The most attractive strategies to restore an injured brain are cell replacement therapies using neural stem/progenitor c......

利用多聚鸟氨可以改变本来都带负电荷的原生质体或外源ＤＮＡ表面电性，使其中之一带正电荷，从而达到原生质体和外源ＤＮＡ正负相吸，并且促进外源ＤＮＡ进......