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Kong M, Lu Y, Ma Y, Zhao X, Wu J, Lu G, Yan X, Liu X. Upconversion-based hydrogel kit with Python-assisted analysis platform for sample-to-result detection of organophosphorus pesticide. J Colloid Interface Sci 2024; 670:626-634. [PMID: 38781653 DOI: 10.1016/j.jcis.2024.05.106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 05/09/2024] [Accepted: 05/15/2024] [Indexed: 05/25/2024]
Abstract
On-site quantitative analysis of pesticide residues is crucial for monitoring environmental quality and ensuring food safety. Herein, we have developed a reliable hydrogel portable kit using NaYbF4@NaYF4: Yb, Tm upconversion nanoparticles (UCNPs) combined with MnO2 nanoflakes. This portable kit is integrated with a smartphone reader and Python-assisted analysis platform to enable sample-to-result analysis for chlorpyrifos. The novel UCNPs maximizes energy donation to MnO2 acceptor by employing 100 % of activator Yb3+ in the nucleus for NIR excitation energy collection and confining emitter Tm3+ to the surface layer to shorten energy transfer distance. Under NIR excitation, efficient quenching of upconversion blue-violet emission by MnO2 nanoflakes occurs, and the quenched emission is recovered with acetylcholinesterase-mediated reactions. This process allows for the determination of chlorpyrifos by inhibiting enzymatic activity. The UCNPs/MnO2 were embedded to fabricate a hydrogel portable kit, the blue-violet emission images captured by smartphone were converted into corresponding gray values by Python-assisted superiority chart algorithm which achieves a real-time rapid quantitative analysis of chlorpyrifos with a detection limit of 0.17 ng mL-1. At the same time, pseudo-color images were also added by Python in "one run" to distinguish images clearly. This sensor detection with Python-assisted analysis platform provides a new perspective on pesticide monitoring and broadens the application prospects in bioanalysis.
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Affiliation(s)
- Minghui Kong
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Yang Lu
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Yuan Ma
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Xu Zhao
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Jiahang Wu
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Geyu Lu
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Xu Yan
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.
| | - Xiaomin Liu
- State Key Laboratory on Integrated Optoelectronics, Jilin Key Laboratory on Advanced Gas Sensor, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.
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Cao Y, Chen Y, Zhou Y, Chen X, Peng J. Direct detection of acetylcholinesterase by Fe(HCOO) 2.6(OH) 0.3. H 2O nanosheets with oxidase-like activity on a smartphone platform. Talanta 2024; 274:126074. [PMID: 38608632 DOI: 10.1016/j.talanta.2024.126074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 03/29/2024] [Accepted: 04/06/2024] [Indexed: 04/14/2024]
Abstract
Monitoring acetylcholinesterase (AChE) is crucial in clinical diagnosis and drug screening. Traditional methods for detecting AChE usually require the addition of intermediates like acetylthiocholine, which complicates the detection process and introduces interference risks. Herein, we develop a direct colorimetric assay based on alkaline iron formate nanosheets (Fe(HCOO)2.6(OH)0.3·H2O NSs, Fef NSs) for the detection of AChE without any intermediates. The as-prepared Fef NSs exhibit oxidase-like activity, catalyzing the generation of O2·-, 1O2 and ·OH, which leads to a color change from colorless to blue when exposed to 3,3',5,5'-tetramethylbenzidine. AChE directly inhibits the oxidase-like activity of Fef NSs, resulting in a hindered color reaction, enabling the detection of AChE. The biosensor has a linear detection range of 0.1-30 mU/mL, with a minimum detection limit of 0.0083 mU/mL (S/N = 3), representing a 100-fold improvement in detection sensitivity over the traditional Ellman's method. Satisfactory results were obtained when analyzing real AChE samples. Attractively, a method for the quantitative detection of AChE by a smartphone is established based on the Fef NSs. This method enables instant acquisition of AChE concentrations, achieving real-time visualized detection.
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Affiliation(s)
- Yongbin Cao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan, 430070, China; School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Yuanyuan Chen
- Department of Pharmacology, Medical College, Wuhan University of Science and Technology, Wuhan, 430022, China
| | - Yue Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan, 430070, China; School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Xiaohua Chen
- Department of Laboratory Medicine, General Hospital of Central Theater Command, Wuhan, 430070, China
| | - Jian Peng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan, 430070, China; School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China.
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Zhao F, Guo H, Yang W, Guo L, Li J, Chen H. Determination of Acetylcholinesterase Activity Based on Ratiometric Fluorescence Signal Sensing. J Fluoresc 2024:10.1007/s10895-024-03703-y. [PMID: 38613708 DOI: 10.1007/s10895-024-03703-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/05/2024] [Indexed: 04/15/2024]
Abstract
Acetylcholinesterase (AChE) plays an important role in the treatment of human diseases, environmental security and global food supply. In this study, the simple fluorescent indicators and MnO2 nanosheets were developed and integrated to establish a ratiometric fluorescence sensing system for the detection of AChE activity. Two fluorescence signals could be recorded independently at the same excitation wavelength, which extended the detection range and enhanced the visibility of results. Fluorescence of F-PDA was quenched by MnO2 nanosheets on account of inner filtering effect. Meanwhile, the nonfluorescent OPD was catalytically oxidized to 2,3-diaminophenazine by MnO2 nanosheets. The acetylcholine (ATCh) was catalytically hydrolyzed by AChE to enzymatic thiocholine, which decomposed MnO2 to Mn2+, recovered the fluorescence of F-PDA and reduced the emission of ox-OPD. Utilizing the fluorescence intensity ratio F468/F558 as the signal readout, the ratiometric fluorescence method was established to detect AChE activity. Under the excitation wavelength of 410 nm, the ratio F460/F558 against the AChE concentration demonstrated two linear relationships in the range 0.05 -1.0 and 1.0-50 U·L- 1 with a limit of detection (LOD) of 0.073 U·L- 1. The method was applied to the detection of AChE activity and the analysis of the inhibitor Huperzine-A. Due to the advantages of high sensitivity and favorable selectivity, the method possesses an application prospect in the activity deteceion of AChE and the screening of inhibitors.
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Affiliation(s)
- Fengju Zhao
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Hui Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China.
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China.
- Key Laboratory of Pharmaceutical Engineering of Zhejiang Province, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China.
| | - Wei Yang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Lili Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Jiaxin Li
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Hanqi Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
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Madagalam M, Bartoli M, Tagliaferro A. A Short Overview on Graphene and Graphene-Related Materials for Electrochemical Gas Sensing. MATERIALS (BASEL, SWITZERLAND) 2024; 17:303. [PMID: 38255471 PMCID: PMC10817420 DOI: 10.3390/ma17020303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
The development of new and high-performing electrode materials for sensing applications is one of the most intriguing and challenging research fields. There are several ways to approach this matter, but the use of nanostructured surfaces is among the most promising and highest performing. Graphene and graphene-related materials have contributed to spreading nanoscience across several fields in which the combination of morphological and electronic properties exploit their outstanding electrochemical properties. In this review, we discuss the use of graphene and graphene-like materials to produce gas sensors, highlighting the most relevant and new advancements in the field, with a particular focus on the interaction between the gases and the materials.
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Affiliation(s)
- Mallikarjun Madagalam
- Department of Applied Science and Technology, Politecnico di Torino, Duca degli Abruzzi 24, 10129 Turin, Italy;
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Via Giuseppe Giusti, 9, 50121 Florence, Italy
| | - Mattia Bartoli
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Via Giuseppe Giusti, 9, 50121 Florence, Italy
- Center for Sustainable Future Technologies (CSFT), Istituto Italiano di Tecnologia (IIT), Via Livorno 60, 10144 Turin, Italy
| | - Alberto Tagliaferro
- Department of Applied Science and Technology, Politecnico di Torino, Duca degli Abruzzi 24, 10129 Turin, Italy;
- Faculty of Science, OntarioTech University, Simcoe Street North, Oshawa, ON L1G 0C5, Canada
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Abdullah IH, Wilson DJ, Mora AC, Parker RW, Mace CR. Generating signals at converging liquid fronts to create line-format readouts of soluble assay products in three-dimensional paper-based devices. LAB ON A CHIP 2023; 23:4010-4018. [PMID: 37581363 DOI: 10.1039/d3lc00511a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
The correct interpretation of the result from a point-of-care device is crucial for an accurate and rapid diagnosis to guide subsequent treatment. Lateral flow tests (LFTs) use a well-established format that was designed to simplify the user experience. However, the LFT device architecture is inherently limited to detecting analytes that can be captured by molecular recognition. Microfluidic paper-based analytical devices (μPADs), like LFTs, have the potential to be used in diagnostic applications at the point of care. However, μPADs have not gained significant traction outside of academic laboratories, in part, because they have often demonstrated a lack of homogeneous shape or color in signal outputs, which consequently can lead to inaccurate interpretation of results by users. Here, we demonstrate a new class of μPADs that form colorimetric signals at the interfaces of converging liquid fronts (i.e., lines) to control where colorimetric signals are formed without relying on capture techniques. We demonstrate our approach by developing assays for three classes of analytes-an ion, an enzyme, and a small molecule-to measure using iron(III), acetylcholinesterase, and lactate, respectively. Additionally, we show these devices have the potential to support multiplexed assays by generating multiple lines in a common readout zone. These results highlight the ability of this new paper-based device architecture to aid the interpretation of assays that create soluble products by using flow to constrain those colorimetric products in a familiar, line-format output.
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Affiliation(s)
| | - Daniel J Wilson
- Department of Chemistry, Tufts University, Medford, MA 02155, USA.
| | - Andrea C Mora
- Department of Chemistry, Tufts University, Medford, MA 02155, USA.
| | | | - Charles R Mace
- Department of Chemistry, Tufts University, Medford, MA 02155, USA.
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Cheng H, Wang Y, Wang Y, Ge L, Liu X, Li F. A visualized sensor based on layered double hydroxides with peroxidase-like activity for sensitive acetylcholinesterase assay. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37470116 DOI: 10.1039/d3ay00776f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Acetylcholinesterase (AChE) plays a crucial role in biological neurotransmission. The aberrant expression of AChE is associated with various neurodegenerative diseases. Therefore, it is of great significance to develop a simple and highly sensitive AChE analysis platform. Herein, a simple colorimetric sensor was constructed for sensitive detection of AChE based on the peroxidase-like catalytic activity of Ni/Co layered double hydroxides (Ni/Co LDHs). In this sensor, the fabricated Ni/Co LDHs possess high peroxidase-like activity, enabling rapid catalysis of o-phenylenediamine (OPD) to produce yellow oxOPD in the presence of H2O2. This peroxidase-like activity of Ni/Co LDHs was found to be effectively inhibited by the presence of AChE. It is speculated that the combination of AChE on the outer surface of Ni/Co LDHs through non-covalent interaction may cover the active sites and hinder their adsorption to the substrates, leading to the failure of OPD oxidation. As a result, the yellow color from oxOPD is related to the AChE concentration, enabling the direct AChE assay in an equipment-free manner. In addition, the fabricated Ni/Co LDHs could be modified on a paper surface to obtain a paper-based analytical device for visualized colorimetric detection of AChE. The as-proposed sensor shows high sensitivity to AChE with a detection limit down to 6.6 μU mL-1. Therefore, this naked-eye paper-based sensor is capable of on-site and real-time detection of AChE, and has outstanding application prospects in clinical diagnosis and biomedical fields.
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Affiliation(s)
- Hao Cheng
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China.
- College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, P. R. China
| | - Yuying Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China.
- College of Plant Health & Medicine, Qingdao Agricultural University, Qingdao 266109, P. R. China
| | - Yue Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China.
| | - Lei Ge
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China.
| | - Xiaojuan Liu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China.
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China.
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Li S, Wei Z, Xiong L, Xu Q, Yu L, Xiao Y. In Situ Formation of o-Phenylenediamine Cascade Polymers Mediated by Metal-Organic Framework Nanozymes for Fluorescent and Photothermal Dual-Mode Assay of Acetylcholinesterase Activity. Anal Chem 2022; 94:17263-17271. [PMID: 36463539 DOI: 10.1021/acs.analchem.2c04218] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
A fluorescent and photothermal dual-mode assay method was established for the detection of acetylcholinesterase (AChE) activity based on in situ formation of o-phenylenediamine (oPD) cascade polymers. First, copper metal-organic frameworks of benzenetricarboxylic acid (Cu-BTC) were screened out as nanozymes with excellent oxidase-like activity and confinement catalysis effect. Then, an ingenious oPD cascade polymerization strategy was proposed. That is, oPD was oxidized by Cu-BTC to oPD oligomers with strong yellow fluorescence, and oPD oligomers were further catalyzed to generate J-aggregation, which promotes the formation of oPD polymer nanoparticles with a high photothermal effect. By utilizing thiocholine (enzymolysis product of acetylthiocholine) to inhibit the Cu-BTC catalytic effect, AChE activity was detected through the fluorescence-photothermal dual-signal change of oPD oligomers and polymer nanoparticles. Both assay modes have low detection limitation (0.03 U L-1 for fluorescence and 0.05 U L-1 for photothermal) and can accurately detect the AChE activity of human serum (recovery 85.0-111.3%). The detection results of real serum samples by fluorescent and photothermal dual modes are consistent with each other (relative error ≤ 5.2%). It is worth emphasizing that this is the first time to report the high photothermal effect of oPD polymers and the fluorescence-photothermal dual-mode assay of enzyme activity.
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Affiliation(s)
- Shuo Li
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China.,Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Zhongyu Wei
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Li Xiong
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Qi Xu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Long Yu
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China.,Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Yuxiu Xiao
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China.,Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
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Lomae A, Preechakasedkit P, Teekayupak K, Panraksa Y, Yukird J, Chailapakul O, Ruecha N. Microfluidic Paper-Based Device for Medicinal Diagnosis. Curr Top Med Chem 2022; 22:CTMC-EPUB-127355. [PMID: 36330618 DOI: 10.2174/1568026623666221103103211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/16/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND The demand for point-of-care testing (POCT) devices has rapidly grown since they offer immediate test results with ease of use, makingthem suitable for home self-testing patients and caretakers. However, the POCT development has faced the challenges of increased cost and limited resources. Therefore, the paper substrate as a low-cost material has been employed to develop a cost-effective POCT device, known as "Microfluidic paper-based analytical devices (μPADs)". This device is gaining attention as a promising tool for medicinal diagnostic applications owing to its unique features of simple fabrication, low cost, enabling manipulation flow (capillarydriven flow), the ability to store reagents, and accommodating multistep assay requirements. OBJECTIVE This review comprehensively examines the fabrication methods and device designs (2D/3D configuration) and their advantages and disadvantages, focusing on updated μPADs applications for motif identification. METHODS The evolution of paper-based devices, starting from the traditional devices of dipstick and lateral flow assay (LFA) with μPADs, has been described. Patterned structure fabrication of each technique has been compared among the equipment used, benefits, and drawbacks. Microfluidic device designs, including 2D and 3D configurations, have been introduced as well as their modifications. Various designs of μPADs have been integrated with many powerful detection methods such as colorimetry, electrochemistry, fluorescence, chemiluminescence, electrochemiluminescence, and SER-based sensors for medicinal diagnosis applications. CONCLUSION The μPADs potential to deal with commercialization in terms of the state-of-the-art of μPADs in medicinal diagnosis has been discussed. A great prototype, which is currently in a reallife application breakthrough, has been updated.
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Affiliation(s)
- Atchara Lomae
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Pattarachaya Preechakasedkit
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Kanyapat Teekayupak
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Yosita Panraksa
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Jutiporn Yukird
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Nipapan Ruecha
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
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Lomae A, Chaiyo S, Chailapakul O, Siangproh W, Panchompoo J. Fully integrated colorimetric sensor based on transparency substrate for salbutamol determination. MethodsX 2022; 9:101913. [PMID: 36405363 PMCID: PMC9667289 DOI: 10.1016/j.mex.2022.101913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022] Open
Abstract
Facile colorimetric method for the determination of salbutamol based on a simple redox reaction using permanganate as reagent was first investigated at the transparency-based analytical device (TAD). The colorimetric TAD sensor was in-lab constructed using a transparent PET-based substrate, showing good compatibility with the permanganate reagent which could result in a vivid color change, clearly observed by the naked eye. This proposed colorimetric TAD sensor was successfully applied for salbutamol determination in real drug samples with good accuracy and satisfactory recovery, highlighting the potential capability of this TAD-based colorimetric sensor in pharmaceutical application.
A facile colorimetric method based on a typical redox reaction was first developed for the determination of salbutamol (SAL) using a low-cost and portable transparency-based analytical device (TAD). The TAD was simply fabricated by wax-printing onto a transparent polymer-based substrate to create the hydrophobic barriers and the colorimetric reaction zones where the color changes could be easily observed with the naked eye. Potassium permanganate (KMnO4), a common oxidizing agent, was deliberately used as a colorimetric reagent for SAL. Once SAL reacted with KMnO4 in the acidified system, it could undergo oxidation and the color of KMnO4 subsequently changed from light pink to orange. The color change corresponding to the SAL concentration could be clearly observed at the TAD sensor. In addition, the reaction color could be recorded using a digital camera and then analyzed by ImageJ for quantitative analysis. Under the optimized conditions, the developed method together with the TAD sensor exhibited high efficiency for SAL determination with linearity ranging from 0.5 to 40 mg·L−1 and a limit of detection (LOD) of 0.05 mg·L−1. This proposed TAD-based colorimetric method using permanganate as color reagent showed excellent performance in SAL detection with good accuracy and high precision.
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New Advances in Lateral Flow Immunoassay (LFI) Technology for Food Safety Detection. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196596. [PMID: 36235132 PMCID: PMC9571384 DOI: 10.3390/molecules27196596] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/27/2022] [Accepted: 10/01/2022] [Indexed: 11/09/2022]
Abstract
With the continuous development of China’s economy and society, people and the government have higher and higher requirements for food safety. Testing for food dopants and toxins can prevent the occurrence of various adverse health phenomena in the world’s population. By deploying new and powerful sensors that enable rapid sensing processes, the food industry can help detect trace adulteration and toxic substances. At present, as a common food safety detection method, lateral flow immunochromatography (LFI) is widely used in food safety testing, environmental testing and clinical medical treatment because of its advantages of simplicity, speed, specificity and low cost, and plays a pivotal role in ensuring food safety. This paper mainly focuses on the application of lateral flow immunochromatography and new technologies combined with test strips in food safety detection, such as aptamers, surface-enhanced Raman spectroscopy, quantum dots, electrochemical test strip detection technology, biosensor test strip detection, etc. In addition, sensing principles such as fluorescence resonance energy transfer can also more effective. Different methods have different characteristics. The following is a review of the application of these technologies in food safety detection.
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Montoro-Leal P, Frías IAM, Vereda Alonso E, Errachid A, Jaffrezic-Renault N. A Molecularly Imprinted Polypyrrole/GO@Fe3O4 Nanocomposite Modified Impedimetric Sensor for the Routine Monitoring of Lysozyme. BIOSENSORS 2022; 12:bios12090727. [PMID: 36140112 PMCID: PMC9496344 DOI: 10.3390/bios12090727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 08/28/2022] [Indexed: 12/21/2022]
Abstract
Lysozyme (LYS) applications encompass anti-bacterial activity, analgesic, and anti-inflammatory effects. In this work, a porous framework that was based on the polymerization of pyrrole (PPy) in the presence of multi-functional graphene oxide/iron oxide composite (GO@Fe3O4) has been developed. Oxygen-containing and amine groups that were present in the nanocomposite were availed to assembly LYS as the molecularly imprinted polymer (MIP) template. The synthesized material (MIPPy/GO@Fe3O4) was electrodeposited on top of a gold microelectrode array. Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) were used to confirm the adequate preparation of GO@Fe3O4, and the characterization of the resulting molecularly imprinted electrochemical sensor (MIECS) was carried out by electrochemical impedance spectrometry (EIS), FT-IR analysis, and scanning electron microscopy (SEM). The impedimetric responses were analyzed mathematically by fitting to a Q(Q(RW)) equivalent circuit and quantitative determination of LYS was obtained in a linear range from 1 pg/mL to 0.1 µg/mL, presenting good precision (RSD ≈ 10%, n = 5) and low limit of detection (LOD = 0.009 pg/mL). The fabrication of this device is relatively simple, scalable, rapid, and economical, and the sensor can be used up to nine times without disintegration. The MIECS was successfully applied to the determination of LYS in fresh chicken egg white sample and in a commercial drug, resulting in a straightforward platform for the routine monitoring of LYS.
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Affiliation(s)
- Pablo Montoro-Leal
- Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, 29016 Málaga, Spain
| | - Isaac A. M. Frías
- Institut des Sciences Analytiques, University of Lyon, 69100 Villeurbanne, France
| | - Elisa Vereda Alonso
- Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, 29016 Málaga, Spain
- Correspondence:
| | - Abdelhamid Errachid
- Institut des Sciences Analytiques, University of Lyon, 69100 Villeurbanne, France
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12
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Wang H, Wang J, Li Q, Du J. Substrate-free fluorescence ratiometric detection of serum acetylcholinesterase activity with a self-assembled CsPbBr 3 perovskite nanocrystals/tetraphenylporphyrin tetrasulfonic acid nanocomposite. Talanta 2022; 250:123746. [PMID: 35872485 DOI: 10.1016/j.talanta.2022.123746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 10/17/2022]
Abstract
A dual-emission fluorescent nanoprobe was successfully constructed through self-assembling CsPbBr3 perovskite nanocrystals (CsPbBr3 PNCs) and tetraphenylporphyrin tetrasulfonic acid (TPPS). Acetylcholinesterase (AChE) is observed to directly quench the green fluorescence of CsPbBr3 PNCs at 520 nm in the absence of an enzyme substrate, but has no significant influence on the red emission of TPPS at 650 nm. The decreased value of the fluorescence intensities ratio at 520 to 650 nm (ΔF520/F650) is proportional to the logarithmic value of AChE activity ranging from 0.05 to 1.0 U/L. The limit of detection is as low as 0.0042 U/L. The relative standard deviation is 3.6% in eleven consecutive measurements of 0.2 U/L AChE. The method exhibits a good anti-interference capacity since it does not respond to most concomitant species. Satisfactory results are acquired for the determination of AChE activity in human serum samples.
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Affiliation(s)
- Hongbo Wang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jing Wang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Qian Li
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jianxiu Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China.
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13
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Charoenkitamorn K, Siangproh W, Chailapakul O, Oyama M, Chaneam S. Simple Portable Voltammetric Sensor Using Anodized Screen-Printed Graphene Electrode for the Quantitative Analysis of p-Hydroxybenzoic Acid in Cosmetics. ACS OMEGA 2022; 7:16116-16126. [PMID: 35571801 PMCID: PMC9097212 DOI: 10.1021/acsomega.2c01434] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/21/2022] [Indexed: 06/01/2023]
Abstract
Screen-printed graphene electrodes (SPGEs) have become a potential option in electrochemical applications because of their outstanding properties and disposable approach to miniaturize the electrodes for onsite analysis. Herein, the detection of para-hydroxybenzoic acid (PHBA) in cosmetics using the anodized SPGE has been pioneered and reported. The simple anodization of the SPGE surface was operated by anodic pretreatment at a constant potential on SPGE. The surface morphologies and electrochemical behaviors of anodized SPGEs in different anodization electrolytes were examined. Using anodized SPGE in a phosphate-buffered solution, a nontoxic solution, the sensitivity of PHBA detection was significantly improved compared with pristine SPGE owing to the increase of the polar oxygen-containing functional group during the anodization. The anodized SPGE could detect a PHBA down to 0.073 μmol/L. Finally, the developed anodized SPGE presented high ability and feasibility for PHBA detection in cosmetics. Furthermore, a facile electrode preparation step with a nontoxic solution can present high reproducibility and compatibility with a portable potentiostat for onsite PHBA detection during manufacturing.
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Affiliation(s)
- Kanokwan Charoenkitamorn
- Department
of Chemistry, Faculty of Science, Silpakorn
University, Nakhon
Pathom 73000, Thailand
| | - Weena Siangproh
- Department
of Chemistry, Faculty of Science, Srinakharinwirot
University, Sukhumvit 23, Wattana, Bangkok 10110, Thailand
| | - Orawon Chailapakul
- Electrochemistry
and Optical Spectroscopy Center of Excellence, Department of Chemistry,
Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Munetaka Oyama
- Department
of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8520, Japan
| | - Sumonmarn Chaneam
- Department
of Chemistry, Faculty of Science, Silpakorn
University, Nakhon
Pathom 73000, Thailand
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14
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Fast Electrochemical Measurement of Laccase Activity for Monitoring Grapes’ Infection with Botrytis cinerea. Processes (Basel) 2022. [DOI: 10.3390/pr10030575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Grapes’ infection with the fungi Botrytis cinerea is one of the major causes of economic loss in the winemaking sector worldwide. The laccase activity of grapes is considered an appropriate indicator of this type of fungal infection, and enzymatic activity higher than 3 U/mL indicates a high risk of irreversibly damaged grape must due to enzymatic browning. This work describes a fast test for the measurement of laccase activity based on a dual optical and electrochemical detection method. A paper sensor impregnated with the enzymatic substrate dye 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) provides a semi-quantitative optical measurement. While the paper sensor can be used independently, when combined with a screen-printed electrode and amperometry measurements, it enables the quantitative detection of laccase activities down to 0.4 U/mL in only 5 min. The method was applied for monitoring the artificial infection of white, rosé, and red grapes with different strains of Botrytis cinerea. The results were confirmed by parallel analysis using the spectrophotometric method of laccase activity determination based on syringaldazine. The influence of the fungal strain and type of grape on laccase activity levels is reported. The demonstrated robustness, simplicity, and versatility of the developed method make it ideal for application on-site in the vineyard or at grape processing points.
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15
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Zhang H, Li X, Zhu Q, Wang Z. The recent development of nanomaterials enhanced paper-based electrochemical analytical devices. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116140] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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16
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Chang YJ, Lee MC, Chien YC. Quantitative determination of uric acid using paper-based biosensor modified with graphene oxide and 5-amino-1,3,4-thiadiazole-2-thiol. SLAS Technol 2022; 27:54-62. [PMID: 35058204 DOI: 10.1016/j.slast.2021.10.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Uric acid is the primary end product of human purine metabolism and has been regarded as a key parameter in urine and blood for monitoring physiological conditions. This paper presents a paper-based biosensor for a quantitative determination of uric acid using electrochemical detection. The working electrode of the biosensor is modified with graphene oxide (GO) and 5-amino-1,3,4-thiadiazole-2-thiol (ATT) by electropolymerizing ATT on the surface of graphene oxide. In this study, cyclic voltammetry (CV) measurements required only 200 μL of analyte solution. The experimental results showed that the oxidation peak current increased as the concentration of uric acid become higher and exhibited a linear relationship in the concentration range of 0.1-10 mM, indicating that this proposed biosensor has high sensitivity. In addition, this biosensor has good selectivity to detect uric acid because ATT has a specific binding with it. In human blood and body fluids, nitrites may be the only factor that can interfere with the detection of uric acid using this proposed biosensor. Nevertheless, uric acid can be discriminated from nitrite in the CV measurement due to different oxidation potentials. Thus, this proposed paper-based biosensor is a promising tool for detecting uric acid in biological samples.
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Affiliation(s)
- Yaw-Jen Chang
- Department of Mechanical Engineering, Chung Yuan Christian University, Chung Li District, Taoyuan City, 32023, Taiwan.
| | - Ming-Che Lee
- Department of Mechanical Engineering, Chung Yuan Christian University, Chung Li District, Taoyuan City, 32023, Taiwan
| | - You-Chiuan Chien
- Department of Mechanical Engineering, Chung Yuan Christian University, Chung Li District, Taoyuan City, 32023, Taiwan; Changhua Christian Hospital, Changhua City, Changhua County 500, Taiwan
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17
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A novel l-cysteine sensor using in-situ electropolymerization of l-cysteine: Potential to simple and selective detection. Talanta 2022; 237:122983. [PMID: 34736703 DOI: 10.1016/j.talanta.2021.122983] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 11/21/2022]
Abstract
This work presents an all-in-one origami paper-based electrochemical platform for simple and inexpensive l-cysteine (Cys) detection using Cys as a monomer for modifying electrode surfaces. The proposed method combines the steps of electropolymerization and detection into a single device to offer a highly convenient method for the end-user. In comparison, the sensitivity toward Cys detection is a significantly increased using this modified electrode. The developed device provided a linear concentration range of 10-800 μM with a limit of detection of 5.5 μM. For application, the device was successfully applied to detect Cys in different food products such as wheat flour, bread, and cake with satisfactory results, yielding excellent intra-day and inter-day relative standard deviations (1.5-4.9%) and recoveries (84.2-110.8%). This discovery is important from the viewpoint of the development of Cys detection in other applications in the future.
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18
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Zhao XH, Dai XC, Zhou YN, Zhang HX, Cui XH, Zhai X, Yu BF, Song ZL. A sensitive fluorescence biosensor based on metal ion-mediated DNAzyme activity for amplified detection of acetylcholinesterase. Analyst 2022; 147:2575-2581. [DOI: 10.1039/d2an00414c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
In this paper, we developed an amplified fluorescence biosensor for acetylcholinesterase (AChE) activity detection by taking advantage of the mercury ion-mediated Mgzyme (Mg2+-dependent DNAzyme) activity.
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Affiliation(s)
- Xu-Hua Zhao
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Xiao-Chun Dai
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Ya-Nan Zhou
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Han-Xiao Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Xiao-Hua Cui
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Xiang Zhai
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Bao-Feng Yu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Zhi-Ling Song
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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19
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A near-infrared light triggered fluormetric biosensor for sensitive detection of acetylcholinesterase activity based on NaErF 4: 0.5 % Ho 3+@NaYF 4 upconversion nano-probe. Talanta 2021; 235:122784. [PMID: 34517642 DOI: 10.1016/j.talanta.2021.122784] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/26/2021] [Accepted: 08/02/2021] [Indexed: 11/21/2022]
Abstract
Acetylcholinesterase (AChE), as an important neurotransmitter, is widely present in the peripheral and central nervous systems. The aberrant expression of AChE could cause diverse neurodegenerative diseases. Herein, we developed a facile and interference-free fluorimetric biosensing platform for highly sensitive AChE activity determination based on a NaErF4: 0.5 % Ho3+@NaYF4 nano-probe. This nano-probe exhibits a unique property of emitting bright monochromic red (650 nm) upconversion (UC) emission under multiband (~808, ~980, and ~1530 nm) near-infrared (NIR) excitations. The principle of this detection relies on the quenching of the strong monochromic red UC emission by oxidization products of 3,3',5,5'-tetramethylbenzidine generated through AChE-modulated cascade reactions. This system shows a great sensing performance with a detection limit (LOD) of 0.0019 mU mL- 1 for AChE, as well as good specificity and stability. Furthermore, we validated the potential of the nano-probe in biological samples by determination of AChE in whole blood with a LOD of 0.0027 mU mL-1, indicating the potential application of our proposed platform for monitoring the progression of AChE-related disease.
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20
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Khan S, Babadaei MMN, Hasan A, Edis Z, Attar F, Siddique R, Bai Q, Sharifi M, Falahati M. Enzyme-polymeric/inorganic metal oxide/hybrid nanoparticle bio-conjugates in the development of therapeutic and biosensing platforms. J Adv Res 2021; 33:227-239. [PMID: 34603792 PMCID: PMC8463903 DOI: 10.1016/j.jare.2021.01.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 01/02/2021] [Accepted: 01/22/2021] [Indexed: 12/23/2022] Open
Abstract
Background Because enzymes can control several metabolic pathways and regulate the production of free radicals, their simultaneous use with nanoplatforms showing protective and combinational properties is of great interest in the development of therapeutic nano-based platforms. However, enzyme immobilization on nanomaterials is not straightforward due to the toxic and unpredictable properties of nanoparticles in medical practice. Aim of review In fact, because of the ability to load enzymes on nano-based supports and increase their renewability, scientific groups have been tempted to create potential therapeutic enzymes in this field. Therefore, this study not only pays attention to the therapeutic and diagnostic applications of diseases by enzyme-nanoparticle (NP) bio-conjugate (abbreviated as: ENB), but also considers the importance of nanoplatforms used based on their toxicity, ease of application and lack of significant adverse effects on loaded enzymes. In the following, based on the published reports, we explained that the immobilization of enzymes on polymers, inorganic metal oxide and hybrid compounds provide hopes for potential use of ENBs in medical activities. Then, the use of ENBs in bioassay activities such as paper-based or wearing biosensors and lab-on-chip/microfluidic biosensors were evaluated. Finally, this review addresses the current challenges and future perspective of ENBs in biomedical applications. Key scientific concepts of review This literature may provide useful information regarding the application of ENBs in biosensing and therapeutic platforms.
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Affiliation(s)
- Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mohammad Mahdi Nejadi Babadaei
- Department of Molecular Genetics, Faculty of Biological Science, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Centre, Qatar University, Doha 2713, Qatar
| | - Zehra Edis
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, United Arab Emirates
- Center of Medical and Bio-allied Health Sciences Research, Ajman University, PO Box 346, Ajman, United Arab Emirates
| | - Farnoosh Attar
- Department of Food Toxicology, Research Center of Food Technology and Agricultural Products, Standard Research Institute (SRI), Karaj, Iran
| | - Rabeea Siddique
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Qian Bai
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
| | - Majid Sharifi
- Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
- Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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21
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Fluorescence and scattering based dual-optical signals ratiometric sensing and logic gate device for acetylcholinesterase activity assay. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106768] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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22
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Fan Q, Gao Y, Mazur F, Chandrawati R. Nanoparticle-based colorimetric sensors to detect neurodegenerative disease biomarkers. Biomater Sci 2021; 9:6983-7007. [PMID: 34528639 DOI: 10.1039/d1bm01226f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Neurodegenerative disorders (NDDs) are progressive, incurable health conditions that primarily affect brain cells, and result in loss of brain mass and impaired function. Current sensing technologies for NDD detection are limited by high cost, long sample preparation, and/or require skilled personnel. To overcome these limitations, optical sensors, specifically colorimetric sensors, have garnered increasing attention towards the development of a cost-effective, simple, and rapid alternative approach. In this review, we evaluate colorimetric sensing strategies of NDD biomarkers (e.g. proteins, neurotransmitters, bio-thiols, and sulfide), address the limitations and challenges of optical sensor technologies, and provide our outlook on the future of this field.
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Affiliation(s)
- Qingqing Fan
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Yuan Gao
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Federico Mazur
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
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23
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Li Y, Liang H, Lin B, Yu Y, Wang Y, Zhang L, Cao Y, Guo M. A ratiometric fluorescence strategy based on inner filter effect for Cu 2+-mediated detection of acetylcholinesterase. Mikrochim Acta 2021; 188:385. [PMID: 34664146 DOI: 10.1007/s00604-021-05044-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/30/2021] [Indexed: 11/26/2022]
Abstract
A novel ratiometric fluorescence strategy for detection of acetylcholestinerase (AChE) is proposed based on carbon nitride quantum dots (g-CNQD) and the complex (PA) formed between phenylboronic acid (PBA) and alizarin red S (ARS). PA showed fluorescence at 598 nm and quenched the fluorescence of g-CNQD at 438 nm. Through UV-visible absorption, fluorescence, and fluorescence lifetime measurements, the quenching effect was demonstrated as inner filter effect (IFE). When Cu2+ was added, the coordination of ARS and Cu2+ decreased the fluorescence of PA at 598 nm and recovered that of g-CNQD at 438 nm. In the presence of AChE it catalyzed the hydrolysis of acetylthiocholine (ATCh) to produce thiocholine (TCh) which competed with ARS for binding to Cu2+; thus, the fluorescence at 598 nm increased and that at 438 nm decreased again. Under the mediation of Cu2+, the fluorescence ratio F598/F438 of PA-CNQD probe had good linear relationship with AChE concentration in the range 0.5-15 mU/mL with a detection limit of 0.36 mU/mL. The method was successfully applied to the determination of AChE in human serum and the screening of inhibitors.
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Affiliation(s)
- Yongying Li
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China
| | - Haibo Liang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China
| | - Bixia Lin
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China.
| | - Ying Yu
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China.
| | - Yumin Wang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China
| | - Li Zhang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China
| | - Yujuan Cao
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China
| | - Manli Guo
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, No. 378 Waihuan West Road, University City, Guangzhou, 510006, Guangdong, China
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24
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Zhu H, Liu P, Xu L, Li X, Hu P, Liu B, Pan J, Yang F, Niu X. Nanozyme-Participated Biosensing of Pesticides and Cholinesterases: A Critical Review. BIOSENSORS 2021; 11:382. [PMID: 34677338 PMCID: PMC8534276 DOI: 10.3390/bios11100382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/21/2022]
Abstract
To improve the output and quality of agricultural products, pesticides are globally utilized as an efficient tool to protect crops from insects. However, given that most pesticides used are difficult to decompose, they inevitably remain in agricultural products and are further enriched into food chains and ecosystems, posing great threats to human health and the environment. Thus, developing efficient methods and tools to monitor pesticide residues and related biomarkers (acetylcholinesterase and butylcholinesterase) became quite significant. With the advantages of excellent stability, tailorable catalytic performance, low cost, and easy mass production, nanomaterials with enzyme-like properties (nanozymes) are extensively utilized in fields ranging from biomedicine to environmental remediation. Especially, with the catalytic nature to offer amplified signals for highly sensitive detection, nanozymes were finding potential applications in the sensing of various analytes, including pesticides and their biomarkers. To highlight the progress in this field, here the sensing principles of pesticides and cholinesterases based on nanozyme catalysis are definitively summarized, and emerging detection methods and technologies with the participation of nanozymes are critically discussed. Importantly, typical examples are introduced to reveal the promising use of nanozymes. Also, some challenges in the field and future trends are proposed, with the hope of inspiring more efforts to advance nanozyme-involved sensors for pesticides and cholinesterases.
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Affiliation(s)
- Hengjia Zhu
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China;
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
| | - Peng Liu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
| | - Lizhang Xu
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China;
| | - Xin Li
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
| | - Panwang Hu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
| | - Bangxiang Liu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
| | - Jianming Pan
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
| | - Fu Yang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
| | - Xiangheng Niu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; (P.L.); (X.L.); (P.H.); (B.L.); (J.P.)
- Key Laboratory of Functional Molecular Solids of Ministry of Education, Anhui Normal University, Wuhu 241002, China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
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25
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Jeon DY, Jang C. Simple and Label‐Free Liquid‐Crystal‐Based Detection of Acetylcholinesterase through Interactions between Liquid Crystals and Oil‐in‐Water Emulsion Droplets. ChemistrySelect 2021. [DOI: 10.1002/slct.202100536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Dong Yoon Jeon
- Department of Bionano Technology Gachon University Seongnam-daero 1342, Sujeong-gu Seongnam-si Gyeonggi-do 13120, Republic of Korea
| | - Chang‐Hyun Jang
- Department of Chemistry Gachon University Seongnam-daero 1342, Sujeong-gu Seongnam-si Gyeonggi-do 13120, Republic of Korea
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26
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ElDin NB, El-Rahman MKA, Zaazaa HE, Moustafa AA, Hassan SA. Microfabricated potentiometric sensor for personalized methacholine challenge tests during the COVID-19 pandemic. Biosens Bioelectron 2021; 190:113439. [PMID: 34166943 PMCID: PMC8197613 DOI: 10.1016/j.bios.2021.113439] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/29/2021] [Accepted: 06/10/2021] [Indexed: 10/26/2022]
Abstract
The methacholine challenge test is considered to be the gold standard bronchoprovocation test used to diagnose asthma, and this test is always performed in pulmonary function labs or doctors' offices. Methacholine (MCH) acts by inducing airway tightening/bronchoconstriction, and more importantly, MCH is hydrolyzed by cholinesterase enzyme (ChE). Recently, the American Thoracic Society raised concerns about pulmonary function testing during the COVID-19 pandemic due to recently reported correlation between cholinesterase and COVID-19 pneumonia severity/mortality, and it was shown that cholinesterase levels are reduced in the acute phase of severe COVID-19 pneumonia. This work describes the microfabrication of potentiometric sensors using copper as the substrate and chemically polymerized graphene nanocomposites as the transducing layer for tracking the kinetics of MCH enzymatic degradation in real blood samples. The in-vitro estimation of the characteristic parameters of the MCH metabolism [Michaelis-Menten constant (Km) and reaction velocity (Vmax)] were found to be 241.041 μM and 56.8 μM/min, respectively. The proposed sensor is designed to be used as a companion diagnostic device that can (i) answer questions about patient eligibility to perform methacholine challenge tests, (ii) individualize/personalize medical dosing of methacholine, (iii) provide portable and inexpensive devices allowing automated readouts without the need for operator intervention (iv) recommend therapeutic interventions including intensive care during early stages and reflecting the disease state of COVID-19 pneumonia. We hope that this methacholine electrochemical sensor will help in assaying ChE activity in a "timely" manner and predict the severity and prognosis of COVID-19 to improve treatment outcomes and decrease mortality.
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Affiliation(s)
- Norhan Badr ElDin
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, Cairo, 11562, Egypt.
| | - Mohamed K Abd El-Rahman
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, Cairo, 11562, Egypt
| | - Hala E Zaazaa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, Cairo, 11562, Egypt
| | - Azza A Moustafa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, Cairo, 11562, Egypt
| | - Said A Hassan
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, Cairo, 11562, Egypt
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Costa-Rama E, Fernández-Abedul MT. Paper-Based Screen-Printed Electrodes: A New Generation of Low-Cost Electroanalytical Platforms. BIOSENSORS 2021; 11:51. [PMID: 33669316 PMCID: PMC7920281 DOI: 10.3390/bios11020051] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/20/2021] [Accepted: 02/01/2021] [Indexed: 12/15/2022]
Abstract
Screen-printed technology has helped considerably to the development of portable electrochemical sensors since it provides miniaturized but robust and user-friendly electrodes. Moreover, this technology allows to obtain very versatile transducers, not only regarding their design, but also their ease of modification. Therefore, in the last decades, the use of screen-printed electrodes (SPEs) has exponentially increased, with ceramic as the main substrate. However, with the growing interest in the use of cheap and widely available materials as the basis of analytical devices, paper or other low-cost flat materials have become common substrates for SPEs. Thus, in this revision, a comprehensive overview on paper-based SPEs used for analytical proposes is provided. A great variety of designs is reported, together with several examples to illustrate the main applications.
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Liu C, Luo Y, Wen H, Qi Y, Shi G, Deng J, Zhou T. Red-to-blue paper-based colorimetric sensor integrated with smartphone for point-of-use analysis of cerebral AChE upon Cd 2+ exposure. NANOSCALE 2021; 13:1283-1290. [PMID: 33406172 DOI: 10.1039/d0nr07449g] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Herein, combined with a pervasive smartphone installed with a color recognition app, dual-responsive CDs@Eu/GMP ICPs were designed as a red-to-blue paper-based colorimetric sensor for the point-of-use analysis of cerebral acetylcholinesterase (AChE) upon Cd2+ exposure. Blue-emitting CDs with multi-functional groups as guests were encapsulated into the network of Eu/GMP ICPs to obtain CDs@Eu/GMP ICPs with the sensitized red fluorescence of Eu3+. With the presence of thiocholine (TCh), derived from acetylthiocholine (ATCh) hydrolyzed by AChE, the coordination environment of the CDs@Eu/GMP ICPs was interrupted, leading to the collapse of the CDs@Eu/GMP ICP network and the corresponding release of guest CDs into the surrounding environment. Consequently, the sensitized red fluorescence of Eu3+ decreased and the blue fluorescence of the CDs increased. This obvious red-to-blue fluorescent color changes of CDs@Eu/GMP ICPs on test paper could then be integrated with the smartphone for point-of-use analysis of cerebral AChE upon Cd2+ exposure, which not only offers a new analytical platform for a better understanding of the environmental risk of Alzheimer's Dementia (AD), but also holds great potential in the early diagnosis of AD even at the asymptomatic stage with the decrease in CSF AChE as an early biomarker.
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Affiliation(s)
- Chang Liu
- School of Ecological and Environmental Sciences, Shanghai Key Lab for Urban Ecological Process and Eco-Restoration, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China and Institute of Eco-Chongming, 3663 North Zhongshan Road, Shanghai 20062, China.
| | - Yuxin Luo
- School of Ecological and Environmental Sciences, Shanghai Key Lab for Urban Ecological Process and Eco-Restoration, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China and Institute of Eco-Chongming, 3663 North Zhongshan Road, Shanghai 20062, China.
| | - Huijie Wen
- School of Ecological and Environmental Sciences, Shanghai Key Lab for Urban Ecological Process and Eco-Restoration, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China and Institute of Eco-Chongming, 3663 North Zhongshan Road, Shanghai 20062, China.
| | - Yanxia Qi
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Guoyue Shi
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Jingjing Deng
- School of Ecological and Environmental Sciences, Shanghai Key Lab for Urban Ecological Process and Eco-Restoration, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China and Institute of Eco-Chongming, 3663 North Zhongshan Road, Shanghai 20062, China.
| | - Tianshu Zhou
- School of Ecological and Environmental Sciences, Shanghai Key Lab for Urban Ecological Process and Eco-Restoration, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China and Institute of Eco-Chongming, 3663 North Zhongshan Road, Shanghai 20062, China.
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Xiao T, Wang S, Yan M, Huang J, Yang X. A thiamine-triggered fluormetric assay for acetylcholinesterase activity and inhibitor screening based on oxidase-like activity of MnO2 nanosheets. Talanta 2021; 221:121362. [DOI: 10.1016/j.talanta.2020.121362] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/24/2020] [Accepted: 06/27/2020] [Indexed: 01/12/2023]
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Nakthong P, Kondo T, Chailapakul O, Siangproh W. Development of an unmodified screen-printed graphene electrode for nonenzymatic histamine detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:5407-5414. [PMID: 33125029 DOI: 10.1039/d0ay01443e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The high requirement for food quality control has inspired the creation of high-performance sensing, cost-effectiveness, and ease to use. Therefore, the aim of this work is to develop nonenzymatic electrochemical platforms for direct detection of histamine using unmodified screen-printed graphene electrodes (SPGEs) for their applications such as evaluation of fish freshness. In alkaline media (0.2 M NaOH), unmodified SPGEs showed a very low oxidation potential of histamine at +0.58 V (vs. Ag/AgCl) avoiding perturbations from other biogenic amines. The developed method offers an excellent selectivity, sensitivity (a limit of detection (at 3SD/slope) of 0.62 mg L-1) and wide working linear range (5-100 mg L-1) for histamine detection. In addition, the proposed method was successfully applied to detect histamine in canned fish samples with recovery values ranging from 90.72% to 101.21%. Therefore, this newly proposed method is promising as an alternative choice for the determination of histamine in fish samples and related food products.
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Affiliation(s)
- Prangthip Nakthong
- Electroanalytical and Imaging Sensor Research Group (EISRG), Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok 10110, Thailand.
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Potapova NV, Kasaikina OT, Berezin MP, Plashchina IG. Catalytic Generation of Radicals in Supramolecular Systems with Acetylcholine. KINETICS AND CATALYSIS 2020. [DOI: 10.1134/s0023158420050079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ye M, Lin B, Yu Y, Li H, Wang Y, Zhang L, Cao Y, Guo M. A ratiometric fluorescence probe based on graphene quantum dots and o-phenylenediamine for highly sensitive detection of acetylcholinesterase activity. Mikrochim Acta 2020; 187:511. [PMID: 32833082 DOI: 10.1007/s00604-020-04522-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 08/19/2020] [Indexed: 12/14/2022]
Abstract
By using graphene quantum dots (GQDs) and o-phenylenediamine (OPD), a ratiometric fluorescence probe was designed for the highly sensitive and selective detection of AChE. GQDs with strong fluorescence were synthesized by the one-step hydrothermal method. The optimal emission wavelength of GQDs was 450 nm at the excitation wavelength of 375 nm. MnO2 nanosheets with a wide absorption band of 300-600 nm were prepared at room temperature. Because of the extensive overlap between the absorption spectrum of MnO2 nanosheets and the excitation and emission spectra of GQDs, the fluorescence of GQDs at 450 nm was efficiently quenched by the inner-filter effect. Meanwhile, due to the peroxidase-like activity of MnO2 nanosheets, OPD was catalytically oxidized to 2,3-diaminophenazine (oxOPD), a yellow fluorescent substance with a new emission peak at 572 nm. When AChE was present, the substrate acetylthiocholine (ATCh) was hydrolyzed to thiocholine (TCh) that is capable of decomposing MnO2 nanosheets. Therefore, the quench of GQDs and the oxidation of OPD by MnO2 nanosheets were suppressed, resulting in the fluorescence recovery of GQDs at 450 nm, while the fluorescence decrease of oxOPD at 572 nm. Utilizing the fluorescence intensity ratio F450/F572 as the signal readout, the ratiometric fluorescence method was established to detect AChE activity. The ratio F450/F572 against the AChE concentration demonstrated two linear relationships in the range 0.1-2.0 and 2.0-4.5 mU mL-1 with a detection limit of 0.09 mU mL-1. The method was applied to the detection of positive human serum samples and the analysis of the inhibitor neostigmine. Due to the advantages of high sensitivity, favorable selectivity, and strong anti-interference, the method possesses an application prospect in clinical diagnosis of AChE and the screening of inhibitors. Graphical abstract Schematic presentation of a ratiometric fluorescence method for the detection of acetylcholinesterase (AChE). The fluorescence of graphene quantum dots (GQDs) is quenched and o-phenylenediamine (OPD) is oxidized to generate fluorescent product 2,3-diaminophenazine (oxOPD) by MnO2 nanosheets. When AChE is present, acetylthiocholine iodide (ATCh) is hydrolyzed to thiocholine (TCh) with reducibility for decomposing MnO2 nanosheets. Due to the decomposition of MnO2 nanosheets, the quenching of GQDs and oxidation of OPD are suppressed. The fluorescence of GQDs at 450 nm is enhanced, while the fluorescence of oxOPD at 572 nm is reduced. The fluorescence intensity ratio F450/F572 is used to establish the ratiometric fluorescence method for AChE activity.
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Affiliation(s)
- Mingshu Ye
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China
| | - Bixia Lin
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China.
| | - Ying Yu
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China.
| | - He Li
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China
| | - Yumin Wang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China
| | - Li Zhang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China
| | - Yujuan Cao
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China
| | - Manli Guo
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, China
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Ng JS, Hashimoto M. Fabrication of paper microfluidic devices using a toner laser printer. RSC Adv 2020; 10:29797-29807. [PMID: 35518222 PMCID: PMC9056319 DOI: 10.1039/d0ra04301j] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/23/2020] [Indexed: 12/23/2022] Open
Abstract
This paper describes a method to fabricate microfluidic paper-based analytical devices (μPADs) using a toner laser printer. Multiple methods have been reported for the fabrication of μPADs for point-of-care diagnostics and environmental monitoring. Despite successful demonstrations, however, existing fabrication methods depend on particular printers, in-house instruments, and synthetic materials. In particular, recent discontinuation of the solid wax printer has made it difficult to fabricate μPADs with readily available instruments. Herein we reported the fabrication of μPADs using the most widely available type of printer: a toner laser printer. Heating of printed toner at 200 °C allowed the printed toner to reflow, and the spreading of the hydrophobic polymer through the filter paper was characterized. Using the developed μPADs, we conducted model colorimetric assays for glucose and bovine serum albumin (BSA). We found that heating of filter paper at 200 °C for 60 min caused the pyrolysis of cellulose in the paper. The pyrolysis resulted in the formation of aldehydes that could interfere with molecular assays involving redox reactions. To overcome this problem, we confirmed that the removal of the aldehyde could be readily achieved by washing the μPADs with aqueous bleach. Overall, the developed fabrication method should be compatible with most toner laser printers and will make μPADs accessible in resource-limited circumstances.
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Affiliation(s)
- James S Ng
- Pillar of Engineering Product Development, Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore +65 6499 4867
| | - Michinao Hashimoto
- Pillar of Engineering Product Development, Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore +65 6499 4867
- SUTD-MIT International Design Centre, Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
- Digital Manufacturing and Design Centre, Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
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Suo Z, Liu X, Hou X, Liu Y, Lu J, Xing F, Chen Y, Feng L. Ratiometric Assays for Acetylcholinesterase Activity and Organo‐Phosphorous Pesticide Based on Superior Carbon Quantum Dots and BLGF‐Protected Gold Nanoclusters FRET Process. ChemistrySelect 2020. [DOI: 10.1002/slct.202002042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Zhiguang Suo
- Materials Genome InstituteShanghai University 99 Shangda Road Shanghai 200444 China
| | - Xiaowei Liu
- Materials Genome InstituteShanghai University 99 Shangda Road Shanghai 200444 China
| | - Xialing Hou
- Materials Genome InstituteShanghai University 99 Shangda Road Shanghai 200444 China
| | - Yu Liu
- College of QianweichangShanghai University 99 Shangda Road Shanghai 200444 China
| | - Jiayi Lu
- College of QianweichangShanghai University 99 Shangda Road Shanghai 200444 China
| | - Feifei Xing
- College of Science, Department of ChemistryShanghai University 99 Shangda Road Shanghai 200444 China
| | - Yingying Chen
- Materials Genome InstituteShanghai University 99 Shangda Road Shanghai 200444 China
| | - Lingyan Feng
- Materials Genome InstituteShanghai University 99 Shangda Road Shanghai 200444 China
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35
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Yáñez-Sedeño P, Campuzano S, Pingarrón JM. Screen-Printed Electrodes: Promising Paper and Wearable Transducers for (Bio)Sensing. BIOSENSORS 2020; 10:E76. [PMID: 32660011 PMCID: PMC7400178 DOI: 10.3390/bios10070076] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/05/2020] [Accepted: 07/07/2020] [Indexed: 12/18/2022]
Abstract
Screen-printing technology has revolutionized many fields, including that of electrochemical biosensing. Due to their current relevance, this review, unlike other papers, discusses the relevant aspects of electrochemical biosensors manufactured using this technology in connection to both paper substrates and wearable formats. The main trends, advances, and opportunities provided by these types of devices, with particular attention to the environmental and biomedical fields, are addressed along with illustrative fundamentals and applications of selected representative approaches from the recent literature. The main challenges and future directions to tackle in this research area are also pointed out.
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Affiliation(s)
- Paloma Yáñez-Sedeño
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain; (S.C.); (J.M.P.)
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36
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Pérez-Fernández B, Costa-García A, Muñiz ADLE. Electrochemical (Bio)Sensors for Pesticides Detection Using Screen-Printed Electrodes. BIOSENSORS 2020; 10:E32. [PMID: 32252430 PMCID: PMC7236603 DOI: 10.3390/bios10040032] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 03/27/2020] [Accepted: 03/30/2020] [Indexed: 12/12/2022]
Abstract
Pesticides are among the most important contaminants in food, leading to important global health problems. While conventional techniques such as high-performance liquid chromatography (HPLC) and mass spectrometry (MS) have traditionally been utilized for the detection of such food contaminants, they are relatively expensive, time-consuming and labor intensive, limiting their use for point-of-care (POC) applications. Electrochemical (bio)sensors are emerging devices meeting such expectations, since they represent reliable, simple, cheap, portable, selective and easy to use analytical tools that can be used outside the laboratories by non-specialized personnel. Screen-printed electrodes (SPEs) stand out from the variety of transducers used in electrochemical (bio)sensing because of their small size, high integration, low cost and ability to measure in few microliters of sample. In this context, in this review article, we summarize and discuss about the use of SPEs as analytical tools in the development of (bio)sensors for pesticides of interest for food control. Finally, aspects related to the analytical performance of the developed (bio)sensors together with prospects for future improvements are discussed.
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Affiliation(s)
| | | | - Alfredo de la Escosura- Muñiz
- NanoBioAnalysis Group-Department of Physical and Analytical Chemistry, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain
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Noviana E, McCord CP, Clark KM, Jang I, Henry CS. Electrochemical paper-based devices: sensing approaches and progress toward practical applications. LAB ON A CHIP 2020; 20:9-34. [PMID: 31620764 DOI: 10.1039/c9lc00903e] [Citation(s) in RCA: 140] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Paper-based sensors offer an affordable yet powerful platform for field and point-of-care (POC) testing due to their self-pumping ability and utility for many different analytical measurements. When combined with electrochemical detection using small and portable electronics, sensitivity and selectivity of the paper devices can be improved over naked eye detection without sacrificing portability. Herein, we review how the field of electrochemical paper-based analytical devices (ePADs) has grown since it was introduced a decade ago. We start by reviewing fabrication methods relevant to ePADs with more focus given to the electrode fabrication, which is fundamental for electrochemical sensing. Multiple sensing approaches applicable to ePADs are then discussed and evaluated to present applicability, advantages and challenges associated with each approach. Recent applications of ePADs in the fields of clinical diagnostics, environmental testing, and food analysis are also presented. Finally, we discuss how the current ePAD technologies have progressed to meet the analytical and practical specifications required for field and/or POC applications, as well as challenges and outlook.
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Affiliation(s)
- Eka Noviana
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA. and Department of Pharmaceutical Chemistry, School of Pharmacy, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Cynthia P McCord
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA.
| | - Kaylee M Clark
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA.
| | - Ilhoon Jang
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA. and Institute of Nano Science and Technology, Hanyang University, Seoul, South Korea
| | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA.
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Ju K, Gao Y, Xiao T, Yu C, Tan J, Xuan F. Laser direct writing of carbonaceous sensors on cardboard for human health and indoor environment monitoring. RSC Adv 2020; 10:18694-18703. [PMID: 35518308 PMCID: PMC9053907 DOI: 10.1039/d0ra02217a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/05/2020] [Indexed: 11/21/2022] Open
Abstract
Carbonaceous sensors on cardboard can be used for human health and indoor environment monitoring.
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Affiliation(s)
- Kuan Ju
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Yang Gao
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Ting Xiao
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Cunjiang Yu
- Department of Mechanical Engineering
- University of Houston
- Houston
- USA
| | - Jianpin Tan
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Fuzhen Xuan
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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Suntornsuk W, Suntornsuk L. Recent applications of paper‐based point‐of‐care devices for biomarker detection. Electrophoresis 2019; 41:287-305. [DOI: 10.1002/elps.201900258] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 09/30/2019] [Accepted: 10/05/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Worapot Suntornsuk
- Department of Microbiology, Faculty of ScienceKing Mongkut's University of Technology Thonburi Bangkok Thailand
| | - Leena Suntornsuk
- Department of Pharmaceutical ChemistryFaculty of PharmacyMahidol University Bangkok Thailand
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Moro G, Bottari F, Van Loon J, Du Bois E, De Wael K, Moretto LM. Disposable electrodes from waste materials and renewable sources for (bio)electroanalytical applications. Biosens Bioelectron 2019; 146:111758. [PMID: 31605984 DOI: 10.1016/j.bios.2019.111758] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 09/23/2019] [Accepted: 10/01/2019] [Indexed: 11/19/2022]
Abstract
The numerous advantages of disposable and screen-printed electrodes (SPEs) particularly in terms of portability, sensibility, sensitivity and low-cost led to the massive application of these electroanalytical devices. To limit the electronic waste and recover precious materials, new recycling processes were developed together with alternative SPEs fabrication procedures based on renewable, biocompatible sources or waste materials, such as paper, agricultural byproducts or spent batteries. The increased interest in the use of eco-friendly materials for electronics has given rise to a new generation of highly performing green modifiers. From paper based electrodes to disposable electrodes obtained from CD/DVD, in the last decades considerable efforts were devoted to reuse and recycle in the field of electrochemistry. Here an overview of recycled and recyclable disposable electrodes, sustainable electrode modifiers and alternative fabrication processes is proposed aiming to provide meaningful examples to redesign the world of disposable electrodes.
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Affiliation(s)
- Giulia Moro
- LSE Research Group, Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30172, Mestre, Italy; AXES Research Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Fabio Bottari
- AXES Research Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Joren Van Loon
- AXES Research Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium; Product Development Research Group, Faculty of Design Sciences, University of Antwerp, Ambtmanstraat 1, 2000, Antwerp, Belgium
| | - Els Du Bois
- Product Development Research Group, Faculty of Design Sciences, University of Antwerp, Ambtmanstraat 1, 2000, Antwerp, Belgium
| | - Karolien De Wael
- AXES Research Group, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
| | - Ligia Maria Moretto
- LSE Research Group, Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30172, Mestre, Italy.
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Electrochemical detection of NOx gas based on disposable paper-based analytical device using a copper nanoparticles-modified screen-printed graphene electrode. Biosens Bioelectron 2019; 143:111606. [DOI: 10.1016/j.bios.2019.111606] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/06/2019] [Accepted: 08/15/2019] [Indexed: 12/14/2022]
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Zhang P, Fu C, Xiao Y, Zhang Q, Ding C. Copper(II) complex as a turn on fluorescent sensing platform for acetylcholinesterase activity with high sensitivity. Talanta 2019; 208:120406. [PMID: 31816742 DOI: 10.1016/j.talanta.2019.120406] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 08/14/2019] [Accepted: 09/27/2019] [Indexed: 10/25/2022]
Abstract
Acetylcholinesterase (AChE) is an important enzyme associated with many nervous diseases, demonstrating the great need for smarter sensing platform with improved sensitivity, selectivity and simplified operation. A "turn on" fluorometric assay is described herein for AChE activity detection, according to the specific enzyme catalyzed reaction of acetylcholine (ATCh) by AChE, which generates thiocholine (TCh) as the product. The well-designed fluorescent probe HBTP possesses ESIPT (Excited State Intramolecular Proton Transfer) nature, leading to a larger Stokes shift, which could be quenched upon coordination with Cu2+. The fluorescence-silent HBTP-Cu2+ complex could be broken by TCh generated from reaction of ATCh with AChE, giving rise to HBTP release which originates from competitive coordination of TCh with Cu2+. This complex probe HBTP-Cu2+ offers a limit detection as low as 0.02 mU mL-1, which is lower than most reported literatures. Furthermore, both HBTP-Cu2+ and HBTP show little toxicity to live cells and is available in visualizing cellular AChE activity.
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Affiliation(s)
- Peng Zhang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Caixia Fu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yuzhe Xiao
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Qian Zhang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Caifeng Ding
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
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Mukherjee S, Pal S, Pal A, Ghosh D, Sarkar S, Bhand S, Sarkar P, Bhattacharyya N. UIIS Scan 1.1: A Field portable high-throughput platform tool for biomedical and agricultural applications. J Pharm Biomed Anal 2019; 174:70-80. [PMID: 31158608 DOI: 10.1016/j.jpba.2019.05.042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 05/16/2019] [Accepted: 05/20/2019] [Indexed: 11/17/2022]
Abstract
The colorimetric sensing technology has evolved into an essential tool for high-throughput analysis including portability and cost-effectiveness among available biomedical and agricultural screening approach. In this endeavor, the objective of work is to focus on the development of a field-portable instrument based on an Uniform Illumination Imaging System (UIIS), which will facilitate the colorimetric biochemical sensing. The developed field-portable, wavelength independent UIIS has been exploited for (a) rotavirus detection using commercial enzymatic immunoassay based microplate kit; (b) pesticide residue detection and quantification; The proposed system exhibited a good correlation in comparison to another two conventional techniques, i.e., multi-plate reader (r = 0.9991938) and LC-MS/MS (r = 0.998877399) with a short analysis time of 5 min for 95 test samples. Moreover, the feasibility of UIIS system has also been explored as field-portable enzyme-linked immunosorbent assay (ELISA) plate reader. By incorporating the Mahalanobis distance calculation, the advanced algorithm has been investigated and developed to analyze the data. The overall dataset was transformed into a matrix format to give a good correlation with a conventional plate reader, i.e., r = 0.915389612. Internet of things (IoT) enabled decision support system can be exploited by using big data analytics. Finally, test results can be shared with concerned stakeholders and the remote users. Thus, the developed UIIS will help to identify potential public health threats expeditiosly compared to conventional time consuming process of sample submission to the laboratory for analysis.
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Affiliation(s)
- Subhankar Mukherjee
- Agri and Environmental Electronics (AEE) Group, Centre for Development of Advanced Computing (C-DAC), Sector - V, Salt Lake, Kolkata, West Bengal 700091, India.
| | - Souvik Pal
- Agri and Environmental Electronics (AEE) Group, Centre for Development of Advanced Computing (C-DAC), Sector - V, Salt Lake, Kolkata, West Bengal 700091, India; Biosensor Lab. Department of Chemistry, BITS, Pilani -KK Birla Goa Campus, Goa 403726, India.
| | - Abhra Pal
- Agri and Environmental Electronics (AEE) Group, Centre for Development of Advanced Computing (C-DAC), Sector - V, Salt Lake, Kolkata, West Bengal 700091, India
| | - Devdulal Ghosh
- Agri and Environmental Electronics (AEE) Group, Centre for Development of Advanced Computing (C-DAC), Sector - V, Salt Lake, Kolkata, West Bengal 700091, India
| | - Subrata Sarkar
- Agri and Environmental Electronics (AEE) Group, Centre for Development of Advanced Computing (C-DAC), Sector - V, Salt Lake, Kolkata, West Bengal 700091, India
| | - Sunil Bhand
- Biosensor Lab. Department of Chemistry, BITS, Pilani -KK Birla Goa Campus, Goa 403726, India
| | - Priyabrata Sarkar
- Calcutta Institute of Technology. NH6, Banitabla, Uluberia, Howrah, West Bengal 711316, India
| | - Nabarun Bhattacharyya
- Agri and Environmental Electronics (AEE) Group, Centre for Development of Advanced Computing (C-DAC), Sector - V, Salt Lake, Kolkata, West Bengal 700091, India.
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Han Y, Ye Z, Wang F, Chen T, Wei L, Chen L, Xiao L. Single-particle enumeration-based ultrasensitive enzyme activity quantification with fluorescent polymer nanoparticles. NANOSCALE 2019; 11:14793-14801. [PMID: 31353389 DOI: 10.1039/c9nr01817d] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Acetylcholinesterase (AChE) plays a vital role in nerve conduction through rapidly hydrolyzing the neurotransmitter acetylcholine (ACh) and is correlated with Alzheimer's disease. In this work, a label-free single-particle enumeration (SPE) method for the quantitative detection of acetylcholinesterase (AChE) activity is developed. The design is based on the fluorescence resonance energy transfer (FRET) between fluorescent conjugated polymer nanoparticles (FCPNPs) and MnO2 nanosheets. The fluorescence of FCPNPs can be effectively quenched by MnO2 nanosheets via hydrogen bonding interaction. In the presence of acetylcholinesterase (AChE), acetylthiocholine (ATCh) could be hydrolyzed to thiocholine (TCh), which can reduce MnO2 to Mn2+ and trigger the decomposition of MnO2 nanosheets. As a result, the fluorescence of FCPNPs is restored. Taking advantage of the superior brightness and stable fluorescence emission from individual FCPNPs, the accurate quantification of AChE is achieved by statistically counting the fluorescent particles on the glass slide surface. A linear range from 5 to 1600 μU mL-1 is obtained for AChE assay and the limit-of-detection (LOD) is 1.02 μU mL-1, which is far below the spectroscopic measurements in bulk solution. In the human serum sample, satisfactory recovery efficiencies are determined in a range of 91.0%-103.0%. Furthermore, pesticide carbaryl as an inhibitor of AChE activity was detected. The LOD is 1.12 pg mL-1 with linear responses ranging from 5 to 300 pg mL-1, which demonstrates the feasibility of this approach for AChE inhibitor screening. As a consequence, the label-free SPE-based method affords a promising platform for the sensitive detection of target molecules in the future.
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Affiliation(s)
- Yameng Han
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China.
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Rahimi‐Mohseni M, Raoof JB, Aghajanzadeh TA, Ojani R. Rapid Determination of Phenolic Compounds in Water Samples: Development of a Paper‐based Nanobiosensor Modified with Functionalized Silica Nanoparticles and Potato Tissue. ELECTROANAL 2019. [DOI: 10.1002/elan.201800780] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mohadeseh Rahimi‐Mohseni
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of ChemistryUniversity of Mazandaran Babolsar Iran
| | - Jahan Bakhsh Raoof
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of ChemistryUniversity of Mazandaran Babolsar Iran
| | | | - Reza Ojani
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of ChemistryUniversity of Mazandaran Babolsar Iran
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Li Y, Hu Y, He Y, Ge Y, Song G, Zhou J. Sensitive Naked‐eye and Fluorescence Determination of Acetylcholinesterase Activity using Cu/Ag Nanoclusters Based on Inner Filter Effect. ChemistrySelect 2019. [DOI: 10.1002/slct.201901714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yanyue Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical MaterialsMinistry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional MoleculesCollege of Chemistry and Chemical EngineeringHubei University Wuhan 430062 China
| | - Yanling Hu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical MaterialsMinistry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional MoleculesCollege of Chemistry and Chemical EngineeringHubei University Wuhan 430062 China
| | - Yu He
- Hubei Collaborative Innovation Center for Advanced Organic Chemical MaterialsMinistry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional MoleculesCollege of Chemistry and Chemical EngineeringHubei University Wuhan 430062 China
| | - Yili Ge
- Hubei Collaborative Innovation Center for Advanced Organic Chemical MaterialsMinistry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional MoleculesCollege of Chemistry and Chemical EngineeringHubei University Wuhan 430062 China
| | - Gongwu Song
- Hubei Collaborative Innovation Center for Advanced Organic Chemical MaterialsMinistry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional MoleculesCollege of Chemistry and Chemical EngineeringHubei University Wuhan 430062 China
| | - Jiangang Zhou
- Hubei Province Key Laboratory of Regional Development and Environment Response Wuhan 430062 China
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Pinyorospathum C, Chaiyo S, Sae-ung P, Hoven VP, Damsongsang P, Siangproh W, Chailapakul O. Disposable paper-based electrochemical sensor using thiol-terminated poly(2-methacryloyloxyethyl phosphorylcholine) for the label-free detection of C-reactive protein. Mikrochim Acta 2019; 186:472. [DOI: 10.1007/s00604-019-3559-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 05/24/2019] [Indexed: 11/29/2022]
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48
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Beitollahi H, Safaei M, Tajik S. Screen‐printed Electrode Modified with ZnFe
2
O
4
Nanoparticles for Detection of Acetylcholine. ELECTROANAL 2019. [DOI: 10.1002/elan.201900116] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hadi Beitollahi
- NanoBioElectrochemistry Research CenterBam University of Medical Sciences Bam Iran
- Environment DepartmentInstitute of Science and High Technology and Environmental SciencesGraduate University of Advanced Technology Kerman Iran
- Research Center of Tropical and Infectious DiseasesKerman University of Medical Sciences Kerman Iran
| | - Mohadeseh Safaei
- Environment DepartmentInstitute of Science and High Technology and Environmental SciencesGraduate University of Advanced Technology Kerman Iran
| | - Somayeh Tajik
- NanoBioElectrochemistry Research CenterBam University of Medical Sciences Bam Iran
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49
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Cancer diagnosis using nanomaterials based electrochemical nanobiosensors. Biosens Bioelectron 2019; 126:773-784. [DOI: 10.1016/j.bios.2018.11.026] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 11/15/2018] [Accepted: 11/16/2018] [Indexed: 12/11/2022]
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50
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Zhu G, Yin X, Jin D, Zhang B, Gu Y, An Y. Paper-based immunosensors: Current trends in the types and applied detection techniques. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.09.027] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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