Xu CX, Tang XJ, Niu Z, Li ZM. Studies of adsorbents for hemoperfusion in artificial liver support. I. Preparation and in vitro studies of cross-linked agarose beads entrapped activated charcoal (CAAC).
Int J Artif Organs 1981;
4:200-4. [PMID:
7327762]
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Abstract
A new method for the preparation of the cross-linked agarose beads entrapped activated charcoal (CAAC) is reported. Since the agarose-encapsulated adsorbents reported elsewhere cannot stand high temperature for sterilization, the CAAC has the advantage of thermal stability to withstand autoclave at 121 degrees C. for 1/2 hour without breaking up or melting. A further advantage of CAAC is that the adsorbent has a much better consistency with good mechanical strength and elasticity, so that it can be formed into beads of a diameter less than 1 mm. This will not only give a better adsorption capacity than larger beads, but can also assure a better blood flow than soft beads which usually interfere in hemoperfusion due to compacting and sludging. Preliminary investigations indicate that the CAAC is relatively hemocompatible.
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