Figure 6 | Scientific Reports

Figure 6

From: Influence of nanoparticle encapsulation and encoding on the surface chemistry of polymer carrier beads

Figure 6

Quantification of the total and accessible amount of COOH groups on unstained and QD-loaded PSMPs (polymerization (here synthesis) and swelling procedure), using conductometry and optical assays with TBO and the cleavable reporter N-APPA. Both photometrically readout reporter molecules differ in size, shape, and steric demand with respect to the surface area and FGs to be detected.

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