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Instruction Manual
OmniPAGE Electrophoresis Systems
CVS10D, CVS10DSYS, CVS10PRE
VS10D, VS10DSYS, VS10PRE, VS10DCAST
VS20D, VS20DSYS, VS20DCAST,
VS10WD, VS10WDSYS
VS30D, VS30DSYS, VS30DCAST
Contents:Page
1
1)
Safety Instructions
3
2)
Packing Lists
4
3)
Care and Maintenance
4)
Usage Guidance and restrictions:
5)
Setting Up
10
6)
Gel Casting
12
7)
Gel Preparation
14
8)
Gel Selection
15
9)
Gel Pouring
17
10)
Sample Preparation and Loading
18
11)
Buffer Volume
12)
Gel Running
13)
Solutions
21
14)
References
23
15)
VS20 DGGE
16)
17)
Combs
8
9
20
20
24
2
Warranty
28
2
SAFETY PRECAUTION
WHEN USED CORRECTLY, THESE UNITS POSE NO HEALTH RISK.
HOWEVER, THESE UNITS CAN DELIVER DANGEROUS LEVELS OF ELECTRICITY AND ARE TO
BE OPERATED ONLY BY QUALIFIED PERSONNEL FOLLOWING THE GUIDELINES LAID OUT IN
THIS INSTRUCTION MANUAL.
ANYONE INTENDING TO USE THIS EQUIPMENT SHOULD READ THE COMPLETE MANUAL
THOROUGHLY.
THE UNIT MUST NEVER BE USED WITHOUT THE SAFETY LID CORRECTLY IN POSITION.
THE UNIT SHOULD NOT BE USED IF THERE IS ANY SIGN OF DAMAGE TO THE EXTERNAL TANK
OR LID.
ACRYLAMIDE IS A POWERFUL NEUROTOXIN IN SOLUTION FORM.
POLYMERIZED GELS CAN CONTAIN SOME UNPOLYMERIZED SOLUTION AND PROTECTIVE
GLOVES AND CLOTHING MUST BE WORN.
THESE UNITS COMPLY WITH THE STATUTORY CE SAFETY DIRECTIVES:
73/23/EEC: LOW VOLTAGE DIRECTIVE: IEC 1010-1:1990 plus AMENDMENT 1:1992
EN 61010-1:1993/BS EN 61010-1:1993
PACKING LISTS:
3
CVS10D, CVS10DSYS, CVS10PRE,
VS10D, VS10DSYS, VS10PRE, VS10DCAST
Units include tank, lid, internal module and electrodes and include the following accessories:Glass Plates
Combs
VS10NG – Notched, Pk/2
2 of VS10-12-1
VS10PGS1 – Plain with
1mm thick, 12
bonded 1mm spacers, Pk/2
sample
Casting base
Cooling
Cables
Pack
VS10D
CVS10D
VS10ICB
CSL-CAB
VS10ICB
CSL-CAB
VS10ICB
CSL-CAB
VS10-DP – Dummy Plate
SCREWS
VS10DSYS
CVS10DSYS
VS10NG – Notched, Pk/2
2 of VS10-12-1
VS10-SCREW x 4
VS10DCAST
VS10PGS1 – Plain with
1mm thick, 12
VS10DCASTM –
bonded 1mm spacers, Pk/2
sample
Mat
VS10-DP – Dummy Plate
SCREWS
VS10PRE
VS10-SCREW x 4
SCREWS
VS10-DP – Dummy Plate
VS10-SCREW x 4
CVS10PRE
VS10DCAST
VS10DCAST
VS10DCASTM - Mat
The packing lists should be referred to as soon as the units are received to ensure that all components
have been included. The unit should be checked for damage when received. Please contact your supplier
if there are any problems or missing items.
VS20D, VS20DSYS, VS20DCAST
Units include tank, lid, internal module and electrodes and include the following accessories:-
VS20D
Glass Plates
Combs
VS20NG - Notched, Pk/2
2 of VS20-24-1
VS20PGS1 – Plain with
1mm thick, 24
bonded 1mm spacers, Pk/2
sample
Casting base
4
Cooling Pack
Cables
VS20ICB
CSL-CAB
VS20DSYS
VS20-DGGE
VS20-DP – Dummy Plate
VS20NG - Notched, Pk/2
2 of VS20-24-1
VS20DCAST
VS20PGS1 – Plain with
1mm thick, 24
VS20DCASTM - Mat
bonded 1mm spacers, Pk/2
sample
VS20-DP – Dummy Plate
VS20NG - Notched, Pk/2
2 of VS20-24-1
VS20DCAST
VS20PGS1 – Plain with
1mm thick, 24
VS20DCASTM - Mat
bonded 1mm spacers, Pk/2
sample
VS20-DP – Dummy Plate
VS20ICB
CSL-CAB
VS20ICB
CSL-CAB
Heater Control
Gradient Mixer:
Unit:
CSL-GM 100
VS20ECON
VS20DCAST
VS20DCAST
VS20DCASTM - Mat
The packing lists should be referred to as soon as the units are received to ensure that all components
have been included. The unit should be checked for damage when received. Please contact your supplier
if there are any problems or missing items.
VS10WD, VS10WDSYS
Units include tank, lid, internal module and electrodes and include the following accessories:-
Glass Plates
Combs
Casting base
VS10WNG - Notched, Pk/2
2 of VS20-24-1
VS10WPGS1 – Plain with
1mm thick, 24
bonded 1mm spacers, Pk/2
sample
VS10W-DP – Dummy Plate
VS10WNG - Notched, Pk/2
2 of VS20-24-1
VS20DCAST
VS10WPGS1 – Plain with
1mm thick, 24
VS20DCASTM - Mat
bonded 1mm spacers, Pk/2
sample
Cooling
Cables
Pack
VS10WD
VS10WDSYS
VS20ICB
CSL-CAB
VS20ICB
CSL-CAB
VS10W-DP – Dummy Plate
VS20DCAST
VS20DCAST
VS20DCASTM - Mat
The packing lists should be referred to as soon as the units are received to ensure that all components
have been included. The unit should be checked for damage when received. Please contact your supplier
if there are any problems or missing items.
5
VS30D, VS30DSYS, VS30DCAST
Units include tank, lid, internal module and electrodes and include the following accessories:Glass Plates
Combs
Casting base
VS30NG - Notched, Pk/2
2 of VS30-1-1.5
VS30PGS1.5 – Plain with
1.5mm thick, 1
bonded 1.5mm spacers, Pk/2
sample
VS30-DP – Dummy Plate
VS30NG - Notched, Pk/2
2 of VS30-1-1.5
VS30DCAST
VS30PGS1.5 – Plain with
1.5mm thick, 1
VS30DCASTM - Mat
bonded 1.5mm spacers, Pk/2
sample
Cooling
Cables
Pack
VS30D
VS30DSYS
VS30ICB
CSL-CAB
VS30ICB
CSL-CAB
VS30-DP – Dummy Plate
VS30DCAST
VS30DCAST
VS30DCASTM - Mat
The packing lists should be referred to as soon as the units are received to ensure that all components
have been included. The unit should be checked for damage when received. Please contact your supplier
if there are any problems or missing items.
6
Care and Maintenance:Cleaning omniPAGE Units
Units are best cleaned using warm water and a mild detergent. Water at temperatures above 600 C can cause
damage to the unit and components.
The tank should be thoroughly rinsed with warm water or distilled water to prevent build up of salts but care
should be taken not to damage the enclosed electrode and vigorous cleaning is not necessary or advised.
Air drying is preferably before use.
The units should only be cleaned with the following:Warm water with a mild concentration of soap or other mild detergent.
Compatible detergents include dishwashing liquid, Hexane and Aliphatic hydrocarbons
The units should not be left to in detergents for more than 30 minutes.
The units should never come into contact with the following cleaning agents, these will cause irreversible
and accumulative damage:Acetone, Phenol, Chloroform, Carbon tetrachloride, Methanol, Ethanol, Isopropyl alcohol
Alkalis.
RNase Decontamination
This can be performed using the following protocol:Clean the units with a mild detergent as described above.
Wash with 3% hydrogen peroxide (H2O2) for 10 minutes.
Rinsed with 0.1% DEPC- (diethyl pyrocarbonate) treated distilled water,
Caution: DEPC is a suspected carcinogen. Always take the necessary precautions when using. RNaseZAP™
(Ambion) can also be used. Please consult the instructions for use with acrylic gel tanks.
7
Usage Guidance and restrictions:
• Maximum altitude 2,000m.
• Temperature range between 4°C and 65°C.
• Maximum relative humidity 80% for temperatures up to 31OC decreasing linearly to 50%
relative humidity at 40OC.
• Not for outdoor Use.
This apparatus is rated POLLUTION DEGREE 2 in accordance with IEC 664.
POLLUTION DEGREE 2, states that: “Normally only non-conductive pollution occurs.
Occasionally, however, a temporary conductivity caused by condensation must be expected”.
Setting up the omniPAGE Gel Tanks:Instructions for fitting Electrode Cables.
1. Note the position of the lid on the unit. This shows the correct polarity and the correct orientation of the
cables, black is negative and red positive.
2. Remove the lid from the unit. Note if the lid is not removed, fitting the cables may result in untightening of the gold plug and damage to the electrode.
3. Screw the cables into the tapped holes as fully as possible so that there is no gap between the lid and the
leading edge of the cable fitting.
4. Refit the lid.
The unit is now ready to be used.
8
Vertical Gel Casting Using the omniPAGE Gel Casting System:See page 12 for diagrams detailing the Mini vertical gel casting procedure.
1.
Clean a set of glass plates for each gel first with distilled water and then with 70 % ethanol. One set
of glass plates constitutes one notched glass plate and one plain glass plate with bonded spacers. When
using a triple glass plate sandwich, two notched glass plates are required, one set of free spacers and a set of
plain glass plates with bonded spacers. The plain glass plate is positioned outermost, then a notched glass
plate, free spacers and second notched glass plate. Alternatively, accessory notch glass plates with bonded
spacers are available. All glass plates, modules and casting base accessories must be completely dry
during set – up. Wet components are more likely to miss-align and cause leaks.
2.
Assemble the glass plates so that the bottom of the glass plates and the spacers are perfectly aligned.
For triple plate sandwiches, the free spacers need to be perfectly aligned which is best performed using a
small spacer or comb to push the spacers apart. Notched glass plates with bonded spacers do not need
manual alignment. NOTE: The glass plates with bonded spacers have an arrow in the top of the
spacers which are slightly longer than the glass plate to indicate the top.
3.
The Slab Gel Insert contains pressure bars which impart even pressure onto the glass plates and
allow even screw pressure transfer onto the sealing edge of the glass plate, ensuring complete sealing.
Ensure that the pressure bars are adequately open for the thickness of spacer used. The bar can be opened by
loosening the screws or by sliding the clamps. When using a triple glass plate sandwich, the pressure bars
will need to be in the completely open position.
4.
Position the Slab Gel Insert on a flat surface. Do not at this stage insert the Slab Gel Insert into
the casting base.
5.
Insert the glass plates into the Slab Gel Insert between the pressure bar and the blue gasket and fully
tighten the pressure bar screws in the order top then bottom. Fully tighten the screw for the Mini vertical and
the screws sequentially and in an even manner for the maxi vertical in the order middle two, top then
bottom, making sure not to wobble the unit. When using the Slide Clamp Mini version, simply slide both
gates outwards until fully tightened. When only one gel is being run, the dummy plate must be used in the
second position and fully tightened. At this stage, check that the bottom edges of the spacers and glass
plates are perfectly aligned.
9
6.
Position the Slab Gel Insert in the casting base such that the Cam pins have handles pointing
downwards and are located in the insert holes. The top of the GRM may need to be pushed down very
slightly to locate the cam pins.
With the cam pin handles facing directly downwards, turn the cam pins fully through 1800 or until the insert has
tightened onto the silicone mat. It is best to turn the cams in opposite directions to each other. Do not
overturn as this will cause the glass plates to push upwards and the assembly will be more likely to leak.
The unit is now ready for gel preparation and pouring
Always reverse the silicone mat after casting to avoid indentations from persisting. Never leave the
casting up-stand with glass plates tightened into the casting base for long periods of time as this
will also cause indentations in the silicone mat.
The slide clamp version CVS10 also includes screws. This system can be used either with the slide
clamps or screws as preferred by the user. For those that prefer to use the screws rather than
clamps, the screws can be simply inserted into the screw holes. The clamps can be removed by
placing each clamp in the fully open position and gently bending the clamp upwards from the
slanted end. The holding pin will then slowly release and the clamp can be removed.
VERTICAL GEL CASTING.
10
1) Put together bonded
spacer plain glass plate
with notched plate
2) Insert inside
pressure bar with
notched plate
innermost touching the
gasket and module on
a flat surface away
from the casting
base
A) SCREW VERSION OPTION
3A) Fully tighten
screws ensuring not
to wobble unit
4A) Insert into
casting base.
Push the cams
into the holes in
the insert. Turn
cams about 900
or until tight.
Do not over
tighten
B) SLIDING CLAMP VERSION OPTION
4B) Insert into
casting base.
Push the cams
into the holes in
the insert, turn
cams about 900
or until tight.
Do not over
tighten
3B) Fully Slide
Clamps tight
ensuring not to
wobble unit
5) Pour resolving gel
and allow to set. Then
stacking gel solution
and insert comb
6) Once set, transfer
to tank and fill inner
and outer chambers
with buffer
11
VERTICAL GEL CASTING WITH THE RE-ENGINEERED VS10W
1. Put together the bonded spacer
plain glass plate with the notched
glass plate facing innermost to
form a gel cassette.
Glass Plate
Stops
1.
2. Push back the glass plate stops
into the gel running module (2a.
& 2b.). This will allow the gel
cassette to be inserted from the
top of the gel running module,
which should be placed on a flat
bench surface (2c.). Tighten the
screws to secure the gel cassette
in position, and repeat steps 1 & 2
on the other side with the
remaining gel cassette.
2a.
2b.
2c.
3. Once the gel cassettes are
secured in an upright orientation
flush with the gel running module,
the glass plate stops should be
pushed through the gel running
module
so that they
are
positioned directly above both
glass plates comprising each gel
cassette.
4. Place the gel running module
containing the gel cassettes onto
the casting base. Push the cams
into the holes in the insert, and with
the
cams
pointing
downwards into the bench - turn
them through 90° or until they
become tight.
Do not
over titen.
Gel
Preparation:-
3.
90°
4.
5. Follow steps 5 and 6 as per page 12 of VERTICAL GEL CASTING.
12
1. It is always advisable to work using stock solutions which allow added convenience and save time when it
comes to gel pouring. Pages 17 and 18 list stock solutions for SDS PAGE gels which should be pre-made
beforehand. For native gel formulae and running conditions, please consult a laboratory manual. The protocol
below is given for use of the standard stock solutions advised. This should be adjusted if you are using different
stock solutions or gel formulas.
2. Table 1 below shows the total volume of gel solution required. In subsequent tables, amounts of gel and
solutions are given for two 1mm thick gels so adjustments are needed for when running single or more than two
gels and for 0.75, 1.5 or 2mm thick spacers.
Table 1.
omniPAGE Mini – VS10D, VS10DSYS
omniPAGE Maxi – VS20D, VS20DSYS
CVS10D, CVS10DSYS
Total Gel volume for a
VS10WD, VS10WDSYS
Total Gel volume for a
1mm thick gel.
1mm thick gel.
For different thicknesses of gel, multiple the below amounts by the spacer thickness. * multiply by 1.5
for VS30 gels
Single – one gel, one
dummy plate
Double – two gels
7.5ml
Single – one gel, one
VS20 35ml* VS10W
dummy plate
Double – two gels
17.5ml
VS20 70ml*
Using a Triple Plate
VS10W 35ml
VS20 140ml*
sandwich – four gels
VS10W 70ml
15ml
Using a Triple Plate
sandwich – four gels
30ml
Gel Selection:Care should be taken when selecting the pore size of the gel to be used.
The pore size or % of gel determines the resolving ability given different sizes of protein.
See Table 2 below which details which percentage of gel to use to separate the sizes of proteins indicated.
Table 2.
Acrylamide Percentage
Separating Resolution
5%
60 - 220 KD
7.5 %
30 - 120 KD
13
10 %
20 - 75 KD
12%
17 – 65 KD
15 %
15 -45 KD
17.5%
12 – 30 KD
3. Prepare gel solutions as per tables below. These give the volumes of solutions from the standard stock
solutions. These should be gently mixed avoiding generation of bubbles which will inhibit polymerization by
removing free radicals.
Table 3: Preparation of the separating gel solution for two 10 x 10cm (C)VS10D gels using 1 mm spacers.
Solution
5%
7.5%
10 %
12%
15 %
17.5%
Distilled Water
8.7ml
7.5ml
6.3ml
5.25ml
3.75ml
2.5ml
30 % Stock Acrylamide
2.5ml
3.75ml
5ml
6ml
7.5ml
8.75ml
3.75ml
3.75ml
3.75ml
3.75ml
3.75ml
3.75ml
150µl
150µl
150µl
150µl
150µl
150µl
Solution
4 X Resolving Tris
Solution
10 % Ammonium
Persulphate
Table 4: Preparation of the separating gel solution for two 20 x 20cm VS20D gels using 1 mm spacers.
Divide by two for VS10W gels. Multiply by 1.5 for VS30 gels
Solution
5%
7.5%
10 %
12%
15 %
17.5%
Distilled Water
41ml
35.25ml
29.6ml
24.7ml
17.6ml
11.7ml
17.6ml
23.5ml
28.2ml
35.25ml
41.1ml
17.6ml
17.6ml
17.6ml
17.6ml
17.6ml
17.6ml
700µl
700µl
700µl
700µl
700µl
700µl
30 % Stock Acrylamide 11.7ml
Solution
4 X Resolving Tris
Solution
10 % Ammonium
Persulphate
14
Gel Pouring:For gels with stacking layers:4. Insert the comb into the glass plates and mark a point on the glass plates 1cm below where the comb teeth finish.
This indicates where to add the resolving gel to.
5. Add 15µl of TEMED to the resolving gel solution for (C)VS10D sized gels, 35 µl for VS10W, 70µl for VS20D
and 105 µl for VS30D gels and mix well but avoid generating air bubbles.
6. Fill the glass plates again avoiding generating any air bubbles. Filling must be performed quickly before the
TEMED causes the gel to become too viscous.
7. Overlay the gel extremely carefully with 1 ml of Isobutanol, Isopropanol or distilled water. When using distilled
water extra care must be taken to ensure there is no mixing with the gel solution.
8. Let the resolving gel polymerize. Usually this takes around 15 minutes but this can vary due to the freshness of
the reagents used. If polymerization is taken a lot longer than this, use fresher stock solutions or add more APS
and TEMED.
9. Prepare the stacking gel using Table 5 below as a guide. Again stock solutions are given on pages 17 and 18.
Table 5.
Solution
(C)VS10D
VS10W
VS20D
VS30D
Distilled Water
4.2ml
8.4ml
16.8ml
25.2ml
30 % Stock Acrylamide Solution
0.65ml
1.3ml
2.6ml
3.9ml
4 X Stacking Gel Tris Solution
1.6ml
3.2ml
6.4ml
9.6ml
10 % Ammonium Persulphate
67µl
134 µl
268µl
10. Carefully mix the stacking gel solution, avoiding generating air bubbles.
11. Pour off the overlay liquid and rinse the gel with distilled water.
12. Add 6.7µl of TEMED to the stacking gel solution for VS10 gels. For VS10W gels add 13.4 µl, for VS20 gels
add 26.8µl and 40.2 µl for VS30 gels. Mix well. Use a Pasteur pipette to fill the glass plates up to the top with
stacking gel solution.
15
13. Carefully insert the comb making sure that no air bubbles get trapped under the ends of the comb teeth as these
will inhibit sample progression.
14. Allow the stacking gel polymerize for 30 minutes.
For gels without stacking layers:4. Add 15µl of TEMED to the resolving gel solution for (C)VS10D sized gels, 35 µl for VS10W, 70µl for VS20D
and 105 µl for VS30 gels and mix well but avoid generating air bubbles.
5. Fill the glass plates again avoiding generating any air bubbles. Filling must be performed quickly before the
TEMED causes the gel to become too viscous.
6. Carefully insert the comb making sure that no air bubbles get trapped under the ends of the comb teeth as these
will inhibit sample progression.
7. Let the gel polymerize. Usually this takes around 15 minutes but this can vary due to the freshness of the
reagents used. If polymerization is taken a lot longer than this, use fresher stock solutions or add more APS and
TEMED.
Preparation of denatured protein samples for loading:
The instructions given below are for denatured samples. For Native samples, please consult a laboratory handbook.
1. Prepare the protein samples for loading. The volume of sample depends on the capacity of the wells (See Comb
specifications pages 22 and 23).
2. Using a 0.5 ml micro-centrifuge tube or other convenient receptacle, combine the protein sample and 4 X sample
buffer. It is always advisable to use protein markers in one of the end lanes to indicate sizes of bands. These
should be prepared according to the manufacturers instructions.
3. Heat the samples in a water bath or heating block for 2 minutes to denature the samples.
4. Centrifuge the samples in a micro-centrifuge for 20 seconds at 12,000 rpm. The protein samples are now ready to
load.
16
Loading the samples:
1. If desired, fit the cooling pack(s) into the end of the tank. These should be pre-frozen and fitted with the longest
side positioned sideways with the end(s) of the tank and pressed into the recess. Or these can be fitted down the
front of the tank.
NEVER FIT THESE UNDERNEATH THE MODULE IN THE BOTTOM OF THE TANK AS THIS
WILL PREVENT THE FLOW OF CURRENT THROUGH THE GEL AND CAUSE SLOW RUNS
AND OVER-HEATING.
Note one pack is supplied as standard. Additional packs can be purchased.
2. Transfer the Inner gel module containing cast gels into the main tank in the correct orientation as indicated - +ve
on the module aligned with +ve on the tank, -ve on the module aligned with –ve on the tank.
3. Fill the outer tank with 1 x reservoir buffer. See page 22 for recommended running buffer solution. Table 6
shows the volume of buffer required.
4. Load the samples into the wells using a pipette tip taking care not to damage the wells or induce any air bubbles.
5. Fill any unused wells with 1 X sample buffer.
6. It is a good idea to note the orientation and order the samples were loaded in. This can be done by noting which
samples were loaded adjacent to each electrode.
17
Table 6.
Buffer Volume
(C)VS10D
VS20D,
VS10WD
VS30D
250ml
1.2Litres
500ml
1.8 Litres
Maximum – Inner tank is filled to above the wells. Outer Tank is
1200ml
5.6 Litres
filled to the maximum fill line. Cooling is high offering good
2.8 Litres
8.4 Litres
1000ml
4.6Litres
Minimum – Inner tank is filled to above the wells. Outer Tank is
filled to just flood the bottom of the glass plates. Cooling
potential is at a minimum which may affect resolution.
resolution of samples.
Using the cooling packs – Inner tank is filled to above the wells.
Cooling packs are inserted behind the gels. Outer Tank is filled to 2.3 Litres
the maximum fill line. Cooling is at a maximum.
6.9 Litres
Gel Running:
1. Fit the lid and connect to a power supply.
2. Consult Table 7, page 16 for details on recommended power supply voltage settings.
3. Turn the power supply off when the loading dye reaches the bottom of the gel, sooner if your proteins are below
4Kd in size.
4. Remove the gel running module, first emptying the inner buffer into the main tank. Buffer can be re-used but this
may affect run quality if continued.
5. Unscrew the glass plates and gently pry apart the glass plates. The gel will usually stick to one of the plates and
can be removed by first soaking in buffer and then gently lifting with a spatula.
6. The gel is now ready to be stained with Coomassie or silver stain or the proteins in the gel can be transferred to a
membrane by electroblotting for specific band identification and further analysis.
Table 7.
18
Recommended Voltages and Resultant Current
(C)VS10D,
VS20D
for 1mm thick, 12% gels.
VS10WD
VS30D
One gel
90-225V
120-250V
20-45mA
20-45mA
90-225V
120-250V
40-90mA
40-90mA
90-225V
120-250V
60-135mA
60-135mA
90-225V
120-250V
80-180mA
80-180mA
Two gels
Three gels
Four gels
Stock Solutions for SDS PAGE gels:Stock 30% Acrylamide Gel Solution:30.0 g acrylamide
0.8 g methylene bisacrylamide
Distilled Water to 100ml
Stock 4 X Resolving Gel Tris (1.5 M Tris.HCl pH8.8, 0.4 % SDS)
To 110ml Distilled Water add 36.4 g of Tris base
Add 8ml of 10 % SDS
Adjust pH to 8.8 with 1N HCl
Adjust the final volume to 200ml with Distilled Water.
Stock 4 X Stacking Tris (0.5 M Tris.HCL pH6.8, 0.4 % SDS)
To 110ml Distilled Water add 12.12 g of Tris base
Add 8ml of 10 % SDS
Adjust pH to 6.8 with 1N HCl
Add Distilled Water to a final volume of 200ml
19
Stock 4 X Tris-glycine tank buffer - SDS
36 g Tris base
172.8 g glycine
Distilled Water to 3 L
1 x Tris-glycine tank buffer - SDS
750ml of 4 X Tris-glycine reservoir buffer - SDS
30ml of 10 % SDS
Distilled Water to 3L
10 % AP (ammonium persulphate solution)
0.1 g ammonium persulphate
1ml Distilled Water
TEMED
Stock 4 X Sample Buffer
4ml glycerol
2ml 2-mercaptoethanol
1.2 g SDS
5ml 4 X Stacking Tris
0.03 g Bromophenol blue
Aliquot into 1.5ml microcentrifuge tubes. Store at -20°C.
References:1. Sambrook, Fritsch, and Maniatis, Molecular Cloning A Laboratory Manual, Second Edition,
20
Cold Spring Harbor Laboratory Press, 1989.
2. Current Protocols in Molecular Biology, Greene Publishing Associates and Wiley-Interscience,1989.
21
VS20-DGGE Instructions
SPECIFICATIONS:
Control Unit:
Size: 80 x 96 x 140mm ( H x W x D)
Mains Supply. 220 - 240V a/c. 50 - 60Hz
Mains Fuse. 5 Amp.
Input Fuse. 500mA, 240V Antisurge.
Output Voltage. 240 Volts.
Temperature Control Range. 0 - 200°C.
Controller Accuracy. +/- 2%.
Weight. 1.5Kg.
VS20-DGGE Tank:
2x 250w Heating Elements
1x PT100 Thermocouple
Instructions:Installation and Operation of the VS20-DGGE heating system
A. Installation
1. Connect the heating element plug into the socket at the rear of the control unit.
2. Connect the PT100 temperature sensing probe plug at the rear of the control unit.
3. Ensure the temperature dial is set to zero.
4. Connect the mains cable socket to the rear of the control unit then connect to an external power source.
*CAUTION*
Do not attempt to apply temperature to the tank without any buffer present.
22
B. Using the Heating Controller
1. Fill the tank with buffer to the required level.
2. Ensure all the leads are connected in the correct positions as highlighted on the instructions page on
page 8.
3. Switch on the control unit to the rear of the unit and ensure that the red power light illuminates.
4. Turn the dial on the front of the control unit to the required temperature. The small red light will
illuminate indicating the elements are switched on.
5. The heaters will remain on until the desired temperature has been reached, at which point the unit will
switch on and off to maintain that temperature.
6. To obtain an accurate temperature of the buffer, it may be advisable to attach a temperature strip panel
to the front of the tank.
C. Safety Considerations:
Should the sensor develop a fault or become disconnected the heaters will automatically switch off so
safeguarding against gel overheating.
To replace a fuse isolate on the control unit from the mains supply and open the fuse holder with a screwdriver
blade. The holder contains two fuses.
Always use the recommended fuse and NEVER replace it with one of a different rating.
Combs:–
MC Denotes Multi Channel Pipette compatible. (C)VS10D:Code
Description
Sample Volume µl for a
23
VS10-1-0.75
VS10-5-0.75
VS10-8-0.75MC
VS10-9-0.75
VS10-10-0.75
VS10-12-0.75
VS10-16-0.75MC
VS10-20-0.75
VS10-1-1
VS10-5-1
VS10-8-1MC
VS10-9-1
VS10-10-1
VS10-12-1
VS10-16-1MC
VS10-20-1
VS10-1-1.5
VS10-5-1.5
VS10-8-1.5MC
VS10-9-1.5
VS10-10-1.5
VS10-12-1.5
VS10-16-1.5MC
VS10-20-1.5
VS10-1-2
VS10-5-2
VS10-8-2MC
VS10-9-2
VS10-10-2
VS10-12-2
VS10-16-2MC
VS10-20-2
5mm thick gel
500
70
40
35
30
25
20
15
650
100
60
50
40
35
25
20
1000
140
80
70
30
50
40
30
1300
200
120
100
80
70
50
40
Comb 1 Prep, 1 Marker, 0.75mm thick
Comb 5 sample, 0.75mm thick
Comb 8 sample MC, 0.75mm thick
Comb 9 sample, 0.75mm thick
Comb 10 sample, 0.75mm thick
Comb 12 sample, 0.75mm thick
Comb 16 sample MC, 0.75mm thick
Comb 20 sample, 0.75mm thick
Comb 1 Prep, 1 Marker, 1mm thick
Comb 5 sample, 1mm thick
Comb 8 sample MC, 1mm thick
Comb 9 sample, 1mm thick
Comb 10 sample, 1mm thick
Comb 12 sample, 1mm thick
Comb 16 sample MC, 1mm thick
Comb 20 sample, 1mm thick
Comb 1 Prep, 1 Marker, 1.5mm thick
Comb 5 sample, 1.5mm thick
Comb 8 sample MC, 1.5mm thick
Comb 9 sample, 1.5mm thick
Comb 10 sample, 1.5mm thick
Comb 12 sample, 1.5mm thick
Comb 16 sample MC, 1.5mm thick
Comb 20 sample, 1.5mm thick
Comb 1 Prep, 1 Marker, 2mm thick
Comb 5 sample, 2mm thick
Comb 8 sample MC, 2mm thick
Comb 9 sample, 2mm thick
Comb 10 sample, 2mm thick
Comb 12 sample, 2mm thick
Comb 16 sample MC, 2mm thick
Comb 20 sample, 2mm thick
24
VS20D, VS10WD:Sample Volume µl for a
Code
Description
VS20-1-0.75
VS20-5-0.75
VS20-10-0.75
VS20-18-0.75MC
VS20-24-0.75
VS20-30-0.75
VS20-36-0.75MC
VS20-48-0.75
VS20-1-1
VS20-5-1
VS20-10-1
VS20-18-1MC
VS20-24-1
VS20-30-1
VS20-36-1MC
VS20-48-1
VS20-1-1.5
VS20-5-1.5
VS20-10-1.5
VS20-18-1.5MC
VS20-24-1.5
VS20-30-1.5
VS20-36-1.5MC
VS20-48-1.5
VS20-1-2
VS20-5-2
VS20-10-2
VS20-18-2MC
VS20-24-2
VS20-30-2
VS20-36-2MC
VS20-48-2
Comb 1 Prep, 1 Marker, 0.75mm thick
Comb 5 sample, 0.75mm thick
Comb 10 sample, 0.75mm thick
Comb 18 sample MC, 0.75mm thick
Comb 24 sample, 0.75mm thick
Comb 30 sample, 0.75mm thick
Comb 36 sample MC, 0.75mm thick
Comb 48 sample, 0.75mm thick
Comb 1 Prep, 1 Marker, 1mm thick
Comb 5 sample, 1mm thick
Comb 10 sample, 1mm thick
Comb 18 sample, 1mm thick
Comb 24 sample, 1mm thick
Comb 30 sample, 1mm thick
Comb 36 sample MC, 1mm thick
Comb 48 sample, 1mm thick
Comb 1 Prep, 1 Marker, 1.5mm thick
Comb 5 sample, 1.5mm thick
Comb 10 sample, 1.5mm thick
Comb 18 sample, 1.5mm thick
Comb 24 sample, 1.5mm thick
Comb 30 sample, 1.5mm thick
Comb 36 sample MC, 1.5mm thick
Comb 48 sample, 1.5mm thick
Comb 1 Prep, 1 Marker, 2mm thick
Comb 5 sample, 2mm thick
Comb 10 sample, 2mm thick
Comb 18 sample, 2mm thick
Comb 24 sample, 2mm thick
Comb 30 sample, 2mm thick
Comb 36 sample MC, 2mm thick
Comb 48 sample, 2mm thick
5mm thick gel
1100
160
80
40
30
25
20
15
1500
200
100
50
40
35
25
20
2200
320
160
80
60
50
40
30
3000
400
200
100
80
70
50
40
25
VS30D:Sample Volume µl for a
Code
Description
5mm thick gel
VS30-1-1
VS30-2-1
VS30-4-1
VS30-28-1MC
VS30-56-1MC
VS30-75-1.5
VS30-1-1.5
VS30-2-1.5
VS30-4-1.5
VS30-28-1.5MC
VS30-56-1.5MC
VS30-75-1.5
Comb 1 Prep, 1 Marker, 1mm thick
Comb 2 sample, 1mm thick
Comb 4 sample, 1mm thick
Comb 28 sample, 1mm thick MC compatible
Comb 56 sample, 1mm thick MC compatible
Comb 75 sample, 1mm thick
Comb 1 Prep, 1 Marker, 1.5mm thick
Comb 2 sample, 1.5mm thick
Comb 4 sample, 1.5mm thick
Comb 28 sample, 1.5mm thick MC compatible
Comb 56 sample, 1.5mm thick MC compatible
Comb 75 sample, 1.5mm thick
Other combs available on request.
26
2250
1125
550
80
40
25
3375
1680
825
120
60
37
NOTES
27
NOTES
28
NOTES
29
Warranty
The Cleaver Scientific Ltd. (CSL) Electrophoresis units have a warranty against manufacturing and material
faults of twelve months from date of customer receipt.
If any defects occur during this warranty period, CSL will repair or replace the defective parts free of charge.
This warranty does not cover defects occurring by accident or misuse or defects caused by improper operation.
Units where repair or modification has been performed by anyone other than CSL or an appointed distributor or
representative are no longer under warranty from the time the unit was modified.
Units which have accessories or repaired parts not supplied by CSL or its associated distributors have
invalidated warranty.
CSL cannot repair or replace free of charge units where improper solutions or chemicals have been used. For a
list of these please see the Care and Maintenance subsection.
If a problem does occur then please contact your supplier or CSL on:Cleaver Scientific Ltd.
Unit 4 Triton Park
Swift Valley
Brownsover Road
Rugby
CV21 1SG
Tel: +44 (0)1788 565300
Fax: +44 (0)1788 552822
Email: [email protected]
30
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