The manuscripts / papers listed below seem useful. Please be aware of toxicity of the silver nanoparticles (why you dont use non-toxic drug carriers?).
Synthesis and bioactivities of silver nanoparticles capped with 5-Amino
Keywords. Synthesis; Gold nanoparticles; Silver nanoparticles; Applications ..... Side effects of conventional drugs have been minimized by conjugation with gold ...
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Biodirected synthesis of Miconazole-conjugated bacterial silver ...
There are various ways to conjugate or encapsulate drug to silver nanoparticles; it depends upon the surface coating. You have capped silver nanoparticles with some polymer or small molecules?