Cadmium chloride (CdCl2), 3-mercaptoundecanoic acid (MPA), sodium citrate dihydrate sodium borohydride (Na2BH4), l-ethyl-3-(3-(dimethylamino)propyl) carbodiimide (EDC), Triton X-100, 2′,7′-dichlorofluorescein (H2DCF), sodium phosphate monohydrate, AlamarBlue and melittin were obtained from Sigma-Aldrich. Sodium hydroxide (NaOH) was obtained from Acros Organic. Sodium tellurite was obtained from Alfa Aeser. Tris buffer was obtained from AppliChem. Aqua (sterile water) was obtained from BBraun. Mueller Hinton Broth (MHB) was obtained from BD Difco. EDTA-blood was either drawn fresh every day of assay from an approved volunteer or purchased from Innovative Research, Inc. (Michigan, U.S.). E. coli (Strain ATCC25922) cells were purchased from the Leibniz-Institute DSMZ. Poly(oxanorbornenes) (PONs) were synthesized and characterized as reported previously (see SI for details).21 (link),23 (link) An Ultrathin LED Light Panel (Neutral White) was purchased from Environmental Lights, San Diego, CA.