Interesting article on nanofibers recently. The link that you provided had a interesting explanation:
"The scientists transformed PET into completely new antifungal molecules using a hydrogen-bonding process that causes them to self-assemble.
The researchers explain that the way these molecules stick together is "like molecular velcro in a polymer-like fashion to form nanofibers." They note that this process is important because the antifungal agents only work in their "fiber or polymer-like form."
I saw a product that is using a type of "polymer" for vaginal PH/odor. The product is rephresh and contains polycarbophil which they describe as a polymer type . Looks like some companies are using these polymer like substances as an anti-fungal( more of a ph-reducing) application.