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Molecularly imprinted poly (4,4′-methylenedianiline) as electrochemical sensor for determination of 1-benzothiophene
Synthetic Metals ( IF 4.0 ) Pub Date : 2020-01-01 , DOI: 10.1016/j.synthmet.2019.116252
Esmail Mohseni , Mohammad Reza Yaftian , Hassan Shayani-jam , Abbasali Zamani , Farideh Piri

Abstract Self-cross linked poly (4.4′-methylenedianiline) as a conductive polymer was prepared via oxidative polymerization of 4.4′-methylenedianiline. Synthesis of poly 4.4′-methylenedianiline in acidic condition, leads to formation of phenazine structural units. Molecularly imprinted poly 4.4′-methylenedianiline, synthesized using 1-benzothiophene as template. The π-π stacking effect between 4.4′-methylenedianiline and 1-benzothiophene, made the compact imprinted polymer and more imprinted sites. Field emission scanning electron microscopy, FT-IR spectroscopy, X-ray diffraction and differential scanning calorimetry were used to characterize the morphology and structure of the poly- (4.4′-methylenedianiline). Detection of 1-benzothiophene was performed with molecularly imprinted poly- (4.4′-methylenedianiline) modified electrode. Cyclic voltammetry was used to character the molecular imprinted polymer and nonimprinted polymer.

中文翻译:

分子印迹聚(4,4'-亚甲基二苯胺)作为电化学传感器用于测定 1-苯并噻吩

摘要 通过4.4'-亚甲基二苯胺的氧化聚合制备了自交联聚(4.4'-亚甲基二苯胺)作为导电聚合物。在酸性条件下合成聚 4.4'-亚甲基二苯胺,导致吩嗪结构单元的形成。分子印迹聚 4.4'-亚甲基二苯胺,以 1-苯并噻吩为模板合成。4.4'-亚甲基二苯胺和1-苯并噻吩之间的π-π堆积效应使印迹聚合物紧密,印迹位点更多。使用场发射扫描电子显微镜、FT-IR 光谱、X 射线衍射和差示扫描量热法表征聚-(4.4'-亚甲基二苯胺)的形态和结构。1-苯并噻吩的检测使用分子印迹聚(4.4'-亚甲基二苯胺)修饰电极进行。
更新日期:2020-01-01
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