我是用一下方法效果还可以。 / ?. k0 u2 P8 }" jLaminin stock solution (1 mg/mL) (Sigma) " _; O% z1 C8 y5 [6 WStore stock solution in 0.1-mL aliquots at −20°C. Just before use, prepare a 1:50 dilution by diluting 0.1 mL of stock solution in 5 mL of sterile 1X PBS supplemented with Ca2+ and Mg2+ % y/ w- C; o0 H2 M5 `" W(Sigma D8662). ! S4 D& [+ Y( b' c( @& }+ Z9 f4 ~1 i