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. 2014 Jan 21;9(1):e86785. doi: 10.1371/journal.pone.0086785

Figure 4. Structural stability of HRP encapsulated in agarose-alginate hybrid gels.

Figure 4

ANS fluorescence intensities (in arbitrary units) for HRP encapsulated in agarose-alginate hybrid gels exposed to 35% ethanol – (a) 0.5% agarose (gray) and (b) 2% agarose (black) containing 0% (circles), 0.25% (squares), or 0.5% (triangles) alginate. Fluorescence intensities for the agarose-alginate-protein formulations are reported after subtraction of the spectra of the corresponding agarose-alginate gels containing no enzyme.