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Li D, Liu J, Liu Q, Yu J, Zhu J, Chen R, Lin Z, Wang J. Comparison of Anti-Icing, Antifouling, and Anticorrosion Performances of the Superhydrophobic and Lubricant-Infused Coatings Based on a Hollow-Structured Kapok Fiber. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:5420-5432. [PMID: 38423092 DOI: 10.1021/acs.langmuir.3c03942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The superhydrophobic surface and slippery liquid-infused porous surface (SLIPS)/lubricant-infused surface (LIS) have attracted increasing attention owing to their multifunctionality. However, their practical applications face several problems such as complex and inefficient preparation technology, loss of lubricant, and fragile microstructures. Therefore, new strategies for preparing microstructures must be developed for constructing superhydrophobic and lubricant-infused coatings. Herein, a low-cost and high-efficiency method for developing superhydrophobic and lubricant-infused coatings based on in situ grown TiO2 on the surface of a hollow kapok fiber (KF) is reported. The anti-icing, antifouling, and anticorrosion performance of the superhydrophobic and lubricant-infused coatings are compared. The superhydrophobic coating reduces the formation and accumulation of ice. The lubricant-infused coating exhibits an extremely low ice adhesion strength and durable anti-icing properties. The superhydrophobic and lubricant-infused coatings show the outstanding antifouling property of diatom; the superhydrophobic surface exhibits superior stability over LIS without an external force field. The lubricant-infused coating shows excellent corrosion resistance and durability when immersed in a 3.5% NaCl solution. The superhydrophobic coating loses its protection as a result of the corrosion media permeating the metal substrate via the electrolytic cell and coating interface, and the lubricant-infused coating provides lasting corrosion resistance because of the lubricant filling into the interface. Although the superhydrophobic coating is fragile and the lubricant-infused coating will lose lubricant, this simple and convenient approach can be repeated to keep the coatings active. This study provides new inspiration for the fabrication of superhydrophobic surfaces and LIS based on natural products.
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Affiliation(s)
- Dandan Li
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Jingyuan Liu
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Qi Liu
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Jing Yu
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Jiahui Zhu
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Rongrong Chen
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Zaiwen Lin
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Jun Wang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
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Chang Y, Bao M, Waitkus J, Cai H, Du K. On-Demand Fully Enclosed Superhydrophobic-Optofluidic Devices Enabled by Microstereolithography. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:10672-10678. [PMID: 35984448 PMCID: PMC9897971 DOI: 10.1021/acs.langmuir.2c01658] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Superhydrophobic surface-based optofluidics have been introduced to biosensors and unconventional optics with unique advantages, such as low light loss and power consumption. However, most of these platforms were made with planar-like microstructures and nanostructures, which may cause bonding issues and result in significant waveguide loss. Here, we introduce a fully enclosed superhydrophobic-based optofluidics system, enabled by a one-step microstereolithography procedure. Various microstructured cladding designs with a feature size down to 100 μm were studied and a "T-type" overhang design exhibits the lowest optical loss, regardless of the excitation wavelength. Surprisingly, the optical loss of superhydrophobic-based optofluidics is not solely decided by the solid area fraction at the solid/water/air interface, but also the cross-section shape and the effective cladding layer composition. We show that this fully enclosed optofluidic system can be used for CRISPR-labeled quantum dot quantification, intended for in vitro and in vivo CRISPR therapeutics.
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Affiliation(s)
- Yu Chang
- Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Mengdi Bao
- Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Jacob Waitkus
- Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Haogang Cai
- Tech4Health Institute and Department of Radiology, NYU Langone Health, New York, New York 10016, United States
| | - Ke Du
- Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, New York 14623, United States
- Department of Microsystems Engineering, Rochester Institute of Technology, Rochester, New York 14623, United States
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, New York 14623, United States
- College of Health Science and Technology, Rochester Institute of Technology, Rochester, New York 14623, United States
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Mérai L, Deák Á, Dékány I, Janovák L. Fundamentals and utilization of solid/ liquid phase boundary interactions on functional surfaces. Adv Colloid Interface Sci 2022; 303:102657. [PMID: 35364433 DOI: 10.1016/j.cis.2022.102657] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 12/16/2022]
Abstract
The affinity of macroscopic solid surfaces or dispersed nano- and bioparticles towards liquids plays a key role in many areas from fluid transport to interactions of the cells with phase boundaries. Forces between solid interfaces in water become especially important when the surface texture or particles are in the colloidal size range. Although, solid-liquid interactions are still prioritized subjects of materials science and therefore are extensively studied, the related literature still lacks in conclusive approaches, which involve as much information on fundamental aspects as on recent experimental findings related to influencing the wetting and other wetting-related properties and applications of different surfaces. The aim of this review is to fill this gap by shedding light on the mechanism-of-action and design principles of different, state-of-the-art functional macroscopic surfaces, ranging from self-cleaning, photoreactive or antimicrobial coatings to emulsion separation membranes, as these surfaces are gaining distinguished attention during the ongoing global environmental and epidemic crises. As there are increasing numbers of examples for stimulus-responsive surfaces and their interactions with liquids in the literature, as well, this overview also covers different external stimulus-responsive systems, regarding their mechanistic principles and application possibilities.
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Lee SH, Kim S, Yang JY, Mun C, Lee S, Kim SH, Park SG. Hydrogel-Assisted 3D Volumetric Hotspot for Sensitive Detection by Surface-Enhanced Raman Spectroscopy. Int J Mol Sci 2022; 23:ijms23021004. [PMID: 35055189 PMCID: PMC8779965 DOI: 10.3390/ijms23021004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 01/27/2023] Open
Abstract
Effective hotspot engineering with facile and cost-effective fabrication procedures is critical for the practical application of surface-enhanced Raman spectroscopy (SERS). We propose a SERS substrate composed of a metal film over polyimide nanopillars (MFPNs) with three-dimensional (3D) volumetric hotspots for this purpose. The 3D MFPNs were fabricated through a two-step process of maskless plasma etching and hydrogel encapsulation. The probe molecules dispersed in solution were highly concentrated in the 3D hydrogel networks, which provided a further enhancement of the SERS signals. SERS performance parameters such as the SERS enhancement factor, limit-of-detection, and signal reproducibility were investigated with Cyanine5 (Cy5) acid Raman dye solutions and were compared with those of hydrogel-free MFPNs with two-dimensional hotspots. The hydrogel-coated MFPNs enabled the reliable detection of Cy5 acid, even when the Cy5 concentration was as low as 100 pM. We believe that the 3D volumetric hotspots created by introducing a hydrogel layer onto plasmonic nanostructures demonstrate excellent potential for the sensitive and reproducible detection of toxic and hazardous molecules.
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Affiliation(s)
- Soo Hyun Lee
- Department of Nano-Bio Convergence, Korea Institute of Materials Science, 797 Changwondae-ro, Changwon 51508, Korea; (S.H.L.); (J.-Y.Y.); (C.M.); (S.L.)
| | - Sunho Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea;
| | - Jun-Yeong Yang
- Department of Nano-Bio Convergence, Korea Institute of Materials Science, 797 Changwondae-ro, Changwon 51508, Korea; (S.H.L.); (J.-Y.Y.); (C.M.); (S.L.)
| | - ChaeWon Mun
- Department of Nano-Bio Convergence, Korea Institute of Materials Science, 797 Changwondae-ro, Changwon 51508, Korea; (S.H.L.); (J.-Y.Y.); (C.M.); (S.L.)
| | - Seunghun Lee
- Department of Nano-Bio Convergence, Korea Institute of Materials Science, 797 Changwondae-ro, Changwon 51508, Korea; (S.H.L.); (J.-Y.Y.); (C.M.); (S.L.)
| | - Shin-Hyun Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea;
- Correspondence: (S.-H.K.); (S.-G.P.)
| | - Sung-Gyu Park
- Department of Nano-Bio Convergence, Korea Institute of Materials Science, 797 Changwondae-ro, Changwon 51508, Korea; (S.H.L.); (J.-Y.Y.); (C.M.); (S.L.)
- Correspondence: (S.-H.K.); (S.-G.P.)
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Zeniou A, Smyrnakis A, Constantoudis V, Awsiuk K, Gogolides E. One-step control of hierarchy and functionality of polymeric surfaces in a new plasma nanotechnology reactor. NANOTECHNOLOGY 2021; 32:235305. [PMID: 33592600 DOI: 10.1088/1361-6528/abe6ca] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 02/16/2021] [Indexed: 06/12/2023]
Abstract
Hierarchical micro-nanostructured surfaces are key components of 'smart' multifunctional materials, used to control wetting, adhesion, tactile, friction, optical, antifogging, antibacterial, and many more surface properties. Hierarchical surfaces comprise random or ordered structures ranked by their length scale spanning the range from a few nanometers to a few micrometers, with the larger microstructures typically embedding smaller nanostructures. Despite the importance of hierarchical surfaces, there have been few studies on their precise and controlled fabrication or their quantitative characterization, and they usually involve multiple and complex fabrication steps. Here, we present a new plasma nanotechnology, which we term 'nanoinhibit', and a new plasma reactor for producing in one facile process-step-controlled hierarchy at will on polymeric surfaces. We couple the new plasma nanotechnology with detailed computational nanometrology based on the analysis of scanning electron microscopy images and targeted to specific functionality. We showcase the potential of 'nanoinhibit' for functional surface fabrication by controlling the wetting and optical functionality of the fabricated hierarchical surfaces and showing its dependence on surface morphology metrics. Finally, we observe that 'nanoinhibit' produces a new class of 'strong hierarchical' surfaces exhibiting spatially separated periodic and fractal-like components.
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Affiliation(s)
- A Zeniou
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Aghia Paraskevi, Attiki, 15310, Greece
- Department of Physics, University of Patras, PO Box 140, Patras, 26504, Greece
| | - A Smyrnakis
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Aghia Paraskevi, Attiki, 15310, Greece
| | - V Constantoudis
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Aghia Paraskevi, Attiki, 15310, Greece
| | - K Awsiuk
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland
| | - E Gogolides
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Aghia Paraskevi, Attiki, 15310, Greece
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Cho YS, Nam S, Jeong S, Kim YS. Low-cost fabrication of flexible water-repellent film by spray coating of a hydrophobic nanoparticle dispersion. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2019.1627883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Young-Sang Cho
- Department of Chemical Engineering and Biotechnology, Korea Polytechnic University , Siheung-si, Gyeonggi-do , Republic of Korea
| | - Soyoung Nam
- Department of Chemical Engineering and Biotechnology, Korea Polytechnic University , Siheung-si, Gyeonggi-do , Republic of Korea
| | - Sol Jeong
- Department of Chemical Engineering and Biotechnology, Korea Polytechnic University , Siheung-si, Gyeonggi-do , Republic of Korea
| | - Young-Seok Kim
- Display Components & Materials Research Center, Korea Electronics Technology Institute , Seongnam-si , Gyeonggi-do , Korea
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7
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Tian N, Wei J, Li Y, Li B, Zhang J. Efficient scald-preventing enabled by robust polyester fabrics with hot water repellency and water impalement resistance. J Colloid Interface Sci 2020; 566:69-78. [DOI: 10.1016/j.jcis.2020.01.067] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/17/2020] [Accepted: 01/18/2020] [Indexed: 10/25/2022]
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Abstract
Superhydrophobic surfaces have drawn attention from scientists and engineers because of their extreme water repellency. More interestingly, these surfaces have also demonstrated an infinite influence on civil engineering materials. In this feature article, the history of wettability theory is described firstly. The approaches to construct hierarchical micro/nanostructures such as chemical vapor deposition (CVD), electrochemical, etching, and flame synthesis methods are introduced. Then, the advantages and limitations of each method are discussed. Furthermore, the recent progress of superhydrophobicity applied on civil engineering materials and its applications are summarized. Finally, the obstacles and prospects of superhydrophobic civil engineering materials are stated and expected. This review should be of interest to scientists and civil engineers who are interested in superhydrophobic surfaces and novel civil engineering materials.
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Wang F, Pi J, Li JY, Song F, Feng R, Wang XL, Wang YZ. Highly-efficient separation of oil and water enabled by a silica nanoparticle coating with pH-triggered tunable surface wettability. J Colloid Interface Sci 2019; 557:65-75. [PMID: 31514094 DOI: 10.1016/j.jcis.2019.08.114] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 08/30/2019] [Accepted: 08/31/2019] [Indexed: 11/29/2022]
Abstract
Environmentally switched superwetting surfaces that can be used for separating various oil/water mixtures are of particular interest due to the increasing difficulty and complexity in oily wastewater treatment. Here, a novel fluorine-free pH-responsive coating is prepared by surface modification of SiO2 nanoparticles with dimethyloctadecyl [3-(trimethoxysilyl) propyl] ammonium chloride and (N, N-dimethyl-3-aminopropyl) trimethoxysilane. With the assistance of polyethylene imine as a binder, such coating can be used for different porous substrates, e. g. cotton fabric and filter paper, to develop separation materials having tunable superhydrophilicity/superhydrophobicity and high antibacterial property. Due to the well-controlled surface wettability upon the pH variation, the as-prepared materials can effectively separate various types of oil/water mixtures with efficiency higher than 99.9%, including the layered oil/water mixture, water-in-oil emulsions and oil-in-water emulsions stabilized by different types of surfactants. Additionally, the materials can resist strong acid/base solutions and various organic solvents as well as 50-cycle mechanical abrasion and 120-cycle tape-peeling without losing anti-wetting performance. Featuring the tunable surface wettability, chemical/mechanical robustness, and antibacterial activity, such coating holds promising applications for treating various oil/water mixtures in harsh and biological-contamination conditions.
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Affiliation(s)
- Fang Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Jing Pi
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Jing-Yu Li
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Fei Song
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Rui Feng
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiu-Li Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yu-Zhong Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China.
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Fabrication of Hydrophilic Surface on Rigid Gas Permeable Contact Lenses to Enhance the Wettability Using Ultraviolet Laser System. MICROMACHINES 2019; 10:mi10060394. [PMID: 31200486 PMCID: PMC6630549 DOI: 10.3390/mi10060394] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/10/2019] [Accepted: 06/11/2019] [Indexed: 11/29/2022]
Abstract
The widely used rigid gas permeable (RGP) contact lenses provide higher oxygen permeability and tear exchange rate than do soft contact lenses. However, their wettability warrants improvement to enhance the wearing comfort. This study used UV laser (wavelength = 355 nm) to modify the surface properties of RGP contact lenses with materials of Boston XO® (Bausch & Lomb Incorporated). Briefly, the mesh pattern was fabricated on the RGP contact lens surface by using the laser and smoothed by using oxygen plasma; the enhanced hydrophilic efficiency was analyzed using contact angle measurement. The experiment results indicated that the contact angle of the lens material decreased by approximately 10°–20° when the pitch of mesh pattern was <50 μm under a 500-mm/s scanning speed. The oxygen plasma enhanced surface wettability with a decreased contact angle (40°). The hydrophilic characteristic of the UV laser and oxygen plasma–treated surface was twice that of oxygen plasma–treated and untreated surfaces. In the future, RGP contact lens edges could be treated with UV laser and oxygen plasma to enhance the tear wettability and wearing comfort.
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Nitta K, Tsukahara T. Numerical Demonstration of In-Tube Liquid-Column Migration Driven by Photoisomerization. MICROMACHINES 2018; 9:E533. [PMID: 30424466 PMCID: PMC6215142 DOI: 10.3390/mi9100533] [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: 09/30/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 11/17/2022]
Abstract
Droplet manipulation by light-induced isomerization was numerically demonstrated and investigated regarding the driving mechanism. Such a non-invasive manipulation of a droplet in a microchannel can be realized, for example, by the use of watery solution of photoresponsive surfactant that exhibits the isomerization. Due to variable fluid properties between the cis and trans isomers, one-side light irradiation on a liquid column in a tube would lead to some kind of imbalance between the two ends of the liquid column and then drive droplet migration. The present numerical simulations of air⁻liquid two-phase flow and its scalar transport of the isomer, considering the variable static contact angle, agreed quantitatively with the experimental results in terms of the migration speed. This fact supports the contention that the droplet migration is more likely to be driven by an imbalance in the wettability, or the contact angle. The migration speed was found to be less dependent on the liquid-column length, but proportional to the tube diameter.
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Affiliation(s)
- Kei Nitta
- Department of Mechanical Engineering, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
| | - Takahiro Tsukahara
- Department of Mechanical Engineering, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
- Water Frontier Science & Technology Research Center (W-FST), Research Institute for Science & Technology, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
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