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. 2008 Oct 22;13(10):2608–2627. doi: 10.3390/molecules13102608

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© 2008 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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SER spectral response as a function of 5-FU concentration (0.01 μg/mL is lowest point). Conditions: 100 mW of 785 nm, 3 min. Error is ~ 20% RSD, 18% shown for 1 μg/mL.