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Université de Fribourg

Interplay between internal structure and optical properties of thermosensitive nanogels

Ledesma-Motolinía, Mónica ; Braibanti, Marco ; Rojas-Ochoa, Luis F. ; Haro-Pérez, Catalina

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2015, vol. 482, p. 724–727

The structural and optical properties of thermosensitive particles, nanogels, are studied by light scattering and refractometry as a function of temperature. Nanogels are composed of poly- N-Isopropopylacrylamide, a polymer that shrinks at temperatures higher than its lower critical solution temperature, 33 °C. The internal nanogel structure obtained by light scattering is well modeled by...