Daniel:Protocols/AmiconUltra
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Amicon Ultra Centrifugal Filters
Amicon Ultra Centrifugal filters are microcentrifuge filters that allow you to purify and buffer exchange various MW cutoff biomacromolecules. They use a MW cutoff filter, say 10 kDa, to allow dialysate through while not passing the biomacromolecules. They can be used for buffer exchange via the following general protocol: