Keywords Oxidized dextran;Spermine;Spermidine;PEI;Dextran-spermine cationic compound gene carrier;Gene transfection;

• 氧化葡聚糖;精胺;精脒;聚乙烯基亚胺;葡聚糖-精胺阳离子化合物纳米基因载体;基因转染;