1. Diketopiperazine-mediated peptide formation in aqueous solution II. Catalytic effect of phosphate

   • O. Takaoka
   • Y. Yamagata
   • K. Inomata

   OriginalPaper Pages: 113 - 118

2. Growth of peptide chains on silica in absence of amino acid access from without

   • Taras Yu. Gromovoy
   • Vladimir A. Basiuk
   • Alexei A. Chuiko

   OriginalPaper Pages: 119 - 128

3. Chemical transformations of proteinogenic amino acids during their sublimation in the presence of silica

   • Vladimir A. Basiuk
   • Taras Yu Gromovoy
   • Vitaly G. Golovaty

   OriginalPaper Pages: 129 - 144

4. Synthesis of putrescine under possible primitive earth conditions

   • Carlos Wong
   • J. Carlos Santiago
   • J. Oró

   OriginalPaper Pages: 145 - 156

5. Hydrogen peroxide and the evolution of oxygenic photosynthesis

   • C. P. McKay
   • H. Hartman

   OriginalPaper Pages: 157 - 163

6. Origin of genetically encoded protein synthesis: A model based on selection for RNA peptidation

   • J. Tze-Fei Wong

   OriginalPaper Pages: 165 - 176

7. DNA-strand breaks limit survival in extreme dryness

   • Klaus Dose
   • Angelika Bieger-Dose
   • Markus Gill

   OriginalPaper Pages: 177 - 187

8. Martian paleolakes and waterways: Exobiological implications

   • David H. Scott
   • James W. Rice Jr.
   • James M. Dohm

   OriginalPaper Pages: 189 - 198