Anti-bacterial silver nanoparticle Artemisia vulgaris Bio-based foams Bioflex Escherichia coli GC-MS H2O2 bleaching treatment HSQC-NMR Hatscheck process Microbial nutrient ONP fibers PHA PHBV Peptone SAXS Solanyl Staphylococcus aureus T1-995 TA1-2040 TEMPO oxidation TiO2 anatase UV light WAXS X-ray diffraction adsorption adsorption capacity alginate sponge alkali lignin anionic surfactants antifouling