The cleavage ability of pBR322 DNA(by gel electrophoresis) and antibacterial activity on Staphylococcus aureus(ATCC 25923) of the novel porphyrin dimers were tested under photo irradiation and in dark.

The function study on trichlorobenzene degradation by plasmid pT7;

Relationship between sauce-flavor aroma and plasmid containing of 2 sauce-flavor producing Bacillus subtilis strains;

Construction and identification of nine single-point mutant recombinant plasmids of phenylalanine hydroxylase gene;

Construction and identification of recombinant plasmids with prostate specific antigen enhancer and promoter in gene expression regulation;

Construction of human La protein mutant plasmids and expression,purification of human La protein and its mutants;