Journal
BIOMATERIALS
Volume 27, Issue 34, Pages 5755-5762Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2006.07.019
Keywords
carbon; protein adsorption; adsorption; cytokine
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Porous carbons can be used for the purification of various bio-fluids, including the cleansing blood of inflammatory mediators in conditions such as sepsis or auto-immune diseases. Here we show that the control of pore size in carbons is a key factor to achieving efficient removal of cytokines. In particular, the surface area accessible by the protein governs the rate and effectiveness of the adsorption process. We demonstrate that novel mesoporous carbon materials synthesized from ternary MAX-phase carbides can be optimized for efficient adsorption of large inflammatory proteins. The synthesized carbons, having tunable pore size with a large volume of slit-shaped mesopores, outperformed all other materials or methods in terms of efficiency of TNF-alpha removal and the results are comparable only with highly specific anti body-antigen interactions. (c) 2006 Elsevier Ltd. All rights reserved.
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