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Ranjan P, Li Z, Ansari A, Ahmed S, Siddiqui MA, Zhang S, Patole SP, Cheng GJ, Sadki EHS, Vinu A, Kumar P. 2D Materials for Potable Water Application: Basic Nanoarchitectonics and Recent Progresses. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2407160. [PMID: 39390843 DOI: 10.1002/smll.202407160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2024] [Revised: 09/22/2024] [Indexed: 10/12/2024]
Abstract
Water polluted by toxic chemicals due to waste from chemical/pharmaceuticals and harmful microbes such as E. Coli bacteria causes several fatal diseases; and therefore, water filtration is crucial for accessing clean and safe water necessary for good health. Conventional water filtration technologies include activated carbon filters, reverse osmosis, and ultrafiltration. However, they face several challenges, including high energy consumption, fouling, limited selectivity, inefficiencies in removing certain contaminants, dimensional control of pores, and structural/chemical changes at higher thermal conditions and upon prolonged usage of water filter. Recently, the advent of 2D materials such as graphene, BN, MoS2, MXenes, and so on opens new avenues for advanced water filtration systems. This review delves into the nanoarchitectonics of 2D materials for water filtration applications. The current state of water filtration technologies is explored, the inherent challenges they face are outlines, and the unique properties and advantages of 2D materials are highlighted. Furthermore, the scope of this review is discussed, which encompasses the synthesis, characterization, and application of various 2D materials in water filtration, providing insights into future research directions and potential industrial applications.
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Affiliation(s)
- Pranay Ranjan
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, 342037, India
| | - Zhixuan Li
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment (CESE), School of Engineering, The University of Newcastle, University Drive, Callaghan, New South Wales, 2308, Australia
| | - Arshiya Ansari
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, 342037, India
| | - Shahzad Ahmed
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, 342037, India
| | - Moin Ali Siddiqui
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, 342037, India
| | - Shizhuo Zhang
- The Institute of Technological Sciences, Wuhan University, Wuhan, 430072, P. R. China
| | - Shashikant P Patole
- Department of Physics, Khalifa University of Science and Technology, Abu Dhabi, 127788, UAE
| | - Gary J Cheng
- School of Industrial Engineering, Purdue University, West Lafayette, IN, 47906, USA
| | - El Hadi S Sadki
- Department of Physics, College of Science, United Arab Emirates University, Al-Ain, 15551, UAE
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment (CESE), School of Engineering, The University of Newcastle, University Drive, Callaghan, New South Wales, 2308, Australia
| | - Prashant Kumar
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment (CESE), School of Engineering, The University of Newcastle, University Drive, Callaghan, New South Wales, 2308, Australia
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Hoenig E, Han Y, Xu K, Li J, Wang M, Liu C. In situ generation of (sub) nanometer pores in MoS 2 membranes for ion-selective transport. Nat Commun 2024; 15:7911. [PMID: 39256368 PMCID: PMC11387774 DOI: 10.1038/s41467-024-52109-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 08/27/2024] [Indexed: 09/12/2024] Open
Abstract
Ion selective membranes are fundamental components of biological, energy, and computing systems. The fabrication of solid-state ultrathin membranes that can separate ions of similar size and the same charge with both high selectivity and permeance remains a challenge, however. Here, we present a method, utilizing the application of a remote electric field, to fabricate a high-density of (sub)nm pores in situ. This method takes advantage of the grain boundaries in few-layer polycrystalline MoS2 to enable the synthesis of nanoporous membranes with average pore size tunable from <1 to ~4 nm in diameter (with in situ pore expansion resolution of ~0.2 nm2 s-1). These membranes demonstrate selective transport of monovalent ions (K+, Na+ and Li+) as well as divalent ions (Mg2+ and Ca2+), outperforming existing two-dimensional material nanoporous membranes that display similar total permeance. We investigate the mechanism of selectivity using molecular dynamics simulations and unveil that the interactions between cations and the sluggish water confined to the pore, as well as cation-anion interactions, result in the different transport behaviors observed between ions.
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Affiliation(s)
- Eli Hoenig
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
- Department of Physics and Astronomy, University of Manchester, Manchester, UK
| | - Yu Han
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Kangli Xu
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Jingyi Li
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Mingzhan Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Chong Liu
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA.
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3
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Yuan Z, Liang Z, Yang L, Zhou D, He Z, Yang J, Wang C, Jiang L, Guo W. Light-Driven Ionic and Molecular Transport through Atomically Thin Single Nanopores in MoS 2/WS 2 Heterobilayers. ACS NANO 2024; 18:24581-24590. [PMID: 39137115 DOI: 10.1021/acsnano.4c09555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2024]
Abstract
Nanofluidic ionic and molecular transport through atomically thin nanopore membranes attracts broad research interest from both scientific and industrial communities for environmental, healthcare, and energy-related technologies. To mimic the biological ion pumping functions, recently, light-induced and quantum effect-facilitated charge separation in heterogeneous 2D-material assemblies is proposed as the fourth type of driving force to achieve active and noninvasive transport of ionic species through synthetic membrane materials. However, to date, engineering versatile van der Waals heterostructures into 2D nanopore membranes remains largely unexplored. Herein, we fabricate single nanopores in heterobilayer transition metal dichalcogenide membranes with helium ion beam irradiation and demonstrate the light-driven ionic transport and molecular translocation phenomena through the atomically thin nanopores. Experimental and simulation results further elucidate the driving mechanism as the photoinduced near-pore electric potential difference due to type II band alignment of the semiconducting WS2 and MoS2 monolayers. The strength of the photoinduced localized electric field near the pore region can be approximately 1.5 times stronger than that of its counterpart under the conventional voltage-driven mode. Consequently, the light-driven mode offers better spatial resolution for single-molecule detection. Light-driven ionic and molecular transport through nanopores in van der Waals heterojunction membranes anticipates transformative working principles for next-generation biomolecular sequencing and gives rise to fascinating opportunities for light-to-chemical energy harvesting nanosystems.
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Affiliation(s)
- Zhishan Yuan
- School of Electromechanical Engineering, Guangdong Provincial Key Laboratory of Minimally Invasive Surgical Instruments and Manufacturing Technology, State Key Laboratory for High Performance Tools, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Zhuohua Liang
- School of Electromechanical Engineering, Guangdong Provincial Key Laboratory of Minimally Invasive Surgical Instruments and Manufacturing Technology, State Key Laboratory for High Performance Tools, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Liusi Yang
- Center for Quantum Physics and Intelligent Sciences, Department of Physics, Capital Normal University, Beijing 100048, P. R. China
| | - Daming Zhou
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, P. R. China
| | - Zihua He
- School of Electromechanical Engineering, Guangdong Provincial Key Laboratory of Minimally Invasive Surgical Instruments and Manufacturing Technology, State Key Laboratory for High Performance Tools, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Junyu Yang
- School of Electromechanical Engineering, Guangdong Provincial Key Laboratory of Minimally Invasive Surgical Instruments and Manufacturing Technology, State Key Laboratory for High Performance Tools, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Chengyong Wang
- School of Electromechanical Engineering, Guangdong Provincial Key Laboratory of Minimally Invasive Surgical Instruments and Manufacturing Technology, State Key Laboratory for High Performance Tools, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Lei Jiang
- Research Institute for Frontier Science, Beihang University, Beijing 100191, P. R. China
| | - Wei Guo
- Center for Quantum Physics and Intelligent Sciences, Department of Physics, Capital Normal University, Beijing 100048, P. R. China
- Research Institute for Frontier Science, Beihang University, Beijing 100191, P. R. China
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4
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Chakraborty R, Crawford-Eng HT, Leburton JP. Asymmetric ion transport through "Janus" MoSSe sub-nanometer pores. NANOSCALE 2024; 16:13106-13120. [PMID: 38912547 DOI: 10.1039/d4nr00589a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
We conduct all-atom molecular dynamics simulations to systematically investigate the underlying mechanisms governing ion transport through a sub-nanometer pore decorated with negative charges in a "Janus" MoSSe membrane. The charge imbalance between S and Se atoms on each side of the membrane induces different types of ion adsorption processes depending on the pore inner charge configuration, and the polarity of external biases, which leads to asymmetry in ionic I-V characteristics. Statistical analysis of the total translocation times including adsorption-desorption processes, and ion dwell times indicates that potassium ions predominantly remain adsorbed during their interaction with the membrane before undertaking a quick translocation through the pore. High applied biases suppress cation adsorption, which results in fast translocation with the current flow boosted by negative inner charges around the pore. We also show that in a membrane consisting of several "Janus" layers, the applied bias necessary to overcome the sub-nm pore barrier increases with the number of layers, providing control over the ionic current.
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Affiliation(s)
- Rajat Chakraborty
- Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
- Nick Holonyak, Jr. Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Henry T Crawford-Eng
- Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
| | - Jean-Pierre Leburton
- Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
- Nick Holonyak, Jr. Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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5
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Liu W, Zheng F, Ma C, Xu W, Chen Y, Sha J. Single-Digit Nanobubble Sensing via Nanopore Technology. Anal Chem 2024; 96:9544-9550. [PMID: 38809167 DOI: 10.1021/acs.analchem.4c01035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Nanobubbles play an important role in diverse fields, including engineering, medicine, and agriculture. Understanding the characteristics of individual nanobubbles is essential for comprehending fluid dynamics behaviors and advancing nanoscale science across various fields. Here, we report a strategy based on nanopore sensors for characterizing single-digit nanobubbles. We investigated the sizes and diffusion coefficients of nanobubbles at different voltages. Additionally, the finite element simulation and molecular dynamics simulation were introduced to account for counterion concentration variation around nanobubbles in the nanopore. In particular, the differences in stability and surface charge density of nanobubbles under various solution environments have been studied by the ion-stabilized model and the DLVO theory. Additionally, a straightforward method to mitigate nanobubble generation in the bulk for reducing current noise in nanopore sensing was suggested. The results hold significant implications for enhancing the understanding of individual nanobubble characterizations, especially in the nanofluid field.
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Affiliation(s)
- Wei Liu
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
- School of Mechanical Engineering, Southeast University, Nanjing 211189, China
- Department of Chemistry & Chemical Engineering, Chalmers University of Technology, Gothenburg 41296, Sweden
| | - Fei Zheng
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
- School of Mechanical Engineering, Southeast University, Nanjing 211189, China
- Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom
- School of Nanoscience and Nanotechnology, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Chaofan Ma
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
- School of Mechanical Engineering, Southeast University, Nanjing 211189, China
| | - Wei Xu
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
- School of Mechanical Engineering, Southeast University, Nanjing 211189, China
| | - Yunfei Chen
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
- School of Mechanical Engineering, Southeast University, Nanjing 211189, China
| | - Jingjie Sha
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
- School of Mechanical Engineering, Southeast University, Nanjing 211189, China
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6
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Liu S, Cao R, Hu J, Tian H, Ma Y, Xue H, Li Z, Yao Z, Li R, Liao P, Wang Y, Yang Zhang L, Yin G, Sasaki U, Guo J, Wang L, Zhang X, Zhou W, Chen J, Fu W, Liu L. Degree of disorder-regulated ion transport through amorphous monolayer carbon. RSC Adv 2024; 14:17032-17040. [PMID: 38808236 PMCID: PMC11130763 DOI: 10.1039/d4ra01523a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/10/2024] [Indexed: 05/30/2024] Open
Abstract
Nanopore technology, re-fueled by two-dimensional (2D) materials such as graphene and MoS2, controls mass transport by allowing certain species while denying others at the nanoscale and has a wide application range in DNA sequencing, nano-power generation, and others. With their low transmembrane transport resistance and high permeability stemming from their ultrathin nature, crystalline 2D materials do not possess nanoscale holes naturally, thus requiring additional fabrication to create nanopores. Herein, we demonstrate that nanopores exist in amorphous monolayer carbon (AMC) grown at low temperatures. The size and density of nanopores can be tuned by the growth temperature, which was experimentally verified by atomic images and further corroborated by kinetic Monte Carlo simulation. Furthermore, AMC films with varied degrees of disorder (DOD) exhibit tunable transmembrane ionic conductance over two orders of magnitude when serving as nanopore membranes. This work demonstrates the DOD-tuned property in amorphous monolayer carbon and provides a new candidate for modern membrane science and technology.
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Affiliation(s)
- Shizhuo Liu
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Ran Cao
- School of Materials Science and Engineering, Tsinghua University Beijing 100084 China
| | - Jiani Hu
- School of Physics, Peking University Beijing 100871 China
| | - Huifeng Tian
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Yinhang Ma
- School of Physical Sciences and CAS Key Laboratory of Vacuum Physics, University of Chinese Academy of Sciences Beijing 100190 China
| | - Honglei Xue
- School of Materials Science and Engineering, Tsinghua University Beijing 100084 China
| | - Zhenjiang Li
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Zhixin Yao
- School of Materials Science and Engineering, Peking University Beijing 100871 China
- Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology Taiyuan 030024 China
| | - Ruijie Li
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Peichi Liao
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Yihan Wang
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Lina Yang Zhang
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Ge Yin
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - U Sasaki
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Junjie Guo
- Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology Taiyuan 030024 China
| | - Lifen Wang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190 China
- Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China
| | - Xiaoyan Zhang
- School of Pharmaceutical Sciences, Capita Medical University Beijing 100069 China
| | - Wu Zhou
- School of Physical Sciences and CAS Key Laboratory of Vacuum Physics, University of Chinese Academy of Sciences Beijing 100190 China
| | - Ji Chen
- School of Physics, Peking University Beijing 100871 China
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University Beijing 100871 China
| | - Wangyang Fu
- School of Materials Science and Engineering, Tsinghua University Beijing 100084 China
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University Beijing 100871 China
| | - Lei Liu
- School of Materials Science and Engineering, Peking University Beijing 100871 China
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University Beijing 100871 China
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7
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Lei D, Zhang Z, Jiang L. Bioinspired 2D nanofluidic membranes for energy applications. Chem Soc Rev 2024; 53:2300-2325. [PMID: 38284167 DOI: 10.1039/d3cs00382e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
Bioinspired two-dimensional (2D) nanofluidic membranes have been explored for the creation of high-performance ion transport systems that can mimic the delicate transport functions of living organisms. Advanced energy devices made from these membranes show excellent energy storage and conversion capabilities. Further research and development in this area are essential to unlock the full potential of energy devices and facilitate the development of high-performance equipment toward real-world applications and a sustainable future. However, there has been minimal review and summarization of 2D nanofluidic membranes in recent years. Thus, it is necessary to carry out an extensive review to provide a survey library for researchers in related fields. In this review, the classification and the raw materials that are used to construct 2D nanofluidic membranes are first presented. Second, the top-down and bottom-up methods for constructing 2D membranes are introduced. Next, the applications of bioinspired 2D membranes in osmotic energy, hydraulic energy, mechanical energy, photoelectric conversion, lithium batteries, and flow batteries are discussed in detail. Finally, the opportunities and challenges that 2D nanofluidic membranes are likely to face in the future are envisioned. This review aims to provide a broad knowledge base for constructing high-performance bioinspired 2D nanofluidic membranes for advanced energy applications.
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Affiliation(s)
- Dandan Lei
- School of Chemistry and Materials Science, University of Science and Technology of China, 230026, Hefei, Anhui, China.
- Suzhou Institute for Advanced Research, University of Science and Technology of China, 215123, Suzhou, Jiangsu, China
| | - Zhen Zhang
- School of Chemistry and Materials Science, University of Science and Technology of China, 230026, Hefei, Anhui, China.
- Suzhou Institute for Advanced Research, University of Science and Technology of China, 215123, Suzhou, Jiangsu, China
| | - Lei Jiang
- School of Chemistry and Materials Science, University of Science and Technology of China, 230026, Hefei, Anhui, China.
- Suzhou Institute for Advanced Research, University of Science and Technology of China, 215123, Suzhou, Jiangsu, China
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 100190, Beijing, China
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8
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Sülzle J, Yang W, Shimoda Y, Ronceray N, Mayner E, Manley S, Radenovic A. Label-Free Imaging of DNA Interactions with 2D Materials. ACS PHOTONICS 2024; 11:737-744. [PMID: 38405387 PMCID: PMC10885193 DOI: 10.1021/acsphotonics.3c01604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 02/27/2024]
Abstract
Two-dimensional (2D) materials offer potential as substrates for biosensing devices, as their properties can be engineered to tune interactions between the surface and biomolecules. Yet, not many methods can measure these interactions in a liquid environment without introducing labeling agents such as fluorophores. In this work, we harness interferometric scattering (iSCAT) microscopy, a label-free imaging technique, to investigate the interactions of single molecules of long dsDNA with 2D materials. The millisecond temporal resolution of iSCAT allows us to capture the transient interactions and to observe the dynamics of unlabeled DNA binding to a hexagonal boron nitride (hBN) surface in solution for extended periods (including a fraction of 10%, of trajectories lasting longer than 110 ms). Using a focused ion beam technique to engineer defects, we find that DNA binding affinity is enhanced at defects; when exposed to long lanes, DNA binds preferentially at the lane edges. Overall, we demonstrate that iSCAT imaging is a useful tool to study how biomolecules interact with 2D materials, a key component in engineering future biosensors.
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Affiliation(s)
- Jenny Sülzle
- Institute
of Physics and Institute of Bioengineering, Laboratory of Experimental
Biophysics (LEB), École Polytechnique
Fédérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Wayne Yang
- Institute
of Bioengineering, Laboratory of Nanoscale Biology (LBEN), École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Yuta Shimoda
- Institute
of Bioengineering, Laboratory of Nanoscale Biology (LBEN), École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Nathan Ronceray
- Institute
of Bioengineering, Laboratory of Nanoscale Biology (LBEN), École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Eveline Mayner
- Institute
of Bioengineering, Laboratory of Nanoscale Biology (LBEN), École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Suliana Manley
- Institute
of Physics and Institute of Bioengineering, Laboratory of Experimental
Biophysics (LEB), École Polytechnique
Fédérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Aleksandra Radenovic
- Institute
of Bioengineering, Laboratory of Nanoscale Biology (LBEN), École Polytechnique Fédérale
de Lausanne (EPFL), Lausanne, 1015, Switzerland
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9
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Wang C, Seo E, Park J. Surface-dominant micro/nanofluidics for efficient green energy conversion. BIOMICROFLUIDICS 2024; 18:011503. [PMID: 38370510 PMCID: PMC10869172 DOI: 10.1063/5.0190934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 01/20/2024] [Indexed: 02/20/2024]
Abstract
Green energy conversion in aqueous systems has attracted considerable interest owing to the sustainable clean energy demand resulting from population and economic growth and urbanization, as well as the significant potential energy from water resources and other regenerative sources coupled with fluids. In particular, molecular motion based on intrinsic micro/nanofluidic phenomena at the liquid-solid interface (LSI) is crucial for efficient and sustainable green energy conversion. The electrical double layer is the main factor affecting transport, interaction between molecules and surfaces, non-uniform ion distribution, synthesis, stimulated reactions, and motion by external renewable resources in both closed nanoconfinement and open surfaces. In this review, we summarize the state-of-the-art progress in physical and chemical reaction-based green energy conversion in LSI, including nanoscale fabrication, key mechanisms, applications, and limitations for practical implementation. The prospects for resolving critical challenges in this field and inspiring other promising research areas in the infancy stage (studying chemical and biological dynamics at the single-molecule level and nanofluidic neuromorphic computing) are also discussed.
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Affiliation(s)
- Cong Wang
- School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), 388 Lumo Road, Wuhan 430074, China
| | - Eunseok Seo
- Department of Mechanical Engineering, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 04107, Republic of Korea
| | - Jungyul Park
- Department of Mechanical Engineering, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 04107, Republic of Korea
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10
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Bhardwaj A, Surmani Martins MV, You Y, Sajja R, Rimmer M, Goutham S, Qi R, Abbas Dar S, Radha B, Keerthi A. Fabrication of angstrom-scale two-dimensional channels for mass transport. Nat Protoc 2024; 19:240-280. [PMID: 38012396 DOI: 10.1038/s41596-023-00911-x] [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: 01/03/2023] [Accepted: 08/31/2023] [Indexed: 11/29/2023]
Abstract
Fluidic channels at atomic scales regulate cellular trafficking and molecular filtration across membranes, and thus play crucial roles in the functioning of living systems. However, constructing synthetic channels experimentally at these scales has been a significant challenge due to the limitations in nanofabrication techniques and the surface roughness of the commonly used materials. Angstrom (Å)-scale slit-like channels overcome such challenges as these are made with precise control over their dimensions and can be used to study the fluidic properties of gases, ions and water at unprecedented scales. Here we provide a detailed fabrication method of the two-dimensional Å-scale channel devices that can be assembled to contain a desired number of channels, a single channel or up to hundreds of channels, made with atomic-scale precision using layered crystals. The procedure includes the fabrication of the substrate, flake, spacer layer, flake transfers, van der Waals assembly and postprocessing. We further explain how to perform molecular transport measurements with the Å-channels to directly probe the intriguing and anomalous phenomena that help shed light on the physics governing ultra-confined transport. The procedure requires a total of 1-2 weeks for the fabrication of the two-dimensional channel device and is suitable for users with prior experience in clean room working environments and nanofabrication.
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Affiliation(s)
- Ankit Bhardwaj
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Marcos Vinicius Surmani Martins
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Yi You
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Ravalika Sajja
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Max Rimmer
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Solleti Goutham
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Rongrong Qi
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Sidra Abbas Dar
- National Graphene Institute, The University of Manchester, Manchester, UK
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK
| | - Boya Radha
- National Graphene Institute, The University of Manchester, Manchester, UK.
- Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Ashok Keerthi
- National Graphene Institute, The University of Manchester, Manchester, UK.
- Department of Chemistry, School of Natural Sciences, The University of Manchester, Manchester, UK.
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11
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Tang L, Zou J. p-Type Two-Dimensional Semiconductors: From Materials Preparation to Electronic Applications. NANO-MICRO LETTERS 2023; 15:230. [PMID: 37848621 PMCID: PMC10582003 DOI: 10.1007/s40820-023-01211-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/04/2023] [Indexed: 10/19/2023]
Abstract
Two-dimensional (2D) materials are regarded as promising candidates in many applications, including electronics and optoelectronics, because of their superior properties, including atomic-level thickness, tunable bandgaps, large specific surface area, and high carrier mobility. In order to bring 2D materials from the laboratory to industrialized applications, materials preparation is the first prerequisite. Compared to the n-type analogs, the family of p-type 2D semiconductors is relatively small, which limits the broad integration of 2D semiconductors in practical applications such as complementary logic circuits. So far, many efforts have been made in the preparation of p-type 2D semiconductors. In this review, we overview recent progresses achieved in the preparation of p-type 2D semiconductors and highlight some promising methods to realize their controllable preparation by following both the top-down and bottom-up strategies. Then, we summarize some significant application of p-type 2D semiconductors in electronic and optoelectronic devices and their superiorities. In end, we conclude the challenges existed in this field and propose the potential opportunities in aspects from the discovery of novel p-type 2D semiconductors, their controlled mass preparation, compatible engineering with silicon production line, high-κ dielectric materials, to integration and applications of p-type 2D semiconductors and their heterostructures in electronic and optoelectronic devices. Overall, we believe that this review will guide the design of preparation systems to fulfill the controllable growth of p-type 2D semiconductors with high quality and thus lay the foundations for their potential application in electronics and optoelectronics.
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Affiliation(s)
- Lei Tang
- Songshan Lake Materials Laboratory, Dongguan, 523808, Guangdong, People's Republic of China.
| | - Jingyun Zou
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, Jiangsu, People's Republic of China.
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12
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Wei X, Penkauskas T, Reiner JE, Kennard C, Uline MJ, Wang Q, Li S, Aksimentiev A, Robertson JW, Liu C. Engineering Biological Nanopore Approaches toward Protein Sequencing. ACS NANO 2023; 17:16369-16395. [PMID: 37490313 PMCID: PMC10676712 DOI: 10.1021/acsnano.3c05628] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
Biotechnological innovations have vastly improved the capacity to perform large-scale protein studies, while the methods we have for identifying and quantifying individual proteins are still inadequate to perform protein sequencing at the single-molecule level. Nanopore-inspired systems devoted to understanding how single molecules behave have been extensively developed for applications in genome sequencing. These nanopore systems are emerging as prominent tools for protein identification, detection, and analysis, suggesting realistic prospects for novel protein sequencing. This review summarizes recent advances in biological nanopore sensors toward protein sequencing, from the identification of individual amino acids to the controlled translocation of peptides and proteins, with attention focused on device and algorithm development and the delineation of molecular mechanisms with the aid of simulations. Specifically, the review aims to offer recommendations for the advancement of nanopore-based protein sequencing from an engineering perspective, highlighting the need for collaborative efforts across multiple disciplines. These efforts should include chemical conjugation, protein engineering, molecular simulation, machine-learning-assisted identification, and electronic device fabrication to enable practical implementation in real-world scenarios.
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Affiliation(s)
- Xiaojun Wei
- Biomedical Engineering Program, University of South Carolina, Columbia, SC 29208, United States
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, United States
| | - Tadas Penkauskas
- Biophysics and Biomedical Measurement Group, Microsystems and Nanotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, United States
- School of Engineering, Brown University, Providence, RI 02912, United States
| | - Joseph E. Reiner
- Department of Physics, Virginia Commonwealth University, Richmond, VA 23284, United States
| | - Celeste Kennard
- Biomedical Engineering Program, University of South Carolina, Columbia, SC 29208, United States
| | - Mark J. Uline
- Biomedical Engineering Program, University of South Carolina, Columbia, SC 29208, United States
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, United States
| | - Qian Wang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, United States
| | - Sheng Li
- School of Data Science, University of Virginia, Charlottesville, VA 22903, United States
| | - Aleksei Aksimentiev
- Department of Physics and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States
| | - Joseph W.F. Robertson
- Biophysics and Biomedical Measurement Group, Microsystems and Nanotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, United States
| | - Chang Liu
- Biomedical Engineering Program, University of South Carolina, Columbia, SC 29208, United States
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, United States
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13
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Tayo BO, Walkup MA, Caliskan S. Adsorption of DNA nucleobases on single-layer Ti 3C 2 MXene and graphene: vdW-corrected DFT and NEGF studies. AIP ADVANCES 2023; 13:085213. [PMID: 37575976 PMCID: PMC10415020 DOI: 10.1063/5.0160784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 07/24/2023] [Indexed: 08/15/2023]
Abstract
We investigated the interaction of DNA nucleobases [adenine (A), guanine (G), thymine (T), and cytosine (C)] with single-layer Ti3C2 MXene using Van der Waals (vdW)-corrected density functional theory and non-equilibrium Green's function methods. All calculations were benchmarked against graphene. We showed that depending on the initial vertical height of a nucleobase above the Ti3C2 surface, two interaction mechanisms are possible, namely, physisorption and chemisorption. For graphene, DNA nucleobases always physisorbed onto the graphene surface irrespective of the initial vertical height of the nucleobase above the graphene sheet. The PBE+vdW binding energies for graphene are high (0.55-0.74 eV) and follow the order G > A > T > C, with adsorption heights in the range of 3.16-3.22 Å, indicating strong physisorption. For Ti3C2, the PBE+vdW binding energies are relatively weaker (0.16-0.20 eV) and follow the order A > G = T > C, with adsorption heights in the range of 5.51-5.60 Å, indicating weak physisorption. The binding energies for chemisorption follow the order G > A > T > C, which is the same order for physisorption. The binding energy values (5.3-7.5 eV) indicate very strong chemisorption (∼40 times larger than the physisorption binding energies). Furthermore, our band structure and electronic transport analysis showed that for physisorption, there is neither significant variation in the band structure nor modulation in the transmission function and device density of states. The relatively weak physisorption and strong chemisorption show that Ti3C2 might not be capable of identifying DNA nucleobases using the physisorption method.
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Affiliation(s)
- Benjamin O. Tayo
- School of Engineering, University of Central Oklahoma, Edmond, Oklahoma 73034, USA
| | - Michael A. Walkup
- School of Engineering, University of Central Oklahoma, Edmond, Oklahoma 73034, USA
| | - Serkan Caliskan
- Department of Physical and Applied Sciences, University of Houston–Clear Lake, Houston, Texas 77058, USA
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14
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Wang F, Zhao C, Zhao P, Chen F, Qiao D, Feng J. MoS 2 nanopore identifies single amino acids with sub-1 Dalton resolution. Nat Commun 2023; 14:2895. [PMID: 37210427 DOI: 10.1038/s41467-023-38627-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/09/2023] [Indexed: 05/22/2023] Open
Abstract
The sequencing of single protein molecules using nanopores is faced with a huge challenge due to the lack of resolution needed to resolve single amino acids. Here we report the direct experimental identification of single amino acids in nanopores. With atomically engineered regions of sensitivity comparable to the size of single amino acids, MoS2 nanopores provide a sub-1 Dalton resolution for discriminating the chemical group difference of single amino acids, including recognizing the amino acid isomers. This ultra-confined nanopore system is further used to detect the phosphorylation of individual amino acids, demonstrating its capability for reading post-translational modifications. Our study suggests that a sub-nanometer engineered pore has the potential to be applied in future chemical recognition and de novo protein sequencing at the single-molecule level.
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Affiliation(s)
- Fushi Wang
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Chunxiao Zhao
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Pinlong Zhao
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Fanfan Chen
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Dan Qiao
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Jiandong Feng
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China.
- Research Center for Quantum Sensing, Research Institute of Intelligent Sensing, Zhejiang Lab, 311121, Hangzhou, China.
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15
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Xi G, Wu L, Meng H, Li F, Ge Q, Tu J. Discriminating Single Nucleotide Variations in Solid-State Nanopores by Evaluating the Combination Efficiency between DNA Polymerase and Its Substrate. J Phys Chem B 2023. [PMID: 37197998 DOI: 10.1021/acs.jpcb.3c01912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
A single nucleotide variant present between two otherwise identical nucleic acids will have unexpected functional consequences frequently. Here, a neoteric single nucleotide variation (SNV) detection assay that integrates two complementary nanotechnology systems, nanoassembly technology and an ingenious nanopore biosensing platform, has been applied to this research. Specifically, we set up a detection system to reflect the binding efficiency of the polymerase and nanoprobe through the difference of nanopore signals and then explore the effect of base mutation at the binding site. In addition, machine learning based on support vector machines is used to automatically classify characteristic events mapped by nanopore signals. Our system reliably discriminates single nucleotide variants at binding sites, even possessing the recognition among transitions, transversions, and hypoxanthine (base I). Our results demonstrate the potential of solid-state nanopore detection for SNV and provide some ideas for expanding solid-state nanopore detection platforms.
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Affiliation(s)
- Guohao Xi
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lingzhi Wu
- School of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210046, China
| | - Hao Meng
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Fuyao Li
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Qinyu Ge
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Jing Tu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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16
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Mohammadi MM, Bavi O, Jamali Y. DNA sequencing via molecular dynamics simulation with functionalized graphene nanopore. J Mol Graph Model 2023; 122:108467. [PMID: 37028198 DOI: 10.1016/j.jmgm.2023.108467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/17/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023]
Abstract
Through this research, functionalized graphene nanopores are used to verify how effective such an apparatus for DNA sequencing is. The circular symmetric pores are functionalized with hydrogen and a hydroxyl group bonded with carbon atoms of the pore rim. Plus, two adenine bases are also put at the rim perimeter to verify whether such a combination would lead to base detection. A homopolymer of single-stranded DNA (ssDNA) is pulled through a nanopore using steered molecular dynamics (SMD) simulation. Pulling force profile, moving fashion of ssDNA in irreversible DNA pulling as well as the base orientation during translocation relative to the graphene plane, called beta angle, are assessed. Based on the studied parameters, SMD force, and base orientation, the hydrogenated and hydroxylated pores do not show a clear distinction between bases, while the adenine-functionalized pore can distinguish between adenine and cytosine. Therefore, there may be some hope for achieving single-base sequencing, while further research is needed.
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17
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Aluru NR, Aydin F, Bazant MZ, Blankschtein D, Brozena AH, de Souza JP, Elimelech M, Faucher S, Fourkas JT, Koman VB, Kuehne M, Kulik HJ, Li HK, Li Y, Li Z, Majumdar A, Martis J, Misra RP, Noy A, Pham TA, Qu H, Rayabharam A, Reed MA, Ritt CL, Schwegler E, Siwy Z, Strano MS, Wang Y, Yao YC, Zhan C, Zhang Z. Fluids and Electrolytes under Confinement in Single-Digit Nanopores. Chem Rev 2023; 123:2737-2831. [PMID: 36898130 PMCID: PMC10037271 DOI: 10.1021/acs.chemrev.2c00155] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Confined fluids and electrolyte solutions in nanopores exhibit rich and surprising physics and chemistry that impact the mass transport and energy efficiency in many important natural systems and industrial applications. Existing theories often fail to predict the exotic effects observed in the narrowest of such pores, called single-digit nanopores (SDNs), which have diameters or conduit widths of less than 10 nm, and have only recently become accessible for experimental measurements. What SDNs reveal has been surprising, including a rapidly increasing number of examples such as extraordinarily fast water transport, distorted fluid-phase boundaries, strong ion-correlation and quantum effects, and dielectric anomalies that are not observed in larger pores. Exploiting these effects presents myriad opportunities in both basic and applied research that stand to impact a host of new technologies at the water-energy nexus, from new membranes for precise separations and water purification to new gas permeable materials for water electrolyzers and energy-storage devices. SDNs also present unique opportunities to achieve ultrasensitive and selective chemical sensing at the single-ion and single-molecule limit. In this review article, we summarize the progress on nanofluidics of SDNs, with a focus on the confinement effects that arise in these extremely narrow nanopores. The recent development of precision model systems, transformative experimental tools, and multiscale theories that have played enabling roles in advancing this frontier are reviewed. We also identify new knowledge gaps in our understanding of nanofluidic transport and provide an outlook for the future challenges and opportunities at this rapidly advancing frontier.
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Affiliation(s)
- Narayana R Aluru
- Oden Institute for Computational Engineering and Sciences, Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, 78712TexasUnited States
| | - Fikret Aydin
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
| | - Martin Z Bazant
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
- Department of Mathematics, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Daniel Blankschtein
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Alexandra H Brozena
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland20742, United States
| | - J Pedro de Souza
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Menachem Elimelech
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut06520-8286, United States
| | - Samuel Faucher
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - John T Fourkas
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland20742, United States
- Institute for Physical Science and Technology, University of Maryland, College Park, Maryland20742, United States
- Maryland NanoCenter, University of Maryland, College Park, Maryland20742, United States
| | - Volodymyr B Koman
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Matthias Kuehne
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Heather J Kulik
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Hao-Kun Li
- Department of Mechanical Engineering, Stanford University, Stanford, California94305, United States
| | - Yuhao Li
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
| | - Zhongwu Li
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
| | - Arun Majumdar
- Department of Mechanical Engineering, Stanford University, Stanford, California94305, United States
| | - Joel Martis
- Department of Mechanical Engineering, Stanford University, Stanford, California94305, United States
| | - Rahul Prasanna Misra
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Aleksandr Noy
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
- School of Natural Sciences, University of California Merced, Merced, California95344, United States
| | - Tuan Anh Pham
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
| | - Haoran Qu
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland20742, United States
| | - Archith Rayabharam
- Oden Institute for Computational Engineering and Sciences, Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, 78712TexasUnited States
| | - Mark A Reed
- Department of Electrical Engineering, Yale University, 15 Prospect Street, New Haven, Connecticut06520, United States
| | - Cody L Ritt
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut06520-8286, United States
| | - Eric Schwegler
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
| | - Zuzanna Siwy
- Department of Physics and Astronomy, Department of Chemistry, Department of Biomedical Engineering, University of California, Irvine, Irvine92697, United States
| | - Michael S Strano
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - YuHuang Wang
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland20742, United States
- Maryland NanoCenter, University of Maryland, College Park, Maryland20742, United States
| | - Yun-Chiao Yao
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
- School of Natural Sciences, University of California Merced, Merced, California95344, United States
| | - Cheng Zhan
- Materials Science Division, Physical and Life Science Directorate, Lawrence Livermore National Laboratory, Livermore, California94550, United States
| | - Ze Zhang
- Department of Mechanical Engineering, Stanford University, Stanford, California94305, United States
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18
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Alibakhshi MA, Kang X, Clymer D, Zhang Z, Vargas A, Meunier V, Wanunu M. Scaled-Up Synthesis of Freestanding Molybdenum Disulfide Membranes for Nanopore Sensing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2207089. [PMID: 36580439 DOI: 10.1002/adma.202207089] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 12/08/2022] [Indexed: 06/17/2023]
Abstract
2D materials are ideal for nanopores with optimal detection sensitivity and resolution. Among these, molybdenum disulfide (MoS2 ) has gained traction as a less hydrophobic material than graphene. However, experiments using 2D nanopores remain challenging due to the lack of scalable methods for high-quality freestanding membranes. Herein, a site-directed, scaled-up synthesis of MoS2 membranes on predrilled nanoapertures on 4-inch wafer substrates with 75% yields is reported. Chemical vapor deposition (CVD), which introduces sulfur and molybdenum dioxide vapors across the sub-100 nm nanoapertures results in exclusive formation of freestanding membranes that seal the apertures. Nucleation and growth near the nanoaperture edges is followed by nanoaperture decoration with MoS2 , which proceeds until a critical flake curvature is achieved, after which fully spanning freestanding membranes form. Intentional blocking of reagent flow through the apertures inhibits MoS2 nucleation around the nanoapertures, promoting the formation of large-crystal monolayer MoS2 membranes. The in situ grown membranes along with facile membrane wetting and nanopore formation using dielectric breakdown enables the recording of dsDNA translocation events at an unprecedentedly high 1 MHz bandwidth. The methods presented here are important steps toward the development of scalable single-layer membrane manufacture for 2D nanofluidics and nanopore applications.
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Affiliation(s)
| | - Xinqi Kang
- Department of Bioengineering, Northeastern University, Boston, MA, 02115, USA
| | - David Clymer
- Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Zhuoyu Zhang
- School of Physics, Nankai University, Tianjin, 300071, P.R. China
| | - Anthony Vargas
- Department of Physics, Northeastern University, Boston, MA, 02115, USA
| | - Vincent Meunier
- Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Meni Wanunu
- Department of Physics, Northeastern University, Boston, MA, 02115, USA
- Department of Bioengineering, Northeastern University, Boston, MA, 02115, USA
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19
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Thakur M, Cai N, Zhang M, Teng Y, Chernev A, Tripathi M, Zhao Y, Macha M, Elharouni F, Lihter M, Wen L, Kis A, Radenovic A. High durability and stability of 2D nanofluidic devices for long-term single-molecule sensing. NPJ 2D MATERIALS AND APPLICATIONS 2023; 7:11. [PMID: 38665480 PMCID: PMC11041726 DOI: 10.1038/s41699-023-00373-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 02/10/2023] [Indexed: 04/28/2024]
Abstract
Nanopores in two-dimensional (2D) membranes hold immense potential in single-molecule sensing, osmotic power generation, and information storage. Recent advances in 2D nanopores, especially on single-layer MoS2, focus on the scalable growth and manufacturing of nanopore devices. However, there still remains a bottleneck in controlling the nanopore stability in atomically thin membranes. Here, we evaluate the major factors responsible for the instability of the monolayer MoS2 nanopores. We identify chemical oxidation and delamination of monolayers from their underlying substrates as the major reasons for the instability of MoS2 nanopores. Surface modification of the substrate and reducing the oxygen from the measurement solution improves nanopore stability and dramatically increases their shelf-life. Understanding nanopore growth and stability can provide insights into controlling the pore size, shape and can enable long-term measurements with a high signal-to-noise ratio and engineering durable nanopore devices.
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Affiliation(s)
- Mukeshchand Thakur
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Nianduo Cai
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Miao Zhang
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Yunfei Teng
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
- CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 100190 Beijing, China
- School of Future Technology, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Andrey Chernev
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Mukesh Tripathi
- Laboratory of Nanoscale Electronics and Structure, Institute of Electrical Engineering and Institute of Materials Science and Engineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Yanfei Zhao
- Laboratory of Nanoscale Electronics and Structure, Institute of Electrical Engineering and Institute of Materials Science and Engineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Michal Macha
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Farida Elharouni
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Martina Lihter
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Liping Wen
- CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 100190 Beijing, China
- School of Future Technology, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Andras Kis
- Laboratory of Nanoscale Electronics and Structure, Institute of Electrical Engineering and Institute of Materials Science and Engineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
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20
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Niu M, Chen Y, Chen F, Zhao C, Yang Y, Xu Y, Feng J. Light-Driven Ion Transport through Single-Heterojunction Nanopores. NANO LETTERS 2023; 23:1010-1016. [PMID: 36693172 DOI: 10.1021/acs.nanolett.2c04507] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Inspired by natural photosynthesis, light has become an emerging ionic behavior regulator and ion-pumping source. Nanoprocessing technology has allowed the bridge between the light-regulated nanofluids and the optoelectronic properties of two-dimensional (2D) materials, which inspires applications like energy harvesting and enhances fundamental understandings in nanofluidics. However, unlike light-induced ion pumping based on densely layered membranes with multiple nanochannels, experimental implementation on atomically thin materials featuring only a single nanochannel remains challenging. Here, we report light-induced ion pumping based on a single artificial heterojunction nanopore. Under light illumination, the induced current through a single nanopore reaches tens of picoamperes. The hole-electron separation originating from the optoelectrical property of a van der Waals PN junction is proposed to capture the light-driven ion transport. Further, different methods are adopted to modify the ion behavior and response time, presenting potential applications in fluidic photoenergy harvesting, photoelectric ion transport control, and bionic artificial neurons.
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Affiliation(s)
- Mengdi Niu
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Yuang Chen
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Fanfan Chen
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Chunxiao Zhao
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Yibo Yang
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Yang Xu
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Jiandong Feng
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
- Research Center for Quantum Sensing, Research Institute of Intelligent Sensing, Zhejiang Lab, , Hangzhou 311121, People's Republic of China
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21
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Yadav SK, D M, Singh C, Kumar M, G A, Ramaprabhu S, Nandigana VVR, Nayak PK. Laser-Assisted Scalable Pore Fabrication in Graphene Membranes for Blue-Energy Generation. Chemphyschem 2022; 24:e202200598. [PMID: 36510477 DOI: 10.1002/cphc.202200598] [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: 08/11/2022] [Revised: 12/09/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022]
Abstract
The osmotic energy from a salinity gradient (i. e. blue energy) is identified as a promising non-intermittent renewable energy source for a sustainable technology. However, this membrane-based technology is facing major limitations for large-scale viability, primarily due to the poor membrane performance. An atomically thin 2D nanoporous material with high surface charge density resolves the bottleneck and leads to a new class of membrane material the salinity gradient energy. Although 2D nanoporous membranes show extremely high performance in terms of energy generation through the single pore, the fabrication and technical challenges such as ion concentration polarization make the nanoporous membrane a non-viable solution. On the other hand, the mesoporous and micro porous structures in the 2D membrane result in improved energy generation with very low fabrication complexity. In the present work, we report femtosecond (fs) laser-assisted scalable fabrication of μm to mm size pores on Graphene membrane for blue energy generation for the first time. A remarkable osmotic power in the order of μW has been achieved using mm size pores, which is about six orders of magnitudes higher compared to nanoporous membranes, which is mainly due to the diffusion-osmosis driven large ionic flux. Our work paves the way towards fs laser-assisted scalable pore creation in the 2D membrane for large-scale osmotic power generation.
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Affiliation(s)
- Sharad Kumar Yadav
- Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India.,Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India.,Micro Nano and Bio-Fluidics Group, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Manikandan D
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India
| | - Chob Singh
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India
| | - Mukesh Kumar
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India
| | - Aswathy G
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India
| | - Sundara Ramaprabhu
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India.,Alternative Energy and Nanotechnology Laboratory (AENL), Nano Functional Materials Technology Centre (NFMTC), Indian Institute of Technology Madras, Chennai, India
| | - Vishal V R Nandigana
- Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Pramoda K Nayak
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600 036, India.,Micro Nano and Bio-Fluidics Group, Indian Institute of Technology Madras, Chennai, 600036, India.,2D Materials Research and Innovation Group, Indian Institute of Technology Madras, Chennai, 600036, India.,Centre for Nano and Material Sciences, Jain (Deemed-to-be University), Jain Global Campus, Kanakapura, Bangalore, 562112, India
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22
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Yadav SK, Manikandan D, Singh C, Kumar M, Nandigana VVR, Nayak PK. Electrodiffusioosmosis induced negative differential resistance in micro-to-millimeter size pores through a graphene/copper membrane. NANOSCALE ADVANCES 2022; 4:5123-5131. [PMID: 36504743 PMCID: PMC9680926 DOI: 10.1039/d2na00443g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 10/07/2022] [Indexed: 06/17/2023]
Abstract
Negative differential resistance (NDR) is one of the nonlinear transport phenomena in which ionic current decreases with the increase in electromotive potential. Electro-osmosis, diffusio-osmosis, and surface charge density of pores are the driving forces for observing NDR in nanoscale ion transport. Here, we report electrodiffusioosmosis induced NDR using micro to millimeter size pores in a two-dimensional (2D) graphene-coated copper (Gr/Cu) membrane. Along with NDR, we also observed ion current rectification (ICR), in which there is preferential one-directional ion flow for equal and opposite potentials. The experimentally observed NDR effect has been validated by performing ion transport simulations using Poisson-Nernst-Planck (PNP) equations and Navier-Stokes equations with the help of COMSOL Multiphysics considering salinity gradient across the membrane. Charge polarization induced electro-osmotic flow (EOF) dominates over diffusio-osmosis, causing the backflow of low concentration/conductivity solution into the pore, thereby causing NDR. This finding paves the way toward potential applications in ionic tunnel diodes as rectifiers, switches, amplifiers, and biosensors.
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Affiliation(s)
- Sharad Kumar Yadav
- Department of Mechanical Engineering, Indian Institute of Technology Madras Chennai 600036 India
- Department of Physics, Indian Institute of Technology Madras Chennai 600036 India
- Micro Nano and Bio-Fluidics Group, Indian Institute of Technology Madras Chennai-600036 India
| | - D Manikandan
- Department of Physics, Indian Institute of Technology Madras Chennai 600036 India
| | - Chob Singh
- Department of Physics, Indian Institute of Technology Madras Chennai 600036 India
| | - Mukesh Kumar
- Department of Physics, Indian Institute of Technology Madras Chennai 600036 India
| | - Vishal V R Nandigana
- Department of Mechanical Engineering, Indian Institute of Technology Madras Chennai 600036 India
- Micro Nano and Bio-Fluidics Group, Indian Institute of Technology Madras Chennai-600036 India
| | - Pramoda K Nayak
- Department of Physics, Indian Institute of Technology Madras Chennai 600036 India
- Micro Nano and Bio-Fluidics Group, Indian Institute of Technology Madras Chennai-600036 India
- 2D Materials Research and Innovation Group, Indian Institute of Technology Madras Chennai-600036 India
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23
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Macha M, Marion S, Tripathi M, Thakur M, Lihter M, Kis A, Smolyanitsky A, Radenovic A. High-Throughput Nanopore Fabrication and Classification Using Xe-Ion Irradiation and Automated Pore-Edge Analysis. ACS NANO 2022; 16:16249-16259. [PMID: 36153997 DOI: 10.1021/acsnano.2c05201] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Large-area nanopore drilling is a major bottleneck in state-of-the-art nanoporous 2D membrane fabrication protocols. In addition, high-quality structural and statistical descriptions of as-fabricated porous membranes are key to predicting the corresponding membrane-wide permeation properties. In this work, we investigate Xe-ion focused ion beam as a tool for scalable, large-area nanopore fabrication on atomically thin, free-standing molybdenum disulfide. The presented irradiation protocol enables designing ultrathin membranes with tunable porosity and pore dimensions, along with spatial uniformity across large-area substrates. Fabricated nanoporous membranes are then characterized using scanning transmission electron microscopy imaging, and the observed nanopore geometries are analyzed through a pore-edge detection and analysis script. We further demonstrate that the obtained structural and statistical data can be readily passed on to computational and analytical tools to predict the permeation properties at both individual pore and membrane-wide scales. As an example, membranes featuring angstrom-scale pores are investigated in terms of their emerging water and ion flow properties through extensive all-atom molecular dynamics simulations. We believe that the combination of experimental and analytical approaches presented here will yield accurate physics-based property estimates and thus potentially enable a true function-by-design approach to fabrication for applications such as osmotic power generation and desalination/filtration.
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Affiliation(s)
- Michal Macha
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Sanjin Marion
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
- Interuniversity Microelectronics Centre (IMEC), Kapeldreef 75, B-3001 Leuven, Belgium
| | - Mukesh Tripathi
- Laboratory of Nanoscale Electronics and Structures, Electrical Engineering Institute and Institute of Materials Science Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Mukeshchand Thakur
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Martina Lihter
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Andras Kis
- Laboratory of Nanoscale Electronics and Structures, Electrical Engineering Institute and Institute of Materials Science Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Alex Smolyanitsky
- National Institute of Standards and Technology, Applied Chemicals and Materials Division, 325 Broadway, Boulder, Colorado 80305, United States
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, 1015, Switzerland
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24
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Yang J, Tu B, Fang M, Li L, Tang Z. Nanoscale Pore-Pore Coupling Effect on Ion Transport through Ordered Porous Monolayers. ACS NANO 2022; 16:13294-13300. [PMID: 35969205 DOI: 10.1021/acsnano.2c05907] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Distinct from the conventional view that nanopores are considered independent channels for mass transport, recent study on the covalent organic framework (COF)-based monolayers characteristic of an ordered nanopore array exhibits a series of interesting properties originating from the strong interactions between adjacent pores. These interactions are determined to be highly dependent on interpore distance and pose a significant influence on the ion transport, accounting for the exceptional membrane performance including both selectivity and conductance. In this Perspective, we discuss the recently discovered nanoscale pore-pore coupling as well as the exciting features of porous nanostructures. We also look at the challenges and future opportunities of ion transport in ordered porous monolayers in the aspects of both fundamental research and practical use.
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Affiliation(s)
- Jinlei Yang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Bin Tu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Munan Fang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Lianshan Li
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zhiyong Tang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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25
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Gu Z, He Z, Chen F, Meng L, Feng J, Zhou R. Ionic Liquid Decelerates Single-Stranded DNA Transport through Molybdenum Disulfide Nanopores. ACS APPLIED MATERIALS & INTERFACES 2022; 14:32618-32624. [PMID: 35798544 DOI: 10.1021/acsami.2c03335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Nanopores in two-dimensional (2D) materials have emerged to offer in principle necessary spatial resolution for high-throughput DNA sequencing. However, their fidelity is severely limited by the fast DNA translocation. A recent experiment indicates that introducing ionic liquids could slow down DNA translocation in a MoS2 nanopore. However, the corresponding in-depth molecular mechanism underlying the experimental findings is not fully understood, which is crucial for the future improvement of rational DNA translocation control. Here, we computationally investigate and then experimentally identify the effect of BmimCl ionic liquid on the retardation of ssDNA translocation through a single-layer MoS2 nanopore. Our all-atom molecular dynamics simulations demonstrate that the strong interaction between Bmim+ and ssDNA offers a considerable dragging force to decelerate the electrophoretic motion of ssDNA in the BmimCl solution. Moreover, we show that Bmim+ ions exhibit preferential binding on the sulfur edges of the nanopore. These Bmim+ in the pore region can not only act as a steric blockage but also form π-π stackings with nucleobases, which provide a further restriction on the ssDNA motion. Therefore, our molecular dynamics simulation investigations deepen the understanding of the critical role of ionic liquid in DNA translocation through a nanopore from a molecular landscape, which may benefit practical implementations of ionic liquids in nanopore sequencing.
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Affiliation(s)
- Zonglin Gu
- Institute of Quantitative Biology, Department of Physics, and College of Life Sciences, Zhejiang University, 310027 Hangzhou, China
| | - Zhi He
- Institute of Quantitative Biology, Department of Physics, and College of Life Sciences, Zhejiang University, 310027 Hangzhou, China
| | - Fanfan Chen
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027 Hangzhou, China
| | - Lijun Meng
- Institute of Quantitative Biology, Department of Physics, and College of Life Sciences, Zhejiang University, 310027 Hangzhou, China
| | - Jiandong Feng
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, 310027 Hangzhou, China
| | - Ruhong Zhou
- Institute of Quantitative Biology, Department of Physics, and College of Life Sciences, Zhejiang University, 310027 Hangzhou, China
- Shanghai Institute for Advanced Study, Zhejiang University, 201203 Shanghai, China
- Department of Chemistry, Colombia University, New York City, New York 10027, United States
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26
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Ying C, Ma T, Xu L, Rahmani M. Localized Nanopore Fabrication via Controlled Breakdown. NANOMATERIALS 2022; 12:nano12142384. [PMID: 35889608 PMCID: PMC9323289 DOI: 10.3390/nano12142384] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/01/2022] [Accepted: 07/07/2022] [Indexed: 12/03/2022]
Abstract
Nanopore sensors provide a unique platform to detect individual nucleic acids, proteins, and other biomolecules without the need for fluorescent labeling or chemical modifications. Solid-state nanopores offer the potential to integrate nanopore sensing with other technologies such as field-effect transistors (FETs), optics, plasmonics, and microfluidics, thereby attracting attention to the development of commercial instruments for diagnostics and healthcare applications. Stable nanopores with ideal dimensions are particularly critical for nanopore sensors to be integrated into other sensing devices and provide a high signal-to-noise ratio. Nanopore fabrication, although having benefited largely from the development of sophisticated nanofabrication techniques, remains a challenge in terms of cost, time consumption and accessibility. One of the latest developed methods—controlled breakdown (CBD)—has made the nanopore technique broadly accessible, boosting the use of nanopore sensing in both fundamental research and biomedical applications. Many works have been developed to improve the efficiency and robustness of pore formation by CBD. However, nanopores formed by traditional CBD are randomly positioned in the membrane. To expand nanopore sensing to a wider biomedical application, controlling the localization of nanopores formed by CBD is essential. This article reviews the recent strategies to control the location of nanopores formed by CBD. We discuss the fundamental mechanism and the efforts of different approaches to confine the region of nanopore formation.
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Affiliation(s)
- Cuifeng Ying
- Advanced Optics and Photonics Laboratory, Department of Engineering, School of Science &Technology, Nottingham Trent University, Nottingham NG1 4FQ, UK; (L.X.); (M.R.)
- Correspondence:
| | - 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;
| | - Lei Xu
- Advanced Optics and Photonics Laboratory, Department of Engineering, School of Science &Technology, Nottingham Trent University, Nottingham NG1 4FQ, UK; (L.X.); (M.R.)
| | - Mohsen Rahmani
- Advanced Optics and Photonics Laboratory, Department of Engineering, School of Science &Technology, Nottingham Trent University, Nottingham NG1 4FQ, UK; (L.X.); (M.R.)
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27
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Yang J, Tu B, Zhang G, Liu P, Hu K, Wang J, Yan Z, Huang Z, Fang M, Hou J, Fang Q, Qiu X, Li L, Tang Z. Advancing osmotic power generation by covalent organic framework monolayer. NATURE NANOTECHNOLOGY 2022; 17:622-628. [PMID: 35469012 DOI: 10.1038/s41565-022-01110-7] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Osmotic power, also known as 'blue energy', is produced by mixing solutions of different salt concentrations, and represents a vast, sustainable and clean energy source. The efficiency of harvesting osmotic power is primarily determined by the transmembrane performance, which is in turn dependent on ion conductivity and selectivity towards positive or negative ions. Atomically or molecularly thin membranes with a uniform pore environment and high pore density are expected to possess an outstanding ion permeability and selectivity, but remain unexplored. Here we demonstrate that covalent organic framework monolayer membranes that feature a well-ordered pore arrangement can achieve an extremely low membrane resistivity and ultrahigh ion conductivity. When used as osmotic power generators, these membranes produce an unprecedented output power density over 200 W m-2 on mixing the artificial seawater and river water. This work opens up the application of porous monolayer membranes with an atomically precise structure in osmotic power generation.
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Affiliation(s)
- Jinlei Yang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
| | - Bin Tu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Guangjie Zhang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Pengchao Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
| | - Kui Hu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Jiarong Wang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Zhuang Yan
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Zhiwei Huang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Munan Fang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Junjun Hou
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Qiaojun Fang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Xiaohui Qiu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Lianshan Li
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China.
- University of Chinese Academy of Sciences, Beijing, P. R. China.
| | - Zhiyong Tang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China.
- University of Chinese Academy of Sciences, Beijing, P. R. China.
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28
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Dyck O, Swett JL, Evangeli C, Lupini AR, Mol J, Jesse S. Contrast Mechanisms in Secondary Electron e-Beam-Induced Current (SEEBIC) Imaging. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2022; 28:1-17. [PMID: 35644675 DOI: 10.1017/s1431927622000824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Over the last few years, a new mode for imaging in the scanning transmission electron microscope (STEM) has gained attention as it permits the direct visualization of sample conductivity and electrical connectivity. When the electron beam (e-beam) is focused on the sample in the STEM, secondary electrons (SEs) are generated. If the sample is conductive and electrically connected to an amplifier, the SE current can be measured as a function of the e-beam position. This scenario is similar to the better-known scanning electron microscopy-based technique, electron beam-induced current imaging, except that the signal in the STEM is generated by the emission of SEs, hence the name secondary electron e-beam-induced current (SEEBIC), and in this case, the current flows in the opposite direction. Here, we provide a brief review of recent work in this area, examine the various contrast generation mechanisms associated with SEEBIC, and illustrate its use for the characterization of graphene nanoribbon devices.
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Affiliation(s)
- Ondrej Dyck
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Jacob L Swett
- Biodesign Institute, Arizona State University, Tempe, AZ 87287, USA
- Department of Materials, University of Oxford, Oxford OX1 3PH, UK
| | | | - Andrew R Lupini
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Jan Mol
- School of Physics and Astronomy, Queen Mary University of London, London E1 4NS, UK
| | - Stephen Jesse
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
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29
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Garcia-Esparza AT, Park S, Abroshan H, Paredes Mellone OA, Vinson J, Abraham B, Kim TR, Nordlund D, Gallo A, Alonso-Mori R, Zheng X, Sokaras D. Local Structure of Sulfur Vacancies on the Basal Plane of Monolayer MoS 2. ACS NANO 2022; 16:6725-6733. [PMID: 35380038 DOI: 10.1021/acsnano.2c01388] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The nature of the S-vacancy is central to controlling the electronic properties of monolayer MoS2. Understanding the geometric and electronic structures of the S-vacancy on the basal plane of monolayer MoS2 remains elusive. Here, operando S K-edge X-ray absorption spectroscopy shows the formation of clustered S-vacancies on the basal plane of monolayer MoS2 under reaction conditions (H2 atmosphere, 100-600 °C). First-principles calculations predict spectral fingerprints consistent with the experimental results. The Mo K-edge extended X-ray absorption fine structure shows the local structure as coordinatively unsaturated Mo with 4.1 ± 0.4 S atoms as nearest neighbors (above 400 °C in an H2 atmosphere). Conversely, the 6-fold Mo-Mo coordination in the crystal remains unchanged. Electrochemistry confirms similar active sites for hydrogen evolution. The identity of the S-vacancy defect on the basal plane of monolayer MoS2 is herein elucidated for applications in optoelectronics and catalysis.
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Affiliation(s)
- Angel T Garcia-Esparza
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
- Department of Mechanical Engineering, Stanford University, Stanford, California 94305, United States
| | - Sangwook Park
- Department of Mechanical Engineering, Stanford University, Stanford, California 94305, United States
| | - Hadi Abroshan
- SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States
| | - Oscar A Paredes Mellone
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - John Vinson
- National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, United States
| | - Baxter Abraham
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
- Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - Taeho R Kim
- Stanford Nano Shared Facilities, Stanford University, Stanford, California 94305, United States
| | - Dennis Nordlund
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - Alessandro Gallo
- SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - Roberto Alonso-Mori
- Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - Xiaolin Zheng
- Department of Mechanical Engineering, Stanford University, Stanford, California 94305, United States
| | - Dimosthenis Sokaras
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
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30
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Lin K, Chen C, Wang C, Lian P, Wang Y, Xue S, Sha J, Chen Y. Fabrication of solid-state nanopores. NANOTECHNOLOGY 2022; 33:272003. [PMID: 35349996 DOI: 10.1088/1361-6528/ac622b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/28/2022] [Indexed: 06/14/2023]
Abstract
Nanopores are valuable single-molecule sensing tools that have been widely applied to the detection of DNA, RNA, proteins, viruses, glycans, etc. The prominent sensing platform is helping to improve our health-related quality of life and accelerate the rapid realization of precision medicine. Solid-state nanopores have made rapid progress in the past decades due to their flexible size, structure and compatibility with semiconductor fabrication processes. With the development of semiconductor fabrication techniques, materials science and surface chemistry, nanopore preparation and modification technologies have made great breakthroughs. To date, various solid-state nanopore materials, processing technologies, and modification methods are available to us. In the review, we outline the recent advances in nanopores fabrication and analyze the virtues and limitations of various membrane materials and nanopores drilling techniques.
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Affiliation(s)
- Kabin Lin
- Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, School of Mechano-Electronic Engineering, Xidian University, Xi'an 710071, People's Republic of China
| | - Chen Chen
- Earth-Life Science Institute, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
| | - Congsi Wang
- Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, School of Mechano-Electronic Engineering, Xidian University, Xi'an 710071, People's Republic of China
| | - Peiyuan Lian
- Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, School of Mechano-Electronic Engineering, Xidian University, Xi'an 710071, People's Republic of China
| | - Yan Wang
- School of Information and Control Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, People's Republic of China
| | - Song Xue
- Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, School of Mechano-Electronic Engineering, Xidian University, Xi'an 710071, People's Republic of China
| | - Jingjie Sha
- Jiangsu Key Laboratory for Design and Manufacture of Micro-nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, People's Republic of China
| | - Yunfei Chen
- Jiangsu Key Laboratory for Design and Manufacture of Micro-nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, People's Republic of China
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31
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Kuś W, Akhter MJ, Burczyński T. Optimization of Monolayer MoS 2 with Prescribed Mechanical Properties. MATERIALS 2022; 15:ma15082812. [PMID: 35454507 PMCID: PMC9032249 DOI: 10.3390/ma15082812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/06/2022] [Accepted: 04/08/2022] [Indexed: 11/16/2022]
Abstract
Various technological challenges are essentially material problems in our times. New functional and functional graded nanomaterials are constructed of components with predefined properties. The design of nanostructures with predefined mechanical properties was considered in this paper. This study applies the evolutionary algorithm (EA) to the optimization problem in the design of nanomaterials. The optimal design combined EA with molecular dynamics to identify the size of the void for the prescribed elastic properties in monolayer 2D MoS2 nanostructures. The numerical results show that the proposed EA and the use of optimization method allowed accurately obtaining nanostructures with predefined mechanical material properties by introducing elliptical voids in the 2D MoS2 nanosheets.
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Affiliation(s)
- Wacław Kuś
- Department of Computational Mechanics and Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
- Correspondence:
| | - Mohammed Javeed Akhter
- Institute of Fundamental Technological Research, Polish Academy of Sciences, 02-106 Warsaw, Poland; (M.J.A.); (T.B.)
| | - Tadeusz Burczyński
- Institute of Fundamental Technological Research, Polish Academy of Sciences, 02-106 Warsaw, Poland; (M.J.A.); (T.B.)
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32
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Sharma V, Farajpour N, Lastra LS, Freedman KJ. DNA Coil Dynamics and Hydrodynamic Gating of Pressure-Biased Nanopores. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106803. [PMID: 35266283 DOI: 10.1002/smll.202106803] [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: 11/05/2021] [Revised: 01/26/2022] [Indexed: 06/14/2023]
Abstract
Nanopores are ideally suited for the analysis of long DNA fragments including chromosomal DNA and synthetic DNA with applications in genome sequencing and DNA data storage, respectively. Hydrodynamic fluid flow has been shown to slow down DNA transit time within the pore, however other influences of hydrodynamic forces have yet to be explored. In this report, a broad analysis of pressure-biased nanopores and the impact of hydrodynamics on DNA transit time, capture rate, current blockade depth, and DNA folding are conducted. Using a 10 nm pore, it is shown that hydrodynamic flow inhibits the early stages of linearization of DNA and produces predominately folded events which are initiated by folded DNA (2-strands) entering the pore. Furthermore, utilizing larger pores (30 nm) leads to unique DNA gating behavior in which DNA events can be switched on and off with the application of pressure. A computational model, based on combining electrophoretic drift velocities with fluid velocities, accurately predicts the pore size required to observe DNA gating. Hydrodynamic fluid flow generated by a pressure bias, or potentially more generally by other mechanisms like electroosmotic flow, is shown to have significant effects on DNA sensing and can be useful for DNA sensing technologies.
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Affiliation(s)
- Vinay Sharma
- University of California Riverside, Department of Bioengineering, 900 University Ave, Riverside, CA, 92521, USA
- Department of Biosciences and Bioengineering, Indian Institute of Technology Jammu, NH-44, Jagti, Jammu, J & K, 181221, India
| | - Nasim Farajpour
- University of California Riverside, Department of Bioengineering, 900 University Ave, Riverside, CA, 92521, USA
| | - Lauren S Lastra
- University of California Riverside, Department of Bioengineering, 900 University Ave, Riverside, CA, 92521, USA
| | - Kevin J Freedman
- University of California Riverside, Department of Bioengineering, 900 University Ave, Riverside, CA, 92521, USA
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33
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Jiang X, Zhao C, Noh Y, Xu Y, Chen Y, Chen F, Ma L, Ren W, Aluru NR, Feng J. Nonlinear electrohydrodynamic ion transport in graphene nanopores. SCIENCE ADVANCES 2022; 8:eabj2510. [PMID: 35030026 PMCID: PMC8759738 DOI: 10.1126/sciadv.abj2510] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 11/22/2021] [Indexed: 05/25/2023]
Abstract
Mechanosensitivity is one of the essential functionalities of biological ion channels. Synthesizing an artificial nanofluidic system to mimic such sensations will not only improve our understanding of these fluidic systems but also inspire applications. In contrast to the electrohydrodynamic ion transport in long nanoslits and nanotubes, coupling hydrodynamical and ion transport at the single-atom thickness remains challenging. Here, we report the pressure-modulated ion conduction in graphene nanopores featuring nonlinear electrohydrodynamic coupling. Increase of ionic conductance, ranging from a few percent to 204.5% induced by the pressure—an effect that was not predicted by the classical linear coupling of molecular streaming to voltage-driven ion transport—was observed experimentally. Computational and theoretical studies reveal that the pressure sensitivity of graphene nanopores arises from the transport of capacitively accumulated ions near the graphene surface. Our findings may help understand the electrohydrodynamic ion transport in nanopores and offer a new ion transport controlling methodology.
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Affiliation(s)
- Xiaowei Jiang
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Chunxiao Zhao
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yechan Noh
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Yang Xu
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yuang Chen
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Fanfan Chen
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Laipeng Ma
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Wencai Ren
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Narayana R. Aluru
- Walker Department of Mechanical Engineering, Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, Texas, TX 78712, USA
| | - Jiandong Feng
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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34
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Macha M, Thakur M, Radenovic A, Marion S. Stress induced delamination of suspended MoS2 in aqueous environments. Phys Chem Chem Phys 2022; 24:19948-19955. [PMID: 35968925 PMCID: PMC9500489 DOI: 10.1039/d2cp02094g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Applying hydrostatic pressure with suspended 2D material thin membranes allows probing the effects of lateral strain on the ion and fluid transport through nanopores. We demonstrate how both permanent and temporary delamination of 2D materials can be induced by pressure and potential differences between the membrane, causing a strong mechanosensitive modulation of ion transport. Our methodology is based on in situ measurements of ionic current and streaming modulation as the supporting membrane is indented or bulged with pressure. We demonstrate how indirect measurements of fluid transport through delaminated MoS2 membranes is achieved through monitoring streaming current and potential. This is combined with TEM images of 2D material membranes before and after aqueous measurements, showing temporary delamination during mechanical or electrical stress. The obtained results allow a better understanding of measurements with supported 2D materials, i.e. avoiding misinterpreting measured data, and could be used to probe how the electrical field and fluid flow at the nanoscale influence the adhesion of supported 2D materials. Mechanical and electrical stress can lead to the temporary and permanent 2D membrane delamination and consequent strong mechanosensitive modulation of ion transport measured in situ.![]()
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Affiliation(s)
- Michal Macha
- Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, Switzerland.
| | | | | | - Sanjin Marion
- Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, Switzerland.
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35
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Mohammadi MM, Bavi O. DNA sequencing: an overview of solid-state and biological nanopore-based methods. Biophys Rev 2021; 14:99-110. [PMID: 34840616 PMCID: PMC8609259 DOI: 10.1007/s12551-021-00857-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/14/2021] [Indexed: 12/23/2022] Open
Abstract
The field of sequencing is a topic of significant interest since its emergence and has become increasingly important over time. Impressive achievements have been obtained in this field, especially in relations to DNA and RNA sequencing. Since the first achievements by Sanger and colleagues in the 1950s, many sequencing techniques have been developed, while others have disappeared. DNA sequencing has undergone three generations of major evolution. Each generation has its own specifications that are mentioned briefly. Among these generations, nanopore sequencing has its own exciting characteristics that have been given more attention here. Among pioneer technologies being used by the third-generation techniques, nanopores, either biological or solid-state, have been experimentally or theoretically extensively studied. All sequencing technologies have their own advantages and disadvantages, so nanopores are not free from this general rule. It is also generally pointed out what research has been done to overcome the obstacles. In this review, biological and solid-state nanopores are elaborated on, and applications of them are also discussed briefly.
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Affiliation(s)
- Mohammad M Mohammadi
- Department of Mechanical and Aerospace Engineering, Shiraz University of Technology, Shiraz, 71557-13876 Iran
| | - Omid Bavi
- Department of Mechanical and Aerospace Engineering, Shiraz University of Technology, Shiraz, 71557-13876 Iran
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36
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Wang Z, Lv TY, Shi ZB, Yang SS, Gu ZY. Two-dimensional materials as solid-state nanopores for chemical sensing. Dalton Trans 2021; 50:13608-13619. [PMID: 34518861 DOI: 10.1039/d1dt02206g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solid-state nanopores as a versatile alternative to biological nanopores have grown tremendously over the last two decades. They exhibit unique characteristics including mechanical robustness, thermal and chemical stability, easy modifications and so on. Moreover, the pore size of a solid-state nanopore could be accurately controlled from sub-nanometers to hundreds of nanometers based on the experimental requirements, presenting better adaptability than biological nanopores. Two-dimensional (2D) materials with single layer thicknesses and highly ordered structures have great potential as solid-state nanopores. In this perspective, we introduced three kinds of substrate-supported 2D material solid-state nanopores, including graphene, MoS2 and MOF nanosheets, which exhibited big advantages compared to traditional solid-state nanopores and other biological counterparts. Besides, we suggested the fabrication and modulation of 2D material solid-state nanopores. We also discussed the applications of 2D materials as solid-state nanopores for ion transportation, DNA sequencing and biomolecule detection.
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Affiliation(s)
- Zhan Wang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
| | - Tian-Yi Lv
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
| | - Zi-Bo Shi
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
| | - Shi-Shu Yang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
- Henan Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453007, P. R. China.
| | - Zhi-Yuan Gu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
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37
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Schranghamer TF, Sharma M, Singh R, Das S. Review and comparison of layer transfer methods for two-dimensional materials for emerging applications. Chem Soc Rev 2021; 50:11032-11054. [PMID: 34397050 DOI: 10.1039/d1cs00706h] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two-dimensional (2D) materials offer immense potential for scientific breakthroughs and technological innovations. While early demonstrations of 2D material-based electronics, optoelectronics, flextronics, straintronics, twistronics, and biomimetic devices exploited micromechanically-exfoliated single crystal flakes, recent years have witnessed steady progress in large-area growth techniques such as physical vapor deposition (PVD), chemical vapor deposition (CVD), and metal-organic CVD (MOCVD). However, use of high growth temperatures, chemically-active growth precursors and promoters, and the need for epitaxy often limit direct growth of 2D materials on the substrates of interest for commercial applications. This has led to the development of a large number of methods for the layer transfer of 2D materials from the growth substrate to the target application substrate with varying degrees of cleanliness, uniformity, and transfer-related damage. This review aims to catalog and discuss these layer transfer methods. In particular, the processes, advantages, and drawbacks of various transfer methods are discussed, as is their applicability to different technological platforms of interest for 2D material implementation.
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Affiliation(s)
- Thomas F Schranghamer
- Department of Engineering Science and Mechanics, Penn State University, University Park, PA 16802, USA.
| | - Madan Sharma
- Department of Physics, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Rajendra Singh
- Department of Physics, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Saptarshi Das
- Department of Engineering Science and Mechanics, Penn State University, University Park, PA 16802, USA. and Department of Materials Science and Engineering, Penn State University, University Park, PA 16802, USA and Materials Research Institute, Penn State University, University Park, PA 16802, USA
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38
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Niedzwiecki DJ, DiPaolo B, Lin CY, Castan A, Keneipp R, Drndić M. Devices for Nanoscale Guiding of DNA through a 2D Nanopore. ACS Sens 2021; 6:2534-2545. [PMID: 34228425 DOI: 10.1021/acssensors.1c00829] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We fabricate on-chip solid-state nanofluidic-2D nanopore systems that can limit the range of motion for DNA in the sensing region of a nanopore. We do so by creating devices containing one or more silicon nitride pores and silicon nitride pillars supporting a 2D pore that orient DNA within a nanopore device to a restricted geometry, yet allow the free motion of ions to maintain a high signal-to-noise ratio. We discuss two concepts with two and three independent electrical connections and corresponding nanopore chip device architectures to achieve this goal in practice. Here, we describe device fabrication and transmission electron microscope (TEM) images, and provide simulated translocations based on the finite element analysis in 3D to demonstrate its merit. In both methods, there is a main 2D nanopore which we refer to as a "sensing" nanopore (monolayer MoS2 in this paper). A secondary layer is either an array of guiding pores sharing the same electrode pair as the sensing pore (Method 1) or a single, independently contacted, guiding pore (Method 2). These pores are constructed parallel to the "sensing" pore and serve as "guiding" elements to stretch and feed DNA into the atomically thin sensing pore. We discuss the practical implementation of these concepts with nanofluidic and Si-based technology, including detailed fabrication steps and challenges involved for DNA applications in solution.
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Affiliation(s)
- David J. Niedzwiecki
- Goeppert LLC, Pennovation, 3401 Grays Ferry Avenue, Philadelphia, Pennsylvania 19146, United States
| | - Brian DiPaolo
- Goeppert LLC, Pennovation, 3401 Grays Ferry Avenue, Philadelphia, Pennsylvania 19146, United States
| | - Chih-Yuan Lin
- Department of Physics and Astronomy, David Rittenhouse Laboratory, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, United States
| | - Alice Castan
- Department of Physics and Astronomy, David Rittenhouse Laboratory, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, United States
| | - Rachael Keneipp
- Department of Physics and Astronomy, David Rittenhouse Laboratory, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, United States
| | - Marija Drndić
- Department of Physics and Astronomy, David Rittenhouse Laboratory, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, United States
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39
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Marion S, Vučemilović-Alagić N, Špadina M, Radenović A, Smith AS. From Water Solutions to Ionic Liquids with Solid State Nanopores as a Perspective to Study Transport and Translocation Phenomena. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100777. [PMID: 33955694 DOI: 10.1002/smll.202100777] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/01/2021] [Indexed: 06/12/2023]
Abstract
Solid state nanopores are single-molecular devices governed by nanoscale physics with a broad potential for technological applications. However, the control of translocation speed in these systems is still limited. Ionic liquids are molten salts which are commonly used as alternate solvents enabling the regulation of the chemical and physical interactions on solid-liquid interfaces. While their combination can be challenging to the understanding of nanoscopic processes, there has been limited attempts on bringing these two together. While summarizing the state of the art and open questions in these fields, several major advances are presented with a perspective on the next steps in the investigations of ionic-liquid filled nanopores, both from a theoretical and experimental standpoint. By analogy to aqueous solutions, it is argued that ionic liquids and nanopores can be combined to provide new nanofluidic functionalities, as well as to help resolve some of the pertinent problems in understanding transport phenomena in confined ionic liquids and providing better control of the speed of translocating analytes.
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Affiliation(s)
- Sanjin Marion
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015, Lausanne, Switzerland
| | - Nataša Vučemilović-Alagić
- Group for Computational Life Sciences, Ruđer Bošković Institute, Division of Physical Chemistry, 10000, Zagreb, Croatia
- PULS Group, Physics Department, Interdisciplinary Center for Nanostructured Films, FAU Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Mario Špadina
- Group for Computational Life Sciences, Ruđer Bošković Institute, Division of Physical Chemistry, 10000, Zagreb, Croatia
| | - Aleksandra Radenović
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015, Lausanne, Switzerland
| | - Ana-Sunčana Smith
- Group for Computational Life Sciences, Ruđer Bošković Institute, Division of Physical Chemistry, 10000, Zagreb, Croatia
- PULS Group, Physics Department, Interdisciplinary Center for Nanostructured Films, FAU Erlangen-Nürnberg, 91058, Erlangen, Germany
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40
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Su S, Wang X, Xue J. Nanopores in two-dimensional materials: accurate fabrication. MATERIALS HORIZONS 2021; 8:1390-1408. [PMID: 34846448 DOI: 10.1039/d0mh01412e] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Two-dimensional (2D) materials such as graphene and molybdenum disulfide have been demonstrated with a wide range of applications in electronic devices, chemical catalysis, single-molecule detection, and energy conversion. In the 2D materials, nanopores can be created, and the 2D nanoporous membranes possess many unique properties such as ultrathin thickness, high surface area, and excellent particle sieving capability, showing extraordinary promise in plenty of applications, such as sea water desalination, gas separation, and DNA sequencing. The performances of these membranes are mainly determined by the nanopore size, structure, and density, which, in turn, rely on the fabrication techniques of the nanopores. This review covers the important progress of nanopore fabrication in 2D materials and comprehensively compares these methods for the features of the introduced nanopores and their formation processes. Future perspectives are discussed on the opportunities and challenges in fabricating high-grade 2D nanopores.
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Affiliation(s)
- Shihao Su
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, P. R. China.
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41
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Zhang M, Lihter M, Chen TH, Macha M, Rayabharam A, Banjac K, Zhao Y, Wang Z, Zhang J, Comtet J, Aluru NR, Lingenfelder M, Kis A, Radenovic A. Super-resolved Optical Mapping of Reactive Sulfur-Vacancies in Two-Dimensional Transition Metal Dichalcogenides. ACS NANO 2021; 15:7168-7178. [PMID: 33829760 DOI: 10.1021/acsnano.1c00373] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Transition metal dichalcogenides (TMDs) represent a class of semiconducting two-dimensional (2D) materials with exciting properties. In particular, defects in 2D-TMDs and their molecular interactions with the environment can crucially affect their physical and chemical properties. However, mapping the spatial distribution and chemical reactivity of defects in liquid remains a challenge. Here, we demonstrate large area mapping of reactive sulfur-deficient defects in 2D-TMDs in aqueous solutions by coupling single-molecule localization microscopy with fluorescence labeling using thiol chemistry. Our method, reminiscent of PAINT strategies, relies on the specific binding of fluorescent probes hosting a thiol group to sulfur vacancies, allowing localization of the defects with an uncertainty down to 15 nm. Tuning the distance between the fluorophore and the docking thiol site allows us to control Föster resonance energy transfer (FRET) process and reveal grain boundaries and line defects due to the local irregular lattice structure. We further characterize the binding kinetics over a large range of pH conditions, evidencing the reversible adsorption of the thiol probes to the defects with a subsequent transitioning to irreversible binding in basic conditions. Our methodology provides a simple and fast alternative for large-scale mapping of nonradiative defects in 2D materials and can be used for in situ and spatially resolved monitoring of the interaction between chemical agents and defects in 2D materials that has general implications for defect engineering in aqueous condition.
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Affiliation(s)
- Miao Zhang
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- Department of Applied Physics, KTH Royal Institute of Technology, 106 91 Stockholm, Sweden
| | - Martina Lihter
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Tzu-Heng Chen
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Michal Macha
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Archith Rayabharam
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, 61801 Illinois United States
| | - Karla Banjac
- Max Planck-EPFL Laboratory for Molecular Nanoscience and Institut de Physique, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Yanfei Zhao
- Electrical Engineering Institute, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- Institute of Materials Science and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Zhenyu Wang
- Electrical Engineering Institute, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- Institute of Materials Science and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Jing Zhang
- Electrical Engineering Institute, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- Institute of Materials Science and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Jean Comtet
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Narayana R Aluru
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, 61801 Illinois United States
| | - Magalí Lingenfelder
- Max Planck-EPFL Laboratory for Molecular Nanoscience and Institut de Physique, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Andras Kis
- Electrical Engineering Institute, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- Institute of Materials Science and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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42
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Fried JP, Swett JL, Nadappuram BP, Mol JA, Edel JB, Ivanov AP, Yates JR. In situ solid-state nanopore fabrication. Chem Soc Rev 2021; 50:4974-4992. [PMID: 33623941 DOI: 10.1039/d0cs00924e] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nanopores in solid-state membranes are promising for a wide range of applications including DNA sequencing, ultra-dilute analyte detection, protein analysis, and polymer data storage. Techniques to fabricate solid-state nanopores have typically been time consuming or lacked the resolution to create pores with diameters down to a few nanometres, as required for the above applications. In recent years, several methods to fabricate nanopores in electrolyte environments have been demonstrated. These in situ methods include controlled breakdown (CBD), electrochemical reactions (ECR), laser etching and laser-assisted controlled breakdown (la-CBD). These techniques are democratising solid-state nanopores by providing the ability to fabricate pores with diameters down to a few nanometres (i.e. comparable to the size of many analytes) in a matter of minutes using relatively simple equipment. Here we review these in situ solid-state nanopore fabrication techniques and highlight the challenges and advantages of each method. Furthermore we compare these techniques by their desired application and provide insights into future research directions for in situ nanopore fabrication methods.
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Affiliation(s)
- Jasper P Fried
- Department of Materials, University of Oxford, Oxford, OX1 3PH, UK
| | - Jacob L Swett
- Department of Materials, University of Oxford, Oxford, OX1 3PH, UK
| | - Binoy Paulose Nadappuram
- Department of Chemistry, Imperial College London, Molecular Science Research Hub, White City Campus, 82 Wood Lane, W12 0BZ, UK
| | - Jan A Mol
- School of Physics and Astronomy, Queen Mary University of London, Mile End Road, E1 4NS, UK
| | - Joshua B Edel
- Department of Chemistry, Imperial College London, Molecular Science Research Hub, White City Campus, 82 Wood Lane, W12 0BZ, UK
| | - Aleksandar P Ivanov
- Department of Chemistry, Imperial College London, Molecular Science Research Hub, White City Campus, 82 Wood Lane, W12 0BZ, UK
| | - James R Yates
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal.
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Marion S, Macha M, Davis SJ, Chernev A, Radenovic A. Wetting of nanopores probed with pressure. Phys Chem Chem Phys 2021; 23:4975-4987. [PMID: 33621304 DOI: 10.1039/d1cp00253h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nanopores are both a tool to study single-molecule biophysics and nanoscale ion transport, but also a promising material for desalination or osmotic power generation. Understanding the physics underlying ion transport through nano-sized pores allows better design of porous membrane materials. Material surfaces can present hydrophobicity, a property which can make them prone to formation of surface nanobubbles. Nanobubbles can influence the electrical transport properties of such devices. We demonstrate an approach which uses hydraulic pressure to probe the electrical transport properties of solid state nanopores. We show how pressure can be used to wet pores, and how it allows control over bubbles or other contaminants in the nanometer scale range normally unachievable using only an electrical driving force. Molybdenum disulfide is then used as a typical example of a 2D material on which we demonstrate wetting and bubble induced nonlinear and linear conductance in the regimes typically used with these experiments. We show that by using pressure one can identify and evade wetting artifacts.
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Affiliation(s)
- Sanjin Marion
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland.
| | - Michal Macha
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland.
| | - Sebastian J Davis
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland.
| | - Andrey Chernev
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland.
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland.
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Xia P, Zuo J, Paudel P, Choi S, Chen X, Rahman Laskar MA, Bai J, Song W, Im J, Wang C. Sapphire-supported nanopores for low-noise DNA sensing. Biosens Bioelectron 2021; 174:112829. [PMID: 33308962 DOI: 10.1016/j.bios.2020.112829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/24/2020] [Accepted: 11/16/2020] [Indexed: 10/22/2022]
Abstract
Solid-state nanopores have broad applications from single-molecule biosensing to diagnostics and sequencing. The high capacitive noise from conventionally used conductive silicon substrates, however, has seriously limited both their sensing accuracy and recording speed. A new approach is proposed here for forming nanopore membranes on insulating sapphire wafers to promote low-noise nanopore sensing. Anisotropic wet etching of sapphire through micro-patterned triangular masks is used to demonstrate the feasibility of scalable formation of small (<25 μm) membranes with a size deviation of less than 7 μm over two 2-inch wafers. For validation, a sapphire-supported (SaS) nanopore chip with a 100 times larger membrane area than conventional nanopores was tested, which showed 130 times smaller capacitance (10 pF) and 2.6 times smaller root-mean-square (RMS) noise current (18-21 pA over 100 kHz bandwidth, with 50-150 mV bias) when compared to a silicon-supported (SiS) nanopore (~1.3 nF, and 46-51 pA RMS noise). Tested with 1k base-pair double-stranded DNA, the SaS nanopore enabled sensing at microsecond speed with a signal-to-noise ratio of 21, compared to 11 from a SiS nanopore. This SaS nanopore presents a manufacturable nanoelectronic platform feasible for high-speed and low-noise sensing of a variety of biomolecules.
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Affiliation(s)
- Pengkun Xia
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA; Biodesign Center for Molecular Design & Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Jiawei Zuo
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA; Biodesign Center for Molecular Design & Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Pravin Paudel
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA
| | - Shinhyuk Choi
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA; Biodesign Center for Molecular Design & Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Xiahui Chen
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA; Biodesign Center for Molecular Design & Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Md Ashiqur Rahman Laskar
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA; Biodesign Center for Molecular Design & Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Jing Bai
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA
| | - Weisi Song
- Biodesign Center for Single Molecule Biophysics, Arizona State University, Tempe, AZ, USA
| | - JongOne Im
- Biodesign Center for Single Molecule Biophysics, Arizona State University, Tempe, AZ, USA; Curent Address: INanoBio Inc, Scottsdale, AZ, USA
| | - Chao Wang
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA; Center for Photonics Innovation, Arizona State University, Tempe, AZ, USA; Biodesign Center for Molecular Design & Biomimetics, Arizona State University, Tempe, AZ, USA.
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Guo RF, Zhao X, Li XY, Liu ZH. Preparation and formation mechanism of graphene oxide supported hollow mesoporous Mg2Si3O6(OH)4 micro-nanospheres with highly efficient methylene blue dye removal from wastewater. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125936] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Chernev A, Marion S, Radenovic A. Prospects of Observing Ionic Coulomb Blockade in Artificial Ion Confinements. ENTROPY (BASEL, SWITZERLAND) 2020; 22:E1430. [PMID: 33353100 PMCID: PMC7766073 DOI: 10.3390/e22121430] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/11/2020] [Accepted: 12/11/2020] [Indexed: 12/18/2022]
Abstract
Nanofluidics encompasses a wide range of advanced approaches to study charge and mass transport at the nanoscale. Modern technologies allow us to develop and improve artificial nanofluidic platforms that confine ions in a way similar to single-ion channels in living cells. Therefore, nanofluidic platforms show great potential to act as a test field for theoretical models. This review aims to highlight ionic Coulomb blockade (ICB)-an effect that is proposed to be the key player of ion channel selectivity, which is based upon electrostatic exclusion limiting ion transport. Thus, in this perspective, we focus on the most promising approaches that have been reported on the subject. We consider ion confinements of various dimensionalities and highlight the most recent advancements in the field. Furthermore, we concentrate on the most critical obstacles associated with these studies and suggest possible solutions to advance the field further.
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Affiliation(s)
| | | | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland; (A.C.); (S.M.)
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Xiong M, Graf M, Athreya N, Radenovic A, Leburton JP. Microscopic Detection Analysis of Single Molecules in MoS 2 Membrane Nanopores. ACS NANO 2020; 14:16131-16139. [PMID: 33155815 DOI: 10.1021/acsnano.0c08382] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A systematic microscopic analysis of the various resistive effects involved in the electronic detection of single biomolecules in a nanopore of a MoS2 nanoribbon is presented. The variations of the transverse electronic current along the two-dimensional (2D) membrane due to the translocation of DNA and protein molecules through the pore are obtained by model calculations based on molecular dynamics (MD) and Boltzmann transport formalism, which achieved good agreement with the experimental data. Our analysis points to a self-consistent interaction among ions, charge carriers around the pore rim, and biomolecules. It provides a comprehensive understanding of the effects of the electrolyte concentration, pore size, nanoribbon geometry, and also the doping polarity of the nanoribbon on the electrical sensitivity of the nanopore in detecting biomolecules. These results can be utilized for fine-tuning the design parameters in the fabrication of highly sensitive 2D nanopore biosensors.
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Affiliation(s)
- Mingye Xiong
- Department of Electrical and Computer Engineering, and N. Holonyak Jr. Micro & Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Michael Graf
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne CH 1015, Switzerland
| | - Nagendra Athreya
- Department of Electrical and Computer Engineering, and N. Holonyak Jr. Micro & Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne CH 1015, Switzerland
| | - Jean-Pierre Leburton
- Department of Electrical and Computer Engineering, and N. Holonyak Jr. Micro & Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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48
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Nicolaï A, Rath A, Delarue P, Senet P. Nanopore sensing of single-biomolecules: a new procedure to identify protein sequence motifs from molecular dynamics. NANOSCALE 2020; 12:22743-22753. [PMID: 33174564 DOI: 10.1039/d0nr05185c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Solid-state nanopores have emerged as one of the most versatile tools for single-biomolecule detection and characterization. Nanopore sensing is based on the measurement of variations in ionic current as charged biomolecules immersed in an electrolyte translocate through nanometer-sized channels, in response to an external voltage applied across the membrane. The passage of a biomolecule through a pore yields information about its structure and chemical properties, as demonstrated experimentally with sub-microsecond temporal resolution. However, extracting the sequence of a biomolecule without the information about its position remains challenging due to the fact there is a large variability of sensing events recorded. In this paper, we performed microsecond time scale all-atom non-equilibrium Molecular Dynamics (MD) simulations of peptide translocation (motifs of alpha-synuclein, associated with Parkinson's disease) through single-layer MoS2 nanopores. First, we present an analysis based on the current threshold to extract and characterize meaningful sensing events from ionic current time series computed from MD. Second, a mechanism of translocation is established, for which side chains of each amino acid are oriented parallel to the electric field when they are translocating through the pore and perpendicular otherwise. Third, a new procedure based on the permutation entropy (PE) algorithm is detailed to identify protein sequence motifs related to ionic current drop speed. PE is a technique used to quantify the complexity of a given time series and it allows the detection of regular patterns. Here, PE patterns were associated with protein sequence motifs composed of 1, 2 or 3 amino acids. Finally, we demonstrate that this very promising procedure allows the detection of biological mutations and could be tested experimentally, despite the fact that reconstructing the sequence information remains unachievable at this time.
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Affiliation(s)
- Adrien Nicolaï
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS-Université Bourgogne Franche-Comté, 9 Av. A. Savary, BP 47 870, F-21078 Dijon Cedex, France.
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Davis SJ, Macha M, Chernev A, Huang DM, Radenovic A, Marion S. Pressure-Induced Enlargement and Ionic Current Rectification in Symmetric Nanopores. NANO LETTERS 2020; 20:8089-8095. [PMID: 33048551 DOI: 10.1021/acs.nanolett.0c03083] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nanopores in solid state membranes are a tool able to probe nanofluidic phenomena or can act as a single molecular sensor. They also have diverse applications in filtration, desalination, or osmotic power generation. Many of these applications involve chemical, or hydrostatic pressure differences which act on both the supporting membrane, and the ion transport through the pore. By using pressure differences between the sides of the membrane and an alternating current approach to probe ion transport, we investigate two distinct physical phenomena: the elastic deformation of the membrane through the measurement of strain at the nanopore, and the growth of ionic current rectification with pressure due to pore entrance effects. These measurements are a significant step toward the understanding of the role of elastic membrane deformation or fluid flow on linear and nonlinear transport properties of nanopores.
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Affiliation(s)
- Sebastian J Davis
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Michal Macha
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Andrey Chernev
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - David M Huang
- Department of Chemistry, School of Physical Sciences, The University of Adelaide, Adelaide 5005, Australia
| | - Aleksandra Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
| | - Sanjin Marion
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
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50
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Thiruraman JP, Masih Das P, Drndić M. Stochastic Ionic Transport in Single Atomic Zero-Dimensional Pores. ACS NANO 2020; 14:11831-11845. [PMID: 32790336 PMCID: PMC9615559 DOI: 10.1021/acsnano.0c04716] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
We report on single atomic zero-dimensional (0D) pores fabricated using aberration-corrected scanning transmission electron microscopy (AC-STEM) in monolayer MoS2. Pores are comprised of a few atoms missing in the two-dimensional (2D) lattice (1-5 Mo atoms) of characteristic sizes from ∼0.5 to 1.2 nm, and pore edges directly probed by AC-STEM to map the atomic structure. We categorize them into ∼30 geometrically possible zigzag, armchair, and mixed configurations. While theoretical studies predict that transport properties of 2D pores in this size range depend strongly on pore size and their atomic configuration, 0D pores show an average conductance in the range from ∼0.6-1 nS (bias up to 0.1 V), similar to biological pores. In some devices, the current was immeasurably small and/or pores could not be wet. Furthermore, current-voltage (I-V) characteristics are largely independent of bulk molarity (10 mM to 3 M KCl) and the type of cation (K+, Li+, Mg2+). This work lays the experimental foundation for understanding of the confinement effects possible in atomic-scale 2D material pores and the realization of solid-state analogues of ion channels in biology.
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