1
|
Song R, Wang R, Zhang C, Li G, Zou L. Photocurrent polarity switching photoelectrochemical aptasensor for oxytetracycline based on BiOBr/Ag 2S/PDA//CuO: CuO-induced II-type to dual Z-scheme system. Anal Chim Acta 2024; 1317:342920. [PMID: 39030014 DOI: 10.1016/j.aca.2024.342920] [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: 06/14/2024] [Accepted: 06/27/2024] [Indexed: 07/21/2024]
Abstract
BACKGROUND As a broad-spectrum tetracycline antibiotic, Oxytetracycline (OTC) was widely used in a variety of applications. But, the overuse of OTC had led to the detection of it in food, water and soil, which could present significance risk to human health and cause damage to ecosystem. It was of great significance to develop sensitive detection methods for OTC. Herein, an environmentally friendly photoelectrochemical (PEC) aptasensor was constructed for the sensitive detection of OTC based on CuO-induced BiOBr/Ag2S/PDA (Polydopamine) photocurrent polarity reversal. RESULTS BiOBr/Ag2S/PDA composites modified electrode not only produced stable initial anodic photocurrent but also provided attachment sites for the aptamer S1 of OTC by the strong adhesion of PDA. On the other hand, CuO loaded OTC aptamer S2 (Cu-S2) was got through Cu-S bonds. After the target OTC was identified on the electrode surface, CuO was introduced to the surface of ITO/BiOBr/Ag2S/PDA through the specific binding of OTC to S2. This identification process formed dual Z-type heterojunctions and resulted in a remarkable reversal of photocurrent polarity from anodic to cathodic. Under optimization conditions, the PEC aptasensor showed a wide linear range (50 fM ∼ 100 nM), low detection limit (1.9 fM), excellent selectivity, stability and reproducibility for the detection of OTC. Moreover, it was successfully used for the analysis of OTC in real samples of tap water, milk and honey, and had the potential for practical application. SIGNIFICANCE This work developed an environmentally friendly photocurrent-polarity-switching PEC aptasensor with excellent selectivity, reproducibility, stability, low LOD and wide linear range for OTC detection. This sensitive system, which was including BiOBr, Ag2S, PDA and CuO were low toxicity, not only reduced the risk of traditional toxic semiconductors to operators and the environment, but can also be used for the detection of real samples, broadening the wider range of applications for BiOBr, Ag2S, PDA and CuO.
Collapse
Affiliation(s)
- Rumeng Song
- College of Chemistry, Green Catalysis Center, Zhengzhou University, PR China
| | - Ruoyu Wang
- College of Chemistry, Green Catalysis Center, Zhengzhou University, PR China
| | - Chi Zhang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, PR China
| | - Gaiping Li
- College of Chemistry, Green Catalysis Center, Zhengzhou University, PR China
| | - Lina Zou
- College of Chemistry, Green Catalysis Center, Zhengzhou University, PR China.
| |
Collapse
|
2
|
Chen D, He Y, Wang Y, Zhang Z, Pei Y, Lei Y, Hu J, Xiang S, Jaffrezic-Renault N, Guo Z. An immune sandwich electrochemical biosensor based on triple-modified zirconium derivatives for detection of CD146 in serum. Colloids Surf B Biointerfaces 2024; 239:113902. [PMID: 38599037 DOI: 10.1016/j.colsurfb.2024.113902] [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: 12/22/2023] [Revised: 03/21/2024] [Accepted: 04/05/2024] [Indexed: 04/12/2024]
Abstract
CD146, also known as melanoma cell adhesion molecule (MCAM), is overexpressed in various cancer patients, making it a valuable predictor for early diagnosis. In this work, an immune sandwich electrochemical biosensor is proposed for sensitive and non-invasive quantitative detection of CD146 in serum. Zirconium-based MOF (UIO-66) was modified by simultaneous copper atom doping, in situ growth carbon-based support and physical embedding of platinum nanoparticles (PtNPs). Triple-modified Cu-UIO-66@SWCNT/PtNPs nanocomposites with high stability and excellent electrochemical properties, serve as surface modification materials for glassy carbon electrodes. Anti-CD146 antibody (Ab1) was grafted onto the electrode surface via Pt-S bond. Meanwhile, the secondary antibody (Ab2) was conjugated with silver nanoparticles (AgNPs) to cooperate for CD146 capture and achieve secondary electrical signal amplification. Under optimal conditions, square wave voltammetry was employed to determine CD146 in the concentration range of 10-9-10-4 mg/mL and a limit of detection of 12 fg/mL was obtained. Finally, it was successfully applied to the analysis of CD146 in lung and liver cancer patients' serum samples.
Collapse
Affiliation(s)
- Die Chen
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Yutao He
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Ya Wang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Ziyi Zhang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Yifei Pei
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Yumeng Lei
- Department of Medical Ultrasound, China Resources & Wisco General Hospital, Wuhan University of Science and Technology, Wuhan 430080, PR China
| | - Junrui Hu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China
| | - Shiqiang Xiang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China.
| | - Nicole Jaffrezic-Renault
- University of Lyon, Institute of Analytical Sciences, UMR-CNRS 5280, 5, La Doua Street, Villeurbanne 69100, France.
| | - Zhenzhong Guo
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, School of Public Health, Faculty of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China.
| |
Collapse
|
3
|
Ghosh AB, Basak S, Bandyopadhyay A. Polymer Based Functional Materials: A New Generation Photo‐active Candidate for Electrochemical Application. ELECTROANAL 2022. [DOI: 10.1002/elan.202100359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Abhisek Brata Ghosh
- Department of Polymer Science and Technology University of Calcutta 92 A.P.C. Road Kolkata 700009 India
| | - Sayan Basak
- Department of Polymer Science and Technology University of Calcutta 92 A.P.C. Road Kolkata 700009 India
| | - Abhijit Bandyopadhyay
- Department of Polymer Science and Technology University of Calcutta 92 A.P.C. Road Kolkata 700009 India
| |
Collapse
|
4
|
Chia YY, Theverajah TM, Alias Y, Khor SM. Three-dimensional porous calcium alginate fluorescence bead-based immunoassay for highly sensitive early diagnosis of breast cancer. Anal Bioanal Chem 2021; 414:1359-1373. [PMID: 34839383 DOI: 10.1007/s00216-021-03758-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 11/30/2022]
Abstract
A sensitive biosensor capable of detecting trace concentrations of several cancer biomarkers in clinical samples is critical for early detection of cancer because different cancer biomarkers may be expressed at different stages of cancer. Previous multiplex studies using microarrays or color-coded beads had limited multiplex detection in a single well, and difficulty in optimizing and unifying the incubation parameters for all tests made in different wells had posed challenges to small sample size and lengthened assay time. Herein, we proposed a novel approach to achieve multiplex analysis on a single three-dimensional porous calcium alginate bead. Because of the high surface area to volume ratio of the calcium alginate immuno-bead, the sensitivity and linear dynamic range of the as-proposed multiplex analysis method are significantly improved. Based on the direct sandwich immunoassay principle, dual-capturing antibodies were encapsulated into a single 3D porous calcium alginate bead as a proof-of-concept for multiplexity detection of serum-HER2 and serum-CA125 breast cancer biomarkers. High sensitivity was attained, with LODs of 0.004 ng mL-1 for serum HER2, and 0.005 U mL-1 for serum CA125, both of which are below the clinical cutoff values, enabling for early breast cancer diagnosis. Stability tests revealed that the 3D immuno-beads were stable at 4 °C and room temperature (25 °C) for at least 14 days. Most importantly, the results obtained using the developed system were in good agreement with those obtained using standard methods while analyzing real clinical samples. In addition, the analysis required only approximately 30 min, which was much less time than typical ELISA techniques. When endogenous interferences were introduced, no cross-reactivity was observed. We anticipate this approach to be potentially used in the multiplex assays and biosensors.
Collapse
Affiliation(s)
- Ying Yao Chia
- Department of Chemistry, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - T Malathi Theverajah
- Department of Pathology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Yatimah Alias
- Department of Chemistry, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Sook Mei Khor
- Department of Chemistry, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia. .,Centre for Innovation in Medical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| |
Collapse
|
5
|
Rathinaraj Benjamin S, de Lima F. Current and Prospective of Breast Cancer Biomarkers. Mol Biotechnol 2021. [DOI: 10.5772/intechopen.91151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Biomarkers have shown great promise over the past decade the process of drug development more effective and have become an integral part of diagnosis of diseases. Biosensors were integrated with biomarker detection and point-of-care detection for signal amplification, high specificity and sensitivity, rapid response time, low cost, simplicity and multi-analytical testing. In order to detect more sensitively, these particular biomarkers have been explored with the possibility of real-time measurements in order to develop simple and compact systems which can analyze complex specimens. Various biosensors including electrochemical biosensors have recently been developed based on disease-specific biomarkers in the diagnosis of cancer disease. The main objective of the book chapter is to review research with new materials/methods in electrochemical biosensing techniques to detection of breast cancer biomarkers and evaluating latest techniques for detection of important analytes in real samples. In this book chapter, the recent development of electrochemical biosensors of breast cancer biomarkers will be reviewed. Furthermore, recent and future trend application of breast cancer biomarkers will be discussed.
Collapse
|
6
|
Svitkova V, Palchetti I. Functional polymers in photoelectrochemical biosensing. Bioelectrochemistry 2020; 136:107590. [PMID: 32674004 DOI: 10.1016/j.bioelechem.2020.107590] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/23/2020] [Accepted: 06/26/2020] [Indexed: 01/08/2023]
Abstract
Photoelectrochemical (PEC) analysis is a detection technique that has gained a wide attention in sensing applications. PEC presents the advantages of high sensitivity, low background signal, simple equipment and easy miniaturization. In PEC detection, light is used as an excitation source while current or voltage is measured as the output detection signal. The ability to couple the PEC process with specific bioreceptors gives PEC biosensing a unique advantage of being both selective and sensitive. The growing interest in PEC bioanalysis has resulted in essential progress in its analytical performance and biodetection applications. Functional polymers have different applications in the development of novel PEC biosensing platforms. Recently, the interest in polymer-based photoactive materials has emerged as they are efficient and less toxic alternatives to certain kinds of inorganic semiconductors and sensitizers. Moreover, molecularly imprinted polymers are a class of synthetic bioreceptors that are increasingly used in PEC bioanalytics. In this review, we will provide an overview on functional polymer-based PEC biosensing approaches. Novel classes of polymers as photoactive materials are reviewed and selected applications are described. Furthermore, molecularly imprinted polymers in the development of smart and sensitive PEC bioanalytical strategies are discussed.
Collapse
Affiliation(s)
- Veronika Svitkova
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 81237 Bratislava, Slovakia
| | - Ilaria Palchetti
- Dipartimento di Chimica Ugo Schiff, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino (Fi), Italy.
| |
Collapse
|
7
|
Fan B, Fan Q, Hu L, Cui M, Wang X, Ma H, Wei Q. Polydopamine-PEG-Folic Acid Conjugate Film Engineered TiO 2 Nanotube Arrays for Photoelectrochemical Sensing of Folate Binding Protein. ACS APPLIED MATERIALS & INTERFACES 2020; 12:1877-1884. [PMID: 31816239 DOI: 10.1021/acsami.9b17630] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Serum-soluble folate binding protein (FBP) is an important tumor marker, and the development of a simple biosensing method is highly needed. In this work, a photoelectrochemical (PEC) biosensor for the detection of FBP was proposed based on the construction of an antifouling interface and the unique ligand-protein recognition. The PEC sensing platform was prepared by the biomimetic polydopamine (PDA) coating on TiO2 nanotubes arrays (NTAs). A significant PEC enhancement effect was obtained due to the macroporous structures. Excellent antifouling performance was achieved by conjugation of amino-group-terminated 8-arm poly(ethylene glycol) (PEG). The incorporation of folic acid (FA) retains the antifouling property and shows recognition abilities toward FBP. The fabricated PEC biosensor shows good analytical performance. The combination of ligand-protein recognition and a PEC antifouling interface provides a good consideration for the development of FBP biosensors.
Collapse
Affiliation(s)
- Bobo Fan
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| | - Qi Fan
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| | - Lulin Hu
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| | - Min Cui
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| | - Xueying Wang
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| | - Hongmin Ma
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| | - Qin Wei
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , People's Republic of China
| |
Collapse
|
8
|
Fan B, Fan Q, Cui M, Wu T, Wang J, Ma H, Wei Q. Photoelectrochemical Biosensor for Sensitive Detection of Soluble CD44 Based on the Facile Construction of a Poly(ethylene glycol)/Hyaluronic Acid Hybrid Antifouling Interface. ACS APPLIED MATERIALS & INTERFACES 2019; 11:24764-24770. [PMID: 31257854 DOI: 10.1021/acsami.9b06937] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The serum level of soluble CD44 is directly associated with several clinicopathological parameters of malignant diseases. There is a great need for the development of an easy and cost-effective detection method for soluble CD44 for both the diagnosis and the treatment of cancers. In this work, a simple photoelectrochemical (PEC) method for the sensitive detection of serum-soluble CD44 is proposed based on the construction of a hybrid antifouling coating on the TiO2 substrate. Hyaluronic acid (HA) and poly(ethylene glycol) (PEG) are co-immobilized using a biomimetic one-step surface functionalization approach. The immobilized HA shows strong recognition abilities toward soluble CD44, and the synergistic antifouling effect achieved by the combination of PEG and HA improves the sensing specificity. Based on the inhibitory effect of CD44 recognition on the PEC signal of the TiO2 substrate, a PEC biosensor is developed with a wide response range and a low detection limit. The development of antibody-free biosensors may promote the application of soluble CD44 as a biomarker for the diagnosis and treatment of malignant diseases.
Collapse
Affiliation(s)
- Bobo Fan
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , P. R. China
| | - Qi Fan
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , P. R. China
| | - Min Cui
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , P. R. China
| | - Tingting Wu
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , P. R. China
| | - Jinshen Wang
- Shandong Provincial Hospital Affiliated to Shandong University , Jinan 250012 , P. R. China
| | - Hongmin Ma
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , P. R. China
| | - Qin Wei
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan 250022 , P. R. China
| |
Collapse
|
9
|
|
10
|
Ma H, Fan Q, Fan B, Zhang Y, Fan D, Wu D, Wei Q. Formation of Homogeneous Epinephrine-Melanin Solutions to Fabricate Electrodes for Enhanced Photoelectrochemical Biosensing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:7744-7750. [PMID: 29884025 DOI: 10.1021/acs.langmuir.8b00264] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The development of a simple but effective surface modification method is very important for the construction of biosensing interfaces. In this work, a postsynthetic water-soluble epinephrine-melanin (EPM) prepared from the self-polymerization of epinephrine has been demonstrated as an alternative of the widely used in situ formed polydopamine (PDA) for the surface coating of TiO2 nanoparticles and the construction of a photoelectrochemical (PEC) biosensing interface. In contrast to the formation of insoluble aggregates in solution for dopamine, a homogeneous solution was obtained for epinephrine after the self-polymerization. The use of EPM as a postsynthetic material enables the surface coating of TiO2 with the simple drop-casting method. Compared with the widely used dip-coating method for in situ PDA modification, the developed drop-casting method based on the use of water-soluble postsynthetic EPM saves more time, avoids the waste of bulk solution, and undoubtedly decreases the batch-to-batch inconsistencies. The simple coating of commercially available TiO2 nanoparticles with EPM greatly enhances the PEC performance due to the charge transfer property of EPM. The application of EPM in the construction of the PEC biosensing interface was demonstrated by the immobilization of a model biorecognition element (prostate specific antigen (PSA) antibody) onto EPM modified indium tin oxide (ITO) photoanode. Sensitive detection of PSA with high selectivity and stability was obtained on the basis of the biological recognition ability of PSA antibody. This work may renew the use of postsynthetic melanin-like biopolymers in other fields.
Collapse
Affiliation(s)
- Hongmin Ma
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| | - Qi Fan
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| | - Bobo Fan
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| | - Yong Zhang
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| | - Dawei Fan
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| | - Dan Wu
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| | - Qin Wei
- Key Laboratory of Interfacial Reaction and Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering , University of Jinan , Jinan , 250022 , China
| |
Collapse
|
11
|
Zang Y, Ju Y, Hu X, Zhou H, Yang Z, Jiang J, Xue H. WS2 nanosheets-sensitized CdS quantum dots heterostructure for photoelectrochemical immunoassay of alpha-fetoprotein coupled with enzyme-mediated biocatalytic precipitation. Analyst 2018; 143:2895-2900. [DOI: 10.1039/c8an00551f] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A sensitive photoelectrochemical immunoassay for AFP was developed via signal enhancement of WS2/CdS heterojunction and signal quenching of enzyme-mediated biocatalytic precipitation.
Collapse
Affiliation(s)
- Yang Zang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Yun Ju
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Xin Hu
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Hui Zhou
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Zhanjun Yang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Jingjing Jiang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Huaiguo Xue
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| |
Collapse
|
12
|
Ma H, Zhao Y, Liu Y, Zhang Y, Wu D, Li H, Wei Q. A Compatible Sensitivity Enhancement Strategy for Electrochemiluminescence Immunosensors Based on the Biomimetic Melanin-Like Deposition. Anal Chem 2017; 89:13049-13053. [DOI: 10.1021/acs.analchem.7b04397] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hongmin Ma
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Yanhua Zhao
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Yuanyuan Liu
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Yong Zhang
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Dan Wu
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - He Li
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Qin Wei
- Key Laboratory of Interface Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
| |
Collapse
|
13
|
Fan D, Wang H, Khan MS, Bao C, Wang H, Wu D, Wei Q, Du B. An ultrasensitive photoelectrochemical immunosensor for insulin detection based on BiOBr/Ag 2 S composite by in-situ growth method with high visible-light activity. Biosens Bioelectron 2017; 97:253-259. [DOI: 10.1016/j.bios.2017.05.044] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 05/19/2017] [Accepted: 05/24/2017] [Indexed: 01/16/2023]
|
14
|
Graphitic carbon nitride quantum dots in situ coupling to Bi 2 MoO 6 nanohybrids with enhanced charge transfer performance and photoelectrochemical detection of copper ion. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.01.042] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|