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Wang YZ, Li YR, Zhang YQ, Xiang YM, Bai RR, Liu Y, Li ML, Meng GR, Pan SL, Zhang F, Mi L, Hu YH. Dual-signal ratiometric electrochemiluminescence biosensor based on Au NPs-induced low-potential emission of PFO Pdots and LSPR-ECL mechanism for ultra-sensitive detection of microRNA-141. Biosens Bioelectron 2024; 261:116495. [PMID: 38878699 DOI: 10.1016/j.bios.2024.116495] [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: 03/14/2024] [Revised: 05/28/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024]
Abstract
In this study, we have for the first time constructed a ratiometric ECL biosensor for the ultrasensitive detection of microRNAs (miRNAs) using gold nanoparticles (Au NPs) to trigger both the low-potential emission from conjugated polymer poly(9,9-dioctylfluorene-2,7-diyl) dots (PFO Pdots) and the LSPR-ECL effect with sulfur-doped boron nitride quantum dots (S-BN QDs). PFO Pdots were first applied to the Au NPs-modified electrode, followed by covalent binding to capture the hairpin H1. Immediately thereafter, a small amount of miRNA-141 was able to generate a large amount of output DNA (OP) by traversing the target cycle. OP, H3-S-BN QDs, and H4-glucose oxidase (H4-GOD) were then added sequentially to the Au NPs-modified electrode surface, and the hybridization chain reaction (HCR) was initiated. This resulted in the introduction of a large amount of GOD into the system, which catalyzed the in situ formation of the co-reactant hydrogen peroxide (H2O2) from the substrate glucose. Due to the electron transfer effect, the production of H2O2 led to the ECL quenching of PFO Pdots. Meanwhile, H2O2 served as a co-reactant of S-BN QDs, resulting in strong ECL emission of S-BN QDs at the cathode. Furthermore, the cathodic ECL intensity of S-BN QDs was further enhanced by an LSPR-ECL mechanism between Au NPs and S-BN QDs. By measuring the ratio of ECL intensities at two excitation potentials, this approach could provide sensitive and reliable detection of miRNA-141 in the range of 0.1 fM ∼10 nM, with a detection limit of 0.1 fM.
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Affiliation(s)
- Yin-Zhu Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China.
| | - Yue-Rong Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yu-Qi Zhang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yuan-Meng Xiang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Rong-Rui Bai
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yan Liu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Meng-Li Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Gong-Rui Meng
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Shun-Long Pan
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, PR China
| | - Fang Zhang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Li Mi
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yong-Hong Hu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China.
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2
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Chen X, Xv H, Li C, Kong L, Li C, Li F. Fe-single-atom catalysts boosting electrochemiluminescence via bipolar electrode integrated with its peroxidase-like activity for bioanalysis. Biosens Bioelectron 2024; 258:116351. [PMID: 38705074 DOI: 10.1016/j.bios.2024.116351] [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: 03/25/2024] [Revised: 04/23/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024]
Abstract
Multifunctional single-atom catalysts (SACs) have been extensively investigated as outstanding signal amplifiers in bioanalysis field. Herein, a type of Fe single-atom catalysts with Fe-nitrogen coordination sites in nitrogen-doped carbon (Fe-N/C SACs) was synthesized and demonstrated to possess both catalase and peroxidase-like activity. Utilizing Fe-N/C SACs as dual signal amplifier, an efficient bipolar electrode (BPE)-based electrochemiluminescence (ECL) immunoassay was presented for determination of prostate-specific antigen (PSA). The cathode pole of the BPE-ECL platform modified with Fe-N/C SACs is served as the sensing side and luminol at the anode as signal output side. Fe-N/C SACs could catalyze decomposition of H2O2 via their high catalase-like activity and then increase the Faraday current, which can boost the ECL of luminol due to the electroneutrality in a closed BPE system. Meanwhile, in the presence of the target, glucose oxidase (GOx)-Au NPs-Ab2 was introduced through specific immunoreaction, which catalyzes the formation of H2O2. Subsequently, Fe-N/C SACs with peroxidase-like activity catalyze the reaction of H2O2 and 4-chloro-1-naphthol (4-CN) to generate insoluble precipitates, which hinders electron transfer and then inhibits the ECL at the anode. Thus, dual signal amplification of Fe-N/C SACs was achieved by increasing the initial ECL and inhibiting the ECL in the presence of target. The assay exhibits sensitive detection of PSA linearly from 1.0 pg/mL to 100 ng/mL with a detection limit of 0.62 pg/mL. The work demonstrated a new ECL enhancement strategy of SACs via BPE system and expands the application of SACs in bioanalysis field.
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Affiliation(s)
- Xiaodong Chen
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Huijuan Xv
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Can Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Linghui Kong
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Chunxiang Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, PR China.
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3
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Li ML, Zhong MY, Zhang J, Zhang YJ, Zhang YQ, Liu Y, Li XK, Gan ST, Meng GR, Mi L, Hu YH, Zhang F, Zhang XX, Wang YZ. An "off-on-enhanced on" electrochemiluminescence biosensor based on resonance energy transfer and surface plasmon coupled 3D DNA walker for ultra-sensitive detection of microRNA-21. Anal Chim Acta 2024; 1315:342822. [PMID: 38879216 DOI: 10.1016/j.aca.2024.342822] [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: 05/15/2024] [Revised: 06/01/2024] [Accepted: 06/03/2024] [Indexed: 06/29/2024]
Abstract
In this study, a novel electrochemiluminescence (ECL) biosensor was developed to detect microRNA-21 (miRNA-21) with high sensitivity by leveraging the combined mechanisms of resonance energy transfer (RET) and surface plasmon coupling (SPC). Initially, the glassy carbon electrode (GCE) were coated with Cu-Zn-In-S quantum dots (CZIS QDs), known for their defect-related emission suitable for ECL sensing. Subsequently, a hairpin DNA H3 with gold nanoparticles (Au NPs) attached at the end was modified over the surface of the quantum dots. The Au NPs could effectively quench the ECL signals of CZIS QDs via RET. Further, a significant amount of report DNA was generated through the action of a 3D DNA walker. When the report DNA opened H3-Au NPs, the hairpin structure experienced a conformational change to a linear shape, increasing the gap between the CZIS QDs and the Au NPs. Consequently, the localized surface plasmon resonance ECL (LSPR-ECL) effect replaced ECL resonance energy transfer (ECL-RET). Moreover, the report DNA was released following the addition of H4-Au NPs, resulting in the formation of Au dimers and a surface plasma-coupled ECL (SPC-ECL) effect that enhanced the ECL intensity to 6.97-fold. The integration of new ECL-RET and SPC-ECL biosensor accurately quantified miRNA-21 concentrations from 10-8 M to 10-16 M with a limit of detection (LOD) of 0.08 fM, as well as successfully applied to validate human serum samples.
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Affiliation(s)
- Meng-Li Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Ming-Yu Zhong
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Jia Zhang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yi-Jia Zhang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yu-Qi Zhang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yan Liu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Xiang-Kai Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Shu-Tian Gan
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Gong-Rui Meng
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Li Mi
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Yong-Hong Hu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Fang Zhang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China
| | - Xiao-Xu Zhang
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, PR China
| | - Yin-Zhu Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, PR China.
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Wu Y, Gu Q, Wang Z, Tian Z, Wang Z, Liu W, Han J, Liu S. Electrochemiluminescence Analysis of Multiple Glycans on Single Living Cell with a Closed Bipolar Electrode Array Chip. Anal Chem 2024; 96:2165-2172. [PMID: 38284353 DOI: 10.1021/acs.analchem.3c05127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
The profiling of multiple glycans on a single cell is important for elucidating glycosylation mechanisms and accurately identifying disease states. Herein, we developed a closed bipolar electrode (BPE) array chip for live single-cell trapping and in situ galactose and sialic acid detection with the electrochemiluminescence (ECL) method. Methylene blue-DNA (MB-DNA) as well as biotin-DNA (Bio-DNA) codecorated AuNPs were prepared as nanoprobes, which were selectively labeled on the cell surface through chemoselective labeling techniques. The individual cell was captured and labeled in the microtrap of the cathodic chamber, under an appropriate potential, MB molecules on the cellular membrane underwent oxidation, triggering the reduction of [Ru(bpy)3]2+/TPA and consequently generating ECL signals in the anodic chamber. The abundance of MB groups on the single cell enabled selective monitoring of both sialic acid and galactosyl groups with high sensitivity using ECL. The sialic acid and galactosyl content per HepG2 cell were detected to be 0.66 and 0.82 fmol, respectively. Through comprehensive evaluation of these two types of glycans on a single cell, tumor cells, and normal cells could be effectively discriminated and the accuracy of single-cell heterogeneous analysis was improved. Additionally, dynamic monitoring of variations in galactosyl groups on the surface of the single cell was also achieved. This work introduced a straightforward and convenient approach for heterogeneity analysis among single cells.
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Affiliation(s)
- Yafeng Wu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, State Key Laboratory of Digital Medical Engineering, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Qinglin Gu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, State Key Laboratory of Digital Medical Engineering, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Zhi Wang
- Wuxi Institute of Inspection, Testing and Certification, Wuxi 214125, China
| | - Zhaoyan Tian
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng 252059, China
| | - Zhaohan Wang
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, State Key Laboratory of Digital Medical Engineering, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Weiwei Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, State Key Laboratory of Digital Medical Engineering, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Jianyu Han
- School of Energy and Environment, Southeast University, Nanjing 211189, China
| | - Songqin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, State Key Laboratory of Digital Medical Engineering, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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5
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Sheng M, Yu L, Peng Y, Wang Q, Huang J, Yang X. Combination of Ternary Electrochemiluminescence System of BNQDs/AgMOG-K 2S 2O 8 and Electrochemiluminescence Resonance Energy Transfer Strategy for Ultrasensitive Immunoassay of Amyloid-β Protein. Anal Chem 2024; 96:41-48. [PMID: 38100715 DOI: 10.1021/acs.analchem.3c02545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
In this work, based on boron nitride quantum dots (BNQDs) as energy donors and MnO2@MWCNTs-COOH as energy receptors, we designed an efficient electrochemiluminescence resonance energy transfer (ECL-RET) immunosensor for the detection of amyloid-β (Aβ42) protein, a biomarker of Alzheimer's disease (AD). First, the signal amplification of a ternary ECL system composed of BNQDs (as the ECL emitter), K2S2O8 (as the coreactant), and silver metal-organic gels (AgMOG, as the coreaction accelerator) was realized, and PDDA as stabilizer was added, a strong and stable initial ECL signal was obtained. AgMOG could not only support a large amount of BNQDs and Aβ42 capture antibody (Ab1) through Ag-N bond but also exhibit excellent ECL catalytic performance and enhance the luminescent intensity of BNQDs@PDDA-K2S2O8 system. In addition, due to the broad absorption spectrum of MnO2@MWCNTs-COOH and the extensive overlap with the ECL emission spectrum of BNQDs, the quenching probe Ab2-MnO2@MWCNTs-COOH could be introduced into the ternary system through a sandwich immune response. On this basis, the signal on-off ECL immunosensor was constructed to achieve the ultrasensitive detection of Aβ42 through signal transformation. Under the optimal conditions, the prepared ECL biosensor manifested a wide linear range (10 fg/mL-100 ng/mL) with a detection limit of 2.89 fg/mL and showed excellent stability, selectivity, and repeatability, which provided an effective strategy for the ultrasensitive detection of biomarkers in clinical analysis.
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Affiliation(s)
- Mengting Sheng
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Linying Yu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Changchun, Jilin 130022, China
| | - Yao Peng
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Qian Wang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jianshe Huang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Changchun, Jilin 130022, China
| | - Xiurong Yang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Changchun, Jilin 130022, China
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6
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Liu MM, Yang YJ, Guo ZZ, Zhong Y, Lei Y, Liu AL. A dual-readout sensing platform for the evaluation of cell viability integrating with optical and digital signals based on a closed bipolar electrode. Talanta 2023; 265:124881. [PMID: 37390672 DOI: 10.1016/j.talanta.2023.124881] [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: 12/05/2022] [Revised: 06/23/2023] [Accepted: 06/24/2023] [Indexed: 07/02/2023]
Abstract
Cell viability is essential for predicting drug toxicity and assessing drug effects in drug screening. However, the over/underestimation of cell viability measured by traditional tetrazolium colorimetric assays is inevitable in cell-based experiments. Hydrogen peroxide (H2O2) secreted by living cells may provide more comprehensive information about the cell state. Hence, it is significant to develop a simple and rapid approach for evaluating cell viability by measuring the excreted H2O2. In this work, we developed a dual-readout sensing platform based on optical and digital signals by integrating a light emitting diode (LED) and a light dependent resistor (LDR) into a closed split bipolar electrode (BPE), denoted as BP-LED-E-LDR, for evaluating cell viability by measuring the H2O2 secreted from living cells in drug screening. Additionally, the customized three-dimensional (3D) printed components were designed to adjust the distance and angle between the LED and LDR, achieving stable, reliable and highly efficient signal transformation. It only took 2 min to obtain response results. For measuring the exocytosis H2O2 from living cells, we observed a good linear relationship between the visual/digital signal and logarithmic function of MCF-7 cell counts. Furthermore, the fitted half inhibitory concentration curve of MCF-7 to doxorubicin hydrochloride obtained by the BP-LED-E-LDR device revealed a nearly identical tendency with the cell counting kit-8 assay, providing an attainable, reusable, and robust analytical strategy for evaluating cell viability in drug toxicology research.
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Affiliation(s)
- Meng-Meng Liu
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
| | - Yuan-Jie Yang
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
| | - Zi-Zhen Guo
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
| | - Yu Zhong
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
| | - Yun Lei
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China.
| | - Ai-Lin Liu
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China.
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7
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Ma T, Ren S, Wang Y, Yu H, Li L, Li X, Zhang L, Yu J, Zhang Y. Paper-based bipolar electrode electrochemiluminescence sensors for point-of-care testing. Biosens Bioelectron 2023; 235:115384. [PMID: 37244092 DOI: 10.1016/j.bios.2023.115384] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/24/2023] [Accepted: 05/08/2023] [Indexed: 05/29/2023]
Abstract
In the past few years, point-of-care testing (POCT) technology has crossed the boundaries of laboratory determination and entered the stage of practical applications. Herein, the latest advances and principal issues in the design and fabrication of paper-based bipolar electrode electrochemiluminescence (BPE-ECL) sensors, which are widely used in the POCT field, are highlighted. After introducing the attractive physical and chemical properties of cellulose paper, various approaches aimed at enhancing the functions of the paper, and their underlying principles are described. The materials typically employed for fabricating paper-based BPE are also discussed in detail. Subsequently, the universal method of enhancing BPE-ECL signal and improving detection accuracy is put forward, and the ECL detector widely used is introduced. Furthermore, the application of paper-based BPE-ECL sensors in biomedical, food, environmental and other fields are displayed. Finally, future opportunities and the remaining challenges are analyzed. It is expected that more design concepts and working principles for paper-based BPE-ECL sensors will be developed in the near future, paving the way for the development and application of paper-based BPE-ECL sensors in the POCT field and providing certain guarantee for the development of human health.
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Affiliation(s)
- Tinglei Ma
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Suyue Ren
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Yixiang Wang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Haihan Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Lin Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Xu Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Luqing Zhang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China.
| | - Jinghua Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China.
| | - Yan Zhang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China; Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, China.
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Jia YL, Xu CH, Li XQ, Chen HY, Xu JJ. Visual analysis of Alzheimer disease biomarker via low-potential driven bipolar electrode. Anal Chim Acta 2023; 1251:340980. [PMID: 36925305 DOI: 10.1016/j.aca.2023.340980] [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: 01/09/2023] [Revised: 02/01/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Developing a simple, economical, and accurate diagnostic method has positive practical significance for the early prevention and intervention of Alzheimer's disease (AD). Herein, combining a closed bipolar electrode (BPE) chip with multicolor electrochemiluminescence (ECL) imaging technology, we constructed a low-voltage driven portable visualized ECL device for the early screening of AD. By introducing parallel resistance, the total resistance of the circuit was greatly reduced. A classical mixture of Ir(ppy)3 and Ru(bpy)32+ was used as multicolor emitters of the anode with TPrA as the co-reactant. Capture of amyloid-β (Aβ) through antigen-antibody recognition, and signal amplification by electroactive covalent organic frameworks (COF) probe at the cathode of BPE caused the significantly increased faradaic current. The electrical balance of the BPE system resulted in the change of the emission color from green to red at the anode. The ECL-BPE sensor shows good reproducibility and high sensitivity with detection limit of 1 pM by naked eye. The driving voltage is 3.0 V, which means the chip could be driven by two fifth batteries. The visualized ECL-BPE sensor provides a promising point-of-care testing (POCT) tool for the screening of Alzheimer's-related diseases in the early stage.
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Affiliation(s)
- Yi-Lei Jia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Cong-Hui Xu
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Xiao-Qiong Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
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9
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Wang X, Yuan W, Sun Z, Liu F, Wang D. Ultrasensitive multicolor electrochromic sensor built on closed bipolar electrode: Application in the visual detection of Pseudomonas aeruginosa. Food Chem 2023; 403:134240. [DOI: 10.1016/j.foodchem.2022.134240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/20/2022] [Accepted: 09/11/2022] [Indexed: 11/15/2022]
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10
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Liu ST, Chen JS, Liu XP, Mao CJ, Jin BK. A photoelectrochemical biosensor based on b-TiO 2/CdS:Eu/Ti 3C 2 heterojunction for the ultrasensitive detection of miRNA-21. Talanta 2023; 253:123601. [PMID: 36126520 DOI: 10.1016/j.talanta.2022.123601] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/26/2022] [Accepted: 05/25/2022] [Indexed: 12/13/2022]
Abstract
A novel photoelectrochemical (PEC) biosensor based on b-TiO2/CdS:Eu/Ti3C2 heterojunction was developed for ultrasensitive determination of miRNA-21. In this device, the b-TiO2/CdS:Eu/Ti3C2 heterojunction with excellent energy level arrangement effectively facilitated photoelectric conversion efficiency and accelerated the separation of the photogenerated electron hole pairs, which because that the structure of heterojunction overcomes the drawbacks of single material, such as narrow light absorption range, wide band gap, short carrier lifetime, etc., improves light utilization, extends the lifetime of photogenerated electron hole pairs, and promotes electron transfer. Herein, hairpin DNA1 (H1) decorated on the b-TiO2/CdS:Eu/Ti3C2 electrode surface by Cd-S bonds, after H2/miRNA-21 heterduplex was introduced, the strand-displacement reaction (SDR) was triggered between H1 and H2/miRNA-21, accordingly, miRNA-21 was discharged from the H2/miRNA-21 heterduplex, forming the H1/H2 duplex, and the reuse of miRNA-21 was realized. As a signal amplification factor, the signal amplification factor H3-CdSe was hybridized with H1/H2 duplex, which greatly enhanced the sensitivity of the PEC biosensor. Under optimal conditions, the designed PEC biosensor displayed outstanding sensitivity, selectivity and stability with a wide liner range from 1.0 μM to 10.0 fM and a low detection limit of 3.3 fM. The preparation of the optoelectronic material affords a new direction for the progress of heterojunction photovoltaic materials and the construction of the proposed biosensor also provides a new thought for the PEC detection of human miRNA-21 with superior performance. Simultaneously, the established biosensor exhibiting tremendous possibility for detecting other biomarkers and biomolecules in clinical diagnosis fields.
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Affiliation(s)
- Shen-Ting Liu
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Ministry of Education), Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials of Anhui Province, Key Laboratory of Functional Inorganic Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, 230601, PR China
| | - Jing-Shuai Chen
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Ministry of Education), Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials of Anhui Province, Key Laboratory of Functional Inorganic Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, 230601, PR China
| | - Xing-Pei Liu
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Ministry of Education), Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials of Anhui Province, Key Laboratory of Functional Inorganic Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, 230601, PR China.
| | - Chang-Jie Mao
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Ministry of Education), Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials of Anhui Province, Key Laboratory of Functional Inorganic Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, 230601, PR China.
| | - Bao-Kang Jin
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Ministry of Education), Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials of Anhui Province, Key Laboratory of Functional Inorganic Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, 230601, PR China
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11
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Zhao D, Liu Y, Jiang H, Yang H, Yu H, Qiao J, Li Z, Jin B, Wu M. Insights into the Mechanism of Bipolar Electrodeposition of Au Films and Its Application in Visual Detection of Prostate Specific Antigens. BIOSENSORS 2023; 13:158. [PMID: 36831924 PMCID: PMC9953799 DOI: 10.3390/bios13020158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/11/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Au particles are commonly used for deposition on the surface of a bipolar electrode (BPE) in order to amplify electrochemical and electrochemiluminescence (ECL) signal because of their excellent conductivity, biocompatibility, and large surface area. In this work, a closed BPE device was fabricated and Au particles were deposited on the two poles of a BPE via bipolar deposition. Results indicated that the electrochemical stability of Au film on the anode part of the BPE and the reduction of AuCl4- to Au on the cathode part of the BPE depended on the conductivity of the solution. The prepared Au-Au BPE exhibited a remarkable amplification effect on the ECL signal. Then, a specific sensing interface was constructed on one pole of the BPE for the visual detection of prostate-specific antigens (PSA) based on sandwich-type immunoreactions between primary PSA antibodies (Ab1) on the electrode surface, PSA, and SiO2 nanoparticles labeled secondary PSA antibodies (SiO2-Ab2). The designed biosensor exhibited a good linear relationship for the ECL detection of PSA in the range of 1 × 10-6 to 1 × 10-10 g/mL with a correlation coefficient of 0.9866; the limit of detection (LOD) was 1.5 × 10-11 g/mL. Additionally, the biosensor can realize the electrochemical imaging of PSA by regulating the electrochemical oxidation of the Au anode with the immunoreactions on the cathode part of BPE. Therefore, the small, portable and highly sensitive biosensors have great potential for on-site detection.
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Affiliation(s)
- Daoyuan Zhao
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Yujing Liu
- College of Life Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Hong Jiang
- College of Life Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Haijian Yang
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Huihui Yu
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Jingtang Qiao
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Zhiwen Li
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Bing Jin
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Meisheng Wu
- Department of Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
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12
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Wang YL, Zhao LZ, Chen C, Ren SW, Cao JT, Liu YM. A bipolar-electrochemiluminescence split-type immunoassay based on a cathodic amplification strategy. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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13
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Assembling inner filter effect reduced SnS2 quantum dots-based hollow polymeric spherical nanoshells for ratio electrochemiluminescence bioassay. Biosens Bioelectron 2022; 218:114786. [DOI: 10.1016/j.bios.2022.114786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/27/2022] [Accepted: 10/01/2022] [Indexed: 11/23/2022]
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14
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Zhao C, Xie Z, Ma C, Deng X, Hong C, Sun S. Highly Stable Hybrid Ligand Double-Enhanced Electrochemiluminescence for Sensitive Detection of Cu2+. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Huang Y, Zhang S, Chen Y, Dai H, Lin Y. Modular and Noncontact Wireless Detection Platform for Ovarian Cancer Markers: Electrochemiluminescent and Photoacoustic Dual-Signal Output Based on Multiresponse Carbon Nano-Onions. Anal Chem 2022; 94:13269-13277. [DOI: 10.1021/acs.analchem.2c03337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yitian Huang
- College of Chemistry and Material, Fujian Normal University, Fuzhou, Fujian 350108, China
| | - Shupei Zhang
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang 32400, China
| | - Yanjie Chen
- College of Chemistry and Material, Fujian Normal University, Fuzhou, Fujian 350108, China
| | - Hong Dai
- College of Chemistry and Material, Fujian Normal University, Fuzhou, Fujian 350108, China
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang 32400, China
| | - Yanyu Lin
- College of Chemistry and Material, Fujian Normal University, Fuzhou, Fujian 350108, China
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16
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Yoo SM, Jeon YM, Heo SY. Electrochemiluminescence Systems for the Detection of Biomarkers: Strategical and Technological Advances. BIOSENSORS 2022; 12:bios12090738. [PMID: 36140123 PMCID: PMC9496345 DOI: 10.3390/bios12090738] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 01/03/2023]
Abstract
Electrochemiluminescence (ECL)-based sensing systems rely on light emissions from luminophores, which are generated by high-energy electron transfer reactions between electrogenerated species on an electrode. ECL systems have been widely used in the detection and monitoring of diverse, disease-related biomarkers due to their high selectivity and fast response times, as well as their spatial and temporal control of luminance, high controllability, and a wide detection range. This review focuses on the recent strategic and technological advances in ECL-based biomarker detection systems. We introduce several sensing systems for medical applications that are classified according to the reactions that drive ECL signal emissions. We also provide recent examples of sensing strategies and technologies based on factors that enhance sensitivity and multiplexing abilities as well as simplify sensing procedures. This review also discusses the potential strategies and technologies for the development of ECL systems with an enhanced detection ability.
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17
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Negahdary M, Angnes L. Application of electrochemical biosensors for the detection of microRNAs (miRNAs) related to cancer. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214565] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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18
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Zhong F, Chen C, Zheng J, Li L, Wen X. Zinc ion cross-linked sodium alginate modified hexagonal boron nitride to enhance the flame retardant properties of composite coatings. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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19
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Zhang Y, Cui Y, Sun M, Wang T, Liu T, Dai X, Zou P, Zhao Y, Wang X, Wang Y, Zhou M, Su G, Wu C, Yin H, Rao H, Lu Z. Deep learning-assisted smartphone-based molecularly imprinted electrochemiluminescence detection sensing platform: Protable device and visual monitoring furosemide. Biosens Bioelectron 2022; 209:114262. [DOI: 10.1016/j.bios.2022.114262] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/02/2022] [Accepted: 04/05/2022] [Indexed: 02/07/2023]
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20
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Yuan R, Liu Q, Hong H, Ma H, Xiao L, Li Y, Jiang D, Hao N, Wang K. Enhanced cathodic electrochemiluminescent microcystin-LR aptasensor based on surface plasmon resonance of Bi nanoparticles. JOURNAL OF HAZARDOUS MATERIALS 2022; 434:128877. [PMID: 35427978 DOI: 10.1016/j.jhazmat.2022.128877] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/24/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Sensitive testing for Microcystins-LR (MC-LR) is needed because of its serious environmental and human health hazards. In this work, a new type of surface plasmon resonance (SPR) enhanced cathodic electrochemiluminescence (ECL) aptasensing platform was designed in which boron and nitrogen co-doped graphene quantum dots (BN-GQDs) were used as the luminary and bismuth nanoparticles (Bi NPs) were used as the SPR source. SPR effect of non-precious metal Bi NPs can induce and enhance ECL signal of BN-GQDs because the fluorescence spectrum of BN-GQDs overlaps well with the ultraviolet-visible absorption spectrum of Bi NPs. On this basis, a sensitive sensing system based on the Bi NPs and BN-GQDs was established for MC-LR detection. The results showed that the ECL sensing signal obtained was linear with the negative logarithm of the target MC-LR concentration in the range of 0.01-5000 pM, and the detection limit was 0.003 pM. In addition, the sensor had high stability and good reproducibility, which can be applied to the detection of MC-LR in actual samples. The method had good specificity and can not be disturbed by its homolog, which can be used for sensitive and reliable detection of complex samples.
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Affiliation(s)
- Ruishuang Yuan
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Qian Liu
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Honghong Hong
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Hanyu Ma
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Liting Xiao
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yaqi Li
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, PR China; Advanced Technology Institute of Suzhou, 215123 Jiangsu, PR China
| | - Ding Jiang
- School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Nan Hao
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Kun Wang
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
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21
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Li X, Qin X, Tian Z, Wang K, Xia X, Wu Y, Liu S. Gold Nanowires Array-Based Closed Bipolar Nanoelectrode System for Electrochemiluminescence Detection of α-Fetoprotein on Cell Surface. Anal Chem 2022; 94:7350-7357. [PMID: 35543747 DOI: 10.1021/acs.analchem.2c00785] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Inspired by the promising applications of a closed bipolar electrodes (c-BPEs) system in electrochemiluminescence (ECL) detection of cell adhesion and disease-related biomarkers, here, a gold nanowires array-based c-BPEs system was constructed for cell surface protein detection. Regular and uniform gold nanowires array were prepared by intermittent potentiostatic deposition. Then, two poly(dimethylsiloxane) (PDMS) chips with a hole diameter of 2 mm as a reservoir were placed at both sides of Au nanowires array to construct c-BPEs system. Thionine-functionalized silicon dioxide nanoparticles conjugated to antibody (Ab2-Th@SiO2) were used as the electrochemical probe, while [Ru(bpy)3]2+-wrapped SiO2 nanoparticles (Ru(II)@SiO2) were employed as the ECL signal readout. Taking α-fetoprotein (AFP) as model, the gold nanowires array-based c-BPEs system allowed sensitive detection of AFP at a linear range from 0.002 to 50.0 ng/mL and at least 6 living cells ascribing to the synergetic amplification effect at both sensing and reporting chambers. Besides, the amount of AFP expressed by HepG2 cells was calculated to be 6.71 pg/cell. The presented strategy with high sensitivity provided a promising and universal platform for the detection of other cancer cells and disease-related biomarkers (such as proteins, glycan, miRNA).
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Affiliation(s)
- Xiuxiu Li
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Key Laboratory of Environmental Medicine Engineering, Ministry of Education, State Key Laboratory of Bioelectronics, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Xiang Qin
- Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zhaoyan Tian
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Key Laboratory of Environmental Medicine Engineering, Ministry of Education, State Key Laboratory of Bioelectronics, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Kang Wang
- Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xinghua Xia
- Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yafeng Wu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Key Laboratory of Environmental Medicine Engineering, Ministry of Education, State Key Laboratory of Bioelectronics, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Songqin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Key Laboratory of Environmental Medicine Engineering, Ministry of Education, State Key Laboratory of Bioelectronics, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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22
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Wei X, Luo X, Xu S, Xi F, Zhao T. A Flexible Electrochemiluminescence Sensor Equipped With Vertically Ordered Mesoporous Silica Nanochannel Film for Sensitive Detection of Clindamycin. Front Chem 2022; 10:872582. [PMID: 35464210 PMCID: PMC9019221 DOI: 10.3389/fchem.2022.872582] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/11/2022] [Indexed: 12/14/2022] Open
Abstract
Fast, convenient, and highly sensitive detection of antibiotic is essential to avoid its overuse and the possible harm. Owing to enrichment effect and antifouling ability of ultrasmall nanochannels, the vertically ordered mesoporous silica nanochannel film (VMSF) has great potential in the development of the facile electrochemiluminescence (ECL) sensor for direct and sensitive analysis of antibiotics in complex samples. In this study, we demonstrated a flexible ECL sensor based on a cost-effective electrode covered with a VMSF for sensitive detection of clindamycin. Polyethylene terephthalate coated with indium tin oxide (PET-ITO) is applied as a flexible electrode to grow VMSF using the electrochemically assisted self-assembly (EASA) method. The negatively charged VMSF nanochannels exhibit significant enrichment toward the commonly used cationic ECL luminophores, tris(2,2-bipyridyl) dichlororuthenium (II) (Ru (bpy)32+). Using the enhanced ECL of Ru (bpy)32+ by clindamycin, the developed VMSF/PET-ITO sensor can sensitively detect clindamycin. The responses were linear in the concentration range of 10 nM–25 μM and in the concentration range of 25–70 μM. Owing to the nanoscale thickness of the VMSF and the high coupling stability with the electrode substrate, the developed flexible VMSF/PET-ITO sensor exhibits high signal stability during the continuous bending process. Considering high antifouling characteristic of the VMSF, direct analysis of clindamycin in a real biological sample, human serum, is realized.
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Affiliation(s)
- Xinjie Wei
- Guangxi Medical University Cancer Hospital, Guangxi Medical University, Nanning, China
| | - Xuan Luo
- Department of Chemistry, Key Laboratory of Surface and Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, China
| | - Shuai Xu
- Department of Chemistry, Key Laboratory of Surface and Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, China
| | - Fengna Xi
- Department of Chemistry, Key Laboratory of Surface and Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, China
- *Correspondence: Fengna Xi, ; Tingting Zhao,
| | - Tingting Zhao
- Guangxi Medical University Cancer Hospital, Guangxi Medical University, Nanning, China
- *Correspondence: Fengna Xi, ; Tingting Zhao,
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23
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Hatamluyi B, Rezayi M, Amel Jamehdar S, Rizi KS, Mojarrad M, Meshkat Z, Choobin H, Soleimanpour S, Boroushaki MT. Sensitive and specific clinically diagnosis of SARS-CoV-2 employing a novel biosensor based on boron nitride quantum dots/flower-like gold nanostructures signal amplification. Biosens Bioelectron 2022; 207:114209. [PMID: 35339072 PMCID: PMC8938305 DOI: 10.1016/j.bios.2022.114209] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 03/07/2022] [Accepted: 03/19/2022] [Indexed: 02/06/2023]
Abstract
The sudden increase of the COVID-19 outbreak and its continued growth with mutations in various forms has created a global health crisis as well as devastating social and economic effects over the past two years. In this study, a screen-printed carbon electrode reinforced with boron nitride quantum dots/flower-like gold nanostructures (BNQDs/FGNs/SPCE) and functionalized by highly specific antisense DNA oligonucleotide presents an alternative and promising solution for targeting SARS-CoV-2 RNA without nucleic acid amplification. The platform was tested on 120 SARS-CoV-2 RNA isolated from real clinical samples (60 positive and 60 negative confirmed by conventional RT-PCR method). Based on obtained quantitative results and statistical analysis (box-diagram, cutoff value, receiver operating characteristic curve, and t-test), the biosensor revealed a significant difference between the two positive and negative groups with 100% sensitivity and 100% specificity. To evaluate the quantitation capacity and detection limit of the biosensor for clinical trials, the detection performance of the biosensor for continuously diluted RNA isolated from SARS-CoV-2-confirmed patients was compared to those obtained by RT-PCR, demonstrating that the detection limit of the biosensor is lower than or comparable to that of RT-PCR. The ssDNA/BNQDs/FGNs/SPCE showed negligible cross-reactivity with RNA fragments isolated from Influenza A (IAV) clinical samples and also remained stable for up to 14 days. In conclusion, the fabricated biosensor may serve as a promising tool for point-of-care applications.
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Affiliation(s)
- Behnaz Hatamluyi
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Rezayi
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology and Nanotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeid Amel Jamehdar
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kobra Salimian Rizi
- Isfahan University of Technology, Department of Materials Engineering, Isfahan, Iran
| | - Majid Mojarrad
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Meshkat
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamzeh Choobin
- Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saman Soleimanpour
- Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Taher Boroushaki
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran.
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24
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Zhao J, Chen CX, Zhu JW, Zong HL, Hu YH, Wang YZ. Ultrasensitive and Visual Electrochemiluminescence Ratiometry Based on a Constant Resistor-Integrated Bipolar Electrode for MicroRNA Detection. Anal Chem 2022; 94:4303-4310. [PMID: 35230810 DOI: 10.1021/acs.analchem.1c04971] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this work, a new electrochemiluminescence (ECL) platform was constructed for detecting the prostate cancer marker microRNA-141 (miRNA-141) on a constant resistor-integrated closed bipolar electrode (BPE). It consisted of two reservoirs and a constant resistor, and both ends were connected to the anode of the driving electrode and the cathode of BPE. The cathode of BPE was modified with boron nitride quantum dots (BNQDs), and the anode reservoir was the [Ru(bpy)3](PF6)2/TPrA system. After introducing a certain amount of hairpin DNA 3 (H3) and ferrocene-labeled single-stranded DNA (Fc-ssDNA) on the surface of the BNQDs, the ECL emission signal of the BNQDs was difficult to be observed by the naked eye, while [Ru(bpy)3](PF6)2 emitted a strong and visible ECL signal. In the presence of the target, bipedal DNA assembled by catalytic hairpin assembly (CHA) took away the Fc-ssDNA and the ECL intensity of the BNQDs was enlarged, and as the concentration of miRNA-141 increased to the cutoff value, yellow-green light was visible by the naked eye. Meanwhile, the red emission signal of [Ru(bpy)3](PF6)2/TPrA became weakened. Thus, an ultrasensitive "color switch" ECL biosensor for detection of miRNA-141 was constructed and endowed with a wide linear range from 10-17 to 10-7 M and a detection limit of 10-17 M (S/N = 3). This study provides the potential for investigating portable devices in the detection of low-concentration nucleic acids.
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Affiliation(s)
- Jie Zhao
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, P. R. China.,College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211800, P. R. China
| | - Chuan-Xiang Chen
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, P. R. China
| | - Jia-Wan Zhu
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, P. R. China
| | - Hui-Long Zong
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, P. R. China
| | - Yong-Hong Hu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211800, P. R. China
| | - Yin-Zhu Wang
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, P. R. China.,College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211800, P. R. China
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25
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Wu FH, Wen GQ, Luo XR, Xu XD, Liu Z, Sun WB, Kang YS, Yan Z. Chloramphenicol-activated electro-chemiluminescent behavior of BNQDs-Ru(phen) 32+ system for ultra-sensitive sensing of chloramphenicol in pharmaceutical and milk samples. NANOTECHNOLOGY 2022; 33:215502. [PMID: 35147518 DOI: 10.1088/1361-6528/ac5445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
To improve the sensitivity for electro-chemiluminescent (ECL) detection of chloramphenicol (CAP), a common broad-spectrum antibiotic, boron nitride quantum dots (BNQDs) were prepared with excellent photoelectric property and low toxicity. After its structure and electrochemical property were investigated in detail, it was noted that the ECL signal of Ru(Phen)32+could be strengthened by the proposed BNQDs, which was further activated by ten's times in the presence of CAP. Under the optimized conditions, there was an excellent linear relationship between ΔECL and lgcCAPin a wide linear range from 1.0 × 10-10to 1.0 × 10-6mol l-1CAP. The detection limit was super-low to be 3.3 × 10-11mol l-1(S/N = 3). When applied for CAP detection in real pharmaceutical and food samples, the recoveries were between 97.8% and 105.7% with R.S.D. less than 3.3%. A possible CAP-activated ECL mechanism of BNQDs-Ru(phen)32+was also proposed. This work will offer a great potential for efficient monitoring of CAP pollution and clinical diagnosing of CAP-related diseases in future.
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Affiliation(s)
- Fang-Hui Wu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Guo-Qiang Wen
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Xiang-Rui Luo
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Xu-Dong Xu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Zi Liu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Wen-Bin Sun
- School of Mathematics and Physics, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Yan-Shang Kang
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243002, People's Republic of China
| | - Zhengquan Yan
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People's Republic of China
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26
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Liu XM, Wang YL, Ren SW, Cao JT, Liu YM. H 2O 2-activated independently bidirectional regulation for a sensitive and accurate electrochemiluminescence ratiometric analysis. Analyst 2022; 147:2508-2514. [DOI: 10.1039/d2an00601d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel ECL ratiometric sensor was developed based on H2O2 activated independently bidirectional regulation strategy.
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Affiliation(s)
- Xiang-Mei Liu
- College of Chemistry and Chemical Engineering, Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, China
| | - Yu-Ling Wang
- College of Chemistry and Chemical Engineering, Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, China
| | - Shu-Wei Ren
- Xinyang Central Hospital, Xinyang 464000, China
| | - Jun-Tao Cao
- College of Chemistry and Chemical Engineering, Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, China
| | - Yan-Ming Liu
- College of Chemistry and Chemical Engineering, Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, China
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