Research Article

A Novel Hierarchical Structured Poly(lactic acid)/Titania Fibrous Membrane with Excellent Antibacterial Activity and Air Filtration Performance

Figure 7

SEM-EDX spectra of the PLA/TiO2 fibrous membranes loaded with 1.75 wt% TiO2 NPs fabricated under various relative humidities: (a) 15%, (b) 30%, (c) 45%, and (d) 60%. The inset tables are the corresponding atomic ratio and weight ratio of the detected elements.
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