The cyclic voltammetry and chronoamperometry were used to investigate the electrochemical behaviors of Er(Ⅲ) and Ni(Ⅱ)......

目的：探索适合于人骨髓基质干细胞（marrow stromal cells，MSCs）-196℃冷冻保存的条件和方法。方法：体外分离培养人MSCs．以含不同浓度二甲......