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Qin X, Zhu X, Wang Y. Fouling-Free electrochemical strategy based on vertically-aligned peptide layer for cardiac troponin I sensitive detection in human serum. Anal Chim Acta 2024; 1317:342866. [PMID: 39030026 DOI: 10.1016/j.aca.2024.342866] [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: 04/15/2024] [Revised: 05/24/2024] [Accepted: 06/10/2024] [Indexed: 07/21/2024]
Abstract
BACKGROUND Cardiac troponin I (CTnI) is demonstrated as one of the most promising disease biomarkers for early diagnosing acute myocardial infarction (AMI). To date, electrochemical immunosensors have been extensively studied in the field of cTnI determination. But highly accurate and sensitive cTnI detection by this method is still a challenge due to non-specific adsorption on electrode interfaces in complex human serum. As a result, it is necessary to develop an antifouling electrochemical immunosensor with high sensitivity for the detection of cTnI. RESULTS In this work, an antifouling electrochemical immunosensor was constructed based on vertically-aligned peptide layer consisting of Au nanoparticles (AuNPs) and amphiphilic CEAK16 peptide (CEAK16@AuNPs) for sensitive and accurate detection of cTnI in human serum. The vertically-aligned CEAK16@AuNPs interface provided a stable hydration layer originated from attraction of water molecules by amino acids on the hydrophilic side of the CEAK16, which effectively reduced non-specific adsorption and enhanced electron transfer rate. The cTnI immunosensor possessed great analytical performance with a wide range from 1 fg mL-1 to 1 μg mL-1 and a low detection limit of 0.28 fg mL-1 (S/N = 3). Additionally, the proposed CEAK16@AuNPs sensing interface showed excellent long-term antifouling performance and electrochemical activity that preserved 80 % of the initial signal after 20-days exposure in human serum samples. Consequently, the cTnI immunosensor displayed excellent detection accuracy compared to clinical methods and owned good selectivity, stability and reproducibility. SIGNIFICANCE The development of this strategy provides a versatile tool for accurate quantitative cTnI analysis in real human serum, thus helping to achieve early AMI diagnosis effectively and holding the promising potentials for other immunosensor in disease diagnosis.
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Affiliation(s)
- Xingao Qin
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Xiaoyu Zhu
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Ying Wang
- State Key Laboratory of Pollution Control and Resources Reuse (Tongji University), College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
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2
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Ayman Saleh M, Khorrami Jahromi A, Shieh H, Siavash Moakhar R, Del Real Mata C, Mahshid S. A reagentless molecularly imprinted polymer-based electrochemical biosensor for single-step detection of troponin I in biofluids. Analyst 2024; 149:4020-4028. [PMID: 38961728 DOI: 10.1039/d4an00247d] [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: 07/05/2024]
Abstract
Reagentless molecular-imprinted polymer (MIP) electrochemical biosensors can offer the next generation of biosensing platforms for the detection of biomarkers owing to their simplicity, cost-efficacy, tunability, robustness, and accuracy. In this work, a novel combination of Prussian blue (PB), coated as an embedded redox probe on a gold working electrode (GWE), and a signal-off MIP assay has been proposed in an electrochemical format for the detection of troponin I (TnI) in biofluids. TnI is a variant exclusive to heart muscles, and its elevated level in the bloodstream is indicative of acute myocardial infarction (AMI). The proposed lab-manufactured PB/MIP electrochemical biosensor, consisting of a simple signal-off MIP assay and a PB redox probe embedded on the GWE surface, is the first of its kind that allows for reagentless, label-free, and single-step electrochemical biosensing of proteins. The preparation steps of the biosensor were fully characterized by cyclic voltammetry (CV), atomic force microscopy (AFM), and Raman spectroscopy. Finally, the performance of the optimized biosensor was investigated through the determination of various concentrations of TnI, ranging from 10 to 100 pg mL-1 within 5 min, in serum and plasma with limits of detection less than 3.6 pg mL-1, and evaluation of selectivity towards TnI using some relevant proteins that exist in biofluids with higher concentrations.
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Affiliation(s)
- Mahmoud Ayman Saleh
- McGill University, Department of Bioengineering, Montreal, QC, H3A 0E9, Canada
| | | | - Hamed Shieh
- McGill University, Department of Bioengineering, Montreal, QC, H3A 0E9, Canada
| | | | | | - Sara Mahshid
- McGill University, Department of Bioengineering, Montreal, QC, H3A 0E9, Canada
- Department of Experimental Medicine, McGill University, Montréal, Quebec, H3G 2M1, Canada.
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3
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Singh N, Kaushik A, Ghori I, Rai P, Dong L, Sharma A, Malhotra BD, John R. Electrochemical and Plasmonic Detection of Myocardial Infarction Using Microfluidic Biochip Incorporated with Mesoporous Nanoscaffolds. ACS APPLIED MATERIALS & INTERFACES 2024; 16:32794-32811. [PMID: 38860871 DOI: 10.1021/acsami.4c01398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
This paper reports a microfluidic device for the electrochemical and plasmonic detection of cardiac myoglobin (cMb) and cardiac troponin I (cTnI) with noticeable limits of detection (LoD) as low as a few picograms per milliliter (pg/mL) ranges, achieved in a short detection time. The device features two working electrodes, each with a mesoporous Ni3V2O8 nanoscaffold grafted with reduced graphene oxide (rGO) that improves the interaction of diffusing analyte molecules with the sensing surface by providing a high surface area and reaction kinetics. Electrochemical studies reveal sensitivities as high as 9.68 μA ng/mL and a LoD of 2.0 pg/mL for cTnI, and 8.98 μA ng/mL and 4.7 pg/mL for cMb. Additionally, the surface plasmon resonance (SPR) studies demonstrate a low-level LoD of 8.8 pg/mL for cMb and 7.3 pg/mL for cTnI. The dual-modality sensor enables dynamic tracking of kinetic antigen-antibody interactions during sensing, self-verification through providing signals of two modes, and reduced false readout. This study demonstrates the complementary nature of the electrochemical and SPR modes in biosensing, with the electrochemical mode being highly sensitive and the SPR mode providing superior tracking of molecular recognition behaviors. The presented sensor represents a significant innovation in cardiovascular disease management and can be applied to monitor other clinically important biomolecules.
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Affiliation(s)
- Nawab Singh
- Department of Electrical and Computer Engineering, Iowa State University, Ames, Iowa 50011, United States
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Hyderabad 502284, India
| | - Ajeet Kaushik
- Department of Environmental Engineering, Florida Polytechnic University, Lakeland, Florida 33805, United States
| | - Inayathullah Ghori
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Hyderabad 502284, India
| | - Prabhakar Rai
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Liang Dong
- Department of Electrical and Computer Engineering, Iowa State University, Ames, Iowa 50011, United States
- Microelectronics Research Center, Iowa State University, Ames, Iowa 50011, United States
| | - Ashutosh Sharma
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Bansi D Malhotra
- Environment & Biomedical Metrology Section, CSIR-National Physical Laboratory, New Delhi 110012, India
| | - Renu John
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Hyderabad 502284, India
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4
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Ranjbari F, Nosrat A, Fathi F, Mohammadzadeh A. Surface plasmon resonance biosensors for early troponin detection. Clin Chim Acta 2024; 558:118670. [PMID: 38582245 DOI: 10.1016/j.cca.2024.118670] [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: 02/25/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/08/2024]
Abstract
Acute myocardial infarction (AMI) is one of the life-threatening causes that decrease blood flow to the heart, leading to increased mortality and related complications. Recently, the measure of blood concentration of cardiac biomarkers has been suggested to overcome the limitations of electrocardiography (ECG) analyses for early diagnosis of this disease. Troponins, especially cardiac troponin I and cardiac troponin T, with high sensitivity and specificity, are considered the gold standards in myocardial diagnosis. Recently, the use of new biosensors such as surface plasmon resonance (SPR) for early detection of these biomarkers has been greatly appreciated. Due to the rapid, sensitive, real-time, and label-free detection of SPR-based biosensors, they can be applied for selective and nonspecific absorption that is intended to be used as an in situ cardiac biosensor. Here, we exclusively discussed the updated developments of these valuable predictors for the possible occurrence of AMI detected by SPR.
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Affiliation(s)
- Faride Ranjbari
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Ali Nosrat
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Farzaneh Fathi
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Alireza Mohammadzadeh
- Department of Surgery, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
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Umar A, Haque M, Ansari SG, Seo HK, Ibrahim AA, Alhamami MAM, Algadi H, Ansari ZA. Label-Free Myoglobin Biosensor Based on Pure and Copper-Doped Titanium Dioxide Nanomaterials. BIOSENSORS 2022; 12:1151. [PMID: 36551118 PMCID: PMC9775539 DOI: 10.3390/bios12121151] [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: 10/31/2022] [Revised: 12/02/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
In this study, using pure and copper-doped titanium dioxide (Cu-TiO2) nanostructures as the base matrix, enzyme-less label free myoglobin detection to identify acute myocardial infarction was performed and presented. The Cu-TiO2 nanomaterials were prepared using facile sol-gel method. In order to comprehend the morphologies, compositions, structural, optical, and electrochemical characteristics, the pure and Cu-TiO2 nanomaterials were investigated by several techniques which clearly revealed good crystallinity and high purity. To fabricate the enzyme-less label free biosensor, thick films of synthesized nanomaterials were applied to the surface of a pre-fabricated gold screen-printed electrode (Au-SPE), which serves as a working electrode to construct the myoglobin (Mb) biosensors. The interference study of the fabricated biosensor was also carried out with human serum albumin (HSA) and cytochrome c (cyt-c). Interestingly, the Cu-doped TiO2 nanomaterial-based Mb biosensor displayed a higher sensitivity of 61.51 µAcm-2/nM and a lower detection limit of 14 pM with a response time of less than 10 ms.
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Affiliation(s)
- Ahmad Umar
- Department of Chemistry, Faculty of Science and Arts, Najran University, Najran 11001, Saudi Arabia
- Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Mazharul Haque
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Shafeeque G. Ansari
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Hyung-Kee Seo
- School of Chemical Engineering, Jeonbuk National University, Jeonju 56212, Republic of Korea
| | - Ahmed A. Ibrahim
- Department of Chemistry, Faculty of Science and Arts, Najran University, Najran 11001, Saudi Arabia
- Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia
| | - Mohsen A. M. Alhamami
- Department of Chemistry, Faculty of Science and Arts, Najran University, Najran 11001, Saudi Arabia
| | - Hassan Algadi
- Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia
- Department of Electrical Engineering, College of Engineering, Najran University, Najran 11001, Saudi Arabia
| | - Zubaida A. Ansari
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
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John RV, Devasiya T, V.R. N, Adigal S, Lukose J, Kartha VB, Chidangil S. Cardiovascular biomarkers in body fluids: progress and prospects in optical sensors. Biophys Rev 2022; 14:1023-1050. [PMID: 35996626 PMCID: PMC9386656 DOI: 10.1007/s12551-022-00990-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 07/28/2022] [Indexed: 12/14/2022] Open
Abstract
Cardiovascular diseases (CVD) are the major causative factors for high mortality and morbidity in developing and developed nations. The biomarker detection plays a crucial role in the early diagnosis of several non-infectious and life-threatening diseases like CVD and many cancers, which in turn will help in more successful therapy, reducing the mortality rate. Biomarkers have diagnostic, prognostic and therapeutic significances. The search for novel biomarkers using proteomics, bio-sensing, micro-fluidics, and spectroscopic techniques with good sensitivity and specificity for CVD is progressing rapidly at present, in addition to the use of gold standard biomarkers like troponin. This review is dealing with the current progress and prospects in biomarker research for the diagnosis of cardiovascular diseases. Expert opinion. Fast diagnosis of cardiovascular diseases (CVDs) can help to provide rapid medical intervention, which can affect the patient’s short and long-term health. Identification and detection of proper biomarkers for early diagnosis are crucial for successful therapy and prognosis of CVDs. The present review discusses the analysis of clinical samples such as whole blood, blood serum, and other body fluids using techniques like high-performance liquid chromatography-LASER/LED-induced fluorescence, Raman spectroscopy, mainly, optical methods, combined with nanotechnology and micro-fluidic technologies, to probe patterns of multiple markers (marker signatures) as compared to conventional techniques.
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Affiliation(s)
- Reena V. John
- Centre of Excellence for Biophotonics, Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
| | - Tom Devasiya
- Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
| | - Nidheesh V.R.
- Centre of Excellence for Biophotonics, Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
| | - Sphurti Adigal
- Centre of Excellence for Biophotonics, Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
| | - Jijo Lukose
- Centre of Excellence for Biophotonics, Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
| | - V. B. Kartha
- Centre of Excellence for Biophotonics, Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
| | - Santhosh Chidangil
- Centre of Excellence for Biophotonics, Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal, Karnataka India 576104
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7
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Campu A, Muresan I, Craciun AM, Cainap S, Astilean S, Focsan M. Cardiac Troponin Biosensor Designs: Current Developments and Remaining Challenges. Int J Mol Sci 2022; 23:ijms23147728. [PMID: 35887073 PMCID: PMC9318943 DOI: 10.3390/ijms23147728] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 01/27/2023] Open
Abstract
Acute myocardial infarction (AMI) is considered as one of the main causes of death, threating human lives for decades. Currently, its diagnosis relies on electrocardiography (ECG), which has been proven to be insufficient. In this context, the efficient detection of cardiac biomarkers was proposed to overcome the limitations of ECG. In particular, the measurement of troponins, specifically cardiac troponin I (cTnI) and cardiac troponin T (cTnT), has proven to be superior in terms of sensitivity and specificity in the diagnosis of myocardial damage. As one of the most life-threatening conditions, specific and sensitive investigation methods that are fast, universally available, and cost-efficient to allow for early initiation of evidence-based, living-saving treatment are desired. In this review, we aim to present and discuss the major breakthroughs made in the development of cTnI and cTnT specific biosensor designs and analytical tools, highlighting the achieved progress as well as the remaining challenges to reach the technological goal of simple, specific, cheap, and portable testing chips for the rapid and efficient on-site detection of cardiac cTnI/cTnT biomarkers in order to diagnose and treat cardiovascular diseases at an incipient stage.
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Affiliation(s)
- Andreea Campu
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania; (A.C.); (I.M.); (A.-M.C.); (S.A.)
| | - Ilinca Muresan
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania; (A.C.); (I.M.); (A.-M.C.); (S.A.)
| | - Ana-Maria Craciun
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania; (A.C.); (I.M.); (A.-M.C.); (S.A.)
| | - Simona Cainap
- Department of Pediatric Cardiology, Pediatric Clinic 2, Emergency County Hospital for Children, Crisan No. 3-5, 400124 Cluj-Napoca, Romania;
- Department of Mother & Child, Iuliu Hatieganu University of Medicine and Pharmacology, Louis Pasteur No. 4, 400349 Cluj-Napoca, Romania
| | - Simion Astilean
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania; (A.C.); (I.M.); (A.-M.C.); (S.A.)
- Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, Mihail Kogalniceanu No. 1, 400084 Cluj-Napoca, Romania
| | - Monica Focsan
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania; (A.C.); (I.M.); (A.-M.C.); (S.A.)
- Correspondence: ; Tel.: +40-264-454-554 (ext. 116)
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Qiu J, Jiang P, Wang C, Chu Y, Zhang Y, Wang Y, Zhang M, Han L. Lys-AuNPs@MoS 2 Nanocomposite Self-Assembled Microfluidic Immunoassay Biochip for Ultrasensitive Detection of Multiplex Biomarkers for Cardiovascular Diseases. Anal Chem 2022; 94:4720-4728. [PMID: 35258919 DOI: 10.1021/acs.analchem.1c05061] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The progression of cardiovascular diseases is accompanied by myocardial injury and necrosis, heart failure, and inflammatory response. Accordingly, ultrasensitive and rapid detection of multiple biomarkers plays a vital role in clinical diagnosis and timely treatment. Here, we developed a novel Lys-AuNPs@MoS2 nanocomposite self-assembled microfluidic immunoassay biochip with digital signal output and applied it to the simultaneous detection of multiple serum biomarkers including inflammatory factors and cardiovascular biomarkers, PCT, CRP, IL6, cTnI, cTnT, and NT-BNP, with high throughput and sensitivity. The digital output signal was collected in the solid phase on the chip surface with two-dimensional distribution of targets. Lys-AuNPs@MoS2 nanocomposites self-assembled biochips could simultaneously detect all six biomarkers in 60 samples in 40 min with detection limit of a few to tens of pg/mL for all serum biomarkers. The microfluidic biochip based on Lys-AuNPs@MoS2 nanocomposites provides a promising method in applications for clinical diagnosis.
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Affiliation(s)
- Jiaoyan Qiu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Peiqing Jiang
- Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Qingdao, Shandong 266035, China
| | - Chunhua Wang
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Yujin Chu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Yu Zhang
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Yihe Wang
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Mei Zhang
- Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Qingdao, Shandong 266035, China
| | - Lin Han
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
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Tabish TA, Hayat H, Abbas A, Narayan RJ. Graphene Quantum Dots-Based Electrochemical Biosensing Platform for Early Detection of Acute Myocardial Infarction. BIOSENSORS 2022; 12:bios12020077. [PMID: 35200338 PMCID: PMC8869523 DOI: 10.3390/bios12020077] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/27/2021] [Accepted: 01/26/2022] [Indexed: 05/15/2023]
Abstract
Heart failure resulting from acute myocardial infarction (AMI) is an important global health problem. Treatments of heart failure and AMI have improved significantly over the past two decades; however, the available diagnostic tests only give limited insights into these heterogeneous conditions at a reversible stage and are not precise enough to evaluate the status of the tissue at high risk. Innovative diagnostic tools for more accurate, more reliable, and early diagnosis of AMI are urgently needed. A promising solution is the timely identification of prognostic biomarkers, which is crucial for patients with AMI, as myocardial dysfunction and infarction lead to more severe and irreversible changes in the cardiovascular system over time. The currently available biomarkers for AMI detection include cardiac troponin I (cTnI), cardiac troponin T (cTnT), myoglobin, lactate dehydrogenase, C-reactive protein, and creatine kinase and myoglobin. Most recently, electrochemical biosensing technologies coupled with graphene quantum dots (GQDs) have emerged as a promising platform for the identification of troponin and myoglobin. The results suggest that GQDs-integrated electrochemical biosensors can provide useful prognostic information about AMI at an early, reversible, and potentially curable stage. GQDs offer several advantages over other nanomaterials that are used for the electrochemical detection of AMI such as strong interactions between cTnI and GQDs, low biomarker consumption, and reusability of the electrode; graphene-modified electrodes demonstrate excellent electrochemical responses due to the conductive nature of graphene and other features of GQDs (e.g., high specific surface area, π-π interactions with the analyte, facile electron-transfer mechanisms, size-dependent optical features, interplay between bandgap and photoluminescence, electrochemical luminescence emission capability, biocompatibility, and ease of functionalization). Other advantages include the presence of functional groups such as hydroxyl, carboxyl, carbonyl, and epoxide groups, which enhance the solubility and dispersibility of GQDs in a wide variety of solvents and biological media. In this perspective article, we consider the emerging knowledge regarding the early detection of AMI using GQDs-based electrochemical sensors and address the potential role of this sensing technology which might lead to more efficient care of patients with AMI.
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Affiliation(s)
- Tanveer A. Tabish
- Department of Materials and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ, UK;
| | - Hasan Hayat
- College of Engineering, Swansea University, Wales SA1 8EN, UK;
| | - Aumber Abbas
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK;
| | - Roger J. Narayan
- Joint Department of Biomedical Engineering, North Carolina and North Carolina State University, Raleigh, NC 27695-7907, USA
- Correspondence:
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10
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He S, Zhang P, Sun J, Ji Y, Huang C, Jia N. Integrating potential-resolved electrochemiluminescence with molecularly imprinting immunoassay for simultaneous detection of dual acute myocardial infarction markers. Biosens Bioelectron 2022; 201:113962. [PMID: 35021132 DOI: 10.1016/j.bios.2022.113962] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 12/11/2021] [Accepted: 01/01/2022] [Indexed: 12/19/2022]
Abstract
A novel potential-resolved molecularly imprinted electrochemical luminescence (ECL) immunosensor has been developed for the first time for the dual sensitive detection of markers of acute myocardial infarction (AMI): cardiac troponin I (cTnI) and myoglobin (Mb). In this work, cost-effective and robust molecularly imprinted polymer (MIP) as biomimetic antibody was used to construct the immunosensors through electropolymerization and elution to form polydopamine (PDA)-MIP modified electrode. In the presence of AMI biomarkers, two ECL probes including Ru(bpy)32+@ MOCs and MoS2 QDs functionalized by cTnI antibody and Mb aptamer could be specifically captured respectively. And two potential distinct ECL signals will be generated in one potential scan. The intensity of ECL reflects the concentrations of cTnI and Mb. The two ECL probes were characterized with field emission scanning electron microscopy, X-ray diffraction, FT-IR spectrum and UV-Vis diffuse reflectance spectroscopy. The prepared sensor exhibited a wide linear range (0.05-104 ng/mL) and a low detection limit (0.0184 ng/mL for cTnI and 0.0492 ng/mL for Mb). Additionally, the MIP-ECL sensor displayed excellent anti-interference, sensitivity and stability to detect cTnI and Mb. Therefore, it will be conducive to accelerate more precise and credible early diagnosis for AMI.
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Affiliation(s)
- Shuang He
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Pei Zhang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Jing Sun
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Yu Ji
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Chusen Huang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China.
| | - Nengqin Jia
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China.
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Hong C, Zhang P, Lu K, Ji Y, He S, Liu D, Jia N. A dual-signal electrochemiluminescence immunosensor for high-sensitivity detection of acute myocardial infarction biomarker. Biosens Bioelectron 2021; 194:113591. [PMID: 34500228 DOI: 10.1016/j.bios.2021.113591] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/10/2021] [Accepted: 08/24/2021] [Indexed: 01/03/2023]
Abstract
Based on two different types of luminescence systems (Ru﹡(bpy)32+/TPA and SnO2 NFs/K2S2O8), a new type of electrochemiluminescence (ECL) immunosensor was prepared, which realized the detection of acute myocardial infarction biomarker cTnI. In this strategy, Ru(bpy)32+, above all, was immobilized on the NH2-MIL-125 as a capture probe. Subsequently, cTnI and SnO2 NFs was bonded to the electrode surface through the interaction between antigen and antibody in turn. During this process, Ru(bpy)32+ and the co-reactant TPA first showed strong and stable ECL emission. As the concentration of cTnI in the test system increased, the signal of SnO2 NFs and the co-reactant K2S2O8 gradually enhanced, indicating self-calibrating mechanism of the assay system. Therefore, the "off-on" ECL immunosensor can be detected in the linear range of 10-5 -104 ng/mL, and the limit of detection (LOD) is 3.39 fg/mL (S/N = 3), respectively. The dual-signal electrochemiluminescence method has the advantages of low cost, simple analysis process, wide detection range and good selectivity, providing a promising analysis protocol for clinical applications.
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Affiliation(s)
- Chenghui Hong
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Pei Zhang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Kening Lu
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Yu Ji
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Shuang He
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Dongqin Liu
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China
| | - Nengqin Jia
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, China.
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12
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Atabaki AH, Montazeri A, Rafii-Tabar H, Sasanpour P. Determination of the optimal location of samples on quartz tuning fork-based biosensors: a computational study. Biomed Phys Eng Express 2021; 7:065024. [PMID: 34521074 DOI: 10.1088/2057-1976/ac26a5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In view of efficiency, simple operation, and affordable cost and disposability, quartz tuning fork systems form good candidates for mechanical-based biosensors in point of care applications. Based on the geometrical structure, the frequency response of the tuning fork- based sensors is dependent on the location of absorbed samples. In order to have the maximum efficiency and sensitivity, the optimized condition of sample loading on the fork structures should be considered. In this regard, here, we have determined the optimized sample location to be on the prongs of the quartz tuning fork by calculating the frequency response of the quartz tuning fork using the finite element method. From an application point of view, we have obtained an agreement between the calculational method and the experimental excitation technique of the structure. The results from our study show that by using an appropriate location for the sample, the quartz tuning fork could be exploited with high sensitivity.
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Affiliation(s)
- Amir Hossein Atabaki
- Medical Physics and Biomedical Engineering, Shahid Beheshti University of Medical Sciences School of Medicine, Velenjak, Tehran, Tehran, 1985717443, Iran (the Islamic Republic of)
| | - Abbas Montazeri
- Materials Science and Engineering, KN Toosi University of Technology, Vanak Suare, Tehran, Tehran, 19697, Iran (the Islamic Republic of)
| | - Hashem Rafii-Tabar
- Medical Physics and Biomedical Engineering, Shahid Beheshti University of Medical Sciences School of Medicine, Velenjak, Tehran, Tehran, 1985717443, Iran (the Islamic Republic of)
| | - Pezhman Sasanpour
- Medical Physics and Biomedical Engineering, Shahid Beheshti University of Medical Sciences School of Medicine, Velenjak, Tehran, Tehran, 1985717443, Iran (the Islamic Republic of)
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13
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Guo W, Wang J, Guo W, Kang Q, Zhou F. Interference-free photoelectrochemical immunoassays using carboxymethylated dextran-coated and gold-modified TiO 2 nanotube arrays. Anal Bioanal Chem 2021; 413:4847-4854. [PMID: 34115147 DOI: 10.1007/s00216-021-03442-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/20/2021] [Accepted: 05/28/2021] [Indexed: 11/25/2022]
Abstract
An interference-free photoelectrochemical (PEC) immunoassay was developed for cardiac troponin I (cTnI) detection. Covalent linkage of cTnI antibody to carboxymethylated (CM-) dextran pre-immobilized onto a gold nanoparticles (AuNPs)-modified TiO2 nanotube array (NTA) affords five consecutive analyte captures with surface regenerations in between. Changes in the photocurrents at this photoanode before and after cTnI captures can be well fitted with the Langmuir isotherm from 0.220 pM to 2.20 nM cTnI. Owing to the inherently high sensitivity of the PEC detection, the detection limit (2.20 pg/mL) is lower than the range attainable with the enzyme-linked immunosorbent assay (ELISA) (6.00-40.0 pg/mL). Furthermore, CM-dextran prevents species in complex biological matrices from nonspecifically adsorbing onto the sensor surface, a feature not attainable with uncoated semiconductor electrodes or those coated with non-hydrogel-based chemical modifiers. The excellent anti-fouling property of dextran hydrogel allowed us to validate the accuracy of our regenerable sensors through a comparison of PEC immunoassays of patient sera to those of ELISA.
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Affiliation(s)
- Wanze Guo
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, People's Republic of China
| | - Jinping Wang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, People's Republic of China.
| | - Wenjuan Guo
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, People's Republic of China
| | - Qing Kang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, People's Republic of China.
| | - Feimeng Zhou
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, People's Republic of China
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14
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Tran VT, Ju H. Fluorescence Based on Surface Plasmon Coupled Emission for Ultrahigh Sensitivity Immunoassay of Cardiac Troponin I. Biomedicines 2021; 9:448. [PMID: 33919217 PMCID: PMC8143139 DOI: 10.3390/biomedicines9050448] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/13/2021] [Accepted: 04/19/2021] [Indexed: 12/04/2022] Open
Abstract
This work demonstrates the quantitative assay of cardiac Troponin I (cTnI), one of the key biomarkers for acute cardiovascular diseases (the leading cause of death worldwide) using the fluorescence-based sandwich immune reaction. Surface plasmon coupled emission (SPCE) produced by non-radiative coupling of dye molecules with surface plasmons being excitable via the reverse Kretschmann format is exploited for fluorescence-based sandwich immunoassay for quantitative detection of cTnI. The SPCE fluorescence chip utilizes the gold (2 nm)-silver (50 nm) bimetallic thin film, with which molecules of the dye Alexa 488 (conjugated with detection antibodies) make a near field coupling with the plasmonic film for SPCE. The experimental results find that the SPCE greatly improves the sensitivity via enhancing the fluorescence signal (up to 50-fold) while suppressing the photo-bleaching, permitting markedly enhanced signal-to-noise ratio. The limit of detection of 21.2 ag mL-1 (atto-gram mL-1) is obtained, the lowest ever reported to date amid those achieved by optical technologies such as luminescence and label-free optical sensing techniques. The features discovered such as ultrahigh sensitivity may prompt the presented technologies to be applied for early diagnosis of cTnI in blood, particularly for emergency medical centers overloaded with patients with acute myocardial infarction who would suffer from time-delayed diagnosis due to insufficient assay device sensitivity.
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Affiliation(s)
- Vien Thi Tran
- Department of Physics, Gachon University, Seongnam-si, Gyeonggi-do 13120, Korea;
- Gachon Bionano Research Institute, Gachon University, Seongnam-si, Gyeonggi-do 13120, Korea
| | - Heongkyu Ju
- Department of Physics, Gachon University, Seongnam-si, Gyeonggi-do 13120, Korea;
- Gachon Bionano Research Institute, Gachon University, Seongnam-si, Gyeonggi-do 13120, Korea
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15
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Zhao H, Du X, Dong H, Jin D, Tang F, Liu Q, Wang P, Chen L, Zhao P, Li Y. Electrochemical immunosensor based on Au/Co-BDC/MoS 2 and DPCN/MoS 2 for the detection of cardiac troponin I. Biosens Bioelectron 2020; 175:112883. [PMID: 33341318 DOI: 10.1016/j.bios.2020.112883] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/04/2020] [Accepted: 12/05/2020] [Indexed: 12/11/2022]
Abstract
The content of cardiac troponin I (CTnI) in human blood is the key factor in judging acute myocardial infarction (AMI). In order to detect the content of CTnI, we constructed a sandwich-type electrochemical immunosensor based on hydrogen peroxide (H2O2) as a signal source. Dendritic platinum-copper alloy nanoparticles (DPCN) loaded on molybdenum disulfide (MoS2) nanosheets (DPCN/MoS2) as secondary antibodies (Ab2) label provided signal amplification. The hollow three-dimensional (3D) pyramid-shaped structure of DPCN exposed abundant active sites and exhibited excellent catalytic properties. MoS2 nanosheets with flower-like structure and a larger specific surface area can effectively load more DPCN. The combination of MoS2 and DPCN enhanced the catalytic performance of DPCN/MoS2 towards H2O2 reduction and realized signal amplification. For the substrate material, the two-dimensional (2D) metal-organic framework (Co-BDC, 1,4-benzenedicarboxylate is abbreviated as BDC) was hybridized with MoS2 nanosheets to load gold nanoparticles (Au NPs). The obtained Au/Co-BDC/MoS2 had low catalytic activity and excellent electrical conductivity, which was used to load primary antibodies (Ab1) to effectively enhance the sensitivity. Under the best conditions, we constructed the immunosensor with the detection range of 10 fg/mL to 100 ng/mL and the limit of detection (LOD) of 3.02 fg/mL. At the same time, the content of CTnI in human serum was tested with satisfactory results. Therefore, the constructed immunosensor has important significance in the sensitive and accurate detection of CTnI and early diagnosis of AMI.
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Affiliation(s)
- Huan Zhao
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Xin Du
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Hui Dong
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Delin Jin
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Feng Tang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Qing Liu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China.
| | - Ping Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Lei Chen
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
| | - Peiqing Zhao
- Zibo Central Hospital, Shandong University, Zibo, 255036, PR China.
| | - Yueyun Li
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255049, PR China
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16
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Chalklen T, Jing Q, Kar-Narayan S. Biosensors Based on Mechanical and Electrical Detection Techniques. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5605. [PMID: 33007906 PMCID: PMC7584018 DOI: 10.3390/s20195605] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/18/2020] [Accepted: 09/23/2020] [Indexed: 12/20/2022]
Abstract
Biosensors are powerful analytical tools for biology and biomedicine, with applications ranging from drug discovery to medical diagnostics, food safety, and agricultural and environmental monitoring. Typically, biological recognition receptors, such as enzymes, antibodies, and nucleic acids, are immobilized on a surface, and used to interact with one or more specific analytes to produce a physical or chemical change, which can be captured and converted to an optical or electrical signal by a transducer. However, many existing biosensing methods rely on chemical, electrochemical and optical methods of identification and detection of specific targets, and are often: complex, expensive, time consuming, suffer from a lack of portability, or may require centralised testing by qualified personnel. Given the general dependence of most optical and electrochemical techniques on labelling molecules, this review will instead focus on mechanical and electrical detection techniques that can provide information on a broad range of species without the requirement of labelling. These techniques are often able to provide data in real time, with good temporal sensitivity. This review will cover the advances in the development of mechanical and electrical biosensors, highlighting the challenges and opportunities therein.
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Affiliation(s)
| | - Qingshen Jing
- Department of Materials Science, University of Cambridge, Cambridge CB3 0FS, UK;
| | - Sohini Kar-Narayan
- Department of Materials Science, University of Cambridge, Cambridge CB3 0FS, UK;
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17
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A microfabricated thickness shear mode electroacoustic resonator for the label-free detection of cardiac troponin in serum. Talanta 2020; 215:120890. [DOI: 10.1016/j.talanta.2020.120890] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 02/25/2020] [Accepted: 02/28/2020] [Indexed: 12/20/2022]
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18
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Review on electrochemical sensing strategies for C-reactive protein and cardiac troponin I detection. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104857] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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19
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Lakshmanakumar M, Nesakumar N, Sethuraman S, Rajan KS, Krishnan UM, Rayappan JBB. Functionalized Graphene Quantum Dot Interfaced Electrochemical Detection of Cardiac Troponin I: An Antibody Free Approach. Sci Rep 2019; 9:17348. [PMID: 31758063 PMCID: PMC6874552 DOI: 10.1038/s41598-019-53979-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 10/29/2019] [Indexed: 12/03/2022] Open
Abstract
According to the World Health Organization (WHO), cardiovascular disease (CVD) is the leading cause of death in the world every year. The design and development of biosensors for the detection of CVD markers could be one of the major contributions of the scientific community to society. In this context, acetic acid functionalized graphene quantum dots (fGQDs) were used as an interface for the electrochemical detection of cardiac Troponin I (cTnI). The interaction of cTnI with fGQDs for the early diagnosis of acute myocardial infarction was investigated using cyclic voltammetry (CV) and amperometry. The carbodiimide conjugation between the N-H group of cTnI and the functionalized COOH group on GQDs enabled the detection of cTnI biomarker. The same sensing mechanism was confirmed using Fourier Transform Infrared Spectrometry (FTIR). The fGQDs modified Au electrode showed remarkable electrocatalytic oxidation of cTnI with good stability and sensitivity over a linear range of 0.17 to 3 ng mL-1 and a low detection limit of 0.02 ng mL-1. Bland-Altman plots substantiate a bias between the intra-/inter-cTnI assay and calibrated cTnI assay with 95% limits of agreement (mean difference ± 1.96 SD). The aim of this study is to describe an innovative method to detect cardiac biomarker cTnI and provide preliminary data on its diagnostic capacity. At the same time, its applicability in clinical setting will have to be validated with a significant number of samples collected from patients.
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Affiliation(s)
- Muthaiyan Lakshmanakumar
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur, 613 401, India
- School of Electrical & Electronics Engineering (SEEE), SASTRA Deemed University, Thanjavur, 613 401, India
| | - Noel Nesakumar
- Electrodics & Electrocatalysis Division, Central Electrochemical Research Institute, Karaikudi, 630 006, India
| | - Swaminathan Sethuraman
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur, 613 401, India
- School of Chemical & Biotechnology (SCBT), SASTRA Deemed University, Thanjavur, 613 401, India
| | - K S Rajan
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur, 613 401, India
- School of Chemical & Biotechnology (SCBT), SASTRA Deemed University, Thanjavur, 613 401, India
| | - Uma Maheswari Krishnan
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur, 613 401, India
- School of Chemical & Biotechnology (SCBT), SASTRA Deemed University, Thanjavur, 613 401, India
- School of Arts, Science & Humanities (SASH), SASTRA Deemed University, Thanjavur, 613 401, India
| | - John Bosco Balaguru Rayappan
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur, 613 401, India.
- School of Electrical & Electronics Engineering (SEEE), SASTRA Deemed University, Thanjavur, 613 401, India.
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20
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Hajipour MJ, Mehrani M, Abbasi SH, Amin A, Kassaian SE, Garbern JC, Caracciolo G, Zanganeh S, Chitsazan M, Aghaverdi H, Shahri SMK, Ashkarran A, Raoufi M, Bauser-Heaton H, Zhang J, Muehlschlegel JD, Moore A, Lee RT, Wu JC, Serpooshan V, Mahmoudi M. Nanoscale Technologies for Prevention and Treatment of Heart Failure: Challenges and Opportunities. Chem Rev 2019; 119:11352-11390. [PMID: 31490059 PMCID: PMC7003249 DOI: 10.1021/acs.chemrev.8b00323] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The adult myocardium has a limited regenerative capacity following heart injury, and the lost cells are primarily replaced by fibrotic scar tissue. Suboptimal efficiency of current clinical therapies to resurrect the infarcted heart results in injured heart enlargement and remodeling to maintain its physiological functions. These remodeling processes ultimately leads to ischemic cardiomyopathy and heart failure (HF). Recent therapeutic approaches (e.g., regenerative and nanomedicine) have shown promise to prevent HF postmyocardial infarction in animal models. However, these preclinical, clinical, and technological advancements have yet to yield substantial enhancements in the survival rate and quality of life of patients with severe ischemic injuries. This could be attributed largely to the considerable gap in knowledge between clinicians and nanobioengineers. Development of highly effective cardiac regenerative therapies requires connecting and coordinating multiple fields, including cardiology, cellular and molecular biology, biochemistry and chemistry, and mechanical and materials sciences, among others. This review is particularly intended to bridge the knowledge gap between cardiologists and regenerative nanomedicine experts. Establishing this multidisciplinary knowledge base may help pave the way for developing novel, safer, and more effective approaches that will enable the medical community to reduce morbidity and mortality in HF patients.
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Affiliation(s)
| | - Mehdi Mehrani
- Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Ahmad Amin
- Rajaie Cardiovascular, Medical and Research Center, Iran University of Medical Science Tehran, Iran
| | | | - Jessica C. Garbern
- Department of Stem Cell and Regenerative Biology, Harvard University, Harvard Stem Cell Institute, Cambridge, Massachusetts, United States
- Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts, United States
| | - Giulio Caracciolo
- Department of Molecular Medicine, Sapienza University of Rome, V.le Regina Elena 291, 00161, Rome, Italy
| | - Steven Zanganeh
- Department of Radiology, Memorial Sloan Kettering, New York, NY 10065, United States
| | - Mitra Chitsazan
- Rajaie Cardiovascular, Medical and Research Center, Iran University of Medical Science Tehran, Iran
| | - Haniyeh Aghaverdi
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Seyed Mehdi Kamali Shahri
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Aliakbar Ashkarran
- Precision Health Program, Michigan State University, East Lansing, MI, United States
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Mohammad Raoufi
- Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering, University of Siegen, Siegen, Germany
| | - Holly Bauser-Heaton
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Jianyi Zhang
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, Alabama, United States
| | - Jochen D. Muehlschlegel
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Anna Moore
- Precision Health Program, Michigan State University, East Lansing, MI, United States
| | - Richard T. Lee
- Department of Stem Cell and Regenerative Biology, Harvard University, Harvard Stem Cell Institute, Cambridge, Massachusetts, United States
- Department of Medicine, Division of Cardiology, Brigham and Women’s Hospital and Harvard Medical School, Cambridge, Massachusetts, United States
| | - Joseph C. Wu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California, United States
- Department of Medicine, Division of Cardiology, Stanford University School of Medicine, Stanford, California, United States
- Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, California, United States
| | - Vahid Serpooshan
- Department of Biomedical Engineering, Georgia Institute of Technology & Emory University School of Medicine, Atlanta, Georgia, United States
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Morteza Mahmoudi
- Precision Health Program, Michigan State University, East Lansing, MI, United States
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- Connors Center for Women’s Health & Gender Biology, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States
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21
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Luo Z, Sun D, Tong Y, Zhong Y, Chen Z. DNA nanotetrahedron linked dual-aptamer based voltammetric aptasensor for cardiac troponin I using a magnetic metal-organic framework as a label. Mikrochim Acta 2019; 186:374. [PMID: 31123904 DOI: 10.1007/s00604-019-3470-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/29/2019] [Indexed: 01/06/2023]
Abstract
An ultrasensitive voltammetric aptasensor was constructed to analyze cardiac troponin I (cTnI). It is based on DNA nanotetrahedron (NTH) linked dual-aptamer (dAPT) and magnetic metal organic frameworks (mMOFs) of type Fe3O4@UiO-66. Firstly, the DNA NTH linked dAPT (Tro4 and Tro6) were immobilized on a gold electrode for improving the capture efficiency of cTnI. The novel mMOFs Fe3O4@UiO-66 was then decorated by Au@Pt nanoparticles (Au@PtNPs), horseradish peroxidase (HRP), G-quadruplex/hemin (GQH) DNAzyme, and two types of aptamers to form signaling nanoprobes. In the presence of cTnI, an aptamer-protein-nanoprobe sandwich-type structure is formed. Afterward, the nanoprobes including enzyme, GQH DNAzyme and Fe3O4@UiO-66/Au@PtNP were utilized to catalyze the oxidation of hydroquinone by hydrogen peroxide for the electrochemical signals amplification, typically at a working potential of -0.1 V (vs. Ag/AgCl). The voltammetric signal increases linearly in the 0.01 to 100 ng·mL-1 cTnI concentration range, and the detection limit is 5.7 pg·mL-1. Graphical abstract An ultrasensitive voltammetric aptasensor was constructed to analyze cardiac troponin I (cTnI) based on DNA nanotetrahedron linked dual-aptamer and magnetic metal organic frameworks of type Fe3O4@UiO-66. The results indicated the aptasensor has a wide linear response range (0.01 to 100 ng/mL) and low detection limit (5.74 pg/mL) for cTnI. GE: gold electrode; MCH: 6-Mmercapto-1-hexanol; HRP: horseradish peroxidase; HQ: hydroquinone; BQ: benzoquinone.
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Affiliation(s)
- Zibin Luo
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Duanping Sun
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China. .,Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Yanli Tong
- Department of Pharmacy, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Yongsheng Zhong
- East Campus Lab Center, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Zuanguang Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
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22
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Lee T, Ahn JH, Choi J, Lee Y, Kim JM, Park C, Jang H, Kim TH, Lee MH. Development of the Troponin Detection System Based on the Nanostructure. MICROMACHINES 2019; 10:mi10030203. [PMID: 30909423 PMCID: PMC6470505 DOI: 10.3390/mi10030203] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 03/17/2019] [Accepted: 03/17/2019] [Indexed: 12/23/2022]
Abstract
During the last 30 years, the World Health Organization (WHO) reported a gradual increase in the number of patients with cardiovascular disease (CVD), not only in developed but also in developing countries. In particular, acute myocardial infarction (AMI) is one of the severe CVDs because of the high death rate, damage to the body, and various complications. During these harmful effects, rapid diagnosis of AMI is key for saving patients with CVD in an emergency. The prompt diagnosis and proper treatment of patients with AMI are important to increase the survival rate of these patients. To treat patients with AMI quickly, detection of a CVD biomarker at an ultra-low concentration is essential. Cardiac troponins (cTNs), cardiac myoglobin (cMB), and creatine kinase MB are typical biomarkers for AMI detection. An increase in the levels of those biomarkers in blood implies damage to cardiomyocytes and thus is related to AMI progression. In particular, cTNs are regarded as a gold standard biomarker for AMI diagnosis. The conventional TN detection system for detection of AMI requires long measurement time and is labor-intensive and tedious. Therefore, the demand for sensitive and selective TN detection techniques is increasing at present. To meet this demand, several approaches and methods have been applied to develop a TN detection system based on a nanostructure. In the present review, the authors reviewed recent advances in TN biosensors with a focus on four detection systems: (1) An electrochemical (EC) TN nanobiosensor, (2) field effect transistor (FET)-based TN nanobiosensor, (3) surface plasmon resonance (SPR)-based TN nanobiosensor and (4) surface enhanced Raman spectroscopy (SERS)-based TN nanobiosensor.
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Affiliation(s)
- Taek Lee
- Department of Chemical Engineering, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 01899, Korea.
| | - Jae-Hyuk Ahn
- Department of Electronic Engineering, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 01899, Korea.
| | - Jinha Choi
- Department of Chemical and Biomolecular Engineering, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 04107, Korea.
| | - Yeonju Lee
- Department of Chemical Engineering, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 01899, Korea.
| | - Jin-Myung Kim
- Department of Chemical Engineering, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 01899, Korea.
| | - Chulhwan Park
- Department of Chemical Engineering, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 01899, Korea.
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 01899, Korea.
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-gu, Seoul 06974, Korea.
| | - Min-Ho Lee
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-gu, Seoul 06974, Korea.
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Long-Range Surface Plasmon-Polariton Waveguide Biosensors for Human Cardiac Troponin I Detection. SENSORS 2019; 19:s19030631. [PMID: 30717341 PMCID: PMC6386922 DOI: 10.3390/s19030631] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 01/25/2019] [Accepted: 01/29/2019] [Indexed: 11/17/2022]
Abstract
Straight long-range surface plasmon-polariton (LRSPP) waveguides as biosensors for label-free detection are discussed. The sensors consist of 5-μm-wide 35-nm-thick gold stripes embedded in a low-index optical-grade fluoropolymer (CYTOPTM) with fluidic channels etched to the Au surface of the stripes. This work demonstrates the application of the LRSPP biosensors for the detection of human cardiac troponin I (cTnI) protein. cTnI is a biological marker for acute myocardial infarction (AMI), often referred to as a heart attack, which can be diagnosed by elevated levels of cTnI in patient blood. Direct and sandwich assays were developed and demonstrated over the concentration range from 1 to 1000 ng/mL, yielding detection limits of 430 pg/mL for the direct assay and 28 pg/mL for the sandwich assay (1 standard deviation), the latter being physiologically relevant to the early detection or onset of AMI. In addition, a novel approach for data analysis is proposed, where the analyte response is normalized to the response of the antibody layer.
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Nezami A, Dehghani S, Nosrati R, Eskandari N, Taghdisi SM, Karimi G. Nanomaterial-based biosensors and immunosensors for quantitative determination of cardiac troponins. J Pharm Biomed Anal 2018; 159:425-436. [DOI: 10.1016/j.jpba.2018.07.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/13/2018] [Accepted: 07/17/2018] [Indexed: 01/14/2023]
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Liu D, Lu X, Yang Y, Zhai Y, Zhang J, Li L. A novel fluorescent aptasensor for the highly sensitive and selective detection of cardiac troponin I based on a graphene oxide platform. Anal Bioanal Chem 2018; 410:4285-4291. [PMID: 29725733 DOI: 10.1007/s00216-018-1076-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 03/18/2018] [Accepted: 04/11/2018] [Indexed: 01/22/2023]
Abstract
Acute myocardial infarction (AMI) is one of the leading risks to global health. Thus, the rapid, accurate early diagnosis of AMI is highly critical. Human cardiac troponin I (cTnI) has been regarded as a golden biomarker for AMI due to its excellent selectivity. In this work, a novel fluorescent aptasensor based on a graphene oxide (GO) platform was developed for the highly sensitive and selective detection of cTnI. GO binds to the fluorescent anti-cTnI aptamer and quenches its fluorescence. In the presence of cTnI, the fluorescent anti-cTnI aptamer leaves the surface of GO, combines with cTnI because of the powerful affinity of the fluorescent anti-cTnI aptamer and cTnI, and then restores the fluorescence of the fluorescent anti-cTnI aptamer. Fluorescence-enhanced detection is highly sensitive and selective to cTnI. The method exhibited good analytical performance with a reasonable dynamic linearity at the concentration range of 0.10-6.0 ng/mL and a low detection limit of 0.07 ng/mL (S/N = 3). The fluorescent aptasensor also exhibited high selectivity toward cTnI compared with other interference proteins. The proposed method may be a potentially useful tool for cTnI determination in human serum. Graphical abstract A novel fluorescent aptasensor for the highly sensitive and selective detection of cardiac troponin I based on a graphene oxide platform.
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Affiliation(s)
- Dongkui Liu
- School of Petrochemical Engineering, Changzhou University, Changzhou, 213016, Jiangsu, China
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, Zhejiang, China
| | - Xing Lu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, Zhejiang, China
| | - Yiwen Yang
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, Zhejiang, China.
| | - Yunyun Zhai
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, Zhejiang, China
| | - Jian Zhang
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, Zhejiang, China
| | - Lei Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, Zhejiang, China.
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Miao L, Zhu C, Jiao L, Li H, Du D, Lin Y, Wei Q. Smart Drug Delivery System-Inspired Enzyme-Linked Immunosorbent Assay Based on Fluorescence Resonance Energy Transfer and Allochroic Effect Induced Dual-Modal Colorimetric and Fluorescent Detection. Anal Chem 2018; 90:1976-1982. [DOI: 10.1021/acs.analchem.7b04068] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Luyang Miao
- School of Chemistry
and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Chengzhou Zhu
- School of
Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Lei Jiao
- College of Optoelectronics
Technology, Chengdu University of Information Technology, Chengdu 610225, China
| | - He Li
- College of Optoelectronics
Technology, Chengdu University of Information Technology, Chengdu 610225, China
- School of Chemistry
and Chemical Engineering, University of Jinan, Jinan 250022, China
| | - Dan Du
- School of
Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Yuehe Lin
- School of
Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Qin Wei
- School of Chemistry
and Chemical Engineering, University of Jinan, Jinan 250022, China
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High sensitivity cardiac troponin I detection in physiological environment using AlGaN/GaN High Electron Mobility Transistor (HEMT) Biosensors. Biosens Bioelectron 2017; 100:282-289. [PMID: 28942210 DOI: 10.1016/j.bios.2017.09.018] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 09/07/2017] [Accepted: 09/12/2017] [Indexed: 02/07/2023]
Abstract
In this study, we report the development of a high sensitivity assay for the detection of cardiac troponin I using electrical double layer gated high field AlGaN/GaN HEMT biosensor. The unique gating mechanism overcomes the drawback of charge screening seen in traditional FET based biosensors, allowing detection of target proteins in physiological solutions without sample processing steps. Troponin I specific antibody and aptamer are used as receptors. The tests carried out using purified protein solution and clinical serum samples depict high sensitivity, specificity and wide dynamic range (0.006-148ng/mL). No additional wash or sample pre-treatment steps are required, which greatly simplifies the biosensor system. The miniaturized HEMT chip is packaged in a polymer substrate and easily integrated with a portable measurement unit, to carry out quantitative troponin I detection in serum samples with < 2µl sample volume in 5min. The integrated prototype biosensor unit demonstrates the potential of the method as a rapid, inexpensive, high sensitivity CVD biomarker assay. The highly simplified protocols and enhanced sensor performance make our biosensor an ideal choice for point of care diagnostics and personal healthcare systems.
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Jiang H, Zhu J, Liu W, Cao F. High-sensitivity cardiac troponins I sandwich assay by immunomagnetic microparticle and quantum dots. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.flm.2017.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nanomaterials-based electrochemical immunosensors for cardiac troponin recognition: An illustrated review. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.06.015] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Kamakoti V, Panneer Selvam A, Radha Shanmugam N, Muthukumar S, Prasad S. Flexible Molybdenum Electrodes towards Designing Affinity Based Protein Biosensors. BIOSENSORS 2016; 6:E36. [PMID: 27438863 PMCID: PMC5039655 DOI: 10.3390/bios6030036] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Revised: 07/01/2016] [Accepted: 07/11/2016] [Indexed: 12/25/2022]
Abstract
Molybdenum electrode based flexible biosensor on porous polyamide substrates has been fabricated and tested for its functionality as a protein affinity based biosensor. The biosensor performance was evaluated using a key cardiac biomarker; cardiac Troponin-I (cTnI). Molybdenum is a transition metal and demonstrates electrochemical behavior upon interaction with an electrolyte. We have leveraged this property of molybdenum for designing an affinity based biosensor using electrochemical impedance spectroscopy. We have evaluated the feasibility of detection of cTnI in phosphate-buffered saline (PBS) and human serum (HS) by measuring impedance changes over a frequency window from 100 mHz to 1 MHz. Increasing changes to the measured impedance was correlated to the increased dose of cTnI molecules binding to the cTnI antibody functionalized molybdenum surface. We achieved cTnI detection limit of 10 pg/mL in PBS and 1 ng/mL in HS medium. The use of flexible substrates for designing the biosensor demonstrates promise for integration with a large-scale batch manufacturing process.
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Affiliation(s)
- Vikramshankar Kamakoti
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd., Richardson, TX 75080, USA.
| | - Anjan Panneer Selvam
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd., Richardson, TX 75080, USA.
| | - Nandhinee Radha Shanmugam
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd., Richardson, TX 75080, USA.
| | | | - Shalini Prasad
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd., Richardson, TX 75080, USA.
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32
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Affiliation(s)
- Xu Han
- Department
of Chemistry, University of Miami, 1301 Memorial Drive, Cox Science
Center, Coral Gables, Florida 33146, United States
| | - Shanghao Li
- Department
of Chemistry, University of Miami, 1301 Memorial Drive, Cox Science
Center, Coral Gables, Florida 33146, United States
| | - Zhili Peng
- Department
of Chemistry, University of Miami, 1301 Memorial Drive, Cox Science
Center, Coral Gables, Florida 33146, United States
| | - Abdelhameed M. Othman
- Department
of Chemistry, Faculty of Science at Yanbu, Taibah University, P.O. Box 344, Medina, Kingdom of Saudi Arabia
| | - Roger Leblanc
- Department
of Chemistry, University of Miami, 1301 Memorial Drive, Cox Science
Center, Coral Gables, Florida 33146, United States
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Nanocomposites of gold nanoparticles and graphene oxide towards an stable label-free electrochemical immunosensor for detection of cardiac marker troponin-I. Anal Chim Acta 2016; 909:1-8. [DOI: 10.1016/j.aca.2015.12.023] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 12/14/2015] [Accepted: 12/15/2015] [Indexed: 12/12/2022]
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Kazimierczak B, Pijanowska D, Baraniecka A, Dawgul M, Kruk J, Torbicz W. Immunosensors for human cardiac troponins and CRP, in particular amperometric cTnI immunosensor. Biocybern Biomed Eng 2016. [DOI: 10.1016/j.bbe.2015.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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35
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Clenbuterol Assay by Spectral Imaging Surface Plasmon Resonance Biosensor System. Appl Biochem Biotechnol 2015; 177:1327-37. [DOI: 10.1007/s12010-015-1817-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 08/17/2015] [Indexed: 10/23/2022]
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36
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Tuteja SK, Priyanka, Bhalla V, Deep A, Paul A, Suri CR. Graphene-gated biochip for the detection of cardiac marker Troponin I. Anal Chim Acta 2014; 809:148-54. [DOI: 10.1016/j.aca.2013.11.047] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2013] [Revised: 11/20/2013] [Accepted: 11/22/2013] [Indexed: 11/30/2022]
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37
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Kwon D, Joo J, Lee S, Jeon S. Facile and Sensitive Method for Detecting Cardiac Markers using Ubiquitous pH Meters. Anal Chem 2013; 85:12134-7. [DOI: 10.1021/ac403329w] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Donghoon Kwon
- Department
of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-794, Korea
| | - Jinmyoung Joo
- Department
of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-794, Korea
| | - Sanghee Lee
- Department
of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-794, Korea
| | - Sangmin Jeon
- Department
of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 790-794, Korea
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