15/11/2018
Page 8
Gel Pouring
The multiSUB
®
range of units allows three different methods of gel casting:
1. Casting Dams
2. Flexicaster
3. Traditional Tape
Casting Dams
1. To fit the casting dams, place one casting dam on the bench with the
groove facing upwards (1). Push the edge of the tray down firmly into
the groove (2). Repeat this for the other side (3). The dams should be
fitted so that there is no gap between the sides of the tray and the
groove in the dams. This will ensure that there is no possibility of gel
leakage.
2. Place the comb(s) in the grooves. Each tray has more than one comb
grove so that multiple combs can be used. Using multiple combs
increases sample number available per gel but decreases run length
and care must be taken to ensure that samples from the first wells do
not migrate into the lanes of the second comb wells.
3. Pour in the agarose carefully so as not to generate bubbles. Any
bubbles that do occur can be smoothed to the edge of the gel and
dispersed using a pipette tip.
4. Allow the agarose to set, ensuring that the gel remains undisturbed.
5. Carefully remove the gel casting gates and comb and transfer the gel
including tray to the main tank.
(1)
(2)
(3)
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