Works matching AU Ludwig, Ralf

Results: 461

Estimating the Odds of Ulcerative Colitis-Associated Pyoderma Gangrenosum: A Population-Based Case-Control Study.

Published in:

2021

By:

Kridin, Khalaf;
Damiani, Giovanni;
Ludwig, Ralf J.;
Tzur Bitan, Dana;
Cohen, Arnon D.;
Ludwig, Ralf J;
Tzur Bitan, Dana;
Cohen, Arnon D

Publication type:

journal article

Cover Feature: Dissecting Noncovalent Interactions in Carboxyl‐Functionalized Ionic Liquids Exhibiting Double and Single Hydrogens Bonds Between Ions of Like Charge (Chem. Eur. J. 46/2022).

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 46, p. 1, doi. 10.1002/chem.202202261

By:

Hunger, Lasse;
Al‐Sheakh, Loai;
Zaitsau, Dzmitry H.;
Verevkin, Sergey P.;
Appelhagen, Andreas;
Villinger, Alexander;
Ludwig, Ralf

Publication type:

Article

Dissecting Noncovalent Interactions in Carboxyl‐Functionalized Ionic Liquids Exhibiting Double and Single Hydrogens Bonds Between Ions of Like Charge.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 46, p. 1, doi. 10.1002/chem.202200949

By:

Hunger, Lasse;
Al‐Sheakh, Loai;
Zaitsau, Dzmitry H.;
Verevkin, Sergey P.;
Appelhagen, Andreas;
Villinger, Alexander;
Ludwig, Ralf

Publication type:

Article

Cover Feature: High‐Temperature Quantum Tunneling and Hydrogen Bonding Rearrangements Characterize the Solid‐Solid Phase Transitions in a Phosphonium‐Based Protic Ionic Liquid (Chem. Eur. J. 23/2022).

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 23, p. 1, doi. 10.1002/chem.202200963

By:

Khudozhitkov, Alexander E.;
Donoshita, Masaki;
Stepanov, Alexander G.;
Philippi, Frederik;
Rauber, Daniel;
Hempelmann, Rolf;
Kitagawa, Hiroshi;
Kolokolov, Daniil I.;
Ludwig, Ralf

Publication type:

Article

High‐Temperature Quantum Tunneling and Hydrogen Bonding Rearrangements Characterize the Solid‐Solid Phase Transitions in a Phosphonium‐Based Protic Ionic Liquid.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 23, p. 1, doi. 10.1002/chem.202200257

By:

Khudozhitkov, Alexander E.;
Donoshita, Masaki;
Stepanov, Alexander G.;
Philippi, Frederik;
Rauber, Daniel;
Hempelmann, Rolf;
Kitagawa, Hiroshi;
Kolokolov, Daniil I.;
Ludwig, Ralf

Publication type:

Article

Metal/Metal Redox Isomerism Governed by Configuration.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 70, p. 16811, doi. 10.1002/chem.202003120

By:

Ludwig, Stephan;
Helmdach, Kai;
Hüttenschmidt, Mareike;
Oberem, Elisabeth;
Rabeah, Jabor;
Villinger, Alexander;
Ludwig, Ralf;
Seidel, Wolfram W.

Publication type:

Article

Facile Synthesis of a Stable Side‐on Phosphinyne Complex by Redox Driven Intramolecular Cyclisation.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 50, p. 11492, doi. 10.1002/chem.201905750

By:

Lange, Helge;
Schröder, Henning;
Oberem, Elisabeth;
Villinger, Alexander;
Rabeah, Jabor;
Ludwig, Ralf;
Neymeyr, Klaus;
Seidel, Wolfram W.

Publication type:

Article

Dispersion und Wasserstoffbrücken bestimmend - Warum die Verdampfungsenthalpien von aprotischen größer als die von protischen ionischen Flüssigkeiten sind.

Published in:

Angewandte Chemie, 2016, v. 128, n. 38, p. 11856, doi. 10.1002/ange.201605633

By:

Zaitsau, Dzmitry H.;
Emel'yanenko, Vladimir N.;
Stange, Peter;
Schick, Christoph;
Verevkin, Sergey P.;
Ludwig, Ralf

Publication type:

Article

Steuerung der subtilen Energiebalance in protischen ionischen Flüssigkeiten: Dispersionskräfte im Wettstreit mit Wasserstoffbrücken.

Published in:

Angewandte Chemie, 2015, v. 127, n. 9, p. 2834, doi. 10.1002/ange.201411509

By:

Fumino, Koichi;
Fossog, Verlaine;
Stange, Peter;
Paschek, Dietmar;
Hempelmann, Rolf;
Ludwig, Ralf

Publication type:

Article

Innentitelbild: Steuerung der subtilen Energiebalance in protischen ionischen Flüssigkeiten: Dispersionskräfte im Wettstreit mit Wasserstoffbrücken (Angew. Chem. 9/2015).

Published in:

Angewandte Chemie, 2015, v. 127, n. 9, p. 2594, doi. 10.1002/ange.201500551

By:

Fumino, Koichi;
Fossog, Verlaine;
Stange, Peter;
Paschek, Dietmar;
Hempelmann, Rolf;
Ludwig, Ralf

Publication type:

Article

Angriff auf das 'Niemandsland' des Wassers: Zwei Flüssigkeiten?

Published in:

Angewandte Chemie, 2014, v. 126, n. 44, p. 11888, doi. 10.1002/ange.201408057

By:

Paschek, Dietmar;
Ludwig, Ralf

Publication type:

Article

Gleichgewicht zwischen Kontakt- und solvensseparierten Ionenpaaren in Mischungen von protischen ionischen Flüssigkeiten und molekularen Lösungsmitteln durch Polarität kontrolliert.

Published in:

Angewandte Chemie, 2013, v. 125, n. 47, p. 12667, doi. 10.1002/ange.201303944

By:

Fumino, Koichi;
Stange, Peter;
Fossog, Verlaine;
Hempelmann, Rolf;
Ludwig, Ralf

Publication type:

Article

Ionenspezies in Mischungen aus protischen ionischen Flüssigkeiten und Wasser: Übergang von Kontakt- zu solvensseparierten Ionenpaaren.

Published in:

Angewandte Chemie, 2013, v. 125, n. 10, p. 3064, doi. 10.1002/ange.201209609

By:

Stange, Peter;
Fumino, Koichi;
Ludwig, Ralf

Publication type:

Article

Energetik der Anion-Kation-Wechselwirkung in protischen ionischen Flüssigkeiten.

Published in:

Angewandte Chemie, 2013, v. 125, n. 8, p. 2425, doi. 10.1002/ange.201207065

By:

Fumino, Koichi;
Fossog, Verlaine;
Wittler, Kai;
Hempelmann, Rolf;
Ludwig, Ralf

Publication type:

Article

Niederfrequente Schwingungsmoden protischer geschmolzener Salze und ionischer Flüssigkeiten: Nachweis und Quantifizierung von Wasserstoffbrücken.

Published in:

Angewandte Chemie, 2012, v. 124, n. 25, p. 6340, doi. 10.1002/ange.201200508

By:

Fumino, Koichi;
Reichert, Elena;
Wittler, Kai;
Hempelmann, Rolf;
Ludwig, Ralf

Publication type:

Article

Einblicke in den Mechanismus der photokatalytischen Wasserreduktion durch DFT-gestützte In-situ-EPR/Raman-Spektroskopie.

Published in:

Angewandte Chemie, 2011, v. 123, n. 43, p. 10429, doi. 10.1002/ange.201103710

By:

Hollmann, Dirk;
Gärtner, Felix;
Ludwig, Ralf;
Barsch, Enrico;
Junge, Henrik;
Blug, Matthias;
Hoch, Sascha;
Beller, Matthias;
Brückner, Angelika

Publication type:

Article

Rücktitelbild: Einblicke in den Mechanismus der photokatalytischen Wasserreduktion durch DFT-gestützte In-situ-EPR/Raman-Spektroskopie (Angew. Chem. 43/2011).

Published in:

Angewandte Chemie, 2011, v. 123, n. 43, p. 10438, doi. 10.1002/ange.201106051

By:

Hollmann, Dirk;
Gärtner, Felix;
Ludwig, Ralf;
Barsch, Enrico;
Junge, Henrik;
Blug, Matthias;
Hoch, Sascha;
Beller, Matthias;
Brückner, Angelika

Publication type:

Article

Der Einfluss von Wasserstoffbrückendefekten auf die Eigenschaften ionischer Flüssigkeiten.

Published in:

Angewandte Chemie, 2011, v. 123, n. 29, p. 6791, doi. 10.1002/ange.201100199

By:

Peppel, Tim;
Roth, Christian;
Fumino, Koichi;
Paschek, Dietmar;
Köckerling, Martin;
Ludwig, Ralf

Publication type:

Article

Ionenabhängige Struktur und Dynamik von Wassermolekülen jenseits der ersten Hydrathülle.

Published in:

Angewandte Chemie, 2011, v. 123, n. 2, p. 368, doi. 10.1002/ange.201004501

By:

Paschek, Dietmar;
Ludwig, Ralf

Publication type:

Article

A History of Asthma Increases the Risk of Bullous Pemphigoid: Insights from a Large Population-Based Study.

Published in:

Dermatology (10188665), 2021, v. 237, n. 6, p. 921, doi. 10.1159/000512917

By:

Kridin, Khalaf;
Ludwig, Ralf J.;
Tzur Bitan, Dana;
Cohen, Arnon D.

Publication type:

Article

Assessment and Management of Water Resources in Developing, Semi-arid and Arid Regions.

Published in:

2012

By:

Buytaert, Wouter;
Friesen, Jan;
Liebe, Jens;
Ludwig, Ralf

Publication type:

Editorial

Cationic clustering influences the phase behaviour of ionic liquids.

Published in:

Scientific Reports, 2018, v. 8, n. 1, p. 1, doi. 10.1038/s41598-018-33176-6

By:

Niemann, Thomas;
Zaitsau, Dimitri;
Strate, Anne;
Villinger, Alexander;
Ludwig, Ralf

Publication type:

Article

Fcγ Receptor IIB Controls Skin Inflammation in an Active Model of Epidermolysis Bullosa Acquisita.

Published in:

Frontiers in Immunology, 2020, v. 10, p. 1, doi. 10.3389/fimmu.2019.03012

By:

Kovacs, Balint;
Tillmann, Jenny;
Freund, Lisa-Christin;
Nimmerjahn, Falk;
Sadik, Christian D.;
Bieber, Katja;
Ludwig, Ralf J.;
Karsten, Christian M.;
Köhl, Jörg

Publication type:

Article

Current Clinical Trials in Pemphigus and Pemphigoid.

Published in:

Frontiers in Immunology, 2019, p. N.PAG, doi. 10.3389/fimmu.2019.00978

By:

Izumi, Kentaro;
Bieber, Katja;
Ludwig, Ralf J.

Publication type:

Article

Proinflammatory Cytokine Gene Polymorphisms in Bullous Pemphigoid.

Published in:

Frontiers in Immunology, 2019, p. N.PAG, doi. 10.3389/fimmu.2019.00636

By:

Tabatabaei-Panah, Pardis-Sadat;
Moravvej, Hamideh;
Sadaf, Zahra;
Babaei, Hadis;
Geranmayeh, Maryam;
Hajmanouchehri, Sedigheh;
Karimi, Ahmad;
Sajjadi, Fatemeh;
Arghand, Fereshteh;
Ludwig, Ralf J.;
Witte, Mareike;
Akbarzadeh, Reza

Publication type:

Article

Atopic dermatitis is associated with an increased risk of cardiovascular diseases: a large-scale, propensity-score matched US-based retrospective study.

Published in:

Clinical & Experimental Dermatology, 2024, v. 49, n. 11, p. 1405, doi. 10.1093/ced/llae164

By:

Zirpel, Henner;
Ständer, Sascha;
Frączek, Alicja;
Olbrich, Henning;
Ludwig, Ralf J;
Thaçi, Diamant

Publication type:

Article

Secondary Phosphane Oxides as Preligands in Rhodium-Catalyzed Hydroformylation.

Published in:

ChemCatChem, 2010, v. 2, n. 10, p. 1278, doi. 10.1002/cctc.201000114

By:

Christiansen, Andrea;
Li, Chuanzhao;
Garland, Marc;
Selent, Detlef;
Ludwig, Ralf;
Franke, Robert;
Börner, Armin

Publication type:

Article

A Comparative In Situ HP-FTIR Spectroscopic Study of Bi- and Monodentate Phosphite-Modified Hydroformylation.

Published in:

ChemCatChem, 2010, v. 2, n. 3, p. 287, doi. 10.1002/cctc.200900292

By:

Kubis, Christoph;
Ludwig, Ralf;
Sawall, Mathias;
Neymeyr, Klaus;
Börner, Armin;
Wiese, Klaus-Diether;
Hess, Dieter;
Franke, Robert;
Selent, Detlef

Publication type:

Article

Inside Cover: A Comparative In Situ HP-FTIR Spectroscopic Study of Bi- and Monodentate Phosphite-Modified Hydroformylation (ChemCatChem 3/2010).

Published in:

ChemCatChem, 2010, v. 2, n. 3, p. 230, doi. 10.1002/cctc.201090010

By:

Kubis, Christoph;
Ludwig, Ralf;
Sawall, Mathias;
Neymeyr, Klaus;
Börner, Armin;
Wiese, Klaus-Diether;
Hess, Dieter;
Franke, Robert;
Selent, Detlef

Publication type:

Article

Comparing internal variabilities in three regional single model initial-condition large ensembles (SMILE) over Europe.

Published in:

Earth System Dynamics Discussions, 2019, p. 1, doi. 10.5194/esd-2019-67

By:

von Trentini, Fabian;
Aalbers, Emma E.;
Fischer, Erich M.;
Ludwig, Ralf

Publication type:

Article

Using a nested single-model large ensemble to assess the internal variability of the North Atlantic Oscillation and its climatic implications for Central Europe.

Published in:

Earth System Dynamics Discussions, 2019, p. 1, doi. 10.5194/esd-2019-58

By:

Böhnisch, Andrea;
Ludwig, Ralf;
Leduc, Martin

Publication type:

Article

Large ensemble climate model simulations: introduction, overview, and future prospects for utilising multiple types of large ensemble.

Published in:

Earth System Dynamics, 2021, v. 12, n. 2, p. 401, doi. 10.5194/esd-12-401-2021

By:

Maher, Nicola;
Milinski, Sebastian;
Ludwig, Ralf

Publication type:

Article

Comparing interannual variability in three regional single-model initial-condition large ensembles (SMILEs) over Europe.

Published in:

Earth System Dynamics, 2020, v. 11, n. 4, p. 1013, doi. 10.5194/esd-11-1013-2020

By:

von Trentini, Fabian;
Aalbers, Emma E.;
Fischer, Erich M.;
Ludwig, Ralf

Publication type:

Article

Using a nested single-model large ensemble to assess the internal variability of the North Atlantic Oscillation and its climatic implications for central Europe.

Published in:

Earth System Dynamics, 2020, v. 11, n. 3, p. 617, doi. 10.5194/esd-11-617-2020

By:

Böhnisch, Andrea;
Ludwig, Ralf;
Leduc, Martin

Publication type:

Article

Site-Selective Sonogashira Reactions of 1,4-Dibromo-2-(trifluoromethyl)benzene: Synthesis and Properties of Fluorinated Alkynylbenzenes.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 36, p. 8115, doi. 10.1002/ejoc.201300607

By:

Reimann, Sebastian;
Wittler, Kai;
Schmode, Stella;
Sharif, Muhammad;
Fahrenwaldt, Thomas;
Ludwig, Ralf;
Spannenberg, Anke;
Langer, Peter

Publication type:

Article

Efficient Synthesis of Arylated Flavones by Site-Selective Suzuki-Miyaura Cross-Coupling Reactions of the Bis(triflate) of 5,7- and 7,8-Dihydroxyflavone.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 8, p. 1639, doi. 10.1002/ejoc.201101491

By:

Eleya, Nadi;
Malik, Imran;
Reimann, Sebastian;
Wittler, Kai;
Hein, Martin;
Patonay, Tamás;
Villinger, Alexander;
Ludwig, Ralf;
Langer, Peter

Publication type:

Article

Site-Selective Sonogashira Reactions of 1,4-Dibromo-2-fluorobenzene - Synthesis and Properties of Fluorinated Alkynylbenzenes.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 3, p. 604, doi. 10.1002/ejoc.201100394

By:

Reimann, Sebastian;
Sharif, Muhammad;
Hein, Martin;
Villinger, Alexander;
Wittler, Kai;
Ludwig, Ralf;
Langer, Peter

Publication type:

Article

1-(Arylalkenyl)pyrenes - Synthetic, Structural, Photophysical, Theoretical, and Electrochemical Investigations.

Published in:

European Journal of Organic Chemistry, 2011, v. 2011, n. 27, p. 5261, doi. 10.1002/ejoc.201100620

By:

Sharif, Muhammad;
Reimann, Sebastian;
Wittler, Kai;
Knöpke, Leif R.;
Surkus, Annette-E.;
Roth, Christian;
Villinger, Alexander;
Ludwig, Ralf;
Langer, Peter

Publication type:

Article

Spectroscopic Evidence for an Enhanced Anion-Cation Interaction from Hydrogen Bonding in Pure Imidazolium Ionic Liquids.

Published in:

Angewandte Chemie International Edition, 2010, v. 49, n. 2, p. 449, doi. 10.1002/anie.200905437

By:

Wulf, Alexander;
Fumino, Koichi;
Ludwig, Ralf

Publication type:

Article

Inside Cover: Spectroscopic Evidence for an Enhanced Anion-Cation Interaction from Hydrogen Bonding in Pure Imidazolium Ionic Liquids (Angew. Chem. Int. Ed. 2/2010).

Published in:

Angewandte Chemie International Edition, 2010, v. 49, n. 2, p. 226, doi. 10.1002/anie.200906554

By:

Wulf, Alexander;
Fumino, Koichi;
Ludwig, Ralf

Publication type:

Article

Hydrogen Bonding in Protic Ionic Liquids: Reminiscent of Water.

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 17, p. 3184, doi. 10.1002/anie.200806224

By:

Fumino, Koichi;
Wulf, Alexander;
Ludwig, Ralf

Publication type:

Article

Strong, Localized, and Directional Hydrogen Bonds Fluidize Ionic Liquids.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 45, p. 8731, doi. 10.1002/anie.200803446

By:

Fumino, Koichi;
Wulf, Alexander;
Ludwig, Ralf

Publication type:

Article

The Cation-Anion Interaction in Ionic Liquids Probed by Far-Infrared Spectroscopy.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 20, p. 3830, doi. 10.1002/anie.200705736

By:

Fumino, Koichi;
Wulf, Alexander;
Ludwig, Ralf

Publication type:

Article

Pressure and Salt Effects in Simulated Water: Two Sides of the Same Coin?

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 46, p. 8907, doi. 10.1002/anie.200702736

By:

Holzmann, Jörg;
Ludwig, Ralf;
Geiger, Alfons;
Paschek, Dietmar

Publication type:

Article

Do We Understand the Volatility of Ionic Liquids?

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 35, p. 6582, doi. 10.1002/anie.200702157

By:

Ludwig, Ralf;
Kragl, Udo

Publication type:

Article

The Potential Distribution Theorem and Models of Molecular Solutions. By Thomas L. Beck, Michael E. Paulaitis and Lawrence R. Pratt.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 29, p. 5470, doi. 10.1002/anie.200685460

By:

Ludwig, Ralf

Publication type:

Article

Hydroxy-Substituted Oligosilane Dendrimers: Controlling the Electronic Properties through Hydrogen Bonding.

Published in:

Angewandte Chemie International Edition, 2006, v. 45, n. 40, p. 6755, doi. 10.1002/anie.200601598

By:

Ulrike Jäger-Fiedler;
Martin Köckerling;
Ralf Ludwig;
Alexander Wulf;
Clemens Krempner

Publication type:

Article

The Association of Water in Ionic Liquids: A Reliable Measure of PolarityThis research was supported by the State of Mecklenburg-Western Pomerania (Hochschulwissenschaftsprogramm) and the German Science Foundation (DFG, FOR 436).

Published in:

Angewandte Chemie International Edition, 2006, v. 45, n. 22, p. 3697

By:

Thorsten Köddermann;
Christiane Wertz;
Andreas Heintz;
Ralf Ludwig

Publication type:

Article

The Puzzling Properties of Supercooled and Glassy WaterThis work was supported by the Deutsche Forschungsgemeinschaft (Forschergruppe 436, Lu506/5-3).

Published in:

Angewandte Chemie International Edition, 2006, v. 45, n. 21, p. 3402, doi. 10.1002/anie.200601053

By:

Ralf Ludwig

Publication type:

Article

Calculation of Clathrate-Like Water Clusters Including H2O-BuckminsterfullereneThis work was supported by the Deutsche Forschungsgemeinschaft (DFG-Forschergruppe 436) and the State of Mecklenburg-Western Pomerania (Hochschulwissenschaftsprogramm). We thank the John von Neumann Institut für Computing, Jülich, for generous computer time.

Published in:

Angewandte Chemie International Edition, 2005, v. 44, n. 5, p. 811, doi. 10.1002/anie.200460899

By:

Ralf Ludwig;
Andreas Appelhagen

Publication type:

Article