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. 2010 Nov 5;10(11):9963–9981. doi: 10.3390/s101109963

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© 2010 by the authors; licensee MDPI, 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 7. — The response of a formaldehyde biosensor fabricated from poly(HEMA) film as an enzyme immobilization matrix towards various concentrations of formaldehyde in 10 mM Tris-HCl buffer at pH 6.5.