Figure 4.

(A) Schematic of NP PEGylation using Tz-NB click chemistry. (B) Confocal image of Cy5-PEGylated NPs entrapped in a hydrogel (Scale: 200 μm). (C) SEM images of PEG8NB-DTT hydrogel without (C) or with (D) layered NPs (Scales: 1 μm). (E) Shear Modulus on PEG8NB-DTT hydrogels with or without NPs. (F) Lysozyme loading of PEG8NB-DTT hydrogels with or without NPs.