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He T, Yang Y, Chen XB. Propulsion mechanisms of micro/nanorobots: a review. NANOSCALE 2024; 16:12696-12734. [PMID: 38940742 DOI: 10.1039/d4nr01776e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
Micro/nanomotors (MNMs) are intelligent, efficient and promising micro/nanorobots (MNR) that can respond to external stimuli (e.g., chemical energy, temperature, light, pH, ultrasound, magnetic, biosignals, ions) and perform specific tasks. The MNR can adapt to different external stimuli and transform into various functional forms to match different application scenarios. So far, MNR have found extensive application in targeted therapy, drug delivery, tissue engineering, environmental remediation, and other fields. Despite the promise of MNR, there are few reviews that focus on them. To shed new light on the further development of the field, it is necessary to provide an overview of the current state of development of these MNR. Therefore, this paper reviews the research progress of MNR in terms of propulsion mechanisms, and points out the pros and cons of different stimulus types. Finally, this paper highlights the current challenges faced by MNR and proposes possible solutions to facilitate the practical application of MNR.
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Affiliation(s)
- Tao He
- School of Electronic and Information Engineering, University of Science and Technology Liaoning, Anshan 114051, China.
| | - Yonghui Yang
- School of Electronic and Information Engineering, University of Science and Technology Liaoning, Anshan 114051, China.
| | - Xue-Bo Chen
- School of Electronic and Information Engineering, University of Science and Technology Liaoning, Anshan 114051, China.
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2
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Yadav D, Sharma PK, Malviya R, Mishra PS, Surendra AV, Rao GSNK, Rani BR. Stimuli-responsive Biomaterials for Tissue Engineering Applications. Curr Pharm Biotechnol 2024; 25:981-999. [PMID: 37594093 DOI: 10.2174/1389201024666230818121821] [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: 01/24/2023] [Revised: 06/14/2023] [Accepted: 07/12/2023] [Indexed: 08/19/2023]
Abstract
The use of ''smart materials,'' or ''stimulus responsive'' materials, has proven useful in a variety of fields, including tissue engineering and medication delivery. Many factors, including temperature, pH, redox state, light, and magnetic fields, are being studied for their potential to affect a material's properties, interactions, structure, and/or dimensions. New tissue engineering and drug delivery methods are made possible by the ability of living systems to respond to both external stimuli and their own internal signals) for example, materials composed of stimuliresponsive polymers that self assemble or undergo phase transitions or morphology transformation. The researcher examines the potential of smart materials as controlled drug release vehicles in tissue engineering, aiming to enable the localized regeneration of injured tissue by delivering precisely dosed drugs at precisely timed intervals.
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Affiliation(s)
- Deepika Yadav
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University Greater Noida, Uttar Pradesh, India
| | - Pramod Kumar Sharma
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University Greater Noida, Uttar Pradesh, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University Greater Noida, Uttar Pradesh, India
| | - Prem Shankar Mishra
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University Greater Noida, Uttar Pradesh, India
| | | | - G S N Koteswara Rao
- Shobhaben Pratapbhai Patel School of Pharmacy, NMIMS Deemed University, Mumbai, India
| | - Budha Roja Rani
- Institute of Pharmaceutical Technology, Sri Padmavathi Mahila Visvavidyalayam, Tirupati, A.P., India
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3
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Zhou Y, Ye M, Hu C, Qian H, Nelson BJ, Wang X. Stimuli-Responsive Functional Micro-/Nanorobots: A Review. ACS NANO 2023; 17:15254-15276. [PMID: 37534824 DOI: 10.1021/acsnano.3c01942] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
Stimuli-responsive functional micro-/nanorobots (srFM/Ns) are a class of intelligent, efficient, and promising microrobots that can react to external stimuli (such as temperature, light, ultrasound, pH, ion, and magnetic field) and perform designated tasks. Through adaptive transformation into the corresponding functional forms, they can perfectly match the demands depending on different applications, which manifest extremely important roles in targeted therapy, biological detection, tissue engineering, and other fields. Promising as srFM/Ns can be, few reviews have focused on them. It is therefore necessary to provide an overview of the current development of these intelligent srFM/Ns to provide clear inspiration for further development of this field. Hence, this review summarizes the current advances of stimuli-responsive functional microrobots regarding their response mechanism, the achieved functions, and their applications to highlight the pros and cons of different stimuli. Finally, we emphasize the existing challenges of srFM/Ns and propose possible strategies to help accelerate the study of this field and promote srFM/Ns toward actual applications.
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Affiliation(s)
- Yan Zhou
- Shenzhen Institute of Artificial Intelligence and Robotics for Society (AIRS), The Chinese University of Hong Kong, Shenzhen, Guangdong 518129, China
| | - Min Ye
- Shenzhen Institute of Artificial Intelligence and Robotics for Society (AIRS), The Chinese University of Hong Kong, Shenzhen, Guangdong 518129, China
| | - Chengzhi Hu
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Huihuan Qian
- Shenzhen Institute of Artificial Intelligence and Robotics for Society (AIRS), The Chinese University of Hong Kong, Shenzhen, Guangdong 518129, China
- Chinese University of Hong Kong, Shenzhen, Shenzhen 518172, China
| | - Bradley J Nelson
- Shenzhen Institute of Artificial Intelligence and Robotics for Society (AIRS), The Chinese University of Hong Kong, Shenzhen, Guangdong 518129, China
- Multi-Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092 Zurich, Switzerland
| | - Xiaopu Wang
- Shenzhen Institute of Artificial Intelligence and Robotics for Society (AIRS), The Chinese University of Hong Kong, Shenzhen, Guangdong 518129, China
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4
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Idumah CI, Nwuzor IC, Odera SR, Timothy UJ, Ngenegbo U, Tanjung FA. Recent advances in polymeric hydrogel nanoarchitectures for drug delivery applications. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2120875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Christopher Igwe Idumah
- Department of Polymer Engineering, Faculty of Engineering, Nnamdi Azikiwe University, Awka, Nigeria
| | - I. C. Nwuzor
- Department of Polymer Engineering, Faculty of Engineering, Nnamdi Azikiwe University, Awka, Nigeria
| | - S. R. Odera
- Department of Polymer Engineering, Faculty of Engineering, Nnamdi Azikiwe University, Awka, Nigeria
| | - U. J. Timothy
- Department of Polymer Engineering, Faculty of Engineering, Nnamdi Azikiwe University, Awka, Nigeria
| | - U. Ngenegbo
- Department of Parasitology and Entomology, Faculty of Biosciences, Nnamdi Azikiwe University, Awka, Nigeria
| | - F. A. Tanjung
- Faculty of Science and Technology, Universitas Medan Area, Medan, Indonesia
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5
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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: 102] [Impact Index Per Article: 51.0] [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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6
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Thomas J, Gupta N, Joseph JP, Chopra V, Pal A, Ghosh D. Mechanical Integrity in a Dynamic Interpenetrating Hydrogel Network of Supramolecular Peptide-Polysaccharide Supports Enhanced Chondrogenesis. ACS Biomater Sci Eng 2021; 7:5798-5809. [PMID: 34761897 DOI: 10.1021/acsbiomaterials.1c01120] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tissue engineering demands intelligently designed scaffolds that encompass the properties of the target tissues in terms of mechanical and bioactive properties. An ideal scaffold for engineering a cartilage tissue should provide the chondrocytes with a favorable 3D microarchitecture apart from possessing optimal mechanical characteristics such as compressibility, energy dissipation, strain stiffening, etc. Herein, we used a unique design approach to develop a hydrogel having a dynamic interpenetrating network to serve as a framework to support chondrocyte growth and differentiation. An amyloid-inspired peptide amphiphile (1) was self-assembled to furnish kinetically controlled nanofibers and incorporated in a dynamic covalently cross-linked polysaccharide network of carboxymethyl cellulose dialdehyde (CMC-D) and carboxymethyl chitosan (CMCh) using Schiff base chemistry. The dynamic noncovalent interaction played a pivotal role in providing the desired modulation in the structure and mechanical properties of the double-network hydrogels that are imperative for cartilage scaffold design. The adaptable nature supported shear-induced extrusion of the hydrogel and facilitated various cellular functions while maintaining its integrity. The potential of the as-developed hydrogels to support in vitro chondrogenesis was explored using human chondrocytes. Evidence of improved cell growth and cartilage-specific ECM production confirmed the potential of the hydrogel to support cartilage tissue engineering while reaffirming the significance of mimicking the biophysical microenvironment to induce optimal tissue regeneration.
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Affiliation(s)
- Jijo Thomas
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306 India
| | - Nidhi Gupta
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306 India
| | - Jojo P Joseph
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306 India
| | - Vianni Chopra
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306 India
| | - Asish Pal
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306 India
| | - Deepa Ghosh
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306 India
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7
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Dhand AP, Galarraga JH, Burdick JA. Enhancing Biopolymer Hydrogel Functionality through Interpenetrating Networks. Trends Biotechnol 2021; 39:519-538. [PMID: 32950262 PMCID: PMC7960570 DOI: 10.1016/j.tibtech.2020.08.007] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 01/22/2023]
Abstract
Traditional hydrogels are strong candidates for biomedical applications; however, they may suffer from drawbacks such as weak mechanics, static properties, and an inability to fully replicate aspects of the cellular microenvironment. These challenges can be addressed through the incorporation of second networks to form interpenetrating polymer network (IPN) hydrogels. The objective of this review is to establish clear trends on the enhanced functionality achieved by incorporating secondary networks into traditional, biopolymer-based hydrogels. These include mechanical reinforcement, 'smart' systems that respond to external stimuli, and the ability to tune cell-material interactions. Through attention to network structure and chemistry, IPN hydrogels may advance to meet challenging criteria for a wide range of biomedical fields.
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Affiliation(s)
- Abhishek P Dhand
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jonathan H Galarraga
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA.
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8
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Idrees H, Zaidi SZJ, Sabir A, Khan RU, Zhang X, Hassan SU. A Review of Biodegradable Natural Polymer-Based Nanoparticles for Drug Delivery Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1970. [PMID: 33027891 PMCID: PMC7600772 DOI: 10.3390/nano10101970] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/25/2020] [Accepted: 09/28/2020] [Indexed: 01/19/2023]
Abstract
Biodegradable natural polymers have been investigated extensively as the best choice for encapsulation and delivery of drugs. The research has attracted remarkable attention in the pharmaceutical industry. The shortcomings of conventional dosage systems, along with modified and targeted drug delivery methods, are addressed by using polymers with improved bioavailability, biocompatibility, and lower toxicity. Therefore, nanomedicines are now considered to be an innovative type of medication. This review critically examines the use of natural biodegradable polymers and their drug delivery systems for local or targeted and controlled/sustained drug release against fatal diseases.
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Affiliation(s)
- Humaira Idrees
- Department of Polymer Engineering and Technology, University of the Punjab, Lahore 54590, Pakistan; (A.S.); (R.U.K.)
| | - Syed Zohaib Javaid Zaidi
- Institute of Chemical Engineering and Technology, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Aneela Sabir
- Department of Polymer Engineering and Technology, University of the Punjab, Lahore 54590, Pakistan; (A.S.); (R.U.K.)
| | - Rafi Ullah Khan
- Department of Polymer Engineering and Technology, University of the Punjab, Lahore 54590, Pakistan; (A.S.); (R.U.K.)
- Institute of Chemical Engineering and Technology, University of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Xunli Zhang
- Mechanical Engineering, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO17 1BJ, UK;
| | - Sammer-ul Hassan
- Mechanical Engineering, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO17 1BJ, UK;
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9
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Vázquez-González M, Willner I. Stimuli-Responsive Biomolecule-Based Hydrogels and Their Applications. Angew Chem Int Ed Engl 2020; 59:15342-15377. [PMID: 31730715 DOI: 10.1002/anie.201907670] [Citation(s) in RCA: 184] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 10/10/2019] [Indexed: 12/16/2022]
Abstract
This Review presents polysaccharides, oligosaccharides, nucleic acids, peptides, and proteins as functional stimuli-responsive polymer scaffolds that yield hydrogels with controlled stiffness. Different physical or chemical triggers can be used to structurally reconfigure the crosslinking units and control the stiffness of the hydrogels. The integration of stimuli-responsive supramolecular complexes and stimuli-responsive biomolecular units as crosslinkers leads to hybrid hydrogels undergoing reversible triggered transitions across different stiffness states. Different applications of stimuli-responsive biomolecule-based hydrogels are discussed. The assembly of stimuli-responsive biomolecule-based hydrogel films on surfaces and their applications are discussed. The coating of drug-loaded nanoparticles with stimuli-responsive hydrogels for controlled drug release is also presented.
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Affiliation(s)
| | - Itamar Willner
- Institute of Chemistry, Hebrew University of Jerusalem, Jerusalem, 91904, Israel
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10
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Vázquez‐González M, Willner I. Stimuliresponsive, auf Biomolekülen basierende Hydrogele und ihre Anwendungen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201907670] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Itamar Willner
- Institute of Chemistry Hebrew University of Jerusalem Jerusalem 91904 Israel
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11
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Gao X, Yu Z, Liu B, Yang J, Yang X, Yu Y. A smart drug delivery system responsive to pH/enzyme stimuli based on hydrophobic modified sodium alginate. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109779] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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12
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Yang K, Yin X, Yan Y, Luo G, Xu M, Pi P, Xu S, Wen X. Fast near infrared light response hydrogel as medical dressing for wound healing. J Appl Polym Sci 2020. [DOI: 10.1002/app.49309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kai Yang
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
| | - Xinyu Yin
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
| | - Yuanyang Yan
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
| | - Guanzhou Luo
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
| | - Mengyi Xu
- School of Chemical Engineering and TechnologyGuangdong Industry Polytechnic Guangzhou China
| | - Pihui Pi
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
| | - Shouping Xu
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
| | - Xiufang Wen
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of Technology Guangzhou China
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13
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Lei K, Li Z, Zhu D, Sun C, Sun Y, Yang C, Zheng Z, Wang X. Polysaccharide-based recoverable double-network hydrogel with high strength and self-healing properties. J Mater Chem B 2020; 8:794-802. [PMID: 31904754 DOI: 10.1039/c9tb01679a] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Polysaccharide-based hydrogels (PSBHs) have received significant attention for numerous bio-applications due to their biocompatibility and non-immunogenic performance. However, the construction of PSBH with superior mechanical properties by a simple method is rarely adequately researched. This study focuses on the construction of a novel PSBH with superior mechanical and recoverable properties by integrating the synergistic and complementary interactions of covalent bond-associated oxidized sodium alginate (SA-CHO) gel and hydrogen bond-associated agarose (Aga) gel. With the synergy and complementarity of the SA-CHO and Aga networks, the hydrogel exhibited 17 and 15 times (20 and 9 times) greater compressive stress and modulus, respectively, compared with the SA-CHO gel (Aga gel). The hydrogel also displayed excellent fatigue resistance, recurrent shapeability, acid resistance and recovery ability, as well as self-healing ability. This study provides a unique perspective for enhancing the mechanical properties of PSBH through the synergy and complementarity of different kinds of polysaccharides without sacrificing the functionality of the PSBH.
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Affiliation(s)
- Kun Lei
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Zhao Li
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Dandan Zhu
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Chengyuan Sun
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yunlong Sun
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Chongchong Yang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Zhen Zheng
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Xinling Wang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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14
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Fabra MJ, Pérez-Bassart Z, Talens-Perales D, Martínez-Sanz M, López-Rubio A, Marín-Navarro J, Polaina J. Matryoshka enzyme encapsulation: Development of zymoactive hydrogel particles with efficient lactose hydrolysis capability. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.05.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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15
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Jung D, Lee KM, Chang JY, Yun M, Choi HJ, Kim YA, Yoon H, Kim H. Selective De-Cross-Linking of Transformable, Double-Network Hydrogels: Preparation, Structural Conversion, and Controlled Release. ACS APPLIED MATERIALS & INTERFACES 2018; 10:42985-42991. [PMID: 30431252 DOI: 10.1021/acsami.8b14528] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
This study has demonstrated the design of stimuli-responsive double-network hydrogels that are formed by sequential polymerization and show chemical transformation by selective de-cross-linking without structural failure owing to chemical orthogonality. Each self-immolative and thermoresponsive network established together the double-network structure through a thiol-ene click reaction and radical polymerization. The hydrogel exhibited enhanced mechanical strength but chemically transformed through the selective de-cross-linking of specific network triggered by a molecular stimulus, which significantly alters physical properties of the material such as tunable toughness and lower critical solution temperature behavior. In addition, the material displayed a thermoresponsive, controlled release. Only after treatment with the stimulus did the hydrogel release cargo molecules on demand via de-cross-linking while maintaining the entire structure.
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Affiliation(s)
- Doyoung Jung
- Alan G. MacDiarmid Energy Research Institute, School of Polymer Science and Engineering , Chonnam National University , 77 Yongbong-ro , Buk-gu, Gwangju 61186 , Korea
| | - Kyoung Min Lee
- Alan G. MacDiarmid Energy Research Institute, School of Polymer Science and Engineering , Chonnam National University , 77 Yongbong-ro , Buk-gu, Gwangju 61186 , Korea
- Department of Materials Science and Engineering , Seoul National University , 1 Gwanak-ro , Gwanak-gu, Seoul 08826 , Korea
| | - Ji Young Chang
- Department of Materials Science and Engineering , Seoul National University , 1 Gwanak-ro , Gwanak-gu, Seoul 08826 , Korea
| | - Misun Yun
- Microbiology and Functionality Research Group , World Institute of Kimchi , 86 Kimchi-ro , Gwangju 61755 , Korea
| | - Hak-Jong Choi
- Microbiology and Functionality Research Group , World Institute of Kimchi , 86 Kimchi-ro , Gwangju 61755 , Korea
| | - Yoong Ahm Kim
- Alan G. MacDiarmid Energy Research Institute, School of Polymer Science and Engineering , Chonnam National University , 77 Yongbong-ro , Buk-gu, Gwangju 61186 , Korea
| | - Hyeonseok Yoon
- Alan G. MacDiarmid Energy Research Institute, School of Polymer Science and Engineering , Chonnam National University , 77 Yongbong-ro , Buk-gu, Gwangju 61186 , Korea
| | - Hyungwoo Kim
- Alan G. MacDiarmid Energy Research Institute, School of Polymer Science and Engineering , Chonnam National University , 77 Yongbong-ro , Buk-gu, Gwangju 61186 , Korea
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16
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Liu Z, Wei J, Faraj Y, Ju XJ, Xie R, Wang W, Chu LY. Smart hydrogels: Network design and emerging applications. CAN J CHEM ENG 2018. [DOI: 10.1002/cjce.23328] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Zhuang Liu
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 China
| | - Jie Wei
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
| | - Yousef Faraj
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
| | - Xiao-Jie Ju
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 China
| | - Rui Xie
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 China
| | - Wei Wang
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 China
| | - Liang-Yin Chu
- School of Chemical Engineering; Sichuan University; Chengdu Sichuan 610065 China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu Sichuan 610065 China
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17
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Yang G, Wan X, Gu Z, Zeng X, Tang J. Near infrared photothermal-responsive poly(vinyl alcohol)/black phosphorus composite hydrogels with excellent on-demand drug release capacity. J Mater Chem B 2018; 6:1622-1632. [DOI: 10.1039/c7tb03090h] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Novel PVA/pBP hydrogels with highly effective NIR-responsive drug release performance, robust mechanical properties and good biocompatibility were prepared.
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Affiliation(s)
- Guanghui Yang
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
- P. R. China
| | - Xuejuan Wan
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
- P. R. China
| | - Zhipeng Gu
- Department of Biomedical Engineering
- Sun Yat-Sen University
- Guangzhou 510006
- P. R. China
| | - Xierong Zeng
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
- P. R. China
| | - Jiaoning Tang
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
- P. R. China
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18
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Yang C, Liu Z, Chen C, Shi K, Zhang L, Ju XJ, Wang W, Xie R, Chu LY. Reduced Graphene Oxide-Containing Smart Hydrogels with Excellent Electro-Response and Mechanical Properties for Soft Actuators. ACS APPLIED MATERIALS & INTERFACES 2017; 9:15758-15767. [PMID: 28425695 DOI: 10.1021/acsami.7b01710] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A novel reduced graphene oxide/poly(2-acrylamido-2-methylpropanesulfonic acid-co-acrylamide) (rGO/poly(AMPS-co-AAm)) nanocomposite hydrogel that possesses excellent electro-response and mechanical properties has been successfully developed. The rGO nanosheets that homogeneously dispersed in the hydrogels could provide prominent conductive platforms for promoting the ion transport inside the hydrogels to generate significant osmotic pressure between the outside and inside of such nanocomposite hydrogels. Thus, the electro-responsive rate and degree of the hydrogel for both deswelling and bending performances become rapid and remarkable. Moreover, the enhanced mechanical properties including both the tensile strength and compressive strength of rGO/poly(AMPS-co-AAm) hydrogels are improved by the hydrogen-bond interactions between the rGO nanosheets and polymer chains, which could dissipate the strain energy in the polymeric networks of the hydrogels. The proposed rGO/poly(AMPS-co-AAm) nanocomposite hydrogels with improved mechanical properties exhibit rapid, significant, and reversible electro-response, which show great potential for developing remotely controlled electro-responsive hydrogel systems, such as smart actuators and soft manipulators.
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Affiliation(s)
- Chao Yang
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Zhuang Liu
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Chen Chen
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Kun Shi
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Lei Zhang
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Xiao-Jie Ju
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Wei Wang
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Rui Xie
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
| | - Liang-Yin Chu
- School of Chemical Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu, Sichuan 610065, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing, Jiangsu 211816, P. R. China
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19
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Yassine O, Zaher A, Li EQ, Alfadhel A, Perez JE, Kavaldzhiev M, Contreras MF, Thoroddsen ST, Khashab NM, Kosel J. Highly Efficient Thermoresponsive Nanocomposite for Controlled Release Applications. Sci Rep 2016; 6:28539. [PMID: 27335342 PMCID: PMC4917869 DOI: 10.1038/srep28539] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Accepted: 06/06/2016] [Indexed: 01/02/2023] Open
Abstract
Highly efficient magnetic release from nanocomposite microparticles is shown, which are made of Poly (N-isopropylacrylamide) hydrogel with embedded iron nanowires. A simple microfluidic technique was adopted to fabricate the microparticles with a high control of the nanowire concentration and in a relatively short time compared to chemical synthesis methods. The thermoresponsive microparticles were used for the remotely triggered release of Rhodamine (B). With a magnetic field of only 1 mT and 20 kHz a drug release of 6.5% and 70% was achieved in the continuous and pulsatile modes, respectively. Those release values are similar to the ones commonly obtained using superparamagnetic beads but accomplished with a magnetic field of five orders of magnitude lower power. The high efficiency is a result of the high remanent magnetization of the nanowires, which produce a large torque when exposed to a magnetic field. This causes the nanowires to vibrate, resulting in friction losses and heating. For comparison, microparticles with superparamagnetic beads were also fabricated and tested; while those worked at 73 mT and 600 kHz, no release was observed at the low field conditions. Cytotoxicity assays showed similar and high cell viability for microparticles with nanowires and beads.
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Affiliation(s)
- Omar Yassine
- Computer, Electrical and Mathematical Sciences & Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Amir Zaher
- School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC, V1V 1V7, Canada
| | - Er Qiang Li
- Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Ahmed Alfadhel
- Computer, Electrical and Mathematical Sciences & Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Jose E. Perez
- Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Mincho Kavaldzhiev
- Computer, Electrical and Mathematical Sciences & Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Maria F. Contreras
- Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Sigurdur T. Thoroddsen
- Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Niveen M. Khashab
- Smart Hybrid Materials Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Jurgen Kosel
- Computer, Electrical and Mathematical Sciences & Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
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20
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Highley CB, Kim M, Lee D, Burdick JA. Near-infrared light triggered release of molecules from supramolecular hydrogel-nanorod composites. Nanomedicine (Lond) 2016; 11:1579-90. [PMID: 27176049 DOI: 10.2217/nnm-2016-0070] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
AIM To develop a stimulus-responsive material platform capable of releasing entrapped molecules in response to near infrared (NIR) light. MATERIALS & METHODS Gold nanorods were mixed with hyaluronic acid derivatives modified with β-cyclodextrin or adamantane to create a NIR-responsive hydrogel-nanorod composite. Microfluidics were used to create responsive microgels and NIR-triggered release was evaluated. RESULTS & DISCUSSION The hydrogel-nanorod composite material exhibited a rapid response to NIR-irradiation, allowing enhanced release of encapsulated payloads with material heating and network disruption. The release was dependent on the entrapped molecule size, the NIR exposure time and the light intensity. CONCLUSION NIR irradiation of hydrogel-nanorods leads to plasmonic heating and triggered release of encapsulated molecules, a system that has potential for light-triggered release of therapeutics.
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Affiliation(s)
- Christopher B Highley
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Miju Kim
- Department of Chemical & Biomolecular Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Daeyeon Lee
- Department of Chemical & Biomolecular Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
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21
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Zhao F, Yao D, Guo R, Deng L, Dong A, Zhang J. Composites of Polymer Hydrogels and Nanoparticulate Systems for Biomedical and Pharmaceutical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2015; 5:2054-2130. [PMID: 28347111 PMCID: PMC5304774 DOI: 10.3390/nano5042054] [Citation(s) in RCA: 198] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 11/18/2015] [Accepted: 11/20/2015] [Indexed: 12/25/2022]
Abstract
Due to their unique structures and properties, three-dimensional hydrogels and nanostructured particles have been widely studied and shown a very high potential for medical, therapeutic and diagnostic applications. However, hydrogels and nanoparticulate systems have respective disadvantages that limit their widespread applications. Recently, the incorporation of nanostructured fillers into hydrogels has been developed as an innovative means for the creation of novel materials with diverse functionality in order to meet new challenges. In this review, the fundamentals of hydrogels and nanoparticles (NPs) were briefly discussed, and then we comprehensively summarized recent advances in the design, synthesis, functionalization and application of nanocomposite hydrogels with enhanced mechanical, biological and physicochemical properties. Moreover, the current challenges and future opportunities for the use of these promising materials in the biomedical sector, especially the nanocomposite hydrogels produced from hydrogels and polymeric NPs, are discussed.
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Affiliation(s)
- Fuli Zhao
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Dan Yao
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Ruiwei Guo
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Liandong Deng
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Anjie Dong
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Jianhua Zhang
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
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Hsu MN, Luo R, Kwek KZ, Por YC, Zhang Y, Chen CH. Sustained release of hydrophobic drugs by the microfluidic assembly of multistage microgel/poly (lactic-co-glycolic acid) nanoparticle composites. BIOMICROFLUIDICS 2015; 9:052601. [PMID: 25825623 PMCID: PMC4376756 DOI: 10.1063/1.4916230] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Accepted: 03/04/2015] [Indexed: 05/05/2023]
Abstract
The poor solubility of many newly discovered drugs has resulted in numerous challenges for the time-controlled release of therapeutics. In this study, an advanced drug delivery platform to encapsulate and deliver hydrophobic drugs, consisting of poly (lactic-co-glycolic acid) (PLGA) nanoparticles incorporated within poly (ethylene glycol) (PEG) microgels, was developed. PLGA nanoparticles were used as the hydrophobic drug carrier, while the PEG matrix functioned to slow down the drug release. Encapsulation of the hydrophobic agents was characterized by fluorescence detection of the hydrophobic dye Nile Red within the microgels. In addition, the microcomposites prepared via the droplet-based microfluidic technology showed size tunability and a monodisperse size distribution, along with improved release kinetics of the loaded cargo compared with bare PLGA nanoparticles. This composite system has potential as a universal delivery platform for a variety of hydrophobic molecules.
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Affiliation(s)
| | - Rongcong Luo
- Department of Biomedical Engineering, National University of Singapore , Singapore 117575
| | - Kerwin Zeming Kwek
- Department of Biomedical Engineering, National University of Singapore , Singapore 117575
| | - Yong Chen Por
- Department of Plastic, Reconstructive and Aesthetic Surgery, KK Women's and Children's Hospital , Singapore 229899
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Thoniyot P, Tan MJ, Karim AA, Young DJ, Loh XJ. Nanoparticle-Hydrogel Composites: Concept, Design, and Applications of These Promising, Multi-Functional Materials. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2015; 2:1400010. [PMID: 27980900 PMCID: PMC5115280 DOI: 10.1002/advs.201400010] [Citation(s) in RCA: 431] [Impact Index Per Article: 47.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Indexed: 05/19/2023]
Abstract
New technologies rely on the development of new materials, and these may simply be the innovative combination of known components. The structural combination of a polymer hydrogel network with a nanoparticle (metals, non-metals, metal oxides, and polymeric moieties) holds the promise of providing superior functionality to the composite material with applications in diverse fields, including catalysis, electronics, bio-sensing, drug delivery, nano-medicine, and environmental remediation. This mixing may result in a synergistic property enhancement of each component: for example, the mechanical strength of the hydrogel and concomitantly decrease aggregation of the nanoparticles. These mutual benefits and the associated potential applications have seen a surge of interest in the past decade from multi-disciplinary research groups. Recent advances in nanoparticle-hydrogel composites are herein reviewed with a focus on their synthesis, design, potential applications, and the inherent challenges accompanying these exciting materials.
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Affiliation(s)
- Praveen Thoniyot
- Institute of Materials Research and Engineering 3 Research Link Singapore 117602 Singapore
| | - Mein Jin Tan
- Institute of Materials Research and Engineering 3 Research Link Singapore 117602 Singapore
| | - Anis Abdul Karim
- Institute of Materials Research and Engineering 3 Research Link Singapore 117602 Singapore
| | - David James Young
- Institute of Materials Research and Engineering 3 Research Link Singapore 117602 Singapore; School of Science Monash University Malaysia Bandar Sunway 47500 Malaysia
| | - Xian Jun Loh
- Institute of Materials Research and Engineering 3 Research Link Singapore 117602 Singapore; Department of Materials Science and Engineering National University of Singapore 9 Engineering Drive 1 Singapore 117576 Singapore
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24
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Luo R, Chen CH. A one-step hydrothermal route to programmable stimuli-responsive hydrogels. Chem Commun (Camb) 2015; 51:6617-20. [DOI: 10.1039/c4cc10342d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
An effective one-step hydrothermal route to program the structure, swelling and responsiveness properties of stimuli-responsive hydrogels is developed.
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Affiliation(s)
- Rongcong Luo
- Department of Biomedical Engineering
- Singapore Institute for Neurotechnology
- National University of Singapore
- Singapore 117575
| | - Chia-Hung Chen
- Department of Biomedical Engineering
- Singapore Institute for Neurotechnology
- National University of Singapore
- Singapore 117575
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25
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Jiang D, Wang G, Zheng F, Han J, Wu X. Novel thermo-sensitive hydrogels containing polythioether dendrons: facile tuning of LCSTs, strong absorption of Ag ions, and embedment of smaller Ag nanocrystals. Polym Chem 2015. [DOI: 10.1039/c4py01158a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Polythioether dendrons made tuning of the LCST of a thermo-sensitive hydrogel facile and the size of loaded Ag nanocrystals much smaller.
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Affiliation(s)
- Daoyi Jiang
- Key Laboratory of Marine New Materials and Related Technology
- Zhejiang Key Laboratory of Marine Materials and Protection Technology
- Ningbo Institute of Material Technology & Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Gang Wang
- Key Laboratory of Marine New Materials and Related Technology
- Zhejiang Key Laboratory of Marine Materials and Protection Technology
- Ningbo Institute of Material Technology & Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Feng Zheng
- Key Laboratory of Marine New Materials and Related Technology
- Zhejiang Key Laboratory of Marine Materials and Protection Technology
- Ningbo Institute of Material Technology & Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Jin Han
- Key Laboratory of Marine New Materials and Related Technology
- Zhejiang Key Laboratory of Marine Materials and Protection Technology
- Ningbo Institute of Material Technology & Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Xuedong Wu
- Key Laboratory of Marine New Materials and Related Technology
- Zhejiang Key Laboratory of Marine Materials and Protection Technology
- Ningbo Institute of Material Technology & Engineering
- Chinese Academy of Sciences
- Ningbo
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