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. 2013 Oct 9;8(10):e77043. doi: 10.1371/journal.pone.0077043

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© 2013 Balachandran et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Time dependent UV-Vis absorbance spectra and zeta (HDD and ζ potential value) measurements of pectin Ag NPs dispersed in different media. Pectin Ag NPs dispersed in (a-b; e-f) NaCl, (c-d; g-h) NaNO₃, (i-j; m-n) BSA, (k; o) pH 7 and (l; p) pH 9.