A novel detection method for organophosphorus insecticide fenamiphos: Molecularly imprinted electrochemical sensor based on core-shell Co3O4@MOF-74 nanocomposite

纳米复合材料 傅里叶变换红外光谱 材料科学 介电谱 循环伏安法 X射线光电子能谱 电化学气体传感器 检出限 分子印迹聚合物 分子印迹 化学工程 化学 分析化学(期刊) 核化学 电化学 纳米技术 电极 选择性 色谱法 有机化学 物理化学 催化作用 工程类
作者
Hassan Karimi‐Maleh,Mehmet Lütfi Yola,Necip Atar,Yasin Orooji,Hassan Karimi‐Maleh,P. Senthil Kumar,Jalal Rouhi,Mehdi Baghayeri
出处
期刊:Journal of Colloid and Interface Science [Elsevier BV]
卷期号:592: 174-185 被引量:337
标识
DOI:10.1016/j.jcis.2021.02.066
摘要

Organophosphorus insecticide fenamiphos (FEN) is utilized to control the detrimental nematode pests. In this report, a novel molecular imprinted electrochemical sensor for insecticide FEN detection was prepared. The molecular imprinted sensor was prepared based on Co3O4 nanowire and core-shell Co3O4@MOF-74 nanocomposite. Firstly, hydrothermal method followed by thermal annealing was applied for the preparation of Co3O4 nanowire. Then, solvothermal technique was used in no presence of metal salts to prepare core-shell Co3O4@MOF-74 nanocomposite. In addition, several solvothermal cycles were tried to optimally adjust the reaction efficiency. After the modification of the clean carbon electrode surfaces with Co3O4@MOF-74 nanocomposites, the molecular imprinted electrodes based on Co3O4@MOF-74 nanocomposites were prepared in presence of 100.0 mM pyrrole as monomer and 25.0 mM FEN as analyte molecule between +0.30 V and +1.50 V by cyclic voltammetry (CV). The prepared molecularly imprinted sensor based on Co3O4 nanowire and core-shell Co3O4@MOF-74 nanocomposite was characterized by transmission electron microscopy (TEM), scanning electron microscope (SEM), x-ray diffraction (XRD) method, x-ray photoelectron spectroscopy (XPS), fourier transform infrared spectroscopy (FTIR), electrochemical impedance spectroscopy (EIS) and CV. The quantification limit (LOQ) and the detection limit (LOD) were obtained as 1.0 × 10−11 M and 3.0 × 10−12 M, respectively, by using the developed sensor. Hence, the developed molecularly imprinting electrochemical sensor having high selectivity, stability and reproducibility was presented in this study for insecticide FEN detection.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
1秒前
发嗲的向雪完成签到,获得积分10
2秒前
cuckoo发布了新的文献求助50
2秒前
清脆糖豆完成签到,获得积分10
2秒前
xusuizi发布了新的文献求助10
2秒前
康丽发布了新的文献求助10
2秒前
JamesPei应助WWWUBING采纳,获得10
3秒前
Enuo完成签到,获得积分10
3秒前
3秒前
LeeFlavia完成签到,获得积分10
6秒前
6秒前
Jasper应助Alladin采纳,获得10
8秒前
9秒前
搜集达人应助科研通管家采纳,获得10
9秒前
柯一一应助科研通管家采纳,获得10
9秒前
9秒前
9秒前
柯一一应助科研通管家采纳,获得10
9秒前
共享精神应助科研通管家采纳,获得10
10秒前
爆米花应助科研通管家采纳,获得10
10秒前
柯一一应助科研通管家采纳,获得10
10秒前
Owen应助破三贼采纳,获得30
10秒前
共享精神应助科研通管家采纳,获得10
10秒前
10秒前
jjj应助科研通管家采纳,获得10
10秒前
10秒前
10秒前
慕青应助科研通管家采纳,获得10
10秒前
10秒前
大模型应助冰美式乌龙茶采纳,获得30
10秒前
爆米花应助科研通管家采纳,获得10
10秒前
10秒前
10秒前
10秒前
10秒前
英俊的铭应助科研通管家采纳,获得50
10秒前
10秒前
iNk应助科研通管家采纳,获得10
10秒前
10秒前
SciGPT应助科研通管家采纳,获得10
10秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Cognitive Neuroscience: The Biology of the Mind 1000
Technical Brochure TB 814: LPIT applications in HV gas insulated switchgear 1000
Immigrant Incorporation in East Asian Democracies 600
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
A Preliminary Study on Correlation Between Independent Components of Facial Thermal Images and Subjective Assessment of Chronic Stress 500
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3967409
求助须知:如何正确求助?哪些是违规求助? 3512686
关于积分的说明 11164677
捐赠科研通 3247651
什么是DOI,文献DOI怎么找? 1793964
邀请新用户注册赠送积分活动 874785
科研通“疑难数据库(出版商)”最低求助积分说明 804498