Works matching AU Jockusch, Steffen

Results: 74

A New Strategy to Photoactivate Green Fluorescent Protein.

Published in:

Angewandte Chemie, 2010, v. 122, n. 42, p. 7843, doi. 10.1002/ange.201003797

By:

Groff, Dan;
Wang, Feng;
Jockusch, Steffen;
Turro, Nicholas J.;
Schultz, Peter G.

Publication type:

Article

Tetraarylporphyrin as a Selective Molecular Cap for Non-Watson–Crick Guanine–Adenine Base-Pair SequencesWe thank the National Science Foundation (CHE04-10655, S.J.) and the National Institutes of Health (GM 36564, N.B.) for financial support. We thank Dr. Y. Itakagi for MALDI-TOF measurements. M.B. thanks Dr. S. V. Dzyuba for very creative and helpful discussions.

Published in:

Angewandte Chemie, 2006, v. 118, n. 21, p. 3610, doi. 10.1002/ange.200504431

By:

Milan Balaz;
Benjamin C. Li;
Steffen Jockusch;
George A. Ellestad;
Nina Berova

Publication type:

Article

Superoxidation of Bisretinoids.

Published in:

Angewandte Chemie, 2005, v. 117, n. 43, p. 7259, doi. 10.1002/ange.200501346

By:

Ilyas Washington;
Steffen Jockusch;
Yasuhiro Itagaki;
Nicholas J. Turro;
Koji Nakanishi

Publication type:

Article

Photophysical aspects of 6-methylcoumarin-cucurbit[8]uril host-guest complexes.

Published in:

Canadian Journal of Chemistry, 2011, v. 89, n. 3, p. 310, doi. 10.1139/V10-121

By:

Pemberton, Barry C.;
Kumarasamy, Elango;
Jockusch, Steffen;
Srivastava, D. K.;
Sivaguru, J.

Publication type:

Article

Dynamics of capsuleplex formed between octaacid and organic guest molecules - Photophysical techniques reveal the opening and closing of capsuleplex.

Published in:

Canadian Journal of Chemistry, 2011, v. 89, n. 2, p. 203, doi. 10.1139/V10-104

By:

Jayaraj, Nithyanandhan;
Jockusch, Steffen;
Kaanumalle, Lakshmi S.;
Turro, N. J.;
Ramamurthy, V.

Publication type:

Article

Quantitative analysis of biogenic polyamines in distilled drinks by direct electrospray ionization tandem mass spectrometry using a nanocontainer.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2016, v. 30, n. 17, p. 1963, doi. 10.1002/rcm.7676

By:

Galego, Ludovina R.;
Rodrigues, Maria A. A.;
Mendes, Débora C.;
Jockusch, Steffen;
Da Silva, José P.

Publication type:

Article

Photochemical [2+4]‐Dimerization Reaction from the Excited State.

Published in:

Angewandte Chemie, 2024, v. 136, n. 4, p. 1, doi. 10.1002/ange.202316662

By:

Ahuja, Sapna;
Baburaj, Sruthy;
Valloli, Lakshmy Kannadi;
Rakhimov, Sarvar Aminovich;
Manal, Kavyasree;
Kushwaha, Aakrati;
Jockusch, Steffen;
Forbes, Malcolm D. E.;
Sivaguru, Jayaraman

Publication type:

Article

Phenacyl Bromide as a Single‐Component Photoinitiator: Photoinduced Step‐Growth Polymerization of N‐Methylpyrrole and N‐Methylindole.

Published in:

Angewandte Chemie, 2022, v. 134, n. 36, p. 1, doi. 10.1002/ange.202208845

By:

Kocaarslan, Azra;
Kaya, Kerem;
Jockusch, Steffen;
Yagci, Yusuf

Publication type:

Article

Zinc Substitution of Cobalt in Vitamin B12: Zincobyric acid and Zincobalamin as Luminescent Structural B12‐Mimics.

Published in:

Angewandte Chemie, 2019, v. 131, n. 41, p. 14710, doi. 10.1002/ange.201908428

By:

Kieninger, Christoph;
Baker, Joseph A.;
Podewitz, Maren;
Wurst, Klaus;
Jockusch, Steffen;
Lawrence, Andrew D.;
Deery, Evelyne;
Gruber, Karl;
Liedl, Klaus R.;
Warren, Martin J.;
Kräutler, Bernhard

Publication type:

Article

Die Hydrogenobyrsäure‐Struktur enthüllt den Corrin‐Liganden als entatisches Zustandsmodul zur Steigerung der Katalyseaktivität von B12‐Cofaktoren.

Published in:

Angewandte Chemie, 2019, v. 131, n. 31, p. 10869, doi. 10.1002/ange.201904713

By:

Kieninger, Christoph;
Deery, Evelyne;
Lawrence, Andrew D.;
Podewitz, Maren;
Wurst, Klaus;
Nemoto‐Smith, Emi;
Widner, Florian J.;
Baker, Joseph A.;
Jockusch, Steffen;
Kreutz, Christoph R.;
Liedl, Klaus R.;
Gruber, Karl;
Warren, Martin J.;
Kräutler, Bernhard

Publication type:

Article

Oxidizable Ketones: Persistent Radical Cations from the Single‐Electron Oxidation of 2,3‐Diaminocyclopropenones.

Published in:

Angewandte Chemie, 2019, v. 131, n. 24, p. 8133, doi. 10.1002/ange.201902265

By:

Strater, Zack M.;
Rauch, Michael;
Jockusch, Steffen;
Lambert, Tristan H.

Publication type:

Article

Pyrene binary probes for unambiguous detection of mRNA using time-resolved fluorescence spectroscopy.

Published in:

Nucleic Acids Research, 2006, v. 34, n. 10, p. 3161, doi. 10.1093/nar/gkl406

By:

Martí, Angel A.;
Li, Xiaoxu;
Jockusch, Steffen;
Li, Zengmin;
Raveendra, Bindu;
Kalachikov, Sergey;
Russo, James J.;
Morozova, Irina;
Puthanveettil, Sathyanarayanan V.;
Ju, Jingyue;
Turro, Nicholas J.

Publication type:

Article

Molecular beacons with intrinsically fluorescent nucleotides.

Published in:

Nucleic Acids Research, 2006, v. 34, n. 6, p. e50, doi. 10.1093/nar/gkl134

By:

Martí, Angel A.;
Jockusch, Steffen;
Li, Zengmin;
Ju, Jingyue;
Turro, Nicholas J.

Publication type:

Article

Fluorescence sensing of microplastics on surfaces.

Published in:

Environmental Chemistry Letters, 2021, v. 19, n. 2, p. 1797, doi. 10.1007/s10311-020-01136-0

By:

Costa, Camila Q. V.;
Cruz, Joana;
Martins, Jorge;
Teodósio, Maria Alexandra A.;
Jockusch, Steffen;
Ramamurthy, V.;
Da Silva, José P.

Publication type:

Article

Nucleotide analogues as inhibitors of SARS-CoV Polymerase.

Published in:

Pharmacology Research & Perspectives, 2020, v. 8, n. 6, p. 1, doi. 10.1002/prp2.674

By:

Jingyue Ju;
Xiaoxu Li;
Kumar, Shiv;
Jockusch, Steffen;
Minchen Chien;
Chuanjuan Tao;
Morozova, Irina;
Kalachikov, Sergey;
Kirchdoerfer, Robert N.;
Russo, James J.

Publication type:

Article

Discovery of SARS-CoV-2 antiviral synergy between remdesivir and approved drugs in human lung cells.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-21034-5

By:

Nguyenla, Xammy;
Wehri, Eddie;
Van Dis, Erik;
Biering, Scott B.;
Yamashiro, Livia H.;
Zhu, Chi;
Stroumza, Julien;
Dugast-Darzacq, Claire;
Graham, Thomas G. W.;
Wang, Xuanting;
Jockusch, Steffen;
Tao, Chuanjuan;
Chien, Minchen;
Xie, Wei;
Patel, Dinshaw J.;
Meyer, Cindy;
Garzia, Aitor;
Tuschl, Thomas;
Russo, James J.;
Ju, Jingyue

Publication type:

Article

Polyphenol and volatile profiles of pomegranate ( Punica granatum L.) fruit extracts and liquors.

Published in:

International Journal of Food Science & Technology, 2013, v. 48, n. 4, p. 693, doi. 10.1111/ijfs.12014

By:

Galego, Ludovina R.;
Jockusch, Steffen;
Da Silva, José P.

Publication type:

Article

Magnetic and spin effects in the photoinitiation of polymerization.

Published in:

Designed Monomers & Polymers, 2003, v. 6, n. 1, p. 91, doi. 10.1163/156855503321127565

By:

Khudyakov, Igor V.;
Arsu, Nergis;
Jockusch, Steffen;
Turro, Nicholas J.

Publication type:

Article

A New Strategy to Photoactivate Green Fluorescent Protein.

Published in:

Angewandte Chemie International Edition, 2010, v. 49, n. 42, p. 7677, doi. 10.1002/anie.201003797

By:

Groff, Dan;
Wang, Feng;
Jockusch, Steffen;
Turro, Nicholas J.;
Schultz, Peter G.

Publication type:

Article

Blue Luminescence of Ripening Bananas.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 46, p. 8954, doi. 10.1002/anie.200803189

By:

Moser, Simone;
Müller, Thomas;
Ebert, Marc-Olivier;
Jockusch, Steffen;
Turro, Nicholas J.;
Kräutler, Bernhard

Publication type:

Article

Riboflavin‐Catalyzed Photoinduced Atom Transfer Radical Polymerization.

Published in:

Macromolecular Chemistry & Physics, 2025, v. 226, n. 7, p. 1, doi. 10.1002/macp.202400323

By:

Coskun, Halil Ibrahim;
Votruba‐Drzal, Thomas;
Wu, Hanshu;
Jockusch, Steffen;
Yilmaz, Gorkem;
Matyjaszewski, Krzysztof

Publication type:

Article

Combination of antiviral drugs inhibits SARS-CoV-2 polymerase and exonuclease and demonstrates COVID-19 therapeutic potential in viral cell culture.

Published in:

Communications Biology, 2022, v. 5, n. 1, p. 1, doi. 10.1038/s42003-022-03101-9

By:

Wang, Xuanting;
Sacramento, Carolina Q.;
Jockusch, Steffen;
Chaves, Otávio Augusto;
Tao, Chuanjuan;
Fintelman-Rodrigues, Natalia;
Chien, Minchen;
Temerozo, Jairo R.;
Li, Xiaoxu;
Kumar, Shiv;
Xie, Wei;
Patel, Dinshaw J.;
Meyer, Cindy;
Garzia, Aitor;
Tuschl, Thomas;
Bozza, Patrícia T.;
Russo, James J.;
Souza, Thiago Moreno L.;
Ju, Jingyue

Publication type:

Article

Photochemical [2+4]‐Dimerization Reaction from the Excited State.

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 4, p. 1, doi. 10.1002/anie.202316662

By:

Ahuja, Sapna;
Baburaj, Sruthy;
Valloli, Lakshmy Kannadi;
Rakhimov, Sarvar Aminovich;
Manal, Kavyasree;
Kushwaha, Aakrati;
Jockusch, Steffen;
Forbes, Malcolm D. E.;
Sivaguru, Jayaraman

Publication type:

Article

Phenacyl Bromide as a Single‐Component Photoinitiator: Photoinduced Step‐Growth Polymerization of N‐Methylpyrrole and N‐Methylindole.

Published in:

Angewandte Chemie International Edition, 2022, v. 61, n. 36, p. 1, doi. 10.1002/anie.202208845

By:

Kocaarslan, Azra;
Kaya, Kerem;
Jockusch, Steffen;
Yagci, Yusuf

Publication type:

Article

Zinc Substitution of Cobalt in Vitamin B12: Zincobyric acid and Zincobalamin as Luminescent Structural B12‐Mimics.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 41, p. 14568, doi. 10.1002/anie.201908428

By:

Kieninger, Christoph;
Baker, Joseph A.;
Podewitz, Maren;
Wurst, Klaus;
Jockusch, Steffen;
Lawrence, Andrew D.;
Deery, Evelyne;
Gruber, Karl;
Liedl, Klaus R.;
Warren, Martin J.;
Kräutler, Bernhard

Publication type:

Article

The Hydrogenobyric Acid Structure Reveals the Corrin Ligand as an Entatic State Module Empowering B12 Cofactors for Catalysis.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 31, p. 10756, doi. 10.1002/anie.201904713

By:

Kieninger, Christoph;
Deery, Evelyne;
Lawrence, Andrew D.;
Podewitz, Maren;
Wurst, Klaus;
Nemoto‐Smith, Emi;
Widner, Florian J.;
Baker, Joseph A.;
Jockusch, Steffen;
Kreutz, Christoph R.;
Liedl, Klaus R.;
Gruber, Karl;
Warren, Martin J.;
Kräutler, Bernhard

Publication type:

Article

Oxidizable Ketones: Persistent Radical Cations from the Single‐Electron Oxidation of 2,3‐Diaminocyclopropenones.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 24, p. 8049, doi. 10.1002/anie.201902265

By:

Strater, Zack M.;
Rauch, Michael;
Jockusch, Steffen;
Lambert, Tristan H.

Publication type:

Article

Chemoselective light‐induced reactivity of β‐enaminones.

Published in:

Photochemistry & Photobiology, 2024, v. 100, n. 4, p. 1068, doi. 10.1111/php.13889

By:

Valloli, Lakshmy Kannadi;
Manal, Kavyasree;
Lewis, Brieanna;
Jockusch, Steffen;
Sivaguru, Jayaraman

Publication type:

Article

Modulating Photochemical Properties to Enhance the Stability of Electronically Dimmable Eye Protection Devices†.

Published in:

Photochemistry & Photobiology, 2023, v. 99, n. 3, p. 901, doi. 10.1111/php.13795

By:

Baburaj, Sruthy;
Parthiban, Jayachandran;
Rakhimov, Sarvar Aminovich;
Johnson, Rasheedah;
Sukhomlinova, Ludmila;
Luchette, Paul;
Jockusch, Steffen;
Forbes, Malcolm D. E.;
Sivaguru, Jayaraman

Publication type:

Article

Intramolecular Charge Transfer in the Azathioprine Prodrug Quenches Intersystem Crossing to the Reactive Triplet State in 6‐Mercaptopurine†.

Published in:

Photochemistry & Photobiology, 2022, v. 98, n. 3, p. 617, doi. 10.1111/php.13513

By:

Ortiz‐Rodríguez, Luis A.;
Ortiz‐Zayas, Glesmarie;
Pollum, Marvin;
Hoehn, Sean J.;
Jockusch, Steffen;
Crespo‐Hernández, Carlos E.

Publication type:

Article

The Triplet State of 6-thio-2′-deoxyguanosine: Intrinsic Properties and Reactivity Toward Molecular Oxygen.

Published in:

Photochemistry & Photobiology, 2016, v. 92, n. 2, p. 286, doi. 10.1111/php.12563

By:

Pollum, Marvin;
Ortiz‐Rodríguez, Luis A.;
Jockusch, Steffen;
Crespo‐Hernández, Carlos E.

Publication type:

Article

Unraveling the Photophysical Characteristics, Aromaticity, and Stability of π–Extended Acene‐Quinodimethyl Thioamides†.

Published in:

ChemPhysChem, 2023, v. 24, n. 21, p. 1, doi. 10.1002/cphc.202200906

By:

Yang, Guang;
Yun, Young Ju;
Peccati, Francesca;
Jamhawi, Abdelqader M.;
Kamatham, Nareshbabu;
Jockusch, Steffen;
Jiménez‐Osés, Gonzalo;
Ayitou, A. Jean‐Luc

Publication type:

Article

Energy Transfer Catalysis by Visible Light: Atrop‐ and Regio‐Selective Intermolecular [2+2]‐Photocycloaddition of Maleimide with Alkenes.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 10, p. 1478, doi. 10.1002/ejoc.201901157

By:

Ahuja, Sapna;
Jockusch, Steffen;
Ugrinov, Angel;
Sivaguru, Jayaraman

Publication type:

Article

Cover Feature: Quinoidization of π‐Expanded Aromatic Diimides: Photophysics, Aromaticity, and Stability of the Novel Quinoidal Acenes (Eur. J. Org. Chem. 8/2020).

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 8, p. 908, doi. 10.1002/ejoc.202000184

By:

Kamatham, Nareshbabu;
Li, Jingbai;
Shokri, Siamak;
Yang, Guang;
Jockusch, Steffen;
Rogachev, Andrey Yu.;
Ayitou, A. Jean‐Luc

Publication type:

Article

Quinoidization of π‐Expanded Aromatic Diimides: Photophysics, Aromaticity, and Stability of the Novel Quinoidal Acenes.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 8, p. 917, doi. 10.1002/ejoc.201901456

By:

Kamatham, Nareshbabu;
Li, Jingbai;
Shokri, Siamak;
Yang, Guang;
Jockusch, Steffen;
Rogachev, Andrey Yu.;
Ayitou, A. Jean‐Luc

Publication type:

Article

Dithionated Nucleobases as Effective Photodynamic Agents against Human Epidermoid Carcinoma Cells.

Published in:

ChemMedChem, 2018, v. 13, n. 10, p. 1044, doi. 10.1002/cmdc.201800148

By:

Pollum, Marvin;
Lam, Minh;
Jockusch, Steffen;
Crespo‐Hernández, Carlos E.

Publication type:

Article

Tetraarylporphyrin as a Selective Molecular Cap for Non-Watson–Crick Guanine–Adenine Base-Pair SequencesWe thank the National Science Foundation (CHE04-10655, S.J.) and the National Institutes of Health (GM 36564, N.B.) for financial support. We thank Dr. Y. Itakagi for MALDI-TOF measurements. M.B. thanks Dr. S. V. Dzyuba for very creative and helpful discussions.

Published in:

Angewandte Chemie International Edition, 2006, v. 45, n. 21, p. 3530, doi. 10.1002/anie.200504431

By:

Milan Balaz;
Benjamin C. Li;
Steffen Jockusch;
George A. Ellestad;
Nina Berova

Publication type:

Article

Superoxidation of BisretinoidsWe thank the National Institutes of Health (GM 0365 64 to K.N.) and the National Science Foundation (CHE 04—10 655, N.J.T.) for financial support.

Published in:

Angewandte Chemie International Edition, 2005, v. 44, n. 43, p. 7097, doi. 10.1002/anie.200501346

By:

Ilyas Washington;
Steffen Jockusch;
Yasuhiro Itagaki;
Nicholas J. Turro;
Koji Nakanishi

Publication type:

Article

Formation of a Nonaoxirane from A2E, a Lipofuscin Fluorophore related to Macular Degeneration, and Evidence of Singlet Oxygen Involvement.

Published in:

Angewandte Chemie International Edition, 2002, v. 41, n. 5, p. 814, doi. 10.1002/1521-3773(20020301)41:5<814::AID-ANIE814>3.0.CO;2-2

By:

Ben-Shabat, Shimon;
Itagaki, Yasuhiro;
Jockusch, Steffen;
Sparrow, Janet R.;
Turro, Nicholas J.;
Nakanishi, Koji

Publication type:

Article

Photoreactions with a Twist: Atropisomerism-Driven Divergent Reactivity of Enones with UV and Visible Light.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 32, p. 11339, doi. 10.1002/chem.201601509

By:

Vallavoju, Nandini;
Sreenithya, Avadakkam;
Ayitou, Anoklase J.-L.;
Jockusch, Steffen;
Sunoj, Raghavan B.;
Sivaguru, Jayaraman

Publication type:

Article

Frontispiz: Realizing an Aza Paternò-Büchi Reaction.

Published in:

Angewandte Chemie, 2017, v. 129, n. 25, p. n/a, doi. 10.1002/ange.201782561

By:

Kumarasamy, Elango;
Kandappa, Sunil Kumar;
Raghunathan, Ramya;
Jockusch, Steffen;
Sivaguru, Jayaraman

Publication type:

Article

Realizing an Aza Paternò-Büchi Reaction.

Published in:

Angewandte Chemie, 2017, v. 129, n. 25, p. 7162, doi. 10.1002/ange.201702273

By:

Kumarasamy, Elango;
Kandappa, Sunil Kumar;
Raghunathan, Ramya;
Jockusch, Steffen;
Sivaguru, Jayaraman

Publication type:

Article

Von Chlorophyll abstammende gelbe Phyllobiline höherer Pflanzen als umgebungsgesteuerte, chirale Photoschalter.

Published in:

Angewandte Chemie, 2016, v. 128, n. 51, p. 15992, doi. 10.1002/ange.201609481

By:

Li, Chengjie;
Wurst, Klaus;
Jockusch, Steffen;
Gruber, Karl;
Podewitz, Maren;
Liedl, Klaus R.;
Kräutler, Bernhard

Publication type:

Article

Innentitelbild: Von Chlorophyll abstammende gelbe Phyllobiline höherer Pflanzen als umgebungsgesteuerte, chirale Photoschalter (Angew. Chem. 51/2016).

Published in:

Angewandte Chemie, 2016, v. 128, n. 51, p. 15912, doi. 10.1002/ange.201611033

By:

Li, Chengjie;
Wurst, Klaus;
Jockusch, Steffen;
Gruber, Karl;
Podewitz, Maren;
Liedl, Klaus R.;
Kräutler, Bernhard

Publication type:

Article

Electron Delocalization in Perylene Diimide Helicenes.

Published in:

Angewandte Chemie, 2016, v. 128, n. 43, p. 13717, doi. 10.1002/ange.201607878

By:

Schuster, Nathaniel J.;
Paley, Daniel W.;
Jockusch, Steffen;
Ng, Fay;
Steigerwald, Michael L.;
Nuckolls, Colin

Publication type:

Article

Frontispiz: Organophotocatalysis: Insights into the Mechanistic Aspects of Thiourea-Mediated Intermolecular [2+2] Photocycloadditions.

Published in:

Angewandte Chemie, 2016, v. 128, n. 18, p. n/a, doi. 10.1002/ange.201681861

By:

Vallavoju, Nandini;
Selvakumar, Sermadurai;
Pemberton, Barry C.;
Jockusch, Steffen;
Sibi, Mukund P.;
Sivaguru, Jayaraman

Publication type:

Article

Organophotocatalysis: Insights into the Mechanistic Aspects of Thiourea-Mediated Intermolecular [2+2] Photocycloadditions.

Published in:

Angewandte Chemie, 2016, v. 128, n. 18, p. 5536, doi. 10.1002/ange.201600596

By:

Vallavoju, Nandini;
Selvakumar, Sermadurai;
Pemberton, Barry C.;
Jockusch, Steffen;
Sibi, Mukund P.;
Sivaguru, Jayaraman

Publication type:

Article

Enantioselective Organo-Photocatalysis Mediated by Atropisomeric Thiourea Derivatives.

Published in:

Angewandte Chemie, 2014, v. 126, n. 22, p. 5710, doi. 10.1002/ange.201310940

By:

Vallavoju, Nandini;
Selvakumar, Sermadurai;
Jockusch, Steffen;
Sibi, Mukund P.;
Sivaguru, Jayaraman

Publication type:

Article

Photoinduced surface crosslinking of superabsorbent polymer particles.

Published in:

Journal of Applied Polymer Science, 2009, v. 111, n. 5, p. 2163, doi. 10.1002/app.29209

By:

Jockusch, Steffen;
Turro, Nicholas J.;
Mitsukami, Yoshiro;
Matsumoto, Makoto;
Iwamura, Taku;
Lindner, Torsten;
Flohr, Andreas;
di Massimo, Giuseppe

Publication type:

Article

Corrigendum: Evaluating Thiourea Architecture for Intramolecular [2+2] Photocycloaddition of 4-Alkenylcoumarins.

Published in:

Advanced Synthesis & Catalysis, 2014, v. 356, n. 17, p. 3481, doi. 10.1002/adsc.201400949

By:

Vallavoju, Nandini;
Selvakumar, Sermadurai;
Jockusch, Steffen;
Prabhakaran, Manoj Thathamkulam;
Sibi, Mukund P.;
Sivaguru, Jayaraman

Publication type:

Article