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. 2009 Jun 12;9(6):4635–4648. doi: 10.3390/s90604635

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© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 2. — Nitrogen adsorption and desorption isotherms of SBA-15 before (●) and after (▲) the immobilization of HRP. Inset indicated the pore size distribution of SBA-15 (●) and SBA-15(HRP) (▲).