hole Calcite Was Precipitated at ±1°C Stable Aquifer Temperatures During the Last Half Million Years by Bajnai, David, Coplen, Tyler B., Methner, Katharina, Löffler, Niklas, Krsnik, Emilija, Fiebig, Jens

“…Subaqueous carbonates from the Devils Hole caves (southwestern USA) provide a continuous Holocene to Pleistocene North American paleoclimate record. The…”
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A Dual Inlet System for Laser Spectroscopy of Triple Oxygen Isotopes in Carbonate‐Derived and Air CO 2 by Bajnai, David, Pack, Andreas, Arduin Rode, Fiorella, Seefeld, Malte, Surma, Jakub, Di Rocco, Tommaso

“…Analyzing the triple oxygen isotope (Δ′ 17 O) composition of carbonates and air CO 2 can provide valuable information about Earth system processes. However,…”
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InterCarb: A Community Effort to Improve Interlaboratory Standardization of the Carbonate Clumped Isotope Thermometer Using Carbonate Standards by S. M. Bernasconi, M. Daëron, K. D. Bergmann, M. Bonifacie, A. N. Meckler, H. P. Affek, N. Anderson, D. Bajnai, E. Barkan, E. Beverly, D. Blamart, L. Burgener, D. Calmels, C. Chaduteau, M. Clog, B. Davidheiser‐Kroll, A. Davies, F. Dux, J. Eiler, B. Elliott, A. C. Fetrow, J. Fiebig, S. Goldberg, M. Hermoso, K. W. Huntington, E. Hyland, M. Ingalls, M. Jaggi, C. M. John, A. B. Jost, S. Katz, J. Kelson, T. Kluge, I. J. Kocken, A. Laskar, T. J. Leutert, D. Liang, J. Lucarelli, T. J. Mackey, X. Mangenot, N. Meinicke, S. E. Modestou, I. A. Müller, S. Murray, A. Neary, N. Packard, B. H. Passey, E. Pelletier, S. Petersen, A. Piasecki, A. Schauer, K. E. Snell, P. K. Swart, A. Tripati, D. Upadhyay, T. Vennemann, I. Winkelstern, D. Yarian, N. Yoshida, N. Zhang, M. Ziegler

“…Abstract Increased use and improved methodology of carbonate clumped isotope thermometry has greatly enhanced our ability to interrogate a suite of…”
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Isotopic disequilibrium in brachiopods disentangled with dual clumped isotope thermometry by Davies, A.J., Brand, U., Tagliavento, M., Bitner, M.A., Bajnai, D., Staudigel, P., Bernecker, M., Fiebig, J.

“…The stable oxygen and clumped isotope composition of brachiopod calcite are important proxies for the reconstruction of Phanerozoic seawater temperatures and…”
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Assessing kinetic fractionation in brachiopod calcite using clumped isotopes by Bajnai, David, Fiebig, Jens, Tomašových, Adam, Milner Garcia, Sara, Rollion-Bard, Claire, Raddatz, Jacek, Löffler, Niklas, Primo-Ramos, Cristina, Brand, Uwe

“…Brachiopod shells are the most widely used geological archive for the reconstruction of the temperature and the oxygen isotope composition of Phanerozoic…”
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World-class amethyst-agate geodes from Los Catalanes, Northern Uruguay: genetic implications from fluid inclusions and stable isotopes by Arduin-Rode, Fiorella, Sosa, Graciela, van den Kerkhof, Alfons, Krüger, Yves, Bajnai, David, Pack, Andreas, Di Rocco, Tommaso, Oyhantçabal, Pedro, Wemmer, Klaus, Herwartz, Daniel, Klipsch, Swea, Wiegand, Bettina, Siegesmund, Siegfried, Hueck, Mathias

“…The amethyst and agate geodes from the Los Catalanes Gemmological District in Uruguay represent one of the main deposits of its kind worldwide. The geometry of…”
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