Emerging poly(Ani-co-Py)/Bi2O3/AgI composites for antibacterial and antioxidant applications

IF 2.6 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Polyhedron Pub Date : 2025-02-01 Epub Date: 2024-12-01 DOI:10.1016/j.poly.2024.117346

Mohammad Mizanur Rahman Khan , Mohammad Riaz Hosen Shohag , Mohammad Shahadat Hossain Chowdhury , Md Sultan Mahmud Rony , Shaikh Jamal Uddin , Mobinul Islam , Jae-Ho Jeong

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Abstract

Poly(Ani-co-Py) was synthesized using aniline (Ani) and pyrrole (Py) and its composites poly(Ani-co-Py)/Bi₂O₃/AgI composites were fabricated with the extent of Bi₂O₃ and AgI maintaining 5 to 15 wt% ratio. FESEM analysis displayed that the freshly prepared copolymers and composites exhibited aggregated and spherical-shaped morphology with diameter 200–300 nm and 50–300 nm, respectively. The EDS data revealed the incorporation of both Bi₂O₃ and AgI in the composite samples. These poly(Ani-co-Py) and poly(Ani-co-Py)/Bi₂O₃/AgI composites were used to investigate their antibacterial properties using the resazurine-assisted microtiter plate-based antibacterial test. In the investigation, both the copolymers and composites exhibited antibacterial properties against Escherichia coli and Bacillus subtilis bacteria. Further, poly(Ani-co-Py) and Poly(Ani-co-Py)/Bi₂O₃/AgI composites with in vitro antioxidant activity was assessed by using free radical (α,α-diphenyl-β-picrylhydrazyl (DPPH) scavenging assay. The synthesized copolymers and composites exhibited IC₅₀ value around 38.74 and 41.70–42.60 µg/mL, respectively indicating their better antioxidant properties. This poly(Ani-co-Py)/Bi₂O₃/AgI composites could be an emerging materials in the area of antimicrobial and antioxidant activity.

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用于抗菌和抗氧化应用的新型聚(anti -co- py)/Bi2O3/AgI复合材料

以苯胺（Ani）和吡咯（Py）为原料合成聚（Ani-co-Py），制备了Bi2O3和AgI含量保持在5 ~ 15 wt%的聚(Ani-co-Py)/Bi2O3/AgI复合材料。FESEM分析表明，新制备的共聚物和复合材料分别为直径200-300 nm和50-300 nm的聚集和球形形貌。EDS数据显示复合样品中同时存在Bi2O3和AgI。利用雷扎嘌呤辅助微滴板抗菌试验，研究了聚（anti -co- py）和聚(anti -co- py)/Bi2O3/AgI复合材料的抗菌性能。在研究中，共聚物和复合材料都表现出对大肠杆菌和枯草芽孢杆菌的抗菌性能。通过自由基（α，α-二苯基-β-苦味酰肼（DPPH））清除实验，对聚（anti -co- py）和聚(anti -co- py)/Bi2O3/AgI复合材料体外抗氧化活性进行了评价。合成的共聚物和复合材料的IC50值分别为38.74µg/mL和41.70 ~ 42.60µg/mL，具有较好的抗氧化性能。这种聚(anti -co- py)/Bi2O3/AgI复合材料有望成为抗菌和抗氧化领域的新兴材料。

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来源期刊

Polyhedron 化学-晶体学

CiteScore

4.90

自引率

7.70%

发文量

515

审稿时长

2 months

期刊介绍： Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.