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da Silva Arouche T, Lobato JCM, Dos Santos Borges R, de Oliveira MS, de Jesus Chaves Neto AM. Molecular interactions of the Omicron, Kappa, and Delta SARS-CoV-2 spike proteins with quantum dots of graphene oxide. J Mol Model 2024; 30:203. [PMID: 38858279 DOI: 10.1007/s00894-024-05996-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/27/2024] [Indexed: 06/12/2024]
Abstract
CONTEXT The Omicron, Kappa, and Delta variants are different strains of the SARS-CoV-2 virus. Graphene oxide quantum dots (GOQDs) represent a burgeoning class of oxygen-enriched, zero-dimensional materials characterized by their sub-20-nm dimensions. Exhibiting pronounced quantum confinement and edge effects, GOQDs manifest exceptional physical-chemical attributes. This study delves into the potential of graphene oxide quantum dots, elucidating their inherent properties pertinent to the surface structures of SARS-CoV-2, employing an integrated computational approach for the repositioning of inhibitory agents. METHODS Following rigorous adjustment tests, a spectrum of divergent bonding conformations emerged, with particular emphasis placed on identifying the conformation exhibiting optimal adjustment scores and interactions. The investigation employed molecular docking simulations integrating affinity energy evaluations, electrostatic potential clouds, molecular dynamics encompassing average square root calculations, and the computation of Gibbs-free energy. These values quantify the strength of interaction between GOQDs and SARS-CoV-2 spike protein variants. The receptor structures were optimized using the CHARM-GUI server employing force field AMBERFF14SB. The algorithm embedded in CHARMM offers an efficient interpolation scheme and automatic step size selection, enhancing the efficiency of the optimization process. The 3D structures of the ligands are constructed and optimized with density functional theory (DFT) method based on the most stable conformer of each binder. Autodock Vina Software (ADV) was utilized, where essential parameters were specified. Electrostatic potential maps (MEPs) provide a visual depiction of molecules' charge distributions and related properties. After this, molecular dynamics simulations employing the CHARM36 force field in Gromacs 2022.2 were conducted to investigate GOs' interactions with surface macromolecules of SARS-CoV-2 in an explicit aqueous environment. Furthermore, our investigation suggests that lower values indicate stronger binding. Notably, GO-E consistently showed the most negative values across interactions with different variants, suggesting a higher affinity compared to other GOQDs (GO-A to GO-D).
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Affiliation(s)
- Tiago da Silva Arouche
- Laboratory of Preparation and Computing of Nanomaterials (LPCN), Federal University of Pará, C. P. 479, Belém, PA, 66075-110, Brazil
| | - Julio Cesar Mendes Lobato
- Laboratory of Preparation and Computing of Nanomaterials (LPCN), Federal University of Pará, C. P. 479, Belém, PA, 66075-110, Brazil
- Graduate Program in Natural Resources Engineering of the Amazon, ITEC, Federal University of Pará, C. P. 2626, Belém, PA, 66050-540, Brazil
| | - Rosivaldo Dos Santos Borges
- Universidade Federal do Pará, Departamento de Farmácia/Laboratório de Química Farmacêutica, Belem, PA, 66075-110, Brazil
| | | | - Antonio Maia de Jesus Chaves Neto
- Laboratory of Preparation and Computing of Nanomaterials (LPCN), Federal University of Pará, C. P. 479, Belém, PA, 66075-110, Brazil.
- Graduate Program in Natural Resources Engineering of the Amazon, ITEC, Federal University of Pará, C. P. 2626, Belém, PA, 66050-540, Brazil.
- Graduate Program in Chemical Engineering, ITEC, Federal University of Pará, C. P. 479, Belém, PA, 66075-900, Brazil.
- Mestrado Nacional Profissional em Ensino de Física, Federal University of Pará, C. P.479, Belém, PA, 66075-110, Brazil.
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2
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Zermane M, Berkani M, Teniou A, Aminabhavi TM, Vasseghian Y, Catanante G, Lakhdari N, Rhouati A. Modeling approach for Ti 3C 2 MXene-based fluorescent aptasensor for amoxicillin biosensing in water matrices. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 360:121072. [PMID: 38733851 DOI: 10.1016/j.jenvman.2024.121072] [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: 01/22/2024] [Revised: 04/20/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024]
Abstract
Amoxicillin, a member of the penicillin family, is primarily utilized for the treatment of various bacterial infections affecting ears, nose, throat, urinary tract, and skin. Given its widespread application in medicine, agriculture, environment, and food industry, the precise and sensitive detection of amoxicillin is important. This study introduces a novel approach to developing a sensitive and selective fluorescent aptasensor relying on fluorescence resonance energy transfer (FRET) for the specific detection of amoxicillin. The carboxyfluorescein-labeled aptamer serves as a energy donor, while MXene functions as an energy acceptor, and acting as a quencher. To achieve optimal detection efficiency, a dual optimization strategy utilizing RSM-CCD and ANN-GA was used to fine-tune experimental conditions. The fluorescence measurements revealed an expansive linear range extending from 100 to 2400 ng mL-1, accompanied by an exceptionally low detection limit of 1.53 ng mL-1. Additionally, it shows an excellent selectivity towards amoxicillin over other antibiotics commonly found in water matrices. The aptasensor demonstrates good stability and reproducibility; effectiveness of the aptasensor was validated by testing in real water samples. This remarkable sensitivity and broad dynamic range affirm the efficacy aptasensor in accurately detecting varying concentrations of amoxicillin in wastewater bodies.
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Affiliation(s)
- Maroua Zermane
- Bioengineering Laboratory, Higher School of Biotechnology, Ville Universitaire Ali Mendjeli, BP E66, 25100, Constantine, Algeria.
| | - Mohammed Berkani
- Biotechnologies Laboratory, Higher School of Biotechnology, Ville Universitaire Ali Mendjeli, BP E66, 25100, Constantine, Algeria.
| | - Ahlem Teniou
- Bioengineering Laboratory, Higher School of Biotechnology, Ville Universitaire Ali Mendjeli, BP E66, 25100, Constantine, Algeria
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, Karnataka, 580 031, India; Korea University, Seoul, South Korea.
| | - Yasser Vasseghian
- Department of Chemical Engineering and Material Science, Yuan Ze University, Taiwan.
| | | | - Nadjem Lakhdari
- Biotechnologies Laboratory, Higher School of Biotechnology, Ville Universitaire Ali Mendjeli, BP E66, 25100, Constantine, Algeria
| | - Amina Rhouati
- Bioengineering Laboratory, Higher School of Biotechnology, Ville Universitaire Ali Mendjeli, BP E66, 25100, Constantine, Algeria
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3
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Petrucci S, Ramón Codina Garcia-Andrade J, Moutsiopoulou A, Broyles DB, Dikici E, Daunert S, Deo SK. A Bioluminescent Protein-Graphene Oxide Donor-Quencher Pair in DNA Hybridization Assays. Chempluschem 2022; 87:e202200372. [PMID: 36457160 DOI: 10.1002/cplu.202200372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/02/2022] [Indexed: 11/12/2022]
Abstract
Despite fluorescent quenching with graphene oxide (GO) having shown great success in various applications - bioluminescent quenching has not yet been demonstrated using GO as a quencher. To explore the ability of GO to quench bioluminescence, we used Gaussia luciferase (Gluc) as a donor and GO as a quencher and demonstrated its application in sensing of two target analytes, HIV-1 DNA and IFN-γ. We demonstrated that the incubation of Gluc conjugated HIV-1 and IFN-γ oligonucleotide probes with GO provided for monitoring of probe-target interactions based on bioluminescence measurement in a solution phase sensing system. The limits of detection obtained for IFN-γ and HIV-1 DNA detection were 17 nM and 7.59 nM, respectively. Both sensing systems showed selectivity toward the target analyte. The detection of IFN-γ in saliva matrix was demonstrated. The use of GO as a quencher provides for high sensitivity while maintaining the selectivity of designed probes to their respective targets. The use of GO as a quencher provides for an easy assay design and low cost, environmentally friendly reporter.
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Affiliation(s)
- Sabrina Petrucci
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Josep Ramón Codina Garcia-Andrade
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Angeliki Moutsiopoulou
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - David B Broyles
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Emre Dikici
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Sylvia Daunert
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Clinical and Translational Science Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Sapna K Deo
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.,Dr. John T. MacDonald Foundation Biomedical Nanotechnology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
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4
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Niu Y, Ding T, Liu J, Zhang G, Tong L, Cheng X, Yang Y, Chen Z, Tang B. Fluorescence switch of gold nanoclusters stabilized with bovine serum albumin for efficient and sensitive detection of cysteine and copper ion in mice with Alzheimer's disease. Talanta 2021; 223:121745. [PMID: 33298269 DOI: 10.1016/j.talanta.2020.121745] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/25/2020] [Accepted: 10/04/2020] [Indexed: 12/20/2022]
Abstract
The near-infrared fluorescence of gold nanoclusters stabilized with bovine serum albumin (BSA -AuNCs) centered at 675 nm could be enhanced by cysteine and then effectively quenched by copper ion (Cu2+), therefore, cysteine and copper ion could be detected in sequence. At "on" state, fluorescence enhancement of BSA-AuNCs is generated due to the reaction between cysteine and BSA-AuNCs, via filling the surface defect of gold nanoclusters, while Cu2+ can further oxidize the reductive sulfydryl of cysteine and interact with amino acids presented in the BSA chain, inducing gold nanoclusters to aggregate, thus causing "off" state with fluorescence quenching. Fluorescence switch of BSA-AuNCs can be used for cysteine and Cu2+ detection in mice brain with Alzheimer's disease (AD) in vitro, with fast response, high chemical stability and sensitivity. Besides, it was able to image the endogenous Cu2+ in liver and heart of AD mice in situ. The results are promising, especially in the framework of early diagnosis of Alzheimer's disease.
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Affiliation(s)
- Yaxin Niu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Tong Ding
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Junmin Liu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Guanglu Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Lili Tong
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Xiufen Cheng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Yanmei Yang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
| | - Zhenzhen Chen
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China.
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, PR China
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5
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Bidar N, Amini M, Oroojalian F, Baradaran B, Hosseini SS, Shahbazi MA, Hashemzaei M, Mokhtarzadeh A, Hamblin MR, de la Guardia M. Molecular beacon strategies for sensing purpose. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116143] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Gao J, Li Y, Li W, Zeng C, Xi F, Huang J, Cui L. 2'- O-Methyl molecular beacon: a promising molecular tool that permits elimination of sticky-end pairing and improvement of detection sensitivity. RSC Adv 2020; 10:41618-41624. [PMID: 35516551 PMCID: PMC9057772 DOI: 10.1039/d0ra07341e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 10/20/2020] [Indexed: 01/24/2023] Open
Abstract
An innovative 2'-O-methyl molecular beacon (MB) has been designed and prepared with improved thermal stability and unique nuclease resistance. The employment of 2'-O-methyl MBs helps efficiently suppress the background signal, while DNase I is responsible for the signal amplification and elimination of sticky-end pairing. The coupled use of 2'-O-methyl MBs and DNase I makes it possible to develop an enzyme-aided strategy for amplified detection of DNA targets in a sensitive and specific fashion. The analysis requires only mix-and-measure steps that can be accomplished within half an hour. The detection sensitivity is theoretically determined as 27.4 pM, which is nearly 200-fold better than that of the classic MB-based assay. This proposed sensing system also shows desired selectivity. All these features are of great importance for the design and application of MBs in biological, chemical, and biomedical fields.
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Affiliation(s)
- Jiafeng Gao
- Department of Chemistry, Zhejiang Sci-Tech University Hangzhou 310008 P. R. China
| | - Yang Li
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University Guangzhou 510515 P. R. China
| | - Wenqin Li
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University Guangzhou 510515 P. R. China
| | - Chaofei Zeng
- Department of Chemistry, Zhejiang Sci-Tech University Hangzhou 310008 P. R. China
| | - Fengna Xi
- Department of Chemistry, Zhejiang Sci-Tech University Hangzhou 310008 P. R. China
| | - Jiahao Huang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University Guangzhou 510515 P. R. China
| | - Liang Cui
- Department of Chemistry, Zhejiang Sci-Tech University Hangzhou 310008 P. R. China
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7
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Yasun E, Neff B, Trusty T, Boskic L, Mezić I. Electrokinetic mixing in electrode-embedded multiwell plates to improve the diffusion limited kinetics of biosensing platforms. Anal Chim Acta 2020; 1106:79-87. [PMID: 32145858 DOI: 10.1016/j.aca.2020.02.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 01/13/2020] [Accepted: 02/03/2020] [Indexed: 12/13/2022]
Abstract
Rapid and accurate biosensing with low concentrations of the analytes is usually challenged by the diffusion limited reaction kinetics. Thus, as a remedy, long incubation times or excess amounts of the reagents are employed to ensure the reactions to go to completion. Therefore, mixing becomes both a serious problem and necessity to overcome that diffusion limitation and homogenize the samples, especially for the biochemical reactions that take place in multiwell plates. Because the current mixing platforms such as shakers/vortexers, sonicators, magnetic stirrers and acoustic mixers have disadvantages including, but not limited to, being invasive/harfmul to the samples, causing the samples to splash out or stick to the walls of the wells and allowing foreign compartments to enter the solutions in the wells. Here we propose a noninvasive and safer (considering the risk of sample loss) technology that provides electrokinetic-mixing (EKM) of the reagents placed in electrode-embedded multiwell plates where the incubation times, or in other words, the time required for the desired molecules to meet in stationary solutions, can be reduced substantially. In order to demonstrate the power of this innovation, in this specific case, a simple Förster resonance energy transfer (FRET) based quenching bioplatform was adopted, where a molecular beacon DNA (MB) modified with sulfhydryl (-SH) and fluorescein (FITC) dye at opposite terminals was incubated with 10 nm sized gold nanoparticles (AuNPs) in the wells of an electrode-embedded multiwell plate, in which a printed circuit board (PCB) was attached at the bottom to control the liquid flows by EKM. When the MB binds to AuNPs through thiolate chemistry in the solution, FITC dye comes in close proximity to the AuNP surface and the emission is quenched via FRET principle. Thus, this quenching percentage over time was our comparison parameter for the mixing and no mixing cases to demonstrate the impact of mixing on the quenching kinetics. This reaction was conducted with different concentrations of AuNPs to observe the impact of mixing on MB quenching kinetics when the concentrations of the AuNPs were increased. Total quenching efficiency could go up to 90% in the presence of the AuNPs and it took about 60 min to reach stability. When the EKM was involved, fluorescence quenching time for the MBs could be reduced by up to 4.1 times. Thus, it was demonstrated that this technology may improve the kinetics of the diffusion limited biological reactions take place in multiwell plates substantially so that it may be adopted in various different sensing platforms for rapid measurements.
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Affiliation(s)
- Emir Yasun
- Department of Mechanical Engineering and Biological Nanostructures Laboratory, California NanoSystems Institute (CNSI), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA.
| | - Baptiste Neff
- Department of Mechanical Engineering and Biological Nanostructures Laboratory, California NanoSystems Institute (CNSI), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Travis Trusty
- Department of Mechanical Engineering and Biological Nanostructures Laboratory, California NanoSystems Institute (CNSI), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Ljuboslav Boskic
- Department of Mechanical Engineering and Biological Nanostructures Laboratory, California NanoSystems Institute (CNSI), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Igor Mezić
- Department of Mechanical Engineering and Biological Nanostructures Laboratory, California NanoSystems Institute (CNSI), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA.
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8
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Gao Y, Tian J, Zhang X, Qiao B, Cao Y, Wang X, Wu Q. A fluorescence assay for microRNA let-7a by a double-stranded DNA modified gold nanoparticle nanoprobe combined with graphene oxide. Analyst 2020; 145:1190-1194. [DOI: 10.1039/c9an02274k] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A fluorescence switching platform was developed to monitor target microRNA let-7a by coupling dsDNA–AuNPs with the GO nanosheet.
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Affiliation(s)
- Yuanyuan Gao
- State Key Laboratory of Marine Resource Utilization in South China Sea
- College of Material science and Engineering
- Hainan University
- Haikou 570228
- China
| | - Jingjing Tian
- State Key Laboratory of Marine Resource Utilization in South China Sea
- College of Material science and Engineering
- Hainan University
- Haikou 570228
- China
| | - Xing Zhang
- State Key Laboratory of Marine Resource Utilization in South China Sea
- College of Material science and Engineering
- Hainan University
- Haikou 570228
- China
| | - Bin Qiao
- Key Laboratory of Emergency and Trauma of Ministry of Education & Research Unit of Island Emergency Medicine of Chinese Academy of Medical Sciences
- Hainan Medical University
- Haikou 571199
- China
- School of Tropical Medicine and Laboratory Medicine
| | - Yang Cao
- Qiongtai Normal University
- Haikou 571127
- China
| | - Xiaohong Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea
- College of Material science and Engineering
- Hainan University
- Haikou 570228
- China
| | - Qiang Wu
- Key Laboratory of Emergency and Trauma of Ministry of Education & Research Unit of Island Emergency Medicine of Chinese Academy of Medical Sciences
- Hainan Medical University
- Haikou 571199
- China
- School of Tropical Medicine and Laboratory Medicine
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9
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Zhang J, Zhao X, Liu X, Dong C. Enhanced chemical sensing for Cu2+ based on composites of ZIF-8 with small molecules. RSC Adv 2020; 10:13998-14006. [PMID: 35498443 PMCID: PMC9051611 DOI: 10.1039/c9ra10695b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/23/2020] [Indexed: 02/05/2023] Open
Abstract
Two organic molecules, pyridoxal hydrazide (PAH) and salicylaldehyde based Rhodamine B hydrazone (RBS) were integrated into zeolitic imidazolate framework-8 (ZIF-8) to give composites, namely PAH/ZIF-8 and RBS/ZIF-8. The organic molecules and ZIF-8 are proposed to be assembled via hydrogen bonds and π–π stacking in the composites. The mass fraction of PAH and RBS in the composites was calculated to be 21.86% and 29.3%. The fluorescence of PAH/ZIF-8 is quenched regularly by Cu2+. The detection limit for Cu2+ was calculated to be 1.42 nM for PAH/ZIF-8, which is one order of magnitude lower than that of PAH. The detection limit for Cu2+ was determined to be 0.8 μM for RBS/ZIF-8, which is three times lower than that of RBS. The two composites both display high selectivity to Cu2+ over competing metal ions. The PAH/ZIF-8 fluorescent sensor was successfully applied to Cu2+ determination in environmental water. PAH/ZIF-8 exhibits excellent cell membrane permeability and low cytotoxicity in cellular imaging. The enhanced chemical sensor was designed by introducing small molecules into ZIF-8 for the specific recognition of Cu2+. An enhanced chemical sensor was designed by introducing small molecules into ZIF-8 for the specific recognition of Cu2+.![]()
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Affiliation(s)
- Jun Zhang
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Xiuyang Zhao
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Xuefeng Liu
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Chuan Dong
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
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10
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Graphene oxide and enzyme-assisted dual-cycling amplification method for sensitive fluorometric determination of DNA. Mikrochim Acta 2019; 186:716. [PMID: 31654133 DOI: 10.1007/s00604-019-3825-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 09/14/2019] [Indexed: 12/30/2022]
Abstract
A fluorometric method is described for the determination of DNA. It involves the use of graphene oxide (GO), exonuclease III (Exo III), and two specially designed fluorophore-labeled hairpin probes (HP1 and HP2). Different from other GO-based DNA assays, the method takes advantage of the distinct binding abilities of GO with hairpin DNA probes and single nucleotides. GO serves as a strong quencher for fluorescent labels to ensure a very low background signal. Two reaction cycles mediated by Exo III are employed to enhance the signals. The combination of GO-induced quenching and Exo III-mediated dual regeneration of analytes leads to a detection limit as low as 1 pM for the model analyte human hemochromatosis protein (HFE) gene. The method is also applicable for the determination of HFE gene spiked into fetal bovine serum. Graphical abstract Schematic representation of a GO-based, Exo III-assisted method for dual-signal amplified detection of DNA, for which human haemochromatosis protein (HFE) gene is designed as the model target. The assay involves graphene oxide (GO), exonuclease (Exo III), and two specially designed, fluorophore-labelled hairpin probes (HP1 and HP2).
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11
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Qi H, Zhao M, Liang H, Wu J, Huang Z, Hu A, Wang J, Lu Y, Zhang J. Rapid detection of trace Cu 2+ using an l-cysteine based interdigitated electrode sensor integrated with AC electrokinetic enrichment. Electrophoresis 2019; 40:2699-2705. [PMID: 31172539 DOI: 10.1002/elps.201900169] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/02/2019] [Accepted: 06/03/2019] [Indexed: 11/08/2022]
Abstract
Copper is an indispensable trace element for human health. Too much or too little intake of copper ion (Cu2+ ) can lead to its own adverse health conditions. Therefore, detection of Cu2+ is always of vital importance. In this work, a simple sensor was developed for rapid detection of trace Cu2+ in water, in which L-cysteine (Cys) as a molecular probe was self-assembled on a gold interdigital electrode to form a monolayer for specific capture of Cu2+ . The interfacial capacitance of interdigital electrode was detected to indicate the target adsorption level under an AC signal working as the excitation to induce directed movement and enrichment of Cu2+ to the electrode surface. This sensor reached a limit of detection of 4.14 fM and a satisfactory selectivity against eight other ions (Zn2+ , Hg2+ , Pb2+ , Cd2+ , Mg2+ , Fe2+ , As3+ , and As5+ ). Testing of spiked tap water was also performed, demonstrating the sensor's usability. This sensor as well as the detection method shows a great application potential in fields such as environmental monitoring and medical diagnosis.
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Affiliation(s)
- Haochen Qi
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China
| | - Meiqi Zhao
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China
| | - Huaguo Liang
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China
| | - Jayne Wu
- Department of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN, USA
| | - Zhengfeng Huang
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China
| | - Anming Hu
- Department of Mechanical, Aerospace and Biomedical Engineering, The University of Tennessee, Knoxville, TN, USA
| | - Jian Wang
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China
| | - Yingchun Lu
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China
| | - Jian Zhang
- School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, P. R. China.,Department of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN, USA
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12
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Slassi S, Aarjane M, El-Ghayoury A, Amine A. A highly turn-on fluorescent CHEF-type chemosensor for selective detection of Cu 2+ in aqueous media. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 215:348-353. [PMID: 30852282 DOI: 10.1016/j.saa.2019.02.099] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/29/2019] [Accepted: 02/23/2019] [Indexed: 06/09/2023]
Abstract
An efficient "turn on" fluorescence chemosensor Schiff base LH based on the combination of 2-Hydroxy-5-(p-tolyldiazenyl)benzaldehyde and N-(3-Aminopropyl)imidazole was prepared and characterized then evaluated for its selective fluorescent sensing of Cu2+ amongst other metal ions. The CN isomerization inhibition process induced by the Cu2+ binding warrants the chelation-induced enhanced fluorescence (CHEF) effect. In addition, the detection limit sensing of LH for Cu2+ was found to be 1.8 × 10-6 M that is below the WHO recommendation level (20 μM) for drinking water.
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Affiliation(s)
- Siham Slassi
- LCBAE, Equipe Chimie Moléculaire et Molécules Bioactives, Faculté des Sciences Université Moulay Ismail, BP 11201 Zitoune, Meknes, Morocco
| | - Mohammed Aarjane
- LCBAE, Equipe Chimie Moléculaire et Molécules Bioactives, Faculté des Sciences Université Moulay Ismail, BP 11201 Zitoune, Meknes, Morocco
| | - Abdelkrim El-Ghayoury
- Université d'Angers, CNRS UMR 6200, Laboratoire MOLTECH-Anjou, 2 bd Lavoisier, 49045 Angers Cedex, France
| | - Amina Amine
- LCBAE, Equipe Chimie Moléculaire et Molécules Bioactives, Faculté des Sciences Université Moulay Ismail, BP 11201 Zitoune, Meknes, Morocco.
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13
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Bahreyni A, Ramezani M, Alibolandi M, Hassanzadeh P, Abnous K, Taghdisi SM. High affinity of AS1411 toward copper; its application in a sensitive aptasensor for copper detection. Anal Biochem 2019; 575:1-9. [PMID: 30926271 DOI: 10.1016/j.ab.2019.03.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 03/19/2019] [Accepted: 03/24/2019] [Indexed: 12/29/2022]
Abstract
AS1411 is a 26-mer G-rich DNA aptamer which has been broadly employed in the field of targeted drug delivery, due to its capability to bind to nucleolin protein on the surface of cancer cells. In this work, it has been shown for the first time that in addition to nucleolin, AS1411 aptamer could bind to copper ions (Cu2+) with high affinity and selectivity, affecting AS1411 usage in drug delivery systems as a targeting agent. In this study, besides the evaluations of the affinity of AS1411 to different ions and the impact of Cu2+ on targeted drug delivery employed AS1411 aptamer as a targeting agent, a simple and ultra-sensitive fluorescent aptasensor was fabricated for Cu2+ detection through applying AS1411, its complementary strand and magnetic beads coated with streptavidin. Gel Red (GR) was also used as a fluorescent dye. The fabricated aptasensor offered the possibility of condensing samples with different volumes. The detection limit of the sensor was 0.01 μM towards Cu2+ in serum samples. The efficacy of this sensor was further confirmed by comparing Cu2+ levels in serums of healthy people with patients suffering from Wilson's disease, Alzheimer's disease and Diabetes Mellitus using the proposed sensing platform.
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Affiliation(s)
- Amirhossein Bahreyni
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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14
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Li Y, Liu W, Zhu Y, Diao L. A fluorescence method for homogeneous detection of influenza A DNA sequence based on guanine-quadruplex-N-methylmesoporphyrin IX complex and assistance-DNA inhibition. J Med Virol 2019; 91:979-985. [PMID: 30715734 DOI: 10.1002/jmv.25422] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 11/20/2018] [Accepted: 12/07/2018] [Indexed: 12/31/2022]
Abstract
In his study, we report a fluorescence method for homogeneous detection of influenza A (H1N1) DNA sequence based on G-quadruplex-NMM complex and assistance-DNA (A-DNA) inhibition. The quadruplex-based functional DNA (QBF-DNA), composed of a complementary probe to the target H1N1 DNA sequence and G-rich fragment, was designed as the signal DNA. The A-DNA consisted of two parts, one part was complementary to target H1N1 DNA and the other part was complementary to the signal DNA. In the absence of target H1N1 DNA, the G-rich fragment of QBF-DNA can form G-quadruplex-NMM complex, which outputted a fluorescent signal. With the presence of target H1N1 DNA, QBF-DNA, and A-DNA can simultaneously hybridize with target H1N1 DNA to form double-helix structure. In this case, the A-DNA partially hybridized with the QBF-DNA, which inhibited the formation of G-quadruplex-NMM complex, leading to the decrease of fluorescent signal. Under the optimum conditions, the fluorescence intensity was inversely proportional to the concentration of target H1N1 DNA over the range from 25 to 700 pmol/L with a detection limit of 8 pmol/L. In addition, the method is target specific and practicability, and would become a new diagnostic assay for H1N1 DNA sequence and other infectious diseases.
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Affiliation(s)
- Yubin Li
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, China
| | - Wanshan Liu
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, China
| | - Yinling Zhu
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, China
| | - Liping Diao
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, China
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15
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Widada H, Rohman A, Jenie RI. Optimization of Graphene Oxide-based Quencher-free Molecular Beacon for Meat Product Authentication. Pak J Biol Sci 2019; 22:220-225. [PMID: 31930865 DOI: 10.3923/pjbs.2019.220.225] [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: 06/10/2023]
Abstract
BACKGROUND AND OBJECTIVE Sensitivity is very important in DNA detection. Various attempts have been made to increase detection sensitivity, including increasing the detection capabilities of devices and using DNA probes. This study was aimed to develop a DNA detection method using a quencher-free molecular beacon (QFMB) probe with the help of graphene oxide (GO) as a quencher. MATERIALS AND METHODS The GO has the specific ability to adsorb DNA in the form of a single strand but not in a double strand. The optimum interaction between the MB probe and the target DNA (pig DNA) could produce a double-stranded DNA (dsDNA) so that it is detached from the GO surface. The dsDNA that escapes from the surface of the GO can be detected using a spectrofluorometric technique at an excitation wavelength of 482 nm and an emission of 519 nm, with an intensity comparable to its concentration. RESULTS The optimum condition that can be used is a GO concentration of 5 μg mL-1, a reaction temperature of 65°C, an incubation time of 6 min, a reaction pH of 7.5 and cation levels of 40 nM. Analysis of the target pork meatball DNA carried out at a concentration interval of 0-500 pg mL-1. CONCLUSION So it was concluded that the DNA detection system uses a combination of a quencher-free molecular beacon and graphene oxide, providing a good prospect to be developed into a new method in the halal authentication of meat products using the spectrofluorometric method.
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16
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Zhai TT, Ye D, Shi Y, Zhang QW, Qin X, Wang C, Xia XH. Plasmon Coupling Effect-Enhanced Imaging of Metal Ions in Living Cells Using DNAzyme Assembled Core-Satellite Structures. ACS APPLIED MATERIALS & INTERFACES 2018; 10:33966-33975. [PMID: 30113806 DOI: 10.1021/acsami.8b11477] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We demonstrate a core-satellite plasmonic nanoprobe assembled via metal-ion-dependent DNA-cleaving DNAzyme linker for imaging intercellular metal ion based on plasmon coupling effect at a single-particle level. As metal ions are present in the system, the DNAzyme linker will be cleaved, and thus, disassembly of the core-satellite nanoprobes occurs, which results in distinct blue shift of the scattering spectra of Au core-satellite probes and naked color change of the scattering light. This change in scattering spectra has been supported by theoretical simulations. As a proof of concept, sensitive detection of Cu2+ with a limit of detection down to 67.2 pM has been demonstrated. The nanoprobes have been further utilized for intracellular Cu2+ imaging in living cells. The results demonstrate that the present strategy provides a promising platform for detection and imaging of metal ions in living cells and could be potentially applied to imaging other interesting target molecules simply by substituting the oligonucleotide sequence.
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Affiliation(s)
- Ting-Ting Zhai
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering and Collaborative Innovation Center of Chemistry for Life Sciences , Nanjing University , Nanjing 210023 , China
| | - Dekai Ye
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering and Collaborative Innovation Center of Chemistry for Life Sciences , Nanjing University , Nanjing 210023 , China
| | - Yi Shi
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering and Collaborative Innovation Center of Chemistry for Life Sciences , Nanjing University , Nanjing 210023 , China
| | - Qian-Wen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering and Collaborative Innovation Center of Chemistry for Life Sciences , Nanjing University , Nanjing 210023 , China
| | - Xiang Qin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering and Collaborative Innovation Center of Chemistry for Life Sciences , Nanjing University , Nanjing 210023 , China
| | - Chen Wang
- School of Science , China Pharmaceutical University , Nanjing 211198 , China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering and Collaborative Innovation Center of Chemistry for Life Sciences , Nanjing University , Nanjing 210023 , China
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17
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Two-dimensional nanomaterial based sensors for heavy metal ions. Mikrochim Acta 2018; 185:478. [DOI: 10.1007/s00604-018-3005-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 09/09/2018] [Indexed: 01/28/2023]
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18
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Yang L, Zeng M, Du Y, Wang L, Peng B. Ratiometric fluorescence detection of Cu
2+
based on carbon dots/bovine serum albumin–Au nanoclusters. LUMINESCENCE 2018; 33:1268-1274. [DOI: 10.1002/bio.3545] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 06/11/2018] [Accepted: 07/17/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Li Yang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical EngineeringJiangxi Normal University 99 Ziyang Road Nanchang China
| | - Mulan Zeng
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical EngineeringJiangxi Normal University 99 Ziyang Road Nanchang China
| | - Yue Du
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical EngineeringJiangxi Normal University 99 Ziyang Road Nanchang China
| | - Li Wang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical EngineeringJiangxi Normal University 99 Ziyang Road Nanchang China
| | - Bingxian Peng
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical EngineeringJiangxi Normal University 99 Ziyang Road Nanchang China
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19
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Fabrication of fluorescent biosensing platform based on graphene oxide-DNA and their application in biomolecule detection. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.07.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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20
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21
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Park Y, Lee CY, Park KS, Park HG. Enzyme-Free Colorimetric Detection of Cu2+by Utilizing Target-Triggered DNAzymes and Toehold-Mediated DNA Strand Displacement Events. Chemistry 2017; 23:17379-17383. [DOI: 10.1002/chem.201704346] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Yeonkyung Park
- Department of Chemical and Biomolecular; Engineering (BK21+ Program); KAIST; 291 Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
| | - Chang Yeol Lee
- Department of Chemical and Biomolecular; Engineering (BK21+ Program); KAIST; 291 Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
| | - Ki Soo Park
- Department of Biological Engineering, College of Engineering; Konkuk University; Seoul 05029 Republic of Korea
| | - Hyun Gyu Park
- Department of Chemical and Biomolecular; Engineering (BK21+ Program); KAIST; 291 Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
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22
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Yu R, Shi Y, Yang D, Liu Y, Qu J, Yu ZZ. Graphene Oxide/Chitosan Aerogel Microspheres with Honeycomb-Cobweb and Radially Oriented Microchannel Structures for Broad-Spectrum and Rapid Adsorption of Water Contaminants. ACS APPLIED MATERIALS & INTERFACES 2017; 9:21809-21819. [PMID: 28589721 DOI: 10.1021/acsami.7b04655] [Citation(s) in RCA: 151] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Multifunctional graphene oxide (GO)/chitosan (CS) aerogel microspheres (GCAMs) with honeycomb-cobweb and radially oriented microchannel structures are prepared by combining electrospraying with freeze-casting to optimize adsorption performances of heavy metal ions and soluble organic pollutants. The GCAMs exhibit superior adsorption capacities of heavy metal ions of Pb(II), Cu(II), and Cr(VI), cationic dyes of methylene blue (MB) and Rhodamine B, anionic dyes of methyl orange and Eosin Y, and phenol. It takes only 5 min to reach 82 and 89% of equilibrium adsorption capacities for Cr(VI) (292.8 mg g-1) and MB (584.6 mg g-1), respectively, much shorter than the adsorption equilibrium time (75 h) of a GO/CS monolith. More importantly, the GCAMs maintain excellent adsorption capacity for six cycles of adsorption-desorption. The broad-spectrum, rapid, and reusable adsorption performance makes the GCAMs promising for highly efficient water treatments.
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Affiliation(s)
- Ruomeng Yu
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering and ‡Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, China
| | - Yongzheng Shi
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering and ‡Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, China
| | - Dongzhi Yang
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering and ‡Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, China
| | - Yaxin Liu
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering and ‡Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, China
| | - Jin Qu
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering and ‡Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, China
| | - Zhong-Zhen Yu
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering and ‡Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, China
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23
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Huang J, Su X, Li Z. Metal ion detection using functional nucleic acids and nanomaterials. Biosens Bioelectron 2017; 96:127-139. [PMID: 28478384 DOI: 10.1016/j.bios.2017.04.032] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 12/25/2022]
Abstract
Metal ion detection is critical in a variety of areas. The past decade has witnessed great progress in the development of metal ion sensors using functional nucleic acids (FNAs) and nanomaterials. The former has good recognition selectivity toward metal ions and the latter possesses unique properties for enhancing the performance of metal ion sensors. This review offers a summary of FNA- and nanomaterial-based metal ion detection methods. FNAs mainly include DNAzymes, G-quadruplexes, and mismatched base pairs and nanomaterials cover gold nanoparticles (GNPs), quantum dots (QDs), carbon nanotubes (CNTs), and graphene oxide (GO). The roles of FNAs and nanomaterials are introduced first. Then, various methods based on the combination of different FNAs and nanomaterials are discussed. Finally, the challenges and future directions of metal ion sensors are presented.
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Affiliation(s)
- Jiahao Huang
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
| | - Xuefen Su
- School of Public Health and Primary Care, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Zhigang Li
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
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24
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Ge J, Dong ZZ, Bai DM, Zhang L, Hu YL, Ji DY, Li ZH. A novel label-free fluorescent molecular beacon for the detection of 3′–5′ exonuclease enzymatic activity using DNA-templated copper nanoclusters. NEW J CHEM 2017. [DOI: 10.1039/c7nj01761h] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A label-free biosensor was developed for highly sensitive and selective determination of Exo III based on poly(T) molecular beacon-templated CuNPs.
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Affiliation(s)
- Jia Ge
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Zhen-Zhen Dong
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Dong-Mei Bai
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Lin Zhang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Ya-Lei Hu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Dan-Yang Ji
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Zhao-Hui Li
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
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25
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Wang H, Lu Q, Hou Y, Liu Y, Zhang Y. High fluorescence S, N co-doped carbon dots as an ultra-sensitive fluorescent probe for the determination of uric acid. Talanta 2016; 155:62-9. [DOI: 10.1016/j.talanta.2016.04.020] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 04/08/2016] [Accepted: 04/09/2016] [Indexed: 12/29/2022]
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26
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Fluorescent assay for alkaline phosphatase activity based on graphene oxide integrating with λ exonuclease. Biosens Bioelectron 2016; 81:460-464. [DOI: 10.1016/j.bios.2016.03.030] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 02/27/2016] [Accepted: 03/14/2016] [Indexed: 11/19/2022]
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27
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Huang J, Wu J, Li Z. Molecular beacon-based enzyme-free strategy for amplified DNA detection. Biosens Bioelectron 2016; 79:758-62. [DOI: 10.1016/j.bios.2016.01.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 12/29/2015] [Accepted: 01/05/2016] [Indexed: 12/18/2022]
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28
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Qing Z, Zhu L, Yang S, Cao Z, He X, Wang K, Yang R. In situ formation of fluorescent copper nanoparticles for ultrafast zero-background Cu 2+ detection and its toxicides screening. Biosens Bioelectron 2016; 78:471-476. [DOI: 10.1016/j.bios.2015.11.057] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 11/12/2015] [Accepted: 11/20/2015] [Indexed: 01/09/2023]
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29
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30
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Huang J, Wang Z, Kim JK, Su X, Li Z. Detecting Arbitrary DNA Mutations Using Graphene Oxide and Ethidium Bromide. Anal Chem 2015; 87:12254-61. [DOI: 10.1021/acs.analchem.5b03369] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Jiahao Huang
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Zhenyu Wang
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Jang-Kyo Kim
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Xuefen Su
- School of Public
Health and Primary Care, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong,
Shatin, New Territories, Hong Kong
| | - Zhigang Li
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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31
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Zhan S, Xu H, Zhang W, Zhan X, Wu Y, Wang L, Zhou P. Sensitive fluorescent assay for copper (II) determination in aqueous solution using copper-specific ssDNA and Sybr Green I. Talanta 2015; 142:176-82. [DOI: 10.1016/j.talanta.2015.04.037] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 04/04/2015] [Accepted: 04/12/2015] [Indexed: 12/18/2022]
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32
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Zhu G, Zhang CY. Functional nucleic acid-based sensors for heavy metal ion assays. Analyst 2015; 139:6326-42. [PMID: 25356810 DOI: 10.1039/c4an01069h] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Heavy metal contaminants such as lead ions (Pb(2+)), mercury ions (Hg(2+)) and silver ions (Ag(+)) can cause significant harm to humans and generate enduring bioaccumulation in ecological systems. Even though a variety of methods have been developed for Pb(2+), Hg(2+) and Ag(+) assays, most of them are usually laborious and time-consuming with poor sensitivity. Due to their unique advantages of excellent catalytic properties and high affinity for heavy metal ions, functional nucleic acids such as DNAzymes and aptamers show great promise in the development of novel sensors for heavy metal ion assays. In this review, we summarize the development of functional nucleic acid-based sensors for the detection of Pb(2+), Hg(2+) and Ag(+), and especially focus on two categories including the direct assay and the amplification-based assay. We highlight the emerging trends in the development of sensitive and selective sensors for heavy metal ion assays as well.
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Affiliation(s)
- Guichi Zhu
- Single-Molecule Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Guangdong 518055, China.
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33
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Song Y, Hu D, Liu F, Chen S, Wang L. Fabrication of fluorescent SiO2@zeolitic imidazolate framework-8 nanosensor for Cu2+ detection. Analyst 2015; 140:623-9. [DOI: 10.1039/c4an01773k] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The formation of core–shell SiO2@ZIF-8 nanostructures for Cu2+ detection is reported here.
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Affiliation(s)
- Yonghai Song
- Key Laboratory of Functional Small Organic Molecule
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Dongqin Hu
- Key Laboratory of Functional Small Organic Molecule
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Fenfen Liu
- Key Laboratory of Functional Small Organic Molecule
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Shouhui Chen
- Key Laboratory of Functional Small Organic Molecule
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Li Wang
- Key Laboratory of Functional Small Organic Molecule
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
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34
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Huang J, Ye L, Gao X, Li H, Xu J, Li Z. Molybdenum disulfide-based amplified fluorescence DNA detection using hybridization chain reactions. J Mater Chem B 2015; 3:2395-2401. [DOI: 10.1039/c4tb01986e] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple, sensitive, and selective amplified fluorescence DNA detection strategyviaenzyme-free molybdenum disulfide-assisted hybridization chain reactions.
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Affiliation(s)
- Jiahao Huang
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
| | - Lei Ye
- Department of Electronic Engineering
- Materials Science and Technology Research Center
- The Chinese University of Hong Kong
- China
| | - Xiang Gao
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
| | - Hao Li
- Department of Electronic Engineering
- Materials Science and Technology Research Center
- The Chinese University of Hong Kong
- China
| | - Jianbin Xu
- Department of Electronic Engineering
- Materials Science and Technology Research Center
- The Chinese University of Hong Kong
- China
| | - Zhigang Li
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
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35
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Abstract
In this critical review, we present the recent advances in the design and fabrication of graphene/nucleic acid nanobiointerfaces, as well as the fundamental understanding of their interfacial properties and various nanobiotechnological applications.
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Affiliation(s)
- Longhua Tang
- State Key Laboratory of Modern Optical Instrumentation
- Department of Optical Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Ying Wang
- Department of Chemistry
- Shanghai Key Laboratory of Chemical Assessment and Sustainability
- UNEP-Tongji Institute of Environment for Sustainable Development
- Tongji University
- Shanghai
| | - Jinghong Li
- Department of Chemistry
- Beijing Key Laboratory for Microanalytical Methods and Instrumentation
- Tsinghua University
- Beijing 100084
- China
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36
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Qing Z, Mao Z, Qing T, He X, Zou Z, He D, Shi H, Huang J, Liu J, Wang K. Visual and portable strategy for copper(II) detection based on a striplike poly(thymine)-caged and microwell-printed hydrogel. Anal Chem 2014; 86:11263-8. [PMID: 25325821 DOI: 10.1021/ac502843t] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Due to its importance to develop strategies for copper(II) (Cu(2+)) detection, we here report a visual and portable strategy for Cu(2+) detection based on designing and using a strip-like hydrogel. The hydrogel is functionalized through caging poly(thymine) as probes, which can effectively template the formation of fluorescent copper nanoparticles (CuNPs) in the presence of the reductant (ascorbate) and Cu(2+). On the hydrogel's surface, uniform wells of microliter volume (microwells) are printed for sample-injection. When the injected sample is stained by Cu(2+), fluorescent CuNPs will be in situ templated by poly T in the hydrogel. With ultraviolet (UV) irradiation, the red fluorescence of CuNPs can be observed by naked-eye and recorded by a common camera without complicated instruments. Thus, the strategy integrates sample-injection, reaction and indication with fast signal response, providing an add-and-read manner for visual and portable detection of Cu(2+), as well as a strip-like strategy. Detection ability with a detectable minimum concentration of 20 μM and practically applicable properties have been demonstrated, such as resistance to environmental interference and good constancy, indicating that the strategy holds great potential and significance for popular detection of Cu(2+), especially in remote regions. We believe that the strip-like hydrogel-based methodology is also applicable to other targets by virtue of altering probes.
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Affiliation(s)
- Zhihe Qing
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University , Changsha 410082, P. R. China
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37
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Wang F, Li Y, Li W, Chen J, Zhang Q, Anjum Shahzad S, Yu C. A fluorescence turn-on detection of copper(II) based on the template-dependent click ligation of oligonucleotides. Talanta 2014; 132:72-6. [PMID: 25476281 DOI: 10.1016/j.talanta.2014.08.064] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 08/22/2014] [Accepted: 08/27/2014] [Indexed: 12/16/2022]
Abstract
In this work, a fluorescence turn-on method for copper(II) detection is reported. A molecular beacon (MB) was designed as a template. Cu(2+) was reduced to Cu(+) in the presence of a reductant (ascorbic acid). Two short single-stranded oligonucleotides one was labeled with a 5'-alkyne and the other with 3'-azide group, proceeded a template-dependent chemical ligation through the Cu(I)-catalyzed azide-alkyne cycloaddition. The newly generated click-ligated long chain oligonucleotide, which was complementary to the MB, opened the MB hairpin structure and resulted in a turn on fluorescence. The increase in fluorescence intensity is directly proportional to the amount of Cu(2+) added to the assay solution. The present assay is quite sensitive and allows the detection of 2 nM Cu(2+). The described assay also exhibits high selectivity over other metal ions.
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Affiliation(s)
- Fangyuan Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yongxin Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Wenying Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Jian Chen
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Qingfeng Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Sohail Anjum Shahzad
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan
| | - Cong Yu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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38
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Qing Z, Qing T, Mao Z, He X, Wang K, Zou Z, Shi H, He D. dsDNA-specific fluorescent copper nanoparticles as a “green” nano-dye for polymerization-mediated biochemical analysis. Chem Commun (Camb) 2014; 50:12746-8. [DOI: 10.1039/c4cc05101g] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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39
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Liu Z, Liu B, Ding J, Liu J. Fluorescent sensors using DNA-functionalized graphene oxide. Anal Bioanal Chem 2014; 406:6885-902. [PMID: 24986027 DOI: 10.1007/s00216-014-7888-3] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 04/23/2014] [Accepted: 05/12/2014] [Indexed: 01/13/2023]
Abstract
In the past few years, graphene oxide (GO) has emerged as a unique platform for developing DNA-based biosensors, given the DNA adsorption and fluorescence-quenching properties of GO. Adsorbed DNA probes can be desorbed from the GO surface in the presence of target analytes, producing a fluorescence signal. In addition to this initial design, many other strategies have been reported, including the use of aptamers, molecular beacons, and DNAzymes as probes, label-free detection, utilization of the intrinsic fluorescence of GO, and the application of covalently linked DNA probes. The potential applications of DNA-functionalized GO range from environmental monitoring and cell imaging to biomedical diagnosis. In this review, we first summarize the fundamental surface interactions between DNA and GO and the related fluorescence-quenching mechanism. Following that, the various sensor design strategies are critically compared. Problems that must be overcome before this technology can reach its full potential are described, and a few future directions are also discussed.
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Affiliation(s)
- Zhenbao Liu
- School of Pharmaceutical Sciences, Central South University, Changsha, 410013, Hunan, China
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40
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Deng X, Tang H, Jiang J. Recent progress in graphene-material-based optical sensors. Anal Bioanal Chem 2014; 406:6903-16. [DOI: 10.1007/s00216-014-7895-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/07/2014] [Accepted: 05/13/2014] [Indexed: 12/11/2022]
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41
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Miao X, Guo X, Xiao Z, Ling L. Electrochemical molecular beacon biosensor for sequence-specific recognition of double-stranded DNA. Biosens Bioelectron 2014; 59:54-7. [PMID: 24690562 DOI: 10.1016/j.bios.2014.03.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 02/16/2014] [Accepted: 03/03/2014] [Indexed: 01/03/2023]
Abstract
Direct recognition of double-stranded DNA (dsDNA) was crucial to disease diagnosis and gene therapy, because DNA in its natural state is double stranded. Here, a novel sensor for the sequence-specific recognition of dsDNA was developed based on the structure change of ferrocene (Fc) redox probe modified molecular beacon (MB). For constructing such a sensor, gold nanoparticles (AuNPs) were initially electrochemical-deposited onto glass carbon electrode (GCE) surface to immobilize thiolated MB in their folded states with Au-S bond. Hybridization of MB with target dsDNA induced the formation of parallel triplex DNA and opened the stem-loop structure of it, which resulted in the redox probe (Fc) away from the electrode and triggered the decrease of current signals. Under optimal conditions, dsDNA detection could be realized in the range from 350 pM to 25 nM, with a detection limit of 275 pM. Moreover, the proposed method has good sequence-specificity for target dsDNA compared with single base pair mismatch and two base pairs mismatches.
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Affiliation(s)
- Xiangmin Miao
- School of Life Science, Jiangsu Normal University, Xuzhou 221116, PR China.
| | - Xiaoting Guo
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Zhiyou Xiao
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Liansheng Ling
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China.
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42
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Huang J, Gao X, Jia J, Kim JK, Li Z. Graphene Oxide-Based Amplified Fluorescent Biosensor for Hg2+ Detection through Hybridization Chain Reactions. Anal Chem 2014; 86:3209-15. [DOI: 10.1021/ac500192r] [Citation(s) in RCA: 206] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jiahao Huang
- Department
of Mechanical
and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Xiang Gao
- Department
of Mechanical
and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Jingjing Jia
- Department
of Mechanical
and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Jang-Kyo Kim
- Department
of Mechanical
and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Zhigang Li
- Department
of Mechanical
and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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43
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Shi X, Gu W, Peng W, Li B, Chen N, Zhao K, Xian Y. Sensitive Pb(2+) probe based on the fluorescence quenching by graphene oxide and enhancement of the leaching of gold nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2014; 6:2568-2575. [PMID: 24476458 DOI: 10.1021/am405012k] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A novel strategy was developed for fluorescent detection of Pb(2+) in aqueous solution based on the fact that graphene oxide (GO) could quench the fluorescence of amino pyrene (AP)-grafted gold nanoparticles (AP-AuNPs) and Pb(2+) could accelerate the leaching rate of AuNPs in the presence of S2O3(2-). In this system, fluorescence reporter AP was grafted on AuNPs through the Au-N bond. In the presence of GO, the system shows fluorescence quenching because of π-π stacking between AP and GO. With the addition of Pb(2+) and S2O3(2-), the system displays fluorescence recovery, which is attributed to the fact that Pb(2+) could accelerate the leaching of the AuNPs from GO surfaces and release of AP into aqueous solution. Interestingly, the concentration of GO could control the fluorescence "turn-off" or "turn-on" for Pb(2+) detection. In addition, GO is also an excellent promoter for the acceleration of the leaching of AuNPs and shortening the analytical time to ∼15 min. Under the optimal conditions, the fluorescence Pb(2+) sensor shows a linear range from 2.0 × 10(-9) to 2.3 × 10(-7) mol/L, with a detection limit of 1.0 × 10(-10) mol/L.
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Affiliation(s)
- Xinhao Shi
- Department of Chemistry, East China Normal University , Shanghai 200062, People's Republic of China
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44
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Jung YK, Lee T, Shin E, Kim BS. Highly tunable aptasensing microarrays with graphene oxide multilayers. Sci Rep 2013; 3:3367. [PMID: 24284474 PMCID: PMC3842537 DOI: 10.1038/srep03367] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 11/13/2013] [Indexed: 11/09/2022] Open
Abstract
A highly tunable layer-by-layer (LbL)-assembled graphene oxide (GO) array has been devised for high-throughput multiplex protein sensing. In this array, the fluorescence of different target-bound aptamers labeled with dye is efficiently quenched by GO through fluorescence resonance energy transfer (FRET), and simultaneous multiplex target detection is performed by recovering the quenched fluorescence caused by specific binding between an aptamer and a protein. Thin GO films consisting of 10 bilayers displayed a high quenching ability, yielding over 85% fluorescence quenching with the addition of a 2 μM dye-labeled aptamer. The limit for human thrombin detection in the 6- and 10-bilayered GO array is estimated to be 0.1 and 0.001 nM, respectively, indicating highly tunable nature of LbL assembled GO multilayers in controlling the sensitivity of graphene-based FRET aptasensor. Furthermore, the GO chip could be reused up to four times simply by cleaning it with distilled water.
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Affiliation(s)
- Yun Kyung Jung
- Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Eonyang-eup, Ulju-gun, Ulsan 689-798, Republic of Korea
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45
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Balcioglu M, Rana M, Yigit MV. Doxorubicin loading on graphene oxide, iron oxide and gold nanoparticle hybrid. J Mater Chem B 2013; 1:6187-6193. [DOI: 10.1039/c3tb20992j] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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