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. Author manuscript; available in PMC: 2009 Oct 19.
Published in final edited form as: Anal Biochem. 2004 Jul 1;330(1):81–86. doi: 10.1016/j.ab.2004.04.001

Fig. 4.

Fig. 4

Absorbance spectra of particles 1, 2, and 3 in 0.5 M KCl buffer solution after 1 h for aggregation. Their absorbance maxima are at 450, 425, and 396 nm, respectively.