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建议买sigma的,我们这里是国内较大的实验室,最常用sigma的(货号:D2650,100ml/瓶)。. S o" ^, B: I) P: G
你说的很对,不同文献说的配比浓度很不一样,我建议你采用两种配比方案:4 f; V& _. `/ d2 A# w! h. d5 {
一、按照我们实验室通行的方案:90%Hyclone血清+10%DMSO,效果非常好。8 e+ D% x- K, m' ~, T7 T
二、按照比较权威的世界一流干细胞研究所Wicell 研究所的方案:! G, b" d- P8 m! h, x& k& ~
Cryopreservation Media ( 2X solution )
" H6 U. ~1 `& @Ingredient Amount ; l5 Z4 @" u/ k# M/ b4 x
Defined FBS 60%
; Z& E+ J& c- Z6 GDMSO 20% . Y$ w" C3 G* ?) n# N o% E
cell culture media 20% & c2 d) L2 j& u9 x% }
Filter media with a 0.22m filter unit. This 2X solution will
X) z: V, h$ d7 T& ~* dbe added to cells in cell culture media to produce a / \. O- T S4 G# I
1X freezing media. Keep on ice. Final FBS 8 ]/ v" B* W" P" s6 d3 w
concentration is 30%. Final DMSO concentration is
! c( g/ @4 W, \10%. |
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