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Remove tape

Remove comb

Reference line  

to monitor run

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R

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Align arrow on the 

cassette with arrow 

on the opening lever

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B

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Opening the Cassette

Preparing the Cassette

Running the Gel 

Instructions for Using Mini-PROTEAN Precast Gels

1.   Remove  Comb:

 Position thumb on indentation 

(middle of comb) and remove comb by pulling 

upward in one smooth motion.

2. 

 

Remove Tape:

 Pull the green tape gently to 

remove it from the bottom of the cassette.

3.  Assemble Mini-PROTEAN Tetra Cell:

 

Assemble the cassette into the running module 

of the Mini-PROTEAN Tetra system. Add 

running buffer to the inner and outer chambers. 

Use a syringe or a disposable transfer pipet to 

rinse the wells with running buffer.

4.  Run Gel:

 Prepare the samples and load 

into the wells. If using Bio-Rad Precision 

Plus Protein

 standards, load 10 µl (5 µl 

for Precision Plus Protein

 WesternC

 

standards). Run the gel until the dye front 

reaches the reference line. Refer to the 

instruction manual (#1658100) for more 

information on running conditions. At the 

completion of the run, disconnect the cell  

and remove the cassette.

5.  Open Cassette:

 Align the arrow on the 

opening lever (catalog #456-0000) with the 

arrows marked on the cassette. Insert the 

lever between the cassette plates at the 

indicated locations and apply downward 

pressure to break the seal. Gently pull apart 

the two plates beginning from the  top of 

the cassette. 

Note:

 Opening lever is 100% 

aluminum and recyclable.

6.  Remove Gel:

 Gently remove the gel from  

the cassette.

Please note:

 when running 1–2 gels in the  

Mini-PROTEAN Tetra cell, do not leave the 

companion module in the tank; do not run 

different gel types (chemistries) or percentages  

at the same time.

ELECTROPHORESIS

Mini-PROTEAN

®

 Precast Gels

Quick Start Guide

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