Polymer-Protein nanoparticles not only contain the traditional properties of nanoparticles, but also have their own unique properties based on the properties of specific proteins. Because they are proteinaceous, they have high biocompatibility, biodegradability and biofunctionality.  Protein-polymer bioconjugates which is the building block of Polymer-Protein hybrids exhibit a unique array of properties such as:  light-switching effects, acoustic signal capture, thermal energy transfer, and magnetic signal response.