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. 2012 Mar 7;13(3):3038–3072. doi: 10.3390/ijms13033038

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© 2012 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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ESI-Mass spectra of 4.0 μM freshly dissolved Aβ_1-40 (a and c), freshly dissolved Aβ_1-40Met35(O) (b and d), Aβ_1-40 and Aβ_1-40Met35(O) incubated for 41 min (e and f), and Aβ_1-40 and Aβ_1-40Met35(O) incubated for >95 min (g and h). Aβ_1-40 samples were dissolved in H₂O and Aβ_1-40Met35(O) samples were dissolved in H₂O and 2.7% H₂O₂. Reprinted with permission from [98]. Copyright (2002) The American Society for Biochemistry and Molecular Biology.