How can I conjugate the ZnO NPs with Rhodamine B?

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Sebastian Requena

How about functionalizing the ZnO NP's with an aminosilane like (3-Aminopropyl)triethoxysilane and using an amine reactive rhodamine?

Behnaz Ghaemi

Thank you for your answer, but i look for a methods that make me possible to attach the Rhodamine B on the surface of bare ZnO NPs.

Ah, I see. If you have a lot of hydroxyl groups on the surface of your ZnO, then just rhodamine with an active ester should be able to hydrolyze and bind to the surface.

Thank you!