1. Foreword

   • Hirochika Sakuragi

   EditorialNotes Pages: 662 - 662

2. The triplet state of alkenes: Structure, dynamics, energetics and chemistry

   • D. J. Unett
   • R. A. Caldwell

   OriginalPaper Pages: 665 - 709

3. Diffuse-reflectance laser flash photolysis of 16-(1-pyrene)-hexadecanoic acid adsorbed on silica

   • L. Viaene
   • D. Meerschaut
   • F. Wilkinson

   OriginalPaper Pages: 711 - 723

4. Effects of temperature on the triplet behavior of the styrylphenanthrene isomers

   • Fausto Elisei
   • Gian Gaetano Aloisi
   • Helmut Görner

   OriginalPaper Pages: 725 - 734

5. Solvent and temperature effects on the fluorescence and competitive photoreactions of cis-9-styrylanthracene

   • Giampiero Bartocci
   • Anna Spalletti
   • Ugo Mazzucato

   OriginalPaper Pages: 735 - 747

6. The influence of intramolecular hydrogen bonding on the structure and E ↔ Z photoisomerization of urocanic acid derivatives

   • Frederick D. Lewis
   • Beth A. Yoon

   OriginalPaper Pages: 749 - 763

7. Molecular organization of DHP membrane fragments

   • Lan Liu
   • Robert B. Pansu
   • René Lapouyade

   OriginalPaper Pages: 765 - 775

8. Electron-transfer photochemistry of 2,3-diphenyl-1,3-butadiene

   • Yasutake Takahashi
   • Rieko Iida
   • Tsutomu Miyashi

   OriginalPaper Pages: 777 - 791

9. Factors controlling the efficiencies of photoinduced electron-transfer reactions

   • Ian R. Gould
   • Jacques E. Moser
   • Samir Farid

   OriginalPaper Pages: 793 - 806

10. Intramolecular charge delocalization in the singlet excited state of blocked pyrylium ions

    • Fadile Lahmadi
    • Pierre Valat
    • Jean Kossanyi

    OriginalPaper Pages: 807 - 822