1
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Cremaschini S, Torriero N, Maceri C, Poles M, Cleve S, Crestani B, Meggiolaro A, Pierno M, Mistura G, Brun P, Ferraro D. Magnetic Stirring Device for Limiting the Sedimentation of Cells inside Microfluidic Devices. SENSORS (BASEL, SWITZERLAND) 2024; 24:5014. [PMID: 39124061 PMCID: PMC11314744 DOI: 10.3390/s24155014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 07/18/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024]
Abstract
In experiments considering cell handling in microchannels, cell sedimentation in the storage container is a key problem because it affects the reproducibility of the experiments. Here, a simple and low-cost cell mixing device (CMD) is presented; the device is designed to prevent the sedimentation of cells in a syringe during their injection into a microfluidic channel. The CMD is based on a slider crank device made of 3D-printed parts that, combined with a permanent magnet, actuate a stir bar placed into the syringe containing the cells. By using A549 cell lines, the device is characterized in terms of cell viability (higher than 95%) in different mixing conditions, by varying the oscillation frequency and the overall mixing time. Then, a dedicated microfluidic experiment is designed to evaluate the injection frequency of the cells within a microfluidic chip. In the presence of the CMD, a higher number of cells are injected into the microfluidic chip with respect to the static conditions (2.5 times), proving that it contrasts cell sedimentation and allows accurate cell handling. For these reasons, the CMD can be useful in microfluidic experiments involving single-cell analysis.
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Affiliation(s)
| | - Noemi Torriero
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Chiara Maceri
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Maria Poles
- Department of Medicine, University of Verona, 37124 Verona, Italy
| | - Sarah Cleve
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Beatrice Crestani
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Alessio Meggiolaro
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Matteo Pierno
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Giampaolo Mistura
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
| | - Paola Brun
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Davide Ferraro
- Department of Physics and Astronomy, University of Padua, 35131 Padua, Italy
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2
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Sun Y, Xiao Z, Chen B, Zhao Y, Dai J. Advances in Material-Assisted Electromagnetic Neural Stimulation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2400346. [PMID: 38594598 DOI: 10.1002/adma.202400346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/26/2024] [Indexed: 04/11/2024]
Abstract
Bioelectricity plays a crucial role in organisms, being closely connected to neural activity and physiological processes. Disruptions in the nervous system can lead to chaotic ionic currents at the injured site, causing disturbances in the local cellular microenvironment, impairing biological pathways, and resulting in a loss of neural functions. Electromagnetic stimulation has the ability to generate internal currents, which can be utilized to counter tissue damage and aid in the restoration of movement in paralyzed limbs. By incorporating implanted materials, electromagnetic stimulation can be targeted more accurately, thereby significantly improving the effectiveness and safety of such interventions. Currently, there have been significant advancements in the development of numerous promising electromagnetic stimulation strategies with diverse materials. This review provides a comprehensive summary of the fundamental theories, neural stimulation modulating materials, material application strategies, and pre-clinical therapeutic effects associated with electromagnetic stimulation for neural repair. It offers a thorough analysis of current techniques that employ materials to enhance electromagnetic stimulation, as well as potential therapeutic strategies for future applications.
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Affiliation(s)
- Yuting Sun
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhifeng Xiao
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Bing Chen
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yannan Zhao
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Jianwu Dai
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300192, China
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3
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Zhang G, Wang Y, Zhou W, Lei Y, Lu J, Yin W, Zhu Z, Yang C, Zhang P. A Magnetically Driven Tandem Chip Enables Rapid Isolation and Multiplexed Profiling of Extracellular Vesicles. Angew Chem Int Ed Engl 2023; 62:e202315113. [PMID: 37937998 DOI: 10.1002/anie.202315113] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/09/2023]
Abstract
The protein phenotypes of extracellular vesicles (EVs) have emerged as promising biomarkers for cancer diagnosis and treatment monitoring. However, the technical challenges in rapid isolation and multiplexed molecular detection of EVs have limited their clinical practice. Herein, we developed a magnetically driven tandem chip to achieve streamlined rapid isolation and multiplexed profiling of surface protein biomarkers of EVs. Driven by magnetic force, the magnetic nanomixers not only act as tiny stir bars to promote mass transfer and enhance reaction efficiency of EVs, but also transport on communicating vessels of the tandem chip continuously and expedite the assay workflow. We designed cyclic surface enhancement of Raman scattering (SERS) tags to bind with target EVs and then release them by exonuclease I, eliminating steric hindrance and amplifying the SERS signal of multiple protein biomarkers on EVs. Due to the excellent assay performance, six breast cancer biomarkers were detected simultaneously on EVs using only 10 μL plasma within 1.5 h. The unweighted SUM signature offers great accuracy in discriminating breast cancer patients from healthy donors. Overall, the dynamic magnetic driving tandem chip offers a new avenue to advance the clinical application of EV-based liquid biopsy.
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Affiliation(s)
- Guihua Zhang
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yaohui Wang
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Weihang Zhou
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Yanmei Lei
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jinsong Lu
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Wenjin Yin
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Zhi Zhu
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Chaoyong Yang
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Peng Zhang
- Institute of Molecular Medicine, Department of Breast Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
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4
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Jiang S, Li B, Zhao J, Wu D, Zhang Y, Zhao Z, Zhang Y, Yu H, Shao K, Zhang C, Li R, Chen C, Shen Z, Hu J, Dong B, Zhu L, Li J, Wang L, Chu J, Hu Y. Magnetic Janus origami robot for cross-scale droplet omni-manipulation. Nat Commun 2023; 14:5455. [PMID: 37673871 PMCID: PMC10482950 DOI: 10.1038/s41467-023-41092-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 08/22/2023] [Indexed: 09/08/2023] Open
Abstract
The versatile manipulation of cross-scale droplets is essential in many fields. Magnetic excitation is widely used for droplet manipulation due to its distinguishing merits. However, facile magnetic actuation strategies are still lacked to realize versatile multiscale droplet manipulation. Here, a type of magnetically actuated Janus origami robot is readily fabricated for versatile cross-scale droplet manipulation including three-dimensional transport, merging, splitting, dispensing and release of daughter droplets, stirring and remote heating. The robot allows untethered droplet manipulation from ~3.2 nL to ~51.14 μL. It enables splitting of droplet, precise dispensing (minimum of ~3.2 nL) and release (minimum of ~30.2 nL) of daughter droplets. The combination of magnetically controlled rotation and photothermal properties further endows the robot with the ability to stir and heat droplets remotely. Finally, the application of the robot in polymerase chain reaction (PCR) is explored. The extraction and purification of nucleic acids can be successfully achieved.
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Affiliation(s)
- Shaojun Jiang
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China
| | - Bo Li
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, 230027, China
| | - Jun Zhao
- Center of Engineering Technology Research for Biomedical Optical Instrument, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China
| | - Dong Wu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China.
| | - Yiyuan Zhang
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China
| | - Zhipeng Zhao
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China
| | - Yiyuan Zhang
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Hao Yu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, 230027, China
| | - Kexiang Shao
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Cong Zhang
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Rui Li
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Chao Chen
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Zuojun Shen
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Jie Hu
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Bin Dong
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Ling Zhu
- Center of Engineering Technology Research for Biomedical Optical Instrument, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China
| | - Jiawen Li
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Liqiu Wang
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
| | - Jiaru Chu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Yanlei Hu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, 230027, China.
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5
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Poles M, Meggiolaro A, Cremaschini S, Marinello F, Filippi D, Pierno M, Mistura G, Ferraro D. Shaking Device for Homogeneous Dispersion of Magnetic Beads in Droplet Microfluidics. SENSORS (BASEL, SWITZERLAND) 2023; 23:5399. [PMID: 37420565 DOI: 10.3390/s23125399] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/26/2023] [Accepted: 06/05/2023] [Indexed: 07/09/2023]
Abstract
Magnetic beads (or particles) having a size between 1 and 5 µm are largely used in many biochemical assays devoted to both purification and quantification of cells, nucleic acids, or proteins. Unfortunately, the use of these beads within microfluidic devices suffers from natural precipitation because of their size and density. The strategies applied thus far to cells or polymeric particles cannot be extended to magnetic beads, mainly due to their magnetization and their higher densities. We report an effective shaking device capable of preventing the sedimentation of beads that are stored in a custom PCR tube. After the characterization of the operating principle, the device is validated for magnetic beads in droplets, leading to an equal distribution between the droplets, barely affecting their generation.
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Affiliation(s)
- Maria Poles
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Alessio Meggiolaro
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Sebastian Cremaschini
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Filippo Marinello
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Daniele Filippi
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Matteo Pierno
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Giampaolo Mistura
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
| | - Davide Ferraro
- Department of Physics and Astronomy, University of Padua, Via Marzolo 8, 35131 Padua, Italy
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6
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Borah R, Ag KR, Minja AC, Verbruggen SW. A Review on Self-Assembly of Colloidal Nanoparticles into Clusters, Patterns, and Films: Emerging Synthesis Techniques and Applications. SMALL METHODS 2023; 7:e2201536. [PMID: 36856157 DOI: 10.1002/smtd.202201536] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/25/2023] [Indexed: 06/09/2023]
Abstract
The colloidal synthesis of functional nanoparticles has gained tremendous scientific attention in the last decades. In parallel to these advancements, another rapidly growing area is the self-assembly or self-organization of these colloidal nanoparticles. First, the organization of nanoparticles into ordered structures is important for obtaining functional interfaces that extend or even amplify the intrinsic properties of the constituting nanoparticles at a larger scale. The synthesis of large-scale interfaces using complex or intricately designed nanostructures as building blocks, requires highly controllable self-assembly techniques down to the nanoscale. In certain cases, for example, when dealing with plasmonic nanoparticles, the assembly of the nanoparticles further enhances their properties by coupling phenomena. In other cases, the process of self-assembly itself is useful in the final application such as in sensing and drug delivery, amongst others. In view of the growing importance of this field, this review provides a comprehensive overview of the recent developments in the field of nanoparticle self-assembly and their applications. For clarity, the self-assembled nanostructures are classified into two broad categories: finite clusters/patterns, and infinite films. Different state-of-the-art techniques to obtain these nanostructures are discussed in detail, before discussing the applications where the self-assembly significantly enhances the performance of the process.
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Affiliation(s)
- Rituraj Borah
- Sustainable Energy, Air & Water Technology (DuEL), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
- NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
| | - Karthick Raj Ag
- Sustainable Energy, Air & Water Technology (DuEL), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
- NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
| | - Antony Charles Minja
- Sustainable Energy, Air & Water Technology (DuEL), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
- NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
| | - Sammy W Verbruggen
- Sustainable Energy, Air & Water Technology (DuEL), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
- NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
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7
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Zou B, Lou S, Duan J, Zhou S, Wang Y. Design of Raman reporter-embedded magnetic/plasmonic hybrid nanostirrers for reliable microfluidic SERS biosensors. NANOSCALE 2023; 15:8424-8431. [PMID: 37093062 DOI: 10.1039/d3nr00303e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Magnetic-based microfluidic SERS biosensors hold great potential in various biological analyses due to their integrated advantages including easy manipulation, miniaturization and ultrasensitivity. However, it remains challenging to collect reliable SERS nanoprobe signals for quantitative analysis due to the irregular aggregation of magnetic carriers in a microfluidic chamber. Here, magnetic/plasmonic hybrid nanostirrers embedded with a Raman reporter are developed as capture carriers to improve the reliability of microfluidic SERS biosensors. Experimental results revealed that SERS signals from magnetic hybrid nanostirrers could serve as microenvironment beacons of their irregular aggregation, and a signal filtering method was proposed through exploring the relationship between the intensity range of beacons and the signal reproducibility of SERS nanoprobes using interleukin 6 as a model target analyte. Using the signal filtering method, reliable SERS nanoprobe signals with high reproducibility could be picked out from similar microenvironments according to their beacon intensity, and then the influence of irregular aggregation of magnetic carriers on the SERS nanoprobe could be eliminated. The filtered SERS nanoprobe signals also exhibited excellent repeatability from independent tests, which lay a solid foundation for a reliable working curve and subsequent accurate bioassay. This study provides a simple but promising route for reliable microfluidic SERS biosensors, which will further promote their practical application in biological analysis.
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Affiliation(s)
- Bingfang Zou
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, China.
- School of Physics and Electronics, Henan University, Kaifeng 475004, P. R. China
| | - Shiyun Lou
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, China.
| | - Jie Duan
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, China.
| | - Shaomin Zhou
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, China.
| | - Yongqiang Wang
- Key Lab for Special Functional Materials of Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, China.
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8
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Wang H, Li H, Gu P, Huang C, Chen S, Hu C, Lee E, Xu J, Zhu J. Electric, magnetic, and shear field-directed assembly of inorganic nanoparticles. NANOSCALE 2023; 15:2018-2035. [PMID: 36648016 DOI: 10.1039/d2nr05821a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Ordered assemblies of inorganic nanoparticles (NPs) have shown tremendous potential for wide applications due to their unique collective properties, which differ from those of individual NPs. Various assembly methods, such as external field-directed assembly, interfacial assembly, template assembly, biomolecular recognition-mediated assembly, confined assembly, and others, have been employed to generate ordered inorganic NP assemblies with hierarchical structures. Among them, the external field-directed assembly method is particularly fascinating, as it can remotely assemble NPs into well-ordered superstructures. Moreover, external fields (e.g., electric, magnetic, and shear fields) can introduce a local and/or global field intensity gradient, resulting in an additional force on NPs to drive their rotation and/or translation. Therefore, the external field-directed assembly of NPs becomes a robust method to fabricate well-defined functional materials with the desired optical, electronic, and magnetic properties, which have various applications in catalysis, sensing, disease diagnosis, energy conversion/storage, photonics, nano-floating-gate memory, and others. In this review, the effects of an electric field, magnetic field, and shear field on the organization of inorganic NPs are highlighted. The methods for controlling the well-ordered organization of inorganic NPs at different scales and their advantages are reviewed. Finally, future challenges and perspectives in this field are discussed.
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Affiliation(s)
- Huayang Wang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Hao Li
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Pan Gu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Caili Huang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Senbin Chen
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Chenglong Hu
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Jianghan University, Wuhan 430074, China
| | - Eunji Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Jiangping Xu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Jintao Zhu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
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9
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Campanile R, Elia VC, Minopoli A, Ud Din Babar Z, di Girolamo R, Morone A, Sakač N, Velotta R, Della Ventura B, Iannotti V. Magnetic micromixing for highly sensitive detection of glyphosate in tap water by colorimetric immunosensor. Talanta 2023; 253:123937. [PMID: 36179557 DOI: 10.1016/j.talanta.2022.123937] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 12/13/2022]
Abstract
Glyphosate is the most widely used herbicide in the world and, in view of its toxicity, there is a quest for easy-to-use, but reliable methods to detect it in water. To address this issue, we realized a simple, rapid, and highly sensitive immunosensor based on gold coated magnetic nanoparticles (MNPs@Au) to detect glyphosate in tap water. Not only the gold shell provided a sensitive optical transduction of the biological signal - through the shift of the local surface plasmon resonance (LSPR) entailed by the nanoparticle aggregation -, but it also allowed us to use an effective photochemical immobilization technique to tether oriented antibodies straight on the nanoparticles surface. While such a feature led to aggregates in which the nanoparticles were at close proximity each other, the magnetic properties of the core offered us an efficient tool to steer the nanoparticles by a rotating magnetic field. As a result, the nanoparticle aggregation in presence of the target could take place at higher rate (enhanced diffusion) with significant improvement in sensitivity. As a matter of fact, the combination of plasmonic and magnetic properties within the same nanoparticles allowed us to realize a colorimetric biosensor with a limit of detection (LOD) of 20 ng∙L-1.
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Affiliation(s)
- Raffaele Campanile
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy
| | - Valerio Cosimo Elia
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy
| | - Antonio Minopoli
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy
| | - Zaheer Ud Din Babar
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy; Scuola Superiore Meridionale (SSM), University of Naples Federico II, Largo S. Marcellino,10, 80138, Italy
| | - Rocco di Girolamo
- Department of Chemistry, University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy
| | - Antonio Morone
- CNR - Istituto di Struttura Della Materia - Unità di Tito-Scalo Zona Industriale di Tito Scalo, 85050, Potenza, Italy
| | - Nikola Sakač
- Faculty of Geotechnical Engineering, University of Zagreb, Hallerova 7, 42000, Varaždin, Croatia
| | - Raffaele Velotta
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy
| | - Bartolomeo Della Ventura
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy.
| | - Vincenzo Iannotti
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, 80126, Naples, Italy; CNR - SPIN (Institute for Superconductors, Oxides and Other Innovative Materials and Devices), Piazzale V. Tecchio 80, 80125, Naples, Italy
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10
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Brisbois CA, Olvera de la Cruz M. Positional ordering induced by dynamic steric interactions in superparamagnetic rods. SOFT MATTER 2023; 19:851-857. [PMID: 36632843 DOI: 10.1039/d2sm01519f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The dynamic motion produced by precessing magnetic fields can drive matter into far-from-equilibrium states. We predict 1D periodic ordering in systems of precessing rods when magnetic interactions between rods remain insignificant. The precession angle of the rods is completely determined by the field's precession angle and the ratio of the field's precession frequency and the characteristic response frequency of the rods. We develop a molecular dynamics model that explicitly calculates magnetic interactions between particles, and we also simulate rods in the limit of a strong and fast precessing magnetic field where inter-rod magnetic interactions are negligible, using a purely steric model. Our simulations show how steric interactions drive the rods from a positionally disordered phase (nematic) to a layered (smectic) phase. As the rod precession angle increases, the nematic-smectic transition density significantly decreases. The minimization of unfavorable steric interactions also induces phase separation in binary mixtures of rods of different lengths. This effect is general to any force that produces precession in elongated particles. This work will advance the understanding and control of out-of-equilibrium soft matter systems.
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Affiliation(s)
- Chase Austyn Brisbois
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
| | - Monica Olvera de la Cruz
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
- Department of Physics and Astronomy, Northwestern University, Evanston, IL, 60208, USA
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11
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Deem MC, Cai I, Derasp JS, Prieto PL, Sato Y, Liu J, Kukor AJ, Hein JE. Best Practices for the Collection of Robust Time Course Reaction Profiles for Kinetic Studies. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Madeleine C. Deem
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Isabelle Cai
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Joshua S. Derasp
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Paloma L. Prieto
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Yusuke Sato
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Junliang Liu
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Andrew J. Kukor
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Jason E. Hein
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
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12
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Wu F, Li H, Pan Y, Sun Y, Pan J. Bioinspired construction of magnetic nano stirring rods with radially aligned dual mesopores and intrinsic rapid adsorption of palladium. JOURNAL OF HAZARDOUS MATERIALS 2023; 441:129917. [PMID: 36099737 DOI: 10.1016/j.jhazmat.2022.129917] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/08/2022] [Accepted: 09/03/2022] [Indexed: 06/15/2023]
Abstract
Quick and precise recovery of palladium (Pd) from electronic waste remains a serious task, owing to the strong acid and complexity of chemical compounds in leachate. Here, bioinspired construction of magnetic nano stirring rod with radially aligned dual mesopores and abundant 8-aminoquinoline (MNSR-DM-AQ) is proposed for selective and rapid extraction of Pd(II) from highly acidic sample solutions. Benefit from the unique dual mesoporous (12.4 nm and 3.6 nm) and the stirring motion under an external magnetic field, MNSR-DM-AQ possesses enhanced adsorption capacity and kinetics, achieving 11.62 mg g-1 (97.2 % of the maximum adsorption capacity) in 15 min. Distribution coefficient (KD = 299.0 mL g-1), separation factor (α above 25.54) and concentration factor (CF = 230.2 mL g-1) reveal the excellent selectivity of MNSR-DM-AQ towards Pd(II) when comparing with the coexisting ions (Ca(II), Co(II), Cu(II), Fe(II), Mg(II), Ni(II), Pb(II), Zn(II)). The adsorption mechanisms of MNSR-DM-AQ are ion exchange and chelation due to a strong affinity between Pd(II) and N. Meanwhile, 96.82 % of the captured Pd(II) can be easily eluted within 15 min, and the adsorption capacity remains stable after five adsorption-desorption cycles. It is worthwhile to mention that MNSR-DM-AQ exhibits a high adsorption capacity of 8.39 mg g-1 from leachate of abandoned high-voltage patch capacitor, which is greatly desired in Pd(II) extraction from electronic waste.
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Affiliation(s)
- Fan Wu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Hao Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China; Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu 241002, Anhui, China.
| | - Yang Pan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Yonghui Sun
- Jiangsu Agrochem Laboratory Co., Ltd, Changzhou 213022, Jiangsu, China
| | - Jianming Pan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China; Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu 241002, Anhui, China.
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13
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Shimizu I, Yamashita K, Tokunaga E. Development of a Simple Fabrication Method for Magnetic Micro Stir Bars and Induction of Rotational Motion in Chlamydomonas reinhardtii. MICROMACHINES 2022; 13:1842. [PMID: 36363863 PMCID: PMC9695637 DOI: 10.3390/mi13111842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/16/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
A magnetic micro stirrer bar (MMSB) is used in the mixing operation of microfluidic devices. We have established a low-cost and easy method to make MMSBs using magnetic (neodymium magnets, magnet sheets) or non-magnetic powders (SUS304) as materials. We demonstrated three kinds of MMSB have respective advantages. To confirm the practical use of this MMSB, a cell suspension of the motile unicellular green alga Chlamydomonas reinhardtii was stirred in microwells. As a result, the number of rotating cells increased with only one of the two flagella mechanically removed by the shear force of the rotating bar, which facilitates the kinetic analysis of the flagellar motion of the cell. The rotational motion of the monoflagellate cell was modeled as translational (orbital) + spinning motion of a sphere in a viscous fluid and the driving force per flagellum was confirmed to be consistent with previous literature. Since the present method does not use genetic manipulations or chemicals to remove a flagellum, it is possible to obtain cells in a more naturally viable state quickly and easily than before. However, since the components eluted from the powder material harm the health of cells, it was suggested that MMSB coated with resin for long-term use would be suitable for more diverse applications.
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14
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Yu Y, Wan L, Cheng W, Shi S, Yuan M, Luo Y, Mei L, Xu T, Wang S, Zhao D, Xiao W, Ai F, Fang Q, Chen C. Self-Stirring Microcatalysts: Large-Scale, High-Throughput, and Controllable Preparation and Application. Inorg Chem 2022; 61:11757-11765. [PMID: 35863066 DOI: 10.1021/acs.inorgchem.2c01444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we introduce a strategy to develop a kind of unprecedented microcatalyst, which owns self-stirring and catalytic performance based on pneumatic printing and magnetic field induction technology. A spindle-shaped microcatalyst based on metal-organic frameworks (MOFs) with a certain aspect ratio and size can be obtained by tuning the printing parameters and the intensity of the magnetic field. One nozzle can print 18 000 microcatalysts per hour, which provides a prerequisite for the realization of large-scale production in the industrial field. Furthermore, this strategy can be widely applied to a variety of other heterogeneous catalysts, such as mesoporous SiO2, zeolite, metallic oxide, and so on. To demonstrate the superiority of the printed catalyst, the series of printed microcatalysts were evaluated by various catalytic reactions including liquid-phase hydrogenation, microdroplet dye-fading, and photocatalytic degradation in microreactor, all of which exhibited excellent catalytic performance.
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Affiliation(s)
- Ying Yu
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Li Wan
- School of Advanced Manufacturing, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Wenqian Cheng
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Shunli Shi
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Mingwei Yuan
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Yanping Luo
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Liren Mei
- School of Advanced Manufacturing, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Tong Xu
- School of Marxism, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Shuhua Wang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Dan Zhao
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Weiming Xiao
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Fanrong Ai
- School of Advanced Manufacturing, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
| | - Qianrong Fang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Chao Chen
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, P. R. China
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15
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Wang J, Zhou S, Li B, Liu X, Chen H, Wang H. Improving the Photostability of [Ru(bpy)3]2+ by Embedding in Silica. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jingjing Wang
- Nanjing Tech University School of Chemistry and Molecular Engineering Institution CHINA
| | - Shiyan Zhou
- Nanjing Tech University School of Chemistry and Molecular Engineering Institution CHINA
| | - Bo Li
- Nanjing Tech University School of Chemistry and Molecular Engineering Institution CHINA
| | - Xueyang Liu
- Nanjing Tech University School of Chemistry and Molecular Engineering Institution CHINA
| | - Hongyu Chen
- Westlake University Institute of Natural Sciences CHINA
| | - Hong Wang
- University of Science and Technology of China Department of Environmental Science and Engineering N0. 96 Jinzhai road 230026 Hefei CHINA
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16
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Fan X, Walther A. 1D Colloidal chains: recent progress from formation to emergent properties and applications. Chem Soc Rev 2022; 51:4023-4074. [PMID: 35502721 DOI: 10.1039/d2cs00112h] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Integrating nanoscale building blocks of low dimensionality (0D; i.e., spheres) into higher dimensional structures endows them and their corresponding materials with emergent properties non-existent or only weakly existent in the individual building blocks. Constructing 1D chains, 2D arrays and 3D superlattices using nanoparticles and colloids therefore continues to be one of the grand goals in colloid and nanomaterial science. Amongst these higher order structures, 1D colloidal chains are of particular interest, as they possess unique anisotropic properties. In recent years, the most relevant advances in 1D colloidal chain research have been made in novel synthetic methodologies and applications. In this review, we first address a comprehensive description of the research progress concerning various synthetic strategies developed to construct 1D colloidal chains. Following this, we highlight the amplified and emergent properties of the resulting materials, originating from the assembly of the individual building blocks and their collective behavior, and discuss relevant applications in advanced materials. In the discussion of synthetic strategies, properties, and applications, particular attention will be paid to overarching concepts, fresh trends, and potential areas of future research. We believe that this comprehensive review will be a driver to guide the interdisciplinary field of 1D colloidal chains, where nanomaterial synthesis, self-assembly, physical property studies, and material applications meet, to a higher level, and open up new research opportunities at the interface of classical disciplines.
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Affiliation(s)
- Xinlong Fan
- Institute for Macromolecular Chemistry, Albert-Ludwigs-University Freiburg, Stefan-Meier-Str. 31, 79104, Freiburg, Germany.
| | - Andreas Walther
- A3BMS Lab, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany.
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17
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Li G, Luo W, Che Z, Pu Y, Deng P, Shi L, Ma H, Guan J. Lipophilic Magnetic Photonic Nanochains for Practical Anticounterfeiting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200662. [PMID: 35460197 DOI: 10.1002/smll.202200662] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Magnetic photonic crystals (PCs) possess attractive magnetic orientation, flexible pattern designability, and abundant angle-dependent colors, providing immense potential in anticounterfeiting field. However, all-solid magnetic PCs-based labels generally suffer from incompatibility with screen printing techniques, and inferior environmental endurance and mechanical properties. Herein, by developing a selective concentration polymerization method under magnetic field (H) in microheterogenous dimethyl sulfoxide-water binary solvents, individual tens-of-micrometer-length lipophilic magnetic photonic nanochains (PNCs) of full-width at half-maxima below 30 nm are fabricated, which, after simply dispersed in solvent-free cycloaliphatic epoxy resin, can be formulated as photonic inks to print robust anticounterfeiting labels through an H-assisted screen-printing technology. The as-printed labels possess vivid optically variable effects (OVEs) associated with the spatial distribution of H directionality, which are easy to identify by the naked eye but difficult to imitate and duplicate, while they show excellent environmental resistance and mechanical properties, promising practical applications in banknotes and high-grade commodities. The polymerization mechanism of the lipophilic PNCs is elucidated, and the OVEs are deciphered in numerical simulation. Besides an efficient way to build organic-inorganic hybrid nanostructures, the work provides advanced structural color pigments to achieve the practical application of magnetic PCs in such an anticounterfeiting field.
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Affiliation(s)
- Gang Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi road, Wuhan, 430070, P. R. China
| | - Wei Luo
- School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi road, Wuhan, 430070, P. R. China
| | - Zhiyuan Che
- Department of Physics, Fudan University, 220 Handan road, Shanghai, 200433, P. R. China
| | - YuYang Pu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi road, Wuhan, 430070, P. R. China
| | - Peng Deng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi road, Wuhan, 430070, P. R. China
| | - Lei Shi
- Department of Physics, Fudan University, 220 Handan road, Shanghai, 200433, P. R. China
| | - Huiru Ma
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi road, Wuhan, 430070, P. R. China
| | - Jianguo Guan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi road, Wuhan, 430070, P. R. China
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18
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Mohamed‐Ibrahim NAB, Kheng Boong S, Zhong Ang Z, Shiuan Ng L, Tan JYC, Chong C, Kwee Lee H. Applying Magnetic‐Responsive Nanocatalyst‐Liquid Interface for Active Molecule Manipulation to Boost Catalysis Beyond Diffusion Limit. ChemCatChem 2022. [DOI: 10.1002/cctc.202200036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nur Amalina binte Mohamed‐Ibrahim
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Siew Kheng Boong
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Zhi Zhong Ang
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Li Shiuan Ng
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Jia Ying Charlene Tan
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Carice Chong
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Hiang Kwee Lee
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
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19
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Wang Y, Zhang J, Pu L, Cao M, Dong S, Vecitis CD, Gao G. Unexpected exfoliation and activity of nano poly(tetrafluoroethylene) particles from magnetic stir bars: Discovery and implication. CHEMOSPHERE 2022; 291:132797. [PMID: 34742762 DOI: 10.1016/j.chemosphere.2021.132797] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/13/2021] [Accepted: 11/02/2021] [Indexed: 06/13/2023]
Abstract
Magnetic stir bars are routinely used by most of researchers in the fields of chemistry, biology and environment etc. An incredible phenomenon, in which the magnetic stirring increased reaction rate by tens of times under ultrasound irradiation, impelled us to explore roles of magnetic stirring. Unexpectedly, the thimbleful nano PTFE particles, from shell of magnetic stir bar, were exfoliated during magnetic stirring and account for ultrahigh tribocatalytic and piezocatalytic activities under ultrasonic irradiation. Reactive oxygen species (ROS), such as hydroxyl radical (OH), superoxide radicals (O2-) and singlet oxygen (1O2) were generated in the present of PTFE under ultrasound irradiation, which is desired in the pollution control. The newly discovered PTFE activity, against the conventional wisdom that PTFE is inert, which also reminds the researchers that the trace amount of PTFE ground during magnetic stirring may inadvertently botch our experiments and introduce false positive results, especially involving routine magnetic stirring and ultrasound irradiation operation in laboratory. In addition, the safety and inertness of PTFE may require further review in PTFE-based commercial, industrial and biomedical settings.
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Affiliation(s)
- Yanfeng Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Jing Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Liangtao Pu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Miao Cao
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Shangshang Dong
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Chad D Vecitis
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
| | - Guandao Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China; Research Center for Environmental Nanotechnology (ReCENT), Nanjing University, Nanjing, 210023, China.
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20
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Liu D, Li S, Zhang T, Jiang H, Lu Y. 3D Magnetic Field-Controlled Synthesis, Collective Motion, and Bioreaction Enhancement of Multifunctional Peasecod-like Nanochains. ACS APPLIED MATERIALS & INTERFACES 2021; 13:36157-36170. [PMID: 34296851 DOI: 10.1021/acsami.1c08130] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Magnetic field-induced synthesis and biocatalysis of magnetic materials have inspired great interest due to the flexible controllability of morphologies and unique magnetoelectrical properties. However, the interaction of the magnetic field and the reaction kinetics during the synthesis of magnetic nanochains has not been revealed. The collective motions in fluids and the multifunctional enhancements for bioreaction of 3D magnetic-controlled nanochains have not been systematically researched. Here, an integrated 3D magnetic control method was reported for the synthesis, collective motion, and multifunctional bioreaction enhancement of peasecod-like nanochains. The interactions of magnetic field and reaction kinetics were rationally controlled to synthesize magnetic nanochains of different morphologies. Collective motions of nanochains under alternating magnetic fields were studied to provide insights into the disturbance on confined fluids. Three mechanisms of reaction enhancement of nanostir, magnetic agent, and nanocatalyst were achieved simultaneously via 3D magnetic-controlled nanochains using a glucose oxidase-horseradish peroxidase multi-enzyme system. The peasecod-like nanochain also exhibited excellent reaction enhancement in cell-free protein synthesis reaction, which is desired for effective high-throughput screening. The integrated 3D magnetic control method through the whole process from fabrication to applications of magnetic nanomaterials could be extended to multifunctional biocatalysis and multi-task biomedicine.
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Affiliation(s)
- Dong Liu
- Key Laboratory of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Shangsong Li
- School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
| | - Ting Zhang
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Hao Jiang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Yuan Lu
- Key Laboratory of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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21
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Yang M, Gao Y, Liu Y, Yang G, Zhao CX, Wu KJ. Integration of microfluidic systems with external fields for multiphase process intensification. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2021.116450] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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22
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Li X, Liu X, Liu X. Self-assembly of colloidal inorganic nanocrystals: nanoscale forces, emergent properties and applications. Chem Soc Rev 2021; 50:2074-2101. [PMID: 33325927 DOI: 10.1039/d0cs00436g] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The self-assembly of colloidal nanoparticles has made it possible to bridge the nanoscopic and macroscopic worlds and to make complex nanostructures. The nanoparticle-mediated assembly enables many potential applications, from biodetection and nanomedicine to optoelectronic devices. Properties of assembled materials are determined not only by the nature of nanoparticle building blocks, but also by spatial positions of nanoparticles within the assemblies. A deep understanding of nanoscale interactions between nanoparticles is a prerequisite to controlling nanoparticle arrangement during assembly. In this review, we present an overview of interparticle interactions governing their assembly in a liquid phase. Considerable attention is devoted to examples that illustrate nanoparticle assembly into ordered superstructures using different types of building blocks, including plasmonic nanoparticles, magnetic nanoparticles, lanthanide-doped nanophosphors, and quantum dots. We also cover the physicochemical properties of nanoparticle ensembles, especially those arising from particle coupling effects. We further discuss future research directions and challenges in controlling self-assembly at a level of precision that is most crucial to technology development.
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Affiliation(s)
- Xiyan Li
- Institute of Photoelectronic Thin Film Devices and Technology, Nankai University, Tianjin 300071, China.
| | - Xiaowang Liu
- Frontiers Science Center for Flexible Electronics (FSCFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Shaanxi Institute of Flexible Electronics (SIFE), 8. Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an 710072, China.
| | - Xiaogang Liu
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, 117543, Singapore. and Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Fuzhou 350207, China and The N.1 Institute for Health, National University of Singapore, 117456, Singapore
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23
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Wang R, Han F, Chen B, Liu L, Wang S, Zhang H, Han Y, Chen H. Liquid Nanoparticles: Manipulating the Nucleation and Growth of Nanoscale Droplets. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012564] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ruoxu Wang
- Institute of Advanced Synthesis (IAS) School of Chemistry and Molecular Engineering Nanjing Tech University No.30 Puzhu Road(S) Nanjing China
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link 637371 Singapore Singapore
| | - Fei Han
- Institute of Advanced Synthesis (IAS) School of Chemistry and Molecular Engineering Nanjing Tech University No.30 Puzhu Road(S) Nanjing China
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link 637371 Singapore Singapore
| | - Bo Chen
- School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue 639798 Singapore Singapore
| | - Lingmei Liu
- Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Shaoyan Wang
- Institute of Advanced Synthesis (IAS) School of Chemistry and Molecular Engineering Nanjing Tech University No.30 Puzhu Road(S) Nanjing China
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link 637371 Singapore Singapore
| | - Hua Zhang
- Department of Chemistry City University of Hong Kong 83 Tat Chee Ave Kowloon Tong, Hong Kong China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM) City University of Hong Kong 83 Tat Chee Ave Kowloon Tong, Hong Kong China
| | - Yu Han
- Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Hongyu Chen
- Institute of Advanced Synthesis (IAS) School of Chemistry and Molecular Engineering Nanjing Tech University No.30 Puzhu Road(S) Nanjing China
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Wang R, Han F, Chen B, Liu L, Wang S, Zhang H, Han Y, Chen H. Liquid Nanoparticles: Manipulating the Nucleation and Growth of Nanoscale Droplets. Angew Chem Int Ed Engl 2021; 60:3047-3054. [PMID: 33191586 DOI: 10.1002/anie.202012564] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/02/2020] [Indexed: 12/11/2022]
Abstract
By manipulating the nucleation and growth of solid materials, the synthesis of various sophisticated nanostructures has been achieved. Similar methodology, if applied to liquids, could enable the mass-production and control of ultra-small droplets at the scale of nanoparticles (10-18 L or below). It would be highly desirable since droplets play a fundamental role in numerous applications. Here we present a general strategy to synthesize and manipulate nanoscale droplets, similar to what has been done to solid nanoparticles in classic solution-synthesis. It was achieved by a solute-induced phase separation which initiates the nucleation of droplets from a homogeneous solution. These liquid nanoparticles have great potentials to be manipulated like their solid counterparts, borrowing from the vast methodologies of nanoparticle synthesis, such as burst nucleation, seeded growth, and co-precipitation. Liquid nanoparticles also serve as a general synthetic platform, to fabricate nanoreactors, drug-loaded carriers, and other hollow nanostructures with a variety of shell materials.
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Affiliation(s)
- Ruoxu Wang
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering, Nanjing Tech University, No.30 Puzhu Road(S), Nanjing, China.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Fei Han
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering, Nanjing Tech University, No.30 Puzhu Road(S), Nanjing, China.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Bo Chen
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore, Singapore
| | - Lingmei Liu
- Physical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Shaoyan Wang
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering, Nanjing Tech University, No.30 Puzhu Road(S), Nanjing, China.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore, Singapore
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Hong Kong, China.,Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Hong Kong, China
| | - Yu Han
- Physical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Hongyu Chen
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering, Nanjing Tech University, No.30 Puzhu Road(S), Nanjing, China
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25
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Seo YJ, Lee HG, Yang JS, Jeong H, Han J, Kim JH, Koo HJ, Yoon H. Manipulation of light transmission from stable magnetic microrods formed by the alignment of magnetic nanoparticles. RSC Adv 2021; 11:2390-2396. [PMID: 35424150 PMCID: PMC8693700 DOI: 10.1039/d0ra09511g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 12/19/2020] [Indexed: 11/23/2022] Open
Abstract
Due to the increasing energy consumption, smart technologies have been considered to automatically control energy loss. Smart windows, which can use external signals to modulate their transparency, can regulate solar energy by reflecting excess energy and retaining the required energy in a building without using additional energy to cool or heat the interiors of the building. Although many technologies have been developed for smart windows, they still need to be economically optimised. Here, we propose a facile method to synthesise magnetic microrods from magnetic nanoparticles by alignment using a magnetic field. To maximise the transparency difference in the ON and OFF states, we controlled the nanoparticle concentration in a dispersion liquid, magnetic field application time, and viscosity of the dispersant. Interestingly, the magnetic microrods remained stable when we mixed short-chain polymers (polyethylene glycol) with a liquid dispersant (isopropyl alcohol). Furthermore, the Fe2O3 microrods maintained their shape for more than a week, while the Fe3O4 microrods clustered after a day because they became permanent magnets. The anisotropic features of the magnetic rods were used as a light valve to control the transparency of the smart window.
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Affiliation(s)
- Yoon Ji Seo
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Hyung Gyu Lee
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Jun Seok Yang
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Hwanyeop Jeong
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Jeonghun Han
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Ji-Hye Kim
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Hyung-Jun Koo
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
| | - Hyunsik Yoon
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science & Technology Seoul 01811 Korea
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26
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Hou Z, Liu Y, Xu J, Zhu J. Surface engineering of magnetic iron oxide nanoparticles by polymer grafting: synthesis progress and biomedical applications. NANOSCALE 2020; 12:14957-14975. [PMID: 32648868 DOI: 10.1039/d0nr03346d] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Magnetic iron oxide nanoparticles (IONPs) have wide applications in magnetic resonance imaging (MRI), biomedicine, drug delivery, hyperthermia therapy, catalysis, magnetic separation, and others. However, these applications are usually limited by irreversible agglomeration of IONPs in aqueous media because of their dipole-dipole interactions, and their poor stability. A protecting polymeric shell provides IONPs with not only enhanced long-term stability, but also the functionality of polymer shells. Therefore, polymer-grafted IONPs have recently attracted much attention of scientists. In this tutorial review, we will present the current strategies for grafting polymers onto the surface of IONPs, basically including "grafting from" and "grafting to" methods. Available functional groups and chemical reactions, which could be employed to bind polymers onto the IONP surface, are comprehensively summarized. Moreover, the applications of polymer-grafted IONPs will be briefly discussed. Finally, future challenges and perspectives in the synthesis and application of polymer-grafted IONPs will also be discussed.
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Affiliation(s)
- Zaiyan Hou
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Yijing Liu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Jiangping Xu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Jintao Zhu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
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27
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Miniaturized magnetic stir bars for controlled agitation of aqueous microdroplets. Sci Rep 2020; 10:10911. [PMID: 32616786 PMCID: PMC7331805 DOI: 10.1038/s41598-020-67767-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 06/08/2020] [Indexed: 12/19/2022] Open
Abstract
Controlled stirring of tiny volumes of aqueous fluids is of particular importance in the life sciences, e.g. in the context of microfluidic and lab-on-chip applications. Local stirring not only accelerates fluid mixing and diffusion-limited processes, but it also allows for adding controlled active noise to the fluid. Here we report on the synthesis and characterization of magnetic nano-stir bars (MNBs) with which these features can be achieved in a straightforward fashion. We also demonstrate the applicability of MNBs to cell extract droplets in microfluidic channels and we show that they can introduce active noise to cell extracts as evidenced by altered fluctuations of ensembles of cytoskeletal filaments.
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28
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Capturing Amyloid-β Oligomers by Stirring with Microscaled Iron Oxide Stir Bars into Magnetic Plaques to Reduce Cytotoxicity toward Neuronal Cells. NANOMATERIALS 2020; 10:nano10071284. [PMID: 32629933 PMCID: PMC7407479 DOI: 10.3390/nano10071284] [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: 04/29/2020] [Revised: 06/24/2020] [Accepted: 06/28/2020] [Indexed: 11/17/2022]
Abstract
Soluble amyloid-β oligomers (oAβ42)-induced neuronal death and inflammation response has been recognized as one of the major causes of Alzheimer’s disease (AD). In this work, a novel strategy adopting silica-coated iron oxide stir bar (MSB)-based AD therapy system via magnetic stirring-induced capture of oAβ42 into magnetic plaques (mpAβ42) and activation of microglia on cellular plaque clearance was developed. With oAβ42 being effectively converted into mpAβ42, the neurotoxicity toward neuronal cells was thus greatly reduced. In addition to the good preservation of neurite outgrowth through the diminished uptake of oAβ42, neurons treated with oAβ42 under magnetic stirring also exhibited comparable neuron-specific protein expression to those in the absence of oAβ42. The phagocytic uptake of mpAβ42 by microglia was enhanced significantly as compared to the counterpart of oAβ42, and the M1 polarization of microglia often occurring after the uptake of oAβ42 restricted to an appreciable extent. As a result, the inflammation induced by pro-inflammatory cytokines was greatly alleviated.
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29
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Huang C, Chen X, Xue Z, Wang T. Effect of structure: A new insight into nanoparticle assemblies from inanimate to animate. SCIENCE ADVANCES 2020; 6:eaba1321. [PMID: 32426506 PMCID: PMC7220353 DOI: 10.1126/sciadv.aba1321] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 02/27/2020] [Indexed: 05/03/2023]
Abstract
Nanoparticle (NP) assemblies are among the foremost achievements of nanoscience and nanotechnology because their interparticle interactions overcome the weaknesses displayed by individual NPs. However, previous studies have considered NP assemblies as inanimate, which had led to their dynamic properties being overlooked. Animate properties, i.e., those mimicking biological properties, endow NP ensembles with unique and unexpected functionalities for practical applications. In this critical review, we highlight recent advances in our understanding of the properties of NP assemblies, particularly their animate properties. Key examples are used to illustrate critical concepts, and special emphasis is placed on animate property-dependent applications. Last, we discuss the barriers to further advances in this field.
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Affiliation(s)
- Chuanhui Huang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry, Chinese Academy of Sciences, #2 Zhongguancun, North First Street, Beijing 100190, China
| | - Xiangyu Chen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry, Chinese Academy of Sciences, #2 Zhongguancun, North First Street, Beijing 100190, China
| | - Zhenjie Xue
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry, Chinese Academy of Sciences, #2 Zhongguancun, North First Street, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tie Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry, Chinese Academy of Sciences, #2 Zhongguancun, North First Street, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Corresponding author.
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30
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Hu W, Liu C, Wang J, Pei C, Zhang Y, Zhang C, Liu Y, Shan Y, Yu C. Synthesis of cube–rod–tube triblock asymmetric nanostructures for enhanced heterogeneous catalysis. Chem Commun (Camb) 2020; 56:7973-7976. [DOI: 10.1039/d0cc03198d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A triblock asymmetric nanostructure is fabricated via a sequential growth process, which can be used as an active nano stir bar with accelerated catalytic performance.
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Affiliation(s)
- Wenli Hu
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Chao Liu
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Jing Wang
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Congcong Pei
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Ye Zhang
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Chaoqi Zhang
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Yang Liu
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Yongkui Shan
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
| | - Chengzhong Yu
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200241
- P. R. China
- Australian Institute for Bioengineering and Nanotechnology
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31
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Ji Q, Hu T, Chen Q, Xin W, Liu X, Chen H. Scalable and continuous preparation of nano-stirbars by electrospinning. Chem Commun (Camb) 2020; 56:11767-11770. [DOI: 10.1039/d0cc04408c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Continuous and scalable synthesis of nano-stirbars is achieved by combining electrospinning and ultrasonic breaking.
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Affiliation(s)
- Qiaozhen Ji
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Centre for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Ting Hu
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Centre for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Qiuxian Chen
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Centre for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Wenwen Xin
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Centre for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Xueyang Liu
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Centre for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Hongyu Chen
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Centre for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
- P. R. China
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32
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Liu H, Zheng S, Yang X, Liao W, Wang C, Miao W, Tang J, Wang D, Tian Y. Magnetic Actuation Multifunctional Platform Combining Microdroplets Delivery and Stirring. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47642-47648. [PMID: 31765117 DOI: 10.1021/acsami.9b18957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Multifunctional droplets manipulation devices are in urgent need for various laboratory operations such as chemical reaction and biological analysis. However, most current techniques that achieved a controllable droplet transport system mainly rely on passive diffusion for mixing, limiting their practical applications. Here, we develop a magnetic controlled dimple on slippery surface (MCDSS) that enables arbitrary direction or even uphill droplet transport through the synergy between gravitational force and asymmetrical droplet deformation. Further experiments demonstrate that our system could also be used for stirring microdroplets and accelerating the mixing speed by more than one hundred times. In addition, the microstir strategy could help to avoid locally uneven production of precipitation or gas in heterogeneous reactions. This combination of droplet delivery and agitation may have a promising future for application in various fields, for example, laboratory-on-a-chip platforms and microengines.
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Affiliation(s)
- He Liu
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry , Beihang University , Beijing 100191 , P. R. China
| | - Shuang Zheng
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Green Printing , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Xuan Yang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry , Beihang University , Beijing 100191 , P. R. China
| | - Wenbo Liao
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry , Beihang University , Beijing 100191 , P. R. China
| | - Can Wang
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Weining Miao
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Jiayue Tang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry , Beihang University , Beijing 100191 , P. R. China
| | - Dianyu Wang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry , Beihang University , Beijing 100191 , P. R. China
| | - Ye Tian
- Key Laboratory of Bio-inspired Materials and Interfacial Science , Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , P. R. China
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33
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Complete inclusion of bioactive molecules and particles in polydimethylsiloxane: a straightforward process under mild conditions. Sci Rep 2019; 9:17575. [PMID: 31772250 PMCID: PMC6879495 DOI: 10.1038/s41598-019-54155-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/17/2019] [Indexed: 11/18/2022] Open
Abstract
By applying a slow curing process, we show that biomolecules can be incorporated via a simple process as liquid stable phases inside a polydimethylsiloxane (PDMS) matrix. The process is carried out under mild conditions with regards to temperature, pH and relative humidity, and is thus suitable for application to biological entities. Fluorescence and enzymatic activity measurements show that the biochemical properties of the proteins and enzyme tested are preserved, without loss due to adsorption at the liquid-polymer interface. Protected from external stimuli by the PDMS matrix, these soft liquid composite materials are new tools of interest for robotics, microfluidics, diagnostics and chemical microreactors.
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34
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Gu C, Tao WQ, Li M, Jiang Y, Liu XQ, Tan P, Sun LB. Fabrication of multifunctional integrated catalysts by decorating confined Ag nanoparticles on magnetic nanostirring bars. J Colloid Interface Sci 2019; 555:315-322. [PMID: 31394318 DOI: 10.1016/j.jcis.2019.07.098] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/27/2019] [Accepted: 07/29/2019] [Indexed: 11/29/2022]
Abstract
Catalysis benefits from biomimetic materials with sophisticated structures because a variety of functions can be integrated into one structure, satisfying the demands of a diverse range of applications. Magnetic catalysts have been widely used in various applications, but the magnetic components are most commonly used for recycling. In this study, we report the fabrication of magnetic nanocatalysts composed of a support of magnetic nanobars and Ag nanoparticles confined between two silica layers. Notably, the catalysts are constructed as nanoscale stirring bars that are able to generate disturbances at this scale. More importantly, the catalysts can be applied in both macro- and micro-systems, effectively addressing the conventional mixing method. The catalysts can then be conveniently separated from the system after use. The performances of magnetic nanoscale catalysts are well maintained through recycling.
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Affiliation(s)
- Chen Gu
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Wei-Qiang Tao
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Min Li
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yao Jiang
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xiao-Qin Liu
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Peng Tan
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Lin-Bing Sun
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
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35
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Choi CKK, Chiu YTE, Zhuo X, Liu Y, Pak CY, Liu X, Tse YLS, Wang J, Choi CHJ. Dopamine-Mediated Assembly of Citrate-Capped Plasmonic Nanoparticles into Stable Core-Shell Nanoworms for Intracellular Applications. ACS NANO 2019; 13:5864-5884. [PMID: 31038921 DOI: 10.1021/acsnano.9b01591] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Plasmonic nanochains, derived from the one-dimensional assembly of individual plasmonic nanoparticles (NPs), remain infrequently explored in biological investigations due to their limited colloidal stability, ineffective cellular uptake, and susceptibility to intracellular disassembly. We report the synthesis of polydopamine (PDA)-coated plasmonic "nanoworms" (NWs) by sonicating citrate-capped gold (Cit-Au) NPs in a concentrated dopamine (DA) solution under alkaline conditions. DA mediates the assembly of Cit-Au NPs into Au NWs within 1 min, and subsequent self-polymerization of DA for 60 min enables the growth of an outer conformal PDA shell that imparts stability to the inner Au NW structure in solution, yielding "core-shell" Au@PDA NWs with predominantly 4-5 Au cores per worm. Our method supports the preparation of monometallic Au@PDA NWs with different core sizes and bimetallic PDA-coated NWs with Au and silver cores. The protonated primary amine and catechol groups of DA, with their ability to interact with Cit anions via hydrogen bonding and electrostatic attraction, are critical to assembly. When compared to unassembled PDA-coated Au NPs, our Au@PDA NWs scatter visible light and absorb near-infrared light more intensely and enter HeLa cancer cells more abundantly. Au@PDA NWs cross the cell membrane as intact entities primarily via macropinocytosis, mostly retain their inner NW structure and outer PDA shell inside the cell for 24 h, and do not induce noticeable cytotoxicity. We showcase three intracellular applications of Au@PDA NWs, including label-free dark-field scattering cell imaging, delivery of water-insoluble cargos without pronounced localization in acidic compartments, and photothermal killing of cancer cells.
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36
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Meng F, Matsunaga D, Yeomans JM, Golestanian R. Magnetically-actuated artificial cilium: a simple theoretical model. SOFT MATTER 2019; 15:3864-3871. [PMID: 30916679 DOI: 10.1039/c8sm02561d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We propose a theoretical model for a magnetically-actuated artificial cilium in a fluid environment and investigate its dynamical behaviour, using both analytical calculations and numerical simulations. The cilium consists of a spherical soft magnet, a spherical hard magnet, and an elastic spring that connects the two magnetic components. Under a rotating magnetic field, the cilium exhibits a transition from phase-locking at low frequencies to phase-slipping at higher frequencies. We study the dynamics of the magnetic cilium in the vicinity of a wall by incorporating its hydrodynamic influence, and examine the efficiency of the actuated cilium in pumping viscous fluids. This cilium model can be helpful in a variety of applications such as transport and mixing of viscous solutions at small scales and fabricating microswimmers.
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Affiliation(s)
- Fanlong Meng
- Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford OX1 3PU, UK.
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37
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Liu J, Wang S, Cai K, Li Y, Liu Z, Liu L, Han Y, Wang H, Han H, Chen H. A New Type of Capping Agent in Nanoscience: Metal Cations. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900444. [PMID: 30946534 DOI: 10.1002/smll.201900444] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 03/17/2019] [Indexed: 06/09/2023]
Abstract
Capping agents are the essential factor in nanoscience and nanotechnology. However, the types of capping agents are greatly limited. Defying conventional beliefs, here is shown that metal cations can also be considered as capping agents for oxide nanoparticles, particularly in maintaining their colloidal stability and controlling their facets. Here the general stabilizing effects of multivalent cations for oxide nanoparticles, and the facet controlling role of Al3+ ions in the growth and ripening of Cu2 O octahedra, are demonstrated. This discovery broadens the view of capping agent and opens doors for nanosynthesis, surface treatment, and beyond.
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Affiliation(s)
- Jiawei Liu
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Engineering, Huazhong Agricultural University, Wuhan, 430070, P. R. China
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, Singapore, 637371, Singapore
| | - Shaoyan Wang
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, Singapore, 637371, Singapore
| | - Kai Cai
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Engineering, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Yefei Li
- Collaborative Innovation Center of Chemistry for Energy Material, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Key Laboratory of Computational Physical Science (Ministry of Education), Department of Chemistry, Fudan University, Shanghai, 200433, P. R. China
| | - Zhipan Liu
- Collaborative Innovation Center of Chemistry for Energy Material, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Key Laboratory of Computational Physical Science (Ministry of Education), Department of Chemistry, Fudan University, Shanghai, 200433, P. R. China
| | - Lingmei Liu
- Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Yu Han
- Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Hong Wang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Heyou Han
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Engineering, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Hongyu Chen
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, Singapore, 637371, Singapore
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
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Zhou X, Cao C, Zhang R, Huang Z, Song W. A new approach to maintaining the structural integrity of fragile nanostructured heterogeneous catalysts with nanoscale magnetic stir bars. Sci Bull (Beijing) 2019; 64:229-231. [PMID: 36659711 DOI: 10.1016/j.scib.2019.01.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/16/2019] [Accepted: 01/19/2019] [Indexed: 01/21/2023]
Affiliation(s)
- Xin Zhou
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Changyan Cao
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Ruoxi Zhang
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiheng Huang
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weiguo Song
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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39
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Magenetic field induced proton transfer of 18-crown-6-ether/fluoroboric acid/water system: Crystal structure and Hirshfeld surfaces. Polyhedron 2018. [DOI: 10.1016/j.poly.2018.06.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Wang S, Fu J, Wang K, Gao M, Wang X, Wang Z, Xu Q. Bifunctional nanoscale magnetic chains with high saturation magnetization and catalytic activity. J Colloid Interface Sci 2018; 525:152-160. [PMID: 29702321 DOI: 10.1016/j.jcis.2018.04.080] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/18/2018] [Accepted: 04/19/2018] [Indexed: 11/30/2022]
Abstract
The conventional stirring method cannot be employed for chip-on-lab reactions such as microfluidic and microdroplet reactions as well as nanoscale reactions. Therefore, it is necessary to design a nanoscale magnetic stirrer with a high magnetic response towards the external magnetic field. In this work, one dimentional core@shell structured Fe-Fe2O3@poly(cyclotriphosphazene-co-4,4'-sulfonyldiphenol) magnetic nanochains modified by nickel hydroxide (denoted as Fe-Fe2O3@PZS@Ni(OH)2 NCs) as nanoscale magnetic stirrer and recyclable self-mixing nanocatalysts are successfully prepared through three steps: synthesis of Fe-Fe2O3 nanochains (NCs) with high saturation magnetization, coating with poly (cyclotriphosphazene-co-4,4'-sulfonyldiphenol) (PZS), and nickel hydroxide's anchoring on the surface of Fe-Fe2O3@PZS NCs. The cross-linked polymer PZS is used to protect Fe-Fe2O3 NCs from chemical corrosion and as a platform for subsequent immobilization of nickel hydroxide. Characterization results show that the Fe-Fe2O3@PZS@Ni(OH)2 NCs own chainlike structure and high saturation magnetization of 103 emu g-1 at room temperature, exhibiting high magnetic response to the external rotating magnetic field. In the macro-reaction system for 4-nitrophenol (4-NP) reduction, the as-prepared Fe-Fe2O3@PZS@Ni(OH)2 NCs show an apparent rate constant of about 0.60 min-1. Furthermore, the Fe-Fe2O3@PZS@Ni(OH)2 catalyst is reused ten times while no obvious loss of catalytic activity was observed. In the micro-reaction system, the Fe-Fe2O3@PZS@Ni(OH)2 NCs also display good magnetic response and favorable catalytic activity for the hydrogenation of methylene blue. These results indicate that the bifunctional Fe-Fe2O3@PZS@Ni(OH)2 NCs with high saturation magnetization have great potential as excellent nanocatalysts and as promising nanoscale magnetic stirrers.
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Affiliation(s)
- Shaomin Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China
| | - Jianwei Fu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China.
| | - Kai Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China
| | - Meng Gao
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China
| | - Xuzhe Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China
| | - Zhiwei Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China
| | - Qun Xu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, PR China.
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41
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Wintzheimer S, Granath T, Oppmann M, Kister T, Thai T, Kraus T, Vogel N, Mandel K. Supraparticles: Functionality from Uniform Structural Motifs. ACS NANO 2018; 12:5093-5120. [PMID: 29763295 DOI: 10.1021/acsnano.8b00873] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Under the right process conditions, nanoparticles can cluster together to form defined, dispersed structures, which can be termed supraparticles. Controlling the size, shape, and morphology of such entities is a central step in various fields of science and technology, ranging from colloid chemistry and soft matter physics to powder technology and pharmaceutical and food sciences. These diverse scientific communities have been investigating formation processes and structure/property relations of such supraparticles under completely different boundary conditions. On the fundamental side, the field is driven by the desire to gain maximum control of the assembly structures using very defined and tailored colloidal building blocks, whereas more applied disciplines focus on optimizing the functional properties from rather ill-defined starting materials. With this review article, we aim to provide a connecting perspective by outlining fundamental principles that govern the formation and functionality of supraparticles. We discuss the formation of supraparticles as a result of colloidal properties interplaying with external process parameters. We then outline how the structure of the supraparticles gives rise to diverse functional properties. They can be a result of the structure itself (emergent properties), of the colocalization of different, functional building blocks, or of coupling between individual particles in close proximity. Taken together, we aim to establish structure-property and process-structure relationships that provide unifying guidelines for the rational design of functional supraparticles with optimized properties. Finally, we aspire to connect the different disciplines by providing a categorized overview of the existing, diverging nomenclature of seemingly similar supraparticle structures.
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Affiliation(s)
- Susanne Wintzheimer
- Fraunhofer Institute for Silicate Research, ISC , Neunerplatz 2 , 97082 Würzburg , Germany
| | - Tim Granath
- Chair of Chemical Technology of Materials Synthesis , University Würzburg , Röntgenring 11 , 97070 Würzburg , Germany
| | - Maximilian Oppmann
- Fraunhofer Institute for Silicate Research, ISC , Neunerplatz 2 , 97082 Würzburg , Germany
| | - Thomas Kister
- INM-Leibniz Institute for New Materials , Campus D2 2, 66123 Saarbrücken , Germany
| | - Thibaut Thai
- INM-Leibniz Institute for New Materials , Campus D2 2, 66123 Saarbrücken , Germany
| | - Tobias Kraus
- INM-Leibniz Institute for New Materials , Campus D2 2, 66123 Saarbrücken , Germany
- Colloid and Interface Chemistry , Saarland University , Campus D2 2, 66123 Saarbrücken , Germany
| | - Nicolas Vogel
- Institute of Particle Technology , Friedrich-Alexander Universität Erlangen-Nürnberg (FAU) , Haberstrasse 9A , 91058 Erlangen , Germany
| | - Karl Mandel
- Fraunhofer Institute for Silicate Research, ISC , Neunerplatz 2 , 97082 Würzburg , Germany
- Chair of Chemical Technology of Materials Synthesis , University Würzburg , Röntgenring 11 , 97070 Würzburg , Germany
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42
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Wan L, Song H, Chen X, Zhang Y, Yue Q, Pan P, Su J, Elzatahry AA, Deng Y. A Magnetic-Field Guided Interface Coassembly Approach to Magnetic Mesoporous Silica Nanochains for Osteoclast-Targeted Inhibition and Heterogeneous Nanocatalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1707515. [PMID: 29733478 DOI: 10.1002/adma.201707515] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 02/12/2018] [Indexed: 05/20/2023]
Abstract
1D core-shell magnetic materials with mesopores in shell are highly desired for biocatalysis, magnetic bioseparation, and bioenrichment and biosensing because of their unique microstructure and morphology. In this study, 1D magnetic mesoporous silica nanochains (Fe3 O4 @nSiO2 @mSiO2 nanochain, Magn-MSNCs named as FDUcs-17C) are facilely synthesized via a novel magnetic-field-guided interface coassembly approach in two steps. Fe3 O4 particles are coated with nonporous silica in a magnetic field to form 1D Fe3 O4 @nSiO2 nanochains. A further interface coassembly of cetyltrimethylammonium bromide and silica source in water/n-hexane biliquid system leads to 1D Magn-MSNCs with core-shell-shell structure, uniform diameter (≈310 nm), large and perpendicular mesopores (7.3 nm), high surface area (317 m2 g-1 ), and high magnetization (34.9 emu g-1 ). Under a rotating magnetic field, the nanochains with loaded zoledronate (a medication for treating bone diseases) in the mesopores, show an interesting suppression effect of osteoclasts differentiation, due to their 1D nanostructure that provides a shearing force in dynamic magnetic field to induce sufficient and effective reactions in cells. Moreover, by loading Au nanoparticles in the mesopores, the 1D Fe3 O4 @nSiO2 @mSiO2 -Au nanochains can service as a catalytically active magnetic nanostirrer for hydrogenation of 4-nitrophenol with high catalytic performance and good magnetic recyclability.
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Affiliation(s)
- Li Wan
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
| | - Hongyuan Song
- Department of Orthopaedics Trauma, Department of Ophthalmology, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Xiao Chen
- Department of Orthopaedics Trauma, Department of Ophthalmology, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Yu Zhang
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
| | - Qin Yue
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
| | - Panpan Pan
- Department of Orthopaedics Trauma, Department of Ophthalmology, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Jiacan Su
- Department of Orthopaedics Trauma, Department of Ophthalmology, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Ahmed A Elzatahry
- Materials Science and Technology Program, College of Arts and Sciences, Qatar University, Doha, 2713, Qatar
| | - Yonghui Deng
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
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43
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Zhou X, Chen C, Cao C, Song T, Yang H, Song W. Enhancing reaction rate in a Pickering emulsion system with natural magnetotactic bacteria as nanoscale magnetic stirring bars. Chem Sci 2018; 9:2575-2580. [PMID: 29719712 PMCID: PMC5897955 DOI: 10.1039/c7sc05164f] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 01/31/2018] [Indexed: 11/25/2022] Open
Abstract
Pickering emulsion is emerging as an advanced platform for catalysis because of the large oil/water interface area for reaction and its superior efficiency. How to enhance the mass transportation within the micro-droplets is the biggest obstacle in further improving the efficiency of the Pickering emulsion system. In this study, we propose and solve this problem for the first time using natural magnetotactic bacteria as nanoscale magnetic stirring bars, which can be encapsulated into each micro-droplet and used to stir the solution to accelerate the mass transportation under an external magnet, and thus significantly enhance the reaction rate of Pickering emulsion. Taking the epoxidation of cyclooctene in the Pickering emulsion system as a demonstration, the reaction rate was enhanced three times with nanoscale magnetic stirring bars compared to that of traditional Pickering emulsion, and was even thirty times higher than that of conventional stirrer-driven biphasic systems. We envision that this strategy will bring biphasic reactions with fundamental innovations toward more green, efficient and sustainable chemistry.
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Affiliation(s)
- Xin Zhou
- Beijing National Laboratory for Molecular Sciences , Laboratory of Molecular Nanostructures and Nanotechnology , CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry , Chinese Academy of Sciences , China . ;
- University of Chinese Academy of Sciences , Beijing100049 , China
| | - Changyou Chen
- Institute of Electrical Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Changyan Cao
- Beijing National Laboratory for Molecular Sciences , Laboratory of Molecular Nanostructures and Nanotechnology , CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry , Chinese Academy of Sciences , China . ;
- University of Chinese Academy of Sciences , Beijing100049 , China
| | - Tao Song
- Institute of Electrical Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Hengquan Yang
- School of Chemistry and Chemical Engineering , Shanxi University , Taiyuan 030006 , China
| | - Weiguo Song
- Beijing National Laboratory for Molecular Sciences , Laboratory of Molecular Nanostructures and Nanotechnology , CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry , Chinese Academy of Sciences , China . ;
- University of Chinese Academy of Sciences , Beijing100049 , China
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44
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Li C, Zhang S, Zhang B, Liu J, Zhang W, Solovev AA, Tang R, Bao F, Yu J, Zhang Q, Lifshitz Y, He L, Zhang X. Local-Curvature-Controlled Non-Epitaxial Growth of Hierarchical Nanostructures. Angew Chem Int Ed Engl 2018; 57:3772-3776. [DOI: 10.1002/anie.201713185] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 01/26/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Chaoran Li
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Shumin Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Bingchang Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Jingjing Liu
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Weihu Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Alexander A. Solovev
- Department of Materials Science; Fudan University; 220 Handan Road 200433 Shanghai PR China
| | - Rujun Tang
- Jiangsu Key Laboratory of Thin Films; College of Physics, Optoelectronics and Energy; Soochow University; Suzhou 215006 Jiangsu PR China
| | - Feng Bao
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Jia Yu
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Qiao Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Yeshayahu Lifshitz
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
- Department of Materials Science and Engineering; Technion-Israel Institute of Technology; Haifa 3200003 Israel
| | - Le He
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Xiaohong Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
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45
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Li C, Zhang S, Zhang B, Liu J, Zhang W, Solovev AA, Tang R, Bao F, Yu J, Zhang Q, Lifshitz Y, He L, Zhang X. Local-Curvature-Controlled Non-Epitaxial Growth of Hierarchical Nanostructures. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201713185] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Chaoran Li
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Shumin Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Bingchang Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Jingjing Liu
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Weihu Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Alexander A. Solovev
- Department of Materials Science; Fudan University; 220 Handan Road 200433 Shanghai PR China
| | - Rujun Tang
- Jiangsu Key Laboratory of Thin Films; College of Physics, Optoelectronics and Energy; Soochow University; Suzhou 215006 Jiangsu PR China
| | - Feng Bao
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Jia Yu
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Qiao Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Yeshayahu Lifshitz
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
- Department of Materials Science and Engineering; Technion-Israel Institute of Technology; Haifa 3200003 Israel
| | - Le He
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
| | - Xiaohong Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM); Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices; Soochow University; 199 Ren'ai Road Suzhou 215123 Jiangsu PR China
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46
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Yao Y, Rubino S, Gates BD, Scott RW, Hu Y. In situ X-ray absorption spectroscopic studies of magnetic Fe@FexOy/Pd nanoparticle catalysts for hydrogenation reactions. Catal Today 2017. [DOI: 10.1016/j.cattod.2017.02.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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47
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Cao M, Jin X, Peng Y, Yu C, Li K, Liu K, Jiang L. Unidirectional Wetting Properties on Multi-Bioinspired Magnetocontrollable Slippery Microcilia. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1606869. [PMID: 28401597 DOI: 10.1002/adma.201606869] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 03/09/2017] [Indexed: 05/27/2023]
Abstract
Here, a smart fluid-controlled surface is designed, via the rational integration of the unique properties of three natural examples, i.e., the unidirectional wetting behaviors of butterfly's wing, liquid-infused "slippery" surface of the pitcher plant, and the motile microcilia of micro-organisms. Anisotropic wettability, lubricated surfaces, and magnetoresponsive microstructures are assembled into one unified system. The as-prepared surface covered by tilted microcilia achieves significant unidirectional droplet adhesion and sliding. Regulating by external magnet field, the directionality of ferromagnetic microcilia can be synergistically switched, which facilitates a continuous and omnidirectional-controllable water delivery. This work opens an avenue for applications of anisotropic wetting surfaces, such as complex-flow distribution and liquid delivery, and extend the design approach of multi-bioinspiration integration.
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Affiliation(s)
- Moyuan Cao
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Xu Jin
- Research Institute of Petroleum Exploration and Development, PetroChina, Beijing, 100191, P. R. China
| | - Yun Peng
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
| | - Cunming Yu
- Technical Institute of Physics and Chemistry, Key Laboratory of Bio-Inspired Materials and Interfacial Science, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Kan Li
- Technical Institute of Physics and Chemistry, Key Laboratory of Bio-Inspired Materials and Interfacial Science, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Kesong Liu
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
| | - Lei Jiang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
- Technical Institute of Physics and Chemistry, Key Laboratory of Bio-Inspired Materials and Interfacial Science, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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48
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Sun Q, Yang L, Su L, Liu W, Wang Y, Yu S, Jiang C, Zhang Z. Colloidal quantum dot chains: self-assembly mechanism and ratiometric fluorescent sensing. RSC Adv 2017. [DOI: 10.1039/c7ra10259c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Colloidal quantum dot chains self-assembled via the mediation of trithiocyanuric acid (TTCA) and ratiometric fluorescent sensing with blue emitting carbon dots (CDs) for As(iii).
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Affiliation(s)
- Qin Sun
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
| | - Liang Yang
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
| | - Lei Su
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
| | - Weikang Liu
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
| | - Yifan Wang
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
| | - Shaoming Yu
- Department of Chemistry
- University of Science and Technology of China
- Hefei
- China
| | - Changlong Jiang
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
| | - Zhongping Zhang
- CAS Center for Excellence in Nanoscience
- Institute of Intelligent Machines
- Chinese Academy of Sciences
- Hefei
- China
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49
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Granath T, Sanchez-Sanchez A, Shmeliov A, Nicolosi V, Fierro V, Celzard A, Mandel K. Hollow Superparamagnetic Microballoons from Lifelike, Self-Directed Pickering Emulsions Based on Patchy Nanoparticles. ACS NANO 2016; 10:10347-10356. [PMID: 27783487 DOI: 10.1021/acsnano.6b06063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Herein, the formation of hollow microballoons derived from superparamagnetic iron oxide nanoparticles with silica patches is reported. Depending on the experimental conditions, single- or multishelled superparamagnetic microballoons as well as multivesicular structures were obtained. We show how such structural changes follow a lifelike process that is based on self-directing Pickering emulsions. We further demonstrate that the key toward the formation of such complex architectures is the patchy nature of the nanoparticles. Interestingly, no well-defined ordering of patches on the particles surface is required, unlike what theorists formerly predicted. The resultant hollow microballoons may be turned into hollow carbonaceous magnetic microspheres by simple pyrolysis. This opens the way to additional potential applications for such ultralightweight (density: 0.16 g·cm-3) materials.
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Affiliation(s)
- Tim Granath
- Fraunhofer Institute for Silicate Research ISC , Neunerplatz 2, 97082 Wuerzburg, Germany
- Department of Chemical Technology of Materials Synthesis, University of Wuerzburg , Roentgenring 11, 97070 Wuerzburg, Germany
| | - Angela Sanchez-Sanchez
- Institut Jean Lamour, UMR CNRS-Université de Lorraine n°7198, ENSTIB , 27 Rue Philippe Séguin, CS 60036, Epinal 88026 Cedex, France
| | - Aleksey Shmeliov
- Trinity College Dublin, School of Chemistry, School of Physics & CRANN , Dublin 2, Ireland
| | - Valeria Nicolosi
- Trinity College Dublin, School of Chemistry, School of Physics & CRANN , Dublin 2, Ireland
| | - Vanessa Fierro
- Institut Jean Lamour, UMR CNRS-Université de Lorraine n°7198, ENSTIB , 27 Rue Philippe Séguin, CS 60036, Epinal 88026 Cedex, France
| | - Alain Celzard
- Institut Jean Lamour, UMR CNRS-Université de Lorraine n°7198, ENSTIB , 27 Rue Philippe Séguin, CS 60036, Epinal 88026 Cedex, France
| | - Karl Mandel
- Fraunhofer Institute for Silicate Research ISC , Neunerplatz 2, 97082 Wuerzburg, Germany
- Department of Chemical Technology of Materials Synthesis, University of Wuerzburg , Roentgenring 11, 97070 Wuerzburg, Germany
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Duan S, Han G, Su Y, Zhang X, Liu Y, Wu X, Li B. Magnetic Co@g-C3N4 Core-Shells on rGO Sheets for Momentum Transfer with Catalytic Activity toward Continuous-Flow Hydrogen Generation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:6272-6281. [PMID: 27276187 DOI: 10.1021/acs.langmuir.6b01248] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Magnetic core-shell structures provide abundant opportunities for the construction of multifunctional composites. In this article, magnetic core-shells were fabricated with Co nanoparticles (NPs) as cores and g-C3N4 as shells. In the fabrication process, the Co@g-C3N4 core-shells were anchored onto the rGO nanosheets to form a Co@g-C3N4-rGO composite (CNG-I). For hydrogen generation from the hydrolysis of NaBH4 or NH3BH3, the Co NP cores act as catalytic active sites. The g-C3N4 shells protect Co NPs cores from aggregating or growing. The connection between Co NPs and rGO was strengthened by the g-C3N4 shells to prevent them from leaching or flowing away. The g-C3N4 shells also work as a cocatalyst for hydrogen generation. The magnetism of Co NPs and the shape of rGO nanosheets achieve effective momentum transfer in the external magnetic field. In the batch reactor, a higher catalytic activity was obtained for CNG-I in self-stirring mode than in magneton stirring mode. In the continuous-flow process, stable hydrogen generation was carried out with CNG-I being fixed and propelled by the external magnetic field. The separation film is unnecessary because of magnetic momentum transfer. This idea of the composite design and magnetic momentum transfer will be useful for the development of both hydrogen generation and multifunctional composite materials.
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Affiliation(s)
- Shasha Duan
- College of Chemistry and Molecular Engineering, Zhengzhou University , 100 Science Road, Zhengzhou 450001, PR China
| | - Guosheng Han
- College of Chemistry and Molecular Engineering, Zhengzhou University , 100 Science Road, Zhengzhou 450001, PR China
| | - Yongheng Su
- Henan Center for Disease Control and Prevention, 105 Nongyenan Road, Zhengzhou 450016, PR China
| | - Xiaoyu Zhang
- College of Chemistry and Molecular Engineering, Zhengzhou University , 100 Science Road, Zhengzhou 450001, PR China
| | - Yanyan Liu
- College of Chemistry and Molecular Engineering, Zhengzhou University , 100 Science Road, Zhengzhou 450001, PR China
| | - Xianli Wu
- College of Chemistry and Molecular Engineering, Zhengzhou University , 100 Science Road, Zhengzhou 450001, PR China
| | - Baojun Li
- College of Chemistry and Molecular Engineering, Zhengzhou University , 100 Science Road, Zhengzhou 450001, PR China
- Department of Chemistry, Tsinghua University , 1 Tsinghua Park, Beijing 100084, PR China
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