BIO RAD BioLogic LP Quick Start Tutorial

Brand
BIO RAD
Model
BioLogic LP
Type
Quick Start Tutorial
The BioLogic LP Starter Kit (Catalog # 731-8350) allows separation of a standard anion exchange mixture using the Econo Pac High Q
cartridge. Cabling and plumbing, platen adjustment, UV setup, and conductivity min and max settings are to be completed prior to
programming; instructions can be found in the BioLogic LP Starter Kit Instruction Manual, page 3–9. The illustrations below show the
suggested cabling and tubing connections for the BioLogic LP system.
BioLogic LP Quick Start Tutorial
AB
C
ED
BUFFERS
B AND A
PROPORTIONING VALVE
AND MIXER MODULE
MODEL EM-1
UV OPTICS MODULE
MIXER
AB
MODEL 1327
CHART RECORDER
SYSTEM CABLE 2 SYSTEM CABLE 4
SYSTEM CABLE 15
SYSTEM CABLE 3 OR 2128 VALVE CABLE
SYSTEM CABLE 1
PROPORTIONING VALVE
AND MIXER MODULE
SV-5
BUFFER
SELECT VALVE
SV-5
BUFFER
SELECT VALVE
BIOLOGIC LP
CONTROLLER
BIOLOGIC LP
CONTROLLER
MIXER
AB
MODEL EM-1
UV OPTICS MODULE
SV-3
DIVERTER VALVE FOR
2110 FRACTION COLLECTOR
SYSTEM CABLING
SYSTEM TUBING
CONDUCTIVITY
FLOW CELL
CONDUCTIVITY
FLOW CELL
MV-6
INJECT
VALVE
SAMPLE LOOP
WASTE
INJECT
PORT
COLUMN
COLLECT TO MODEL 2110
FRACTION COLLECTOR
OR
COLLECT TO MODEL 2128
FRACTION COLECTOR
MODEL 2110
FRACTION COLLECTOR
OR
MODEL 2128
FRACTION COLECTOR
FILL
SV-3
DIVERTER
VALVE
SV-3
WASTE
COMMON
1. Buffer and Sample Preparation.
a. Buffer “A”: Empty the contents of the bottle labeled Buffer “A” into a 500 ml graduated cylinder. Add degassed, deion-
ized water to 500 ml volume. Stir briefly. Label container as Buffer “A”.
b. Buffer “B”: Prepare Buffer “B” and label container as described above.
c. Sample: Dissolve the anion exchange standard in Buffer “A” using the syringe to measure 6.5 ml of buffer into the bottle
of protein standards. Replace the stopper and shake gently to dissolve.
2. Press the Program mode key; select New Method.
3. Select Time programming mode.
4. Program the Pump.
a. Press ADD.
b. Select Buffer “A” with the Previous/Next keys; press OK.
c. Enter the step length of 1 minutes; press OK.
d. Enter flow rate of 3.0 ml/min; press OK.
e. You have now entered the first step of the method (Buffer “A”, step length of 1 minute, flow rate of 3.0 ml/min.) Enter the
remaining steps.
Step 2. Gradient 0% to 50% “B”, step length 5 minutes, flow rate 3.0 ml/minute.
Step 3. Buffer “B”, step length 3 minutes, flow rate 3.0 ml/minute.
Step 4. Buffer “A”, step length 3 minutes, flow rate 3.0 ml/minute.
f. After entering Step 4; press OK.
5. Set the Alarm.
a. Press the Alarm soft key.
b. Press ADD.
c. Enter a time of 1 minute for Alarm 1 and check that Hold Methods is set to NO.
d. Press OK twice.
The alarm sounds after 1 minute to remind you to turn the valve back to the load position. If left in the Inject position, the
gradient will flow through the loop first instead of going directly to the column.
6. Enter the fraction collector program.
a. Press the Frac Coll soft key.
b. Select ALL.
c. Enter a fraction size of 0.5 minute.
d. Press OK twice, then select DONE.
e. Press SAVE, name the method “DEMO 1”, and press DONE.
7. Load Sample loop with protein standard.
a. Turn the MV-6 Injector valve knob counter-clockwise as far as it will go.
b. Draw 2 ml of the protein standard mixture into the syringe.
c. Insert the syringe in the top port of the MV-6 injector valve, and fill the sample loop. Leave the syringe in the port when
you have injected the sample — this prevents the sample from siphoning out of the loop.
8. Start Method.
a. Press the Run mode key. The system will count down 10 seconds, then start the method.
b. When the method starts, turn the injector valve knob to the right as far as it will go. When the alarm sounds, turn the valve
knob to the left.
c. If you are using a Bio-Rad 2128 fraction collector, press “Park”, then “Yes” when method is complete.
-0.50
0 4 6 8 10 12
1
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
0
10
20
30
40
50
60
70
80
90
100
Column: Econo Pac High Q Cartridge (Catalog #732-0028)
Buffer A: 25 mM Tris HCI, pH 8.1
Buffer B: 25 mM Tris HCI, pH 8.1 + 0.5 M NaCI
Standard: Anion Exchange Std. (Catalog #125-0561)
Equine myoglobin is not retained on the column —
it elutes in the void volume (first peak). The remaining
three proteins bind to the column and elute separately
as the salt concentration increases.
A.U x1.E-2
mS/cm
TIME (MINUTES)
RUN CONDITIONS
2 3 4 5 6 7 8 9 10 11 12
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BIO RAD BioLogic LP Quick Start Tutorial

Brand
BIO RAD
Model
BioLogic LP
Type
Quick Start Tutorial
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