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Kang X, Yu M, Xu Y, Cao Z, Balme S, Ma T. Nanochannel functionalization using POFs: Progress and prospects. Adv Colloid Interface Sci 2025; 342:103533. [PMID: 40318384 DOI: 10.1016/j.cis.2025.103533] [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: 01/13/2025] [Revised: 04/23/2025] [Accepted: 04/25/2025] [Indexed: 05/07/2025]
Abstract
Biomimetic nanochannels, inspired by natural ion channels found in living organisms, are synthetic systems designed to replicate the highly selective and efficient ion/molecule transport processes essential for various biological functions. These artificial channels mimic the structural and functional properties of their biological counterparts, offering precise control over ion and molecular transport. Porous organic framework materials (POFs), including metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), have emerged as promising materials for functionalizing nanochannels due to their unique structures and exceptional properties. This functionalization strategy not only enhances the performance of synthetic nanochannels but also broadens their application potential across various fields. This review comprehensively examines the recent progress in the preparation and application of POFs stereoscopic-functionalized solid nanochannels. Special emphasis is placed on their practical applications, including proton conduction, ion-selective membranes, photo-responsive materials, sensing and detection, chiral separation, and catalysis. Finally, the future development prospects and challenges in this research area are discussed, highlighting opportunities for advancing the design and application of biomimetic nanochannels.
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Affiliation(s)
- Xuan Kang
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation & Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China
| | - Mingyi Yu
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation & Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China
| | - Yuan Xu
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation & Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China
| | - Zhong Cao
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation & Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China
| | - Sebastien Balme
- Institut Européen des Membranes, UMR5635 UM ENSM CNRS, Place Eugène Bataillon, 34095 Montpellier, Cedex 5, France
| | - Tianji Ma
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation & Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
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2
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Li P, Zhao J, Liang D, Peng C, Zhu J, Yeom B, Wang Z, Zhao Y, Ma W. Construction of Biomimetic Nanochannel, Property Regulation, and Biomarker Detection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2025:e2501740. [PMID: 40296334 DOI: 10.1002/smll.202501740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2025] [Revised: 04/03/2025] [Indexed: 04/30/2025]
Abstract
The significance of biomimetic nanochannel in the field of biosensors is gaining increasing recognition. The controllable construction of biomimetic nanochannels and their performance modulation have demonstrated great importance and obtained wide interest. The nanochannels offer high sensitivity, enabling sensors to swiftly identify target biomarkers in complex biological samples, with detection limits reaching the picomolar level. Furthermore, they demonstrate exceptional selectivity and reproducibility, making them ideal tools for biomarker detection. In recent years, biosensors utilizing biomimetic nanochannel have shown remarkable performance in detecting a wide range of biomarkers. This review aims to explore the opportunities and challenges associated with biomimetic nanochannel technology in biosensor applications, focusing on the construction and performance modulation of these nanochannels, as well as their applications in detecting nucleic acids, proteins, organisms, and small molecules. Providing forward-looking insights into this cutting-edge field is aspired, with particular emphasis on technological advancements, addressing current challenges, and discussing future trends.
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Affiliation(s)
- Peizhi Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
- School of Food Science and Technology, International Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Jian Zhao
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 116029, China
| | - Dan Liang
- School of Food Science and Technology, International Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Chifang Peng
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Jian Zhu
- School of materials science and engineering, Nankai University, Tianjin, 300071, China
| | - Bongjun Yeom
- Department of Chemical Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Zhouping Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yuan Zhao
- School of Food Science and Technology, International Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Wei Ma
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
- School of Food Science and Technology, International Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
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3
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Denuga S, Dutta P, Duleba D, Macori G, Fanning S, Johnson RP. Tuning Ion Current Rectifying Nanopipettes for Sensitive Detection of Methicillin-Resistant Staphylococcus aureus. Anal Chem 2025; 97:2003-2010. [PMID: 39837767 PMCID: PMC11800174 DOI: 10.1021/acs.analchem.4c03510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Revised: 01/08/2025] [Accepted: 01/15/2025] [Indexed: 01/23/2025]
Abstract
Infectious diseases pose a growing challenge in healthcare, with the increasing rate of antimicrobial resistance limiting therapeutic options available for treatment. Rapid detection of infections at the earliest opportunity can significantly improve patient outcomes. In this report, ion current rectifying quartz nanopipettes with ca. 109 nm orifices were utilized for the label-free detection of DNA indicative of methicillin-resistant Staphylococcus aureus (MRSA). By immobilizing probe DNA complementary to the mecA gene on the internal walls of the nanopipette, the detection was achieved by monitoring changes in ion current rectification (ICR) following probe-target hybridization. We demonstrate enhanced sensitivity by controlling the surface probe density, resulting in a tunable, sensitive sensor technology with a detection limit as low as 0.35 pM. Finite element simulations are used to support our experimental findings, revealing that to maximize target-induced changes to ICR, the probe surface density must be minimized. This sensitive and label-free methodology was integrated with the polymerase chain amplification reaction to achieve selective identification of this pathogen from laboratory-grown cultures, highlighting that ion current rectifying nanopipette sensors offer the potential to be a cost-effective and rapid tools for infectious disease detection.
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Affiliation(s)
- Shekemi Denuga
- School
of Chemistry, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Pallavi Dutta
- School
of Chemistry, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Dominik Duleba
- School
of Chemistry, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Guerrino Macori
- School
of Biology & Environmental & Biological Sciences, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
- UCD-Centre
for Food Safety, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Séamus Fanning
- UCD-Centre
for Food Safety, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
- School
of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Robert P. Johnson
- School
of Chemistry, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
- UCD-Centre
for Food Safety, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
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4
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Lin M, Yang H, Li Q, Xiao H, Jiang S, Liang J, Cui X, Zhao S. Dual lateral flow assay based on PdRu nanocages for human Papillomavirus detection. J Colloid Interface Sci 2024; 673:893-900. [PMID: 38908288 DOI: 10.1016/j.jcis.2024.06.002] [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: 03/10/2024] [Revised: 05/21/2024] [Accepted: 06/02/2024] [Indexed: 06/24/2024]
Abstract
Cervical cancer is one of the most common gynecological malignancies, with the vast majority of which being caused by persistent infection with Human Papillomavirus (HPV) 16 and 18. The current available HPV detection methods are sensitive and genotyped but are restricted by expensive instruments and skilled personnel. The development of an easy-to-use, rapid, and cost-friendly analysis method for HPV is of great need. Herein, hollow palladium-ruthenium nanocages modified with two oligonucleotides (PdRu capture probes) were constructed for genotyping and simultaneous detection of target nucleic acids HPV16 and HPV18 by dual lateral flow assay (DLFA). PdRu capture probes were endowed with bi-functions for the first time, which could be used to output signals and hybridize target nucleic acids. Under optimized conditions, the PdRu based-DLFA with detection limits of 0.93 nM and 0.19 nM, respectively, exhibited convenient operation, and high sensitivity. Meanwhile, the DLFA achieved excellent rapid detection within 20 min, which was attributed to capture probes that can be directly bound to amplification-free target nucleic acids. Therefore, the development of PdRu-based DLFA can be utilized for rapid, sensitive, and simultaneous genotyping detection of HPV16 and HPV18, showing great application for nucleic acid detection.
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Affiliation(s)
- Mingxia Lin
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Huiyi Yang
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, China.
| | - Qinglan Li
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Huanxin Xiao
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Shilin Jiang
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Jinhui Liang
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Xiping Cui
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Suqing Zhao
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
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Zeng H, Zhou S, Zhang X, Liang Q, Yan M, Xu Y, Guo Y, Hu X, Jiang L, Kong B. Super-assembled periodic mesoporous organosilica membranes with hierarchical channels for efficient glutathione sensing. Analyst 2024; 149:3522-3529. [PMID: 38787653 DOI: 10.1039/d4an00559g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
Bioinspired nanochannel-based sensors have elicited significant interest because of their excellent sensing performance, and robust mechanical and tunable chemical properties. However, the existing designs face limitations due to material constraints, which hamper broader application possibilities. Herein, a heteromembrane system composed of a periodic mesoporous organosilica (PMO) layer with three-dimensional (3D) network nanochannels is constructed for glutathione (GSH) detection. The unique hierarchical pore architecture provides a large surface area, abundant reaction sites and plentiful interconnected pathways for rapid ionic transport, contributing to efficient and sensitive detection. Moreover, the thioether groups in nanochannels can be selectively cleaved by GSH to generate hydrophilic thiol groups. Benefiting from the increased hydrophilic surface, the proposed sensor achieves efficient GSH detection with a detection limit of 1.2 μM by monitoring the transmembrane ionic current and shows good recovery ranges in fetal bovine serum sample detection. This work paves an avenue for designing and fabricating nanofluidic sensing systems for practical and biosensing applications.
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Affiliation(s)
- Hui Zeng
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Shan Zhou
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Xin Zhang
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Qirui Liang
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Miao Yan
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Yeqing Xu
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Yaxin Guo
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Xiaomeng Hu
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
| | - Lei Jiang
- CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Science, Beijing 100190, P. R. China
| | - Biao Kong
- Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, P. R. China.
- Yiwu Research Institute of Fudan University, Yiwu, Zhejiang 322000, P. R. China
- Shandong Research Institute, Fudan University, Jinan, Shandong 250103, P. R. China
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Laucirica G, Toum-Terrones Y, Cayón VM, Toimil-Molares ME, Azzaroni O, Marmisollé WA. Advances in nanofluidic field-effect transistors: external voltage-controlled solid-state nanochannels for stimulus-responsive ion transport and beyond. Phys Chem Chem Phys 2024; 26:10471-10493. [PMID: 38506166 DOI: 10.1039/d3cp06142f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Ion channels, intricate protein structures facilitating precise ion passage across cell membranes, are pivotal for vital cellular functions. Inspired by the remarkable capabilities of biological ion channels, the scientific community has ventured into replicating these principles in fully abiotic solid-state nanochannels (SSNs). Since the gating mechanisms of SSNs rely on variations in the physicochemical properties of the channel surface, the modification of their internal architecture and chemistry constitutes a powerful strategy to control the transport properties and, consequently, render specific functionalities. In this framework, both the design of the nanofluidic platform and the subsequent selection and attachment of different building blocks gain special attention. Similar to biological ion channels, functional SSNs offer the potential to finely modulate ion transport in response to various stimuli, leading to innovations in a variety of fields. This comprehensive review delves into the intricate world of ion transport across stimuli-responsive SSNs, focusing on the development of external voltage-controlled nanofluidic devices. This kind of field-effect nanofluidic technology has attracted special interest due to the possibility of real-time reconfiguration of the ion transport with a non-invasive strategy. These properties have found interesting applications in drug delivery, biosensing, and nanoelectronics. This document will address the fundamental principles of ion transport through SSNs and the construction, modification, and applications of external voltage-controlled SSNs. It will also address future challenges and prospects, offering a comprehensive perspective on this evolving field.
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Affiliation(s)
- G Laucirica
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CONICET - CC 16 Suc. 4, 1900 La Plata, Argentina.
| | - Y Toum-Terrones
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CONICET - CC 16 Suc. 4, 1900 La Plata, Argentina.
| | - V M Cayón
- Department of Materials- and Geosciences, Technical University of Darmstadt, Darmstadt, Germany
| | - M E Toimil-Molares
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
- Department of Materials- and Geosciences, Technical University of Darmstadt, Darmstadt, Germany
| | - O Azzaroni
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CONICET - CC 16 Suc. 4, 1900 La Plata, Argentina.
| | - W A Marmisollé
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CONICET - CC 16 Suc. 4, 1900 La Plata, Argentina.
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Zhang X, Dai Y, Sun J, Shen J, Lin M, Xia F. Solid-State Nanopore/Nanochannel Sensors with Enhanced Selectivity through Pore-in Modification. Anal Chem 2024; 96:2277-2285. [PMID: 38285919 DOI: 10.1021/acs.analchem.3c05228] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
Nanopore sensing technology, as an emerging analytical method, has the advantages of simple operation, fast output, and label-free and has been widely used in fields such as protein analysis, gene sequencing, and biomarker detection. Inspired by biological ion channels, scientists have prepared various artificial solid-state nanopores/nanochannels. Biological ion channels have extremely high ion transport selectivity, while solid-state nanopores/nanochannels have poor selectivity. The selectivity of solid-state nanopores and nanochannels can be enhanced by modifying channel charge, varying pore size, incorporating specific chemical functionality, and adjusting operating (or solution) conditions. This Perspective highlights pore-in modification strategies for enhancing the selectivity of solid-state nanopore/nanochannel sensors by summarizing the articles published in the last 10 years. The future development prospects and challenges of pore-in modification in solid-state nanopore and nanochannel sensors are discussed. This Perspective helps readers better understand nanopore sensing technology, especially the importance of detection selectivity. We believe that solid-state nanopore/nanochannel sensors will soon enter our homes after various challenges.
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Affiliation(s)
- Xiaojin Zhang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Yu Dai
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Jielin Sun
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jianlei Shen
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Meihua Lin
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
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Hu XG, Zhao Y, Peng Y, Chen XM, Wang LF, Lin ZT, Zhao J, Hu S. In-situ label-free temperature-compensated DNA hybridization detection with a fiber-optic interferometer and a fiber Bragg grating for microfluidic chip. Biosens Bioelectron 2023; 242:115703. [PMID: 37820556 DOI: 10.1016/j.bios.2023.115703] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 09/04/2023] [Accepted: 09/20/2023] [Indexed: 10/13/2023]
Abstract
We demonstrated a temperature-compensated optofluidic DNA biosensor available for microfluidic chip. The optofluidic sensor was composed of an interferometer and a fiber Bragg grating (FBG) by femtosecond laser direct writing micro/nano processing technology. The sensing arm of the interferometer was suspended on the inner wall of the microchannel and could directly interact with the microfluid. With the immobilization of the single stranded probe DNA (pDNA), this optofluidic biosensor could achieve specific detection of single stranded complementary DNA (scDNA). The experimental results indicated that a linear response within 50 nM and the detection limit of 1.87 nM were achieved. In addition, the optofluidic biosensor could simultaneously monitor temperature to avoid temperature fluctuations interfering with the DNA hybridization detection process. And, the optofluidic detection channel could achieve fast sample replacement within 10 s at a flow rate of 2 μL/min and sample consumption only required nanoliters. This optofluidic DNA biosensor had the advantages of label-free, good specificity, dual parameter detection, low sample consumption, fast response, and easy repeatable preparation, which was of great significance for the field of DNA hybridization research and solving the temperature sensitivity problem of biosensors and had good prospects in biological analysis.
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Affiliation(s)
- Xu-Guang Hu
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Yong Zhao
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China; State Key Laboratory of Synthetical Automation for Process Industries, Shenyang, 110819, China; Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, 066004, China.
| | - Yun Peng
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China; Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, 066004, China
| | - Xiao-Ming Chen
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China; Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, 066004, China
| | - Lu-Feng Wang
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Zi-Ting Lin
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Jian Zhao
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Sheng Hu
- College of Information Science and Engineering, Northeastern University, Shenyang, 110819, China; Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, 066004, China
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Thompson CJ, Kienle DF, Schwartz DK. Enhanced Facilitated Diffusion of Membrane-Associating Proteins under Symmetric Confinement. J Phys Chem Lett 2022; 13:2901-2907. [PMID: 35333540 DOI: 10.1021/acs.jpclett.2c00227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The facilitated surface diffusion of transiently adsorbing molecules in a planar confined microenvironment (i.e., slit-like confinement) is highly relevant to biological phenomena, such as extracellular signaling, as well as numerous biotechnology systems. Here, we studied the surface diffusion of individual proteins confined between two symmetric lipid bilayer membranes, under a continuum of confinement heights, using single-molecule tracking and convex lens-induced confinement as well as hybrid, kinetic Monte Carlo simulations of a generalized continuous time random walk process. Surface diffusion was observed to vary non-monotonically with confinement height, exhibiting a maximum at a height of ∼750 nm, where diffusion was nearly 40% greater than that for a semi-infinite system. This demonstrated that planar confinement can, in fact, increase surface diffusion, qualitatively validating previous theoretical predictions. Simulations reproduced the experimental results and suggested that confinement enhancement of surface diffusion for symmetric systems is limited to cases where the adsorbate exhibits weak surface sticking.
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Affiliation(s)
- Connor J Thompson
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Daniel F Kienle
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Daniel K Schwartz
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
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Tang YJ, Zhang SJ, Zhong ZT, Su WM, Zhao YD. Controllable ion transport induced by pH gradient in a thermally crosslinked submicrochannel heterogeneous membrane. Analyst 2021; 146:6815-6821. [PMID: 34643194 DOI: 10.1039/d1an01522b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solid-state nanochannels have attracted considerable attention for their similar ion transport properties to biological ion channels. The construction of porous ion channels with good stability at the submicro/micrometer scale is very beneficial to develop large-area ion channel devices. In this manuscript, based on in-situ thermal crosslinking of a small organic molecule containing triphenylamine and styrene groups, we construct a heterogeneous membrane with asymmetrical charge and wettability on cylindrical anodic aluminum oxide (AAO) channels (D ≈ 319 nm). This heterogeneous membrane has typical ion current rectification characteristics with a high rectification ratio of 36.9 and good stability. This work provides an effective strategy for the construction of submicrochannel heterogeneous membranes and also broadens the application range of bionic ion channels.
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Affiliation(s)
- Yuan-Ju Tang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China. .,Department of Public Fundamental Courses, West Yunnan University of Applied Sciences, Dali 671000, Yunnan, P. R. China
| | - Shu-Jie Zhang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China.
| | - Zi-Tao Zhong
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China.
| | - Wen-Ming Su
- Printable Electronics Research Center, Suzhou Institute of Nano-Technology and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, Jiangsu, P. R. China
| | - Yuan-Di Zhao
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China. .,Key Laboratory of Biomedical Photonics (HUST), Ministry of Education, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China
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12
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Zhang D, Zhang X. Bioinspired Solid-State Nanochannel Sensors: From Ionic Current Signals, Current, and Fluorescence Dual Signals to Faraday Current Signals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100495. [PMID: 34117705 DOI: 10.1002/smll.202100495] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/21/2021] [Indexed: 06/12/2023]
Abstract
Inspired from bioprotein channels of living organisms, constructing "abiotic" analogues, solid-state nanochannels, to achieve "smart" sensing towards various targets, is highly seductive. When encountered with certain stimuli, dynamic switch of terminal modified probes in terms of surface charge, conformation, fluorescence property, electric potential as well as wettability can be monitored via transmembrane ionic current, fluorescence intensity, faraday current signals of nanochannels and so on. Herein, the modification methodologies of nanochannels and targets-detecting application are summarized in ions, small molecules, as well as biomolecules, and systematically reviewed are the nanochannel-based detection means including 1) by transmembrane current signals; 2) by the coordination of current- and fluorescence-dual signals; 3) by faraday current signals from nanochannel-based electrode. The coordination of current and fluorescence dual signals offers great benefits for synchronous temporal and spatial monitoring. Faraday signals enable the nanoelectrode to monitor both redox and non-redox components. Notably, by incorporation with confined effect of tip region of a needle-like nanopipette, glorious in-vivo monitoring is conferred on the nanopipette detector at high temporal-spatial resolution. In addition, some outlooks for future application in reliable practical samples analysis and leading research endeavors in the related fantastic fields are provided.
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Affiliation(s)
- Dan Zhang
- Cancer Centre and Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau, SAR, 999078, China
| | - Xuanjun Zhang
- Cancer Centre and Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau, SAR, 999078, China
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Liu T, Wu X, Xu H, Ma Q, Du Q, Yuan Q, Gao P, Xia F. Revealing Ionic Signal Enhancement with Probe Grafting Density on the Outer Surface of Nanochannels. Anal Chem 2021; 93:13054-13062. [PMID: 34519478 DOI: 10.1021/acs.analchem.1c03010] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Probe-modified nanopores/nanochannels are one of the most advanced sensors because the probes interact strongly with ions and targets in nanoconfinement and create a sensitive and selective ionic signal. Recently, ionic signals have been demonstrated to be sensitive to the probe-target interaction on the outer surface of nanopores/nanochannels, which can offer more open space for target recognition and signal conversion than nanoconfined cavities. To enhance the ionic signal, we investigated the effect of grafting density, a critical parameter of the sensing interface, of the probe on the outer surface of nanochannels on the change rate of the ionic signal before and after target recognition (β). Electroneutral peptide nucleic acids and negatively charged DNA are selected as probes and targets, respectively. The experimental results showed that when adding the same number of targets, the β value increased with the probe grafting density on the outer surface. A theoretical model with clearly defined physical properties of each probe and target has been established. Numerical simulations suggest that the decrease of the background current and the aggregation of targets at the mouth of nanochannels with increasing probe grafting density contribute to this enhancement. This work reveals the signal mechanism of probe-target recognition on the outer surface of nanochannels and suggests a general approach to the nanochannel/nanopore design leading to sensitivity improvement on the basis of relatively good selectivity.
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Affiliation(s)
- Tianle Liu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
| | - Xiaoqing Wu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
| | - Hongquan Xu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
| | - Qun Ma
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
| | - Qiujiao Du
- School of Mathematics and Physics, China University of Geosciences, Wuhan 430074, P. R. China
| | - Quan Yuan
- Institute of Chemical Biology and Nanomedicine, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410000, P. R. China
| | - Pengcheng Gao
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
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Peinetti AS, Lake RJ, Cong W, Cooper L, Wu Y, Ma Y, Pawel GT, Toimil-Molares ME, Trautmann C, Rong L, Mariñas B, Azzaroni O, Lu Y. Direct detection of human adenovirus or SARS-CoV-2 with ability to inform infectivity using DNA aptamer-nanopore sensors. SCIENCE ADVANCES 2021; 7:eabh2848. [PMID: 34550739 PMCID: PMC8457657 DOI: 10.1126/sciadv.abh2848] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 08/02/2021] [Indexed: 05/20/2023]
Abstract
Viral infections are a major global health issue, but no current method allows rapid, direct, and ultrasensitive quantification of intact viruses with the ability to inform infectivity, causing misdiagnoses and spread of the viruses. Here, we report a method for direct detection and differentiation of infectious from noninfectious human adenovirus and SARS-CoV-2, as well as from other virus types, without any sample pretreatment. DNA aptamers are selected from a DNA library to bind intact infectious, but not noninfectious, virus and then incorporated into a solid-state nanopore, which allows strong confinement of the virus to enhance sensitivity down to 1 pfu/ml for human adenovirus and 1 × 104 copies/ml for SARS-CoV-2. Applications of the aptamer-nanopore sensors in different types of water samples, saliva, and serum are demonstrated for both enveloped and nonenveloped viruses, making the sensor generally applicable for detecting these and other emerging viruses of environmental and public health concern.
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Affiliation(s)
- Ana S. Peinetti
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Ryan J. Lake
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Wen Cong
- Department of Civil and Environmental Engineering, Safe Global Water Institute, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Laura Cooper
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Yuting Wu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Yuan Ma
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Gregory T. Pawel
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - María Eugenia Toimil-Molares
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt 64291, Germany
- Corresponding author. (Y.L.); (O.A.); (B.M.); (L.R.); (M.E.T.-M.)
| | - Christina Trautmann
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt 64291, Germany
- Technische Universitat Darmstadt, Darmstadt 64287, Germany
| | - Lijun Rong
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Corresponding author. (Y.L.); (O.A.); (B.M.); (L.R.); (M.E.T.-M.)
| | - Benito Mariñas
- Department of Civil and Environmental Engineering, Safe Global Water Institute, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Corresponding author. (Y.L.); (O.A.); (B.M.); (L.R.); (M.E.T.-M.)
| | - Omar Azzaroni
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), CONICET, Boulevard 113 y 64, La Plata 1900, Argentina
- Corresponding author. (Y.L.); (O.A.); (B.M.); (L.R.); (M.E.T.-M.)
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Corresponding author. (Y.L.); (O.A.); (B.M.); (L.R.); (M.E.T.-M.)
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Xiao PP, Wan QQ, Liao T, Tu JY, Zhang GJ, Sun ZY. Peptide Nucleic Acid-Functionalized Nanochannel Biosensor for the Highly Sensitive Detection of Tumor Exosomal MicroRNA. Anal Chem 2021; 93:10966-10973. [PMID: 34327982 DOI: 10.1021/acs.analchem.1c01898] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Compared with free miRNAs in blood, miRNAs in exosomes have higher abundance and stability. Therefore, miRNAs in exosomes can be regarded as an ideal tumor marker for early cancer diagnosis. Here, a peptide nucleic acid (PNA)-functionalized nanochannel biosensor for the ultrasensitive and specific detection of tumor exosomal miRNAs is proposed. After PNA was covalently bound to the inner surface of the nanochannels, the detection of tumor exosomal miRNAs was achieved by the charge changes on the surface of nanochannels before and after hybridization (PNA-miRNA). Due to the neutral characteristics of PNA, the efficiency of PNA-miRNA hybridization was improved by significantly reducing the background signal. This biosensor could not only specifically distinguish target miRNA-10b from single-base mismatched miRNA but also achieve a detection limit as low as 75 aM. Moreover, the biosensor was further used to detect exosomal miRNA-10b derived from pancreatic cancer cells and normal pancreatic cells. The results indicate that this biosensor could effectively distinguish pancreatic cancer tumor-derived exosomes from the normal control group, and the detection results show good consistency with those of the quantitative reverse-transcription polymerase chain reaction method. In addition, the biosensor was used to detect exosomal miRNA-10b in clinical plasma samples, and it was found that the content of exosomal miRNA-10b in cancer patients was generally higher than that of healthy individuals, proving that the method is expected to be applied for the early diagnosis of cancer.
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Affiliation(s)
- Ping-Ping Xiao
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan 430065, China
| | - Qiang-Qiang Wan
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan 430065, China
- Wuhan First Hospital, Wuhan 430022, China
| | - Tangbin Liao
- School of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan 430065, China
| | - Ji-Yuan Tu
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan 430065, China
| | - Guo-Jun Zhang
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan 430065, China
| | - Zhong-Yue Sun
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan 430065, China
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Cheng SQ, Liu XQ, Han ZL, Rong Y, Qin SY, Sun Y, Li H. Tailoring CO 2-Activated Ion Nanochannels Using Macrocyclic Pillararenes. ACS APPLIED MATERIALS & INTERFACES 2021; 13:27255-27261. [PMID: 34029047 DOI: 10.1021/acsami.1c03329] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Gas-responsive nanochannels have great relevance for applications in many fields. Inspired by CO2-sensitive ion channels, herein we present an approach for designing solid-state nanochannels that allow controlled regulation of ion transport in response to alternate CO2/N2 stimuli. The pillar[5]arene (P5N) bearing diethylamine groups can convert into the water-soluble host P5C, containing cationic tertiary ammonium salt groups after absorbing CO2. Subsequently, the nanochannel walls are tailored using P5N-based host-guest chemistry. The ion transport rate of K+ in the P5N nanochannels under CO2 was 1.66 × 10-4 mol h-1 m-2, whereas that under N2 was 7.98 × 10-4 mol h-1 m-2. Notably, there was no significant change to the ion current after eight cycles, which may indicate the stability and repeatability of CO2-activated ion nanochannels. It is speculated that the difference in ion conductance resulted from the change in wettability and surface charge within the nanochannels in response to the gas stimuli. Achieving CO2-activated ion transport in solid-state nanochannels opens new avenues for biomimetic nanopore systems and advanced separation processes.
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Affiliation(s)
- Shi-Qi Cheng
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central University for Nationalities, Wuhan 430074, P.R. China
| | - Xue-Qing Liu
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, P.R. China
| | - Zhi-Liang Han
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, P.R. China
| | - Yu Rong
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central University for Nationalities, Wuhan 430074, P.R. China
| | - Si-Yong Qin
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central University for Nationalities, Wuhan 430074, P.R. China
| | - Yue Sun
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central University for Nationalities, Wuhan 430074, P.R. China
| | - Haibing Li
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079 P.R. China
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Cheng J, Jiang F, Zhang S. A nanofluidic device for ultrasensitive and label-free detection of tetracycline in association with γ-cyclodextrin and GO. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1832-1838. [PMID: 33885639 DOI: 10.1039/d0ay01868f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Herein, an ultrasensitive and selective nanofluidic device for tetracycline (TC) was developed in association with γ-cyclodextrin and graphene oxide (GO). The assay was designed based on the change of the nanochannel surface charge due to the selective recognition ability of GO between aptamers and TC-aptamer complexes. And γ-cyclodextrin was utilized to eliminate the excess TC since the amine group molecules were inclined to be adsorbed onto the nanochannel surface and affected the adsorption efficiency of the nanochannel. In the presence of TC, TC specifically binded to the aptamer to form TC-aptamer and was separated from GO. The TC-aptamer complexes could be quantitated with conical nanochannels coated with polyethyleneimine (PEI)/Zr4+. The redundant TC was removed by γ-cyclodextrin. The detection limit of the nanofluidic device was as low as 2 ng L-1 (S/N = 3) and the linear range was 10 ng L-1 to 10 μg L-1. Moreover, the nanofluidic device provided high specificity and good recovery rates of 94.8-109.3% in natural river, tapwater and wastewater samples. The results revealed that our study provided a new rapid detection method for trace contaminant analysis.
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Affiliation(s)
- Jiaxi Cheng
- School of Civil Engineering & Architecture, Taizhou University, Jiaojiang, 318000, China
| | - Fenghua Jiang
- School of Civil Engineering & Architecture, Taizhou University, Jiaojiang, 318000, China
| | - Siqi Zhang
- School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China.
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18
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Ge L, Wu J, Wang C, Zhang F, Liu Z. Engineering artificial switchable nanochannels for selective monitoring of nitric oxide release from living cells. Biosens Bioelectron 2020; 169:112606. [DOI: 10.1016/j.bios.2020.112606] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/22/2020] [Accepted: 09/07/2020] [Indexed: 12/20/2022]
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19
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Zhang S, Li KB, Pan Y, Han DM. Ultrasensitive detection of ochratoxin A based on biomimetic nanochannel and catalytic hairpin assembly signal amplification. Talanta 2020; 220:121420. [PMID: 32928431 DOI: 10.1016/j.talanta.2020.121420] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/10/2020] [Accepted: 07/14/2020] [Indexed: 10/23/2022]
Abstract
In this paper, an ultrasensitive nanochannel sensor has been proposed for label-free Ochratoxin A (OTA) assay in combination with graphene oxide (GO) and catalyzed hairpin assembly (CHA). The high-performance sensor is segmented into two parts. One is composed of graphene oxide (GO) and DNA probes. In the presence of target OTA, OTA works as a catalyst to trigger the self-assembly pathway of the two probes and initiate the cycling of CHA circuits, which results in numerous double-stranded DNAs (dsDNA) in solution. The excess ssDNA probes are removed by GO. The other part is composed of biomimetic nanochannel coated with polyethyleneimine (PEI) and Zr4+, which can quantify the concentration of OTA by detecting the dsDNA in solution. The nanofluidic device has a detection limit of as low as 6.2 pM with an excellent selectivity. The nanochannel based assay was used to analyse food samples (red wine) with satisfied results. Thus, the proposed analytical method will provide a new approach the detection of OTA and can be applied for quality control to ensure food safety.
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Affiliation(s)
- Siqi Zhang
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China; School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China
| | - Kai-Bin Li
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China; School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.
| | - De-Man Han
- School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China.
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Morrin GT, Kienle DF, Weltz JS, Traeger JC, Schwartz DK. Polyelectrolyte Surface Diffusion in a Nanoslit Geometry. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02365] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gregory T. Morrin
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Daniel F. Kienle
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - James S. Weltz
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Jeremiah C. Traeger
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Daniel K. Schwartz
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
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Zhang S, Cheng J, Shi W, Li KB, Han DM, Xu JJ. Fabrication of a Biomimetic Nanochannel Logic Platform and Its Applications in the Intelligent Detection of miRNA Related to Liver Cancer. Anal Chem 2020; 92:5952-5959. [PMID: 32207618 DOI: 10.1021/acs.analchem.0c00147] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Nanochannel-based analytical techniques have great potential applications for nucleic acid sequencing and high sensitivity detection of biological molecules. However, the sensitivity of conventional solid-state nanochannel sensors is hampered by a lack of effective signal amplification strategies, which has limited its utility in the field of analytical chemistry. Here we selected a solid-state nanochannnel modified with polyethylenimine and Zr4+ in combination with graphene oxide as the sensing platform. The high-performance sensor is based upon the change of the surface charge of the nanochannel, which is resulted from DNA cascade signal amplification in solution. The target miRNA (miR-122) can be indirectly quantitated with a detection limit of 97.2 aM with an excellent selectivity. Depending on the nucleic acid's hybridization and configuration transform, the designed nanochannel sensing systems can realize the intelligent detection of multiple liver cancer-related miRNA (miR-122 and miR Let-7a) integrating with cascaded INHIBIT-OR logic gate to provide theoretical guidance and technical support for clinical diagnosis and therapeutic evaluation of liver cancer.
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Affiliation(s)
- Siqi Zhang
- School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China
| | - Jiaxi Cheng
- School of Civil Engineering & Architecture, Taizhou University, Jiaojiang, 318000, China
| | - Wei Shi
- School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China
| | - Kai-Bin Li
- School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China
| | - De-Man Han
- School of Pharmaceutical and Materials Engineering, Taizhou University, Jiaojiang, 318000, China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Nasir S, Ali M, Ahmed I, Niemeyer CM, Ensinger W. Phosphoprotein Detection with a Single Nanofluidic Diode Decorated with Zinc Chelates. Chempluschem 2020; 85:587-594. [DOI: 10.1002/cplu.202000045] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Saima Nasir
- Technische Universität DarmstadtFachbereich Material- u. Geowissenschaften Fachgebiet Materialanalytik Alarich-Weiss-Str. 2 64287 Darmstadt Germany
- GSI Helmholtzzentrum für Schwerionenforschung Planckstr. 1 64291 Darmstadt Germany
| | - Mubarak Ali
- Technische Universität DarmstadtFachbereich Material- u. Geowissenschaften Fachgebiet Materialanalytik Alarich-Weiss-Str. 2 64287 Darmstadt Germany
- GSI Helmholtzzentrum für Schwerionenforschung Planckstr. 1 64291 Darmstadt Germany
| | - Ishtiaq Ahmed
- Karlsruhe Institute of Technology (KIT)Institute for Biological Interfaces (IBG-1) Hermann-von-Helmholtz-Platz 76344 Eggenstein-Leopoldshafen Germany
- University of CambridgeDepartment of Chemical Engineering and Biotechnology Philippa Fawcett Drive Cambridge C B3 0AS United Kingdom
| | - Christof M. Niemeyer
- Karlsruhe Institute of Technology (KIT)Institute for Biological Interfaces (IBG-1) Hermann-von-Helmholtz-Platz 76344 Eggenstein-Leopoldshafen Germany
| | - Wolfgang Ensinger
- Technische Universität DarmstadtFachbereich Material- u. Geowissenschaften Fachgebiet Materialanalytik Alarich-Weiss-Str. 2 64287 Darmstadt Germany
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23
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Electrochemical detection of cell concentration based on reaction of DNA with molybdate. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.08.050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Liu FF, Zhao XP, Kang B, Xia XH, Wang C. Non-linear mass transport in confined nanofluidic devices for label-free bioanalysis/sensors. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115760] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Pérez-Mitta G, Toimil-Molares ME, Trautmann C, Marmisollé WA, Azzaroni O. Molecular Design of Solid-State Nanopores: Fundamental Concepts and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1901483. [PMID: 31267585 DOI: 10.1002/adma.201901483] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/16/2019] [Indexed: 06/09/2023]
Abstract
Solid-state nanopores are fascinating objects that enable the development of specific and efficient chemical and biological sensors, as well as the investigation of the physicochemical principles ruling the behavior of biological channels. The great variety of biological nanopores that nature provides regulates not only the most critical processes in the human body, including neuronal communication and sensory perception, but also the most important bioenergetic process on earth: photosynthesis. This makes them an exhaustless source of inspiration toward the development of more efficient, selective, and sophisticated nanopore-based nanofluidic devices. The key point responsible for the vibrant and exciting advance of solid nanopore research in the last decade has been the simultaneous combination of advanced fabrication nanotechnologies to tailor the size, geometry, and application of novel and creative approaches to confer the nanopore surface specific functionalities and responsiveness. Here, the state of the art is described in the following critical areas: i) theory, ii) nanofabrication techniques, iii) (bio)chemical functionalization, iv) construction of nanofluidic actuators, v) nanopore (bio)sensors, and vi) commercial aspects. The plethora of potential applications once envisioned for solid-state nanochannels is progressively and quickly materializing into new technologies that hold promise to revolutionize the everyday life.
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Affiliation(s)
- Gonzalo Pérez-Mitta
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) - CONICET, Diagonal 113 y 64, 1900, La Plata, Argentina
- Laboratory of Molecular Neurobiology and Biophysics, Howard Hughes Medical Institute, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | | | - Christina Trautmann
- GSI Helmholtzzentrum für Schwerionenforschung, 64291, Darmstadt, Germany
- Technische Universität Darmstadt, 64287, Darmstadt, Germany
| | - Waldemar A Marmisollé
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) - CONICET, Diagonal 113 y 64, 1900, La Plata, Argentina
| | - Omar Azzaroni
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) - CONICET, Diagonal 113 y 64, 1900, La Plata, Argentina
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Cai XH, Cao SH, Cai SL, Wu YY, Ajmal M, Li YQ. Reversing current rectification to improve DNA-sensing sensitivity in conical nanopores. Electrophoresis 2019; 40:2098-2103. [PMID: 31020667 DOI: 10.1002/elps.201900002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 04/14/2019] [Accepted: 04/14/2019] [Indexed: 01/03/2023]
Abstract
Herein, we report the ultrasensitive DNA detection through designing an elegant nanopore biosensor as the first case to realize the reversal of current rectification direction for sensing. Attributed to the unique asymmetric structure, the glass conical nanopore exhibits the sensitive response to the surface charge, which can be facilely monitored by ion current rectification curves. In our design, an enzymatic cleavage reaction was employed to alter the surface charge of the nanopore for DNA sensing. The measured ion current rectification was strongly responsive to DNA concentrations, even reaching to the reversed status from the negative ratio (-6.5) to the positive ratio (+16.1). The detectable concentration for DNA was as low as 0.1 fM. This is an ultrasensitive and label-free DNA sensing approach, based on the rectification direction-reversed amplification in a single glass conical nanopore.
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Affiliation(s)
- Xiu-Hong Cai
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China
| | - Shuo-Hui Cao
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China.,Department of Electronic Science, Xiamen University, Xiamen, P. R. China.,Shenzhen Research Institute of Xiamen University, Shenzhen, P. R. China
| | - Sheng-Lin Cai
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China
| | - Yuan-Yi Wu
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China
| | - Muhammad Ajmal
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China
| | - Yao-Qun Li
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China
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27
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Morrin GT, Kienle DF, Schwartz DK. Standalone interferometry-based calibration of convex lens-induced confinement microscopy with nanoscale accuracy. Analyst 2019; 144:2628-2634. [PMID: 30839956 PMCID: PMC6779313 DOI: 10.1039/c8an02300j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Strongly confined environments (confined dimensions between 1-100 nm) represent unique challenges and opportunities for understanding and manipulating molecular behavior due to the significant effects of electric double layers, high surface-area to volume ratios, and other phenomena at the nanoscale. Convex Lens-induced Confinement (CLiC) can be used to analyze the dynamics of individual molecules or particles confined in a planar slit geometry with continuously varying gap thickness. We describe an interferometry-based method for precise measurement of the slit pore geometry. Specifically, this approach permitted accurate characterization of separation distances as small as 5 nm, with 1 nm precision, without a priori knowledge or assumptions about the contact geometry, as well as a greatly simplified experimental setup that required only a lens, coverslip, and inverted microscope. The interferometry-based measurement of gap height offered a distinct advantage over conventional fluorescent dye-based methods; e.g., accurate interferometric height measurements were made at low gap heights regardless of solution conditions, while the concentration of fluorescent dye was significantly impacted by solution conditions such as ionic strength or pH. The accuracy of the interferometric measurements was demonstrated by comparing the experimentally measured concentration of a charged fluorescent dye as a function of gap thickness with dye concentration profiles calculated using Debye-Hückel theory. Accurate characterization of nanoscale gap thickness will enable researchers to study a variety of practical and biologically relevant systems within the CLiC geometry.
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Affiliation(s)
- Gregory T Morrin
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA.
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28
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Hong J, Kim B, Shin H. Mixed-scale poly(methyl methacrylate) channel network-based single-particle manipulation via diffusiophoresis. NANOSCALE 2018; 10:14421-14431. [PMID: 29796559 DOI: 10.1039/c7nr07669j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Despite the unique advantages of nanochannels imparted by their small size, their utility is limited by the lack of affordable and versatile fabrication methods. Moreover, nanochannel-incorporated fluidic devices require micro-sized conduit integration for efficient access of liquid samples. In this study, a simple and cost-effective fabrication method for mixed-scale channel networks via hot-embossing of poly(methyl methacrylate) (PMMA) using a carbon stamp is demonstrated. Due to its high rigidity, PMMA ensures collapse-free channel fabrication. The carbon stamp is fabricated using only batch microfabrication and has a convex architecture that allows the fabrication of a complex channel network via a single imprinting process. In addition, the microchannels are connected to nanochannels via three-dimensional (3D) microfunnels that serve as single-particle-entrapment chambers, ensuring smooth transport of samples into the nanochannels. Owing to the 3D geometry of the microfunnels and the small size of the nanochannels, a solute gradient can be generated locally at the microfunnel. This local solute gradient enables the entrapment of microparticles at the microfunnels via diffusiophoresis, which can manipulate the particle motion in a controllable manner, without any external equipment or additional electrode integration into the channels. To the best of our knowledge, this is the first report of diffusiophoresis-based single-particle entrapment.
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Affiliation(s)
- Jisoo Hong
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea.
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29
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Niu B, Xiao K, Huang X, Zhang Z, Kong XY, Wang Z, Wen L, Jiang L. High-Sensitivity Detection of Iron(III) by Dopamine-Modified Funnel-Shaped Nanochannels. ACS APPLIED MATERIALS & INTERFACES 2018; 10:22632-22639. [PMID: 29888900 DOI: 10.1021/acsami.8b05686] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Iron as an essential trace element in the human body participates in various biological processes. The demand for efficient and sensitive detection of FeIII has drawn wide attentions. Inspired by biological nanochannels, a high-sensitivity, economic, and recyclable FeIII detection method is proposed by using dopamine (DOPA)-modified funnel-shaped nanochannels. Along with the FeIII concentration changing, different FeIII-DOPA chelates are generated in the channel, which affect the wettability and charge distribution of the pore surface, resulting in a change of ionic current through the nanochannels. Meanwhile, the funnel-shaped nanochannel applied in this work with a narrow cylindrical segment (a diameter close to 10 nm) as the critical section can enhance the sensing ability to the ultra-trace level (down to 10-12 M). We expound the mechanism and feasibility of this method and anticipate that the system can be a good example to design highly sensitive and stable ion detection devices.
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Affiliation(s)
- Bo Niu
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Kai Xiao
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Xiaodong Huang
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Zhen Zhang
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Xiang-Yu Kong
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Ziqi Wang
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Liping Wen
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Lei Jiang
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
- School of Future Technology , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
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30
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Akiba U, Minaki D, Anzai JI. Host-Guest Chemistry in Layer-by-Layer Assemblies Containing Calix[n]arenes and Cucurbit[n]urils: A Review. Polymers (Basel) 2018; 10:E130. [PMID: 30966166 PMCID: PMC6415183 DOI: 10.3390/polym10020130] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 01/25/2018] [Accepted: 01/26/2018] [Indexed: 01/24/2023] Open
Abstract
This review provides an overview of the synthesis of layer-by-layer (LbL) assemblies containing calix[n]arene (CA[n]) and cucurbit[n]uril (CB[n]) and their applications. LbL assemblies, such as thin films and microcapsules, containing selective binding sites have attracted considerable attention because of their potential use in separation and purification, sensors for ions and molecules, and controlled release. CA[n]-containing LbL films have been prepared using sulfonated CA[n] and cationic polymers to construct chemical sensors and molecular containers. CA[n]-containing LbL films deposited on the surface of a porous support are useful as ion-selective membranes that exhibit selective permeability to monovalent ions over multivalent ions. CB[n]s have been used as molecular glues for the construction of LbL films and microcapsules by taking advantage of the strong affinity of CB[n]s to aromatic compounds. CB[n]s form a stable 1:1:1 ternary complex with electron-rich and electron-deficient molecules in LbL films to stabilize the assemblies. CB[n]-containing LbL films can also be deposited on the surfaces of micro templates and nanopore membranes to construct microcapsules for controlled release and nanochannels for selective ion transport, respectively.
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Affiliation(s)
- Uichi Akiba
- Graduate School of Engineering and Science, Akita University, 1-1 Tegata Gakuen-machi, Akita 010-8502, Japan.
| | - Daichi Minaki
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
| | - Jun-Ichi Anzai
- Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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31
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Zhang S, Geryak R, Geldmeier J, Kim S, Tsukruk VV. Synthesis, Assembly, and Applications of Hybrid Nanostructures for Biosensing. Chem Rev 2017; 117:12942-13038. [DOI: 10.1021/acs.chemrev.7b00088] [Citation(s) in RCA: 206] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shuaidi Zhang
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Ren Geryak
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Jeffrey Geldmeier
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Sunghan Kim
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Vladimir V. Tsukruk
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
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32
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Liao T, Li X, Tong Q, Zou K, Zhang H, Tang L, Sun Z, Zhang GJ. Ultrasensitive Detection of MicroRNAs with Morpholino-Functionalized Nanochannel Biosensor. Anal Chem 2017; 89:5511-5518. [PMID: 28429595 DOI: 10.1021/acs.analchem.7b00487] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Here, we demonstrate a phosphorodiamidate morpholino oligos (PMO)-functionalized nanochannel biosensor for label-free detection of microRNAs (miRNAs) with ultrasensitivity and high sequence specificity. PMO, as a capture probe, was covalently anchored on the nanochannel surface. Because of the neutral character and high sequence-specific affinity of PMO, hybridization efficiency between PMO and miRNAs was enhanced, thus largely decreasing background signals and highly improving the detection specificity and sensitivity. The miRNAs detection was realized through observing the change of surface charge density when PMO/miRNAs hybridization occurred. Not only could the developed biosensor specifically discriminate complementary miRNAs (Let-7b) from noncomplementary miRNAs (miR-21) and one-base mismatched miRNAs (Let-7c), but also it could detect target miRNAs in serum samples. In addition, this nanochannel-based biosensor attained a reliable limit of detection down to 1 fM in PBS and 10 fM in serum sample, respectively. It is expected that such a new method will benefit miRNA detection in clinical diagnosis.
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Affiliation(s)
- Tangbin Liao
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Xiaorui Li
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Qian Tong
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Kai Zou
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Hang Zhang
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Lina Tang
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Zhongyue Sun
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Guo-Jun Zhang
- School of Laboratory Medicine, Hubei University of Chinese Medicine , 1 Huangjia Lake West Road, Wuhan, Hubei 430065, China
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