Fig. 1From: Polyaniline-based 3D network structure promotes entrapment and detection of drug-resistant bacteriaa Scheme of NPA and b–d SEM images of the top and cross-section of NPA. e Scheme of 3D HPN and f–h SEM images of the top and cross-section of 3D HPN. i Photograph of 3D HPN. j FTIR spectrum of 3D HPN and NPA. k Enlarged FTIR spectrum with characteristic peaks of polyaniline from 2000 to 750 cm−1Back to article page