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A Novel Fullerene‐Pyrrole‐Pyrrole‐3‐Carboxylic Acid Nanocomposite Modified Molecularly Imprinted Impedimetric Sensor for Dopamine Determination in Urine
Electroanalysis ( IF 2.7 ) Pub Date : 2020-05-27 , DOI: 10.1002/elan.202060023 Hilmiye Deniz Ertuğrul Uygun 1 , M. Nalan Demir 2
Electroanalysis ( IF 2.7 ) Pub Date : 2020-05-27 , DOI: 10.1002/elan.202060023 Hilmiye Deniz Ertuğrul Uygun 1 , M. Nalan Demir 2
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In this study, we designed an electrochemical impedance based sensor by using molecularly imprinted fullerene modified pyrrole‐pyrrole‐3‐carboxylic acid copolymers on screen printed carbon electrode to monitor dopamine in real urine samples. All modifications were characterized by electrochemical impedance spectroscopy (EIS) and Scanning Electron Microscopy (SEM). Performance parameters of the developed sensor system were determined by calibration curve performed between 25 ng/mL and 250 ng/mL (R2= 0.9939). LOD and LOQ were 8.77 ng/mL and 26.6 ng/mL, respectively. The developed sensor method was compared with ELISA. The regression analysis between ELISA and the sensor analysis showed good correlation with R2= 0.979
中文翻译：
尿液中多巴胺测定的新型富勒烯-吡咯-吡咯-3-羧酸羧酸修饰分子印迹阻抗传感器
在这项研究中，我们通过在丝网印刷的碳电极上使用分子印迹富勒烯改性的吡咯-吡咯-3-羧酸共聚物来设计基于电化学阻抗的传感器，以监测实际尿液样本中的多巴胺。所有修饰均通过电化学阻抗谱（EIS）和扫描电子显微镜（SEM）进行表征。通过在25 ng / mL和250 ng / mL之间执行的校准曲线确定开发的传感器系统的性能参数（R2 = 0.9939）。LOD和LOQ分别为8.77 ng / mL和26.6 ng / mL。将开发的传感器方法与ELISA进行了比较。ELISA和传感器分析之间的回归分析与R2 = 0.979有很好的相关性。
更新日期：2020-05-27
中文翻译：
尿液中多巴胺测定的新型富勒烯-吡咯-吡咯-3-羧酸羧酸修饰分子印迹阻抗传感器
在这项研究中，我们通过在丝网印刷的碳电极上使用分子印迹富勒烯改性的吡咯-吡咯-3-羧酸共聚物来设计基于电化学阻抗的传感器，以监测实际尿液样本中的多巴胺。所有修饰均通过电化学阻抗谱（EIS）和扫描电子显微镜（SEM）进行表征。通过在25 ng / mL和250 ng / mL之间执行的校准曲线确定开发的传感器系统的性能参数（R2 = 0.9939）。LOD和LOQ分别为8.77 ng / mL和26.6 ng / mL。将开发的传感器方法与ELISA进行了比较。ELISA和传感器分析之间的回归分析与R2 = 0.979有很好的相关性。
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