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Hamad MS, Morciano M, Fasano M. Rocket Dynamics of Capped Nanotubes: A Molecular Dynamics Study. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1134. [PMID: 38998739 PMCID: PMC11243346 DOI: 10.3390/nano14131134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/14/2024]
Abstract
The study of nanoparticle motion has fundamental relevance in a wide range of nanotechnology-based fields. Molecular dynamics simulations offer a powerful tool to elucidate the dynamics of complex systems and derive theoretical models that facilitate the invention and optimization of novel devices. This research contributes to this ongoing effort by investigating the motion of one-end capped carbon nanotubes within an aqueous environment through extensive molecular dynamics simulations. By exposing the carbon nanotubes to localized heating, propelled motion with velocities reaching up to ≈0.08 nm ps-1 was observed. Through systematic exploration of various parameters such as temperature, nanotube diameter, and size, we were able to elucidate the underlying mechanisms driving propulsion. Our findings demonstrate that the propulsive motion predominantly arises from a rocket-like mechanism facilitated by the progressive evaporation of water molecules entrapped within the carbon nanotube. Therefore, this study focuses on the complex interplay between nanoscale geometry, environmental conditions, and propulsion mechanisms in capped nanotubes, providing relevant insights into the design and optimization of nanoscale propulsion systems with various applications in nanotechnology and beyond.
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Affiliation(s)
- Mustafa S Hamad
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Matteo Morciano
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Matteo Fasano
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
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2
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Qin L, Yang S, Zhao C, Yang J, Li F, Xu Z, Yang Y, Zhou H, Li K, Xiong C, Huang W, Hu N, Hu X. Prospects and challenges for the application of tissue engineering technologies in the treatment of bone infections. Bone Res 2024; 12:28. [PMID: 38744863 PMCID: PMC11094017 DOI: 10.1038/s41413-024-00332-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/08/2024] [Accepted: 04/01/2024] [Indexed: 05/16/2024] Open
Abstract
Osteomyelitis is a devastating disease caused by microbial infection in deep bone tissue. Its high recurrence rate and impaired restoration of bone deficiencies are major challenges in treatment. Microbes have evolved numerous mechanisms to effectively evade host intrinsic and adaptive immune attacks to persistently localize in the host, such as drug-resistant bacteria, biofilms, persister cells, intracellular bacteria, and small colony variants (SCVs). Moreover, microbial-mediated dysregulation of the bone immune microenvironment impedes the bone regeneration process, leading to impaired bone defect repair. Despite advances in surgical strategies and drug applications for the treatment of bone infections within the last decade, challenges remain in clinical management. The development and application of tissue engineering materials have provided new strategies for the treatment of bone infections, but a comprehensive review of their research progress is lacking. This review discusses the critical pathogenic mechanisms of microbes in the skeletal system and their immunomodulatory effects on bone regeneration, and highlights the prospects and challenges for the application of tissue engineering technologies in the treatment of bone infections. It will inform the development and translation of antimicrobial and bone repair tissue engineering materials for the management of bone infections.
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Affiliation(s)
- Leilei Qin
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Shuhao Yang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Chen Zhao
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Jianye Yang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Feilong Li
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Zhenghao Xu
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Yaji Yang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Haotian Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Kainan Li
- Clinical Medical College and Affiliated Hospital of Chengdu University, Chengdu University, Chengdu, Sichuan, 610081, China
| | - Chengdong Xiong
- University of Chinese Academy of Sciences, Bei Jing, 101408, China
| | - Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Ning Hu
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400016, China.
| | - Xulin Hu
- Clinical Medical College and Affiliated Hospital of Chengdu University, Chengdu University, Chengdu, Sichuan, 610081, China.
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
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3
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Hao L, Mao H. Magnetically anisotropic hydrogels for tissue engineering. Biomater Sci 2023; 11:6384-6402. [PMID: 37552036 DOI: 10.1039/d3bm00744h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Many soft tissues of the human body possess hierarchically anisotropic structures, exhibiting orientation-specific mechanical properties and biological functionality. Hydrogels have been proposed as promising scaffold materials for tissue engineering applications due to their water-rich composition, excellent biocompatibility, and tunable physico-chemical properties. However, conventional hydrogels with homogeneous structures often exhibit isotropic properties that differ from those of biological tissues, limiting their further application. Recently, magnetically anisotropic hydrogels containing long-range ordered magneto-structures have attracted widespread interest owing to their highly controllable assembly strategy, rapid magnetic responsiveness and remote spatiotemporal regulation. In this review, we summarize the latest progress of magnetically anisotropic hydrogels for tissue engineering. The fabrication strategy of magnetically anisotropic hydrogels from magnetic nanofillers with different dimensions is systemically introduced. Then, the effects of magnetically anisotropic cues on the physicochemical properties of hydrogels and the cellular biological behavior are discussed. And the applications of magnetically anisotropic hydrogels in the engineering of different tissues are emphasized. Finally, the current challenges and the future perspectives for magnetically anisotropic hydrogels are presented.
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Affiliation(s)
- Lili Hao
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Hongli Mao
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
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4
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El-Husseiny HM, Mady EA, El-Dakroury WA, Doghish AS, Tanaka R. Stimuli-responsive hydrogels: smart state of-the-art platforms for cardiac tissue engineering. Front Bioeng Biotechnol 2023; 11:1174075. [PMID: 37449088 PMCID: PMC10337592 DOI: 10.3389/fbioe.2023.1174075] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 06/15/2023] [Indexed: 07/18/2023] Open
Abstract
Biomedicine and tissue regeneration have made significant advancements recently, positively affecting the whole healthcare spectrum. This opened the way for them to develop their applications for revitalizing damaged tissues. Thus, their functionality will be restored. Cardiac tissue engineering (CTE) using curative procedures that combine biomolecules, biomimetic scaffolds, and cells plays a critical part in this path. Stimuli-responsive hydrogels (SRHs) are excellent three-dimensional (3D) biomaterials for tissue engineering (TE) and various biomedical applications. They can mimic the intrinsic tissues' physicochemical, mechanical, and biological characteristics in a variety of ways. They also provide for 3D setup, adequate aqueous conditions, and the mechanical consistency required for cell development. Furthermore, they function as competent delivery platforms for various biomolecules. Many natural and synthetic polymers were used to fabricate these intelligent platforms with innovative enhanced features and specialized capabilities that are appropriate for CTE applications. In the present review, different strategies employed for CTE were outlined. The light was shed on the limitations of the use of conventional hydrogels in CTE. Moreover, diverse types of SRHs, their characteristics, assembly and exploitation for CTE were discussed. To summarize, recent development in the construction of SRHs increases their potential to operate as intelligent, sophisticated systems in the reconstruction of degenerated cardiac tissues.
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Affiliation(s)
- Hussein M. El-Husseiny
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Japan
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
| | - Eman A. Mady
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Japan
- Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
| | - Walaa A. El-Dakroury
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr, Egypt
| | - Ahmed S. Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr, Egypt
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo, Egypt
| | - Ryou Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Japan
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5
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Gamboa J, Paulo-Mirasol S, Estrany F, Torras J. Recent Progress in Biomedical Sensors Based on Conducting Polymer Hydrogels. ACS APPLIED BIO MATERIALS 2023; 6:1720-1741. [PMID: 37115912 DOI: 10.1021/acsabm.3c00139] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Biosensors are increasingly taking a more active role in health science. The current needs for the constant monitoring of biomedical signals, as well as the growing spending on public health, make it necessary to search for materials with a combination of properties such as biocompatibility, electroactivity, resorption, and high selectivity to certain bioanalytes. Conducting polymer hydrogels seem to be a very promising materials, since they present many of the necessary properties to be used as biosensors. Furthermore, their properties can be shaped and enhanced by designing conductive polymer hydrogel-based composites with more specific functionalities depending on the end application. This work will review the recent state of the art of different biological hydrogels for biosensor applications, discuss the properties of the different components alone and in combination, and reveal their high potential as candidate materials in the fabrication of all-organic diagnostic, wearable, and implantable sensor devices.
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Affiliation(s)
- Jillian Gamboa
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Sofia Paulo-Mirasol
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Francesc Estrany
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Juan Torras
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
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6
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Basu A, Okello LB, Castellanos N, Roh S, Velev OD. Assembly and manipulation of responsive and flexible colloidal structures by magnetic and capillary interactions. SOFT MATTER 2023; 19:2466-2485. [PMID: 36946137 DOI: 10.1039/d3sm00090g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The long-ranged interactions induced by magnetic fields and capillary forces in multiphasic fluid-particle systems facilitate the assembly of a rich variety of colloidal structures and materials. We review here the diverse structures assembled from isotropic and anisotropic particles by independently or jointly using magnetic and capillary interactions. The use of magnetic fields is one of the most efficient means of assembling and manipulating paramagnetic particles. By tuning the field strength and configuration or by changing the particle characteristics, the magnetic interactions, dynamics, and responsiveness of the assemblies can be precisely controlled. Concurrently, the capillary forces originating at the fluid-fluid interfaces can serve as means of reconfigurable binding in soft matter systems, such as Pickering emulsions, novel responsive capillary gels, and composites for 3D printing. We further discuss how magnetic forces can be used as an auxiliary parameter along with the capillary forces to assemble particles at fluid interfaces or in the bulk. Finally, we present examples how these interactions can be used jointly in magnetically responsive foams, gels, and pastes for 3D printing. The multiphasic particle gels for 3D printing open new opportunities for making of magnetically reconfigurable and "active" structures.
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Affiliation(s)
- Abhirup Basu
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
| | - Lilian B Okello
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
| | - Natasha Castellanos
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
| | - Sangchul Roh
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
| | - Orlin D Velev
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
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7
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Nanogels for the solubility enhancement of water-insoluble drugs. Nanomedicine (Lond) 2023. [DOI: 10.1016/b978-0-12-818627-5.00022-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023] Open
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8
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Tuning Peptide-Based Hydrogels: Co-Assembly with Composites Driving the Highway to Technological Applications. Int J Mol Sci 2022; 24:ijms24010186. [PMID: 36613630 PMCID: PMC9820439 DOI: 10.3390/ijms24010186] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
Self-assembled peptide-based gels provide several advantages for technological applications. Recently, the co-assembly of gelators has been a strategy to modulate and tune gel properties and even implement stimuli-responsiveness. However, it still comprises limitations regarding the required library of compounds and outcoming properties. Hence, efforts have been made to combine peptide-based gels and (in)organic composites (e.g., magnetic nanoparticles, metal nanoparticles, liposomes, graphene, silica, clay, titanium dioxide, cadmium sulfide) to endow stimuli-responsive materials and achieve suitable properties in several fields ranging from optoelectronics to biomedical. Herein, we discuss the recent developments with composite peptide-based gels including the fabrication, tunability of gels' properties, and challenges on (bio)technological applications.
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9
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Wychowaniec JK, Brougham DF. Emerging Magnetic Fabrication Technologies Provide Controllable Hierarchically-Structured Biomaterials and Stimulus Response for Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202278. [PMID: 36228106 PMCID: PMC9731717 DOI: 10.1002/advs.202202278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Multifunctional nanocomposites which exhibit well-defined physical properties and encode spatiotemporally-controlled responses are emerging as components for advanced responsive systems. For biomedical applications magnetic nanocomposite materials have attracted significant attention due to their ability to respond to spatially and temporally varying magnetic fields. The current state-of-the-art in development and fabrication of magnetic hydrogels toward biomedical applications is described. There is accelerating progress in the field due to advances in manufacturing capabilities. Three categories can be identified: i) Magnetic hydrogelation, DC magnetic fields are used during solidification/gelation for aligning particles; ii) additive manufacturing of magnetic materials, 3D printing technologies are used to develop spatially-encoded magnetic properties, and more recently; iii) magnetic additive manufacturing, magnetic responses are applied during the printing process to develop increasingly complex structural arrangement that may recapitulate anisotropic tissue structure and function. The magnetic responsiveness of conventionally and additively manufactured magnetic hydrogels are described along with recent advances in soft magnetic robotics, and the categorization is related to final architecture and emergent properties. Future challenges and opportunities, including the anticipated role of combinatorial approaches in developing 4D-responsive functional materials for tackling long-standing problems in biomedicine including production of 3D-specified responsive cell scaffolds are discussed.
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Affiliation(s)
- Jacek K. Wychowaniec
- School of ChemistryUniversity College DublinBelfieldDublin 4Ireland
- AO Research Institute DavosClavadelerstrasse 8Davos7270Switzerland
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10
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Self-assembly in magnetic supramolecular hydrogels. Curr Opin Colloid Interface Sci 2022. [DOI: 10.1016/j.cocis.2022.101644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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A dual-responsive polydopamine modified hydroxybutyl chitosan hydrogel for sequential regulation of bone regeneration. Carbohydr Polym 2022; 297:120027. [DOI: 10.1016/j.carbpol.2022.120027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022]
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12
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Jiang B, Chang X, Yan G, Wang J, Cui L, Zhu B, Tang X, Meng F. Liquid-crystalline behavior and magnetorheological effect of PVC-based ionic polymers with tetrachloroferrate anions. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Hong Y, Lin Z, Yang Y, Jiang T, Shang J, Luo Z. Biocompatible Conductive Hydrogels: Applications in the Field of Biomedicine. Int J Mol Sci 2022; 23:ijms23094578. [PMID: 35562969 PMCID: PMC9104506 DOI: 10.3390/ijms23094578] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 02/04/2023] Open
Abstract
The impact of COVID-19 has rendered medical technology an important factor to maintain social stability and economic increase, where biomedicine has experienced rapid development and played a crucial part in fighting off the pandemic. Conductive hydrogels (CHs) are three-dimensional (3D) structured gels with excellent electrical conductivity and biocompatibility, which are very suitable for biomedical applications. CHs can mimic innate tissue's physical, chemical, and biological properties, which allows them to provide environmental conditions and structural stability for cell growth and serve as efficient delivery substrates for bioactive molecules. The customizability of CHs also allows additional functionality to be designed for different requirements in biomedical applications. This review introduces the basic functional characteristics and materials for preparing CHs and elaborates on their synthetic techniques. The development and applications of CHs in the field of biomedicine are highlighted, including regenerative medicine, artificial organs, biosensors, drug delivery systems, and some other application scenarios. Finally, this review discusses the future applications of CHs in the field of biomedicine. In summary, the current design and development of CHs extend their prospects for functioning as an intelligent and complex system in diverse biomedical applications.
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14
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Hasanzadeh A, Noori H, Jahandideh A, Haeri Moghaddam N, Kamrani Mousavi SM, Nourizadeh H, Saeedi S, Karimi M, Hamblin MR. Smart Strategies for Precise Delivery of CRISPR/Cas9 in Genome Editing. ACS APPLIED BIO MATERIALS 2022; 5:413-437. [PMID: 35040621 DOI: 10.1021/acsabm.1c01112] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The emergence of CRISPR/Cas technology has enabled scientists to precisely edit genomic DNA sequences. This approach can be used to modulate gene expression for the treatment of genetic disorders and incurable diseases such as cancer. This potent genome-editing tool is based on a single guide RNA (sgRNA) strand that recognizes the targeted DNA, plus a Cas nuclease protein for binding and processing the target. CRISPR/Cas has great potential for editing many genes in different types of cells and organisms both in vitro and in vivo. Despite these remarkable advances, the risk of off-target effects has hindered the translation of CRISPR/Cas technology into clinical applications. To overcome this hurdle, researchers have devised gene regulatory systems that can be controlled in a spatiotemporal manner, by designing special sgRNA, Cas, and CRISPR/Cas delivery vehicles that are responsive to different stimuli, such as temperature, light, magnetic fields, ultrasound (US), pH, redox, and enzymatic activity. These systems can even respond to dual or multiple stimuli simultaneously, thereby providing superior spatial and temporal control over CRISPR/Cas gene editing. Herein, we summarize the latest advances on smart sgRNA, Cas, and CRISPR/Cas nanocarriers, categorized according to their stimulus type (physical, chemical, or biological).
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Affiliation(s)
- Akbar Hasanzadeh
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Hamid Noori
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Atefeh Jahandideh
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Niloofar Haeri Moghaddam
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Seyede Mahtab Kamrani Mousavi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Helena Nourizadeh
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Sara Saeedi
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Mahdi Karimi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran 1449614535, Iran
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
- Research Center for Science and Technology in Medicine, Tehran University of Medical Sciences, Tehran 141556559, Iran
- Applied Biotechnology Research Centre, Tehran Medical Science, Islamic Azad University, Tehran 1584743311, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
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15
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Abstract
Although the use of stem cell therapy for central nervous system (CNS) repair has shown considerable promise, it is still limited by the immediate death of a large fraction of transplanted cells owing to cell handling procedures, injection stress and host immune attack leading to poor therapeutic outcomes. Scaffolding cells in hydrogels is known to protect cells from such immediate death by shielding them from mechanical damage and by averting an immune attack after transplantation. Implanted hydrogels must eventually degrade and facilitate a safe integration of the graft with the surrounding host tissue. Hence, serial monitoring of hydrogel degradation in vivo is pivotal to optimize hydrogel compositions and overall therapeutic efficacy of the graft. We present here methods and protocols to use chemical exchange saturation transfer magnetic resonance imaging (CEST MRI) as a non-invasive, label-free imaging paradigm to monitor the degradation of composite hydrogels made up of thiolated gelatin (Gel-SH), thiolated hyaluronic acid (HA-SH), and poly (ethylene glycol) diacrylate (PEGDA), of which the stiffness and CEST contrast can be fine-tuned by simply varying the composite concentrations and mixing ratios. By individually labeling Gel-S and HA-S with two distinct near-infrared (NIR) dyes, multispectral monitoring of the relative degradation of the components can be used for long-term validation of the CEST MRI findings.
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Affiliation(s)
- Shreyas Kuddannaya
- Division of MR Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Wei Zhu
- Division of MR Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jeff W M Bulte
- Division of MR Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Cellular Imaging Section and Vascular Biology Program, Institute for Cell Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Department of Biomedical Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Department of Chemical & Biomolecular Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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16
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El-Husseiny HM, Mady EA, Hamabe L, Abugomaa A, Shimada K, Yoshida T, Tanaka T, Yokoi A, Elbadawy M, Tanaka R. Smart/stimuli-responsive hydrogels: Cutting-edge platforms for tissue engineering and other biomedical applications. Mater Today Bio 2022; 13:100186. [PMID: 34917924 PMCID: PMC8669385 DOI: 10.1016/j.mtbio.2021.100186] [Citation(s) in RCA: 88] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/14/2021] [Accepted: 12/08/2021] [Indexed: 02/07/2023] Open
Abstract
Recently, biomedicine and tissue regeneration have emerged as great advances that impacted the spectrum of healthcare. This left the door open for further improvement of their applications to revitalize the impaired tissues. Hence, restoring their functions. The implementation of therapeutic protocols that merge biomimetic scaffolds, bioactive molecules, and cells plays a pivotal role in this track. Smart/stimuli-responsive hydrogels are remarkable three-dimensional (3D) bioscaffolds intended for tissue engineering and other biomedical purposes. They can simulate the physicochemical, mechanical, and biological characters of the innate tissues. Also, they provide the aqueous conditions for cell growth, support 3D conformation, provide mechanical stability for the cells, and serve as potent delivery matrices for bioactive molecules. Many natural and artificial polymers were broadly utilized to design these intelligent platforms with novel advanced characteristics and tailored functionalities that fit such applications. In the present review, we highlighted the different types of smart/stimuli-responsive hydrogels with emphasis on their synthesis scheme. Besides, the mechanisms of their responsiveness to different stimuli were elaborated. Their potential for tissue engineering applications was discussed. Furthermore, their exploitation in other biomedical applications as targeted drug delivery, smart biosensors, actuators, 3D and 4D printing, and 3D cell culture were outlined. In addition, we threw light on smart self-healing hydrogels and their applications in biomedicine. Eventually, we presented their future perceptions in biomedical and tissue regeneration applications. Conclusively, current progress in the design of smart/stimuli-responsive hydrogels enhances their prospective to function as intelligent, and sophisticated systems in different biomedical applications.
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Affiliation(s)
- Hussein M. El-Husseiny
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Eman A. Mady
- Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Lina Hamabe
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Amira Abugomaa
- Faculty of Veterinary Medicine, Mansoura University, Mansoura, Dakahliya, 35516, Egypt
| | - Kazumi Shimada
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
- Division of Research Animal Laboratory and Translational Medicine, Research and Development Center, Osaka Medical College, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan
| | - Tomohiko Yoshida
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Takashi Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Aimi Yokoi
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Mohamed Elbadawy
- Department of Pharmacology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Ryou Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
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17
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Tang J, Zeng L, Liu Z. Fabrication of patterned magnetic hydrogels by ion transfer printing. SOFT MATTER 2021; 17:8059-8067. [PMID: 34524342 DOI: 10.1039/d1sm00869b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Magnetic hydrogels have found a myriad of applications in bioengineering and soft robotics. As the function of magnetic hydrogels is affected by the distribution of magnetic nanoparticles, it is imperative to propose a strategy for fabricating patterned magnetic hydrogels. However, previous strategies can only achieve very simple distribution by using external magnetic fields to guide the chain-like assembly of nanoparticles. It remains challenging to realize the complex distribution of magnetic nanoparticles in a hydrogel. Here we propose an ion transfer printing strategy to prepare patterned magnetic hydrogels, taking advantage of the ion permeation and nanoparticle precipitation in the hydrogel. The polyacrylamide (PAAm) hydrogel is loaded with Fe2+/Fe3+ ions and covered with a patterned filter paper with OH- ions to generate Fe3O4 nanoparticles locally. The effect of the ion concentration and covering time on the generation of nanoparticles is investigated by using a reaction-diffusion model. Furthermore, the magnetothermal response of the patterned magnetic hydrogels has been characterized to reveal the distribution and thermogenesis of magnetic nanoparticles. We hope that the fabricated magnetic hydrogels with complex patterns can open up new opportunities for applications.
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Affiliation(s)
- Jingda Tang
- State Key Lab for Strength and Vibration of Mechanical Structures, International Center for Applied Mechanics, Department of Engineering Mechanics, Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Liangsong Zeng
- State Key Lab for Strength and Vibration of Mechanical Structures, International Center for Applied Mechanics, Department of Engineering Mechanics, Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Zishun Liu
- State Key Lab for Strength and Vibration of Mechanical Structures, International Center for Applied Mechanics, Department of Engineering Mechanics, Xi'an Jiaotong University, Xi'an, 710049, China.
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18
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Li Z, Li Y, Chen C, Cheng Y. Magnetic-responsive hydrogels: From strategic design to biomedical applications. J Control Release 2021; 335:541-556. [PMID: 34097923 DOI: 10.1016/j.jconrel.2021.06.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 02/07/2023]
Abstract
Smart hydrogels which can respond to external stimuli have been widely focused with increasing interest. Thereinto, magnetic-responsive hydrogels that are prepared by embedding magnetic nanomaterials into hydrogel networks are more advantageous in biomedical applications due to their rapid magnetic response, precisely temporal and spatial control and non-invasively remote actuation. Upon the application of an external magnetic field, magnetic hydrogels can be actuated to perform multiple response modes such as locomotion, deformation and thermogenesis for therapeutic purposes without the limit of tissue penetration depth. This review summarizes the latest advances of magnetic-responsive hydrogels with focus on biomedical applications. The synthetic methods of magnetic hydrogels are firstly introduced. Then, the roles of different response modes of magnetic hydrogels played in different biomedical applications are emphatically discussed in detail. In the end, the current limitations and future perspectives for magnetic hydrogels are given.
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Affiliation(s)
- Zhenguang Li
- The Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai 200120, China
| | - Yingze Li
- The Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai 200120, China; Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Chang Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China.
| | - Yu Cheng
- The Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai 200120, China.
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19
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Gang F, Jiang L, Xiao Y, Zhang J, Sun X. Multi‐functional magnetic hydrogel: Design strategies and applications. NANO SELECT 2021. [DOI: 10.1002/nano.202100139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Fangli Gang
- Department of Biology Xinzhou Teachers University Xinzhou Shanxi 034000 China
| | - Le Jiang
- State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing 100084 China
- Key Laboratory of Advanced Materials of Ministry of Education of China School of Materials Science and Engineering Tsinghua University Beijing 100084 China
| | - Yi Xiao
- Department of Biology Xinzhou Teachers University Xinzhou Shanxi 034000 China
| | - Jiwen Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 China
| | - Xiaodan Sun
- State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing 100084 China
- Key Laboratory of Advanced Materials of Ministry of Education of China School of Materials Science and Engineering Tsinghua University Beijing 100084 China
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20
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Sun Z, Li Z, Qu K, Zhang Z, Niu Y, Xu W, Ren C. A review on recent advances in gel adhesion and their potential applications. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115254] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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21
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Zhang Y, Huang Y. Rational Design of Smart Hydrogels for Biomedical Applications. Front Chem 2021; 8:615665. [PMID: 33614595 PMCID: PMC7889811 DOI: 10.3389/fchem.2020.615665] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/21/2020] [Indexed: 12/20/2022] Open
Abstract
Hydrogels are polymeric three-dimensional network structures with high water content. Due to their superior biocompatibility and low toxicity, hydrogels play a significant role in the biomedical fields. Hydrogels are categorized by the composition from natural polymers to synthetic polymers. To meet the complicated situation in the biomedical applications, suitable host–guest supramolecular interactions are rationally selected. This review will have an introduction of hydrogel classification based on the formulation molecules, and then a discussion over the rational design of the intelligent hydrogel to the environmental stimuli such as temperature, irradiation, pH, and targeted biomolecules. Further, the applications of rationally designed smart hydrogels in the biomedical field will be presented, such as tissue repair, drug delivery, and cancer therapy. Finally, the perspectives and the challenges of smart hydrogels will be outlined.
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Affiliation(s)
- Yanyu Zhang
- Institute of Analytical Technology and Smart Instruments, Xiamen Huaxia University, Xiamen, China.,Engineering Research Center of Fujian Province, Xiamen Huaxia University, Xiamen, China
| | - Yishun Huang
- Institute of Analytical Technology and Smart Instruments, Xiamen Huaxia University, Xiamen, China.,Engineering Research Center of Fujian Province, Xiamen Huaxia University, Xiamen, China
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22
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Veloso SR, Andrade RG, Castanheira EM. Review on the advancements of magnetic gels: towards multifunctional magnetic liposome-hydrogel composites for biomedical applications. Adv Colloid Interface Sci 2021; 288:102351. [PMID: 33387893 DOI: 10.1016/j.cis.2020.102351] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/18/2020] [Accepted: 12/19/2020] [Indexed: 12/11/2022]
Abstract
Magnetic gels have been gaining great attention in nanomedicine, as they combine features of hydrogels and magnetic nanoparticles into a single system. The incorporation of liposomes in magnetic gels further leads to a more robust multifunctional system enabling more functions and spatiotemporal control required for biomedical applications, which includes on-demand drug release. In this review, magnetic gels components are initially introduced, as well as an overview of advancements on the development, tuneability, manipulation and application of these materials. After a discussion of the advantages of combining hydrogels with liposomes, the properties, fabrication strategies and applications of magnetic liposome-hydrogel composites (magnetic lipogels or magnetolipogels) are reviewed. Overall, the progress of magnetic gels towards smart multifunctional materials are emphasized, considering the contributions for future developments.
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23
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Pardo A, Gómez-Florit M, Barbosa S, Taboada P, Domingues RMA, Gomes ME. Magnetic Nanocomposite Hydrogels for Tissue Engineering: Design Concepts and Remote Actuation Strategies to Control Cell Fate. ACS NANO 2021; 15:175-209. [PMID: 33406360 DOI: 10.1021/acsnano.0c08253] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Most tissues of the human body are characterized by highly anisotropic physical properties and biological organization. Hydrogels have been proposed as scaffolding materials to construct artificial tissues due to their water-rich composition, biocompatibility, and tunable properties. However, unmodified hydrogels are typically composed of randomly oriented polymer networks, resulting in homogeneous structures with isotropic properties different from those observed in biological systems. Magnetic materials have been proposed as potential agents to provide hydrogels with the anisotropy required for their use on tissue engineering. Moreover, the intrinsic properties of magnetic nanoparticles enable their use as magnetomechanic remote actuators to control the behavior of the cells encapsulated within the hydrogels under the application of external magnetic fields. In this review, we combine a detailed summary of the main strategies to prepare magnetic nanoparticles showing controlled properties with an analysis of the different approaches available to their incorporation into hydrogels. The application of magnetically responsive nanocomposite hydrogels in the engineering of different tissues is also reviewed.
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Affiliation(s)
- Alberto Pardo
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Manuel Gómez-Florit
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Silvia Barbosa
- Colloids and Polymers Physics Group, Condensed Matter Physics Area, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Pablo Taboada
- Colloids and Polymers Physics Group, Condensed Matter Physics Area, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Rui M A Domingues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
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24
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Sung B, Kim M, Abelmann L. Magnetic microgels and nanogels: Physical mechanisms and biomedical applications. Bioeng Transl Med 2021; 6:e10190. [PMID: 33532590 PMCID: PMC7823133 DOI: 10.1002/btm2.10190] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 10/02/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023] Open
Abstract
Soft micro- and nanostructures have been extensively developed for biomedical applications. The main focus has been on multifunctional composite materials that combine the advantages of hydrogels and colloidal particles. Magnetic microgels and nanogels can be realized by hybridizing stimuli-sensitive gels and magnetic nanoparticles. They are of particular interest since they can be controlled in a wide range of biological environments by using magnetic fields. In this review, we elucidate physical principles underlying the design of magnetic microgels and nanogels for biomedical applications. Particularly, this article provides a comprehensive and conceptual overview on the correlative structural design and physical functionality of the magnetic gel systems under the concept of colloidal biodevices. To this end, we begin with an overview of physicochemical mechanisms related to stimuli-responsive hydrogels and transport phenomena and summarize the magnetic properties of inorganic nanoparticles. On the basis of the engineering principles, we categorize and summarize recent advances in magnetic hybrid microgels and nanogels, with emphasis on the biomedical applications of these materials. Potential applications of these hybrid microgels and nanogels in anticancer treatment, protein therapeutics, gene therapy, bioseparation, biocatalysis, and regenerative medicine are highlighted. Finally, current challenges and future opportunities in the design of smart colloidal biodevices are discussed.
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Affiliation(s)
- Baeckkyoung Sung
- KIST Europe Forschungsgesellschaft mbHSaarbrückenGermany
- Department of Biological SciencesKent State UniversityKentOhioUSA
- Division of Energy and Environment TechnologyUniversity of Science and TechnologyDaejeonRepublic of Korea
| | - Min‐Ho Kim
- Department of Biological SciencesKent State UniversityKentOhioUSA
| | - Leon Abelmann
- KIST Europe Forschungsgesellschaft mbHSaarbrückenGermany
- MESA+ Institute for Nanotechnology, University of TwenteEnschedeThe Netherlands
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25
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Yu C, Schimelman J, Wang P, Miller KL, Ma X, You S, Guan J, Sun B, Zhu W, Chen S. Photopolymerizable Biomaterials and Light-Based 3D Printing Strategies for Biomedical Applications. Chem Rev 2020; 120:10695-10743. [PMID: 32323975 PMCID: PMC7572843 DOI: 10.1021/acs.chemrev.9b00810] [Citation(s) in RCA: 198] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Since the advent of additive manufacturing, known commonly as 3D printing, this technology has revolutionized the biofabrication landscape and driven numerous pivotal advancements in tissue engineering and regenerative medicine. Many 3D printing methods were developed in short course after Charles Hull first introduced the power of stereolithography to the world. However, materials development was not met with the same enthusiasm and remained the bottleneck in the field for some time. Only in the past decade has there been deliberate development to expand the materials toolbox for 3D printing applications to meet the true potential of 3D printing technologies. Herein, we review the development of biomaterials suited for light-based 3D printing modalities with an emphasis on bioprinting applications. We discuss the chemical mechanisms that govern photopolymerization and highlight the application of natural, synthetic, and composite biomaterials as 3D printed hydrogels. Because the quality of a 3D printed construct is highly dependent on both the material properties and processing technique, we included a final section on the theoretical and practical aspects behind light-based 3D printing as well as ways to employ that knowledge to troubleshoot and standardize the optimization of printing parameters.
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Affiliation(s)
- Claire Yu
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Jacob Schimelman
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Pengrui Wang
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Kathleen L Miller
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Xuanyi Ma
- Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Shangting You
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Jiaao Guan
- Department of Electrical and Computer Engineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Bingjie Sun
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Wei Zhu
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Shaochen Chen
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
- Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
- Chemical Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
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26
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Filho E, Brito E, Silva R, Streck L, Bohn F, Fonseca J. Superparamagnetic polyacrylamide/magnetite composite gels. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2020.1774382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ernani Filho
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal, RN, Brazil
| | - Elvis Brito
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal, RN, Brazil
| | - Rodolfo Silva
- Departamento de Física, Universidade Federal do Rio Grande do Norte Campus Universitário, Natal, RN, Brazil
| | - Letícia Streck
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal, RN, Brazil
| | - Felipe Bohn
- Departamento de Física, Universidade Federal do Rio Grande do Norte Campus Universitário, Natal, RN, Brazil
| | - José Fonseca
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal, RN, Brazil
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27
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Xu X, Liu Y, Fu W, Yao M, Ding Z, Xuan J, Li D, Wang S, Xia Y, Cao M. Poly(N-isopropylacrylamide)-Based Thermoresponsive Composite Hydrogels for Biomedical Applications. Polymers (Basel) 2020; 12:polym12030580. [PMID: 32150904 PMCID: PMC7182829 DOI: 10.3390/polym12030580] [Citation(s) in RCA: 149] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/10/2020] [Accepted: 02/14/2020] [Indexed: 12/11/2022] Open
Abstract
Poly(N-isopropylacrylamide) (PNIPAM)-based thermosensitive hydrogels demonstrate great potential in biomedical applications. However, they have inherent drawbacks such as low mechanical strength, limited drug loading capacity and low biodegradability. Formulating PNIPAM with other functional components to form composited hydrogels is an effective strategy to make up for these deficiencies, which can greatly benefit their practical applications. This review seeks to provide a comprehensive observation about the PNIPAM-based composite hydrogels for biomedical applications so as to guide related research. It covers the general principles from the materials choice to the hybridization strategies as well as the performance improvement by focusing on several application areas including drug delivery, tissue engineering and wound dressing. The most effective strategies include incorporation of functional inorganic nanoparticles or self-assembled structures to give composite hydrogels and linking PNIPAM with other polymer blocks of unique properties to produce copolymeric hydrogels, which can improve the properties of the hydrogels by enhancing the mechanical strength, giving higher biocompatibility and biodegradability, introducing multi-stimuli responsibility, enabling higher drug loading capacity as well as controlled release. These aspects will be of great help for promoting the development of PNIPAM-based composite materials for biomedical applications.
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Affiliation(s)
- Xiaomin Xu
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Yang Liu
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Wenbo Fu
- Heze Key Laboratory of Water Pollution Treatment, Heze Vocational College, Heze 274000, China;
| | - Mingyu Yao
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Zhen Ding
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Jiaming Xuan
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Dongxiang Li
- Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
| | - Shengjie Wang
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Yongqing Xia
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
| | - Meiwen Cao
- State Key Laboratory of Heavy Oil Processing and Centre for Bioengineering and Biotechnology, University of Petroleum (East China), Qingdao 266580, China; (X.X.); (Y.L.); (M.Y.); (Z.D.); (J.X.); (S.W.); (Y.X.)
- Correspondence: ; Tel./Fax: +86-532-86983455
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28
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Boca S, Gulei D, Zimta AA, Onaciu A, Magdo L, Tigu AB, Ionescu C, Irimie A, Buiga R, Berindan-Neagoe I. Nanoscale delivery systems for microRNAs in cancer therapy. Cell Mol Life Sci 2020; 77:1059-1086. [PMID: 31637450 PMCID: PMC11105078 DOI: 10.1007/s00018-019-03317-9] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 07/26/2019] [Accepted: 09/20/2019] [Indexed: 12/15/2022]
Abstract
Concomitant with advances in research regarding the role of miRNAs in sustaining carcinogenesis, major concerns about their delivery options for anticancer therapies have been raised. The answer to this problem may come from the world of nanoparticles such as liposomes, exosomes, polymers, dendrimers, mesoporous silica nanoparticles, quantum dots and metal-based nanoparticles which have been proved as versatile and valuable vehicles for many biomolecules including miRNAs. In another train of thoughts, the general scheme of miRNA modulation consists in inhibition of oncomiRNA expression and restoration of tumor suppressor ones. The codelivery of two miRNAs or miRNAs in combination with chemotherapeutics or small molecules was also proposed. The present review presents the latest advancements in miRNA delivery based on nanoparticle-related strategies.
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Affiliation(s)
- Sanda Boca
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian, 400271, Cluj-Napoca, Romania
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu", University of Medicine and Pharmacy, 23 Marinescu Street, 400337, Cluj-Napoca, Romania
| | - Diana Gulei
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, Cluj-Napoca, Romania
| | - Alina-Andreea Zimta
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, Cluj-Napoca, Romania
| | - Anca Onaciu
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, Cluj-Napoca, Romania
| | - Lorand Magdo
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu", University of Medicine and Pharmacy, 23 Marinescu Street, 400337, Cluj-Napoca, Romania
| | - Adrian Bogdan Tigu
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, Cluj-Napoca, Romania
| | - Calin Ionescu
- 5th Surgical Department, Municipal Hospital, Cluj-Napoca, Romania
- "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Alexandru Irimie
- Department of Oncological Surgery and Gynecological Oncology, 400015, Cluj-Napoca, Romania
- Department of Surgery, The Oncology Institute "Prof. Dr. Ion Chiricuta", 400015, Cluj-Napoca, Romania
| | - Rares Buiga
- Department of Pathology, "Prof Dr. Ion Chiricuta" Oncology Institute, Cluj-Napoca, Romania.
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu", University of Medicine and Pharmacy, 23 Marinescu Street, 400337, Cluj-Napoca, Romania.
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, Cluj-Napoca, Romania.
- Department of Functional Genomics and Experimental Pathology, The Oncology Institute "Prof. Dr. Ion Chiricuta", 34-36 Republicii Street, Cluj-Napoca, Romania.
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Sun Z, Song C, Wang C, Hu Y, Wu J. Hydrogel-Based Controlled Drug Delivery for Cancer Treatment: A Review. Mol Pharm 2020; 17:373-391. [PMID: 31877054 DOI: 10.1021/acs.molpharmaceut.9b01020] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
As an emerging drug carrier, hydrogels have been widely used for tumor drug delivery. A hydrogel drug carrier can cause less severe side effects than systemic chemotherapy and can achieve sustained delivery of a drug at tumor sites. In addition, hydrogels have excellent biocompatibility and biodegradability and lower toxicity than nanoparticle carriers. Smart hydrogels can respond to stimuli in the environment (e.g., heat, pH, light, and ultrasound), enabling in situ gelation and controlled drug release, which greatly enhance the convenience and efficiency of drug delivery. Here, we summarize the different sizes of hydrogels used for cancer treatment and their related delivery routes, discuss the design strategies for stimuli-responsive hydrogels, and review the research concerning smart hydrogels reported in the past few years.
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Affiliation(s)
- Zhaoyi Sun
- School of Chemistry and Chemical Engineering , Nanjing University , 210046 Nanjing , China
| | - Chengjun Song
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School of Nanjing University and School of Life Sciences , Nanjing University , 210093 Nanjing , China
| | - Chao Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School of Nanjing University and School of Life Sciences , Nanjing University , 210093 Nanjing , China
| | - Yiqiao Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School of Nanjing University and School of Life Sciences , Nanjing University , 210093 Nanjing , China.,Jiangsu Key Laboratory for Nano Technology , Nanjing University , 210093 Nanjing , China.,Institute of Drug R&D , Medical School of Nanjing University , 210093 Nanjing , China
| | - Jinhui Wu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School of Nanjing University and School of Life Sciences , Nanjing University , 210093 Nanjing , China.,Jiangsu Key Laboratory for Nano Technology , Nanjing University , 210093 Nanjing , China.,Institute of Drug R&D , Medical School of Nanjing University , 210093 Nanjing , China
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30
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Chimene D, Kaunas R, Gaharwar AK. Hydrogel Bioink Reinforcement for Additive Manufacturing: A Focused Review of Emerging Strategies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1902026. [PMID: 31599073 DOI: 10.1002/adma.201902026] [Citation(s) in RCA: 253] [Impact Index Per Article: 63.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 08/05/2019] [Indexed: 05/24/2023]
Abstract
Bioprinting is an emerging approach for fabricating cell-laden 3D scaffolds via robotic deposition of cells and biomaterials into custom shapes and patterns to replicate complex tissue architectures. Bioprinting uses hydrogel solutions called bioinks as both cell carriers and structural components, requiring bioinks to be highly printable while providing a robust and cell-friendly microenvironment. Unfortunately, conventional hydrogel bioinks have not been able to meet these requirements and are mechanically weak due to their heterogeneously crosslinked networks and lack of energy dissipation mechanisms. Advanced bioink designs using various methods of dissipating mechanical energy are aimed at developing next-generation cellularized 3D scaffolds to mimic anatomical size, tissue architecture, and tissue-specific functions. These next-generation bioinks need to have high print fidelity and should provide a biocompatible microenvironment along with improved mechanical properties. To design these advanced bioink formulations, it is important to understand the structure-property-function relationships of hydrogel networks. By specifically leveraging biophysical and biochemical characteristics of hydrogel networks, high performance bioinks can be designed to control and direct cell functions. In this review article, current and emerging approaches in hydrogel design and bioink reinforcement techniques are critically evaluated. This bottom-up perspective provides a materials-centric approach to bioink design for 3D bioprinting.
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Affiliation(s)
- David Chimene
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Roland Kaunas
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Akhilesh K Gaharwar
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX, 77843, USA
- Material Science and Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX, 77843, USA
- Center for Remote Health Technologies and Systems, Texas A&M University, College Station, TX, 77843, USA
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31
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Wang YH, Zhong M, Wang L, Liu YL, Wang B, Li Y. Chelerythrine loaded composite magnetic thermosensitive hydrogels as a novel anticancer drug-delivery system. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101293] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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32
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Filippi M, Born G, Felder-Flesch D, Scherberich A. Use of nanoparticles in skeletal tissue regeneration and engineering. Histol Histopathol 2019; 35:331-350. [PMID: 31721139 DOI: 10.14670/hh-18-184] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Bone and osteochondral defects represent one of the major causes of disabilities in the world. Derived from traumas and degenerative pathologies, these lesions cause severe pain, joint deformity, and loss of joint motion. The standard treatments in clinical practice present several limitations. By producing functional substitutes for damaged tissues, tissue engineering has emerged as an alternative in the treatment of defects in the skeletal system. Despite promising preliminary clinical outcomes, several limitations remain. Nanotechnologies could offer new solutions to overcome those limitations, generating materials more closely mimicking the structures present in naturally occurring systems. Nanostructures comparable in size to those appearing in natural bone and cartilage have thus become relevant in skeletal tissue engineering. In particular, nanoparticles allow for a unique combination of approaches (e.g. cell labelling, scaffold modification or drug and gene delivery) inside single integrated systems for optimized tissue regeneration. In the present review, the main types of nanoparticles and the current strategies for their application to skeletal tissue engineering are described. The collection of studies herein considered confirms that advanced nanomaterials will be determinant in the design of regenerative therapeutic protocols for skeletal lesions in the future.
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Affiliation(s)
- Miriam Filippi
- Department of Biomedical Engineering, University of Basel, Allschwil, Basel, Switzerland.,Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Gordian Born
- Department of Biomedical Engineering, University of Basel, Allschwil, Basel, Switzerland.,Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Delphine Felder-Flesch
- Institut de Physique et Chimie des Matériaux Strasbourg, UMR CNRS-Université de Strasbourg, Strasbourg, France
| | - Arnaud Scherberich
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland.,Department of Biomedical Engineering, University of Basel, Allschwil, Basel, Switzerland.
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33
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Mantha S, Pillai S, Khayambashi P, Upadhyay A, Zhang Y, Tao O, Pham HM, Tran SD. Smart Hydrogels in Tissue Engineering and Regenerative Medicine. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3323. [PMID: 31614735 PMCID: PMC6829293 DOI: 10.3390/ma12203323] [Citation(s) in RCA: 341] [Impact Index Per Article: 68.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/08/2019] [Accepted: 10/09/2019] [Indexed: 01/01/2023]
Abstract
The field of regenerative medicine has tremendous potential for improved treatment outcomes and has been stimulated by advances made in bioengineering over the last few decades. The strategies of engineering tissues and assembling functional constructs that are capable of restoring, retaining, and revitalizing lost tissues and organs have impacted the whole spectrum of medicine and health care. Techniques to combine biomimetic materials, cells, and bioactive molecules play a decisive role in promoting the regeneration of damaged tissues or as therapeutic systems. Hydrogels have been used as one of the most common tissue engineering scaffolds over the past two decades due to their ability to maintain a distinct 3D structure, to provide mechanical support for the cells in the engineered tissues, and to simulate the native extracellular matrix. The high water content of hydrogels can provide an ideal environment for cell survival, and structure which mimics the native tissues. Hydrogel systems have been serving as a supportive matrix for cell immobilization and growth factor delivery. This review outlines a brief description of the properties, structure, synthesis and fabrication methods, applications, and future perspectives of smart hydrogels in tissue engineering.
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Affiliation(s)
- Somasundar Mantha
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Sangeeth Pillai
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Parisa Khayambashi
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Akshaya Upadhyay
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Yuli Zhang
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Owen Tao
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Hieu M Pham
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Simon D Tran
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
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34
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Ashammakhi N, Ahadian S, Zengjie F, Suthiwanich K, Lorestani F, Orive G, Ostrovidov S, Khademhosseini A. Advances and Future Perspectives in 4D Bioprinting. Biotechnol J 2018; 13:e1800148. [PMID: 30221837 PMCID: PMC6433173 DOI: 10.1002/biot.201800148] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 09/09/2018] [Indexed: 12/17/2022]
Abstract
Three-dimensionally printed constructs are static and do not recapitulate the dynamic nature of tissues. Four-dimensional (4D) bioprinting has emerged to include conformational changes in printed structures in a predetermined fashion using stimuli-responsive biomaterials and/or cells. The ability to make such dynamic constructs would enable an individual to fabricate tissue structures that can undergo morphological changes. Furthermore, other fields (bioactuation, biorobotics, and biosensing) will benefit from developments in 4D bioprinting. Here, the authors discuss stimuli-responsive biomaterials as potential bioinks for 4D bioprinting. Natural cell forces can also be incorporated into 4D bioprinted structures. The authors introduce mathematical modeling to predict the transition and final state of 4D printed constructs. Different potential applications of 4D bioprinting are also described. Finally, the authors highlight future perspectives for this emerging technology in biomedicine.
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Affiliation(s)
- Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Division of Plastic Surgery, Department of Surgery, Oulu University, Oulu, Finland
| | - Samad Ahadian
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Fan Zengjie
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- School of Stomatology, Lanzhou University, China
| | - Kasinan Suthiwanich
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo, Japan
| | - Farnaz Lorestani
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
- University Malaya Centre for Ionic Liquids (UMCiL), University of Malaya, Kuala Lumpur, Malaysia
| | - Gorka Orive
- Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria, Spain
- Networking Biomedical Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Vitoria, Spain
- University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Serge Ostrovidov
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Department of Radiological Sciences, University of California - Los Angeles, Los Angeles, California, USA
- Department of Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, California, USA
- Center of Nanotechnology, Department of Physics, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul, Republic of Korea
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35
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Sánchez-Moreno P, de Vicente J, Nardecchia S, Marchal JA, Boulaiz H. Thermo-Sensitive Nanomaterials: Recent Advance in Synthesis and Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E935. [PMID: 30428608 PMCID: PMC6266697 DOI: 10.3390/nano8110935] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/06/2018] [Accepted: 11/09/2018] [Indexed: 12/22/2022]
Abstract
Progress in nanotechnology has enabled us to open many new fronts in biomedical research by exploiting the peculiar properties of materials at the nanoscale. The thermal sensitivity of certain materials is a highly valuable property because it can be exploited in many promising applications, such as thermo-sensitive drug or gene delivery systems, thermotherapy, thermal biosensors, imaging, and diagnosis. This review focuses on recent advances in thermo-sensitive nanomaterials of interest in biomedical applications. We provide an overview of the different kinds of thermoresponsive nanomaterials, discussing their potential and the physical mechanisms behind their thermal response. We thoroughly review their applications in biomedicine and finally discuss the current challenges and future perspectives of thermal therapies.
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Affiliation(s)
- Paola Sánchez-Moreno
- Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy.
| | - Juan de Vicente
- Department of Applied Physics, Faculty of Sciences, University of Granada, C/Fuentenueva s/n, 18071 Granada, Spain.
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
| | - Stefania Nardecchia
- Department of Applied Physics, Faculty of Sciences, University of Granada, C/Fuentenueva s/n, 18071 Granada, Spain.
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
| | - Juan A Marchal
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
- Department of Human Anatomy and Embryology, University of Granada, 18016 Granada, Spain.
- Biopathology and Medicine Regenerative Institute (IBIMER), University of Granada, 18016 Granada, Spain.
- Biosanitary Institute of Granada (ibs.GRANADA), SAS-Universidad de Granada, 18016 Granada, Spain.
| | - Houria Boulaiz
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
- Department of Human Anatomy and Embryology, University of Granada, 18016 Granada, Spain.
- Biopathology and Medicine Regenerative Institute (IBIMER), University of Granada, 18016 Granada, Spain.
- Biosanitary Institute of Granada (ibs.GRANADA), SAS-Universidad de Granada, 18016 Granada, Spain.
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36
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Veloso SRS, Ferreira PMT, Martins JA, Coutinho PJG, Castanheira EMS. Magnetogels: Prospects and Main Challenges in Biomedical Applications. Pharmaceutics 2018; 10:E145. [PMID: 30181472 PMCID: PMC6161300 DOI: 10.3390/pharmaceutics10030145] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 08/24/2018] [Accepted: 08/30/2018] [Indexed: 11/17/2022] Open
Abstract
Drug delivery nanosystems have been thriving in recent years as a promising application in therapeutics, seeking to solve the lack of specificity of conventional chemotherapy targeting and add further features such as enhanced magnetic resonance imaging, biosensing and hyperthermia. The combination of magnetic nanoparticles and hydrogels introduces a new generation of nanosystems, the magnetogels, which combine the advantages of both nanomaterials, apart from showing interesting properties unobtainable when both systems are separated. The presence of magnetic nanoparticles allows the control and targeting of the nanosystem to a specific location by an externally applied magnetic field gradient. Moreover, the application of an alternating magnetic field (AMF) not only allows therapy through hyperthermia, but also enhances drug delivery and chemotherapeutic desired effects, which combined with the hydrogel specificity, confer a high therapeutic efficiency. Therefore, the present review summarizes the magnetogels properties and critically discusses their current and recent biomedical applications, apart from an outlook on future goals and perspectives.
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Affiliation(s)
- Sérgio R S Veloso
- Centre of Physics (CFUM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Paula M T Ferreira
- Centre of Chemistry (CQ-UM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - J A Martins
- Centre of Chemistry (CQ-UM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Paulo J G Coutinho
- Centre of Physics (CFUM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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37
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Alsuraifi A, Curtis A, Lamprou DA, Hoskins C. Stimuli Responsive Polymeric Systems for Cancer Therapy. Pharmaceutics 2018; 10:E136. [PMID: 30131473 PMCID: PMC6161138 DOI: 10.3390/pharmaceutics10030136] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/08/2018] [Accepted: 08/20/2018] [Indexed: 12/14/2022] Open
Abstract
Nanoscale polymers systems have dominated the revolution of drug delivery advancement. Their potential in the fight against cancer is unrivalled with other technologies. Their functionality increase, targeting ability and stimuli responsive nature have led to a major boom in research focus. This review article concentrates on the use of these smart polymers in cancer therapy. Nanotechnologies have shown potential as drug carriers leading to increased drug efficacy and penetration. Multifunctional smart carriers which can release their payload upon an external or internal trigger such as pH or temperature are proving to be major frontrunners in the development of effective strategies to overcome this disease with minimal patient side effects.
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Affiliation(s)
- Ali Alsuraifi
- Institute of Science and Technology in Medicine, Keele University, Keele ST5 5BG, UK.
- College of Dentistry, University of Basrah, Basrah 61004, Iraq.
| | - Anthony Curtis
- Institute of Science and Technology in Medicine, Keele University, Keele ST5 5BG, UK.
| | | | - Clare Hoskins
- Institute of Science and Technology in Medicine, Keele University, Keele ST5 5BG, UK.
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38
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Wang H, Chen Q, Zhou S. Carbon-based hybrid nanogels: a synergistic nanoplatform for combined biosensing, bioimaging, and responsive drug delivery. Chem Soc Rev 2018; 47:4198-4232. [PMID: 29667656 DOI: 10.1039/c7cs00399d] [Citation(s) in RCA: 140] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Nanosized crosslinked polymer networks, named as nanogels, are playing an increasingly important role in a diverse range of applications by virtue of their porous structures, large surface area, good biocompatibility and responsiveness to internal and/or external chemico-physical stimuli. Recently, a variety of carbon nanomaterials, such as carbon quantum dots, graphene/graphene oxide nanosheets, fullerenes, carbon nanotubes, and nanodiamonds, have been embedded into responsive polymer nanogels, in order to integrate the unique electro-optical properties of carbon nanomaterials with the merits of nanogels into a single hybrid nanogel system for improvement of their applications in nanomedicine. A vast number of studies have been pursued to explore the applications of carbon-based hybrid nanogels in biomedical areas for biosensing, bioimaging, and smart drug carriers with combinatorial therapies and/or theranostic ability. New synthetic methods and structures have been developed to prepare carbon-based hybrid nanogels with versatile properties and functions. In this review, we summarize the latest developments and applications and address the future perspectives of these carbon-based hybrid nanogels in the biomedical field.
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Affiliation(s)
- Hui Wang
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P. R. China.
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39
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Nanoengineered injectable hydrogels for wound healing application. Acta Biomater 2018; 70:35-47. [PMID: 29425720 DOI: 10.1016/j.actbio.2018.01.045] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 01/15/2018] [Accepted: 01/29/2018] [Indexed: 12/19/2022]
Abstract
We report injectable nanoengineered hemostats for enhanced wound healing and tissue regeneration. The nanoengineered system consists of the natural polysaccharide, κ-carrageenan (κCA), loaded with synthetic two-dimensional (2D) nanosilicates. Nanoengineered hydrogels showed shear-thinning characteristics and can be injected for minimally invasive approaches. The injectable gels can be physically crosslinked in presence of monovalent ions to form mechanically strong hydrogels. By controlling the ratio between κCA and nanosilicates, compressive stiffness of crosslinked hydrogels can be modulated between 20 and 200 kPa. Despite high mechanical stiffness, nanocomposite hydrogels are highly porous with an interconnected network. The addition of nanosilicates to κCA increases protein adsorption on nanocomposite hydrogels that results in enhance cell adhesion and spreading, increase platelets binding and reduce blood clotting time. Moreover, due to presence of nanosilicates, a range of therapeutic biomacromolecules can be deliver in a sustain manner. The addition of nanosilicates significantly suppresses the release of entrap vascular endothelial growth factor (VEGF) and facilitate in vitro tissue regeneration and wound healing. Thus, this multifunctional nanocomposite hydrogel can be used as an injectable hemostat and an efficient vehicle for therapeutic delivery to facilitate tissue regeneration. STATEMENT OF SIGNIFICANCE Hemorrhage is a leading cause of death in battlefield wounds, anastomosis hemorrhage and percutaneous intervention. Thus, there is a need for the development of novel bioactive materials to reduce the likelihood of hemorrhagic shock stemming from internal wounds. Here, we introduce an injectable hemostat from kappa-carrageenan and two-dimensional (2D) nanosilicates. Nanosilicates mechanically reinforce the hydrogels, provide enhanced physiological stability and accelerate the clotting time by two-fold. The sustained release of entrapped therapeutics due to presence of nanosilicates promotes enhanced wound healing. The multifunctional nanocomposite hydrogels could be used as an injectable hemostat for penetrating injury and percutaneous intervention during surgery.
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40
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Blin T, Niederberger A, Benyahia L, Fresnais J, Montembault V, Fontaine L. Thermoresponsive hybrid double-crosslinked networks using magnetic iron oxide nanoparticles as crossing points. Polym Chem 2018. [DOI: 10.1039/c8py01006d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Preparation and characterization of stimuli-sensitive hybrid double-crosslinked hydrogels based on iron oxide nanoparticles as the nano-crosslinkers and a difuran-functionalized PEO as the diene partner for the thermoreversible Diels–Alder reaction.
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Affiliation(s)
- Thomas Blin
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS – Le Mans Université
- 72085 Le Mans Cedex 9
- France
| | - Antoine Niederberger
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS – Le Mans Université
- 72085 Le Mans Cedex 9
- France
| | - Lazhar Benyahia
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS – Le Mans Université
- 72085 Le Mans Cedex 9
- France
| | - Jérôme Fresnais
- Laboratoire de Physico-chimie des Electrolytes et Nanosystèmes Interfaciaux (PHENIX)
- UMR 8234 CNRS
- Sorbonne Université
- 75252 Paris Cedex 05
- France
| | - Véronique Montembault
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS – Le Mans Université
- 72085 Le Mans Cedex 9
- France
| | - Laurent Fontaine
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS – Le Mans Université
- 72085 Le Mans Cedex 9
- France
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41
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Jalili NA, Jaiswal MK, Peak CW, Cross LM, Gaharwar AK. Injectable nanoengineered stimuli-responsive hydrogels for on-demand and localized therapeutic delivery. NANOSCALE 2017; 9:15379-15389. [PMID: 28975171 PMCID: PMC5702913 DOI: 10.1039/c7nr02327h] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
"Smart" hydrogels are an emerging class of biomaterials that respond to external stimuli and have been investigated for a range of biomedical applications, including therapeutic delivery and regenerative engineering. Stimuli-responsive nanogels constructed of thermoresponsive polymers such as poly(N-isopropylacrylamide-co-acrylamide) (poly(NIPAM-co-AM)) and magnetic nanoparticles (MNPs) have been developed as "smart carriers" for on-demand delivery of therapeutic biomolecules via magneto-thermal activation. However, due to their small size and systemic introduction, these poly(NIPAM-co-AM)/MNP nanogels result in limited control over long-term, localized therapeutic delivery. Here, we developed an injectable nanoengineered hydrogel loaded with poly(NIPAM-co-AM)/MNPs for localized, on-demand delivery of therapeutics (doxorubicin (DOX)). We have engineered shear-thinning and self-recoverable hydrogels by modulating the crosslinking density of a gelatin methacrylate (GelMA) network. Poly(NIPAM-co-AM)/MNP nanogels loaded with DOX were entrapped within a GelMA pre-polymer solution prior to crosslinking. The temperature and magnetic field dependent release of loaded DOX was observed from the nanoengineered hydrogels (GelMA/(poly(NIPAM-co-AM)/MNPs)). Finally, the in vitro efficacy of DOX released from injectable nanoengineered hydrogels was investigated using preosteoblast and osteosarcoma cells. Overall, these results demonstrated that the injectable nanoengineered hydrogels could be used for on-demand and localized therapeutic delivery for biomedical applications.
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Affiliation(s)
- Nima A Jalili
- Department of Biomedical Engineering, Texas A&M University, College Station, TX-77843, USA.
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42
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Nasef SM, M TM, Mahmoud GA. Characterization and in vitro drug release properties of core–shell hydrogel prepared by gamma irradiation. INT J POLYM MATER PO 2017. [DOI: 10.1080/00914037.2017.1362642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Shaimaa M. Nasef
- Department of Polymer chemistry, National Center for Radiation Research and Technology, Nasr City, Cairo, Egypt
| | - Tarek M. M
- Department of Polymer chemistry, National Center for Radiation Research and Technology, Nasr City, Cairo, Egypt
| | - Ghada A. Mahmoud
- Department of Polymer chemistry, National Center for Radiation Research and Technology, Nasr City, Cairo, Egypt
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43
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Gradient nanocomposite hydrogels for interface tissue engineering. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 14:2465-2474. [PMID: 28554596 DOI: 10.1016/j.nano.2017.02.022] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 12/28/2016] [Accepted: 02/24/2017] [Indexed: 12/14/2022]
Abstract
Two-dimensional (2D) nanomaterials are an emerging class of materials with unique physical and chemical properties due to their high surface area and disc-like shape. Recently, these 2D nanomaterials have been investigated for a range of biomedical applications including tissue engineering, therapeutic delivery and bioimaging, due to their ability to physically reinforce polymeric networks. Here, we present a facile fabrication of a gradient scaffold with two natural polymers (gelatin methacryloyl (GelMA) and methacrylated kappa carrageenan (MκCA)) reinforced with 2D nanosilicates to mimic the native tissue interface. The addition of nanosilicates results in shear-thinning characteristics of prepolymer solution and increases the mechanical stiffness of crosslinked gradient structure. A gradient in mechanical properties, microstructures and cell adhesion characteristics was obtained using a microengineered flow channel. The gradient structure can be used to understand cell-matrix interactions and to design gradient scaffolds for mimicking tissue interfaces.
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The Influence of Anionic Initiator on the Selected Properties of Poly-N-Isopropyl Acrylamide Evaluated for Controlled Drug Delivery. Molecules 2016; 22:molecules22010023. [PMID: 28035967 PMCID: PMC6155623 DOI: 10.3390/molecules22010023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 12/09/2016] [Accepted: 12/13/2016] [Indexed: 01/26/2023] Open
Abstract
The aim of the study was to monitor the influence of increasing initiator concentrations on the properties of poly-N-isopropylacrylamide (polyNIPA) nanoparticles obtained via surfactant free precipitation polymerization (SFPP). In all studied systems P-001 to P-1, the same amount of monomer was used, and increasing amounts of potassium persulphate (KPS). The course of each reaction was monitored by measuring the conductivity of the whole system. The resulting composition of products was confirmed by attenuated total reflectance within Fourier transformed infrared spectroscopy (ATR-FTIR) measurements. The hydrodynamic diameters with polydispersity index (PDI) and zeta potential (ZP) were measured in aqueous dispersions of the synthesized polymers in dynamic light scattering (DLS) device (λ = 678 nm), and were found to be for P-1: 20.33 nm (PDI = 0.49) and −7 mV, for P-05: 22.24 nm (PDI = 0.39) and −5 mV, for P-01: 50.14 nm (PDI = 0.49) and −3 mV, for P-005: 62.75 nm (PDI = 0.54) and −3 mV and for P-001: 509.4 nm (PDI = 0.61) and −12 mV at 18 °C, respectively. Initiator concentration affects the size and ZP of particles. The hydrodynamic diameter decreases with initiator concentration increase, whereas the time of the reaction decreases when the initiator concentration increases. This fact is reflected in the observed values of conductivity in the course of the performed reaction. Evaluated volume phase transition temperature in the range of 32 °C enables further research of the nanoparticles as thermosensitive drug carriers.
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45
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Gu Z. Introduction to special issue on "Responsive Materials and Systems: Toward Smart and Precision Medications". Bioeng Transl Med 2016; 1:235-236. [PMID: 29313014 PMCID: PMC5689542 DOI: 10.1002/btm2.10045] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Accepted: 10/29/2016] [Indexed: 01/06/2023] Open
Affiliation(s)
- Zhen Gu
- University of North Carolina at Chapel Hill and North Carolina State University.,Molecular Pharmaceutics Division Eshelman School of Pharmacy University of North Carolina at Chapel Hill.,Dept. of Medicine University of North Carolina School of Medicine
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