Using plasmid pGEM-3Zf(-) and M13mpl8 RF DNA, this thesis studied the DNA damage (DNA single strand break (SSB) and double strand break (DSB)), and gene mutation spectra induced by 30keV N+, C+ ions.

• 本文以质粒、噬菌体为实验材料，主要研究30keV的N~+、C~+引起的DNA分子损伤(单双链断裂)和它诱发基因突变的特点和规律。