E3xxx
E3xxx
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Gel preparation
Gel preparation
1
. Table below shows the volume of agarose solution required to
make the desired agarose gel (5 mm thick) for each unit tray
size. For a standard 0.7 % agarose gel, add 0.7 g of agarose to
100 ml of 1x TAE or TBE solution. The same 1x solution should
be used in the tank buffer solution.
Model
Gel size (cm)
Volume (ml)
E3100
10x8
40
E3200
7x7
25
7x10
35
E3300
10x7
35
10x10
50
E3400
15x7
53
15x10
75
15x15
113
E3500
20x10
100
20x20
200
E3600
26x16
208
26x24
312
26x32
416
2
. Add the agarose powder to a conical flask.
3
. Add the appropriate amount of 1 x TAE or TBE solution from
the table above. To prevent evaporation during the dissolving
steps below, the conical flask should be covered with para-
film.
4
. Dissolve the agarose powder by heating the agarose either on
a magnetic hot plate with stirring bar or in a microwave oven.
If using the microwave method, the microwave should be set
at around a 400 W or medium setting and the flask swirled
every minute. The solution should be heated until all crystals
are dissolved. This is best viewed against a light background.
Crystals appear as translucent crystals. These will interfere
with sample migration if not completely dissolved.
5
.
The gel must be cooled to between 50°C and 60°C degrees
before pouring.
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