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Du H, Dang X, Chen R, Li Y, Cui N, Yang H. A universal three-dimensional hydrogel electrode for electrochemical detection of SARS-CoV-2 nucleocapsid protein and hydrogen peroxide. Biosens Bioelectron 2024; 259:116355. [PMID: 38754196 DOI: 10.1016/j.bios.2024.116355] [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: 01/27/2024] [Revised: 04/09/2024] [Accepted: 04/30/2024] [Indexed: 05/18/2024]
Abstract
Coronavirus disease 2019 (COVID-19) is a highly contagious illness caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), resulting in a global health crisis. The primary diagnostic method for COVID-19 is quantitative reverse transcription PCR, which is time-consuming and requires expensive instrumentation. Here, we developed an electrochemical biosensor for detecting SARS-CoV-2 biomarkers using a 3D porous polyacrylamide/polyaniline hydrogel (PPG) electrode prepared by UV photopolymerization and in situ polymerization. The electrochemical immunosensor for detecting SARS-CoV-2 N protein via the immune sandwich principle demonstrated a lower detection limit of 42 pg/mL and comparable specificity to a commercial enzyme-linked immunosorbent assay, which was additionally validated in pseudoviruses. The electrochemical sensor for hydrogen peroxide showed a low detection limit of 0.5 μM and excellent selectivity, which was further confirmed in cancer cells under oxidative stress. The biomarkers of SARS-CoV-2 were successfully detected due to the signal amplification capability provided by 3D porous electrodes and the high sensitivity of the antigen-antibody specific binding. This study introduces a novel three-dimensional electrode with great potential for the early detection of SARS-CoV-2.
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Affiliation(s)
- Haoze Du
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China
| | - Xinmin Dang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China
| | - Ran Chen
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China
| | - Yiwei Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China
| | - Ning Cui
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China.
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China.
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Qiu M, Yuan Z, Li N, Yang X, Zhang X, Jiang Y, Zhao Q, Man C. Self-assembled bifunctional nanoflower-enabled CRISPR/Cas biosensing platform for dual-readout detection of Salmonella enterica. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134323. [PMID: 38640680 DOI: 10.1016/j.jhazmat.2024.134323] [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: 02/07/2024] [Revised: 04/02/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
Sensitive detection and point-of-care test of bacterial pathogens is of great significance in safeguarding the public health worldwide. Inspired by the characteristics of horseradish peroxidase (HRP), we synthesized a hybrid nanoflower with peroxidase-like activity via a three-component self-assembled strategy. Interestingly, the prepared nanozyme not only could act as an alternative to HRP for colorimetric biosensing, but also function as a unique signal probe that could be recognized by a pregnancy test strip. By combining the bifunctional properties of hybrid nanoflower, isothermal amplification of LAMP, and the specific recognition and non-specific cleavage properties of CRISPR/Cas12a system, the dual-readout CRISPR/Cas12a biosensor was developed for sensitive and rapid detection of Salmonella enterica. Moreover, this platform in the detection of Salmonella enterica had limits of detection of 1 cfu/mL (colorimetric assay) in the linear range of 101-108 cfu/mL and 102 cfu/mL (lateral flow assay) in the linear range of 102-108 cfu/mL, respectively. Furthermore, the developed biosensor exhibited good recoveries in the spiked samples (lake water and milk) with varying concentrations of Salmonella enterica. This work provides new insights for the design of multifunctional nanozyme and the development of innovative dual-readout CRISPR/Cas system-based biosensing platform for the detection of pathogens.
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Affiliation(s)
- Manyan Qiu
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhiyu Yuan
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Nan Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xinyan Yang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xianlong Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Food Laboratory of Zhongyuan, Luohe 462300, Henan, China
| | - Qianyu Zhao
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Chaoxin Man
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China.
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Kokulnathan T, Wang TJ, Ahmed F, Alshahrani T, Arshi N. Synergism of Holmium Orthovanadate/Phosphorus-Doped Carbon Nitride Nanocomposite: Nonenzymatic Electrochemical Detection of Hydrogen Peroxide. Inorg Chem 2024; 63:3019-3027. [PMID: 38286799 PMCID: PMC10865356 DOI: 10.1021/acs.inorgchem.3c03804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 01/31/2024]
Abstract
Developing efficient and robust electrode materials for electrochemical sensors is critical for real-time analysis. In this paper, a hierarchical holmium vanadate/phosphorus-doped graphitic carbon nitride (HoVO4/P-CN) nanocomposite is synthesized and used as an electrode material for electrochemical detection of hydrogen peroxide (H2O2). The HoVO4/P-CN nanocomposite exhibits superior electrocatalytic activity at a peak potential of -0.412 V toward H2O2 reduction in alkaline electrolytes while compared with other reported electrocatalysts. The HoVO4/P-CN electrochemical platform operated under the optimized conditions shows excellent analytical performance for H2O2 detection with a linear concentration range of 0.009-77.4 μM, a high sensitivity of 0.72 μA μM-1 cm-2, and a low detection limit of 3.0 nΜ. Furthermore, the HoVO4/P-CN-modified electrode exhibits high selectivity, remarkable stability, good repeatability, and satisfactory reproducibility in detecting H2O2. Its superior performance can be attributed to a large specific surface area, high conductivity, more active surface sites, unique structure, and synergistic action of HoVO4 and P-CN to benefit enhanced electrochemical activity. The proposed HoVO4/P-CN electrochemical platform is effectively applied to ascertain the quantity of H2O2 in food and biological samples. This work outlines a promising and effectual strategy for the sensitive electrochemical detection of H2O2 in real-world samples.
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Affiliation(s)
- Thangavelu Kokulnathan
- Department
of Electro-Optical Engineering, National
Taipei University of Technology, Taipei 106, Taiwan
| | - Tzyy-Jiann Wang
- Department
of Electro-Optical Engineering, National
Taipei University of Technology, Taipei 106, Taiwan
| | - Faheem Ahmed
- Department
of Applied Sciences & Humanities, Faculty of Engineering &
Technology, Jamia Millia Islamia, New Delhi 110025, India
| | - Thamraa Alshahrani
- Department
of Physics, College of Science, Princess
Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Nishat Arshi
- Department
of Basic Sciences, Preparatory Year Deanship, King Faisal University, P.O. Box-400, Al-Ahsa 31982, Saudi Arabia
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Huang L, Su Y, Zhang D, Zeng Z, Hu X, Hong S, Lin X. Recent theranostic applications of hydrogen peroxide-responsive nanomaterials for multiple diseases. RSC Adv 2023; 13:27333-27358. [PMID: 37705984 PMCID: PMC10496458 DOI: 10.1039/d3ra05020c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/31/2023] [Indexed: 09/15/2023] Open
Abstract
It is well established that hydrogen peroxide (H2O2) is associated with the initiation and progression of many diseases. With the rapid development of nanotechnology, the diagnosis and treatment of those diseases could be realized through a variety of H2O2-responsive nanomaterials. In order to broaden the application prospects of H2O2-responsive nanomaterials and promote their development, understanding and summarizing the design and application fields of such materials has attracted much attention. This review provides a comprehensive summary of the types of H2O2-responsive nanomaterials including organic, inorganic and organic-inorganic hybrids in recent years, and focused on their specific design and applications. Based on the type of disease, such as tumors, bacteria, dental diseases, inflammation, cardiovascular diseases, bone injury and so on, key examples for above disease imaging diagnosis and therapy strategies are introduced. In addition, current challenges and the outlook of H2O2-responsive nanomaterials are also discussed. This review aims to stimulate the potential of H2O2-responsive nanomaterials and provide new application ideas for various functional nanomaterials related to H2O2.
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Affiliation(s)
- Linjie Huang
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
| | - Yina Su
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
| | - Dongdong Zhang
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
| | - Zheng Zeng
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
| | - Xueqi Hu
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
| | - Shanni Hong
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
| | - Xiahui Lin
- School of Medical Imaging, Fujian Medical University Fuzhou 350122 Fujian P. R. China
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Gamboa J, Paulo-Mirasol S, Estrany F, Torras J. Recent Progress in Biomedical Sensors Based on Conducting Polymer Hydrogels. ACS APPLIED BIO MATERIALS 2023; 6:1720-1741. [PMID: 37115912 DOI: 10.1021/acsabm.3c00139] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Biosensors are increasingly taking a more active role in health science. The current needs for the constant monitoring of biomedical signals, as well as the growing spending on public health, make it necessary to search for materials with a combination of properties such as biocompatibility, electroactivity, resorption, and high selectivity to certain bioanalytes. Conducting polymer hydrogels seem to be a very promising materials, since they present many of the necessary properties to be used as biosensors. Furthermore, their properties can be shaped and enhanced by designing conductive polymer hydrogel-based composites with more specific functionalities depending on the end application. This work will review the recent state of the art of different biological hydrogels for biosensor applications, discuss the properties of the different components alone and in combination, and reveal their high potential as candidate materials in the fabrication of all-organic diagnostic, wearable, and implantable sensor devices.
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Affiliation(s)
- Jillian Gamboa
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Sofia Paulo-Mirasol
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Francesc Estrany
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Juan Torras
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
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Shafique H, de Vries J, Strauss J, Khorrami Jahromi A, Siavash Moakhar R, Mahshid S. Advances in the Translation of Electrochemical Hydrogel-Based Sensors. Adv Healthc Mater 2023; 12:e2201501. [PMID: 36300601 DOI: 10.1002/adhm.202201501] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/26/2022] [Indexed: 02/03/2023]
Abstract
Novel biomaterials for bio- and chemical sensing applications have gained considerable traction in the diagnostic community with rising trends of using biocompatible and lowly cytotoxic material. Hydrogel-based electrochemical sensors have become a promising candidate for their swellable, nano-/microporous, and aqueous 3D structures capable of immobilizing catalytic enzymes, electroactive species, whole cells, and complex tissue models, while maintaining tunable mechanical properties in wearable and implantable applications. With advances in highly controllable fabrication and processability of these novel biomaterials, the possibility of bio-nanocomposite hydrogel-based electrochemical sensing presents a paradigm shift in the development of biocompatible, "smart," and sensitive health monitoring point-of-care devices. Here, recent advances in electrochemical hydrogels for the detection of biomarkers in vitro, in situ, and in vivo are briefly reviewed to demonstrate their applicability in ideal conditions, in complex cellular environments, and in live animal models, respectively, to provide a comprehensive assessment of whether these biomaterials are ready for point-of-care translation and biointegration. Sensors based on conductive and nonconductive polymers are presented, with highlights of nano-/microstructured electrodes that provide enhanced sensitivity and selectivity in biocompatible matrices. An outlook on current challenges that shall be addressed for the realization of truly continuous real-time sensing platforms is also presented.
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Affiliation(s)
- Houda Shafique
- Department of Bioengineering, McGill University, Montreal, QC, H3A 0E9, Canada
| | - Justin de Vries
- Department of Bioengineering, McGill University, Montreal, QC, H3A 0E9, Canada
| | - Julia Strauss
- Department of Bioengineering, McGill University, Montreal, QC, H3A 0E9, Canada
| | | | | | - Sara Mahshid
- Department of Bioengineering, McGill University, Montreal, QC, H3A 0E9, Canada
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Dong S, Yang Z, Liu B, Zhang J, Xu P, Xiang M, Lu T. (Pd, Au, Ag) nanoparticles decorated well-ordered macroporous carbon for electrochemical sensing applications. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115562] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Zhou S, Wang X, Jiang L, Sun H, Huo D, Hou C. A three-dimensional hydrogel-modified indium tin oxide electrode with enhanced performance for in situ electrochemical detection of extracellular H 2O 2. Analyst 2021; 146:5403-5412. [PMID: 34346414 DOI: 10.1039/d1an00875g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Two different electrochemical sensors (Hemin-G4/Au/GCE and Hemin-G4/Au/ITO) were developed and applied to explore the electrocatalytic capacity of H2O2 reduction. Due to the excellent catalytic activity of Hemin-G4 and high conductivity of gold nanoparticles, both electrodes show excellent electrochemical performances towards H2O2 with a low LOD (0.67 μM for Hemin-G4/Au/GCE and 0.65 μM for Hemin-G4/Au/ITO), rapid response (<4 s), and high selectivity and sensitivity (314.33 μA mM-1 cm-2 for Hemin-G4/Au/GCE and 322.22 μA mM-1 cm-2 for Hemin-G4/Au/ITO). The two electrodes allow sensitive capture of H2O2 produced by A549 cells. Compared with the conventional method of detection in cell suspensions, an ITO electrode with a large specific surface area and good biocompatibility can provide a promising platform for cell adhesion, so as to realize real-time and in situ detection of extracellular H2O2. The experimental results show that A549 cells can adhere to the surface of the Hemin-G4/Au/ITO electrode and grow well. This is benefitted from the three-dimensional structure of the Hemin-G4/Au hydrogel, which provides a suitable microenvironment for cell adhesion and growth. Furthermore, the in situ detection shows a faster response time than that of in-solution detection. This is because the H2O2 generated by the cells can be directly captured by the ITO electrode, which avoids diffusion from the solution to the electrode. These results indicate that the self-supporting hydrogel modified ITO electrode has great application prospects in basic biomedical research and continuous dynamic surveillance of diseases.
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Affiliation(s)
- Shiying Zhou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China.
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