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Ma Y, Li H, Li Y, Wei D. Preparation of Paper-Based Fluorescent Sensors and Their Application for the Detection of Cu 2+ in Water. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3920. [PMID: 39203098 PMCID: PMC11355718 DOI: 10.3390/ma17163920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 07/15/2024] [Accepted: 07/31/2024] [Indexed: 09/03/2024]
Abstract
Excessive copper (Cu2+) causes adverse effects on human health and the ecological environment. Traditional methods for detecting Cu2+ have drawbacks such as high detection costs, complex operating conditions, and being time consuming. Therefore, there is an urgent need to develop simple detection methods to better meet specific health and environment quality needs. In this work, a paper-based fluorescence sensor was prepared (herein referred to as the as-prepared method) by immersing filter paper in aqueous polyethyleneimine (PEI) solution, and its potential use in Cu2+ detection was investigated. The results showed that the as-prepared paper samples, with fluorescence properties obtained by aggregation-induced luminescence of PEI, have selective recognition of Cu2+ based on the internal filtration effect, and the lowest detection limit is 0.03 μM. In addition, the relative error of this method is in the range of 1.80~2.23%, which is relatively comparable to the national standard method (0.63~630 μM), demonstrating high accuracy. Therefore, paper-based sensors with a simple preparation method have potential applications in the detection of Cu2+ in water.
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Affiliation(s)
- Yue Ma
- College of Agriculture and Forestry, Hebei North University, Zhangjiakou 075000, China; (Y.M.); (H.L.)
- Hebei Key Laboratory of Quality and Safety Analysis of Agricultural Products and Food, Hebei North University, Zhangjiakou 075000, China
| | - Hui Li
- College of Agriculture and Forestry, Hebei North University, Zhangjiakou 075000, China; (Y.M.); (H.L.)
- Hebei Key Laboratory of Quality and Safety Analysis of Agricultural Products and Food, Hebei North University, Zhangjiakou 075000, China
- Key Laboratory of Quality and Safety of Zhangjiakou Special Agricultural Products, Hebei North University, Zhangjiakou 075000, China
| | - Yufeng Li
- College of Agriculture and Forestry, Hebei North University, Zhangjiakou 075000, China; (Y.M.); (H.L.)
- Hebei Key Laboratory of Quality and Safety Analysis of Agricultural Products and Food, Hebei North University, Zhangjiakou 075000, China
| | - Dong Wei
- College of Agriculture and Forestry, Hebei North University, Zhangjiakou 075000, China; (Y.M.); (H.L.)
- Hebei Key Laboratory of Quality and Safety Analysis of Agricultural Products and Food, Hebei North University, Zhangjiakou 075000, China
- Key Laboratory of Quality and Safety of Zhangjiakou Special Agricultural Products, Hebei North University, Zhangjiakou 075000, China
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Luo S, Yuan X, Liang R, Feng K, Xu H, Zhao J, Wang S, Lan Y, Long Y, Deng H. Prediction and visualization of gene modulated ultralow cadmium accumulation in brown rice grains by hyperspectral imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 297:122720. [PMID: 37058840 DOI: 10.1016/j.saa.2023.122720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 03/20/2023] [Accepted: 04/06/2023] [Indexed: 05/14/2023]
Abstract
Monitoring (including prediction and visualization) the gene modulated cadmium (Cd) accumulation in rice grains is one of the most important steps for identification of key transporter genes responsible for grain Cd accumulation and breeding low grain-Cd-accumulating rice cultivars. A method to predict and visualize the gene modulated ultralow Cd accumulation in brown rice grains based on the hyperspectral image (HSI) technology is proposed in this study. Firstly, the Vis-NIR HSIs of brown rice grain samples with 48Cd content levels induced by gene modulation (ranging from 0.0637 to 0.1845 mg/kg) are collected using HSI system. Then, Kernel-ridge (KRR) and random forest (RFR) regression models based on full spectral data and the data after feature dimension reduction (FDR) with kernel principal component analysis (KPCA) and truncated singular value decomposition (TSVD) algorithms are established to predict the Cd contents. RFR model shows poor performance due to the over-fitting based on the full spectral data, while the KRR model can obtain a good predict accuracy with Rp2 of 0.9035, RMSEP of 0.0037 and RPD of 3.278. After the FDR of the full spectral data, the RFR model combined with TSVD reaches the optimum prediction accuracy with Rp2 of 0.9056, RMSEP of 0.0074 and RPD of 3.318, and the best prediction precision of KRR model can also be further enhanced by TSVD with Rp2 of 0.9224, RMSEP of 0.0067 and RPD of 3.512. Finally, the visualization of the predicted Cd accumulation in brown rice grains are realized based on the best regression model (KRR + TSVD). The results of this work indicate that Vis-NIR HSI has great potential for detection and visualization gene modulation induced ultralow Cd accumulation and transport in rice crops.
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Affiliation(s)
- Shuiyang Luo
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
| | - Xue Yuan
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou 510642, China.
| | - Ruiqing Liang
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Kunsheng Feng
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
| | - Haitao Xu
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
| | - Jing Zhao
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
| | - Shaokui Wang
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Yubin Lan
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
| | - Yongbing Long
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
| | - Haidong Deng
- College of Electronic Engineering / College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China.
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Yang H, Li K, Wang Y, Yuan X, Zhang M. A label-free strategy for H2O2 assay by chemical vapor generation-atomic fluorescence spectrometry. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Insights into coacervative and dispersive liquid-phase microextraction strategies with hydrophilic media – A review. Anal Chim Acta 2021; 1143:225-249. [DOI: 10.1016/j.aca.2020.08.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/10/2020] [Accepted: 08/12/2020] [Indexed: 12/18/2022]
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Fujihara J, Nishimoto N. Total antimony analysis by hydride generation-microwave plasma-atomic emission spectroscopy with applications. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104992] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Zhou X, Sun J, Tian Y, Wu X, Dai C, Li B. Spectral classification of lettuce cadmium stress based on information fusion and VISSA‐GOA‐SVM algorithm. J FOOD PROCESS ENG 2019. [DOI: 10.1111/jfpe.13085] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Xin Zhou
- School of Electrical and Information Engineering of Jiangsu University Zhenjiang China
| | - Jun Sun
- School of Electrical and Information Engineering of Jiangsu University Zhenjiang China
| | - Yan Tian
- School of Electrical and Information Engineering of Jiangsu University Zhenjiang China
| | - Xiaohong Wu
- School of Electrical and Information Engineering of Jiangsu University Zhenjiang China
| | - Chunxia Dai
- School of Electrical and Information Engineering of Jiangsu University Zhenjiang China
| | - Bin Li
- Beijing Research Center for Information Technology in Agriculture Beijing China
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Yang S, Chen L, Lei Z, Hu K, Wen X. Investigation of media influence on the non-aqueous phase hydride generation-atomic fluorescence spectrometric determination of arsenic. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Costa Ferreira SL, dos Anjos JP, Assis Felix CS, da Silva Junior MM, Palacio E, Cerda V. Speciation analysis of antimony in environmental samples employing atomic fluorescence spectrometry – Review. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.11.017] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Liu X, Zhu Z, Bao Z, He D, Zheng H, Liu Z, Hu S. Simultaneous Sensitive Determination of Selenium, Silver, Antimony, Lead, and Bismuth in Microsamples Based on Liquid Spray Dielectric Barrier Discharge Plasma-Induced Vapor Generation. Anal Chem 2018; 91:928-934. [DOI: 10.1021/acs.analchem.8b03966] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Chen L, Lei Z, Hu K, Yang S, Wen X. Investigation of organic media and surfactant sensitization in non-aqueous phase hydride generation-atomic fluorescence spectrometric determination of antimony. Microchem J 2018. [DOI: 10.1016/j.microc.2018.05.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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