5.4
Transfer protocol
In this section
This section describes how to transfer the proteins from the gel to a blotting
membrane using tank transfer and semi-dry blotting.
Tank transfer
Transfer buffer
Tris-glycine buffer: 25 mM Tris, 192 mM glycine, 20% methanol. Prepare
fresh.
Use a pre-chilled transfer buffer.
Note:
Preparing the membrane
Action
Step
Pre-wet the membranes:
1
•
NitroCellulose (NC) membrane: Pre-wet the membranes in
distilled water for five minutes followed by 10 minutes in
transfer buffer.
•
PVDF membrane: Pre-wet the PVDF membranes first in
methanol for 20 seconds, then in distilled water for 5 minutes
and finally, in cold transfer buffer for at least 10 minutes.
Note:
Use a pre-cut membrane provided by GE Healthcare. See
Amersham ECL Gel and Gel Box User Manual 28-9943-33 AC
53
5 Protocols
5.4 Transfer protocol
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