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一种基于竹子生物炭的新型一次性电化学传感器,用于检测环境样本中的非类固醇抗炎药物酸

Francisco Walison Lima Silva¹, Luís Eduardo da Conceição Teixeira¹, Cassiano Augusto Rolim Bernardino²

¹Departamento de Química Analítica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil.

|August 25, 2025

概括

一个新的竹子生物炭改性丝印电极 (SPE/BCB) 提供了灵敏且具有成本效益的酸 (FFA) 检测. 这种环保传感器在水质监测方面表现出色.

科学领域:

电化学
材料科学
环境科学

背景情况:

胺酸 (FFA) 是一种常见的制药污染物.
准确检测FFA对于环境监测至关重要.
现有的检测方法往往缺乏灵敏性,成本效益或环保性.

研究的目的:

开发一种新型电化学传感器,用于敏感的FFA检测.
使用竹子生物炭作为印电极 (SPE) 的修饰剂.
评估传感器在现实水样中的性能和适用性.

主要方法:

用竹炭修饰的丝印电极 (SPE/BCB) 的制造.
SPE/BCB传感器的电化学表征和性能评估.
在复杂的水态矩阵 (河流和自来水) 中测试传感器的选择性和准确性.

主要成果:

SPE/BCB传感器表现出高灵敏度 (2.30μA/μmol L-1) 和超低的检测极限 (1.3 nmol L-1).
获得了广泛的线性范围 (0. 05-13. 32μmol L-1).
传感器对常见的有机干扰物具有出色的选择性,并在河流和自来水中准确量化.

结论:

SPE/BCB传感器提供了一个具有成本效益,灵敏和环保的FFA检测平台.
这种传感器显示出有效监测制药污染物的巨大潜力.
竹子生物炭改造提高了电化学性能,并提供了一种可持续的方法.

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