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Abstract
In conventional classification, soft robots feature mechanical compliance as the main distinguishing factor from traditional robots made of rigid materials. Recent advances in functional soft materials have facilitated the emergence of a new class of soft robots capable of tether-free actuation in response to external stimuli such as heat, light, solvent, or electric or magnetic field. Among the various types of stimuli-responsive materials, magnetic soft materials have shown remarkable progress in their design and fabrication, leading to the development of magnetic soft robots with unique advantages and potential for many important applications. However, the field of magnetic soft robots is still in its infancy and requires further advancements in terms of design principles, fabrication methods, control mechanisms, and sensing modalities. Successful future development of magnetic soft robots would require a comprehensive understanding of the fundamental principle of magnetic actuation, as well as the physical properties and behavior of magnetic soft materials. In this review, we discuss recent progress in the design and fabrication, modeling and simulation, and actuation and control of magnetic soft materials and robots. We then give a set of design guidelines for optimal actuation performance of magnetic soft materials. Lastly, we summarize potential biomedical applications of magnetic soft robots and provide our perspectives on next-generation magnetic soft robots.
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Affiliation(s)
- Yoonho Kim
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Xuanhe Zhao
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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2
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Li X, Yang X, Wang Z, Liu Y, Guo J, Zhu Y, Shao J, Li J, Wang L, Wang K. Antibacterial, antioxidant and biocompatible nanosized quercetin-PVA xerogel films for wound dressing. Colloids Surf B Biointerfaces 2021; 209:112175. [PMID: 34740095 DOI: 10.1016/j.colsurfb.2021.112175] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/16/2021] [Accepted: 10/19/2021] [Indexed: 01/09/2023]
Abstract
Topical use of antimicrobial agents to treat wounds to inhibit bacterial invasion and facilitate wound healing is an effective strategy. In this work, an antibacterial xerogel film for potential applications in wound dressings was developed. First, a natural antibacterial agent, quercetin (Qu), was made into water-soluble quercetin-borate (QuB) nanoparticles by merging a solvent exchange method with the borate esterification reaction. QuB nanoparticles were then employed as the cross-linking agent to achieve gelation of poly(vinyl alcohol) (PVA) to obtain antimicrobial QuB-PVA composite microgels. Furthermore, QuB-PVA microgels were utilized as raw materials to produce xerogel films via an electrospray technique. The as-prepared QuB-PVA xerogel films exhibited excellent bacteriostasis, antioxidation, biocompatibility, self-healing, accelerated skin regeneration and functional restoration, and promoted skin wound healing. The QuB-PVA films significantly facilitated the in vivo healing speed of full-thickness skin wounds compared to commercial dressings. We believe that the present multifunctional QuB-PVA xerogel film is an excellent candidate for the wound dressings.
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Affiliation(s)
- Xiaozhou Li
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xuxuan Yang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zicheng Wang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yanxiang Liu
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiaxiang Guo
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yu Zhu
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiaxing Shao
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiage Li
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lin Wang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Ke Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China.
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3
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Characterization of a Novel Nanocomposite Film Based on Functionalized Chitosan-Pt-Fe 3O 4 Hybrid Nanoparticles. NANOMATERIALS 2021; 11:nano11051275. [PMID: 34067953 PMCID: PMC8152257 DOI: 10.3390/nano11051275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 11/16/2022]
Abstract
The development of organic—inorganic hybrids or nanocomposite films is increasingly becoming attractive in light of their emerging applications. This research focuses on the formation of a unique nanocomposite film with enhanced elasticity suitable for many biomedical applications. The physical property measurement system and transmission electron microscopy were used to analyze Pt–Fe3O4 hybrid nanoparticles. These nanohybrids exhibited magnetic effects. They were further exploited to prepare the nanocomposite films in conjunction with a chitosan-g–glycolic acid organic fraction. The nanocomposite films were then examined using standard techniques: thermogravimetric analysis, X-ray diffraction, Fourier transform infrared spectroscopy, and atomic force microscopy. Tensile strength testing demonstrated a significantly greater elastic strength of these nanocomposite films than pure chitosan films. The water absorption behavior of the nanocomposites was evaluated by measuring swelling degree. These nanocomposites were observed to have substantially improved physical properties. Such novel nanocomposites can be extended to various biomedical applications, which include drug delivery and tissue engineering.
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4
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Wu S, Hu W, Ze Q, Sitti M, Zhao R. Multifunctional magnetic soft composites: a review. MULTIFUNCTIONAL MATERIALS 2020; 3:042003. [PMID: 33834121 PMCID: PMC7610551 DOI: 10.1088/2399-7532/abcb0c] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Magnetically responsive soft materials are soft composites where magnetic fillers are embedded into soft polymeric matrices. These active materials have attracted extensive research and industrial interest due to their ability to realize fast and programmable shape changes through remote and untethered control under the application of magnetic fields. They would have many high-impact potential applications in soft robotics/devices, metamaterials, and biomedical devices. With a broad range of functional magnetic fillers, polymeric matrices, and advanced fabrication techniques, the material properties can be programmed for integrated functions, including programmable shape morphing, dynamic shape deformation-based locomotion, object manipulation and assembly, remote heat generation, as well as reconfigurable electronics. In this review, an overview of state-of-the-art developments and future perspectives in the multifunctional magnetically responsive soft materials is presented.
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Affiliation(s)
- Shuai Wu
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH 43210, United States of America
| | - Wenqi Hu
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany
| | - Qiji Ze
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH 43210, United States of America
| | - Metin Sitti
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany
| | - Ruike Zhao
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH 43210, United States of America
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5
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Liao J, Huang H. Review on Magnetic Natural Polymer Constructed Hydrogels as Vehicles for Drug Delivery. Biomacromolecules 2020; 21:2574-2594. [DOI: 10.1021/acs.biomac.0c00566] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jing Liao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Huihua Huang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
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Nowak BP, Ravoo BJ. Magneto- and photo-responsive hydrogels from the co-assembly of peptides, cyclodextrins, and superparamagnetic nanoparticles. Faraday Discuss 2020; 219:220-228. [PMID: 31297494 DOI: 10.1039/c9fd00012g] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dual response to external non-invasive stimuli, such as light and magnetic field, is a highly desirable property in soft nanomaterials with potential applications in soft robotics, tissue engineering, and life-like materials. Within this class of materials, hydrogels obtained from the self-assembly of low molecular weight gelators (LMWGs) are of special interest due to their ease of preparation and modification. Herein, we report a modular co-assembly strategy for a magneto- and photo-responsive supramolecular hydrogel based on the arylazopyrazole (AAP) modified pentapeptide gelator Nap-GFFYS, and β-cyclodextrin vesicles (CDVs) with superparamagnetic cobalt ferrite nanoparticles embedded in their membranes. Upon application of a magnetic field, a reversible increase in the storage modulus is observed during rheological measurements. Additionally, a gel rod could be manipulated with a weak permanent magnet, resulting in macroscopic bending of the rod. Furthermore, through irradiation with UV and visible light, respectively, the host-guest interaction between the AAP moiety and the hydrophobic cavity of the β-CD can be deactivated on demand, thus lowering the stiffness of the hydrogel reversibly.
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Affiliation(s)
- Benedikt P Nowak
- Center for Soft Nanoscience and Organic Chemistry Institute, Westfälische Wilhelms Universität Münster, Busso Peus Straße 10, 48149 Münster, Germany.
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7
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Dzhardimalieva GI, Zharmagambetova AK, Kudaibergenov SE, Uflyand IE. Polymer-Immobilized Clusters and Metal Nanoparticles in Catalysis. KINETICS AND CATALYSIS 2020. [DOI: 10.1134/s0023158420020044] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Mosayebi J, Kiyasatfar M, Laurent S. Synthesis, Functionalization, and Design of Magnetic Nanoparticles for Theranostic Applications. Adv Healthc Mater 2017; 6. [PMID: 28990364 DOI: 10.1002/adhm.201700306] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 06/14/2017] [Indexed: 12/13/2022]
Abstract
In order to translate nanotechnology into medical practice, magnetic nanoparticles (MNPs) have been presented as a class of non-invasive nanomaterials for numerous biomedical applications. In particular, MNPs have opened a door for simultaneous diagnosis and brisk treatment of diseases in the form of theranostic agents. This review highlights the recent advances in preparation and utilization of MNPs from the synthesis and functionalization steps to the final design consideration in evading the body immune system for therapeutic and diagnostic applications with addressing the most recent examples of the literature in each section. This study provides a conceptual framework of a wide range of synthetic routes classified mainly as wet chemistry, state-of-the-art microfluidic reactors, and biogenic routes, along with the most popular coating materials to stabilize resultant MNPs. Additionally, key aspects of prolonging the half-life of MNPs via overcoming the sequential biological barriers are covered through unraveling the biophysical interactions at the bio-nano interface and giving a set of criteria to efficiently modulate MNPs' physicochemical properties. Furthermore, concepts of passive and active targeting for successful cell internalization, by respectively exploiting the unique properties of cancers and novel targeting ligands are described in detail. Finally, this study extensively covers the recent developments in magnetic drug targeting and hyperthermia as therapeutic applications of MNPs. In addition, multi-modal imaging via fusion of magnetic resonance imaging, and also innovative magnetic particle imaging with other imaging techniques for early diagnosis of diseases are extensively provided.
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Affiliation(s)
- Jalal Mosayebi
- Department of Mechanical Engineering; Urmia University; Urmia 5756151818 Iran
| | - Mehdi Kiyasatfar
- Department of Mechanical Engineering; Urmia University; Urmia 5756151818 Iran
| | - Sophie Laurent
- Laboratory of NMR and Molecular Imaging; University of Mons; Mons Belgium
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9
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Zhong Y, Yu L, Chen ZF, He H, Ye F, Cheng G, Zhang Q. Microwave-Assisted Synthesis of Fe 3O 4 Nanocrystals with Predominantly Exposed Facets and Their Heterogeneous UVA/Fenton Catalytic Activity. ACS APPLIED MATERIALS & INTERFACES 2017; 9:29203-29212. [PMID: 28758732 DOI: 10.1021/acsami.7b06925] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Fe3O4 nanocrystals with five different morphologies (i.e., nanospheres, nanorods, nanocubes, nano-octahedrons, and nanoplates) were acquired using a simple, efficient, and economic microwave-assisted oxidation technique. The microstructure, morphology, predominant exposed facets, and iron atom local environment of Fe3O4 were revealed by powder X-ray diffraction (PXRD), scanning transmission electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectrometer (XPS), and Mössbauer spectrum. We demonstrated that the heterogeneous UVA/Fenton catalytic activities of Fe3O4 nanocrystals are morphology/facets dependent. Under UVA irradiation, the catalytic activity of the as-prepared Fe3O4 was in the sequence of nanospheres > nanoplates > nano-octahedrons ≈ nanocubes > nanorods > nano-octahedrons (by coprecipitation). The dominating factor for the catalytic performance was the particle size and BET specific surface area; moreover, the exposed {111} facets, which contained more Fe2+ species, on the nanocrystal surface led to a stronger UVA/Fenton catalytic activity. Both •OH and O2•- radicals participated in the UVA/Fenton degradation process, and •OH played the dominant role. These morphology-controlled nanomagnetites showed great potential in applications as heterogeneous UVA/Fenton catalysts for effectively treating nonbiodegradable organic pollutants.
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Affiliation(s)
- Yuanhong Zhong
- School of Chemical Engineering and Light Industry, Guangdong University of Technology , Guangzhou 510006, China
| | - Lin Yu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology , Guangzhou 510006, China
| | - Zhi-Feng Chen
- Institute of Environmental Health and Pollution Control, School of Environmental Science and Engineering, Guangdong University of Technology , Guangzhou 510006, China
| | - Hongping He
- CAS Key Laboratory of Mineralogy and Metallogeny, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences , Guangzhou 510640, China
| | - Fei Ye
- School of Chemical Engineering and Light Industry, Guangdong University of Technology , Guangzhou 510006, China
| | - Gao Cheng
- School of Chemical Engineering and Light Industry, Guangdong University of Technology , Guangzhou 510006, China
| | - Qianxin Zhang
- Institute of Environmental Health and Pollution Control, School of Environmental Science and Engineering, Guangdong University of Technology , Guangzhou 510006, China
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10
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Vicini S, Castellano M, Faria Soares Lima MC, Licinio P, Goulart Silva G. Polyacrylamide hydrogels for stone restoration: Effect of salt solutions on swelling/deswelling degree and dynamic correlation length. J Appl Polym Sci 2017. [DOI: 10.1002/app.44726] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Silvia Vicini
- Department of Chemistry and Industrial Chemistry; University of Genova; Via Dodecaneso 31 Genova 16146 Italy
| | - Maila Castellano
- Department of Chemistry and Industrial Chemistry; University of Genova; Via Dodecaneso 31 Genova 16146 Italy
| | - Meiriane C. Faria Soares Lima
- Department of Chemistry; Federal University of Minas Gerais; Av. Antônio Carlos Belo Horizonte MG 6627 - 31270-901 Brazil
| | - Pedro Licinio
- Department of Physics; Federal University of Minas Gerais; Av. Antônio Carlos Belo Horizonte MG 6627 - 31270-901 Brazil
| | - Glaura Goulart Silva
- Department of Physics; Federal University of Minas Gerais; Av. Antônio Carlos Belo Horizonte MG 6627 - 31270-901 Brazil
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11
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Affiliation(s)
- Yuqi Zhang
- Joint
Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Center
for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics,
UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department
of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Jicheng Yu
- Joint
Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Center
for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics,
UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Hunter N. Bomba
- Joint
Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Yong Zhu
- Joint
Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department
of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Zhen Gu
- Joint
Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Center
for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics,
UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department
of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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12
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Chen L, Liu X, Wong KH. Novel nanoparticle materials for drug/food delivery-polysaccharides. PHYSICAL SCIENCES REVIEWS 2016. [DOI: 10.1515/psr-2016-0053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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13
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Hauser AK, Wydra RJ, Stocke NA, Anderson KW, Hilt JZ. Magnetic nanoparticles and nanocomposites for remote controlled therapies. J Control Release 2015; 219:76-94. [PMID: 26407670 PMCID: PMC4669063 DOI: 10.1016/j.jconrel.2015.09.039] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 09/19/2015] [Indexed: 12/17/2022]
Abstract
This review highlights the state-of-the-art in the application of magnetic nanoparticles (MNPs) and their composites for remote controlled therapies. Novel macro- to nano-scale systems that utilize remote controlled drug release due to actuation of MNPs by static or alternating magnetic fields and magnetic field guidance of MNPs for drug delivery applications are summarized. Recent advances in controlled energy release for thermal therapy and nanoscale energy therapy are addressed as well. Additionally, studies that utilize MNP-based thermal therapy in combination with other treatments such as chemotherapy or radiation to enhance the efficacy of the conventional treatment are discussed.
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Affiliation(s)
- Anastasia K Hauser
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - Robert J Wydra
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - Nathanael A Stocke
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - Kimberly W Anderson
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - J Zach Hilt
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA.
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14
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Ramimoghadam D, Bagheri S, Abd Hamid SB. Stable monodisperse nanomagnetic colloidal suspensions: An overview. Colloids Surf B Biointerfaces 2015; 133:388-411. [PMID: 26073507 DOI: 10.1016/j.colsurfb.2015.02.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Revised: 01/19/2015] [Accepted: 02/01/2015] [Indexed: 12/29/2022]
Abstract
Magnetic iron oxide nanoparticles (MNPs) have emerged as highly desirable nanomaterials in the context of many research works, due to their extensive industrial applications. However, they are prone to agglomerate on account of the anisotropic dipolar attraction, and therefore misled the particular properties related to single-domain magnetic nanostructures. The surface modification of MNPs is quite challenging for many applications, as it involves surfactant-coating for steric stability, or surface modifications that results in repulsive electrostatic force. Hereby, we focus on the dispersion of MNPs and colloidal stability.
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Affiliation(s)
- Donya Ramimoghadam
- Nanotechnology & Catalysis Research Centre (NANOCAT), IPS Building, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Samira Bagheri
- Nanotechnology & Catalysis Research Centre (NANOCAT), IPS Building, University of Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Sharifah Bee Abd Hamid
- Nanotechnology & Catalysis Research Centre (NANOCAT), IPS Building, University of Malaya, 50603 Kuala Lumpur, Malaysia
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15
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Kumar D, Singh H, Jouen S, Hannoyer B, Banerjee S. Effect of precursor on the formation of different phases of iron oxide nanoparticles. RSC Adv 2015. [DOI: 10.1039/c4ra10241j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Trioctylamine is known to act simultaneously as a reducing as well as a hydrolyzing agent.
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Affiliation(s)
- Deepak Kumar
- Department of Applied Chemistry
- Defence Institute of Advanced Technology, (DU)
- Pune-411025
- India
| | - Hema Singh
- Department of Applied Chemistry
- Defence Institute of Advanced Technology, (DU)
- Pune-411025
- India
| | - Samuel Jouen
- Groupe de Physique des Matériaux
- Universitéde Rouen
- UMR 6634 CNRS
- St Etienne du Rouvray Cedex
- France
| | - Beatrice Hannoyer
- Groupe de Physique des Matériaux
- Universitéde Rouen
- UMR 6634 CNRS
- St Etienne du Rouvray Cedex
- France
| | - Shaibal Banerjee
- Department of Applied Chemistry
- Defence Institute of Advanced Technology, (DU)
- Pune-411025
- India
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16
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Arana M, Tettamanti CS, Bercoff PG, Rodríguez MC. Magnetite NPs@C with Highly-Efficient Peroxidase-Like Catalytic Activity as an Improved Biosensing Strategy for Selective Glucose Detection. ELECTROANAL 2014. [DOI: 10.1002/elan.201400159] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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17
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Mohamed M, El-Maghraby A, Abd EL-Latif M, Farag H, Kalaitzidou K. Fe-Ni alloy/polyamide 6 nanocomposites: effect of nanocrystalline metal particles on the mechanical and physical properties of the polymer. JOURNAL OF POLYMER RESEARCH 2013. [DOI: 10.1007/s10965-013-0137-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Luna-Martínez JF, Reyes-Melo E, González-González V, Guerrero-Salazar C, Torres-Castro A, Sepúlveda-Guzmán S. Synthesis and characterization of a magnetic hybrid material consisting of iron oxide in a carboxymethyl cellulose matrix. J Appl Polym Sci 2012. [DOI: 10.1002/app.37892] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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19
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Evans EE, Fiser BL, Prins WJ, Rapp DJ, Shields AR, Glass DR, Superfine R. A Highly Tunable Silicone-Based Magnetic Elastomer with Nanoscale Homogeneity. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 2012; 324:501-507. [PMID: 22184482 PMCID: PMC3241051 DOI: 10.1016/j.jmmm.2011.08.045] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Magnetic elastomers have been widely pursued for sensing and actuation applications. Silicone-based magnetic elastomers have a number of advantages over other materials such as hydrogels, but aggregation of magnetic nanoparticles within silicones is difficult to prevent. Aggregation inherently limits the minimum size of fabricated structures and leads to non-uniform response from structure to structure. We have developed a novel material which is a complex of a silicone polymer (polydimethylsiloxane-co-aminopropylmethylsiloxane) adsorbed onto the surface of magnetite (γ-Fe203) nanoparticles 7-10 nm in diameter. The material is homogenous at very small length scales (< 100 nm) and can be crosslinked to form a flexible, magnetic material which is ideally suited for the fabrication of micro- to nanoscale magnetic actuators. The loading fraction of magnetic nanoparticles in the composite can be varied smoothly from 0 - 50% wt. without loss of homogeneity, providing a simple mechanism for tuning actuator response. We evaluate the material properties of the composite across a range of nanoparticle loading, and demonstrate a magnetic-field-induced increase in compressive modulus as high as 300%. Furthermore, we implement a strategy for predicting the optimal nanoparticle loading for magnetic actuation applications, and show that our predictions correlate well with experimental findings.
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Affiliation(s)
- Emily E. Evans
- Department of Physics, Elon University, Elon, NC 27244
(USA)
| | - Briana L. Fiser
- Department of Physics and Astronomy, University of North
Carolina at Chapel Hill, Chapel Hill, NC 27599 (USA)
| | - Willem J. Prins
- Department of Physics, Elon University, Elon, NC 27244
(USA)
| | - Daniel J. Rapp
- Department of Physics, Elon University, Elon, NC 27244
(USA)
| | - Adam R. Shields
- Center for Bio/Molecular Science and Engineering, US Naval
Research Laboratory, SW Washington, DC, 20375 (USA)
| | - Daniel R. Glass
- Department of Physics, Elon University, Elon, NC 27244
(USA)
| | - R. Superfine
- Department of Physics and Astronomy, University of North
Carolina at Chapel Hill, Chapel Hill, NC 27599 (USA)
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20
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Blanco-Andujar C, Ortega D, Pankhurst QA, Thanh NTK. Elucidating the morphological and structural evolution of iron oxide nanoparticles formed by sodium carbonate in aqueous medium. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm31295f] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Hsu L, Weder C, Rowan SJ. Stimuli-responsive, mechanically-adaptive polymer nanocomposites. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm02383c] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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22
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Timko BP, Dvir T, Kohane DS. Remotely triggerable drug delivery systems. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2010; 22:4925-43. [PMID: 20818618 DOI: 10.1002/adma.201002072] [Citation(s) in RCA: 428] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Triggerable drug delivery systems enable on-demand controlled release profiles that may enhance therapeutic effectiveness and reduce systemic toxicity. Recently, a number of new materials have been developed that exhibit sensitivity to visible light, near-infrared (NIR) light, ultrasound, or magnetic fields. This responsiveness can be triggered remotely to provide flexible control of dose magnitude and timing. Here we review triggerable materials that range in scale from nano to macro, and are activated by a range of stimuli.
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Affiliation(s)
- Brian P Timko
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Children's Hospital Boston, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
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Bertoglio P, Jacobo SE, Daraio ME. Preparation and characterization of PVA films with magnetic nanoparticles: The effect of particle loading on drug release behavior. J Appl Polym Sci 2010. [DOI: 10.1002/app.31315] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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24
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Tzitzios V, Basina G, Bakandritsos A, Hadjipanayis CG, Mao H, Niarchos D, Hadjipanayis GC, Tucek J, Zboril R. Immobilization of magnetic iron oxide nanoparticles on laponite discs - an easy way to biocompatible ferrofluids and ferrogels. ACTA ACUST UNITED AC 2010; 20:5418-5428. [PMID: 20582149 DOI: 10.1039/c0jm00061b] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Magnetic nanocomposites containing iron oxide (maghemite) nanoparticles, well embedded in a synthetic clay matrix (laponite) were prepared by a new one step chemical route and characterized by TEM, XRD, magnetization measurements, Mössbauer spectroscopy, DLS, and MRI measurements. The synthetic procedure leads to non-stoichiometric γ-Fe(2)O(3) with a controllable content in the nanocomposite. Magnetic nanoparticles incorporated in the diamagnetic clay matrix exhibit a mean diameter of 13 nm, superparamagnetic behavior with a high saturation magnetization achievable at low applied magnetic fields. In-field Mössbauer spectra and ZFC/FC magnetization curves reveal a perfect ferrimagnetic ordering within nanoparticles with negligible spin frustration and interparticle interactions due to the complete coating of maghemite surfaces by the nanocrystalline laponite matrix. Magnetic iron oxide nanoparticles embedded in laponite matrix exhibit strong T(2) weighted MRI contrast. The maghemite/laponite composite particles have 200 nm hydrodynamic diameter and form very stable hydrosols and/or hydrogels depending on their concentration in water.
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Affiliation(s)
- Vassilios Tzitzios
- Institute of Materials Science, N.C.S.R. "Demokritos" Agia Paraskevi 15310 Athens, Greece. Materials Science Department, School of Natural Sciences, University of Patras, Rio 26504, Patras, Greece. Departments of Experimental Physics and Physical Chemistry, Faculty of Science, Palacky University in Olomouc, Svobody 26, 771 46, Olomouc, Czech Republic. Centre for Nanomaterial Research, Faculty of Science, Palacky University in Olomouc, Svobody 26, 771 46, Olomouc, Czech Republic. Department of Physics & Astronomy, University of Delaware, Newark, DE 19716 USA Department of Neurological Surgery Winship Cancer Institute Emory University School of Medicine Atlanta, GA 30322, USA Department of Radiology Emory University School of Medicine Atlanta, GA 30322, USA
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Manna U, Patil S. Borax Mediated Layer-by-Layer Self-Assembly of Neutral Poly(vinyl alcohol) and Chitosan. J Phys Chem B 2009; 113:9137-42. [DOI: 10.1021/jp9025333] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Uttam Manna
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore-560012, India
| | - Satish Patil
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore-560012, India
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26
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Preparation and characterization of scleroglucan drug delivery films: The effect of freeze-thaw cycling. J Appl Polym Sci 2009. [DOI: 10.1002/app.29651] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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27
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Drug releasing behavior of hybrid micelles containing polypeptide triblock copolymer. Biomaterials 2009; 30:108-17. [DOI: 10.1016/j.biomaterials.2008.09.010] [Citation(s) in RCA: 142] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2008] [Accepted: 09/14/2008] [Indexed: 11/22/2022]
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28
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Bonini M, Lenz S, Falletta E, Ridi F, Carretti E, Fratini E, Wiedenmann A, Baglioni P. Acrylamide-based magnetic nanosponges: a new smart nanocomposite material. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:12644-12650. [PMID: 18844385 DOI: 10.1021/la802425k] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Nanocomposite materials consisting of CoFe2O4 magnetic nanoparticles and a polyethylene glycol-acrylamide gel matrix have been synthesized. The structure of such materials was studied by means of small-angle scattering of X-rays and polarized neutrons, showing that the CoFe2O4 nanoparticles were successfully and homogeneously embedded in the gel structure. Magnetic, viscoelastic, and water retention properties of the nanocomposite gel confirm that the properties of both nanoparticles and gel are combined in the resulting nanomagnetic gel. Scanning electron microscopy highlights the nanocomposite nature of the material, showing the presence of a gel structure with different pore size distributions (pores with micron and nano-size distributions) that can be used as active sponge-like nanomagnetic container for water-based formulations as oil-in-water microemulsions.
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Affiliation(s)
- Massimo Bonini
- Department of Chemistry and CSGI, University of Florence, via della Lastruccia 3-50019 Sesto Fiorentino, Florence, Italy
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Daniel-da-Silva AL, Lóio R, Lopes-da-Silva JA, Trindade T, Goodfellow BJ, Gil AM. Effects of magnetite nanoparticles on the thermorheological properties of carrageenan hydrogels. J Colloid Interface Sci 2008; 324:205-11. [DOI: 10.1016/j.jcis.2008.04.051] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2008] [Revised: 04/23/2008] [Accepted: 04/23/2008] [Indexed: 10/22/2022]
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30
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Ma D, Zhang LM. Fabrication and Modulation of Magnetically Supramolecular Hydrogels. J Phys Chem B 2008; 112:6315-21. [DOI: 10.1021/jp7115627] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dong Ma
- Laboratory for Polymer Composite and Functional Materials, Institute of Optoelectronic and Functional Composite Materials, School of Chemistry and Chemical Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou 510275, China
| | - Li-Ming Zhang
- Laboratory for Polymer Composite and Functional Materials, Institute of Optoelectronic and Functional Composite Materials, School of Chemistry and Chemical Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou 510275, China
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