1
|
Fu Y, Du C, Zhang Q, Xiao K, Zhang X, Chen J. Colorimetric and Photocurrent-Polarity-Switching Photoelectrochemical Dual-Mode Sensing Platform for Highly Selective Detection of Mercury Ions Based on the Split G-Quadruplex-Hemin Complex. Anal Chem 2022; 94:15040-15047. [PMID: 36259408 DOI: 10.1021/acs.analchem.2c03084] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mercury ion (Hg2+) is one of the most harmful heavy metal ions with the greatest impact on public health. Herein, based on the excellent catalytic activity toward 3,3',5,5'-tetramethylbenzidine (TMB) and the strong photocurrent-polarity-switching ability to SnS2 photoanode of the split G-quadruplex-hemin complex, the magnetic NiCo2O4@SiO2-NH2 sphere-assisted colorimetric and photoelectrochemical (PEC) dual-mode sensing platform was developed for the Hg2+ assay. First, the amino-labelled single-stranded DNA1 (S1) was immobilized on NiCo2O4@SiO2-NH2 and then partly hybridized with another single-stranded DNA2 (S2). When Hg2+ was present, the thymine-Hg2+-thymine base pairs between S1 and S2 were formed, causing the formation of the split G-quadruplex in the presence of K+. After addition of hemin, the split G-quadruplex-hemin complex was obtained and effectually catalyzed the H2O2-mediated oxidation of TMB. Thus, the color and absorbance intensity of the TMB solution were changed, resulting in the visual and colorimetric detection of Hg2+. The linear response range is 10 pM to 10 nM, and the detection limit is 3.8 pM. Meanwhile, the above G-quadruplex-hemin complex effectively switched the photocurrent polarity of SnS2-modified indium tin oxide electrode, leading to the sensitive and selective PEC assay of Hg2+ with a linear response range of 5 pM to 500 nM and a detection limit of 2.3 pM. Moreover, the developed dual-mode sensing platform provided mutual authentication of detection results in different modes, effectively improving the assay accuracy and confidence, and may have a good potential application in highly sensitive, selective, and accurate determination of Hg2+ in environmental fields.
Collapse
Affiliation(s)
- Yamin Fu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China.,Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, P. R. China
| | - Cuicui Du
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Qingqing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Ke Xiao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Xiaohua Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Jinhua Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| |
Collapse
|
2
|
Salmasi Z, Rouhi N, Safarpour H, Zebardast N, Zare H. The Recent Progress in DNAzymes-Based Aptasensors for Thrombin Detection. Crit Rev Anal Chem 2022; 54:818-839. [PMID: 35867568 DOI: 10.1080/10408347.2022.2098671] [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] [Indexed: 10/17/2022]
Abstract
Thrombin (TB) is classified among human blood coagulation proteins with key functions in hemostasis of blood vessels, wound healing, atherosclerosis, tissue adhesion, etc. Moreover, TB is involved as the main enzyme in the conversion of the fibrinogen to fibrin. Given the importance of TB detection in the clinical area, the development of innovative methods can considerably improve TB detection. Newly, aptasensors or aptamer-based biosensors have received special attention for sensitive and facile TB detection. In addition, the aptamer/nanomaterial conjugates have presented new prospects in accurate TB detection as nanoaptasensors. DNA-based enzymes or DNAzymes, as new biocatalysts, have many advantages over protein enzymes and can be used in analytical tools. This article reviews a brief overview of significant progresses regarding the various types of DNAzymes-based aptasensors and nano aptasensors developed for thrombin detection. In the following, challenges and prospects of TB detection by DNAzymes-based aptasensors are discussed.
Collapse
Affiliation(s)
- Zahra Salmasi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nadiyeh Rouhi
- Seafood Processing Department, Marine Science Faculty, Tarbiat Modares University, Tehran, Iran
| | - Hossein Safarpour
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Nozhat Zebardast
- Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Hamed Zare
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| |
Collapse
|
3
|
Dang TV, Heo NS, Cho HJ, Lee SM, Song MY, Kim HJ, Kim MI. Colorimetric determination of phenolic compounds using peroxidase mimics based on biomolecule-free hybrid nanoflowers consisting of graphitic carbon nitride and copper. Mikrochim Acta 2021; 188:293. [PMID: 34363539 DOI: 10.1007/s00604-021-04937-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 07/09/2021] [Indexed: 11/26/2022]
Abstract
Hybrid nanoflowers consisting of graphitic carbon nitride (GCN) and copper were successfully constructed without the involvement of any biomolecule, by simply mixing them at room temperature to induce proper self-assembly to achieve a flower-like morphology. The resulting biomolecule-free GCN-copper hybrid nanoflowers (GCN-Cu NFs) exhibited an apparent peroxidase-mimicking activity, possibly owing to the synergistic effect from the coordination of GCN and copper, as well as their large surface area, which increased the number of catalytic reaction sites. The peroxidase-mimicking GCN-Cu NFs were then employed in the colorimetric determination of selected phenolic compounds hydroquinone (HQ), methylhydroquinone (MHQ), and catechol (CC). For samples without phenolic compounds, GCN-Cu NFs catalyzed the oxidation of the peroxidase substrate 3,3',5,5'-tetramethylbenzidine (TMB) in the presence of H2O2, producing an intense blue color signal. Conversely, in the presence of phenolic compounds, the oxidation of TMB was inhibited, resulting in a significant reduction of the color signal. Using this strategy, HQ, MHQ, and CC were selectively and sensitively determined in a linear range up to 100 μM with detection limits down to 0.82, 0.27, and 0.36 μM, respectively. The practical utility of this assay system was also validated by using it to detect phenolic compounds spiked in tap water, yielding a good recovery of 97.1-108.9% and coefficient of variation below 3.0%, demonstrating the excellent reliability and reproducibility of this strategy. Colorimetric determination of phenolic compounds using peroxidase mimics based on biomolecule-free hybrid nanoflowers consisting of graphitic carbon nitride and copper.
Collapse
Affiliation(s)
- Thinh Viet Dang
- Department of BioNano Technology, Gachon University, 1342 Seongnamdae-ro, Sujeong-gu, Seongnam, Gyeonggi, 13120, Republic of Korea
| | - Nam Su Heo
- Research Center for Materials Analysis, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Hye-Jin Cho
- Reliability Assessment Center for Chemical Materials, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, Daejeon, 305-600, Republic of Korea
| | - Sang Moon Lee
- Research Center for Materials Analysis, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Min Young Song
- Reliability Assessment Center for Chemical Materials, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, Daejeon, 305-600, Republic of Korea
| | - Hae Jin Kim
- Research Center for Materials Analysis, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea.
| | - Moon Il Kim
- Department of BioNano Technology, Gachon University, 1342 Seongnamdae-ro, Sujeong-gu, Seongnam, Gyeonggi, 13120, Republic of Korea.
| |
Collapse
|
4
|
Zhang D, Yu X, Wu L, Jin H, Wei M. Ultrasensitive electrochemical detection of Pb2+ based on DNAzyme coupling with exonuclease III –Assisted target recycling. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2020.114960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|
5
|
Wang J, Yang D, Guo X, Song Q, Tan L, Dong L. A novel RNA aptamer-modified riboswitch as chemical sensor. Anal Chim Acta 2019; 1100:240-249. [PMID: 31987147 DOI: 10.1016/j.aca.2019.11.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/20/2019] [Accepted: 11/30/2019] [Indexed: 12/19/2022]
Abstract
In this study, a novel label- and immobilization-free RNA aptamer-modified riboswitch-based biosensor was developed by using RNA aptamer modified secondary-structural scaffolds to control the identity of the ribosomal binding sequence (RBS). In the developed sensor, the duplex RNA aptamers-modified cis-repressor sequence is introduced upstream to the RBS of the indicating gene (gfp gene), leading to formatting an RNA bubble due to the none-complementary state of the RNA aptamers in the hairpin structure of the cis-repressor sequence. Without the presence of the target molecule, the ribosome cannot identify the RBS of the indicating gene as the RBS is hidden by the introduced cis-repressor, consequently, the indicating gene in the sensor would not be expressed, demonstrating the absence of the target. On the contrary, with the presence of the target molecule, the binding of aptamer with the target would induce the enlargement of the RNA bubble, leading to the separation of the cis-repressor sequence and RBS. Hence, the indicating gene would be expressed, manifesting the existence of the target. In addition, the developed sensor can quantitatively report the target concentrations by measuring the gfp gene-encoded GFP (green fluorescent protein) concentration. The approach proposed in this study can be used to construct sensors for detecting various chemicals by introducing the corresponding aptamers, therefore, this strategy can potentially provide a new set of analytical tools in the field of analytical chemistry.
Collapse
Affiliation(s)
- Jing Wang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China; Key Laboratory of Low-grade Energy Utilization Technologies & Systems of the Ministry of Education, Chongqing University, Chongqing, 40004, PR China
| | - Dongmei Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Xiaogang Guo
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Qitao Song
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Luxi Tan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; Key Laboratory of Low-grade Energy Utilization Technologies & Systems of the Ministry of Education, Chongqing University, Chongqing, 40004, PR China.
| | - Lichun Dong
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; Key Laboratory of Low-grade Energy Utilization Technologies & Systems of the Ministry of Education, Chongqing University, Chongqing, 40004, PR China.
| |
Collapse
|
6
|
Kosman J, Juskowiak B. Bioanalytical Application of Peroxidase-Mimicking DNAzymes: Status and Challenges. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2019; 170:59-84. [PMID: 28474157 DOI: 10.1007/10_2017_7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
DNAzymes with peroxidase-mimicking activity are a new class of catalytically active DNA molecules. This system is formed as a complex of hemin and a G-quadruplex structure created by oligonucleotides rich in guanine. Considering catalytic activity, this DNAzyme mimics horseradish peroxidase, the enzyme most commonly used for signal generation in bioassays. Because DNAzymes exhibit many advantages over protein enzymes (thermal stability, easy and cheap synthesis and purification) they can successfully replace HRP in bioanalytical applications. HRP-like DNAzymes have been applied in the detection of several DNA sequences. Many amplification techniques have been conjugated with DNAzyme systems, resulting in ultrasensitive bioassays. On the other hand, the combination of aptamers and DNAzymes has led to the development of aptazymes for specific targets. An up-to-date summary of the most interesting DNAzyme-based assays is presented here. The elaborated systems can be used in medical diagnosis or chemical and biological studies.
Collapse
Affiliation(s)
- J Kosman
- Laboratory of Bioanalytical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Poznan, Poland.
| | - B Juskowiak
- Laboratory of Bioanalytical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Poznan, Poland
| |
Collapse
|
7
|
Wang Y, Shan D, Wu G, Wang H, Ru F, Zhang X, Li L, Qian Y, Lu X. A novel “dual-potential” ratiometric electrochemiluminescence DNA sensor based on enhancing and quenching effect by G-quadruplex / hemin and Au-Luminol bifunctional nanoparticles. Biosens Bioelectron 2018; 106:64-70. [DOI: 10.1016/j.bios.2018.01.052] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 01/22/2018] [Accepted: 01/23/2018] [Indexed: 11/26/2022]
|
8
|
Electrochemical and AFM Characterization of G-Quadruplex Electrochemical Biosensors and Applications. J Nucleic Acids 2018; 2018:5307106. [PMID: 29666699 PMCID: PMC5831849 DOI: 10.1155/2018/5307106] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 10/25/2017] [Accepted: 11/05/2017] [Indexed: 02/06/2023] Open
Abstract
Guanine-rich DNA sequences are able to form G-quadruplexes, being involved in important biological processes and representing smart self-assembling nanomaterials that are increasingly used in DNA nanotechnology and biosensor technology. G-quadruplex electrochemical biosensors have received particular attention, since the electrochemical response is particularly sensitive to the DNA structural changes from single-stranded, double-stranded, or hairpin into a G-quadruplex configuration. Furthermore, the development of an increased number of G-quadruplex aptamers that combine the G-quadruplex stiffness and self-assembling versatility with the aptamer high specificity of binding to a variety of molecular targets allowed the construction of biosensors with increased selectivity and sensitivity. This review discusses the recent advances on the electrochemical characterization, design, and applications of G-quadruplex electrochemical biosensors in the evaluation of metal ions, G-quadruplex ligands, and other small organic molecules, proteins, and cells. The electrochemical and atomic force microscopy characterization of G-quadruplexes is presented. The incubation time and cations concentration dependence in controlling the G-quadruplex folding, stability, and nanostructures formation at carbon electrodes are discussed. Different G-quadruplex electrochemical biosensors design strategies, based on the DNA folding into a G-quadruplex, the use of G-quadruplex aptamers, or the use of hemin/G-quadruplex DNAzymes, are revisited.
Collapse
|
9
|
Yang Y, Li C, Hu X, Yang Y, Yin Y, Wang Z. A programmed terminal extension strategy to light up multiple beacons for DNA and cellular telomerase detection. Chem Commun (Camb) 2017; 53:5752-5755. [PMID: 28492676 DOI: 10.1039/c7cc02515g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new method to detect DNA and cellular telomerase is developed using an enzyme-triggered terminal extension strategy.
Collapse
Affiliation(s)
- Yucai Yang
- Department of Oncology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing 210029
- P. R. China
| | - Chao Li
- State Key Laboratory of Pharmaceutical Biotechnology
- Department of Biochemistry
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Xiaolu Hu
- State Key Laboratory of Pharmaceutical Biotechnology
- Department of Biochemistry
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Yi Yang
- State Key Laboratory of Pharmaceutical Biotechnology
- Department of Biochemistry
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Yongmei Yin
- Department of Oncology
- The First Affiliated Hospital of Nanjing Medical University
- Nanjing 210029
- P. R. China
| | - Zhaoxia Wang
- Department of Oncology
- The Second Affiliated Hospital of Nanjing Medical University
- Nanjing 210011
- P. R. China
| |
Collapse
|
10
|
Zhang FT, Cai LY, Zhou YL, Zhang XX. Immobilization-free DNA-based homogeneous electrochemical biosensors. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.08.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
|
11
|
|
12
|
Tian R, Chen X, Li Q, Yao C. An electrochemical aptasensor electrocatalyst for detection of thrombin. Anal Biochem 2016; 500:73-9. [PMID: 26869084 DOI: 10.1016/j.ab.2016.01.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 01/25/2016] [Accepted: 01/28/2016] [Indexed: 11/17/2022]
Abstract
This work reports a novel signal amplification strategy based on three-dimensional ordered macroporous C60-poly(3,4-ethylenedioxythiophene)-1-butyl-3-methylimidazolium hexafluorophosphate (3DOM C60-PEDOT-[BMIm][BF6]) for ultrasensitive detection of thrombin by cascade catalysis of Au-PEDOT@SiO2 microspheres and alcohol dehydrogenase (ADH). Au-PEDOT@SiO2 microspheres were constructed not only as nanocarriers to anchor the large amounts of secondary thrombin aptamers but also as nanocatalysts to catalyze the oxidation of ethanol efficiently. Significantly, the electrochemical signal was greatly enhanced based on cascade catalysis: First, ADH catalyzed the oxidation of ethanol to acetaldehyde with the concomitant generation of NADH in the presence of β-nicotinamide adenine dinucleotide hydrate (NAD(+)). Then, gold nanoparticles (AuNPs) as nanocatalysts could effectively catalyze NADH to produce NAD(+) with the help of PEDOT as redox probe. Under the optimal conditions, the proposed aptasensor exhibits a linear range of 2 × 10(-13) to 2 × 10(-8) M with a low detection limit of 2 × 10(-14) M for thrombin detection and shows high sensitivity and good specificity.
Collapse
Affiliation(s)
- Rong Tian
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, People's Republic of China; Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China.
| | - Xiaojun Chen
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, People's Republic of China
| | - Qingwen Li
- Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
| | - Cheng Yao
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, People's Republic of China.
| |
Collapse
|
13
|
Zheng Y, Yuan Y, Chai Y, Yuan R. l-cysteine induced manganese porphyrin electrocatalytic amplification with 3D DNA-Au@Pt nanoparticles as nanocarriers for sensitive electrochemical aptasensor. Biosens Bioelectron 2015; 79:86-91. [PMID: 26700580 DOI: 10.1016/j.bios.2015.07.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 07/10/2015] [Accepted: 07/20/2015] [Indexed: 12/21/2022]
Abstract
We successfully applied the novel l-cysteine (RSH) induced manganese porphyrin (MnTPP) electrocatalytic amplification in electrochemical aptasensor for detection of thrombin (TB) with the 3D DNA-Au@Pt nanoparticles (DNA-Au@Pt NPs) as nanocarrier. A further discussion for the suggested mechanism of the reaction involved the MnTPP-catalyzed oxidation of thiols (RSH) to disulfides l-cystine (RSSR) was also discussed in detail in this work. In comparison with traditional H2O2 mediated MnTPP electrocatalytic amplification, the novel reaction with more stable catalytic substrate RSH possessed high catalytic amplification efficiency. In addition, the 3D DNA-Au@Pt NPs could provide abundant binding sites for immobilizing signal tags and enzymes. As a result, the electrochemical signal can be greatly enhanced by the RSH mediated MnTPP electrocatalytic reaction and 3D DNA-Au@Pt NPs. Under optimal conditions, the proposed aptasensor exhibited a wider linear range of 0.1 pM-100 nM with a more sensitive detection limit of 29 fM for TB detection.
Collapse
Affiliation(s)
- Yingning Zheng
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Yali Yuan
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Yaqin Chai
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China.
| | - Ruo Yuan
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China.
| |
Collapse
|
14
|
Kong M, Wang K, Dong R, Gao H. Enzyme catalytic nitration of aromatic compounds. Enzyme Microb Technol 2015; 73-74:34-43. [DOI: 10.1016/j.enzmictec.2015.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 03/06/2015] [Accepted: 03/26/2015] [Indexed: 10/23/2022]
|
15
|
Highly sensitive colorimetric detection of 17β-estradiol using split DNA aptamers immobilized on unmodified gold nanoparticles. Sci Rep 2014; 4:7571. [PMID: 25524368 PMCID: PMC4271257 DOI: 10.1038/srep07571] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 12/02/2014] [Indexed: 11/15/2022] Open
Abstract
Gold nanoparticle (AuNP) based colorimetric aptasensor have been developed for many analytes recently largely because of the ease of detection, high sensitivity, and potential for high-throughput analysis. Most of the target aptamers for detection have short sequences. However, the approach shows poor performance in terms of detection sensitivity for most of the long-sequence aptamers. To address this problem, for the first time, we split the 76 mer aptamer of 17β-estradiol into two short pieces to improve the AuNP based colorimetric sensitivity. Our results showed that the split P1 + P2 still retained the original 76 mer aptamer's affinity and specificity but increased the detection limit by 10-fold, demonstrating that as low as 0.1 ng/mL 17β-estradiol could be detected. The increased sensitivity may be caused by lower aptamer adsorption concentration and a lower affinity to the AuNPs of a short single-strand DNA (ssDNA) sequence. Our study provided a new way to use long-sequence aptamers to develop a highly sensitive AuNP-based colorimetric aptasensor.
Collapse
|
16
|
Jing P, Yi H, Xue S, Chai Y, Yuan R, Xu W. A sensitive electrochemical aptasensor based on palladium nanoparticles decorated graphene-molybdenum disulfide flower-like nanocomposites and enzymatic signal amplification. Anal Chim Acta 2014; 853:234-241. [PMID: 25467464 DOI: 10.1016/j.aca.2014.10.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2014] [Revised: 09/26/2014] [Accepted: 10/06/2014] [Indexed: 11/17/2022]
Abstract
In the present study, with the aggregated advantages of graphene and molybdenum disulfide (MoS2), we prepared poly(diallyldimethylammonium chloride)-graphene/molybdenum disulfide (PDDA-G-MoS2) nanocomposites with flower-like structure, large surface area and excellent conductivity. Furthermore, an advanced sandwich-type electrochemical assay for sensitive detection of thrombin (TB) was fabricated using palladium nanoparticles decorated PDDA-G-MoS2 (PdNPs/PDDA-G-MoS2) as nanocarriers, which were functionalized by hemin/G-quadruplex, glucose oxidase (GOD), and toluidine blue (Tb) as redox probes. The signal amplification strategy was achieved as follows: Firstly, the immobilized GOD could effectively catalyze the oxidation of glucose to gluconolactone, coupling with the reduction of the dissolved oxygen to H2O2. Then, both PdNPs and hemin/G-quadruplex acting as hydrogen peroxide (HRP)-mimicking enzyme could further catalyze the reduction of H2O2, resulting in significant electrochemical signal amplification. So the proposed aptasensor showed high sensitivity with a wide dynamic linear range of 0.0001 to 40 nM and a relatively low detection limit of 0.062 pM for TB determination. The strategy showed huge potential of application in protein detection and disease diagnosis.
Collapse
Affiliation(s)
- Pei Jing
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education (Southwest University), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Huayu Yi
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education (Southwest University), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Shuyan Xue
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education (Southwest University), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education (Southwest University), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education (Southwest University), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Wenju Xu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education (Southwest University), School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| |
Collapse
|
17
|
Wang Q, Song Y, Chai Y, Pan G, Li T, Yuan Y, Yuan R. Electrochemical immunosensor for detecting the spore wall protein of Nosema bombycis based on the amplification of hemin/G-quadruplex DNAzyme concatamers functionalized Pt@Pd nanowires. Biosens Bioelectron 2014; 60:118-23. [DOI: 10.1016/j.bios.2014.03.075] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/29/2014] [Accepted: 03/31/2014] [Indexed: 11/26/2022]
|
18
|
Ping J, Zhou Y, Wu Y, Papper V, Boujday S, Marks RS, Steele TWJ. Recent advances in aptasensors based on graphene and graphene-like nanomaterials. Biosens Bioelectron 2014; 64:373-85. [PMID: 25261843 DOI: 10.1016/j.bios.2014.08.090] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2014] [Revised: 08/14/2014] [Accepted: 08/27/2014] [Indexed: 11/28/2022]
Abstract
Graphene and graphene-like two-dimensional nanomaterials have aroused tremendous research interest in recent years due to their unique electronic, optical, and mechanical properties associated with their planar structure. Aptamers have exhibited many advantages as molecular recognition elements for sensing devices compared to traditional antibodies. The marriage of two-dimensional nanomaterials and aptamers has emerged many ingenious aptasensing strategies for applications in the fields of clinical diagnosis and food safety. This review highlights current advances in the development and application of two-dimensional nanomaterials-based aptasensors with the focus on two main signal-transducing mechanisms, i.e. electrochemical and optical. A special attention is paid to graphene, a one-atom thick layer of graphite with exceptional properties, representing a fastgrowing field of research. In view of the unique properties of two-dimensional nanostructures and their inherent advantages of synthetic aptamers, we expect that high-performance two-dimensional nanomaterials-based aptasensing devices will find extensive applications in environmental monitoring, biomedical diagnostics, and food safety.
Collapse
Affiliation(s)
- Jianfeng Ping
- School of Materials Science & Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Yubin Zhou
- School of Materials Science & Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Yuanyuan Wu
- School of Materials Science & Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Vladislav Papper
- School of Materials Science & Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Souhir Boujday
- Sorbonne Universités, UPMC, Univ Paris 6, UMR CNRS 7197, Laboratoire de Réactivité de Surface, F-75005 Paris, France; CNRS, UMR 7197, Laboratoire de Réactivité de Surface, F-75005 Paris, France
| | - Robert S Marks
- Department of Biotechnology Engineering, and The Ilse Katz Center for Meso and Nanoscale Science, Faculty of Engineering Sciences, Ben Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel
| | - Terry W J Steele
- School of Materials Science & Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore.
| |
Collapse
|
19
|
Huang Y, Liu X, Zhang L, Hu K, Zhao S, Fang B, Chen ZF, Liang H. Nicking enzyme and graphene oxide-based dual signal amplification for ultrasensitive aptamer-based fluorescence polarization assays. Biosens Bioelectron 2014; 63:178-184. [PMID: 25087158 DOI: 10.1016/j.bios.2014.07.036] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 07/16/2014] [Accepted: 07/17/2014] [Indexed: 11/30/2022]
Abstract
In this work, two different configurations for novel amplified fluorescence polarization (FP) aptasensors based on nicking enzyme signal amplification (NESA) and graphene oxide (GO) enhancement have been developed for ultrasensitive and selective detection of biomolecules in homogeneous solution. One approach involves the aptamer-target binding induced the stable hybridization between an aptamer probe and a fluorophore-labeled DNA probe linked to GO, and forms a nicking site-containing duplex DNA region due to the enhancement of base stacking. The second analytical method involves the target induced the assembly of two aptamer subunits into an aptamer-target complex, and then hybridizes with a fluorophore-labeled DNA probe linked to GO, forming a nicking site-containing duplex DNA region. The formation of the duplex DNA region in both methods triggers the NESA process, resulting in the release of many short DNA fragments carrying the fluorophore from GO, generating a significant decrease of the FP value that provides the readout signal for the amplified sensing process. By using the NESA coupled GO enhancement path, the sensitivity of the developed aptasensors can be significantly improved by four orders of magnitude over traditional aptamer-based homogeneous assays. Moreover, these aptasensors also exhibit high specificity for target molecules, which are capable of detecting target molecule in biological samples. Considering these qualities, the proposed FP aptasensors based NESA and GO enhancement can be expected to provide an ultrasensitive platform for amplified analysis of target molecules.
Collapse
Affiliation(s)
- Yong Huang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China; School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China.
| | - Xiaoqian Liu
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China; School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China
| | - Liangliang Zhang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China
| | - Kun Hu
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China
| | - Shulin Zhao
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China; School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China.
| | - Baizong Fang
- School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China
| | - Zhen-Feng Chen
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China
| | - Hong Liang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Guangxi Normal University, Guilin 541004, China; School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China.
| |
Collapse
|
20
|
|
21
|
Wang F, Lu CH, Willner I. From cascaded catalytic nucleic acids to enzyme-DNA nanostructures: controlling reactivity, sensing, logic operations, and assembly of complex structures. Chem Rev 2014; 114:2881-941. [PMID: 24576227 DOI: 10.1021/cr400354z] [Citation(s) in RCA: 494] [Impact Index Per Article: 49.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Fuan Wang
- Institute of Chemistry, The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem , Jerusalem 91904, Israel
| | | | | |
Collapse
|
22
|
Cho S, Park L, Chong R, Kim YT, Lee JH. Rapid and simple G-quadruplex DNA aptasensor with guanine chemiluminescence detection. Biosens Bioelectron 2014; 52:310-6. [PMID: 24080210 PMCID: PMC7126785 DOI: 10.1016/j.bios.2013.09.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Revised: 08/29/2013] [Accepted: 09/07/2013] [Indexed: 02/02/2023]
Abstract
Cost-effective and sensitive aptasensor with guanine chemiluminescence detection capable of simply quantifying thrombin in human serum was developed using thrombin aptamer (TBA), one of the G-quadruplex DNA aptamers, without expensive nanoparticles and complicated procedures. Guanines of G-quadruplex TBA-conjugated carboxyfluorescein (6-FAM) bound with thrombin do not react with 3,4,5-trimethoxylphenylglyoxal (TMPG) in the presence of tetra-n-propylammonium hydroxide (TPA), whereas guanines of free TBA- and TBA-conjugated 6-FAM immobilized on the surface of graphene oxide rapidly react with TMPG to emit light. Thus, guanine chemiluminescence in 5% human serum with thrombin was lower than that without thrombin when TBA-conjugated 6-FAM was added in two samples and incubated for 20 min. In other words, the brightness of guanine chemiluminescence was quenched due to the formation of G-quadruplex TBA-conjugated 6-FAM bound with thrombin in a sample. High-energy intermediate, capable of emitting dim light by itself, formed from the reaction between guanines of TBA and TMPG in the presence of TPA, transfers energy to 6-FAM to emit bright light based on the principle of chemiluminescence energy transfer (CRET). G-quadruplex TBA aptasensor devised using the rapid interaction between TBA-conjugated 6-FAM and thrombin quantified trace levels of thrombin without complicated procedures. The limit of detection (LOD = background + 3 × standard deviation) of G-quadruplex TBA aptasensor with good linear calibration curve, accuracy, precision, and recovery was as low as 12.3 nM in 5% human serum. Using the technology reported in this research, we expect that various types of G-quadruplex DNA aptasensors capable of specifically sensing a target molecule such as ATP, HIV, ochratoxin, potassium ions, and thrombin can be developed.
Collapse
Affiliation(s)
- Sandy Cho
- Luminescent MD, LLC, 20140 Scholar Dr., Hagerstown, MD 21742, United States
| | | | | | | | | |
Collapse
|
23
|
Yuan Y, Chai Y, Yuan R, Zhuo Y, Gan X. An ultrasensitive electrochemical aptasensor with autonomous assembly of hemin-G-quadruplex DNAzyme nanowires for pseudo triple-enzyme cascade electrocatalytic amplification. Chem Commun (Camb) 2014; 49:7328-30. [PMID: 23851915 DOI: 10.1039/c3cc42874e] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We for the first time fabricate a pseudo triple-enzyme cascade electrocatalytic electrochemical aptasensor by using the alcohol dehydrogenase (ADH) as well as the autonomously assembled hemin-G-quadruplex that simultaneously acted as an NADH oxidase and HRP-mimicking DNAzyme.
Collapse
Affiliation(s)
- Yali Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | | | | | | | | |
Collapse
|
24
|
Peng K, Zhao H, Yuan Y, Yuan R, Wu X. Mediator-free triple-enzyme cascade electrocatalytic aptasensor with exonuclease-assisted target recycling and hybridization chain reaction amplification. Biosens Bioelectron 2013; 55:366-71. [PMID: 24419079 DOI: 10.1016/j.bios.2013.12.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 11/22/2013] [Accepted: 12/02/2013] [Indexed: 02/04/2023]
Abstract
The amplified sensitive detection of protein is essential to biomedical research as well as clinical diagnosis. Here, we developed an ultrasensitive mediator-free triple-enzyme cascade electrocatalytic aptasensor for thrombin detection on the basis of exonuclease-assisted target recycling and hybridization chain reaction (HCR) amplification strategy. The double strands constructed by the hybridization of thrombin binding aptamer (S1) with its complementary strand (S2) were firstly assembled on the electrode. Upon addition of target to the system, the S1 recognized thrombin and left off electrode to make space for assembly of hybrid-primer probe (H0). Then, the H0 triggered the HCR to form the multi-functional hemin/G-quadruplex DNAzyme nanowires. In the mediator-free triple-enzyme cascade electrocatalytic amplification system, the hemin/G-quadruplex DNAzyme nanowires here simultaneously played three roles: the redox probe, NADH oxidase and HRP-mimicking DNAzyme, respectively, which effectively avoided the fussy redox probe and enzyme labeling process, serving a useful alternative or supplement to conventional assays that typically suffer from complexity and poor sensitivity. Additionally, in order to improve the assembly amount of hemin/G-quadruplex DNAzyme nanowire, the exonuclease-assisted target recycling amplification was used for the continuous removal of S1. As a result, the proposed method can detect thrombin specifically with a detection limit as low as 20 fM.
Collapse
Affiliation(s)
- Kanfu Peng
- Department of Kidney, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China
| | - Hongwen Zhao
- Department of Kidney, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China
| | - Yali Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ruo Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xiongfei Wu
- Department of Kidney, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China.
| |
Collapse
|
25
|
Sensitive electrochemical aptasensor for thrombin detection based on graphene served as platform and graphene oxide as enhancer. Appl Biochem Biotechnol 2013; 172:1018-26. [PMID: 24142359 DOI: 10.1007/s12010-013-0588-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 10/03/2013] [Indexed: 10/26/2022]
Abstract
A sensitive electrochemical aptasensor was developed with conductive graphene served as platform and inert graphene oxide (GO) as enhancer. An electrodeposited nano-Au layer was firstly formed on conductive graphene modified glass carbon electrode surface for further immobilizing of electrochemical redox probe hexacyanoferrates nanoparticles (NiHCFNPs). Subsequently, another nano-Au layer was formed for immobilizing of thrombin aptamer (TBA). In the presence of thrombin, the TBA on the electrode surface could bind with thrombin, which made a barrier for electrons and inhibited the electro-transfer, resulting in the decreased electrochemical signals of NiHCFNPs. Owing to the non-conductivity property of graphene oxide, further decreased electrochemical signals of NiHCFNPs could be obtained via the sandwich reaction with GO-labeled TBA. According to the signal changes before the thrombin recognition and after sandwich reaction, trace detection of thrombin could be achieved. As a result, the proposed approach showed a high sensitivity and a wider linearity to thrombin in the range from 0.005 nM to 50 nM with a detection limit of 1 pM.
Collapse
|
26
|
Xu Z, He C, Sun T, Wang L. Sensitive Electrochemical Aptasensor for Thrombin Detection with Platinum Nanoparticles, Blocking Reagent-Horseradish Peroxidase and Graphene Oxide as Enhancers. ELECTROANAL 2013. [DOI: 10.1002/elan.201300265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
27
|
Liu J, Guan Z, Lv Z, Jiang X, Yang S, Chen A. Improving sensitivity of gold nanoparticle based fluorescence quenching and colorimetric aptasensor by using water resuspended gold nanoparticle. Biosens Bioelectron 2013; 52:265-70. [PMID: 24064475 DOI: 10.1016/j.bios.2013.08.059] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Revised: 08/29/2013] [Accepted: 08/30/2013] [Indexed: 12/14/2022]
Abstract
Gold nanoparticles (AuNPs) based fluorescence quenching or colorimetric aptasensor have been developed for many analytes recently largely because of the ease of detection, high sensitivity, and potential for high-throughput analysis. However, the effects of remnant non-AuNPs components in the colloid gold solution on these assays performance remain unclear. For the first time, we demonstrated that the remnant sodium citrate and the reaction products of three acids play counteractive roles in AuNPs based fluorescence quenching and colorimetric aptasensor in three ways in this study. First, the remnant sodium citrate in the colloid gold solution could increase the fluorescence intensity of FAM labeled on the aptamer that reduce the efficiency of AuNPs fluorescent quenching. Second, the reaction products of citric acid, HCl and ketoglutaric acid reduce the fluorescence recovery by quenching the fluorescence of FAM labeled on the aptamer dissociated from the surface of AuNPs upon addition of target. Lastly, the reaction products of three acids reduce the pH value of the colloid gold solution that reduce the sensitivity of AuNPs based colorimetric aptasensor by increasing the adsorption of aptamer to surface of AuNPs. With sulfadimethoxine and thrombin as model analytes, we found that water resuspended AuNPs can significantly increase the sensitivity by more than 10-fold for AuNPs based fluorescence quenching aptasensor. In the AuNPs based colorimetric aptasensor for sulfadimethoxine using the water resuspended AuNPs, the sensitivity also was increased by 10-fold compared with that of original AuNPs. The findings in this study provide theoretical guidance for further improving AuNPs based fluorescent quenching and colorimetric aptasensor by adjusting the composition of AuNPs solution.
Collapse
Affiliation(s)
- Jinchuan Liu
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing 100081, China
| | | | | | | | | | | |
Collapse
|
28
|
Wang G, He X, Zhu Y, Chen L, Wang L, Zhang X. G-Quadruplex-Linked Supersandwich DNA Structure for Electrochemical Amplified Detection of Thrombin. ELECTROANAL 2013. [DOI: 10.1002/elan.201300184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
29
|
Zhu C, Dong S. Energetic Graphene-Based Electrochemical Analytical Devices in Nucleic Acid, Protein and Cancer Diagnostics and Detection. ELECTROANAL 2013. [DOI: 10.1002/elan.201300056] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
30
|
Xu J, Wu J, Zong C, Ju H, Yan F. Manganese porphyrin-dsDNA complex: a mimicking enzyme for highly efficient bioanalysis. Anal Chem 2013; 85:3374-9. [PMID: 23427829 DOI: 10.1021/ac4000688] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Manganese porphyrin (MnTMPyP)-dsDNA complex was reported as an excellent mimicking enzyme of peroxidase. It possessed high catalytic activity and much quicker catalytic kinetics and better stability with exposure to light irradiation and high temperature than both horseradish peroxidase and hemin/G-quadruplex DNAzyme. The groove binding of MnTMPyP to the dsDNA scaffold efficiently maintained the catalytic activity of the MnTMPyP center and improved its stability. By combining with an isothermal hybridization chain reaction (HCR) and in situ formation of MnTMPyP-dsDNA, a highly efficient chemiluminescent (CL) immunosensing method was proposed. After a sandwich immunoreaction, a biotinylated DNA strand, which was bound to biotinylated signal antibody by streptavidin, triggered the HCR and growth of MnTMPyP-dsDNA on the immunocomplex. The in situ, HCR-assisted enzyme formation brought numerous enzymatic catalytic centers, MnTMPyP, on the immunocomplex, resulting in significant CL signal amplification and highly sensitive CL detection. Using carcinoembryonic antigen as the model target, the proposed CL immunoassay method showed a wide linear range from 10 pg/mL to 100 ng/mL with a detection limit of 6.8 pg/mL. The new MnTMPyP-dsDNA complex could be conveniently synthesized, functionalized, and combined with DNA amplification strategies, showing a promising potential in bioanalysis and other relative fields.
Collapse
Affiliation(s)
- Jie Xu
- State Key Laboratory of Analytical Chemistry for Life Science, Department of Chemistry, Nanjing University, Nanjing, China
| | | | | | | | | |
Collapse
|
31
|
Xiang Y, Wu P, Tan LH, Lu Y. DNAzyme-functionalized gold nanoparticles for biosensing. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2013; 140:93-120. [PMID: 24026635 DOI: 10.1007/10_2013_242] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recent progress in using DNAzyme-functionalized gold nanoparticles (AuNPs) for biosensing is summarized in this chapter. A variety of methods, including those for attaching DNA on AuNPs, detecting metal ions and small molecules by DNAzyme-functionalized AuNPs, and intracellular applications of DNAzyme-functionalized AuNPs are discussed. DNAzyme-functionalized AuNPs will increasingly play more important roles in biosensing and many other multidisciplinary applications. This chapter covers the recent advancement in biosensing applications of DNAzyme-functionalized gold nanoparticles, including the detection of metal ions, small molecules, and intracellular imaging.
Collapse
Affiliation(s)
- Yu Xiang
- Department of Chemistry and Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | | | | | | |
Collapse
|
32
|
Yuan Y, Liu G, Yuan R, Chai Y, Gan X, Bai L. Dendrimer functionalized reduced graphene oxide as nanocarrier for sensitive pseudobienzyme electrochemical aptasensor. Biosens Bioelectron 2012; 42:474-80. [PMID: 23238321 DOI: 10.1016/j.bios.2012.11.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Revised: 10/25/2012] [Accepted: 11/02/2012] [Indexed: 01/15/2023]
Abstract
A novel sensitive sandwich-type pseudobienzyme aptasensor was developed by dendrimer functionalized reduced graphene oxide (PAMMA-rGO) as nanocarrier and hemin/G-quadruplex as NADH oxidase and HRP-mimicking DNAzyme. Greatly enhanced sensitivity for the target thrombin was achieved by using a dual signal amplification strategy: first, the PAMMA-rGO not only constructed an effective platform for anchoring larger amounts of electron mediator thionine (TH) and hemin/G-quadruplex bioelectrocatalytic complex with high stability and bioactivity but also accelerated the electron transfer process assisted by the conductive rGO with amplified electrochemical signal output. Second, the hemin/G-quadruplex simultaneously acting as an NADH oxidase and HRP-mimicking DNAzyme for constructing pseudobienzyme amplifying system could in situ biocatalyze formation of H₂O₂ with high local concentrations and low transfer loss that lead to obvious signal enhancements. On the basis of the dual signal amplification strategy of PAMMA-rGO and the pseudobienzyme amplifying, the developed aptasensor could respond to 0.1 pM thrombin with a linear calibration range from 0.0002 to 30.0 nM. Compared with protein enzymes assisted bienzyme aptasensor, this new aptasensor avoided the fussy labeling process and the spatial distribution of each sequentially acting enzyme, which provided ideal candidate for the development of sensitive and simple bioanalytical platform.
Collapse
Affiliation(s)
- Yali Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | | | | | | | | | | |
Collapse
|
33
|
Xie S, Chai Y, Yuan R, Bai L, Yuan Y, Wang Y. A dual-amplification aptasensor for highly sensitive detection of thrombin based on the functionalized graphene-Pd nanoparticles composites and the hemin/G-quadruplex. Anal Chim Acta 2012; 755:46-53. [PMID: 23146393 DOI: 10.1016/j.aca.2012.10.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Revised: 09/26/2012] [Accepted: 10/02/2012] [Indexed: 11/18/2022]
Abstract
In this work, an advanced sandwich-type electrochemical aptasensor for thrombin was proposed by integrating hemin/G-quadruplex with functionalized graphene-Pd nanoparticles composites (PdNPs-RGs). The hemin/G-quadruplex formed by intercalating hemin into thrombin binding aptamer (TBA), firstly acted as a NADH oxidase, assisting the oxidation of NADH to NAD(+) accompanying with the generation of H(2)O(2) in the presence of dissolved O(2). Subsequently, the hemin/G-quadruplex acted as HRP-mimicking DNAzyme that rapidly bioelectrocatalyze the reduction of the produced H(2)O(2). At the same time, the Pd nanoparticles supported on p-iodoaniline functionalized graphene were also adopted to catalyze the reduction of H(2)O(2). Thus, with the dual catalysis, a dramatically amplified electrochemical signal could be obtained. Besides, the avidin-biotin system for binding aptamer sequences on electrodes not only improved the sensitivity of thrombin analysis but also obtained an acceptable repeatability of the aptasensor. With several factors mentioned above, a wide linear ranged from 0.1 pM to 50 nM was acquired with a relatively low detection limit of 0.03 pM (defined as S/N=3). These excellent performances provided our approach a promising way for ultrasensitive assay in electrochemical aptasensors.
Collapse
Affiliation(s)
- Shunbi Xie
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | | | | | | | | | | |
Collapse
|
34
|
Dong XY, Mi XN, Zhang L, Liang TM, Xu JJ, Chen HY. DNAzyme-functionalized Pt nanoparticles/carbon nanotubes for amplified sandwich electrochemical DNA analysis. Biosens Bioelectron 2012; 38:337-41. [DOI: 10.1016/j.bios.2012.06.015] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 06/11/2012] [Accepted: 06/12/2012] [Indexed: 12/14/2022]
|
35
|
Xie HP, Meng XX, Su H, Cai QY, Tan YJ, Huang XQ. Ligase-based ultrasensitive detection of DNAzyme cleavage product using molecular beacon. CHINESE CHEM LETT 2012. [DOI: 10.1016/j.cclet.2012.07.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
36
|
Yuan Y, Yuan R, Chai Y, Zhuo Y, Gan X, Bai L. 3,4,9,10-perylenetetracarboxylic acid/hemin nanocomposites act as redox probes and electrocatalysts for constructing a pseudobienzyme-channeling amplified electrochemical aptasensor. Chemistry 2012; 18:14186-91. [PMID: 23001991 DOI: 10.1002/chem.201103960] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Revised: 07/18/2012] [Indexed: 12/28/2022]
Abstract
A simple wet-chemical strategy for the synthesis of 3,4,9,10-perylenetetracarboxylic acid (PTCA)/hemin nanocomposites through π-π interactions is demonstrated. Significantly, the hemin successfully conciliates PTCA redox activity with a pair of well-defined redox peaks and intrinsic peroxidase-like activity, which provides potential application of the PTCA self-derived redox activity as redox probes. Additionally, PTCA/hemin nanocomposites exhibit a good membrane-forming property, which not only avoids the conventional fussy process for redox probe immobilization, but also reduces the participation of the membrane materials that act as a barrier of electron transfer. On the basis of these unique properties, a pseudobienzyme-channeling amplified electrochemical aptasensor is developed that is coupled with glucose oxidase (GOx) for thrombin detection by using PTCA/hemin nanocomposites as redox probes and electrocatalysts. With the addition of glucose to the electrolytic cell, the GOx on the aptasensor surface bioelectrocatalyzed the reduction of glucose to produce H(2)O(2), which in turn was electrocatalyzed by the PTCA/hemin nanocomposites. Cascade schemes, in which an enzyme is catalytically linked to another enzyme, can produce signal amplification and therefore increase the biosensor sensitivity. As a result, a linear relationship for thrombin from 0.005 to 20 nM and a detection limit of 0.001 nM were obtained.
Collapse
Affiliation(s)
- Yali Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
| | | | | | | | | | | |
Collapse
|
37
|
Yang C, Chai Y, Yuan R, Xu W, Zhang T, Jia F. Conjugates of graphene oxide covalently linked ligands and gold nanoparticles to construct silver ion graphene paste electrode. Talanta 2012; 97:406-13. [DOI: 10.1016/j.talanta.2012.04.053] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2012] [Accepted: 04/27/2012] [Indexed: 11/17/2022]
|
38
|
Yuan Y, Yuan R, Chai Y, Zhuo Y, Ye X, Gan X, Bai L. Hemin/G-quadruplex simultaneously acts as NADH oxidase and HRP-mimicking DNAzyme for simple, sensitive pseudobienzyme electrochemical detection of thrombin. Chem Commun (Camb) 2012; 48:4621-3. [PMID: 22466956 DOI: 10.1039/c2cc31423a] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For the first time, hemin/G-quadruplex was employed to simultaneously serve as NADH oxidase and an HRP-mimicking DNAzyme for constructing a simple and sensitive pseudobienzyme-amplifying electrochemical aptasensor for thrombin detection.
Collapse
Affiliation(s)
- Yali Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | | | | | | | | | | | | |
Collapse
|
39
|
DNAzyme-based turn-on chemiluminescence assays in homogenous media. Biosens Bioelectron 2012; 35:489-492. [PMID: 22465444 DOI: 10.1016/j.bios.2012.03.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 03/06/2012] [Accepted: 03/09/2012] [Indexed: 02/02/2023]
Abstract
In this work, novel biosensing systems were developed for DNAzyme-based assays in homogenous aqueous media. The two halves of a horseradish peroxidase mimicking DNAzyme were assembled onto different gold nanoparticle surfaces through hybridization with corresponding linking DNA sequences. In the analyses, the target molecules were recognized by the linking DNA. This recognition broke the hybridization and released the DNAzyme halves from the nanoparticle surface into the solution. Together, both the DNAzyme halves combined with a cofactor hemin and turned into a catalytic hemin/G-quadruplex structure, which amplified the luminol oxidation for a turn-on chemiluminescence signaling. Based on this nanoparticle-based DNAzyme-halves design, only low background noise showed up within the homogenous solution and no separation was required in the detection steps. Aptasensor and DNA sensor were developed and analyses of the target molecules adenosine and target DNA were achieved down to 0.7 μM and 0.3 nM respectively with satisfactory selectivity.
Collapse
|
40
|
Yin XB. Functional nucleic acids for electrochemical and electrochemiluminescent sensing applications. Trends Analyt Chem 2012. [DOI: 10.1016/j.trac.2011.09.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
|
41
|
Palchetti I, Mascini M. Electrochemical nanomaterial-based nucleic acid aptasensors. Anal Bioanal Chem 2012; 402:3103-14. [PMID: 22349328 DOI: 10.1007/s00216-012-5769-1] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2011] [Revised: 01/16/2012] [Accepted: 01/18/2012] [Indexed: 10/28/2022]
Abstract
Recent progress in the development of electrochemical nanomaterial-aptamer-based biosensors is summarized. Aptamers are nucleic acid ligands that can be generated against amino acids, drugs, proteins, and other molecules. They are isolated from a large random library of synthetic nucleic acids by an iterative process of binding, separation, and amplification, called systematic evolution of ligands by exponential enrichment (SELEX). In this review, different methods of integrating aptamers with different nanomaterials and nanoparticles for electrochemical biosensing application are described.
Collapse
Affiliation(s)
- Ilaria Palchetti
- Dipartimento di Chimica, Università degli Studi di Firenze, 50121 Firenze, Italy.
| | | |
Collapse
|
42
|
Qiao Y, Deng J, Jin Y, Chen G, Wang L. Identifying G-quadruplex-binding ligands using DNA-functionalized gold nanoparticles. Analyst 2012; 137:1663-8. [DOI: 10.1039/c2an16051j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
43
|
Zhang H, Jiang B, Xiang Y, Chai Y, Yuan R. Label-free and amplified electrochemical detection of cytokine based on hairpin aptamer and catalytic DNAzyme. Analyst 2011; 137:1020-3. [PMID: 22193340 DOI: 10.1039/c2an15962g] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this work, by incorporating a specific DNAzyme sequence into a hairpin aptamer probe, we describe a label-free and sensitive method for electrochemical detection of cytokines using recombinant human IFN-γ as the model analyte. The hairpin aptamer probes are immobilized on a gold electrode through self-assembly. The presence of IFN-γ opens the hairpin structure and forms the hemin/G-quadruplex peroxidase-mimicking DNAzyme with subsequent addition of hemin. The peroxidase-mimicking DNAzyme catalyzes the electro-reduction of H(2)O(2) and amplifies the current response for IFN-γ detection, which enables the monitoring of IFN-γ at the sub-nanomolar level. The proposed sensor also shows high selectivity towards the target analyte. Our strategy thus opens new opportunities for label-free and amplified detection of different types of cytokines.
Collapse
Affiliation(s)
- Haixia Zhang
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | | | | | | | | |
Collapse
|
44
|
Sen D, Poon LCH. RNA and DNA complexes with hemin [Fe(III) heme] are efficient peroxidases and peroxygenases: how do they do it and what does it mean? Crit Rev Biochem Mol Biol 2011; 46:478-92. [PMID: 21958168 DOI: 10.3109/10409238.2011.618220] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Guanine-rich RNAs and DNAs from chromosomal telomeres and elsewhere that fold into guanine quadruplexes (G-quadruplexes), are found to complex tightly with porphyrins such as N-methylmesoporphyrin IX (NMM) and hemin [Fe(III) heme]. By themselves, these DNAs and RNAs are found to be efficient catalysts for porphyrin metallation. When complexed with hemin, under physiological conditions, these nucleic acids display robust peroxidase (one-electron oxidation), as well as peroxygenase (two-electron oxidation, or oxygen transfer) activity. These surprising catalytic properties, that frequently match the catalytic performance of natural peroxidase and P450 monooxygenase enzymes, have been the subject of significant mechanistic analysis, as well as having found utility in a wide range of biosensing and other applications. This review summarizes recent insights into a surprising yet fundamental property of many RNAs and DNAs, a property with undoubted ramifications for cellular oxidative disease, de novo hemoenzyme design, and our understanding of the evolution of early biocatalytic systems.
Collapse
Affiliation(s)
- Dipankar Sen
- Department of Molecular Biology & Biochemistry, Simon Fraser University, Burnaby, British Columbia, Canada.
| | | |
Collapse
|
45
|
Collie GW, Parkinson GN. The application of DNA and RNA G-quadruplexes to therapeutic medicines. Chem Soc Rev 2011; 40:5867-92. [PMID: 21789296 DOI: 10.1039/c1cs15067g] [Citation(s) in RCA: 461] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The intriguing structural diversity in folded topologies available to guanine-rich nucleic acid repeat sequences have made four-stranded G-quadruplex structures the focus of both basic and applied research, from cancer biology and novel therapeutics through to nanoelectronics. Distributed widely in the human genome as targets for regulating gene expression and chromosomal maintenance, they offer unique avenues for future cancer drug development. In particular, the recent advances in chemical and structural biology have enabled the construction of bespoke selective DNA based aptamers to be used as novel therapeutic agents and access to detailed structural models for structure based drug discovery. In this critical review, we will explore the important underlying characteristics of G-quadruplexes that make them functional, stable, and predictable nanoscaffolds. We will review the current structural database of folding topologies, molecular interfaces and novel interaction surfaces, with a consideration to their future exploitation in drug discovery, molecular biology, supermolecular assembly and aptamer design. In recent years the number of potential applications for G-quadruplex motifs has rapidly grown, so in this review we aim to explore the many future challenges and highlight where possible successes may lie. We will highlight the similarities and differences between DNA and RNA folded G-quadruplexes in terms of stability, distribution, and exploitability as small molecule targets. Finally, we will provide a detailed review of basic G-quadruplex geometry, experimental tools used, and a critical evaluation of the application of high-resolution structural biology and its ability to provide meaningful and valid models for future applications (255 references).
Collapse
Affiliation(s)
- Gavin W Collie
- CRUK Biomolecular Structure Group, The School of Pharmacy, University of London, London, UK WC1N 1AX
| | | |
Collapse
|