用固相合成法合成了两种不同链长的含RGD序列的小分子多肽,分别为RGD和GGGGRGDS。用物理共混法制备了含RGD的SS-PEI/DNA复合物。测......

<正>A novel method to prepare crosslinked polyethyleneimine(CPEI)hollow nanospheres was reported.Uniform silica nanosphe......