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Fei J, Yang W, Dai Y, Xu W, Fan H, Zheng Y, Hong J, Zhang J, Zhu W, Zhou X. Oxygen-functionalized Fe 3O 4@o-polypyrrole acting as high-efficiency oxidase mimics and their application in glutathione colorimetric sensing. Talanta 2024; 278:126431. [PMID: 38943764 DOI: 10.1016/j.talanta.2024.126431] [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: 03/06/2023] [Revised: 06/09/2024] [Accepted: 06/13/2024] [Indexed: 07/01/2024]
Abstract
The enzyme-like properties of nanozymes may be considerably affected by the structure and surface groups, which thus need to be optimized. Here, through a simple NaOH chemical corrosion method, the chemical structure similar to N-Methylpyrrolidone (NMP), which possessed intrinsic oxidase-like activity, was introduced into polypyrrole (PPy), and then this nanomaterial became oxygen-functionalized PPy (o-PPy) with excellent oxidase-like activity from PPy without this property. Furthermore, after compounding magnetic Fe3O4, the obtained nanocomposites Fe3O4@o-PPy nanoparticles (Fe3O4@o-PPy NPs) showed superiorities in separation during synthesis and real-time control of enzyme catalysis. Studies have found that the enzymatic activity of Fe3O4@o-PPy NPs depended on the amount of functionalized oxygen and the conjugation extent of o-PPy. Fe3O4@o-PPy NPs had efficient oxidase-like activity under a wide range of pH and temperature. Based on the oxidase-like activity of Fe3O4@o-PPy NPs, a colorimetric sensor for glutathione (GSH), which presented rich color changes and satisfactory colorimetric resolution by adding the amaranth, was realized. We believe that the functional modification and structural regulation of PPy can not only realize its wider application but also promote the discovery of novel and efficient nanozymes.
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Affiliation(s)
- Jianwen Fei
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Wei Yang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Yin Dai
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Wei Xu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Huizhu Fan
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Yani Zheng
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Junli Hong
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Jun Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
| | - Wanying Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
| | - Xuemin Zhou
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
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2
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Dai Y, Xu W, Wen X, Fan H, Zhang Q, Zhang J, Zhang H, Zhu W, Hong J. Smartphone-assisted hydrogel platform based on BSA-CeO 2 nanoclusters for dual-mode determination of acetylcholinesterase and organophosphorus pesticides. Mikrochim Acta 2024; 191:185. [PMID: 38451330 DOI: 10.1007/s00604-024-06268-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/17/2024] [Indexed: 03/08/2024]
Abstract
A dual-mode sensor was developed for detecting acetylcholinesterase (AChE) and organophosphorus pesticides (OPs) via bifunctional BSA-CeO2 nanoclusters (NCs) with oxidase-mimetic activity and fluorescence property. The dual-mode sensor has the characteristics of self-calibration and self-verification, meeting the needs of different detection conditions and provide more accurate results. The colorimetric sensor and fluorescence sensor have been successfully used for detecting AChE with limit of detection (LOD) of 0.081 mU/mL and 0.056 mU/mL, respectively, while the LOD for OPs were 0.9 ng/mL and 0.78 ng/mL, respectively. The recovery of AChE was 93.9-107.2% and of OPs was 95.8-105.0% in actual samples. A novel strategy was developed to monitor pesticide residues and detect AChE level, which will motivate future work to explore the potential applications of multifunctional nanozymes.
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Affiliation(s)
- Yin Dai
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Wei Xu
- Jiangsu Provincial Hospital of Chinese Medicine, Nanjing, 210004, Jiangsu, China
| | - Xinyi Wen
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Huizhu Fan
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Qing Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Jun Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Hongsong Zhang
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, Jiangsu, China
| | - Wanying Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Junli Hong
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
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3
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Li T, Zhang J, Bu P, Wu H, Guo J, Guo J. Multi-modal nanoprobe-enabled biosensing platforms: a critical review. NANOSCALE 2024; 16:3784-3816. [PMID: 38323860 DOI: 10.1039/d3nr03726f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Nanomaterials show great potential for applications in biosensing due to their unique physical, chemical, and biological properties. However, the single-modal signal sensing mechanism greatly limits the development of single-modal nanoprobes and their related sensors. Multi-modal nanoprobes can realize the output of fluorescence, colorimetric, electrochemical, and magnetic signals through composite nanomaterials, which can effectively compensate for the defects of single-modal nanoprobes. Following the multi-modal nanoprobes, multi-modal biosensors break through the performance limitation of the current single-modal signal and realize multi-modal signal reading. Herein, the current status and classification of multi-modal nanoprobes are provided. Moreover, the multi-modal signal sensing mechanisms and the working principle of multi-modal biosensing platforms are discussed in detail. We also focus on the applications in pharmaceutical detection, food and environmental fields. Finally, we highlight this field's challenges and development prospects to create potential enlightenment.
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Affiliation(s)
- Tong Li
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiani Zhang
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Pengzhi Bu
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Haoping Wu
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiuchuan Guo
- University of Electronic Science and Technology of China, Chengdu, China.
| | - Jinhong Guo
- School of Sensing Science and Engineering, Shanghai Jiao Tong, University, Shanghai, China.
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Ghosh S, Yang CJ, Lai JY. Optically active two-dimensional MoS 2-based nanohybrids for various biosensing applications: A comprehensive review. Biosens Bioelectron 2024; 246:115861. [PMID: 38029711 DOI: 10.1016/j.bios.2023.115861] [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: 09/19/2023] [Revised: 11/10/2023] [Accepted: 11/16/2023] [Indexed: 12/01/2023]
Abstract
Following the discovery of graphene, there has been a surge in exploring other two-dimensional (2D) nanocrystals, including MoS2. Over the past few decades, MoS2-based nanocrystals have shown great potential applications in biosensing, owing to their excellent physico-chemical properties. Unlike graphene, MoS2 shows layer-dependent finite band gaps (∼1.8 eV for a single layer and ∼1.2 for bulk) and relatively strong interaction with the electromagnetic spectrum. The tunability of the size, shape, and intrinsic properties, such as high optical absorption, electron mobility, mechanical strength and large surface area, of MoS2 nanocrystals, make them excellent alternative probe materials for preparing optical, photothermal, and electrical bio/immunosensors. In this review, we will provide insights into the rapid evolutions in bio/immunosensing applications based on MoS2 and its nanohybrids. We emphasized the various synthesis, characterization, and functionalization routes of 2D MoS2 nanosheets/nanoflakes. Finally, we discussed various fabrication techniques and the critical parameters, including the limit of detection (LOD), linear detection range, and sensitivity of the biosensors. In addition, the role of MoS2 in enhancing the performance of biosensors, the limitations associated with current biosensing technologies, future challenges, and clinical implications are addressed. The advantages/disadvantages of each biosensor technique are also summarized. Collectively, we believe that this review will encourage resolute researchers to follow up further with the state-of-the-art MoS2-based biosensing technology.
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Affiliation(s)
- Sandip Ghosh
- Department of Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Chia-Jung Yang
- Department of Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Jui-Yang Lai
- Department of Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan; Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou, Taoyuan, 33305, Taiwan; Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan; Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 33303, Taiwan.
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5
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Zhao F, Guo D, Tang X, Lan J, Chen J. Ratiometrically electrochemical and colorimetric dual-mode detection of glyphosate based on 2D Cu-TCPP(Fe) NSs. Talanta 2024; 267:125207. [PMID: 37717538 DOI: 10.1016/j.talanta.2023.125207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/23/2023] [Accepted: 09/11/2023] [Indexed: 09/19/2023]
Abstract
In this work, a dual-signal output sensor was developed for the ratiometrically electrochemical and colorimetric detection of glyphosate (GLYP) based on the duplex nature of 2D Cu-TCPP(Fe) nanosheets (2D Cu-TCPP(Fe) NSs). Cu active center sites in 2D Cu-TCPP(Fe) NSs could transform into CuCl for signal amplification in the presence of chloride ions (Cl-), which dropped dramatically upon GLPY addition due to the strong interaction between GLYP and cuprous ion triggering the competitive reaction with the conversion of CuCl into Cu-GLYP complex. Meanwhile, the constant current signals of Fe2+/3+ in the iron-porphyrin structure of Cu-TCPP(Fe) served as an inner reference, resulting in a ratiometrically electrochemical GLYP sensor. Moreover, 2D Cu-TCPP(Fe) NSs with intrinsic peroxidase-like activity was employed for the colorimetric determination of GLYP based on the specific inhibitory effect of GLYP on the peroxidase activity of 2D Cu-TCPP(Fe) nanozyme. GLYP concentrations can be quantified in the range from 1.0 × 10-10 M to 1.0 × 10-6 M and 1.0 × 10-9 M to 1.0 × 10-7 M, with detection limits of 3.9 × 10-12 M and 1.89 × 10-11 M for ratiometrically electrochemical method and colorimetric assay, respectively. Such a dual-mode sensor with remarkable selectivity, reproducibility, and stability was finally applied for GLYP detection in real samples and reliable outcomes were achieved.
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Affiliation(s)
- Fan Zhao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China.
| | - Dongqing Guo
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
| | - Xuan Tang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
| | - Jingyue Lan
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
| | - Jing Chen
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
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Aygun A, Sahin G, Tiri RNE, Tekeli Y, Sen F. Colorimetric sensor based on biogenic nanomaterials for high sensitive detection of hydrogen peroxide and multi-metals. CHEMOSPHERE 2023; 339:139702. [PMID: 37553042 DOI: 10.1016/j.chemosphere.2023.139702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/27/2023] [Accepted: 07/30/2023] [Indexed: 08/10/2023]
Abstract
Hydrogen peroxide (H2O2) and heavy metals, which are among the wastes of the industrial sector, become a threat to living things and the environment above certain concentrations. Therefore, the detection of both H2O2 and heavy metals with simple, low-cost, and fast analytical methods has gained great importance. The use of nanoparticles in colorimetric sensor technology for the detection of these analytes provides great advantages. In recent years, green synthesis of nanomaterials with products that can be considered biowaste is among the popular topics. In this study, silver/silver chloride nanoparticles (Ag@AgCl NPs) were synthesized using the green synthesis method as an eco-friendly and cheap method, the green algae extract was used as a reducing agent. The characterization of Ag@AgCl nanoparticles and green algae extract was carried out with several techniques such as Transmission Electron Microscopy (TEM), UV-Visible spectrometry (UV-Vis), Fourier-transform infrared spectroscopy (FTIR), and X-ray diffraction patterns (XRD) methods were used for characterization. According to TEM analysis, the Ag@AgCl NPs typically spherical in form and range in size from 4 to 10 nm, and UV-vis showed the formation of surface plasmon resonance (SPR) of the Ag@AgCl between 400 and 450 nm. In addition, its activity as a colorimetric sensor for hydrogen peroxide (H2O2) and multi-metal detection was evaluated. Interestingly, Ag/AgCl NPs caused different color formations for 3 metals simultaneously in the sensor study for heavy metal detection, and Fe3+, Cu2+, and Cr6+ ions were detected. The R2 values for H2O2, Fe3+, Cu2+, and Cr6+ were 0.9360, 0.9961, 0.9787, and 0.9625 the limit of detection (LOD) was 43.75, 1.69, 3.18, and 5.05 ppb (ng/mL), respectively. It was determined that Ag@AgCl NPs have the potential to be used as a colorimetric sensor for the detection of H2O2 and heavy metals from wastewater.
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Affiliation(s)
- Aysenur Aygun
- Sen Research Group, Biochemistry Department, Faculty of Arts and Science, Dumlupinar University, Evliya Celebi Campus, 43100, Kutahya, Turkiye; SRG Incorporated Company, Kutahya Design & Technopole, Calca OSB Neighbourhood, 43100 Kutahya, Turkiye
| | - Gulsade Sahin
- Sen Research Group, Biochemistry Department, Faculty of Arts and Science, Dumlupinar University, Evliya Celebi Campus, 43100, Kutahya, Turkiye
| | - Rima Nour Elhouda Tiri
- Sen Research Group, Biochemistry Department, Faculty of Arts and Science, Dumlupinar University, Evliya Celebi Campus, 43100, Kutahya, Turkiye; SRG Incorporated Company, Kutahya Design & Technopole, Calca OSB Neighbourhood, 43100 Kutahya, Turkiye
| | - Yener Tekeli
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Adiyaman University, Adiyaman University Central Campus, 02040, Adiyaman, Turkiye
| | - Fatih Sen
- Sen Research Group, Biochemistry Department, Faculty of Arts and Science, Dumlupinar University, Evliya Celebi Campus, 43100, Kutahya, Turkiye; SRG Incorporated Company, Kutahya Design & Technopole, Calca OSB Neighbourhood, 43100 Kutahya, Turkiye.
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7
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Fei J, Yang W, Dai Y, Xu W, Fan H, Zheng Y, Zhang J, Zhu W, Hong J, Zhou X. A biosensor based on Fe 3O 4@MXene-Au nanocomposites with high peroxidase-like activity for colorimetric and smartphone-based detection of glucose. Mikrochim Acta 2023; 190:336. [PMID: 37515610 DOI: 10.1007/s00604-023-05900-1] [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: 04/07/2023] [Accepted: 06/28/2023] [Indexed: 07/31/2023]
Abstract
A novel magnetic nanozyme Fe3O4@MXene-Au nanocomposite, which possessed higher peroxidase-like activity than that of Fe3O4 nanoparticles and Fe3O4@MXene nanocomposites, was developed. The outstanding magnetic properties of the nanozyme endowed it with the ability of simple and rapid separation, achieving great recyclability. Based on Fe3O4@MXene-Au nanocomposites and glucose oxidase (Glu Ox), a highly selective colorimetric biosensor for glucose detection was developed. Fe3O4@MXene-Au nanocomposites can catalyze H2O2 produced from glucose catalyzed by glucose oxidase to ·OH and oxidize colorless 3,3',5,5'-tetramethylbenzidine (TMB) to blue oxidized TMB (oxTMB) with a significant absorbance at 652 nm. The linear range of glucose was 0-1.4 mM under optimal conditions, with a limit of detection (LOD) of 0.11 mM. Glucose in human whole blood was successfully detected with satisfactory recoveries. Furthermore, a facile agarose hydrogel detection platform was designed. With smartphone software, glucose detection can be realized by the agarose hydrogel platform, demonstrating the potential in on-site and visual detection of glucose.
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Affiliation(s)
- Jianwen Fei
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Wei Yang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Yin Dai
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Wei Xu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Huizhu Fan
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Yani Zheng
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Jun Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Wanying Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
| | - Junli Hong
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
| | - Xuemin Zhou
- School of Pharmacy, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
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8
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Sobahi N, Imran M, Khan ME, Mohammad A, Alam MM, Yoon T, Mehedi IM, Hussain MA, Abdulaal MJ, Jiman AA. Electrochemical Sensing of H 2O 2 by Employing a Flexible Fe 3O 4/Graphene/Carbon Cloth as Working Electrode. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2770. [PMID: 37049064 PMCID: PMC10096334 DOI: 10.3390/ma16072770] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 06/19/2023]
Abstract
We report the synthesis of Fe3O4/graphene (Fe3O4/Gr) nanocomposite for highly selective and highly sensitive peroxide sensor application. The nanocomposites were produced by a modified co-precipitation method. Further, structural, chemical, and morphological characterization of the Fe3O4/Gr was investigated by standard characterization techniques, such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM) and high-resolution TEM (HRTEM), Fourier transform infrared (FTIR), and X-ray photoelectron spectroscopy (XPS). The average crystal size of Fe3O4 nanoparticles was calculated as 14.5 nm. Moreover, nanocomposite (Fe3O4/Gr) was employed to fabricate the flexible electrode using polymeric carbon fiber cloth or carbon cloth (pCFC or CC) as support. The electrochemical performance of as-fabricated Fe3O4/Gr/CC was evaluated toward H2O2 with excellent electrocatalytic activity. It was found that Fe3O4/Gr/CC-based electrodes show a good linear range, high sensitivity, and a low detection limit for H2O2 detection. The linear range for the optimized sensor was found to be in the range of 10-110 μM and limit of detection was calculated as 4.79 μM with a sensitivity of 0.037 µA μM-1 cm-2. The cost-effective materials used in this work as compared to noble metals provide satisfactory results. As well as showing high stability, the proposed biosensor is also highly reproducible.
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Affiliation(s)
- Nebras Sobahi
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.M.A.)
| | - Mohd Imran
- Department of Chemical Engineering, College of Engineering, Jazan University, Jazan 45142, Saudi Arabia
| | - Mohammad Ehtisham Khan
- Department of Chemical Engineering Technology, College of Applied Industrial Technology (CAIT), Jazan University, Jazan 45142, Saudi Arabia
| | - Akbar Mohammad
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea;
| | - Md. Mottahir Alam
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.M.A.)
| | - Taeho Yoon
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea;
| | - Ibrahim M. Mehedi
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.M.A.)
- Center of Excellence in Intelligent Engineering Systems (CEIES), King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammad A. Hussain
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.M.A.)
| | - Mohammed J. Abdulaal
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.M.A.)
| | - Ahmad A. Jiman
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.M.A.)
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9
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Koyappayil A, Yagati AK, Lee MH. Recent Trends in Metal Nanoparticles Decorated 2D Materials for Electrochemical Biomarker Detection. BIOSENSORS 2023; 13:bios13010091. [PMID: 36671926 PMCID: PMC9855691 DOI: 10.3390/bios13010091] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/27/2022] [Accepted: 01/01/2023] [Indexed: 05/29/2023]
Abstract
Technological advancements in the healthcare sector have pushed for improved sensors and devices for disease diagnosis and treatment. Recently, with the discovery of numerous biomarkers for various specific physiological conditions, early disease screening has become a possibility. Biomarkers are the body's early warning systems, which are indicators of a biological state that provides a standardized and precise way of evaluating the progression of disease or infection. Owing to the extremely low concentrations of various biomarkers in bodily fluids, signal amplification strategies have become crucial for the detection of biomarkers. Metal nanoparticles are commonly applied on 2D platforms to anchor antibodies and enhance the signals for electrochemical biomarker detection. In this context, this review will discuss the recent trends and advances in metal nanoparticle decorated 2D materials for electrochemical biomarker detection. The prospects, advantages, and limitations of this strategy also will be discussed in the concluding section of this review.
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Affiliation(s)
| | | | - Min-Ho Lee
- Correspondence: ; Tel.: +82-2-820-5503; Fax: +82-2-814-2651
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10
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Liu M, Geng L, Zhang F, Dou S, Li F, Liu Z, Guo Y, Sun X. Isolation of Bacteria Aptamers with Non-SELEX for the Development of a Highly Sensitive Colorimetric Assay Based on Dual Signal Amplification. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15990-15998. [PMID: 36508287 DOI: 10.1021/acs.jafc.2c06167] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In this work, an aptamer against Escherichia coli is isolated via non-SELEX, which executes efficient selection by employing repetitive cycles of centrifugation-based partitioning, and the binding site of the aptamer on E. coli cell surfaces is inferred to be a membrane protein. Moreover, truncated sequence 2-17-2 with a higher affinity (Kd = 101.76 nM) is employed for highly sensitive colorimetric detection of bacteria based on the dual signal amplification strategy. When targets exist, the release of DNA 1 from the polymer activates a hybridization chain reaction (HCR) between DNA 1 and DNA 2, thereby inducing the aggregation of probe 1. Subsequently, DNA 3 dissociated from probe 1 as a linker DNA further assembles probe 2/3. In this system, two types of DNA@gold nanoparticles (AuNPs) coexist and successively aggregate AuNPs based on divergent triggering mechanisms. Under optimal conditions, the dual signal amplification strategy presents excellent sensitivity (10 CFU mL-1) and specificity, as well as the realization of real sample analysis.
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Affiliation(s)
- Mengyue Liu
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Lingjun Geng
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Fengjuan Zhang
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Shouyi Dou
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Falan Li
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Zhanli Liu
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Yemin Guo
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
| | - Xia Sun
- College of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo 255049, Shandong, China
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Zhu D, He P, Kong H, Yang G, Luan X, Wei G. Biomimetic graphene-supported ultrafine platinum nanowires for colorimetric and electrochemical detection of hydrogen peroxide. J Mater Chem B 2022; 10:9216-9225. [PMID: 36314985 DOI: 10.1039/d2tb02132c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The detection of hydrogen peroxide (H2O2) is of great significance in environmental monitoring, enzymatic reactions, and disease diagnosis. Here we present the peptide-mediated biomimetic synthesis of ultrafine platinum nanowires (PtNWs) on graphene oxide (GO) nanosheets for the formation of functional hybrids, which show high potential for the fabrication of colorimetric and electrochemical sensors for the detection of H2O2 with high performance. A multifunctional peptide with the sequence KIIIIKYWYAF was designed to create peptide nanofibers (PNFs) via a controllable self-assembly process, which serves as a bridge between GO nanosheets and PtNWs to form PtNWs-PNFs/GO hybrids. On this basis, a dual-mode sensor platform for both colorimetric and electrochemical sensing of H2O2 was fabricated successfully. The obtained results indicate that the synthesized PtNWs-PNFs/GO hybrids could catalyze the decomposition of H2O2 to generate ˙OH radicals with a significant current response, and the ˙OH radicals are capable of overoxidizing 3,3',5,5',-tetramethylbenzidine (TMB), producing a blue-colored species with a distinct color change for colorimetric sensing. In addition, due to its high catalytic activity, the fabricated PtNWs-PNFs/GO hybrid-based electrochemical sensor exhibits a wider linear detection range of 0.05 μM-15 mM and a low detection limit of 0.0206 μM, which can be applied to detect H2O2 with high selectivity and sensitivity. Our study provides a green and environmentally friendly synthetic strategy for the preparation of biomimetic materials from PtNWs, and the fabricated colorimetric/electrochemical dual-mode H2O2 sensor platform will have a great impact in bioanalysis, environmental monitoring, and biomedicine.
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Affiliation(s)
- Danzhu Zhu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China.
| | - Peng He
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China.
| | - Hao Kong
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China.
| | - Guozheng Yang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China.
| | - Xin Luan
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China.
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China. .,Cixi Institute of Biomedical Engineering, International Cooperation Base of Biomedical Materials Technology and Application, Chinese Academy of Science (CAS) Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, CAS, Ningbo 315201, P. R. China
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