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. 2010 Nov 3;10(11):9872–9890. doi: 10.3390/s101109872

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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 8. — Current response of [Fe(CN)₆]^−3/−4 probe in the presence of DNA aptamer to10 nM 17α-ethynlestradiol, estrone, naphthalene and 17β-estradiol respectively.