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Zhang T, Liu J, Zhang L, Irfan M, Su X. Recent advances in aptamer-based biosensors for potassium detection. Analyst 2023; 148:5340-5354. [PMID: 37750217 DOI: 10.1039/d3an01053h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Maintaining a stable level of potassium is crucial for proper bodily function because even a slight imbalance can result in serious disorders like hyperkalemia and hypokalemia. Therefore, detecting and monitoring potassium ion (K+) levels are of utmost importance. Various biosensors have been developed for rapid K+ detection, with aptamer-based biosensors garnering significant attention due to their high sensitivity and specificity. This review focuses on aptamer-based biosensors for K+ detection, providing an overview of their signal generation strategies, including electrochemical, field-effect transistor, nanopore, colorimetric, and fluorescent systems. The analytical performance of these biosensors is evaluated comprehensively. In addition, factors that affect their efficiency, such as their physicochemical properties, regeneration for reusability, and linkers/spacers, are listed. Lastly, this review examines the major challenges faced by aptamer-based biosensors in K+ detection and discusses potential future developments.
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Affiliation(s)
- Tengfang Zhang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Jiajia Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Linghao Zhang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Muhammad Irfan
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
| | - Xin Su
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
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2
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Mizunuma M, Suzuki M, Kobayashi T, Hara Y, Kaneko A, Furukawa K, Chuman Y. Development of Mn 2+-Specific Biosensor Using G-Quadruplex-Based DNA. Int J Mol Sci 2023; 24:11556. [PMID: 37511324 PMCID: PMC10380348 DOI: 10.3390/ijms241411556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023] Open
Abstract
Metal ions are used in various situations in living organisms and as a part of functional materials. Since the excessive intake of metal ions can cause health hazards and environmental pollution, the development of new molecules that can monitor metal ion concentrations with high sensitivity and selectivity is strongly desired. DNA can form various structures, and these structures and their properties have been used in a wide range of fields, including materials, sensors, and drugs. Guanine-rich sequences respond to metal ions and form G-quadruplex structures and G-wires, which are the self-assembling macromolecules of G-quadruplex structures. Therefore, guanine-rich DNA can be applied to a metal ion-detection sensor and functional materials. In this study, the IRDAptamer library originally designed based on G-quadruplex structures was used to screen for Mn2+, which is known to induce neurodegenerative diseases. Circular dichroism and fluorescence analysis using Thioflavin T showed that the identified IRDAptamer sequence designated MnG4C1 forms a non-canonical G-quadruplex structure in response to low concentrations of Mn2+. A serum resistance and thermostability analysis revealed that MnG4C1 acquired stability in a Mn2+-dependent manner. A Förster resonance energy transfer (FRET) system using fluorescent molecules attached to the termini of MnG4C1 showed that FRET was effectively induced based on Mn2+-dependent conformational changes, and the limit of detection (LOD) was 0.76 µM for Mn2+. These results suggested that MnG4C1 can be used as a novel DNA-based Mn2+-detecting molecule.
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Affiliation(s)
- Masataka Mizunuma
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Mirai Suzuki
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Tamaki Kobayashi
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Yuki Hara
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Atsushi Kaneko
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Kazuhiro Furukawa
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Yoshiro Chuman
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
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3
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Pei X, Fang Y, Gu H, Zheng S, Bin X, Wang F, He M, Lu S, Chen X. A turn-on fluorescent probe based on ESIPT and AIEE mechanisms for the detection of butyrylcholinesterase activity in living cells and in non-alcoholic fatty liver of zebrafish. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:122044. [PMID: 36327810 DOI: 10.1016/j.saa.2022.122044] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/14/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Butyrylcholinesterase (BChE) and acetylcholinesterase (AChE) are two important cholinesterase enzymes in human metabolism which are closely related to various diseases of the liver. BChE and AChE are difficult to be distinguished due to their similarity in biochemical properties. Therefore, developing BChE-specific probes with high sensitivity and low background reading is desirable for the relevant biological applications. Herein, we reported the design and synthesis of a fluorescent probe HBT-BChE for biological detection and imaging of BChE. The probe is triggered by BChE-mediated hydrolysis, releasing a fluorophore that holds AIEE and ESIPT properties with large Stokes shift (>100 nm), rendering the probe features of low background interference and high sensitivity. The probe can also distinguish BChE from AChE with a low detection limit of 7.540 × 10-4 U/mL. Further in vitro studies have shown the ability of HBT-BChE to detect intracellular BChE activity, as well as to evaluate the efficiency of the BChE inhibitor. More importantly, the in vivo studies of imaging the BChE activity level in liver tissues using zebrafish as the model animal demonstrated the potential of HBT-BChE as a powerful tool for non-alcoholic fatty liver disease.
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Affiliation(s)
- Xiangyu Pei
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China
| | - YuHang Fang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China
| | - Hao Gu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China
| | - Shiyue Zheng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China
| | - Xinni Bin
- Institute of Translational Medicine, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Fang Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China
| | - Mingfang He
- Institute of Translational Medicine, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Sheng Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China.
| | - Xiaoqiang Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, China.
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Zhao L, Ahmed F, Zeng Y, Xu W, Xiong H. Recent Developments in G-Quadruplex Binding Ligands and Specific Beacons on Smart Fluorescent Sensor for Targeting Metal Ions and Biological Analytes. ACS Sens 2022; 7:2833-2856. [PMID: 36112358 DOI: 10.1021/acssensors.2c00992] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The G-quadruplex structure is crucial in several biological processes, including DNA replication, transcription, and genomic maintenance. G-quadruplex-based fluorescent probes have recently gained popularity because of their ease of use, low cost, excellent selectivity, and sensitivity. This review summarizes the latest applications of G-quadruplex structures as detectors of genome-wide, enantioselective catalysts, disease therapeutics, promising drug targets, and smart fluorescence probes. In every section, sensing of G-quadruplex and employing G4 for the detection of other analytes were introduced, respectively. Since the discovery of the G-quadruplex structure, several studies have been conducted to investigate its conformations, biological potential, stability, reactivity, selectivity for chemical modification, and optical properties. The formation mechanism and advancements for detecting different metal ions (Na+, K+, Ag+, Tl+, Cu+/Cu2+, Hg2+, and Pb2+) and biomolecules (AMP, ATP, DNA/RNA, microRNA, thrombin, T4 PNK, RNase H, ALP, CEA, lipocalin 1, and UDG) using fluorescent sensors based on G-quadruplex modification, such as dye labels, artificial nucleobase moieties, dye complexes, intercalating dyes, and bioconjugated nanomaterials (AgNCs, GO, QDs, CDs, and MOF) is described herein. To investigate these extremely efficient responsive agents for diagnostic and therapeutic applications in medicine, fluorescence sensors based on G-quadruplexes have also been employed as a quantitative visualization technique.
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Affiliation(s)
- Long Zhao
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China.,College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Farid Ahmed
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yating Zeng
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Weiqing Xu
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Hai Xiong
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
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Chitbankluai K, Thavarungkul P, Kanatharana P, Kaewpet M, Buranachai C. Newly found K +-Thioflavin T competitive binding to DNA G-quadruplexes and the development of a label-free fluorescent biosensor with extra low detection limit for K + determination in urine samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 276:121244. [PMID: 35429866 DOI: 10.1016/j.saa.2022.121244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 04/03/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
The determination of potassium ion K+ in body fluids is important in health monitoring and diagnoses. One of the interesting and simple methods for K+ detection is the use of label-free biosensors based on DNA G-quadruplexes (GQs) coupled with a specific fluorescent probe, such as Thioflavin T (ThT), which lights up when bound with K+-stabilized GQs. However, these biosensors are not generally sensitive. In this work, we found a solution: at a low concentration, K+ competes with ThT in binding to a bimolecular GQ or a tetramolecular GQ, resulting in a decrease in ThT fluorescence emission with increasing K+. Therefore, we developed a label-free turn-off fluorescent K+ sensor. The sensor provides a very low detection limit of 21.87 ± 0.59 nM. Other possible interfering components in urine did not exert any effect even at quantities that were 10-fold greater than their upper limit of normal concentrations found in urine samples. With its only requirement of diluting samples, the developed low-cost label-free probe and simple sensor was successfully applied to the direct detection of K+ in normal urine samples with high accuracy (recoveries ranged from 90% to 100%).
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Affiliation(s)
- Khwanrudee Chitbankluai
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Thailand Center of Excellence in Physics, Commission on Higher Education, 328 Si Ayutthaya Road, Bangkok, 10400, Thailand
| | - Panote Thavarungkul
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Thailand Center of Excellence in Physics, Commission on Higher Education, 328 Si Ayutthaya Road, Bangkok, 10400, Thailand; Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Proespichaya Kanatharana
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Morakot Kaewpet
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Chittanon Buranachai
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Center of Excellence for Trace Analysis and Biosensor, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand; Thailand Center of Excellence in Physics, Commission on Higher Education, 328 Si Ayutthaya Road, Bangkok, 10400, Thailand.
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6
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Salehan P, Ensafi AA, Mousaabadi KZ, Ghasemi JB, Aghaee E, Rezaei B. A theoretical and experimental study of polyaniline/GCE and DNA G-quadruplex conformation as an impedimetric biosensor for the determination of potassium ions. CHEMOSPHERE 2022; 292:133460. [PMID: 34971631 DOI: 10.1016/j.chemosphere.2021.133460] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/14/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
An electrochemical aptasensor has been developed to determine K+ using electrochemical impedance spectroscopy. The polyaniline (PANI) coating was first electrodeposited on a GCE. Then, the potassium-selective aptamer [G3(T2AG3)3] was adsorbed through an electrostatic force between PANI and aptamer. In the presence of K+, the single-stranded DNA is folded into the G-quadruplex configuration, which acts as a barrier against electron transfer at the GCE surface. AFM and FE-SEM images characterize the surface morphology at each fabrication stage. As the K+ concentration increased, the charge transfer resistance (Rct) increased, and the plot of ΔRct versus the logarithm of the K+ concentration is linear over a wide range of 10 pM-60 μM with a low detection limit of 3.7 pM. Finally, the proposed sensor was used to determine K+ in water, serum, urine, and fruit samples. Moreover, the binding stability of the aptamer/PANI and K+/Aptamer/PANI and the interactions between the aptamer and PANI were analyzed through molecular dynamics simulation.
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Affiliation(s)
- P Salehan
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
| | - Ali A Ensafi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran; Adjunct Professor, Department of Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, 72701, USA.
| | - K Zarean Mousaabadi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
| | - Jahan B Ghasemi
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
| | - E Aghaee
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
| | - B Rezaei
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
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7
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Yu X, Zhang S, Guo W, Li B, Yang Y, Xie B, Li K, Zhang L. Recent Advances on Functional Nucleic-Acid Biosensors. SENSORS (BASEL, SWITZERLAND) 2021; 21:7109. [PMID: 34770415 PMCID: PMC8587875 DOI: 10.3390/s21217109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/17/2021] [Accepted: 10/23/2021] [Indexed: 02/07/2023]
Abstract
In the past few decades, biosensors have been gradually developed for the rapid detection and monitoring of human diseases. Recently, functional nucleic-acid (FNA) biosensors have attracted the attention of scholars due to a series of advantages such as high stability and strong specificity, as well as the significant progress they have made in terms of biomedical applications. However, there are few reports that systematically and comprehensively summarize its working principles, classification and application. In this review, we primarily introduce functional modes of biosensors that combine functional nucleic acids with different signal output modes. In addition, the mechanisms of action of several media of the FNA biosensor are introduced. Finally, the practical application and existing problems of FNA sensors are discussed, and the future development directions and application prospects of functional nucleic acid sensors are prospected.
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Affiliation(s)
| | | | | | | | | | | | | | - Li Zhang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (X.Y.); (S.Z.); (W.G.); (B.L.); (Y.Y.); (B.X.); (K.L.)
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8
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Özil M, Tuzcuoğlu Ö, Emirik M, Baltaş N. Developing a scaffold for urease inhibition based on benzothiazoles: Synthesis, docking analysis, and therapeutic potential. Arch Pharm (Weinheim) 2021; 354:e2100200. [PMID: 34545964 DOI: 10.1002/ardp.202100200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 09/01/2021] [Accepted: 09/04/2021] [Indexed: 12/31/2022]
Abstract
The synthesis, in silico molecular docking, and in vitro urease inhibition studies of a novel series of benzothiazole derivatives are reported. The title compounds in the two series, namely, 2-({5-[(benzothiazol-2-ylthio)methyl]-1,3,4-oxadiazol-2-yl}thio)-1-(4-substituted-phenyl)ethan-1-one and 2-(benzothiazol-2-ylthio)-1-(4-substituted-phenyl)ethan-1-one oxime, were synthesized by the reaction of benzo[d]thiazole-2-thiol with different kinds of intermediates in several steps using both conventional and microwave techniques. All compounds were found to have an excellent degree of urease-inhibitory potential ranging between 16.16 ± 0.54 and 105.32 ± 2.10 µM when compared with the standard inhibitor acetohydroxamic acid with IC50 = 320.70 ± 4.24 µM. The structure-activity relationship was established in detail. The binding interactions of the compounds with the enzyme were confirmed through molecular docking. Further, 100 -ns molecular dynamics simulations were performed to investigate the stability and structural perturbations experienced by the most potent compound over the urease active site.
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Affiliation(s)
- Musa Özil
- Department of Chemistry, Recep Tayyip Erdogan University, Rize, Turkey
| | - Özge Tuzcuoğlu
- Department of Chemistry, Recep Tayyip Erdogan University, Rize, Turkey
| | - Mustafa Emirik
- Department of Chemistry, Recep Tayyip Erdogan University, Rize, Turkey
| | - Nimet Baltaş
- Department of Chemistry, Recep Tayyip Erdogan University, Rize, Turkey
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9
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Žuržul N, Stokke BT. DNA Aptamer Functionalized Hydrogels for Interferometric Fiber-Optic Based Continuous Monitoring of Potassium Ions. BIOSENSORS 2021; 11:266. [PMID: 34436068 PMCID: PMC8392310 DOI: 10.3390/bios11080266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/31/2021] [Accepted: 08/03/2021] [Indexed: 12/27/2022]
Abstract
In the present paper, we describe a potassium sensor based on DNA-aptamer functionalized hydrogel, that is capable of continuous label-free potassium ion (K+) monitoring with potential for in situ application. A hydrogel attached to the end of an optical fiber is designed with di-oligonucleotides grafted to the polymer network that may serve as network junctions in addition to the covalent crosslinks. Specific affinity toward K+ is based on exploiting a particular aptamer that exhibits conformational transition from single-stranded DNA to G-quadruplex formed by the di-oligonucleotide in the presence of K+. Integration of this aptamer into the hydrogel transforms the K+ specific conformational transition to a K+ concentration dependent deswelling of the hydrogel. High-resolution interferometry monitors changes in extent of swelling at 1 Hz and 2 nm resolution for the hydrogel matrix of 50 µm. The developed hydrogel-based biosensor displayed high selectivity for K+ ions in the concentration range up to 10 mM, in the presence of physiological concentrations of Na+. Additionally, the concentration dependent and selective K+ detection demonstrated in the artificial blood buffer environment, both at room and physiological temperatures, suggests substantial potential for practical applications such as monitoring of potassium ion concentration in blood levels in intensive care medicine.
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Affiliation(s)
| | - Bjørn Torger Stokke
- Biophysics and Medical Technology, Department of Physics, NTNU The Norwegian University of Science and Technology, NO-7491 Trondheim, Norway;
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10
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Jiang L, Qu X, Sun W, Zhang M, Wang Y, Wang Y, Zhao Y, Zhang F, Leng Y, Liu S, Yu J, Huang J. A three-dimensional dynamic DNA walker-mediated branching hybridization chain reaction for the ultrasensitive fluorescence sensing of ampicillin. Analyst 2021; 146:5413-5420. [PMID: 34346408 DOI: 10.1039/d0an02226h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In this study, a novel, rapid and ultrasensitive fluorescence strategy using the three-dimensional (3D) dynamic DNA walker (DW)-induced branched hybridization chain reaction (bHCR) has been proposed for the detection of ampicillin (AMP). The sensing system was composed of an Nt·Bbvcl-powered DNA walker blocked by an AMP aptamer, hairpin-shaped DNA track probe (TP) and four kinds of metastable hairpin probes as the substrates of bHCR, which triggered the formation of the split G-quadruplex as the signal molecule. Due to the reasonable design, the specific binding between AMP and its aptamer activated the DW, and the DW moved on the surface of the gold nanoparticles (AuNPs) with the help of Nt·Bbvcl to produce primer probes (PPs), which induced bHCR. The products of the bHCR gathered two split G-quadruplex sequences together to form one complete G-quadruplex. The formed G-quadruplex emitted a strong fluorescence signal in the presence of thioflavin-T (ThT) to achieve the purpose of detecting AMP. The sensitivity of this method was greatly improved by the use of the 3D DNA walker and bHCR. The split G-quadruplex enhanced the signal-to-noise ratio (SNR). Under the optimal experimental conditions, a good correlation was obtained between the fluorescence intensity of the sensing system and the concentration of AMP ranging from 5 pM to 500 nM with a limit of detection (LOD) of 3.68 pM. Simultaneously, the method has been applied to the detection of antibiotics in spiked milk samples with satisfactory results.
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Affiliation(s)
- Long Jiang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, P.R. China
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11
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Fluorescent functional nucleic acid: Principles, properties and applications in bioanalyzing. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116292] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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12
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Deore PS, Manderville RA. Ratiometric fluorescent sensing of the parallel G-quadruplex produced by PS2.M: implications for K + detection. Analyst 2020; 145:1288-1293. [PMID: 31895357 DOI: 10.1039/c9an02122a] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Fluorescent ligands that selectively bind to a specific G-quadruplex (GQ) topology (antiparallel, hybrid or parallel) are highly sought after for aptasensor development and nanodevice construction. The coumarin-benzothiazole hybrid (BnBtC) is an internal charge transfer (ICT) ratiometric fluorescent probe, which displays two well-resolved emission bands at ∼450 nm for the coumarin component and ∼650 nm for the ICT band. The red ICT emission of BnBtC displays turn-on responses to protic solvent polarity and upon binding GQ structures, especially those produced by the hemin binding aptamer (PS2.M). In the present work, BnBtC was found to exhibit enhanced ICT emission upon binding the parallel GQ topology of PS2.M that is selectively produced in the presence of K+. This ability to discriminate K+ from other cationic metal ions through a turn-on ratiometric fluorescent response demonstrates the potential utility of the BnBtC probe for biosensor applications.
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Affiliation(s)
- Prashant S Deore
- Departments of Chemistry & Toxicology, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
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14
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Huang L, Xiang L, Zhang Y, Wang Y, Nie Z. Simultaneous quantitative analysis of K + and Tl + in serum and drinking water based on UV-Vis spectra and chemometrics. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 238:118392. [PMID: 32445977 DOI: 10.1016/j.saa.2020.118392] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 04/06/2020] [Accepted: 04/19/2020] [Indexed: 06/11/2023]
Abstract
The simultaneous detection of K+ and Tl+ can serve as a toxicological diagnostic tool for thallium poisoning. Colorimetric-reaction-based nanoprobes have emerged as promising sensors for the rapid and ultrasensitive detection of molecular species in simple systems. However, the development of viable screening tools for multicomponent analysis in complex systems remains challenging owing to interference from coexisting materials in the media. Herein, a simple chemical sensor array based on the peroxidase-like activity of gold nanoparticles modified with single-stranded DNA (AuNPs-ssDNA) and chemometrics was developed for the simultaneous detection of K+ and Tl+ in aqueous solutions and serum. The use of a K+ adapter conferred high selectivity to the developed method. Optimized AuNPs-ssDNAs were used to construct a sensor array, which together with chemometrics provided fingerprints that can facilitate the simultaneous analysis of multiple components. The developed colorimetric reaction in combination with the chemometrics assay was directly used as a biosensor array, which exhibited detection limits of 107.33 nM for K+ and 19.26 nM for Tl+. The developed method could potentially serve as a diagnostic technique for investigating thallium poisoning and toxicology.
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Affiliation(s)
- Lijuan Huang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Longyan Xiang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Yan Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Yongan Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Zhiyong Nie
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
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15
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Han JH, Cho HY, Kim DY, Jang YJ, Lee YA, Kim SK. Binding properties of pyrene-porphyrin dyad to G-quadruplexes in the presence of K+ and Na+ ion and their effect on stability. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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16
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Yang D, Shi L, Zhao Z, Fu Y, Sun H, Li Q, Tang Y, Zhang X. A Lead (II) Ion Sensor Based on Selective Recognition of G‐quadruplex for Ethyl‐substitutive Thioflavin T. ChemistrySelect 2019. [DOI: 10.1002/slct.201902277] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Dawei Yang
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Lei Shi
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Zheng Zhao
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Yao Fu
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Hongxia Sun
- Institute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
| | - Qian Li
- Institute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
| | - Yalin Tang
- Institute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
| | - Xiufeng Zhang
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
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17
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Fu Y, Shi L, Zhao Z, Yang D, Li Q, Tang Y, Zhang X. Ethyl‐substituted Thioflavin T as a Fluorescent Probe for Detecting the Conformation of Transferrin. ChemistrySelect 2019. [DOI: 10.1002/slct.201902327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yao Fu
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Lei Shi
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Zheng Zhao
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Dawei Yang
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
| | - Qian Li
- Beijing National Laboratory for Molecular Sciences (BNLMS)State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of Chemistry Chinese Academy of Sciences Beijing 100190 PR China
| | - Yalin Tang
- Beijing National Laboratory for Molecular Sciences (BNLMS)State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of Chemistry Chinese Academy of Sciences Beijing 100190 PR China
| | - Xiufeng Zhang
- College of Chemical EngineeringNorth China University of Science and Technology Tangshan 063210 P. R. China
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18
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Direct detection of potassium and lead (II) ions based on assembly-disassembly of a chiral cyanine dye /TBA complex. Talanta 2019; 201:490-495. [PMID: 31122455 DOI: 10.1016/j.talanta.2019.04.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 04/09/2019] [Accepted: 04/11/2019] [Indexed: 11/24/2022]
Abstract
A highly selective and sensitive direct detection of potassium (K+) and lead (Pb2+) ions was developed by using the assembly and disassembly of a chiral cyanine dye/TBA complex. The dye DMSB (3-ethyl-2-[3-(3-ethyl-3H-benzoselenazol-2-ylidene)-2-methylprop-1-enyl] benzoselenazolium bromide) loses the ability of self-assembly, but it can be activated by thrombin-binding aptamer (TBA) G-quadruplex structure. And only the TBA G-quadruplex formed in the presence of K+, can strongly induce J-aggregate signals of DMSB. Because the Pb2+ ions can bind and stabilize the TBA G-quadruplex with much higher efficiency than K+, the J-aggregate signals of DMSB falls sharply when the Pb2+ is present. As a result, the assembly and disassembly of DMSB allows the selective detection of 10 μM K+ and 20 nM Pb2+ respectively, even the competitive sodium ion (Na+) was as high as 145 mM. The linear correlation existed between the J-aggregate intensity and the concentration of K+ and Pb2+ over the range of 0.5-5.0 mM and 200-2000 nM, respectively. Moreover, the concentration of K+ (∼3 mM) and Pb2+ (below 20 nM) in human blood serum samples were determined by the present method, which agreed well with inductively coupled plasma mass spectrometry (ICP-MS). This work not only opens a door for the further development of G-quadruplex-based aptasensor in complex real system, but also provides a simple and versatile sensing platform for ion detection in clinic.
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19
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Xie X, Zuffo M, Teulade-Fichou MP, Granzhan A. Identification of optimal fluorescent probes for G-quadruplex nucleic acids through systematic exploration of mono- and distyryl dye libraries. Beilstein J Org Chem 2019; 15:1872-1889. [PMID: 31467609 PMCID: PMC6693400 DOI: 10.3762/bjoc.15.183] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 07/23/2019] [Indexed: 12/20/2022] Open
Abstract
A library of 52 distyryl and 9 mono-styryl cationic dyes was synthesized and investigated with respect to their optical properties, propensity to aggregation in aqueous medium, and capacity to serve as fluorescence “light-up” probes for G-quadruplex (G4) DNA and RNA structures. Among the 61 compounds, 57 dyes showed preferential enhancement of fluorescence intensity in the presence of one or another G4-DNA or RNA structure, while no dye displayed preferential response to double-stranded DNA or single-stranded RNA analytes employed at equivalent nucleotide concentration. Thus, preferential fluorimetric response towards G4 structures appears to be a common feature of mono- and distyryl dyes, including long-known mono-styryl dyes used as mitochondrial probes or protein stains. However, the magnitude of the G4-induced “light-up” effect varies drastically, as a function of both the molecular structure of the dyes and the nature or topology of G4 analytes. Although our results do not allow to formulate comprehensive structure–properties relationships, we identified several structural motifs, such as indole- or pyrrole-substituted distyryl dyes, as well as simple mono-stryryl dyes such as DASPMI [2-(4-(dimethylamino)styryl)-1-methylpyridinium iodide] or its 4-isomer, as optimal fluorescent light-up probes characterized by high fluorimetric response (I/I0 of up to 550-fold), excellent selectivity with respect to double-stranded DNA or single-stranded RNA controls, high quantum yield in the presence of G4 analytes (up to 0.32), large Stokes shift (up to 150 nm) and, in certain cases, structural selectivity with respect to one or another G4 folding topology. These dyes can be considered as promising G4-responsive sensors for in vitro or imaging applications. As a possible application, we implemented a simple two-dye fluorimetric assay allowing rapid topological classification of G4-DNA structures.
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Affiliation(s)
- Xiao Xie
- CNRS UMR9187, INSERM U1196, Institut Curie, Université Paris Sud, Université Paris Saclay, Bât. 110, Centre universitaire Paris Sud, F-91405 Orsay, France
| | - Michela Zuffo
- CNRS UMR9187, INSERM U1196, Institut Curie, Université Paris Sud, Université Paris Saclay, Bât. 110, Centre universitaire Paris Sud, F-91405 Orsay, France
| | - Marie-Paule Teulade-Fichou
- CNRS UMR9187, INSERM U1196, Institut Curie, Université Paris Sud, Université Paris Saclay, Bât. 110, Centre universitaire Paris Sud, F-91405 Orsay, France
| | - Anton Granzhan
- CNRS UMR9187, INSERM U1196, Institut Curie, Université Paris Sud, Université Paris Saclay, Bât. 110, Centre universitaire Paris Sud, F-91405 Orsay, France
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20
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Chai H, Ma X, Meng F, Mei Q, Tang Y, Miao P. Electrochemical aptasensor based on a potassium ion-triggered DNA conformation transition and self-assembly on an electrode. NEW J CHEM 2019. [DOI: 10.1039/c9nj00158a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A sensitive and selective electrochemical aptasensor was developed for the detection of potassium ions based on a simple sensing principle and straightforward operation.
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Affiliation(s)
- Hua Chai
- Jihua Laboratory
- Foshan 528200
- P. R. China
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
| | - Xiaoyi Ma
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
- Suzhou 215163
- P. R. China
- University of Science and Technology of China
| | - Fanyu Meng
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
- Suzhou 215163
- P. R. China
- University of Science and Technology of China
| | - Qian Mei
- Jihua Laboratory
- Foshan 528200
- P. R. China
- Tianjin Guokeyigong Science & Technology Development Co., Ltd
- Tianjin 300399
| | - Yuguo Tang
- Jihua Laboratory
- Foshan 528200
- P. R. China
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
| | - Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology
- Chinese Academy of Sciences
- Suzhou 215163
- P. R. China
- Tianjin Guokeyigong Science & Technology Development Co., Ltd
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