In order to improve transgene efficiency of pollen tube pathway,and study the possibility of direct transformation of Agrobacterium,pCAMBIA3301 at 3 concentration levels of CaCl2 was transformed into Shanghai Bendiqing Soybean receptors by means of pollen tube pathway,meanwhile,3 different varieties of Agrobacterium GV3101、LBA4404、EHA105 were introduced into soybean as another treatment.

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;

Large-scale Purification of Plasmid DNA by Ultrafiltration with Hollow Fiber Filter and Hydrophobic Chromatography;

The traditional alkaline method to isolate plasmid DNA takes time and the operation system requires strict control.

Viscoelastic response of pressurized granular materials;

Effects of subharmonic motion on size segregation in vertically vibrated granular materials