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Bio-Rad UNOsphere™ Rapid S Media User Manual

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Section 4
Preparing a Cartridge For
Use

Bio-Scale™ Mini UNOsphere™ cartridges contain
20% ethanol v/v as the storage solution. The fully
hydrated support is ready to use after equilibrating
the cartridge in the buffer of choice. To perform a
buffer exchange, connect the cartridge to a liquid
chromatography system or peristaltic pump and
condition it as instructed below:

1. Set pump flow rate to 3.0 ml/min (731 cm/hr) for

the 1 ml cartridge or 6.0 ml/min (288 cm/hr) for
the 5 ml cartridge.

2. Wash the cartridge with degassed low-salt buffer

for 2 min.

3. Wash the cartridge with degassed high-salt

buffer for 5 min.

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