By culturing 1,12,24 and 48 h after the irradiation,the synthesis of collagen was measured by 3H-proline incorporation determination.

By incorporation 3 H leucine,using liquid scintillation counter,we now know there was protective protein synthesis du.

Research Progress of L-Proline Production by Fermentation;

Crystal Structure of a L-Proline Derived Chiral Macrocyclic Dioxopolyamine;

Synthesis of Polymer-supported L-proline Catalyst and Study on Their Catalyzed Direct Asymmetric Aldol Reaction;