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Jin S, Chen H, Pan K, Li R, Ma X, Yuan R, Meng X, He H. State-of-the-art electrochemical biosensors based on covalent organic frameworks and their hybrid materials. Talanta 2024; 270:125557. [PMID: 38128284 DOI: 10.1016/j.talanta.2023.125557] [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: 10/19/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023]
Abstract
As the development of global population and industry civilization, the accurate and sensitive detection of intended analytes is becoming an important and great challenge in the field of environmental, medical, and public safety. Recently, electrochemical biosensors have been constructed and used in sensing fields, such as antibiotics, pesticides, specific markers of cancer, and so on. Functional materials have been designed and prepared to enhance detection performance. Among all reported materials, covalent organic frameworks (COFs) are emerging as porous crystalline materials to construct electrochemical biosensors, because COFs have many unique advantages, including large surface area, high stability, atom-level designability, and diversity, to achieve a far better sensing performance. In this comprehensive review, we not only summarize state-of-the-art electrochemical biosensors based on COFs and their hybrid materials but also highlight and discuss some typical examples in detail. We finally provide the challenge and future perspective of COFs-based electrochemical biosensors.
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Affiliation(s)
- Shi Jin
- Department of Basic Science, Jilin Jianzhu University, Changchun, 130118, PR China
| | - Hongxu Chen
- College of Material and Textile Engineering, Jiaxing University, Jiaxing, 314001, PR China.
| | - Kexuan Pan
- College of Material and Textile Engineering, Jiaxing University, Jiaxing, 314001, PR China
| | - Ruyu Li
- Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, PR China
| | - Xingyu Ma
- Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, PR China
| | - Rongrong Yuan
- Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, PR China.
| | - Xianshu Meng
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Tianjin Normal University, Tianjin, 300387, PR China
| | - Hongming He
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Tianjin Normal University, Tianjin, 300387, PR China.
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Yılmaz D, Muslu T, Parlar A, Kurt H, Yüce M. SELEX against whole-cell bacteria resulted in lipopolysaccharide binding aptamers. J Biotechnol 2022; 354:10-20. [PMID: 35700936 DOI: 10.1016/j.jbiotec.2022.06.001] [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: 02/16/2022] [Revised: 05/11/2022] [Accepted: 06/06/2022] [Indexed: 11/18/2022]
Abstract
Nucleic acid aptamers are target-specific oligonucleotides selected from combinatorial libraries through an iterative in vitro screening process known as Systemic Evolution of Ligands by Exponential Enrichment (SELEX). In this report, the selection of bacteria differentiating ssDNA aptamer candidates from a combinatorial library through the whole-cell SELEX method was performed. The enriched SELEX pool was sequenced using Illumina Next-Generation Sequencing (NGS) technology and analyzed for the most abundant sequences using CLC Genomics Workbench. The sequencing data resulted in several oligonucleotide families from which three individual sequences were chosen per SELEX based on the copy numbers. The binding performance of the selected aptamers was assessed by flow cytometry and fluorescence spectroscopy, and the binding constants were estimated using binding saturation curves. Varying results were obtained from two independent SELEX procedures where the SELEX against the model gram-negative bacterium Escherichia coli provided more selective sequences while the SELEX library used against gram-positive bacterium Listeria monocytogenes did not evolve as expected. The sequences that emerged from E. coli SELEX were shown to bind Lipopolysaccharide residues (LPS) and inhibit LPS-induced macrophage polarization. Thus, it can be said that, performed whole-cell SELEX could be resulted as the selection of aptamers which can bind LPS and inhibit LPS induced inflammation response and thus can be candidates for the inhibition of bacterial infections. In future studies, the selected aptamer sequences could be structurally and chemically modified and exploited as potential diagnostic tools and therapeutic agents as LPS antagonists.
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Affiliation(s)
- Deniz Yılmaz
- Sabanci University SUNUM Nanotechnology Research and Application Centre, Tuzla 34956, Istanbul, Turkey
| | - Tuğdem Muslu
- Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla 34956, Istanbul, Turkey
| | - Ayhan Parlar
- Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla 34956, Istanbul, Turkey
| | - Hasan Kurt
- School of Engineering and Natural Sciences, Istanbul Medipol University, Beykoz, 34810 Istanbul, Turkey; Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, Beykoz, 34810 Istanbul, Turkey; Nanosolar Plasmonics Ltd., Gebze, 41400 Kocaeli, Turkey
| | - Meral Yüce
- Sabanci University SUNUM Nanotechnology Research and Application Centre, Tuzla 34956, Istanbul, Turkey.
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Pundir M, Papagerakis S, De Rosa MC, Chronis N, Kurabayashi K, Abdulmawjood S, Prince MEP, Lobanova L, Chen X, Papagerakis P. Emerging biotechnologies for evaluating disruption of stress, sleep, and circadian rhythm mechanism using aptamer-based detection of salivary biomarkers. Biotechnol Adv 2022; 59:107961. [DOI: 10.1016/j.biotechadv.2022.107961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/30/2022] [Accepted: 04/09/2022] [Indexed: 12/26/2022]
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Bilibana MP, Citartan M, Fuku X, Jijana AN, Mathumba P, Iwuoha E. Aptamers functionalized hybrid nanomaterials for algal toxins detection and decontamination in aquatic system: Current progress, opportunities, and challenges. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 232:113249. [PMID: 35104779 DOI: 10.1016/j.ecoenv.2022.113249] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 01/18/2022] [Accepted: 01/24/2022] [Indexed: 06/14/2023]
Abstract
Purification and detection of algal toxins is the most effective technique to ensure that people have clean and safe drinking water. To achieve these objectives, various state-of-the-art technologies were designed and fabricated to decontaminate and detect algal toxins in aquatic environments. Amongst these technologies, aptamer-functionalized hybrid nanomaterials conjugates have received significant consideration as a result of their several benefits over other methods, such as good controllable selectivity, low immunogenicity, and biocompatibility. Because of their excellent properties, aptamer-functionalized hybrid nanomaterials conjugates are one of several remarkable agents. Several isolated aptamer sequences for algal toxins are addressed in this review, as well as aptasensor and decontamination aptamer functionalized metal nanoparticle-derived hybrid nanocomposites applications. In addition, we present diverse aptamer-functionalized hybrid nanomaterial conjugates designs and their applications for sensing and decontamination.
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Affiliation(s)
- Mawethu Pascoe Bilibana
- Department of Chemistry, School of Physical and Chemical Sciences, Faculty of Natural and Agricultural Sciences, Mafikeng Campus, North-West University, Private Bag X2046, Mmabatho 2735, South Africa; Material Science Innovation and Modelling (MaSIM) Research Focus Area, Faculty of Natural and Agricultural Sciences, Mafikeng Campus, North-West University, Private Bag X2046, Mmabatho 2735, South Africa.
| | - Marimuthu Citartan
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas 13200, Pulau Pinang, Malaysia
| | - Xolile Fuku
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Florida Campus, College of Science, Engineering and Technology, University of South Africa, Johannesburg 1710, South Africa
| | - Abongile Nwabisa Jijana
- National Innovation Centre, Advanced Material Division, Mintek, 200 Malibongwe Drive, Private Bag x 3015, Johannesburg, Gauteng, South Africa
| | - Penny Mathumba
- National Innovation Centre, Advanced Material Division, Mintek, 200 Malibongwe Drive, Private Bag x 3015, Johannesburg, Gauteng, South Africa
| | - Emmanuel Iwuoha
- SensorLab (University of Western Cape Sensor Laboratories), Chemical Sciences Building, University of the Western Cape, Bellville, 7535 Cape Town, South Africa
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Development of an optimization pipeline of asymmetric PCR towards the generation of DNA aptamers: a guide for beginners. World J Microbiol Biotechnol 2022; 38:31. [PMID: 34989899 DOI: 10.1007/s11274-021-03209-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/11/2021] [Indexed: 01/08/2023]
Abstract
Asymmetric PCR is one of the most utilized strategies in ssDNA generation towards DNA aptamer generation due to its low cost, robustness and the low amount of starting template. Despite its advantages, careful optimization of the asymmetric PCR is still warranted to optimize the yield of ssDNA. In this present study, we have developed an extensive optimization pipeline that involves the optimization of symmetric PCR initially followed by the optimization of asymmetric PCR. In the asymmetric PCR, optimization of primer amounts/ratios, PCR cycles, annealing temperatures, template concentrations, Mg2+/dNTP concentrations and the amounts of Taq Polymerase was carried out. To further boost the generation of ssDNA, we have also integrated an additional single-stranded DNA generation method, either via lambda exonuclease or biotin-streptavidin-based separation into the optimization pipeline to further improve the yield of ssDNA generation. We have acquired 700 ± 11.3 and 820 ± 19.2 nM for A-PCR-lambda exonuclease and A-PCR-biotin-streptavidin-based separation, respectively. We urge to develop a separate optimization pipeline of asymmetric PCR for each different randomized ssDNA library before embarking on any SELEX studies.
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Romero-Reyes MA, Heemstra JM. Sequestration and Removal of Multiple Small-Molecule Contaminants Using an Optimized Aptamer-Based Ultrafiltration System. Bioconjug Chem 2021; 32:2043-2051. [PMID: 34478279 DOI: 10.1021/acs.bioconjchem.1c00344] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Small-molecule toxins pose a significant threat to human health and the environment, and their removal is made challenging by their low molecular weight. Aptamers show promise as affinity reagents for binding these toxins, and recently, aptamers have been utilized for both sensing and remediation applications. We found that functionalization of ultrafiltration membranes with aptamers provides a convenient scaffold for toxin sequestration, but our initial efforts in this area were limited by low functionalization efficiencies and the ability to only capture a single target molecule. Herein, we describe detailed optimization of our aptamer-functionalized ultrafiltration membrane system and subsequent use for simultaneous removal of multiple small-molecule toxins. We examine multiple critical components involved in fabricating and functionalizing the membranes, including PEG polymer molecular weight for membrane fabrication, grafting conditions for pMAA attachment, and coupling reagents for aptamer functionalization. This screening enabled us to identify a set of unique conditions in which we were able to achieve high flux, near quantitative yield for DNA attachment, and effective overall depletion of both toxins and bacterial cells. Furthermore, we demonstrate the attachment of multiple aptamers and subsequent parallel removal of atrazine, bisphenol A, and microcystin-LR in a complex lake water matrix. Our rigorous evaluation resulted in depletion of multiple small-molecule toxins, contaminants, and microorganisms, demonstrating the potential of aptamer-functionalized membranes as point-of-use decontamination systems.
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Affiliation(s)
| | - Jennifer M Heemstra
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
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Citartan M. Aptamers as the powerhouse of dot blot assays. Talanta 2021; 232:122436. [PMID: 34074421 DOI: 10.1016/j.talanta.2021.122436] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/21/2022]
Abstract
Dot blot assays have always been associated with antibodies as the main molecular recognition element, which are widely employed in a myriad of diagnostic applications. With the rising of aptamers as the equivalent molecular recognition elements of antibodies, dot blot assays are also one of the diagnostic avenues that should be scrutinized for their amenability with aptamers as the potential surrogates of antibodies. In this review, the stepwise procedures of an aptamer-based dot blot assays are underscored before reviewing the existing aptamer-based dot blot assays developed so far. Most of the applications center on monitoring the progress of SELEX and as the validatory assays to assess the potency of aptamer candidates. For the purpose of diagnostics, the current effort is still languid and as such possible suggestions to galvanize the move to spur the aptamer-based dot blot assays to a point-of-care arena are discussed.
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Affiliation(s)
- Marimuthu Citartan
- Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200, Kepala Batas, Penang, Malaysia.
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Impedimetric Microcystin-LR Aptasensor Prepared with Sulfonated Poly(2,5-dimethoxyaniline)–Silver Nanocomposite. Processes (Basel) 2021. [DOI: 10.3390/pr9010179] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
This paper presents a novel impedimetric aptasensor for cyanobacterial microcystin-LR (L, l-leucine; R, l-arginine) (MC-LR) containing a 5′ thiolated 60-mer DNA aptamer (i.e., 5′-SH-(CH2)6GGCGCCAAACAGGACCACCATGACAATTACCCATACCACCTCATTATGCCCCATCT CCGC-3′). A nanocomposite electrode platform comprising biocompatible poly(2,5-dimethoxyaniline) (PDMA)-poly(vinylsulfonate) (PVS) and silver nanoparticle (Ag0) on a glassy carbon electrode (GCE), i.e., (GCE/PDMA–PVS–Ag0) was used in the biosensor development. Small-angle X-ray scattering (SAXS) spectroscopic analysis revealed that the PDMA–PVS–Ag0 nanocomposites were polydispersed and contained embedded Ag0. Electrochemical impedance spectroscopy (EIS) responses of the aptasensor gave a dynamic linear range (DLR) and limit of detection (LOD) values of 0.01–0.1 ng L−1 MC-LR and 0.003 ng L−1 MC-LR, respectively. The cross-reactivity studies, which was validated with enzyme-linked immunosorbent assay (ELISA), showed that the aptasensor possesses excellent selectivity for MC-LR.
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Ming T, Luo J, Liu J, Sun S, Xing Y, Wang H, Xiao G, Deng Y, Cheng Y, Yang Z, Jin H, Cai X. Paper-based microfluidic aptasensors. Biosens Bioelectron 2020; 170:112649. [PMID: 33022516 DOI: 10.1016/j.bios.2020.112649] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 12/14/2022]
Abstract
For in-situ disease markers detection, point-of-care (POC) diagnosis has great advantages in speed and cost compared with traditional techniques. The rapid diagnosis, prognosis, and surveillance of diseases can significantly reduce disease-related mortality and trauma. Therefore, increasing attention has been paid to the POC diagnosis devices due to their excellent diagnosis speed and portability. Over the past ten years, paper-based microfluidic aptasensors have emerged as a class of critical POC diagnosis devices and various aptasensors have been proposed to detect various disease markers. However, most aptasensors need further improvement before they can actually enter the market and be widely used. There is thus an urgent need to sort out the key points of preparing the aptasensors and the direction that needs to be invested in. This review summarizes the representative articles in the development of paper-based microfluidic aptasensors. These works can be divided into paper-based optical aptasensors and paper-based electrochemical aptasensors according to their output signals. Significant focus is applied to these works according to the following three parts: (1) The ingenious design of device structure; (2) Application and synthesis of nanomaterial; (3) The detection principle of the proposed aptasensor. This is a detailed and comprehensive review of paper-based microfluidic aptasensors. The accomplishments and shortcomings of the current aptasensors are outlined, the development direction and the future prospective are given. It is hoped that the research in this review can provide a reference for further development of more advanced, more effective paper-based microfluidic aptasensors for POC disease markers diagnosis.
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Affiliation(s)
- Tao Ming
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jinping Luo
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Juntao Liu
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Shuai Sun
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yu Xing
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Hao Wang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Guihua Xiao
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yu Deng
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing, 100034, PR China
| | - Yan Cheng
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing, 100034, PR China
| | - Zhugen Yang
- Cranfield Water Science Institute, Cranfield University, Cranfield, MK43 0AL, United Kingdom
| | - Hongyan Jin
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing, 100034, PR China.
| | - Xinxia Cai
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
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Chergui S, Rhili K, Poorahong S, Siaj M. Graphene Oxide Membrane Immobilized Aptamer as a Highly Selective Hormone Removal. MEMBRANES 2020; 10:E229. [PMID: 32932581 PMCID: PMC7558482 DOI: 10.3390/membranes10090229] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/09/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022]
Abstract
Three-dimensional (3D) reduced graphene oxide (rGO) modified by polyethyleneimine (PEI) was prepared and functionalized by fluorophore-labeled dexamethasone-aptamer (Flu-DEX-apt) via π-π stacking interaction. The rGO/PEI/Flu-DEX-apt was used as a selective membrane for dexamethasone hormone removal from water. The prepared rGO/PEI/Flu-DEX-apt membranes were stable, insoluble, and easily removable from liquid media. The membrane was characterized by Raman spectroscopy, scanning electron spectroscopy, and FTIR spectroscopy. The rGO/PEI/Flu-DEX-apt membrane showed high sensitivity and specificity toward the dexamethasone hormone in the presence of other steroid hormone analogs, such as progesterone, estrone, estradiol, and 19-norethindrone. The fluorescence and UV-visible spectroscopy were used to confirm the membranes performance and the quantification of hormones removal. The resulting data clearly show that the graphene oxide concentration influence the aptamers and analytes interaction (π-π stacking interaction). It was found that by varying the graphene oxide concentration yields to different porosities of rGO/PEI/Flu-DEX-apt membranes affects the adsorption recovery rate, as well as the specificity and selectivity toward the dexamethasone hormone.
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Affiliation(s)
| | | | | | - Mohamed Siaj
- Department of Chemistry, University of Quebec at Montreal, Montreal, QC H3C3P8, Canada; (S.C.); (K.R.); (S.P.)
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Citartan M, Tang TH. Recent developments of aptasensors expedient for point-of-care (POC) diagnostics. Talanta 2019; 199:556-566. [PMID: 30952298 DOI: 10.1016/j.talanta.2019.02.066] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 02/15/2019] [Accepted: 02/16/2019] [Indexed: 12/12/2022]
Abstract
Aptamers are nucleic acid-based molecular recognition elements that are specific and have high binding affinity against their respective targets. On account of their target recognition capacity, aptamers are widely utilized in a number of applications including diagnostics. This review aims to highlight the recent developments of aptasensors expedient for point-of-care (POC) diagnostics. Significant focus is given on the primary assay formats of aptamers such as fluorescence, electrochemical, surface plasmon resonance (SPR) and colorimetric assays. A potpourri of platforms such as paper-based device, lateral flow assay, portable electrodes, portable SPR and smart phones expedient for point-of-care (POC) diagnostics are discussed. Emphasis is also given on the technicalities and assay configurations associated with the sensors.
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Affiliation(s)
- Marimuthu Citartan
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Penang 13200, Malaysia.
| | - Thean-Hock Tang
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Penang 13200, Malaysia
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