Is it possible to functionalize the metal nanoparticles through green routes in such a way that the surface charge will become positive?
Generally, amines extracted from plants can be added to the synthesized metal nanoparticles following green route, which may confer positive charge on NPs.
Sometime the charge of the reducing agent influence the charge of NPs especially in case of Green-synthesized metallic NPs.
Thanks Mr. Pokhrel and Shakti for your answers. But the concern is that is it possible to isolate positive charged amines or proteins from plant leaf extract?
Please go through my recent accepted review on nanoparticles in Coordination Chemistry Reviews
You can try using proteins whose isoelectric points are above 7 for stabilizing the nanoparticles. There are chances that when the protein binds to the metal surface its surface charge might change but still I think you can give a chance.
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