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. 2006 Jun 21;34(10):e75. doi: 10.1093/nar/gkl364

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© 2006 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commerical use, distribution, and reproduction in any medium, provided the original work is properly cited.

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XPS survey spectra of (A) NTA modified Au electrode, (B) Ni-NTA (curve a), MutS-Ni-NTA (curve b) and DNA-MutS-Ni-NTA (curve c) modified Au electrodes (C) P2p peak obtained after DNA interaction with a protein immobilized Ni-NTA surface.