Helvetica Chimica Acta

Copyright © 2012 Verlag Helvetica Chimica Acta AG, Zürich, Switzerland

Cover image for Helvetica Chimica Acta

September 19, 2001

Volume 84, Issue 9

Pages 2439–2832

    1. Derivatization of 4-(Dimethylamino)benzamide to Dual Fluorescent Ionophores: Divergent Spectroscopic Effects Dependent on N or O Amide Chelation (pages 2439–2451)

      Jean-Pierre Malval and René Lapouyade

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2439::AID-HLCA2439>3.0.CO;2-S

    2. Structure and Photochemical Behavior of the Cyclodextrin Inclusion Complexes of the Benzoylthiophene-Derived Drugs Tiaprofenic Acid (=5-Benzoyl-α-methylthiophene-2-acetic Acid) and Suprofen (=α-Methyl-4-(2-thienylcarbonyl)benzeneacetic Acid) (pages 2452–2466)

      Sandra Monti, Susana Encinas, Agustin Lahoz, Giancarlo Marconi, Salvatore Sortino, Julia Perez-Prieto and Miguel A. Miranda

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2452::AID-HLCA2452>3.0.CO;2-T

    3. Aggregation and Photodimerization of Areno-Condensed Annulenes (pages 2467–2475)

      Christoph Schnorpfeil, Herbert Meier and Masahiro Irie

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2467::AID-HLCA2467>3.0.CO;2-Y

    4. Phase Separation of Poly(N-isopropylacrylamide) in Mixtures of Water and Methanol: A Spectroscopic Study of the Phase-Transition Process with a Polymer Tagged with a Fluorescent Dye and a Spin Label (pages 2476–2492)

      M. Francesca Ottaviani, Françoise M. Winnik, Stefan H. Bossmann and Nicholas J. Turro

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2476::AID-HLCA2476>3.0.CO;2-1

    5. Oxygen Quenching of nπ* Triplet Phenyl Ketones: Local Excitation and Local Deactivation (pages 2493–2507)

      Claude Schweitzer, Zahra Mehrdad, Astrid Noll, Erich-Walter Grabner and Reinhard Schmidt

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2493::AID-HLCA2493>3.0.CO;2-F

    6. Photochemistry of 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7- (piperazin-1-yl)quinoline-3-carboxylic Acid (=Ciprofloxacin) in Aqueous Solutions (pages 2508–2519)

      Mariella Mella, Elisa Fasani and Angelo Albini

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2508::AID-HLCA2508>3.0.CO;2-Y

    7. Polar-Solvent Effect on the Photocycloisomerization of Symmetrical Bis[anthracenes]: A Transient Ultrafast Kinetic Study (pages 2520–2532)

      Alexander S. Dvornikov, Jean-Pierre Desvergne, Dmitri A. Oulianov, Henri Bouas-Laurent and Peter M. Rentzepis

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2520::AID-HLCA2520>3.0.CO;2-4

    8. On the Phosphorescence of 1H-Phenalen-1-one (pages 2533–2539)

      Cristina Flors and Santi Nonell

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2533::AID-HLCA2533>3.0.CO;2-L

    9. On the Mechanism of Polyamide Degradation in Chlorinated Water (pages 2540–2549)

      Niels Dam and Peter R. Ogilby

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2540::AID-HLCA2540>3.0.CO;2-0

    10. Effect of Electrolyte Addition on the Colloidal Stability of Aqueous Zeolite Sols (pages 2550–2556)

      Torsten Mäurer and Bettina Kraushaar-Czarnetzki

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2550::AID-HLCA2550>3.0.CO;2-Z

    11. Time-Resolved Thermodynamic Profile upon Photoexcitation of a Nitrospiropyran in Cycloalkanes and of the Corresponding Merocyanine in Aqueous Solutions (pages 2557–2576)

      René M. Williams, Gudrun Klihm and Silvia E. Braslavsky

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2557::AID-HLCA2557>3.0.CO;2-U

    12. Excited-State Properties of Camphorquinone Based Monomeric and Polymeric Photoinitiators (pages 2577–2588)

      Xavier Allonas, Jean-Pierre Fouassier, Luigi Angiolini and Daniele Caretti

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2577::AID-HLCA2577>3.0.CO;2-Q

    13. Application of Fenton-Based Reactions for Treating Dye Wastewaters: Stability of Sulfonated Azo Dyes in the Presence of Iron(III) (pages 2589–2600)

      Allison A. MacKay and Joseph J. Pignatello

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2589::AID-HLCA2589>3.0.CO;2-C

    14. Aggregation and Photophysics of Rose Bengal in Alumina-Coated Colloidal Suspensions (pages 2601–2614)

      Marta E. Daraio and Enrique San Román

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2601::AID-HLCA2601>3.0.CO;2-X

    15. Chlorophyll Breakdown – On a Nonfluorescent Chlorophyll Catabolite from Spinach (pages 2615–2627)

      Michael Oberhuber, Joachim Berghold, Walter Mühlecker, Stefan Hörtensteiner and Bernhard Kräutler

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2615::AID-HLCA2615>3.0.CO;2-7

    16. Fluorescent Optosensor for Humidity Measurements in Air (pages 2628–2639)

      Maximino Bedoya, Guillermo Orellana and María C. Moreno-Bondi

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2628::AID-HLCA2628>3.0.CO;2-O

    17. Quenching of Porphyrin Triplet and Singlet Oxygen by Stable Nitroxide Radicals: Importance of Steric Hindrance (pages 2640–2652)

      Tamás Vidóczy and Péter Baranyai

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2640::AID-HLCA2640>3.0.CO;2-V

    18. In-situ-Charakterisierung von (Vanadium-oxid/Titan-oxid)-Katalysatoren bei der partiellen Oxidation von o-Xylol (pages 2653–2669)

      Monika Brust and Hans-Günther Lintz

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2653::AID-HLCA2653>3.0.CO;2-B

    19. A Spectroscopic Investigation of Donor-Acceptor-Substituted Heptalenes (pages 2670–2692)

      Philipp Ott and Hans-Jürgen Hansen

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2670::AID-HLCA2670>3.0.CO;2-P

    20. Photoinduced Electron-Transfer Oxidation of Olefins with Molecular Oxygen Sensitized by Tetrasubstituted Dimethoxybenzenes: A Non-Singlet-Oxygen Mechanism (pages 2693–2707)

      Tadashi Mori, Makoto Takamoto, Takehiko Wada and Yoshihisa Inoue

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2693::AID-HLCA2693>3.0.CO;2-3

    21. Interaction of Sulfonated Ruthenium(II) Polypyridine Complexes with Surfactants Probed by Luminescence Spectroscopy (pages 2708–2730)

      David García-Fresnadillo and Guillermo Orellana

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2708::AID-HLCA2708>3.0.CO;2-M

    22. Active Agents in Heterogeneous Photocatalysis: Atomic Oxygen Species vs. OH. Radicals: Related Quantum Yields (pages 2731–2750)

      Jean-Marie Herrmann

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2731::AID-HLCA2731>3.0.CO;2-L

    23. Thermal Back-Isomerization of Spirocyclic Naphtho-oxazine and Phenanthro-oxazine Derivatives in Alcohols, Nitriles, and Poly(alkyl methacrylates) (pages 2751–2764)

      Edgar Völker, Manuela O'Connell, R. Martín Negri and Pedro F. Aramendía

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2751::AID-HLCA2751>3.0.CO;2-H

    24. Photoinduced Electron Transfer in Tetrathiafulvalene−Porphyrin−Fullerene Molecular Triads (pages 2765–2783)

      Paul A. Liddell, Gerdenis Kodis, Linda de la Garza, Jeffrey L. Bahr, Ana L. Moore, Thomas A. Moore and Devens Gust

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2765::AID-HLCA2765>3.0.CO;2-S

    25. Photosensitized Generation of Singlet Oxygen from (Substituted Bipyridine)ruthenium(II) Complexes (pages 2784–2795)

      Ayman A. Abdel-Shafi, Paul D. Beer, Roger J. Mortimer and Francis Wilkinson

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2784::AID-HLCA2784>3.0.CO;2-U

    26. Energetics of Electron-Transfer Reactions of Photoinitiated Polymerization: Dye-Sensitized Fragmentation of N-Alkoxypyridinium Salts (pages 2796–2812)

      Ian R. Gould, Deepak Shukla, David Giesen and Samir Farid

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2796::AID-HLCA2796>3.0.CO;2-G

    27. Temperature-Dependent Behavior of the Dual Fluorescence of 2-(3-Fluorophenyl)-2,3-dihydro-1H-benzo[f]isoindole-1,3-dione (pages 2813–2832)

      Pierre Valat, Véronique Wintgens, Jean Kossanyi, Làszlò Biczòk, Attila Demeter and Tibor Bérces

      Article first published online: 30 OCT 2001 | DOI: 10.1002/1522-2675(20010919)84:9<2813::AID-HLCA2813>3.0.CO;2-7

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