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Blueprint for Impedance-based Electrochemical Biosensors as Bioengineered Tools in the Field of Nano-Diagnostics. CURRENT RESEARCH IN BIOTECHNOLOGY 2022. [DOI: 10.1016/j.crbiot.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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A novel electrochemical platform for assay of alkaline phosphatase based on amifostine and ATRP signal amplification. Anal Bioanal Chem 2022; 414:6955-6964. [PMID: 35972525 DOI: 10.1007/s00216-022-04264-4] [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: 06/02/2022] [Revised: 07/26/2022] [Accepted: 08/02/2022] [Indexed: 11/01/2022]
Abstract
Alkaline phosphatase (ALP), an important hydrolase involved in dephosphorylation, is a common clinical indicator of many diseases. In the present study, we constructed a novel electrochemical sensor using amifostine as the substrate of ALP and activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) as a signal amplification strategy for sensitive determination of ALP activity. In particular, in the presence of ALP, the phosphate group of amifostine was hydrolyzed to form a sulfhydryl group, which could attach to a gold electrode via a sulfur-gold bond. Then, the initiator α-bromophenylacetic acid (BPAA) was linked to the hydrolysis product of amifostine through an amide bond, resulting in the production of electroactive polymer chains on the gold electrode by the monomer ferrocenylmethyl methacrylate (FMMA) via ARGET ATRP. Under optimal parameters, the electrochemical sensor demonstrated a limit of detection (LOD) of 1.71 mU mL-1 with a linear range of 5-100 mU mL-1. In addition to satisfactory selectivity, the potential application of this approach for ALP activity detection in human serum samples was demonstrated. Due to its efficiency, simplicity of operation, and cost-effectiveness, the proposed electrochemical sensor has great promise as a universal method for ALP assays and inhibitor screening.
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Li X, Lu J, Li Z, Yang H, Li W, Liu Y, Miao M. Electrochemical detection of alkaline phosphatase activity via atom transfer radical polymerization. Bioelectrochemistry 2022; 144:107998. [PMID: 34808503 DOI: 10.1016/j.bioelechem.2021.107998] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/31/2021] [Accepted: 11/08/2021] [Indexed: 12/15/2022]
Abstract
Alkaline phosphatase (ALP) activity is a diagnostic indicator for a variety of clinical diseases. In this study, an electrochemical method for detecting ALP activity through activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) was developed. Specifically, 3-mercaptopropionic (MPA) was firstly fixed on the electrode through sulfur-gold bonding. Subsequently, α-bromophenylacetic acid (BPAA) as initiator was attached to MPA through the recognized carboxylate-Zr4+-phosphate chemistry. Finally, in the existence of ALP, L-Ascorbic acid 2-phosphate sesquimagnesium salt hydrate (AAPS) was hydrolyzed to produce ascorbic acid (AA) which participated in the ARGET ATRP reaction, grafting polymer containing plenty of ferrocene electroactive probes on the surface of electrode. Under optimal experimental conditions, this method had a linear scope of 20-200 mU mL-1, and a limit of detection (LOD) of 1.64 mU mL-1. In addition, the proposed method had good selectivity as well as anti-interference capability, with satisfactory results in inhibition rate and human serum experiments. By merits of good analytical performance, easy operation, and low cost, such a method for ALP activity detection has promising applications in ALP-related disease detection and inhibitor screening.
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Affiliation(s)
- Xiaofei Li
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, PR China
| | - Jing Lu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, PR China
| | - Zutian Li
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, PR China
| | - Haoyuan Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, PR China
| | - Weiming Li
- The Third Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou 450003, PR China.
| | - Yanju Liu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, PR China.
| | - Mingsan Miao
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, PR China.
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Lu J, Li D, Ma L, Miao M, Liu Y, Kong J. Fluorescent assay of alkaline phosphatase activity via atom transfer radical polymerization. Mikrochim Acta 2022; 189:84. [DOI: 10.1007/s00604-022-05189-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 01/12/2022] [Indexed: 11/25/2022]
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Balbaied T, Moore E. Real-Time Impedance Monitoring of Alkaline Phosphatase (ALP) Release by Microelectrode Arrays. ANAL LETT 2021. [DOI: 10.1080/00032719.2021.2002888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Thanih Balbaied
- Sensing & Separation Group, School of Chemistry and Life Science Interface, University College Cork, Tyndall National Institute, Cork, Ireland
| | - Eric Moore
- Sensing & Separation Group, School of Chemistry and Life Science Interface, University College Cork, Tyndall National Institute, Cork, Ireland
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Lee S, Kim H, Kim HY, Park HG. Target-induced transcription of a light-up RNA aptamer to construct a novel method for alkaline phosphatase assay. Chem Commun (Camb) 2021; 57:12341-12344. [PMID: 34735558 DOI: 10.1039/d1cc04787f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We herein developed a novel method for alkaline phosphatase (ALP) assay based on the target-induced transcription of a light-up RNA aptamer, consequently producing a highly enhanced fluorescence signal upon specifically binding to the corresponding dye. Using this strategy, we successfully determined the ALP activity down to 0.018 U L-1 (dynamic linear range of 0.04-4 U L-1) with excellent selectivity.
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Affiliation(s)
- Seoyoung Lee
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Hansol Kim
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Hyo Yong Kim
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Hyun Gyu Park
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
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Zhu X, Wang W, Lu J, Hao L, Yang H, Liu Y, Si F, Kong J. Grafting of polymers via ring-opening polymerization for electrochemical assay of alkaline phosphatase activity. Anal Chim Acta 2021; 1185:339069. [PMID: 34711324 DOI: 10.1016/j.aca.2021.339069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/28/2021] [Accepted: 09/14/2021] [Indexed: 01/12/2023]
Abstract
As an important hydrolytic enzyme, abnormal activity of alkaline phosphatase (ALP) is closely associated with a variety of diseases. It has been identified as an important diagnostic indicator for clinical hepatobiliary and bone diseases. Herein, a novel electrochemical sensor based on signal amplification strategy through ring-opening polymerization (ROP) has been developed to assay of ALP activity. First of all, 3-mercaptopropanoic acid (MPA) was employed as a cross-linking agent to attach O-phosphoethanolamine to the electrode surface via amide bond. Then, ALP catalyzed the hydrolysis of phosphate monoester structures to hydroxyl groups, which could initiate ROP reaction. The polymer grafted on the electrode surface contains a large number of ferrocene electroactive molecules, which effectively increased the signal output of the electrochemical sensor and improved the sensitivity of ALP activity detection. Under optimum conditions, this electrochemical sensor rendered a satisfactory linear dependence over the range from 20 to 120 mU mL-1, with a low detection limit of 0.66 mU mL-1. Furthermore, this strategy presented satisfactory selectivity and interference resistance in human serum sample, and compared with clinical data, the relative error of the results obtained by this method was less than 5%. Thus, this method showed considerable potential for the detection of ALP activity in clinical application.
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Affiliation(s)
- Xin Zhu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Wenbin Wang
- Henan Key Laboratory of TCM Syndrome and Prescription in Signaling, Henan International Joint Laboratory of TCM Syndrome and Prescription in Signaling, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Jing Lu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Lulu Hao
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Huaixia Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Yanju Liu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China.
| | - Fuchun Si
- Henan Key Laboratory of TCM Syndrome and Prescription in Signaling, Henan International Joint Laboratory of TCM Syndrome and Prescription in Signaling, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China.
| | - Jinming Kong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, PR China.
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Wang W, Lu J, Hao L, Yang H, Song X, Si F. Electrochemical detection of alkaline phosphatase activity through enzyme-catalyzed reaction using aminoferrocene as an electroactive probe. Anal Bioanal Chem 2021; 413:1827-1836. [PMID: 33481047 DOI: 10.1007/s00216-020-03150-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/05/2020] [Accepted: 12/23/2020] [Indexed: 12/31/2022]
Abstract
As a nonspecific phosphomonoesterase, alkaline phosphatase (ALP) plays a pivotal role in tissue mineralization and osteogenesis which is an important biomarker for the clinical diagnosis of bone and hepatobiliary diseases. Herein, we described a novel electrochemical method that used aminoferrocene (AFC) as an electroactive probe for the ALP activity detection. In the condition with imidazole and N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDC), the AFC probe could be directly labeled on single-stranded DNA (ssDNA) by one-step conjugation. Specifically, thiolated ssDNA at 3'-terminals was modified to the electrode surface through Au-S bond. In the condition without ALP, AFC could be labeled on ssDNA by conjugating with phosphate groups. In the presence of ALP, phosphate groups were catalyzed to be removed from the 5'-terminal of ssDNA. The AFC probe cannot be labeled on ssDNA. Thus, the electrochemical detection of ALP activity was achieved. Under optimal conditions, the strategy presented a good linear relationship between current intensity and ALP concentration in the range of 20 to 100 mU/mL with the limit of detection (LOD) of 1.48 mU/mL. More importantly, the approach rendered high selectivity and satisfactory applicability for ALP activity detection. In addition, this method has merits of ease of operation, low cost, and environmental friendliness. Thus, this strategy presents great potential for ALP activity detection in practical applications. An easy, sensitive and reliable strategy was developed for the detection of alkaline phosphatase activity via electrochemical "Signal off".
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Affiliation(s)
- Wenbin Wang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Jing Lu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Lulu Hao
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Huaixia Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Xuejie Song
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Fuchun Si
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
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Mahato K, Purohit B, Kumar A, Chandra P. Clinically comparable impedimetric immunosensor for serum alkaline phosphatase detection based on electrochemically engineered Au-nano-Dendroids and graphene oxide nanocomposite. Biosens Bioelectron 2020; 148:111815. [DOI: 10.1016/j.bios.2019.111815] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/15/2019] [Accepted: 10/22/2019] [Indexed: 01/08/2023]
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Balbaied T, Moore E. Overview of Optical and Electrochemical Alkaline Phosphatase (ALP) Biosensors: Recent Approaches in Cells Culture Techniques. BIOSENSORS 2019; 9:E102. [PMID: 31450819 PMCID: PMC6784369 DOI: 10.3390/bios9030102] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/15/2019] [Accepted: 08/19/2019] [Indexed: 12/12/2022]
Abstract
Alkaline phosphatase (ALP), which catalyzes the dephosphorylation process of proteins, nucleic acids, and small molecules, can be found in a variety of tissues (intestine, liver, bone, kidney, and placenta) of almost all living organisms. This enzyme has been extensively used as a biomarker in enzyme immunoassays and molecular biology. ALP is also one of the most commonly assayed enzymes in routine clinical practice. Due to its close relation to a variety of pathological processes, ALP's abnormal level is an important diagnostic biomarker of many human diseases, such as liver dysfunction, bone diseases, kidney acute injury, and cancer. Therefore, the development of convenient and reliable assay methods for monitoring ALP activity/level is extremely important and valuable, not only for clinical diagnoses but also in the area of biomedical research. This paper comprehensively reviews the strategies of optical and electrochemical detection of ALP and discusses the electrochemical techniques that have been addressed to make them suitable for ALP analysis in cell culture.
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Affiliation(s)
- Thanih Balbaied
- University College Cork, Sensing & Separation Group, School of Chemistry and life Science Interface, Tyndall National Institute, T12R5CP Cork, Ireland
| | - Eric Moore
- University College Cork, Sensing & Separation Group, School of Chemistry and life Science Interface, Tyndall National Institute, T12R5CP Cork, Ireland.
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Synthesis of DNA-templated copper nanoparticles with enhanced fluorescence stability for cellular imaging. Mikrochim Acta 2019; 186:479. [PMID: 31250120 DOI: 10.1007/s00604-019-3620-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 06/15/2019] [Indexed: 12/14/2022]
Abstract
Fluorescence of DNA-templated copper nanoparticles (DNA-CuNPs) is not stable over time which limits applications in cellular imaging. This is due to the presence of oxygen during synthesis which oxidizes Cu(0) to Cu(II) and also produces the free hydroxyl radical. The authors have prepared DNA-CuNPs with enhanced temporal stability of fluorescence by optimizing the reaction conditions so as to minimize the deleterious effects of oxygen. The operational lifetime of DNA-CuNPs was increased from 25 min to 200 min. Fluorescence spectra of DNA-CuNPs in optimized condition show an emission peak at 650 nm when excited at 340 nm. DNA-CuNPs synthesized in this manner were used for cell imaging. As a proof of concept, the nucleus of a human colon cell line (HCT116) was stained. The method does not involve any chemicals other that copper sulfate and ascorbate. This new approach for generating DNA-CuNPs improves imaging of biological processes and provides a basis for developing other types of DNA-templated nanomaterials. Graphical abstract Schematic presentation of the formation of fluorescent DNA-templated copper nanoparticles (DNA-CuNPs). A large amount of ascorbate provides long operational lifetime for cellular imaging under the condition exposed to oxygen. *Asc- and **DHA stand for ascorbate and dehydroascorbic acid.
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Rapid and label-free, electrochemical DNA detection utilizing the oxidase-mimicking activity of cerium oxide nanoparticles. Electrochem commun 2019. [DOI: 10.1016/j.elecom.2018.12.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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