Polyaniline (PANI) nanorods grown on layered porous graphitic carbon nitride (porous g-C 3 N 4 ) sheets (porous g-C 3 N 4 /PANI) were successfully synthesized by interfacial polymerization of aniline monomers in the presence of porous g-C 3 N 4 sheets. The experimental results suggest that porous g-C 3 N 4 obtained a good dispersion with intercalated and exfoliated nanostructure and interfacial adhesion in PANI, which improved the thermal stability and photocatalytic activity of the porous g-C 3 N 4 / PANI composites.

Inflammatory arthritis is an inflammatory disease that involves the joints and surrounding tissues. Synovial hyperplasia often presents when joints become inflamed due to immune cell infiltration. Synovial membrane is an important as well as a highly specific component of the joint, and its lesions can lead to degeneration of the joint surface, causing pain and joint disability or affecting the patients’ quality of life in severe cases. Synovial macrophages (SMs) are one of the cellular components of the synovial membrane, which not only retain the function of macrophages to engulf foreign bodies in the joint cavity, but also interact with synovial fibroblasts (SFs), T cells, B cells, and other inflammatory cells to promote the production of a variety of pro-inflammatory cytokines and chemokines, such as TNF-α, IL-1β, IL-8, and IL-6, which are involved in the pathogenic process of inflammatory arthritis. SMs from different tissue sources have differently differentiated potentials and functional expressions. This article provides a summary on studies pertaining to SMs in inflammatory arthritis, and explores their role in its treatment, in order to highlight novel treatment modalities for the disease.

Polyaniline (PANI) was successfully loaded on porous graphitic carbon nitride (porous g-C 3 N 4 ) by interfacial polymerization of aniline monomers. The structure, morphology and properties of the prepared samples were characterized by XRD, FTIR, SEM, TGA, UV-Vis and Electrochemical Impedance Spectroscope (EIS).Photocatalytic degradation of methylene blue was investigated to determine the photoactivity of the catalyst. The porous g-C 3 N 4 showed good dispersion and interfacial adhesion to PANI, which improved the photocatalytic degradation of methylene blue and thermal stability. The improved photocatalytic activity could be attributed to the improved visible light utilization, oxidation power and electron transport property.