Figure 3: (a-d) TEM photograph of (a)PVA, (b) PVA/P(0.5 AAm-co -0.5 NIPAm) (mol:mol%), (c) PVA/P(0.1 AAm-co -0.9 NIPAm) (mol:mol%) and (d) PVA/P(0.9 AAm-co -0.1NIPAm) (mol:mol%) nanogels. (e) Study the interior morphology of PVA/P(AAm-co-NIPAm).