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! h- a! i5 {1 c$ W- k, G关于油红O染色步骤:0 L5 j3 ^% N7 ?: r4 [- h2 i2 B
1。 Cell fixation with 4%PFA RT for 30min.
/ x5 s' Z' W& W. F2 x" C+ ] F9 C( c; x2. Remove PFA and wash cell with PBS once.
7 s# R- ~* }& f$ Z: @3. Then wash cell with 60% isopropanol for 30 min on a shaker.
! W3 E0 R9 ?: ?+ L" K4. Remove 60% isopropanol and add working oil red O solution stain for 30 min on a shaker.! y0 Y' v8 h0 F6 M2 Y. i
5. After 30min remove oil red O stain immediately and wash with PBS for 4 times.6 P, L( f7 U. B/ M$ ~' G0 l
6. Leave some PBS in the well and take picture.! B4 k% o" ^# Z+ e
The working oil red solution should be made fresh from the stock each time. G' N' n9 J' B9 y4 k8 G; L
Stock solution (175mg oil red O/50ml 100% isopropanol) could store for up to one year.
( c/ W' E: x8 c8 @# P6 H) eWorking solution: dilute the oil red O stock solution with PBS(6ml oil red O stock+4ml PBS) filter with filter paper or 0.45um filter unit. |
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