Electrospraying Zwitterionic Copolymers as an Effective Biofouling Control for Accurate and Continuous Monitoring of Wastewater Dynamics in a Real-Time and Long-Term Manner
Electrospraying Zwitterionic Copolymers as an Effective Biofouling Control for Accurate and Continuous Monitoring of Wastewater Dynamics in a Real-Time and Long-Term Manner
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DOI：
10.1021/acs.est.2c01501
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发表时间：
2022-06-21
影响因子：
11.4
通讯作者：
Li, Baikun
中科院分区：
文献类型：
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作者：
Huang, Yuankai;Qian, Xin;Li, Baikun
水质长期连续监测 (LTCM) 可以提供对于执行快速控制和提高系统效率至关重要的高保真数据集。使用固态离子选择电极 (SISE) 传感器的 LTCM 的一大障碍是传感器表面的生物污垢，这会干扰分析物的传质并降低传感器读数的准确性。这项研究通过使用电喷雾在传感器表面精确涂覆自组装通道型两性基丙烯酸甲酯（PTFEMA-r-SBMA），提高了 S-ISE 传感器的抗生物污损性能。 PTFEMA-r-SBMA 膜对水溶液中的一次离子表现出卓越的渗透性和选择性。具有防污两性离子层的 NH4+ S-ISE 传感器在实际废水中连续检测 55 天，表现出接近理论值 (59.18 mV/dec) 的灵敏度和长期稳定性（误差
Long-term continuous monitoring (LTCM) of water quality can provide high-fidelity datasets essential for executing swift control and enhancing system efficiency. One roadblock for LTCM using solid-state ion-selective electrode (SISE) sensors is biofouling on the sensor surface, which perturbs analyte mass transfer and deteriorates the sensor reading accuracy. This study advanced the anti-biofouling property of S-ISE sensors through precisely coating a self-assembled channel-type zwittertaine methacrylate) (PTFEMA-r-SBMA) on the sensor surface using electrospray. The PTFEMA-r-SBMA membrane exhibits exceptional permeability and selectivity to primary ions in water solutions. NH4+ S-ISE sensors with this anti-fouling zwitterionic layer were examined in real wastewater for 55 days consecutively, exhibiting sensitivity close to the theoretical value (59.18 mV/dec) and long-term stability (error