1
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Raj G, Vasudev DS, Christopher S, Babulal A, Harsha P, Ram S, Tiwari M, Sauer M, Varghese R. Multifunctional siRNA/ferrocene/cyclodextrin nanoparticles for enhanced chemodynamic cancer therapy. NANOSCALE 2024; 16:3755-3763. [PMID: 38299362 DOI: 10.1039/d3nr06071c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
The therapeutic outcome of chemodynamic therapy (CDT) is greatly hindered by the presence of oxidative damage repair proteins (MTH1) inside cancer cells. These oxidative damage repair proteins detoxify the action of radicals generated by Fenton or Fenton-like reactions. Hence, it is extremely important to develop a simple strategy for the downregulation of MTH1 protein inside cancer cells along with the delivery of metal ions into cancer cells. A one-pot host-guest supramolecular approach for the codelivery of MTH1 siRNA and metal ions into a cancer cell is reported. Our approach involves the fabrication of an inclusion complex between cationic β-cyclodextrin and a ferrocene prodrug, which spontaneously undergoes amphiphilicity-driven self-assembly to form spherical nanoparticles (NPs) having a positively charged surface. The cationic surface of the NPs was then explored for the loading of MTH1 siRNA through electrostatic interactions. Using HeLa cells as a representative example, efficient uptake of the NPs, delivery of MTH1 siRNA and the enhanced CDT of the nanoformulation are demonstrated. This work highlights the potential of the supramolecular approach as a simple yet efficient method for the delivery of siRNA across the cell membrane for enhanced chemodynamic therapy.
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Affiliation(s)
- Gowtham Raj
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - D S Vasudev
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - Sarah Christopher
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - Anupama Babulal
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - P Harsha
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - Soumakanya Ram
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - Mehul Tiwari
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
| | - Markus Sauer
- Department of Biotechnology and Biophysics, Biocenter, Julius Maximilian University of Würzburg, Würzburg, Germany
| | - Reji Varghese
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-695551, Kerala, India.
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2
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Sukhavattanakul P, Pisitsak P, Ummartyotin S, Narain R. Polysaccharides for Medical Technology: Properties and Applications. Macromol Biosci 2023; 23:e2200372. [PMID: 36353915 DOI: 10.1002/mabi.202200372] [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: 09/05/2022] [Revised: 10/18/2022] [Indexed: 11/12/2022]
Abstract
Over the past decade, the use of polysaccharides has gained tremendous attention in the field of medical technology. They have been applied in various sectors such as tissue engineering, drug delivery system, face mask, and bio-sensing. This review article provides an overview and background of polysaccharides for biomedical uses. Different types of polysaccharides, for example, cellulose and its derivatives, chitin and chitosan, hyaluronic acid, alginate, and pectin are presented. They are fabricated in various forms such as hydrogels, nanoparticles, membranes, and as porous mediums. Successful development and improvement of polysaccharide-based materials will effectively help users to enhance their quality of personal health, decrease cost, and eventually increase the quality of life with respect to sustainability.
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Affiliation(s)
- Pongpat Sukhavattanakul
- Department of Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum, Thani, 12120, Thailand
| | - Penwisa Pisitsak
- Department of Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum, Thani, 12120, Thailand
| | - Sarute Ummartyotin
- Department of Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum, Thani, 12120, Thailand
| | - Ravin Narain
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, T6G1H9, Canada
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3
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Du Q, Wang W, Zeng X, Luo X. Antifouling zwitterionic peptide hydrogel based electrochemical biosensor for reliable detection of prostate specific antigen in human serum. Anal Chim Acta 2023; 1239:340674. [PMID: 36628704 DOI: 10.1016/j.aca.2022.340674] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/07/2022] [Accepted: 11/23/2022] [Indexed: 11/26/2022]
Abstract
An electrochemical biosensor based on the antifouling zwitterionic peptide hydrogel (CFEFKFC) and the poly(3,4-ethylenedioxythiophene) (PEDOT) was fabricated to accurately detect prostate specific antigen (PSA) in complex human serum. The electrode was modified with the conducting polymer PEDOT and gold nanoparticles (AuNPs) in sequence through electrodeposition, and then the designed zwitterionic peptide hydrogel prepared through self-assembly was immobilized onto the modified electrode surface via the Au-S bond. The zwitterionic peptide hydrogel with cysteine terminal is easy for immobilization onto the gold surface, and it is also suitable for the immobilization of biomolecules such as PSA antibody in this work, through the formation of covalent amide bonds. The peptide hydrogel possessed excellent antifouling property, and it was able to effectively prevent the adsorption of nonspecific proteins, cells and other biomolecules. The developed antifouling biosensor showed a linear response range from 0.1 ng mL-1 to 100 ng mL-1, with a low limit of detection down to 5.6 pg mL-1. These results encourage the wide use of zwitterionic peptide hydrogels as antifouling materials in various sensing and bio-sensing devices.
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Affiliation(s)
- Qiushu Du
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Wenqi Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Xianghua Zeng
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Xiliang Luo
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China.
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4
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Navay Baghban H, Hasanzadeh M, Liu Y, Seidi F. Efficient Entrapment of Alpha-Synuclein Biotinylated Antibody in KCC-1-NH-CS 2 and Application for the Sensitive Diagnosis of Parkinson's Using Recognition of Biomarker: An Innovative Electrochemical Label-Free Immunosensor for the Biomedical Analysis of Neurodegenerative Diseases. BIOSENSORS 2022; 12:911. [PMID: 36291047 PMCID: PMC9599316 DOI: 10.3390/bios12100911] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
The early detection of Parkinson's disease (PD) is a critical issue in terms of efficiency. Alpha-synuclein (α-Syn) is a biomarker in PD checks. Alpha-synuclein (α-syn) is the major constituent of Lewy bodies and a pathogenic hallmark of all synucleinopathies, including PDs, dementia with Lewy bodies, and multiple system atrophy. In this study, KCC-1-NH-CS2 was conjugated with biotinylated Ab and entrapped in P(β-CD) polymer cavities. Using this approach, a novel electrochemical label-free immunosensor was designed for the quantification of α-syn in real human samples. For this purpose, the glassy carbon electrode electropolymerized with P(β-CD) biopolymer provided an excellent matrix for entrapping of KCC-1-NH-CS2 loaded with the biotinylated antibody of α-syn. Using the chronoamperometric technique, the proposed immunosensor shows a suitable range of 0.02 to 64 ng/mL for the determination of α-syn. Additionally, a low limit of quantification of the engineered biosensor was obtained at 0.02 ng/mL. The developed immunosensor's adequate stability, sensitivity, and selectivity, together with its ease of manufacture, make it a promising diagnostic technique for further research. This study also will pave the way for further applications of the synergetic effect of β-CD and KCC-1-NH-CS2 for biomedical analysis in the near future.
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Affiliation(s)
- Hossein Navay Baghban
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz 5165665811, Iran
| | - Mohammad Hasanzadeh
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz 5165665811, Iran
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz 5165665811, Iran
| | - Yuqian Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Farzad Seidi
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
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5
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Hui N, Wang J, Wang D, Wang P, Luo X, Lv S. An ultrasensitive biosensor for prostate specific antigen detection in complex serum based on functional signal amplifier and designed peptides with both antifouling and recognizing capabilities. Biosens Bioelectron 2022; 200:113921. [PMID: 34973567 DOI: 10.1016/j.bios.2021.113921] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/18/2021] [Accepted: 12/24/2021] [Indexed: 12/31/2022]
Abstract
The development of biosensors capable of averting biofouling and detecting biomarkers in complex biological media remains a challenge. Herein, an ultralow fouling and highly sensitive biosensor based on specifically designed antifouling peptides and a signal amplification strategy was designed for prostate specific antigen (PSA) detection in human serum. A low fouling layer of poly(ethylene glycol) (PEG) doped the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) was electrodeposited on the electrode surface, followed by the immobilization of streptavidin and further attachment of biotin-labelled peptides. The peptide was designed to include PSA specific recognition domain (HSSKLQK) and antifouling domain (PPPPEKEKEKE), and the terminal of the peptide was functionalized with -SH group. DNA functionalized gold nanorods (DNA/AuNRs) were then attached to the electrode, and methylene blue (MB) molecules were adsorbed to the DNA to form the signal amplifier. In the presence of PSA, the peptide was specifically cleaved and resulted in the loss of AuNRs together with DNA and MB, and thus significant decrease of the current signal. The biosensor exhibited a low limit of detection (LOD) of 0.035 pg mL-1 (S/N = 3), with a wide linear range from 0.10 pg mL-1 to 10.0 ng mL-1, and it was able to detect PSA in real human serum owing to the presence of the antifouling peptides, indicating great potential of the constructed biosensor for practical application.
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Affiliation(s)
- Ni Hui
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, PR China
| | - Jiasheng Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, PR China
| | - Dongwei Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, PR China
| | - Peipei Wang
- Department of Rehabilitation Medicine, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, 266042, China
| | - Xiliang Luo
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China.
| | - Shaoping Lv
- Department of Rehabilitation Medicine, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, 266042, China.
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6
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Negahdary M, Angnes L. Electrochemical nanobiosensors equipped with peptides: a review. Mikrochim Acta 2022; 189:94. [PMID: 35132460 DOI: 10.1007/s00604-022-05184-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/12/2022] [Indexed: 12/17/2022]
Abstract
Recent research in the field of electrochemical biosensors equipped with peptides and nanomaterials have been categorized, reviewed, and critically analyzed. Indeed, using these innovative biosensors can revolutionize biomedical diagnostics in the future. Saving lives, time, and money in this field will be considered as some main benefits of this type of diagnosis. Here, these biosensors have been categorized and evaluated in four main sections. In the first section, the focus is on investigating the types of electrochemical peptide-based nanobiosensors applied to detect pathogenic microorganisms, microbial toxins, and viruses. In the second section, due to the importance of rapid diagnosis and prognosis of various cancers, the electrochemical peptide-based nanobiosensors designed to detect cancer biomarkers have been reviewed and analyzed. In the third section, the electrochemical peptide-based nanobiosensors, which were applied to detect the essential and effective biomolecules in the various diseases, and health control, including enzymes, hormones, biomarkers, and other biomolecules, have been considered. Finally, using a comprehensive analysis, all the used elements in these biosensors have been presented as conceptual diagrams that can effectively guide researchers in future developments. The essential factors in evaluating and analyzing these electrochemical peptide-based nanobiosensors such as analyte, peptide sequence, functional groups interacted between the peptide sequences and other biosensing components, the applied nanomaterials, diagnostic techniques, detection range, and limit of detection have also been included. Other analyzable items such as the type of used redox marker and the location of the peptide sequence against the signal transducer were also considered.
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Affiliation(s)
- Masoud Negahdary
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, São Paulo, 05508-000, Brazil.
| | - Lúcio Angnes
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, São Paulo, 05508-000, Brazil.
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7
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Park J, Park J, Lee J, Lim C, Lee DW. Size compatibility and concentration dependent supramolecular host-guest interactions at interfaces. Nat Commun 2022; 13:112. [PMID: 35013244 PMCID: PMC8748952 DOI: 10.1038/s41467-021-27659-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 12/03/2021] [Indexed: 11/30/2022] Open
Abstract
The quantification of supramolecular host-guest interactions is important for finely modulating supramolecular systems. Previously, most host-guest interactions quantified using force spectroscopic techniques have been reported in force units. However, accurately evaluating the adhesion energies of host-guest pairs remains challenging. Herein, using a surface forces apparatus, we directly quantify the interaction energies between cyclodextrin (CD)-modified surfaces and ditopic adamantane (DAd) molecules in water as a function of the DAd concentration and the CD cavity size. The adhesion energy of the β-CD-DAd complex drastically increased with increasing DAd concentration and reached saturation. Moreover, the molecular adhesion energy of a single host-guest inclusion complex was evaluated to be ~9.51 kBT. This approach has potential for quantifying fundamental information toward furthering the understanding of supramolecular chemistry and its applications, such as molecular actuators, underwater adhesives, and biosensors, which require precise tuning of specific host-guest interactions.
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Affiliation(s)
- Jintae Park
- School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jinwoo Park
- School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jinhoon Lee
- School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Chanoong Lim
- School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
| | - Dong Woog Lee
- School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
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8
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Ultrasensitive prostate specific antigen monitoring based on electrochemiluminescent immunesystem with synergistic signal amplification effect of resonance energy transfer coupling with K2S2O8-H2O2 dual coreactants. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115697] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Chang Z, Zhu B, Liu J, Zhu X, Xu M, Travas-Sejdic J. Electrochemical aptasensor for 17β-estradiol using disposable laser scribed graphene electrodes. Biosens Bioelectron 2021; 185:113247. [PMID: 33962157 DOI: 10.1016/j.bios.2021.113247] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/25/2021] [Accepted: 04/09/2021] [Indexed: 01/08/2023]
Abstract
17β-Estradiol (E2), the strongest of the three major physiological estrogens in females, is an important factor in the female reproductive system. The abnormal level of E2 causes health issues, such as weak bones, urinary tract infections and even depression. Here, we present a novel, sensitive and selective, electrochemical aptasensor for detection of 17β-estradiol (E2). The E2 recognition aptamer was split into two fragments: the first fragment, functionalised with adamantane, is attached to poly(β-cyclodextrin) (poly(β-CD))-modified electrode surface through host-guest interactions between the adamantane and poly(β-CD). The second fragment, labelled with gold nanoparticles, forms the stem-loop structure with the first fragment only in the presence of E2. That specific recognition process triggers the change in the electrochemical signal (a change in the peak current from reduction of AuNPs), recorded by means of differential pulse voltammetry (DPV). The feasibility of the sensing design was firstly investigated on the commercially available glass carbon electrodes (GCE), with achieved a linear detection range of 1.0 × 10-13 to 1.0 × 10-8 M and a limit of detection (LoD) 0.7 fM. The sensing methodology was then translated onto single-use, disposable, laser-scribed graphene electrodes (LSGE) on a plastic substrate. The dynamic sensing range of E2 on LSGE was found to be 1.0 × 10-13 to 1.0 × 10-9 M, with a LoD of 63.1 fM, comparable to these of GCE. The successful translation of the developed E2 aptasensor from GCE to low-cost, disposable LSGE highlights a potential of this sensing platform in commercial, portable sensing detection systems for E2 and similar targets of biological interest.
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Affiliation(s)
- Zhu Chang
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu, 476000, Henan Province, PR China
| | - Bicheng Zhu
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
| | - JinJin Liu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu, 476000, Henan Province, PR China
| | - Xu Zhu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu, 476000, Henan Province, PR China
| | - Maotian Xu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu, 476000, Henan Province, PR China
| | - Jadranka Travas-Sejdic
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, New Zealand.
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Dowlatshahi S, Abdekhodaie MJ. Electrochemical prostate-specific antigen biosensors based on electroconductive nanomaterials and polymers. Clin Chim Acta 2021; 516:111-135. [PMID: 33545110 DOI: 10.1016/j.cca.2021.01.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 01/11/2023]
Abstract
Prostate cancer (PCa), the second most malignant neoplasm in men, is also the fifth leading cause of cancer-related deaths in men globally. Unfortunately, this malignancy remains largely asymptomatic until late-stage emergence when treatment is limited due to the lack of effective metastatic PCa therapeutics. Due to these limitations, early PCa detection through prostate-specific antigen (PSA) screening has become increasingly important, resulting in a more than 50% decrease in mortality. Conventional assays for PSA detection, such as enzyme-linked immunosorbent assay (ELISA), are labor intensive, relatively expensive, operator-dependent and do not provide adequate sensitivity. Electrochemical biosensors overcome these limitations because they are rapid, cost-effective, simple to use and ultrasensitive. This article reviews electrochemical PSA biosensors using electroconductive nanomaterials such as carbon-, metal-, metal oxide- and peptide-based nanostructures, as well as polymers to significantly improve conductivity and enhance sensitivity. Challenges associated with the development of these devices are discussed thus providing additional insight into their analytic strength as well as their potential use in early PCa detection.
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Affiliation(s)
- Sayeh Dowlatshahi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Mohammad J Abdekhodaie
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran; Yeates School of Graduate Studies, Ryerson University, Toronto, Ontario, Canada.
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11
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Choi JH, Choi JW. Metal-Enhanced Fluorescence by Bifunctional Au Nanoparticles for Highly Sensitive and Simple Detection of Proteolytic Enzyme. NANO LETTERS 2020; 20:7100-7107. [PMID: 32809833 DOI: 10.1021/acs.nanolett.0c02343] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Although fluorescence-based analytical methods have been used in intracellular analyses, their sensitivity is low for the precise analysis of intracellular proteolytic enzymes to observe cell apoptosis related to cancer and neurodegenerative diseases. In this study, a metal-enhanced-fluorescence (MEF)-based highly sensitive biosensor for the detection of proteolytic enzymes is proposed for the first time by using a bifunctional Au nanoparticle (AuNP), which is connected to the fluorophore by both single-stranded DNA (ssDNA) and a peptide. Once caspase-3, a proteolytic enzyme, cuts the peptide specifically, the fluorescence signal is drastically increased because the ssDNA maintains an optimal distance for the MEF. The proposed sensing method shows the highly sensitive detection of caspase-3 based on just a simple enzymatic cleavage reaction within 1 h, and caspase-3-related preapoptotic cell detection was successfully carried out with high sensitivity. The proposed sensing method is a rapid, simple, and one-step technique for the real-time monitoring of intracellular proteolytic enzymes and can be applied to the early diagnosis of cancer and neurodegenerative diseases.
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Affiliation(s)
- Jin-Ha Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Jeong-Woo Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
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12
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Ashwin BCMA, Shanmugavelan P, Muthu Mareeswaran P. Electrochemical aspects of cyclodextrin, calixarene and cucurbituril inclusion complexes. J INCL PHENOM MACRO 2020. [DOI: 10.1007/s10847-020-01028-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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13
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Highly sensitive photoelectrochemical immunosensor based on anatase/rutile TiO2 and Bi2S3 for the zero-biased detection of PSA. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04637-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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14
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A sandwich-type ECL immunosensor based on signal amplification using a ZnO nanorods-L-cysteine-luminol nanocomposite for ultrasensitive detection of prostate specific antigen. Anal Chim Acta 2020; 1109:98-106. [DOI: 10.1016/j.aca.2020.02.056] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 02/24/2020] [Accepted: 02/26/2020] [Indexed: 02/06/2023]
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15
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Abbasy L, Mohammadzadeh A, Hasanzadeh M, Ehsani M, Mokhtarzadeh A. Biosensing of prostate specific antigen (PSA) in human plasma samples using biomacromolecule encapsulation into KCC-1-npr-NH 2: A new platform for prostate cancer detection. Int J Biol Macromol 2020; 154:584-595. [PMID: 32173432 DOI: 10.1016/j.ijbiomac.2020.03.093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 12/14/2022]
Abstract
Prostate-specific antigen (PSA) is a high molecular weight glycoprotein that is used as a marker for the diagnosis of prostate cancer and is therefore important in the medical field. In this study, a novel sandwich type immunoassay was designed based on encapsulation of biotinylated antibody into KCC-1-npr-NH2. KCC-1-npr-NH2 stabilized the stability of the primary antibody. So, encapsulated Ab1 was immobilized on the surface of glassy carbon electrode. Field emission scanning electron microscope (FE-SEM) was employed to monitor the sensor fabrication. The engineered immunosensor was used for the detection of PSA using differential pulse voltammetry (DPVs) and square wave voltammetry (SWVs) techniques. The proposed interface lead to enhancement of accessible surface area for immobilizing a high amount of anti-PSA antibody, increasing electrical conductivity, boosting stability, catalytic properties and biocompatibility. The intensity of electrochemical signals is also increased by the use of AuNPs functionalized with CysA used in secondary antibody (HRP conjugated PSA) structure. Under optimal conditions, the designed immuno-assay provide a good analytical performance for quantifying the PSA marker in the linear range of 1 to 60 μg/l.
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Affiliation(s)
- Leila Abbasy
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Biochemistry, Higher Education Institute of Rab-Rashid, Tabriz 51664, Iran
| | - Arezoo Mohammadzadeh
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hasanzadeh
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Maryam Ehsani
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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16
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Low-background electrochemical biosensor for one-step detection of base excision repair enzyme. Biosens Bioelectron 2020; 150:111865. [DOI: 10.1016/j.bios.2019.111865] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/07/2019] [Accepted: 11/08/2019] [Indexed: 11/18/2022]
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17
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Negahdary M, Sattarahmady N, Heli H. Advances in prostate specific antigen biosensors-impact of nanotechnology. Clin Chim Acta 2020; 504:43-55. [PMID: 32004532 DOI: 10.1016/j.cca.2020.01.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/25/2020] [Accepted: 01/27/2020] [Indexed: 01/01/2023]
Abstract
Prostate cancer is one of the most dangerous and deadly cancers in elderly men. Early diagnosis using prostate-specific antigen (PSA) facilitates disease detection, management and treatment. Biosensors have recently been used as sensitive, selective, inexpensive and rapid diagnostic tools for PSA detection. In this review, a variety of PSA biosensors such as aptasensors, peptisensors and immunesensors are highlighted. These use aptamers, peptides and antibodies in the biorecognition element, respectively, and can detect PSA with very high sensitivity via electrochemical, electrochemiluminescence, fluorescence and surface-enhanced Raman spectroscopy. To improve the sensitivity of most of these PSA biosensors, different nanostructured materials have played a critical role.
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Affiliation(s)
- M Negahdary
- Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - N Sattarahmady
- Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - H Heli
- Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
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18
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Zhao MH, Cui L, Zhang CY. Host–guest recognition coupled with triple signal amplification endows an electrochemiluminescent biosensor with enhanced sensitivity. Chem Commun (Camb) 2020; 56:2971-2974. [DOI: 10.1039/c9cc09999a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Host–guest recognition coupled with triple signal amplification endows an electrochemiluminescent biosensor with enhanced sensitivity for uracil DNA glycosylase assay.
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Affiliation(s)
- Min-hui Zhao
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Lin Cui
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Chun-yang Zhang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
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19
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Zhang YM, Liu YH, Liu Y. Cyclodextrin-Based Multistimuli-Responsive Supramolecular Assemblies and Their Biological Functions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1806158. [PMID: 30773709 DOI: 10.1002/adma.201806158] [Citation(s) in RCA: 189] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 01/23/2019] [Indexed: 06/09/2023]
Abstract
Cyclodextrins (CDs), which are a class of cyclic oligosaccharides extracted from the enzymatic degradation of starch, are often utilized in molecular recognition and assembly constructs, primarily via host-guest interactions in water. In this review, recent progress in CD-based supramolecular nanoassemblies that are sensitive to chemical, biological, and physical stimuli is updated and reviewed, and intriguing examples of the biological functions of these nanoassemblies are presented, including pH- and redox-responsive drug and gene delivery, enzyme-activated specific cargo release, photoswitchable morphological interconversion, microtubular aggregation, and cell-cell communication, as well as a geomagnetism-controlled nanosystem for the suppression of tumor invasion and metastasis. Moreover, future perspectives and challenges in the fabrication of intelligent CD-based biofunctional materials are also discussed at the end of this review, which is expected to promote the translational development of these nanomaterials in the biomedical field.
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Affiliation(s)
- Ying-Ming Zhang
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, China
| | - Yao-Hua Liu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, China
| | - Yu Liu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
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20
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Ye Z, Li G, Xu L, Yu Q, Yue X, Wu Y, Ye B. Peptide-conjugated hemin/G-quadruplex as a versatile probe for "signal-on" electrochemical peptide biosensor. Talanta 2019; 209:120611. [PMID: 31892093 DOI: 10.1016/j.talanta.2019.120611] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 11/28/2019] [Accepted: 12/01/2019] [Indexed: 12/20/2022]
Abstract
In this work, a novel "signal-on" electrochemical peptide biosensor based on peptide-conjugated hemin/G-quadruplex (DNAzyme-peptide) hybrid and rosebud-like MoSe2@reduced graphene oxide (MoSe2@rGO) nanocomposite, was developed for detection of prostate-specific antigen (PSA). Interestingly, the peptide not only served as recognition probe to detect PSA, but also acted as the enhancer to improve the enzyme activity of hemin/G4, which promoted the detection sensitivity. Up addition of PSA, Fe3O4-labeled DNAzyme-peptide probe was cleaved, followed by the magnetic separation. The cleaved DNAzyme-peptide was then captured onto the cysteine-modified electrode via the interaction between carboxyl groups of peptide and amino group of cysteine. A strong electrochemical signal was obtained from hemin and further was amplified by the enhanced electrocatalysis of DNAzyme-peptide. Compared to the original DNAzyme, DNAzyme-peptide exhibited more than 3-fold enhancement in signal amplification. And MoSe2@rGO amplified the electrochemical signal due to its good conductivity and large surface area. So the proposed strategy detected PSA down to 0.3 fg/mL, and it showed the advantages of simplicity, low cost by avoiding the use of expensive protein enzyme and additional electroactive species. Therefore, the proposed biosensor potentially provided a very effective tool for early diagnosis of cancer by the detection of PSA.
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Affiliation(s)
- Zhuo Ye
- The First Affiliated Hospital, Department of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Gaiping Li
- The First Affiliated Hospital, Department of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Lingling Xu
- The First Affiliated Hospital, Department of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Qian Yu
- The First Affiliated Hospital, Department of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiaoyue Yue
- College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450001, China
| | - Yongmei Wu
- College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450001, China.
| | - Baoxian Ye
- The First Affiliated Hospital, Department of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.
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21
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Yuan Z, Chen J, Wen Y, Zhang C, Zhou Y, Yang Z, Yu C. A trimetallic CuAuPd nanowire as a multifunctional nanocomposites applied to ultrasensitive electrochemical detection of Sema3E. Biosens Bioelectron 2019; 145:111677. [DOI: 10.1016/j.bios.2019.111677] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 11/29/2022]
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22
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Ultrasensitive electrochemical sensor for prostate specific antigen detection with a phosphorene platform and magnetic covalent organic framework signal amplifier. Biosens Bioelectron 2019; 144:111691. [DOI: 10.1016/j.bios.2019.111691] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 09/05/2019] [Accepted: 09/06/2019] [Indexed: 01/06/2023]
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23
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Facile synthesis of metal @ carbon sphere/graphene film electrodes with enhanced energy density for flexible asymmetric all-solid-state supercapacitors. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Zhou X, Qian X, Tan X, Ran X, Li Z, Huang Z, Yang L, Xie X. Water-soluble pillar[6]arene functionalized PdPt porous core-shell octahedral nanodendrites to construct highly sensitive and robust neuron-specific enolase immunosensor by host-guest chemistry assisted catalytic amplification. Anal Chim Acta 2019; 1068:18-27. [DOI: 10.1016/j.aca.2019.04.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 04/02/2019] [Accepted: 04/09/2019] [Indexed: 12/18/2022]
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25
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Heiat M, Negahdary M. Sensitive diagnosis of alpha-fetoprotein by a label free nanoaptasensor designed by modified Au electrode with spindle-shaped gold nanostructure. Microchem J 2019. [DOI: 10.1016/j.microc.2019.05.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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26
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Yang X, Niu X, Mo Z, Liu N, Guo R, Zhao P, Liu Z, Ouyang M. The Synthesis of Chitosan Decorated Reduced Graphene Oxide‐Ferrocene Nanocomposite and its Application in Electrochemical Detection Rhodamine B. ELECTROANAL 2019. [DOI: 10.1002/elan.201800880] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xing Yang
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Xiaohui Niu
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Zunli Mo
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Nijuan Liu
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Ruibin Guo
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Pan Zhao
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Zhenyu Liu
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
| | - Meixuan Ouyang
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou 730070 China
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27
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Dolui P, Hazra S, Deb M, Elias AJ. Picolinamide Assisted Oxidation of CH2 Groups Bound to Organic and Organometallic Compounds Using Ferrocene as a Catalyst. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pritam Dolui
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Susanta Hazra
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Mayukh Deb
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Anil J. Elias
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
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28
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Bayat P, Gatineau D, Lesage D, Robert V, Martinez A, Cole RB. Investigation of Hemicryptophane Host-Guest Binding Energies Using High-Pressure Collision-Induced Dissociation in Combination with RRKM Modeling. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:509-518. [PMID: 30478817 DOI: 10.1007/s13361-018-2109-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/20/2018] [Accepted: 11/06/2018] [Indexed: 06/09/2023]
Abstract
In advancing host-guest (H-G) chemistry, considerable effort has been spent to synthesize host molecules with specific and well-defined molecular recognition characteristics including selectivity and adjustable affinity. An important step in the process is the characterization of binding strengths of the H-G complexes that is typically performed in solution using NMR or fluorescence. Here, we present a mass spectrometry-based multimodal approach to obtain critical energies of dissociation for two hemicryptophane cages with three biologically relevant guest molecules. A combination of blackbody infrared radiative dissociation (BIRD) and high-pressure collision-induced dissociation (high-pressure CID), along with RRKM modeling, was employed for this purpose. For the two tested hemicryptophane hosts, the cage containing naphthyl linkages exhibited stronger interactions than the cage bearing phenyl linkages. For both cages, the order of guest stability is choline > acetylcholine > betaine. The information obtained by these types of mass spectrometric studies can provide new insight into the structural features that most influence the stability of H-G pairs, thereby providing guidance for future syntheses. Graphical Abstract.
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Affiliation(s)
- Parisa Bayat
- CNRS, Institut Parisien de Chimie Moléculaire, IPCM, Sorbonne Université, 75252 Cedex 05, Paris, France
| | - David Gatineau
- CNRS, Institut Parisien de Chimie Moléculaire, IPCM, Sorbonne Université, 75252 Cedex 05, Paris, France
- CNRS, UMR 5250, DCM, University of Grenoble Alpes, Grenoble, France
| | - Denis Lesage
- CNRS, Institut Parisien de Chimie Moléculaire, IPCM, Sorbonne Université, 75252 Cedex 05, Paris, France
| | - Vincent Robert
- Laboratoire de Chimie Quantique, Université de Strasbourg, 1, rue Blaise Pascal, 67008, Strasbourg, France
| | - Alexandre Martinez
- UMR CNRS 7313-iSm2, Equipe Chirosciences, Aix Marseille Université, Av. Escadrille Normandie-Niemen, 13397, Marseille, France
| | - Richard B Cole
- CNRS, Institut Parisien de Chimie Moléculaire, IPCM, Sorbonne Université, 75252 Cedex 05, Paris, France.
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29
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Yazdani Z, Yadegari H, Heli H. A molecularly imprinted electrochemical nanobiosensor for prostate specific antigen determination. Anal Biochem 2019; 566:116-125. [DOI: 10.1016/j.ab.2018.11.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 10/31/2018] [Accepted: 11/21/2018] [Indexed: 11/30/2022]
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30
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Hou X, Liu X, Li Z, Zhang J, Du G, Ran X, Yang L. Electrochemical determination of methyl parathion based on pillar[5]arene@AuNPs@reduced graphene oxide hybrid nanomaterials. NEW J CHEM 2019. [DOI: 10.1039/c9nj02901j] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The detection of pesticides has become a very important and critical research area because of the rapid development of agriculture and strict environmental protection regulations.
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Affiliation(s)
- Xiaoqian Hou
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains
- Ministry of Education
- Southwest Forestry University
- Kunming
- China
| | - Xuwen Liu
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains
- Ministry of Education
- Southwest Forestry University
- Kunming
- China
| | - Zhi Li
- School of Materials Science and Engineering
- School of Chemical Engineering
- Southwest Forestry University
- Kunming
- China
| | - Jun Zhang
- School of Materials Science and Engineering
- School of Chemical Engineering
- Southwest Forestry University
- Kunming
- China
| | - Guanben Du
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains
- Ministry of Education
- Southwest Forestry University
- Kunming
- China
| | - Xin Ran
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains
- Ministry of Education
- Southwest Forestry University
- Kunming
- China
| | - Long Yang
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains
- Ministry of Education
- Southwest Forestry University
- Kunming
- China
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31
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Wang Y, Chen L, Wu Q, Wen Z, Ren Y, Wang M. An acid-responsive all-in-one signal amplification strategy for the ultrasensitive prostate-specific antigen detection. NEW J CHEM 2019. [DOI: 10.1039/c9nj03510a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A one-pot strategy for the preparation of all-in-one signal tags for the colorimetric immunoassay of prostate-specific antigen.
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Affiliation(s)
- Yan Wang
- Department of Medical Imaging
- Henan Provincial People's Hospital
- Henan Key Laboratory of Neurological Imaging
- Zhengzhou University People's Hospital
- Henan University People's Hospital
| | - Lijuan Chen
- Department of Medical Imaging
- Henan Provincial People's Hospital
- Henan Key Laboratory of Neurological Imaging
- Zhengzhou University People's Hospital
- Henan University People's Hospital
| | - Qingxia Wu
- Department of Medical Imaging
- Henan Provincial People's Hospital
- Henan Key Laboratory of Neurological Imaging
- Zhengzhou University People's Hospital
- Henan University People's Hospital
| | - Zejun Wen
- Department of Medical Imaging
- Henan Provincial People's Hospital
- Henan Key Laboratory of Neurological Imaging
- Zhengzhou University People's Hospital
- Henan University People's Hospital
| | - Yujing Ren
- Department of Medical Imaging
- Henan Provincial People's Hospital
- Henan Key Laboratory of Neurological Imaging
- Zhengzhou University People's Hospital
- Henan University People's Hospital
| | - Meiyun Wang
- Department of Medical Imaging
- Henan Provincial People's Hospital
- Henan Key Laboratory of Neurological Imaging
- Zhengzhou University People's Hospital
- Henan University People's Hospital
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32
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33
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Zhou X, Yang L, Tan X, Zhao G, Xie X, Du G. A robust electrochemical immunosensor based on hydroxyl pillar[5]arene@AuNPs@g-C3N4 hybrid nanomaterial for ultrasensitive detection of prostate specific antigen. Biosens Bioelectron 2018; 112:31-39. [DOI: 10.1016/j.bios.2018.04.036] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 04/14/2018] [Accepted: 04/16/2018] [Indexed: 12/14/2022]
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34
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Shelley H, Babu RJ. Role of Cyclodextrins in Nanoparticle-Based Drug Delivery Systems. J Pharm Sci 2018; 107:1741-1753. [DOI: 10.1016/j.xphs.2018.03.021] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 03/14/2018] [Accepted: 03/16/2018] [Indexed: 12/19/2022]
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35
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Niu X, Mo Z, Yang X, Sun M, Zhao P, Li Z, Ouyang M, Liu Z, Gao H, Guo R, Liu N. Advances in the use of functional composites of β-cyclodextrin in electrochemical sensors. Mikrochim Acta 2018; 185:328. [DOI: 10.1007/s00604-018-2859-6] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Accepted: 06/01/2018] [Indexed: 12/20/2022]
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36
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Toehold-mediated strand displacement reaction triggered by nicked DNAzymes substrate for amplified electrochemical detection of lead ion. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.04.083] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Spatial-resolved dual-signal-output electrochemiluminescent ratiometric strategy for accurate and sensitive immunoassay. Biosens Bioelectron 2018; 102:525-530. [DOI: 10.1016/j.bios.2017.11.067] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/20/2017] [Accepted: 11/27/2017] [Indexed: 12/30/2022]
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38
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Yu Q, Wu Y, Liu Z, Lei S, Li G, Ye B. Novel electrochemical biosensor based on cationic peptide modified hemin/G-quadruples enhanced peroxidase-like activity. Biosens Bioelectron 2018; 107:178-183. [PMID: 29455028 DOI: 10.1016/j.bios.2018.02.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 02/02/2018] [Accepted: 02/02/2018] [Indexed: 12/21/2022]
Abstract
This work designed an artificial substrate peptide to synthesize peptide-hemin/G-quadruplex (peptide-DNAzyme) conjugates. In addition to enhancing catalytic activity of hemin/G-quadruplex, the peptide could also be induced and cleaved by prostate specific antigen (PSA). It was the first report on peptide-DNAzyme conjugates in application of the peptide biosensor. The polyethyleneimine-reduced graphene oxide@hollow platinum nanotubes (PEI-rGO@PtNTs) nanocomposites were cast on the glassy carbon electrode in order to form the interface of biocompatibility and huge surface area for bioprobes immobilization. In absence of PSA, the peptide-DNAzyme conjugates retained intact on the surface of the electrode to produce a strong response signal. But in presence of PSA, the peptide-DNAzyme conjugates were destroyed to release electron mediators, resulting in dramatical decrease of the electrochemicl signal. Therefore, the method had high sensitivity and super selectivity with the limit of detection calculated as 2.0 fg/mL. Furthermore, the strategy would be promising to apply for other proteases by transforming the synthetic peptide module of target.
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Affiliation(s)
- Qian Yu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yongmei Wu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Zi Liu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, PR China
| | - Sheng Lei
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, PR China
| | - Gaiping Li
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, PR China
| | - Baoxian Ye
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, PR China.
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39
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Recent advances in design of electrochemical affinity biosensors for low level detection of cancer protein biomarkers using nanomaterial-assisted signal enhancement strategies. J Pharm Biomed Anal 2018; 147:185-210. [DOI: 10.1016/j.jpba.2017.07.042] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 07/28/2017] [Accepted: 07/29/2017] [Indexed: 12/12/2022]
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40
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Deb M, Hazra S, Gupta A, Elias AJ. Synthesis of unsymmetrical multi-aroyl derivatives of ferrocene using palladium catalysed oxidative C–H aroylation. Dalton Trans 2018; 47:7229-7236. [DOI: 10.1039/c8dt01147h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Palladium catalysed oxidative C–H aroylation of ferrocene: accessing the multi-aroyl derivatives of ferrocene.
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Affiliation(s)
- Mayukh Deb
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi-110016
- India
| | - Susanta Hazra
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi-110016
- India
| | - Ajay Gupta
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi-110016
- India
| | - Anil J. Elias
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi-110016
- India
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Converting pyrophosphate generated during loop mediated isothermal amplification to ATP: Application to electrochemical detection of Nosema bombycis genomic DNA PTP1. Biosens Bioelectron 2017; 102:518-524. [PMID: 29202437 DOI: 10.1016/j.bios.2017.11.066] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/21/2017] [Accepted: 11/24/2017] [Indexed: 02/08/2023]
Abstract
Traditionally, genomic DNA detection is relay on a rigorous DNA amplification process, which always accompanied with complicated gel electrophoresis or expensive fluorescence detection methods. In this work, we have translated genomic DNA detection into adenosine triphosphate (ATP) test based on a split aptamer-based electrochemical sandwich assay. The key characteristic of our method are list as follows: first, nucleic acid amplification of the target gene was performed by the use of a loop mediated isothermal amplification (LAMP) process. The pyrophosphate (PPi), which released as the byproduct during the LAMP reaction, were further converted into ATP in the presence of adenosine 5'-phosphosulfate (APS) and ATP sulfurylase. Thereafter, the converted ATP was detected by constructing an electrochemical sandwich aptasensor. With such design, the conversion from the difficult detecting target (genomic DNA) into a convenient measured object (ATP) has been achieved. This proposed strategy was highly sensitive for Nosema bombycis genomic DNA PTP1 detection with a detection limit as low as 0.47 fg/μL and a linear range from 0.001pg/μL to 50ng/μL. And we supposed that this novel target conversion electroanalytical strategy established a universal approach for quantitative analysis of any other kinds of nucleic acid in assistance of nucleic acid polymerization reaction.
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Tang Z, Ma Z. Multiple functional strategies for amplifying sensitivity of amperometric immunoassay for tumor markers: A review. Biosens Bioelectron 2017; 98:100-112. [DOI: 10.1016/j.bios.2017.06.041] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/16/2017] [Accepted: 06/19/2017] [Indexed: 02/07/2023]
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Sattar M, Kumar S. Palladium-Catalyzed Removable 8-Aminoquinoline Assisted Chemo- and Regioselective Oxidative sp 2-C-H/sp 3-C-H Cross-Coupling of Ferrocene with Toluene Derivatives. Org Lett 2017; 19:5960-5963. [PMID: 29068228 DOI: 10.1021/acs.orglett.7b02968] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The coupling of the C(sp2)-H bond of ferrocene with toluene avoiding in situ functionalization of both coupling partners has been achieved using palladium and iron dual catalysis. This cross oxidative coupling features regioselectivity to primary and secondary C(sp3)-H bonds and chemoselectivity toward the -C(sp3)-H over C-I bond of toluene with gram-scale production. It seems Fe(II) catalyst not only stabilizes the generated benzyl radical but also tames its oxidizing behavior, and consequently transfers it to the palladacycle for C-C coupling.
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Affiliation(s)
- Moh Sattar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal , Bhopal Bypass Road, Bhauri Bhopal, Madhya Pradesh 462066, India
| | - Sangit Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal , Bhopal Bypass Road, Bhauri Bhopal, Madhya Pradesh 462066, India
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Sattarahmady N, Rahi A, Heli H. A signal-on built in-marker electrochemical aptasensor for human prostate-specific antigen based on a hairbrush-like gold nanostructure. Sci Rep 2017; 7:11238. [PMID: 28894225 PMCID: PMC5593896 DOI: 10.1038/s41598-017-11680-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 08/29/2017] [Indexed: 01/15/2023] Open
Abstract
A green electrodeposition method was firstly employed for the synthesis of round hairbrush-like gold nanostructure in the presence of cadaverine as a size and shape directing additive. The nanostructure which comprised of arrays of nanospindles was then applied as a transducer to fabricate a signal-on built in-marker electrochemical aptasensor for the detection of human prostate-specific antigen (PSA). The aptasensor detected PSA with a linear concentration range of 0.125 to 128 ng mL-1 and a limit of detection of 50 pg mL-1. The aptasensor was then successfully applied to detect PSA in the blood serum samples of healthy and patient persons.
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Affiliation(s)
- Naghmeh Sattarahmady
- Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amid Rahi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Heli
- Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
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Tang Z, Fu Y, Ma Z. Bovine serum albumin as an effective sensitivity enhancer for peptide-based amperometric biosensor for ultrasensitive detection of prostate specific antigen. Biosens Bioelectron 2017; 94:394-399. [DOI: 10.1016/j.bios.2017.03.030] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/13/2017] [Accepted: 03/14/2017] [Indexed: 11/27/2022]
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Damborska D, Bertok T, Dosekova E, Holazova A, Lorencova L, Kasak P, Tkac J. Nanomaterial-based biosensors for detection of prostate specific antigen. Mikrochim Acta 2017; 184:3049-3067. [PMID: 29109592 PMCID: PMC5669453 DOI: 10.1007/s00604-017-2410-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Screening serum for the presence of prostate specific antigen (PSA) belongs to the most common approach for the detection of prostate cancer. This review (with 156 refs.) addresses recent developments in PSA detection based on the use of various kinds of nanomaterials. It starts with an introduction into the field, the significance of testing for PSA, and on current limitations. A first main section treats electrochemical biosensors for PSA, with subsections on methods based on the use of gold electrodes, graphene or graphene-oxide, carbon nanotubes, hybrid nanoparticles, and other types of nanoparticles. It also covers electrochemical methods based on the enzyme-like activity of PSA, on DNA-, aptamer- and biofuel cell-based methods, and on the detection of PSA via its glycan part. The next main section covers optical biosensors, with subsections on methods making use of surface plasmon resonance (SPR), localized SPR and plasmonic ELISA-like schemes. This is followed by subsections on methods based on the use of fiber optics, fluorescence, chemiluminescence, Raman scattering and SERS, electrochemiluminescence and cantilever-based methods. The most sensitive biosensors are the electrochemical ones, with lowest limits of detection (down to attomolar concentrations), followed by mass cantilever sensing and electrochemilumenescent strategies. Optical biosensors show lower performance, but are still more sensitive compared to standard ELISA. The most commonly applied nanomaterials are metal and carbon-based ones and their hybrid composites used for different amplification strategies. The most attractive sensing schemes are summarized in a Table. The review ends with a section on conclusions and perspectives.
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Affiliation(s)
- Dominika Damborska
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 38 Bratislava, Slovakia
| | - Tomas Bertok
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 38 Bratislava, Slovakia
| | - Erika Dosekova
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 38 Bratislava, Slovakia
| | - Alena Holazova
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 38 Bratislava, Slovakia
| | - Lenka Lorencova
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 38 Bratislava, Slovakia
| | - Peter Kasak
- Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Jan Tkac
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 38 Bratislava, Slovakia
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Zhu G, Qian J, Sun H, Wu X, Wang K, Yi Y. Voltammetric determination of o-chlorophenol using β-cyclodextrin/graphene nanoribbon hybrids modified electrode. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Jin H, Gui R, Yu J, Lv W, Wang Z. Fabrication strategies, sensing modes and analytical applications of ratiometric electrochemical biosensors. Biosens Bioelectron 2017; 91:523-537. [DOI: 10.1016/j.bios.2017.01.011] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 01/05/2017] [Accepted: 01/06/2017] [Indexed: 12/26/2022]
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49
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Hazra S, Deb M, Singh J, Elias AJ. Picolinamide as a Directing Group on Metal Sandwich Compounds: sp2 C–H Bond Activation and sp3 C–H Bond Oxidation. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00143] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Susanta Hazra
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Mayukh Deb
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Jatinder Singh
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Anil J. Elias
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
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Zhang Z, Ji H, Song Y, Zhang S, Wang M, Jia C, Tian JY, He L, Zhang X, Liu CS. Fe(III)-based metal-organic framework-derived core-shell nanostructure: Sensitive electrochemical platform for high trace determination of heavy metal ions. Biosens Bioelectron 2017; 94:358-364. [PMID: 28319903 DOI: 10.1016/j.bios.2017.03.014] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 02/11/2017] [Accepted: 03/06/2017] [Indexed: 12/22/2022]
Abstract
A new core-shell nanostructured composite composed of Fe(III)-based metal-organic framework (Fe-MOF) and mesoporous Fe3O4@C nanocapsules (denoted as Fe-MOF@mFe3O4@mC) was synthesized and developed as a platform for determining trace heavy metal ions in aqueous solution. Herein, the mFe3O4@mC nanocapsules were prepared by calcining the hollow Fe3O4@C that was obtained using the SiO2 nanoparticles as the template, followed by composing the Fe-MOF. The Fe-MOF@mFe3O4@mC nanocomposite demonstrated excellent electrochemical activity, water stability and high specific surface area, consequently resulting in the strong biobinding with heavy-metal-ion-targeted aptamer strands. Furthermore, by combining the conformational transition interaction, which is caused by the formation of the G-quadruplex between a single-stranded aptamer and high adsorbed amounts of heavy metal ions, the developed aptasensor exhibited a good linear relationship with the logarithm of heavy metal ion (Pb2+ and As3+) concentration over the broad range from 0.01 to 10.0nM. The detection limits were estimated to be 2.27 and 6.73 pM toward detecting Pb2+ and As3+, respectively. The proposed aptasensor showed good regenerability, excellent selectivity, and acceptable reproducibility, suggesting promising applications in environment monitoring and biomedical fields.
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Affiliation(s)
- Zhihong Zhang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Hongfei Ji
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Yingpan Song
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Shuai Zhang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Minghua Wang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Changchang Jia
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Jia-Yue Tian
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Linghao He
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Xiaojing Zhang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
| | - Chun-Sen Liu
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, Henan 450001, PR China.
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