1
|
Zhai Z, Zhou Y, Sarkar I, Liu Y, Yao Y, Zhang J, Bortner MJ, Matson JB, Johnson BN, Edgar KJ. Synthesis and real-time characterization of self-healing, injectable, fast-gelling hydrogels based on alginate multi-reducing end polysaccharides (MREPs). Carbohydr Polym 2024; 338:122172. [PMID: 38763719 DOI: 10.1016/j.carbpol.2024.122172] [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: 09/01/2023] [Revised: 04/13/2024] [Accepted: 04/15/2024] [Indexed: 05/21/2024]
Abstract
Polysaccharide-based hydrogels are promising for many biomedical applications including drug delivery, wound healing, and tissue engineering. We illustrate herein self-healing, injectable, fast-gelling hydrogels prepared from multi-reducing end polysaccharides, recently introduced by the Edgar group. Simple condensation of reducing ends from multi-reducing end alginate (M-Alg) with amines from polyethylene imine (PEI) in water affords a dynamic, hydrophilic polysaccharide network. Trace amounts of acetic acid can accelerate the gelation time from hours to seconds. The fast-gelation behavior is driven by rapid Schiff base formation and strong ionic interactions induced by acetic acid. A cantilever rheometer enables real-time monitoring of changes in viscoelastic properties during hydrogel formation. The reversible nature of these crosslinks (imine bonds, ionic interactions) provides a hydrogel with low toxicity in cell studies as well as self-healing and injectable properties. Therefore, the self-healing, injectable, and fast-gelling M-Alg/PEI hydrogel holds substantial promise for biomedical, agricultural, controlled release, and other applications.
Collapse
Affiliation(s)
- Zhenghao Zhai
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States
| | - Yang Zhou
- Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, VA 24061, United States
| | - Ishani Sarkar
- Department of Chemistry, Virginia Tech, Blacksburg, VA 24061, United States
| | - Yang Liu
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States
| | - Yimin Yao
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States; Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, United States
| | - Junru Zhang
- Department of Industrial & Systems Engineering, Virginia Tech, Blacksburg, VA 24061, United States
| | - Michael J Bortner
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States; Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, United States
| | - John B Matson
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States; Department of Chemistry, Virginia Tech, Blacksburg, VA 24061, United States
| | - Blake N Johnson
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States; Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, United States; Department of Industrial & Systems Engineering, Virginia Tech, Blacksburg, VA 24061, United States
| | - Kevin J Edgar
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States; Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, VA 24061, United States.
| |
Collapse
|
2
|
Wang Y, Sheng N, Wang A, Wang M, Xu Y, Lu D, Liu W, Li Z, Li J, Sun J, Luo F. Injectable thermogel constructed from self-assembled polyurethane micelle networks for 3D cell culture and wound treatment. J Mater Chem B 2024; 12:6063-6078. [PMID: 38888153 DOI: 10.1039/d4tb00771a] [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: 06/20/2024]
Abstract
Injectable hydrogels have attracted significant interest in the biomedical field due to their minimal invasiveness and accommodation of intricate scenes. Herein, we developed an injectable polyurethane-based thermogel platform by modulating the hydrophilic-hydrophobic balance of the segmented components with pendant PEG. The thermogelling behavior is achieved by a combination of the bridging from the hydrophilic PEG and the percolated network from the hydrophobic micelle core. Firstly, the thermogelation mechanism of this system was demonstrated by both DPD simulation and experimental investigation. The gelling temperature could be modulated by varying the solid content, the component of soft segments, and the length of the pendant PEG. We further applied 3D printing technology to prepare personalized hydrogel structures. This integration highlights the adaptability of our thermogel for fabricating complex and patient-specific constructs, presenting a significant advance in the field of regenerative medicine and tissue engineering. Subsequently, in vitro cell experiments demonstrated that the thermogel had good cell compatibility and could promote the proliferation and migration of L929 cells. Impressively, A549 cells could be expediently in situ parceled in the thermogel for three-dimensional cultivation and gain lifeful 3D cell spheres after 7 days. Further, in vivo experiments demonstrated that the thermogel could promote wound healing with the regeneration of capillaries and hair follicles. Ultimately, our study demonstrates the potential of hydrogels to prepare personalized hydrogel structures via 3D printing technology, offering innovative solutions for complex biomedical applications. This work not only provides a fresh perspective for the design of injectable thermogels but also offers a promising avenue to develop thermoresponsive waterborne polyurethane for various medical applications.
Collapse
Affiliation(s)
- Yanjun Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Nan Sheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Ao Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Min Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Yuanyang Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Dan Lu
- Department of Otorhinolaryngology, Head & Neck Surgery, West China Hospital, Sichuan University, Sichuan, Chengdu 610065, China
| | - Wenkai Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Zhen Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Jiehua Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| | - Jianhui Sun
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China.
| | - Feng Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X Center for Materials, Sichuan University, Chengdu 610065, China.
| |
Collapse
|
3
|
Pandya I, Kumar S, Aswal VK, El Seoud O, Assiri MA, Malek N. Metal organic framework-based polymeric hydrogel: A promising drug delivery vehicle for the treatment of breast cancer. Int J Pharm 2024; 658:124206. [PMID: 38734276 DOI: 10.1016/j.ijpharm.2024.124206] [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: 02/14/2024] [Revised: 05/04/2024] [Accepted: 05/04/2024] [Indexed: 05/13/2024]
Abstract
The constraints associated with current cancer therapies have inspired scientists to develop advanced, precise, and safe drug delivery methods. These delivery systems boost treatment effectiveness, minimize harm to healthy cells, and combat cancer recurrence. To design advanced drug delivery vehicle with these character, in the present manuscript, we have designed a self-healing and injectable hybrid hydrogel through synergistically interacting metal organic framework, CuBTC with the poly(vinyl alcohol) (PVA). This hybrid hydrogel acts as a localized drug delivery system and was used to encapsulate and release the anticancer drug 5-Fluorouracil selectively at the targeted site in response to the physiological pH. The hydrogel was formed through transforming the gaussian coil like matrix of PVA-CuBTC into a three-dimensional network of hydrogel upon the addition of crosslinker; borax. The biocompatible character of the hydrogel was confirmed through cell viability test. The biocompatible hybrid hydrogel then was used to encapsulate and studied for the pH responsive release behavior of the anti-cancer drug, 5-FU. The in vitro cytotoxicity of the drug-loaded hydrogel was evaluated against MCF-7 and HeLa cells. The study confirms that the hybrid hydrogel is effective for targeted and sustained release of anticancer drugs at cancer sites.
Collapse
Affiliation(s)
- Ishani Pandya
- Ionic Liquids Research Laboratory, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India
| | - Sugam Kumar
- Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Vinod K Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Omar El Seoud
- Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, SP, Brazil
| | - Mohammed A Assiri
- Chemistry Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Naved Malek
- Ionic Liquids Research Laboratory, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India; Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, SP, Brazil.
| |
Collapse
|
4
|
Mashaqbeh H, Al-Ghzawi B, BaniAmer F. Exploring the Formulation and Approaches of Injectable Hydrogels Utilizing Hyaluronic Acid in Biomedical Uses. Adv Pharmacol Pharm Sci 2024; 2024:3869387. [PMID: 38831895 PMCID: PMC11147673 DOI: 10.1155/2024/3869387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/25/2023] [Accepted: 05/11/2024] [Indexed: 06/05/2024] Open
Abstract
The characteristics of injectable hydrogels make them a prime contender for various biomedical applications. Hyaluronic acid is an essential component of the matrix surrounding the cells; moreover, hyaluronic acid's structural and biochemical characteristics entice researchers to develop injectable hydrogels for various applications. However, due to its poor mechanical properties, several strategies are used to produce injectable hyaluronic acid hydrogel. This review summarizes published studies on the production of injectable hydrogels based on hyaluronic acid polysaccharide polymers and the biomedical field's applications for these hydrogel systems. Hyaluronic acid-based hydrogels are divided into two categories based on their injectability mechanisms: in situ-forming injectable hydrogels and shear-thinning injectable hydrogels. Many crosslinking methods are used to create injectable hydrogels; chemical crosslinking techniques are the most frequently investigated technique. Hybrid injectable hydrogel systems are widely investigated by blending hyaluronic acid with other polymers or nanoparticulate systems. Injectable hyaluronic acid hydrogels were thoroughly investigated and proven to demonstrate potential in various medical fields, including delivering drugs and cells, tissue repair, and wound dressings.
Collapse
Affiliation(s)
- Hadeia Mashaqbeh
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Yarmouk University, Irbid, Jordan
| | - Batool Al-Ghzawi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Fatima BaniAmer
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| |
Collapse
|
5
|
Ghosh S, Ghosh S, Sharma H, Bhaskar R, Han SS, Sinha JK. Harnessing the power of biological macromolecules in hydrogels for controlled drug release in the central nervous system: A review. Int J Biol Macromol 2024; 254:127708. [PMID: 37923043 DOI: 10.1016/j.ijbiomac.2023.127708] [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: 05/31/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/07/2023]
Abstract
Hydrogels have immense potential in revolutionizing central nervous system (CNS) drug delivery, improving outcomes for neurological disorders. They serve as promising tools for controlled drug delivery to the CNS. Available hydrogel types include natural macromolecules (e.g., chitosan, hyaluronic acid, alginate), as well as hybrid hydrogels combining natural and synthetic polymers. Each type offers distinct advantages in terms of biocompatibility, mechanical properties, and drug release kinetics. Design and engineering considerations encompass hydrogel composition, crosslinking density, porosity, and strategies for targeted drug delivery. The review emphasizes factors affecting drug release profiles, such as hydrogel properties and formulation parameters. CNS drug delivery applications of hydrogels span a wide range of therapeutics, including small molecules, proteins and peptides, and nucleic acids. However, challenges like limited biodegradability, clearance, and effective CNS delivery persist. Incorporating 3D bioprinting technology with hydrogel-based CNS drug delivery holds the promise of highly personalized and precisely controlled therapeutic interventions for neurological disorders. The review explores emerging technologies like 3D bioprinting and nanotechnology as opportunities for enhanced precision and effectiveness in hydrogel-based CNS drug delivery. Continued research, collaboration, and technological advancements are vital for translating hydrogel-based therapies into clinical practice, benefiting patients with CNS disorders. This comprehensive review article delves into hydrogels for CNS drug delivery, addressing their types, design principles, applications, challenges, and opportunities for clinical translation.
Collapse
Affiliation(s)
- Shampa Ghosh
- GloNeuro, Sector 107, Vishwakarma Road, Noida, Uttar Pradesh 201301, India; ICMR - National Institute of Nutrition, Tarnaka, Hyderabad, Telangana 500007, India
| | - Soumya Ghosh
- GloNeuro, Sector 107, Vishwakarma Road, Noida, Uttar Pradesh 201301, India
| | - Hitaishi Sharma
- GloNeuro, Sector 107, Vishwakarma Road, Noida, Uttar Pradesh 201301, India
| | - Rakesh Bhaskar
- School of Chemical Engineering, Yeungnam University, Gyeonsang 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeonsang 38541, Republic of Korea.
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeonsang 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeonsang 38541, Republic of Korea.
| | | |
Collapse
|
6
|
Aliabadi A, Hasannia M, Vakili-Azghandi M, Araste F, Abnous K, Taghdisi SM, Ramezani M, Alibolandi M. Synthesis approaches of amphiphilic copolymers for spherical micelle preparation: application in drug delivery. J Mater Chem B 2023; 11:9325-9368. [PMID: 37706425 DOI: 10.1039/d3tb01371e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
The formation of polymeric micelles in aqueous environments through the self-assembly of amphiphilic polymers can provide a versatile platform to increase the solubility and permeability of hydrophobic drugs and pave the way for their administration. In comparison to various self-assembly-based vehicles, polymeric micelles commonly have a smaller size, spherical morphology, and simpler scale up process. The use of polymer-based micelles for the encapsulation and carrying of therapeutics to the site of action triggered a line of research on the synthesis of various amphiphilic polymers in the past few decades. The extended knowledge on polymers includes biocompatible smart amphiphilic copolymers for the formation of micelles, therapeutics loading and response to external stimuli, micelles with a tunable drug release pattern, etc. Different strategies such as ring-opening polymerization, atom transfer radical polymerization, reversible addition-fragmentation chain-transfer, nitroxide mediated polymerization, and a combination of these methods were employed to synthesize copolymers with diverse compositions and topologies with the proficiency of self-assembly into well-defined micellar structures. The current review provides a summary of the important polymerization techniques and recent achievements in the field of drug delivery using micellar systems. This review proposes new visions for the design and synthesis of innovative potent amphiphilic polymers in order to benefit from their application in drug delivery fields.
Collapse
Affiliation(s)
- Ali Aliabadi
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
- Medicinal Chemistry Department, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maliheh Hasannia
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Masoume Vakili-Azghandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Fatemeh Araste
- Department of Medical Biotechnology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Biotechnology Department, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- Pharmaceutical Biotechnology Department, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- Pharmaceutical Biotechnology Department, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| |
Collapse
|
7
|
Merotto E, Pavan PG, Piccoli M. Three-Dimensional Bioprinting of Naturally Derived Hydrogels for the Production of Biomimetic Living Tissues: Benefits and Challenges. Biomedicines 2023; 11:1742. [PMID: 37371837 DOI: 10.3390/biomedicines11061742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/07/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023] Open
Abstract
Three-dimensional bioprinting is the process of manipulating cell-laden bioinks to fabricate living structures. Three-dimensional bioprinting techniques have brought considerable innovation in biomedicine, especially in the field of tissue engineering, allowing the production of 3D organ and tissue models for in vivo transplantation purposes or for in-depth and precise in vitro analyses. Naturally derived hydrogels, especially those obtained from the decellularization of biological tissues, are promising bioinks for 3D printing purposes, as they present the best biocompatibility characteristics. Despite this, many natural hydrogels do not possess the necessary mechanical properties to allow a simple and immediate application in the 3D printing process. In this review, we focus on the bioactive and mechanical characteristics that natural hydrogels may possess to allow efficient production of organs and tissues for biomedical applications, emphasizing the reinforcement techniques to improve their biomechanical properties.
Collapse
Affiliation(s)
- Elena Merotto
- Tissue Engineering Lab, Istituto di Ricerca Pediatrica Città della Speranza, Corso Statu Uniti 4, 35127 Padova, Italy
- Department of Industrial Engineering, University of Padova, Via Gradenigo 6a, 35129 Padova, Italy
| | - Piero G Pavan
- Tissue Engineering Lab, Istituto di Ricerca Pediatrica Città della Speranza, Corso Statu Uniti 4, 35127 Padova, Italy
- Department of Industrial Engineering, University of Padova, Via Gradenigo 6a, 35129 Padova, Italy
| | - Martina Piccoli
- Tissue Engineering Lab, Istituto di Ricerca Pediatrica Città della Speranza, Corso Statu Uniti 4, 35127 Padova, Italy
| |
Collapse
|
8
|
Hasanzadeh E, Seifalian A, Mellati A, Saremi J, Asadpour S, Enderami SE, Nekounam H, Mahmoodi N. Injectable hydrogels in central nervous system: Unique and novel platforms for promoting extracellular matrix remodeling and tissue engineering. Mater Today Bio 2023; 20:100614. [PMID: 37008830 PMCID: PMC10050787 DOI: 10.1016/j.mtbio.2023.100614] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/23/2023] [Accepted: 03/16/2023] [Indexed: 04/04/2023] Open
Abstract
Repairing central nervous system (CNS) is difficult due to the inability of neurons to recover after damage. A clinically acceptable treatment to promote CNS functional recovery and regeneration is currently unavailable. According to recent studies, injectable hydrogels as biodegradable scaffolds for CNS tissue engineering and regeneration have exceptionally desirable attributes. Hydrogel has a biomimetic structure similar to extracellular matrix, hence has been considered a 3D scaffold for CNS regeneration. An interesting new type of hydrogel, injectable hydrogels, can be injected into target areas with little invasiveness and imitate several aspects of CNS. Injectable hydrogels are being researched as therapeutic agents because they may imitate numerous properties of CNS tissues and hence reduce subsequent injury and regenerate neural tissue. Because of their less adverse effects and cost, easier use and implantation with less pain, and faster regeneration capacity, injectable hydrogels, are more desirable than non-injectable hydrogels. This article discusses the pathophysiology of CNS and the use of several kinds of injectable hydrogels for brain and spinal cord tissue engineering, paying particular emphasis to recent experimental studies.
Collapse
Affiliation(s)
- Elham Hasanzadeh
- Immunogenetics Research Center, Department of Tissue Engineering & Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
- Corresponding author. School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Valie-Asr Boulevard, Sari, Mazandaran, Iran.
| | - Alexander Seifalian
- Nanotechnology & Regenerative Medicine Commercialisation Centre (NanoRegMed Ltd, Nanoloom Ltd, & Liberum Health Ltd), London BioScience Innovation Centre, 2 Royal College Street, London, UK
| | - Amir Mellati
- Department of Tissue Engineering & Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
- Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Jamileh Saremi
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Shiva Asadpour
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Seyed Ehsan Enderami
- Immunogenetics Research Center, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Houra Nekounam
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Narges Mahmoodi
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Corresponding author. Sina Trauma and Surgery Research Center, Sina Hospital, Tehran University of Medical Sciences, Hasan-Abad Square, Imam Khomeini Ave., Tehran, 11365-3876, Iran.
| |
Collapse
|
9
|
Sun Q, Yao J, Zhang Z, Li J, Zhang X, Wang H, Du X, Li M, Zhao Y. Facile fabrication of biocompatible injectable blended polymeric hydrogel with bioactive nanoformulation to improving cardiac tissue regeneration efficiency after myocardial infarction for nursing care potential applications. Nanotoxicology 2023; 17:432-448. [PMID: 37724376 DOI: 10.1080/17435390.2023.2252921] [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: 03/29/2023] [Accepted: 08/17/2023] [Indexed: 09/20/2023]
Abstract
Recent years, cardiac vascular disease has arisen owing to acute myocardial infarction (MI) and heart failure leading to death worldwide. Various treatments are available for MI in modern medicine such as implantation of devices, pharmaceutical therapy, and transplantation of organs, nonetheless, it has many complications in finding an organ donor, devices for stenosis, high intrusiveness and long-time hospitalization. To overcome these problems, we have designed and developed a novel hydrogel material with a combination of Se NPs loaded poly(ethylene glycol)/tannic acid (PEG/TA) hydrogel for the treatment of acute MI repair. Herein, Se NPs were characterized by effective analytical and spectroscopic techniques. In vitro cell compatibility and anti-oxidant analyses were examined on human cardiomyocytes in different concentrations of Se NPs and appropriate Se NPs loaded hydrogel samples to demonstrate its greater suitability for in vivo cardiac applications. In vivo investigations of MI mice models injected with Se hydrogels established that LV wall thickness was conserved significantly from the value of 235.6 µm to 390 µm. In addition, the relative scar thickness (33.6%) and infarct size (17.1%) of the MI model were enormously reduced after injection of Se hydrogel when compared to the Se NPs and control (MI) sample, respectively, which confirmed that Se introduced hydrogel have greatly influenced on the restoration of the infarcted heart. Based on the investigated results of the nanoformulation samples, it could be a promising material for future generations treatment of acute myocardial infarction and cardiac repair applications.
Collapse
Affiliation(s)
- Qinqin Sun
- Department of Outpatient Center, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, TaiyuanChina
- Department of Outpatient Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Jia Yao
- Department of Gastroenterology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, P.R. China
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Zhijun Zhang
- Department of Cardiology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, P.R. China
- Department of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Juan Li
- Department of Outpatient Center, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, TaiyuanChina
- Department of Outpatient Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Xue Zhang
- Department of Surgery Center, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, P.R. China
- Department of Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Hui Wang
- Department of Anesthesiology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, P.R. China
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Xufang Du
- Department of Gastroenterology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, P.R. China
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Min Li
- Department of Breast Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, P.R. China
- Department of Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Ying Zhao
- Department of Outpatient Center, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, TaiyuanChina
- Department of Outpatient Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| |
Collapse
|
10
|
Liu Z, Zhang Y, Huang J, Wang Y, Kang X. In-situ formed thermosensitive hydrogel amplifies statin-mediated immune checkpoint blockade for coordinated tumor chemo-immunotherapy. Front Pharmacol 2023; 14:1154392. [PMID: 37229252 PMCID: PMC10204804 DOI: 10.3389/fphar.2023.1154392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/28/2023] [Indexed: 05/27/2023] Open
Abstract
Small molecule drugs are the next-generation of immune checkpoint inhibitors (ICIs), but their in vivo therapeutic outcomes remain unsatisfactory for a long time. Herein, we proposed a combinatory regimen that delivered a small molecule ICI and an immunogenic cell death inducer in an in-situ formed hydrogel scaffold based on thermosensitive materials (Pluronic F127). This platform increased the tumor retention of administrated small molecules, creating more opportunities for the interaction between drugs and tumor cells. We found that atorvastatin (ATO) effectively downregulated the expression of programmed death ligand 1 (PD-L1) and reversed compensative PD-L1 upregulation after cyclophosphamide (CTX) chemotherapy on CT26 colon tumors. CTX not only killed tumor cells to reduce the tumor burden, but also release damage-associated molecular patterns (DAMPs) to stimulate T cell immunity, therefore amplifying statin-mediated immunotherapy. The platform reported in this study might be promising to overcome the limitation of small molecule ICIs with short retention time and potentiate tumor chemo-immunotherapy.
Collapse
Affiliation(s)
- Zefan Liu
- *Correspondence: Zefan Liu, ; Xin Kang,
| | | | | | | | - Xin Kang
- *Correspondence: Zefan Liu, ; Xin Kang,
| |
Collapse
|
11
|
Namjoo AR, Abrbekoh FN, Saghati S, Amini H, Saadatlou MAE, Rahbarghazi R. Tissue engineering modalities in skeletal muscles: focus on angiogenesis and immunomodulation properties. Stem Cell Res Ther 2023; 14:90. [PMID: 37061717 PMCID: PMC10105969 DOI: 10.1186/s13287-023-03310-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/28/2023] [Indexed: 04/17/2023] Open
Abstract
Muscular diseases and injuries are challenging issues in human medicine, resulting in physical disability. The advent of tissue engineering approaches has paved the way for the restoration and regeneration of injured muscle tissues along with available conventional therapies. Despite recent advances in the fabrication, synthesis, and application of hydrogels in terms of muscle tissue, there is a long way to find appropriate hydrogel types in patients with congenital and/or acquired musculoskeletal injuries. Regarding specific muscular tissue microenvironments, the applied hydrogels should provide a suitable platform for the activation of endogenous reparative mechanisms and concurrently deliver transplanting cells and therapeutics into the injured sites. Here, we aimed to highlight recent advances in muscle tissue engineering with a focus on recent strategies related to the regulation of vascularization and immune system response at the site of injury.
Collapse
Affiliation(s)
- Atieh Rezaei Namjoo
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Sepideh Saghati
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hassan Amini
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- General and Vascular Surgery Department, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| |
Collapse
|
12
|
Rational Design of Hydrogels for Cationic Antimicrobial Peptide Delivery: A Molecular Modeling Approach. Pharmaceutics 2023; 15:pharmaceutics15020474. [PMID: 36839798 PMCID: PMC9966382 DOI: 10.3390/pharmaceutics15020474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
In light of the growing bacterial resistance to antibiotics and in the absence of the development of new antimicrobial agents, numerous antimicrobial delivery systems over the past decades have been developed with the aim to provide new alternatives to the antimicrobial treatment of infections. However, there are few studies that focus on the development of a rational design that is accurate based on a set of theoretical-computational methods that permit the prediction and the understanding of hydrogels regarding their interaction with cationic antimicrobial peptides (cAMPs) as potential sustained and localized delivery nanoplatforms of cAMP. To this aim, we employed docking and Molecular Dynamics simulations (MDs) that allowed us to propose a rational selection of hydrogel candidates based on the propensity to form intermolecular interactions with two types of cAMPs (MP-L and NCP-3a). For the design of the hydrogels, specific building blocks were considered, named monomers (MN), co-monomers (CM), and cross-linkers (CL). These building blocks were ranked by considering the interaction with two peptides (MP-L and NCP-3a) as receptors. The better proposed hydrogel candidates were composed of MN3-CM7-CL1 and MN4-CM5-CL1 termed HG1 and HG2, respectively. The results obtained by MDs show that the biggest differences between the hydrogels are in the CM, where HG2 has two carboxylic acids that allow the forming of greater amounts of hydrogen bonds (HBs) and salt bridges (SBs) with both cAMPs. Therefore, using theoretical-computational methods allowed for the obtaining of the best virtual hydrogel candidates according to affinity with the specific cAMP. In conclusion, this study showed that HG2 is the better candidate for future in vitro or in vivo experiments due to its possible capacity as a depot system and its potential sustained and localized delivery system of cAMP.
Collapse
|
13
|
Biswakarma D, Dey N, Bhattacharya S. Thermoresponsive sustainable release of anticancer drugs using cyto-compatible pyrenylated hydrogel as vehicle. J CHEM SCI 2023. [DOI: 10.1007/s12039-022-02124-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
|
14
|
Oxidized hydroxypropyl cellulose/carboxymethyl chitosan hydrogels permit pH-responsive, targeted drug release. Carbohydr Polym 2023; 300:120213. [DOI: 10.1016/j.carbpol.2022.120213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/27/2022] [Accepted: 10/08/2022] [Indexed: 11/07/2022]
|
15
|
Abdelghafour MM, Deák Á, Kiss T, Budai-Szűcs M, Katona G, Ambrus R, Lőrinczi B, Keller-Pintér A, Szatmári I, Szabó D, Rovó L, Janovák L. Self-Assembling Injectable Hydrogel for Controlled Drug Delivery of Antimuscular Atrophy Drug Tilorone. Pharmaceutics 2022; 14:pharmaceutics14122723. [PMID: 36559217 PMCID: PMC9782908 DOI: 10.3390/pharmaceutics14122723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
A two-component injectable hydrogel was suitably prepared for the encapsulation and prolonged release of tilorone which is an antimuscular atrophy drug. The rapid (7-45 s, depending on the polymer concentration) in situ solidifications of the hydrogel were evoked by the evolving Schiff-base bonds between the aldehyde groups of modified PVA (4-formyl benzoate PVA, PVA-CHO, 5.9 mol% functionalization degree) and the amino groups of 3-mercaptopropionate chitosan (CHIT-SH). The successful modification of the initial polymers was confirmed by both FTIR and NMR measurements; moreover, a new peak appeared in the FTIR spectrum of the 10% w/v PVA-CHO/CHIT-SH hydrogel at 1647 cm-1, indicating the formation of a Schiff base (-CH=N-) and confirming the interaction between the NH2 groups of CHIT-SH and the CHO groups of PVA-CHO for the formation of the dynamic hydrogel. The reaction between the NH2 and CHO groups of the modified biopolymers resulted in a significant increase in the hydrogel's viscosity which was more than one thousand times greater (9800 mPa·s) than that of the used polymer solutions, which have a viscosity of only 4.6 and 5.8 mPa·s, respectively. Furthermore, the initial chitosan was modified with mercaptopropionic acid (thiol content = 201.85 ± 12 µmol/g) to increase the mucoadhesive properties of the hydrogel. The thiolated chitosan showed a significant increase (~600 mN/mm) in adhesion to the pig intestinal membrane compared to the initial one (~300 mN/mm). The in vitro release of tilorone from the hydrogel was controlled with the crosslinking density/concentration of the hydrogel; the 10% w/v PVA-CHO/CHIT-SH hydrogel had the slowest releasing (21.7 h-1/2) rate, while the 2% w/v PVA-CHO/CHIT-SH hydrogel had the fastest releasing rate (34.6 h-1/2). Due to the characteristics of these hydrogels, their future uses include tissue regeneration scaffolds, wound dressings for skin injuries, and injectable or in situ forming drug delivery systems. Eventually, we hope that the developed hydrogel will be useful in the local treatment of muscle atrophy, such as laryngotracheal atrophy.
Collapse
Affiliation(s)
- Mohamed M. Abdelghafour
- Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Béla tér 1, H-6720 Szeged, Hungary
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Ágota Deák
- Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Béla tér 1, H-6720 Szeged, Hungary
| | - Tamás Kiss
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös str. 6., H-6720 Szeged, Hungary
| | - Mária Budai-Szűcs
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös str. 6., H-6720 Szeged, Hungary
| | - Gábor Katona
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös str. 6., H-6720 Szeged, Hungary
| | - Rita Ambrus
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös str. 6., H-6720 Szeged, Hungary
| | - Bálint Lőrinczi
- Institute of Pharmaceutical Chemistry, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary
| | - Anikó Keller-Pintér
- Department of Biochemistry, Albert Szent-Györgyi Medical School, University of Szeged, H-6720 Szeged, Hungary
| | - István Szatmári
- Institute of Pharmaceutical Chemistry, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary
| | - Diána Szabó
- Department of Oto-Rhino-Laryngology and Head & Neck Surgery, University of Szeged, Tisza Lajos krt. 111, H-6724 Szeged, Hungary
| | - László Rovó
- Department of Oto-Rhino-Laryngology and Head & Neck Surgery, University of Szeged, Tisza Lajos krt. 111, H-6724 Szeged, Hungary
| | - László Janovák
- Department of Physical Chemistry and Materials Science, University of Szeged, Rerrich Béla tér 1, H-6720 Szeged, Hungary
- Correspondence: ; Tel.: +36-62-544-210; Fax: +36-62-544-042
| |
Collapse
|
16
|
Quadrado RF, Macagnan KL, Moreira AS, Fajardo AR. Redox-responsive hydrogels of thiolated pectin as vehicles for the smart release of acetaminophen. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
17
|
Calder D, Fathi A, Oveissi F, Maleknia S, Abrams T, Wang Y, Maitz J, Tsai KHY, Maitz P, Chrzanowski W, Canoy I, Menon VA, Lee K, Ahern BJ, Lean NE, Silva DM, Young PM, Traini D, Ong HX, Mahmoud RS, Montazerian H, Khademhosseini A, Dehghani F, Dehghani F. Thermoresponsive and Injectable Hydrogel for Tissue Agnostic Regeneration. Adv Healthc Mater 2022; 11:e2201714. [PMID: 36148581 DOI: 10.1002/adhm.202201714] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/16/2022] [Indexed: 01/28/2023]
Abstract
Injectable hydrogels can support the body's innate healing capability by providing a temporary matrix for host cell ingrowth and neovascularization. The clinical adoption of current injectable systems remains low due to their cumbersome preparation requirements, device malfunction, product dislodgment during administration, and uncontrolled biological responses at the treatment site. To address these challenges, a fully synthetic and ready-to-use injectable biomaterial is engineered that forms an adhesive hydrogel that remains at the administration site regardless of defect anatomy. The product elicits a negligible local inflammatory response and fully resorbs into nontoxic components with minimal impact on internal organs. Preclinical animal studies confirm that the engineered hydrogel upregulates the regeneration of both soft and hard tissues by providing a temporary matrix to support host cell ingrowth and neovascularization. In a pilot clinical trial, the engineered hydrogel is successfully administered to a socket site post tooth extraction and forms adhesive hydrogel that stabilizes blood clot and supports soft and hard tissue regeneration. Accordingly, this injectable hydrogel exhibits high therapeutic potential and can be adopted to address multiple unmet needs in different clinical settings.
Collapse
Affiliation(s)
- Dax Calder
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia.,Faculty of Medicine and Health, Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia.,Faculty of Health and Medical Sciences, School of Biomedical Sciences, University of Western Australia, Perth, WA, 6009, Australia
| | - Ali Fathi
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia.,Tetratherix, Sydney, NSW, 2015, Australia
| | - Farshad Oveissi
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia
| | | | | | - Yiwei Wang
- Burns and Reconstructive Surgery Research Group, ANZAC Research Institute, Concord, NSW, 2139, Australia
| | - Joanneke Maitz
- Burns and Reconstructive Surgery Research Group, ANZAC Research Institute, Concord, NSW, 2139, Australia
| | - Kevin Hung-Yueh Tsai
- Burns and Reconstructive Surgery Research Group, ANZAC Research Institute, Concord, NSW, 2139, Australia
| | - Peter Maitz
- Burns and Reconstructive Surgery Research Group, ANZAC Research Institute, Concord, NSW, 2139, Australia
| | - Wojtek Chrzanowski
- Faculty of Medicine and Health, Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia.,Faculty of Health and Medical Sciences, School of Biomedical Sciences, University of Western Australia, Perth, WA, 6009, Australia
| | - Ivan Canoy
- Anatomical Pathology, NSW Health Pathology, Concord Repatriation General Hospital, Concord, NSW, 2139, Australia
| | - Vivek Ashoka Menon
- Anatomical Pathology, NSW Health Pathology, Concord Repatriation General Hospital, Concord, NSW, 2139, Australia
| | - Kenneth Lee
- Anatomical Pathology, NSW Health Pathology, Concord Repatriation General Hospital, Concord, NSW, 2139, Australia.,School of Medicine, University of Sydney, Sydney, NSW, 2006, Australia
| | - Benjamin J Ahern
- School of Veterinary Science, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Natasha E Lean
- School of Veterinary Science, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Dina M Silva
- Macquarie Medical School, Faculty of Medicine and Health, Macquarie University & Woolcock Institute of Medical Research, The University of Sydney, Glebe, NSW, 2037, Australia.,Ab Initio Pharma, Camperdown, NSW, 2050, Australia
| | - Paul M Young
- Macquarie Medical School, Faculty of Medicine and Health, Macquarie University & Woolcock Institute of Medical Research, The University of Sydney, Glebe, NSW, 2037, Australia.,Ab Initio Pharma, Camperdown, NSW, 2050, Australia
| | - Daniela Traini
- Macquarie Medical School, Faculty of Medicine and Health, Macquarie University & Woolcock Institute of Medical Research, The University of Sydney, Glebe, NSW, 2037, Australia.,Ab Initio Pharma, Camperdown, NSW, 2050, Australia
| | - Hui Xin Ong
- Macquarie Medical School, Faculty of Medicine and Health, Macquarie University & Woolcock Institute of Medical Research, The University of Sydney, Glebe, NSW, 2037, Australia.,Ab Initio Pharma, Camperdown, NSW, 2050, Australia
| | | | - Hossein Montazerian
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA.,Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA.,California NanoSystems Institute (CNSI), University of California, Los Angeles, CA, 90095, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA
| | - Fariba Dehghani
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Fariba Dehghani
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia
| |
Collapse
|
18
|
Khamrui R, Manna RN, Rajdev P, Paul A, Ghosh S. Impact of the Hydrogen-Bonding Functional Group on Hydrogelation of Amphiphilic Naphthalene-diimide Derivatives and Nonspecific Protein Adsorption. ACS APPLIED BIO MATERIALS 2022; 5:5410-5417. [PMID: 36251686 DOI: 10.1021/acsabm.2c00761] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
This manuscript reports the effect of hydrogen-bonding functionality on the supramolecular assembly of naphthalene-diimide (NDI)-derived amphiphilic building blocks in water. All the molecules contain a central NDI chromophore, functionalized with a hydrophilic oligo-oxyethylene (OE) wedge in one arm and a phenyl group on the opposite arm. They differ by a single H-bonding functionality, which links the NDI chromophore and the phenyl moiety. The H-bonding functionalities are amide, thioamide, urea, and urethane in NDI-A, NDI-TA, NDI-U, and NDI-UT, respectively. All of these molecules exhibit π-stacking in water, as evident from their distinct UV/vis absorption spectra when compared to that of the monomeric dye in THF. However, among these four, only NDI-A and NDI-TA show hydrogelation, while the other two precipitate out of the medium. The NDI-A hydrogel also exhibits transient stability and leads to a crystalline precipitate within ∼5 h. Only NDI-TA produces stable transparent hydrogel with the entangled fibrillar morphology that is typical for gelators. Both NDI-A and NDI-TA showed a thermoresponsive property with a lower critical solution temperature of about 41-42 °C. Powder XRD studies show a parallel orientation for NDI-A and an antiparallel orientation for NDI-TA. Computational studies support this experimental observation and indicate that the NDI-A assembly is highly stabilized by strong H-bonding among the amide groups and π-stacking interaction in the parallel orientation. On the other hand, due to weak H-bonding among the thioamide groups, the binding energy of the parallelly oriented NDI-TA was significantly lower and the optimized structure was disordered. Instead, its antiparallel orientation was more stable, with criss-cross aligned H-bonding interactions and π-π interactions between adjacent aromatic rings. The NDI-TA hydrogel with less ordered OE chains on the surface showed prominent adsorption of serum protein BSA. In sharp contrast, NDI-A did not exhibit any notable interaction with BSA, as evident from the ITC studies.
Collapse
Affiliation(s)
- Rajesh Khamrui
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Rabindra Nath Manna
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Priya Rajdev
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Ankan Paul
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Suhrit Ghosh
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
| |
Collapse
|
19
|
Structure and Dynamics of Inhomogeneities in Aqueous Solutions of Graft Copolymers of N-Isopropylacrylamide with Lactide (P(NIPAM-graft-PLA)) by Spin Probe EPR Spectroscopy. Polymers (Basel) 2022; 14:polym14214746. [DOI: 10.3390/polym14214746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
Abstract
Coil-to-globule transition and dynamics of inhomogeneities in aqueous solutions of graft copolymers of NIPAM with different content of oligolactide groups were studied using spin probe continuous wave EPR spectroscopy. The technique of the suppressing of TEMPO as spin probe by spin exchange with Cu2+ ions was applied. This approach allowed us to detect individual EPR spectra of the probe in collapsed globules and estimate its magnetic and dynamic parameters reliably. The formation of inhomogeneities at temperatures lower than the volume phase transition temperature measured via transmission, and differential scanning calorimetry was fixed. An increase in oligolactide content in copolymers leads to the formation of looser globules, allowing for the exchange of the probe molecules between the globules and the external solution.
Collapse
|
20
|
Lali Raveendran R, Valsala M, Sreenivasan Anirudhan T. Development of nanosilver embedded injectable liquid crystalline hydrogel from alginate and chitosan for potent antibacterial and anticancer applications. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.11.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
21
|
Sun Y, Chen LG, Fan XM, Pang JL. Ultrasound Responsive Smart Implantable Hydrogels for Targeted Delivery of Drugs: Reviewing Current Practices. Int J Nanomedicine 2022; 17:5001-5026. [PMID: 36275483 PMCID: PMC9586127 DOI: 10.2147/ijn.s374247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/31/2022] [Indexed: 11/06/2022] Open
Abstract
Over the last two decades, the process of delivering therapeutic drugs to a patient with a controlled release profile has been a significant focus of drug delivery research. Scientists have given tremendous attention to ultrasound-responsive hydrogels for several decades. These smart nanosystems are more applicable than other stimuli-responsive drug delivery vehicles (ie UV-, pH- and thermal-, responsive materials) because they enable more efficient targeted treatment via relatively non-invasive means. Ultrasound (US) is capable of safely transporting energy through opaque and complex media with minimal loss of energy. It is capable of being localized to smaller regions and coupled to systems operating at various time scales. However, the properties enabling the US to propagate effectively in materials also make it very difficult to transform acoustic energy into other forms that may be used. Recent research from a variety of domains has attempted to deal with this issue, proving that ultrasonic effects can be used to control chemical and physical systems with remarkable specificity. By obviating the need for multiple intravenous injections, implantable US responsive hydrogel systems can enhance the quality of life for patients who undergo treatment with a varied dosage regimen. Ideally, the ease of self-dosing in these systems would lead to increased patient compliance with a particular therapy as well. However, excessive literature has been reported based on implanted US responsive hydrogel in various fields, but there is no comprehensive review article showing the strategies to control drug delivery profile. So, this review was aimed at discussing the current strategies for controlling and targeting drug delivery profiles using implantable hydrogel systems.
Collapse
Affiliation(s)
- Yi Sun
- Center for Plastic & Reconstructive Surgery, Department of Plastic & Reconstructive Surgery, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, 310014, People’s Republic of China
| | - Le-Gao Chen
- General Surgery, Cancer Center, Department of Vascular Surgery, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, 310014, People’s Republic of China
| | - Xiao-Ming Fan
- Cancer Center, Department of Ultrasound Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, 310014, People’s Republic of China,Correspondence: Xiao-Ming Fan, Department of Ultrasound Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), No. 158 Shangtang Road, Hangzhou, Zhejiang, 310014, People’s Republic of China, Tel/Fax +86-571-85893290, Email
| | - Jian-Liang Pang
- Department of Vascular Surgery, Tiantai People’s Hospital of Zhejiang Province (Tiantai Branch of Zhejiang People’s Hospital), Taizhou, 317200, People’s Republic of China,Jian-Liang Pang, Department of Vascular Surgery, Tiantai People’s Hospital of Zhejiang Province (Tiantai Branch of Zhejiang People’s Hospital), Kangning Middle Road, Shifeng Street, Tiantai County, Taizhou, Zhejiang, 317200, People’s Republic of China, Tel/Fax +86-576- 81302085, Email
| |
Collapse
|
22
|
Injectable amphiphilic hydrogel systems from the self-assembly of partially alkylated poly(2-dimethyl aminoethyl) methacrylate with inherent antimicrobial property and sustained release behaviour. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
23
|
Ze Y, Wang R, Deng H, Zhou Z, Chen X, Huang L, Yao Y. Three-dimensional bioprinting: A cutting-edge tool for designing and fabricating engineered living materials. BIOMATERIALS ADVANCES 2022; 140:213053. [PMID: 35964390 DOI: 10.1016/j.bioadv.2022.213053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/12/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
The design of engineered living materials (ELMs) is an emerging field developed from synthetic biology and materials science principles. ELMs are multi-scale bulk materials that combine the properties of self-healing and organism adaptability with the designed physicochemical or mechanical properties for functional applications in various fields, including therapy, electronics, and architecture. Among the many ELM design and manufacturing methods, three-dimensional (3D) bioprinting stands out for its precise control over the structure of the fabricated constructs and the spatial distribution of cells. In this review, we summarize the progress in the field, cell type and material selection, and the latest applications of 3D bioprinting to manufacture ELMs, as well as their advantages and limitations, hoping to deepen our understanding and provide new insights into ELM design. We believe that 3D bioprinting will become an important development direction and provide more contributions to this field.
Collapse
Affiliation(s)
- Yiting Ze
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Ruixin Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Hanzhi Deng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Zheqing Zhou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Xiaoju Chen
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Linyang Huang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yang Yao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.
| |
Collapse
|
24
|
Dual ionically crosslinked chitosan–based injectable hydrogel as drug delivery system. Colloid Polym Sci 2022. [DOI: 10.1007/s00396-022-05003-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
|
25
|
Ko S, Chhetry A, Kim D, Yoon H, Park JY. Hysteresis-Free Double-Network Hydrogel-Based Strain Sensor for Wearable Smart Bioelectronics. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31363-31372. [PMID: 35764418 DOI: 10.1021/acsami.2c09895] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Hydrogel-based electronics have attracted substantial attention in the field of biological engineering, energy storage devices, and soft actuators due to their resemblance to living tissues, biocompatibility, tunable softness, and consolidated structures. However, combining the properties of quick resilience, hysteresis-free, and robust mechanical properties in physically cross-linked hydrogels is still a great challenge. Herein, we present a vinyl hybrid silica nanoparticle (VSNPs)/polyacrylamide (PAAm)/alginate double-network hydrogel-based strain sensor with the characteristics of quick resilience, hysteresis-free, and a low limit of detection (LOD). The physical cross-linking among PAAm chains and covalent cross-linking between PAAm, alginate, and N,N-methylenebisacrylamide chains promotes excellent mechanical properties. Moreover, the incorporation of VSNPs reinforces the mechanical strength by the dynamic cross-linking of the PAAm network to maintain the integrity of the hydrogel and works as a stress buffer to dissipate energy. The as-prepared hydrogel-based sensor exhibits a strain sensitivity (i.e., gauge factor) of 1.73 (up to 100% strain), a response time of 0.16 s, an ultra-low electrical hysteresis of 2.43%, and a low LOD of 0.4%. The outstanding properties of the hydrogel are further used to illustrate the utility of the sensor in e-skin, ranging from low-strain applications, such as carotid pulse and artificial sound detection, to large bending applications, such as sign language translations. In addition, an efficient and cost-effective synthesis of double-network hydrogel that can overcome the bottleneck of the electromechanical properties of single network hydrogel has potential prospects in soft actuators, tissue engineering, and various biomedical applications.
Collapse
Affiliation(s)
- Seokgyu Ko
- Advanced Sensor and Energy Research (ASER) Laboratory, Department of Electronic Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Ashok Chhetry
- Advanced Sensor and Energy Research (ASER) Laboratory, Department of Electronic Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Dongkyun Kim
- Advanced Sensor and Energy Research (ASER) Laboratory, Department of Electronic Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Hyosang Yoon
- Advanced Sensor and Energy Research (ASER) Laboratory, Department of Electronic Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Jae Yeong Park
- Advanced Sensor and Energy Research (ASER) Laboratory, Department of Electronic Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
| |
Collapse
|
26
|
Xu J, Abetz V. Synthesis of a Degradable Hydrogel Based on a Graft Copolymer with Unexpected Thermoresponsiveness. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jingcong Xu
- Institute of Physical Chemistry Universität Hamburg Grindelallee 117 Hamburg 20146 Germany
| | - Volker Abetz
- Institute of Physical Chemistry Universität Hamburg Grindelallee 117 Hamburg 20146 Germany
- Institute of Membrane Research Helmholtz‐Zentrum Hereon Max‐Planck‐Straße 1 Geesthacht 21502 Germany
| |
Collapse
|
27
|
Li Y, Yang HY, Lee DS. Biodegradable and Injectable Hydrogels in Biomedical Applications. Biomacromolecules 2022; 23:609-618. [PMID: 35133798 DOI: 10.1021/acs.biomac.1c01552] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Injectable hydrogels are a unique class of hydrogels that are formed upon injection into living bodies. They possess features of typical hydrogels such as softness, 3D network structures, large contents of water, the ability to load water-soluble substances, and so on. Furthermore, their injectability allows injectable hydrogels to be implanted into living bodies using a syringe in a minimally invasive way. After being loaded with different active substances (drugs, proteins, genes, viruses, cells, etc.), injectable hydrogels have been demonstrated to be potential in many different biomedical applications including controlled release and tissue engineering. However, biodegradability is also an important property of injectable hydrogels and allows removal of the hydrogels after accomplishment of their tasks. In this Perspective, we aim at introducing several different types of biodegradable and injectable hydrogels and compare their differences in properties and applications. Lastly, we also point out some remaining problems and future trends in the field of biodegradable and injectable hydrogels.
Collapse
Affiliation(s)
- Yi Li
- College of Materials and Textile Engineering, Nanotechnology Research Institute, Jiaxing University, Jiaxing, Zhejiang Province 314001, PR China
| | - Hong Yu Yang
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, PR China
| | - Doo Sung Lee
- Theranostic Macromolecules Research Center and School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Republic of Korea
| |
Collapse
|
28
|
Kurian AG, Singh RK, Patel KD, Lee JH, Kim HW. Multifunctional GelMA platforms with nanomaterials for advanced tissue therapeutics. Bioact Mater 2022; 8:267-295. [PMID: 34541401 PMCID: PMC8424393 DOI: 10.1016/j.bioactmat.2021.06.027] [Citation(s) in RCA: 137] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/17/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Polymeric hydrogels are fascinating platforms as 3D scaffolds for tissue repair and delivery systems of therapeutic molecules and cells. Among others, methacrylated gelatin (GelMA) has become a representative hydrogel formulation, finding various biomedical applications. Recent efforts on GelMA-based hydrogels have been devoted to combining them with bioactive and functional nanomaterials, aiming to provide enhanced physicochemical and biological properties to GelMA. The benefits of this approach are multiple: i) reinforcing mechanical properties, ii) modulating viscoelastic property to allow 3D printability of bio-inks, iii) rendering electrical/magnetic property to produce electro-/magneto-active hydrogels for the repair of specific tissues (e.g., muscle, nerve), iv) providing stimuli-responsiveness to actively deliver therapeutic molecules, and v) endowing therapeutic capacity in tissue repair process (e.g., antioxidant effects). The nanomaterial-combined GelMA systems have shown significantly enhanced and extraordinary behaviors in various tissues (bone, skin, cardiac, and nerve) that are rarely observable with GelMA. Here we systematically review these recent efforts in nanomaterials-combined GelMA hydrogels that are considered as next-generation multifunctional platforms for tissue therapeutics. The approaches used in GelMA can also apply to other existing polymeric hydrogel systems.
Collapse
Affiliation(s)
- Amal George Kurian
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Rajendra K. Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Kapil D. Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, WC1X8LD, UK
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan, 31116, Republic of Korea
| |
Collapse
|
29
|
Schmidt BVKJ. Multicompartment Hydrogels. Macromol Rapid Commun 2022; 43:e2100895. [PMID: 35092101 DOI: 10.1002/marc.202100895] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/27/2022] [Indexed: 11/11/2022]
Abstract
Hydrogels belong to the most promising materials in polymer and materials science at the moment. As they feature soft and tissue-like character as well as high water-content, a broad range of applications are addressed with hydrogels, e.g. tissue engineering and wound dressings but also soft robotics, drug delivery, actuators and catalysis. Ways to tailor hydrogel properties are crosslinking mechanism, hydrogel shape and reinforcement, but new features can be introduced by variation of hydrogel composition as well, e.g. via monomer choice, functionalization or compartmentalization. Especially, multicompartment hydrogels drive progress towards complex and highly functional soft materials. In the present review the latest developments in multicompartment hydrogels are highlighted with a focus on three types of compartments, i.e. micellar/vesicular, droplets or multi-layers including various sub-categories. Furthermore, several morphologies of compartmentalized hydrogels and applications of multicompartment hydrogels will be discussed as well. Finally, an outlook towards future developments of the field will be given. The further development of multicompartment hydrogels is highly relevant for a broad range of applications and will have a significant impact on biomedicine and organic devices. This article is protected by copyright. All rights reserved.
Collapse
|
30
|
Vebr A, Dallegre M, Autissier L, Drappier C, Lejeune K, Gigmes D, Kermagoret A. Nitroxide mediated radical polymerization for the preparation of poly(vinyl chloride) grafted poly(acrylate) copolymers. Polym Chem 2022. [DOI: 10.1039/d2py00308b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In view to control the thermal properties of PVC without the use of toxic phthalate derivatives, alkoxyamines were grafted onto an azide modified PVC, through copper catalyzed azide-alkyne cycloaddition (CuAAC),...
Collapse
|
31
|
Kushibiki T, Mayumi Y, Nakayama E, Azuma R, Ojima K, Horiguchi A, Ishihara M. Photocrosslinked gelatin hydrogel improves wound healing and skin flap survival by the sustained release of basic fibroblast growth factor. Sci Rep 2021; 11:23094. [PMID: 34845307 PMCID: PMC8630120 DOI: 10.1038/s41598-021-02589-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 11/15/2021] [Indexed: 01/09/2023] Open
Abstract
Biomaterials traditionally used for wound healing can act as a temporary barrier to halt bleeding, prevent infection, and enhance regeneration. Hydrogels are among the best candidates for wound healing owing to their moisture retention and drug-releasing properties. Photo-polymerization using visible light irradiation is a promising method for hydrogel preparation since it can easily control spatiotemporal reaction kinetics and rapidly induce a single-step reaction under mild conditions. In this study, photocrosslinked gelatin hydrogels were imparted with properties namely fast wound adherence, strong wet tissue surface adhesion, greater biocompatibility, long-term bFGF release, and importantly, ease of use through the modification and combination of natural bio-macromolecules. The production of a gelatin hydrogel made of natural gelatin (which is superior to chemically modified gelatin), crosslinked by visible light, which is more desirable than UV light irradiation, will enable its prolonged application to uneven wound surfaces. This is due to its flexible shape, along with the administration of cell growth factors, such as bFGF, for tissue regeneration. Further, the sustained release of bFGF enhances wound healing and skin flap survival. The photocrosslinking gelatin hydrogel designed in this study is a potential candidate to enhance wound healing and better skin flap survival.
Collapse
Affiliation(s)
- Toshihiro Kushibiki
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan.
| | - Yoshine Mayumi
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Eiko Nakayama
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Ryuichi Azuma
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Kenichiro Ojima
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Akio Horiguchi
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Miya Ishihara
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| |
Collapse
|
32
|
Zhong H, Li Z, Zhao T, Chen Y. Surface Modification of Nanofibers by Physical Adsorption of Fiber-Homologous Amphiphilic Copolymers and Nanofiber-Reinforced Hydrogels with Excellent Tissue Adhesion. ACS Biomater Sci Eng 2021; 7:4828-4837. [PMID: 34478620 DOI: 10.1021/acsbiomaterials.1c00982] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we report a simple approach to modify hydrophobic PCL nanofibers by adsorption of a fiber-homologous amphiphilic triblock copolymer (PCL-b-PEG-b-PCL, PCEC). The modified PCL nanofibers were then utilized to reinforce a physical hydrogel, which was formed by micellar crosslinking of the same PCEC triblock copolymer. Therefore, the copolymer played a dual role in not only dispersing and stabilizing nanofibers but also additionally providing a framework for the hydrogel matrix. The mechanical strength of the hydrogel was significantly enhanced by addition of the modified PCL nanofibers, and the gel modulus can be tuned by varying the concentration of the copolymer and nanofibers. The effect of nanofiber size and content on the mechanical properties of the hydrogel matrices was studied. Different from hydrogel composites that were reinforced by 2D fiber meshes or 3D woven fiber networks, this free fiber-reinforced hydrogel can be readily injected to adapt to the environmental shape and self-heal. The hydrogel composites showed superior tissue adhesion properties compared to the commercially available fibrin glue, especially in muscle adhesion. Due to its injectable and self-healing properties, this nanofiber-reinforced hydrogel may have great potential as a new type of tissue sealant.
Collapse
Affiliation(s)
- Hai Zhong
- School of Materials Science and Engineering, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhiyong Li
- Nepgel Chemical Co., Ltd., No. 127, China South-City Industrial Zone, Longgang District, Shenzhen 518111, China
| | - Tianyu Zhao
- School of Materials Science and Engineering, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Yongming Chen
- School of Materials Science and Engineering, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| |
Collapse
|
33
|
Breul K, Stengelin E, Urschbach M, Mondeshki M, Wüst L, Sirleaf J, Seitel S, Emt T, Pschierer S, Besenius P, Seiffert S. Cell Adhesion on UV-Crosslinked Polyurethane Gels with Adjustable Mechanical Strength and Thermoresponsiveness. Macromol Rapid Commun 2021; 42:e2100505. [PMID: 34562294 DOI: 10.1002/marc.202100505] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/17/2021] [Indexed: 12/22/2022]
Abstract
Temperature-responsive polyurethane (PU) hydrogels represent a versatile material platform for modern tissue engineering and biomedical applications. However, besides intrinsic advantages such as high mechanical strength and a hydrolysable backbone composition, plain PU materials are generally lacking bio-adhesive properties. To overcome this shortcoming, the authors focus on the synthesis of thermoresponsive PU hydrogels with variable mechanical and cell adhesive properties obtained from linear precursor PUs based on poly(ethylene glycol)s (pEG) with different molar masses, isophorone diisocyanate, and a dimerizable dimethylmaleimide (DMMI)-diol. The cloud point temperatures of the dilute, aqueous PU solutions depend linearly on the amphiphilic balance. Rheological gelation experiments under UV-irradiation reveal the dependence of the gelation time on photosensitizer concentration and light intensity, while the finally obtained gel strength is determined by the polymer concentration and spacing of the crosslinks. The swelling ratios of these soft hydrogels show significant changes between 5 and 40 °C whereby the extent of this switch increases with the hydrophobicity of the precursor. Moreover, it is shown that the incorporation of a low amount of catechol groups into the networks through the DMMI dimerization reaction leads to strongly improved cell adhesive properties without significantly weakening the gels.
Collapse
Affiliation(s)
- Katharina Breul
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Elena Stengelin
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Moritz Urschbach
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Mihail Mondeshki
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Laura Wüst
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Jason Sirleaf
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Sebastian Seitel
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Theresa Emt
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Sarah Pschierer
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Pol Besenius
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| | - Sebastian Seiffert
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, Mainz, 55128, Germany
| |
Collapse
|
34
|
Elkihel A, Christie C, Vernisse C, Ouk TS, Lucas R, Chaleix V, Sol V. Xylan-Based Cross-Linked Hydrogel for Photodynamic Antimicrobial Chemotherapy. ACS APPLIED BIO MATERIALS 2021; 4:7204-7212. [PMID: 35006952 DOI: 10.1021/acsabm.1c00760] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Photodynamic antimicrobial chemotherapy or PACT has been shown to be a promising antibacterial treatment that could overcome the challenge of multidrug-resistant bacteria. However, the use of most existing photosensitizers has been severely hampered by their significant self-quenching effect, poor water solubility, lack of selectivity against bacterial cells, and possible damage to the surrounding tissues. The use of hydrogels may overcome some of these limitations. We herein report a simple strategy to synthesize a cross-linked hydrogel from beech xylan. The hydrogel showed a high swelling ratio, up to 62, an interconnected porous structure, and good mechanical integrity, and 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin tetraiodide (TMPyP) was chosen as a model of hydrophilic photosensitizer (PS) and was encapsulated inside the xylan-based hydrogel. TMPyP-loaded hydrogel prolonged release of PS up to 24 h with a cumulative amount that could reach 100%. TMPyP-loaded hydrogel showed a photocytotoxic effect against Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus strains, and Bacillus cereus, while no cytotoxicity was observed in the dark.
Collapse
Affiliation(s)
- Abdechakour Elkihel
- Université de Limoges, Laboratoire PEIRENE, EA 7500, Faculté des Sciences et Techniques, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
| | - Camille Christie
- Université de Limoges, Laboratoire PEIRENE, EA 7500, Faculté des Sciences et Techniques, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
| | - Charlotte Vernisse
- Université de Limoges, Laboratoire PEIRENE, EA 7500, Faculté des Sciences et Techniques, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
| | - Tan-Sothéa Ouk
- Université de Limoges, Laboratoire PEIRENE, EA 7500, Faculté des Sciences et Techniques, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
| | - Romain Lucas
- Université de Limoges, IRCER, UMR 7315, F-87068 Limoges, France
| | - Vincent Chaleix
- Université de Limoges, Laboratoire PEIRENE, EA 7500, Faculté des Sciences et Techniques, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
| | - Vincent Sol
- Université de Limoges, Laboratoire PEIRENE, EA 7500, Faculté des Sciences et Techniques, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
| |
Collapse
|
35
|
Shen KH, Lu CH, Kuo CY, Li BY, Yeh YC. Smart near infrared-responsive nanocomposite hydrogels for therapeutics and diagnostics. J Mater Chem B 2021; 9:7100-7116. [PMID: 34212171 DOI: 10.1039/d1tb00980j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Nanocomposite (NC) hydrogels are emerging biomaterials that possess desirable and defined properties and functions for therapeutics and diagnostics. Particularly, nanoparticles (NPs) are employed as stimulus-transducers in NC hydrogels to facilitate the treatment process by providing controllable structural change and payload release under internal and external simulations. Among the various external stimuli, near-infrared (NIR) light has attracted considerable interest due to its minimal photo-damage, deep tissue penetration, low auto-fluorescence in living systems, facile on/off switch, easy remote and spatiotemporal control. In this study, we discuss four types of transducing nanomaterials used in NIR-responsive NC hydrogels, including metal-based nanoparticles, carbon-based nanomaterials, polydopamine nanoparticles (PDA NPs), and upconversion nanoparticles (UCNPs). This review provides an overview of the current progress in NIR-responsive NC hydrogels, focusing on their preparation, properties, applications, and future prospects.
Collapse
Affiliation(s)
- Ke-Han Shen
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Cheng-Hsun Lu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Chih-Yu Kuo
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Bo-Yan Li
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Yi-Cheun Yeh
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| |
Collapse
|
36
|
Ailincai D, Agop M, Marinas IC, Zala A, Irimiciuc SA, Dobreci L, Petrescu TC, Volovat C. Theoretical model for the diclofenac release from PEGylated chitosan hydrogels. Drug Deliv 2021; 28:261-271. [PMID: 33501878 PMCID: PMC7850333 DOI: 10.1080/10717544.2021.1876181] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Controlled drug delivery systems are of utmost importance for the improvement of drug bioavailability while limiting the side effects. For the improvement of their performances, drug release modeling is a significant tool for the further optimization of the drug delivery systems to cross the barrier to practical application. We report here on the modeling of the diclofenac sodium salt (DCF) release from a hydrogel matrix based on PEGylated chitosan in the context of Multifractal Theory of Motion, by means of a fundamental spinor set given by 2 × 2 matrices with real elements, which can describe the drug-release dynamics at global and local scales. The drug delivery systems were prepared by in situ hydrogenation of PEGylated chitosan with citral in the presence of the DCF, by varying the hydrophilic/hydrophobic ratio of the components. They demonstrated a good dispersion of the drug into the matrix by forming matrix-drug entities which enabled a prolonged drug delivery behavior correlated with the hydrophilicity degree of the matrix. The application of the Multifractal Theory of Motion fitted very well on these findings, the fractality degree accurately describing the changes in hydrophilicity of the polymer. The validation of the model on this series of formulations encourages its further use for other systems, as an easy tool for estimating the drug release toward the design improvement. The present paper is a continuation of the work 'A theoretical mathematical model for assessing diclofenac release from chitosan-based formulations,' published in Drug Delivery Journal, 27(1), 2020, that focused on the consequences induced by the invariance groups of Multifractal Diffusion Equations in correlation with the drug release dynamics.
Collapse
Affiliation(s)
- Daniela Ailincai
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy, Iasi, Romania
| | - Maricel Agop
- Department of Physics, "Gh. Asachi" Technical University of Iasi, Iasi, Romania.,Romanian Scientists Academy, Bucharest, Romania
| | - Ioana Cristina Marinas
- Center for Services and Research in Advanced Biotechnologies, Calugareni, Sanimed International Impex srl, Bucharest, Romania
| | - Andrei Zala
- Municipal Emergency Hospital-Moineşti, Moineşti, Romania
| | | | - Lucian Dobreci
- Department of Physical and Occupational Therapy, Vasile Alecsandri University of Bacau, Bacau, Romania
| | - Tudor-Cristian Petrescu
- Department of Structural Mechanics, "Gh. Asachi" Technical University of Iasi, Iasi, Romania
| | | |
Collapse
|
37
|
Zhang Q, Xu H, Wu C, Shang Y, Wu Q, Wei Q, Zhang Q, Sun Y, Wang Q. Tissue Fluid Triggered Enzyme Polymerization for Ultrafast Gelation and Cartilage Repair. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qi Zhang
- School of Chemical Science and Engineering Tongji University 1239 Siping Road Shanghai China
- Collage of Chemistry and Chemical Engineering Liaocheng University 1 Hunan Road Shandong China
| | - Huaxing Xu
- Department of endodontics, Shanghai Stomatological Hospital Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases Fudan University 356 Beijing Road Shanghai China
| | - Chu Wu
- School of Chemical Science and Engineering Tongji University 1239 Siping Road Shanghai China
| | - Yinghui Shang
- School of Chemical Science and Engineering Tongji University 1239 Siping Road Shanghai China
| | - Qing Wu
- School of Chemical Science and Engineering Tongji University 1239 Siping Road Shanghai China
| | - Qingcong Wei
- School of Chemical Science and Engineering Tongji University 1239 Siping Road Shanghai China
| | - Qi Zhang
- School & Hospital of Stomatology Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration 399 Yanchang Road Shanghai China
| | - Yao Sun
- School & Hospital of Stomatology Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration 399 Yanchang Road Shanghai China
| | - Qigang Wang
- School of Chemical Science and Engineering Tongji University 1239 Siping Road Shanghai China
| |
Collapse
|
38
|
Park MJ, An YH, Choi YH, Kim HD, Hwang NS. Enhanced Neovascularization Using Injectable and rhVEGF-Releasing Cryogel Microparticles. Macromol Biosci 2021; 21:e2100234. [PMID: 34382323 DOI: 10.1002/mabi.202100234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Indexed: 11/09/2022]
Abstract
Cryogels are gel networks or scaffolds with a large porous structure; they can be tailored for injectability and for possessing a shape-memory ability. Herein, a growth factor-releasing cryogel microparticle (CMP) system is fabricated, and the therapeutic efficacy of recombinant human vascular endothelial growth factor (rhVEGF)-loaded CMP (V-CMP) for neovascularization is investigated. To prepare the cryogels, both methacrylated chitosan (Chi-MA) and methacrylated chondroitin sulfate (CS-MA) are used, and crosslinking using a radical crosslinking reaction is established. The physical, mechanical, and biological properties of the cryogels are analyzed by varying the amount of CS-MA used. The cryogels are then pulverized, and microsized CMPs are fabricated. CMPs dispersed in saline demonstrate a shear-thinning property, and can thus be extruded through a 23G needle. Additionally, V-CMP exhibit a sustained release profile of rhVEGF and enhance the in vitro proliferation of endothelial cells. Finally, neovascularization and effective tissue necrosis prevention are observed when V-CMPs are injected into a hindlimb ischemia mouse model. Thus, the injectable V-CMP system developed herein demonstrates a high potential utility in various tissue regeneration applications based on cell or growth factor delivery.
Collapse
Affiliation(s)
- Mihn Jeong Park
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Young-Hyeon An
- School of Chemical and Biological Engineering, Institute of Chemical Processes, BioMAX/N-Bio Institute, Seoul National University, Seoul, 08826, Republic of Korea.,Institute of Engineering Research, Seoul National University, Seoul, 08826, Republic of Korea
| | - Young Hwan Choi
- School of Chemical and Biological Engineering, Institute of Chemical Processes, BioMAX/N-Bio Institute, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hwan D Kim
- Department of Polymer Science and Engineering, Department of Biomedical Engineering, Korea National University of Transportation, Chungju, 27469, Republic of Korea
| | - Nathaniel S Hwang
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul, 08826, Republic of Korea.,School of Chemical and Biological Engineering, Institute of Chemical Processes, BioMAX/N-Bio Institute, Seoul National University, Seoul, 08826, Republic of Korea.,Institute of Engineering Research, Seoul National University, Seoul, 08826, Republic of Korea
| |
Collapse
|
39
|
Advances in amphiphilic polylactide/vinyl polymer based nano-assemblies for drug delivery. Adv Colloid Interface Sci 2021; 294:102483. [PMID: 34274723 DOI: 10.1016/j.cis.2021.102483] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/28/2021] [Accepted: 07/02/2021] [Indexed: 01/14/2023]
Abstract
Micelles from self-assembled amphiphilic copolymers are highly attractive in drug delivery, due to their small size and hydrophilic stealth corona allowing prolonged lifetimes in the bloodstream and thus improved drug bioavailability. Polylactide (PLA)-based amphiphilic copolymer micelles are key candidates in this field, owing to the well-established biodegradability and biocompatibility of PLA. While PLA-b-poly(ethylene glycol) (PEG) block copolymer micelles can be seen as the "gold standard" in drug delivery research so far, the progresses in controlled radical polymerizations (Atom Transfer Radical Polymerization, Reversible Addition-Fragmentation Transfer and Nitroxide Mediated Polymerization) have offered new opportunities in the design of advanced amphiphilic copolymers for drug delivery due to their flexibility in many regards: (i) they can be easily combined with ring-opening polymerization (ROP) of lactide, with a diversity in types of architectures (e.g., block, graft, star), (ii) they allow (co)polymerization of a wide range of vinyl monomers, possibly circumventing PEG limitations, (iii) functionalization (with biomolecules or stimuli-cleavable moieties) is versatile due to end-group fidelity and copolymerization ability with reactive/functional comonomers. In this review, we report on the advances in the past decade of such amphiphilic PLA/vinyl polymer based nano-carriers, regarding key properties such as stealth character, cell targeting and stimuli-responsiveness.
Collapse
|
40
|
Zhang Q, Xu H, Wu C, Shang Y, Wu Q, Wei Q, Zhang Q, Sun Y, Wang Q. Tissue Fluid Triggered Enzyme Polymerization for Ultrafast Gelation and Cartilage Repair. Angew Chem Int Ed Engl 2021; 60:19982-19987. [PMID: 34173310 DOI: 10.1002/anie.202107789] [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] [Received: 06/11/2021] [Indexed: 01/16/2023]
Abstract
The in situ gelation of injectable precursors is desirable in the field of tissue regeneration, especially in the context of irregular defect filling. The current driving forces for fast gelation include the phase-transition of thermally sensitive copolymers, click chemical reactions with tissue components, and metal coordination effect. However, the rapid formation of tough hydrogels remains a challenge. Inspired by aerobic metabolism, we herein propose a tissue-fluid-triggered cascade enzymatic polymerization process catalyzed by glucose oxidase and ferrous glycinate for the ultrafast gelation of acryloylated chondroitin sulfates and acrylamides. The highly efficient production of carbon radicals and macromolecules contribute to rapid polymerization for soft tissue augmentation in bone defects. The copolymer hydrogel demonstrated the regeneration-promoting capacity of cartilage. As the first example of using artificial enzyme complexes for in situ polymerization, this work offers a biomimetic approach to the design of strength-adjustable hydrogels for bio-implanting and bio-printing applications.
Collapse
Affiliation(s)
- Qi Zhang
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, China.,Collage of Chemistry and Chemical Engineering, Liaocheng University, 1 Hunan Road, Shandong, China
| | - Huaxing Xu
- Department of endodontics, Shanghai Stomatological Hospital, Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, 356 Beijing Road, Shanghai, China
| | - Chu Wu
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, China
| | - Yinghui Shang
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, China
| | - Qing Wu
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, China
| | - Qingcong Wei
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, China
| | - Qi Zhang
- School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, 399 Yanchang Road, Shanghai, China
| | - Yao Sun
- School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, 399 Yanchang Road, Shanghai, China
| | - Qigang Wang
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, China
| |
Collapse
|
41
|
Mithra K, Jena SS. Surfactant head group and concentration influence on structure and dynamics of gellan gum hydrogels: Crossover from stretched to compressed exponential. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- K Mithra
- Department of Physics and Astronomy National Institute of Technology Rourkela Odisha India
| | - Sidhartha S Jena
- Department of Physics and Astronomy National Institute of Technology Rourkela Odisha India
| |
Collapse
|
42
|
Wang F, Chen J, Liu J, Zeng H. Cancer theranostic platforms based on injectable polymer hydrogels. Biomater Sci 2021; 9:3543-3575. [PMID: 33634800 DOI: 10.1039/d0bm02149k] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Theranostic platforms that combine therapy with diagnosis not only prevent the undesirable biological responses that may occur when these processes are conducted separately, but also allow individualized therapies for patients. Polymer hydrogels have been employed to provide well-controlled drug release and targeted therapy in theranostics, where injectable hydrogels enable non-invasive treatment and monitoring with a single injection, offering greater patient comfort and efficient therapy. Efforts have been focused on applying injectable polymer hydrogels in theranostic research and clinical use. This review highlights recent progress in the design of injectable polymer hydrogels for cancer theranostics, particularly focusing on the elements/components of theranostic hydrogels, and their cross-linking strategies, structures, and performance with regard to drug delivery/tracking. Therapeutic agents and tracking modalities that are essential components of the theranostic platforms are introduced, and the design strategies, properties and applications of the injectable hydrogels developed via two approaches, namely chemical bonds and physical interactions, are described. The theranostic functions of the platforms are highly dependent on the architecture and components employed for the construction of hydrogels. Challenges currently presented by theranostic platforms based on injectable hydrogels are identified, and prospects of acquiring more comfortable and personalized therapies are proposed.
Collapse
Affiliation(s)
- Feifei Wang
- The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510700, China. and Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
| | - Jingsi Chen
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
| | - Jifang Liu
- The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510700, China.
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
| |
Collapse
|
43
|
Ma XB, Yang R, Sekhar KPC, Chi B. Injectable Hyaluronic Acid/Poly(γ-glutamic acid) Hydrogel with Step-by-step Tunable Properties for Soft Tissue Engineering. CHINESE JOURNAL OF POLYMER SCIENCE 2021. [PMCID: PMC8093128 DOI: 10.1007/s10118-021-2558-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Injectable hydrogels as an important class of biomaterials have gained much attention in tissue engineering. However, their crosslinking degree is difficult to be controlled after being injected into body. As we all know, the crosslinking degree strongly influences the physicochemical properties of hydrogels. Therefore, developing an injectable hydrogel with tunable crosslinking degree in vivo is important for tissue engineering. Herein, we present a dual crosslinking strategy to prepare injectable hydrogels with step-by-step tunable crosslinking degree using Schiff base reaction and photopolymerization. The developed hyaluronic acid/poly(γ-glutamic acid) (HA/γ-PGA) hydrogels exhibit step-by-step tunable swelling behavior, enzymatic degradation behavior and mechanical properties. Mechanical performance tests show that the storage moduli of HA/γ-PGA hydrogels are all less than 2000 Pa and the compressive moduli are in kilopascal, which have a good match with soft tissue. In addition, NIH 3T3 cells encapsulated in HA/γ-PGA hydrogel exhibit a high cell viability, indicating a good cytocompatibility of HA/γ-PGA hydrogel. Therefore, the developed HA/γ-PGA hydrogel as an injectable biomaterial has a good potential in soft tissue engineering.
Collapse
Affiliation(s)
- Xue-Bin Ma
- School of Chemistry and Chemical Engineering, Shandong University, Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, Jinan, 250100 China
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816 China
| | - Rong Yang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816 China
| | - Kanaparedu P. C. Sekhar
- School of Chemistry and Chemical Engineering, Shandong University, Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, Jinan, 250100 China
| | - Bo Chi
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816 China
| |
Collapse
|
44
|
Alonso JM, Andrade del Olmo J, Perez Gonzalez R, Saez-Martinez V. Injectable Hydrogels: From Laboratory to Industrialization. Polymers (Basel) 2021; 13:650. [PMID: 33671648 PMCID: PMC7926321 DOI: 10.3390/polym13040650] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 01/07/2023] Open
Abstract
The transfer of some innovative technologies from the laboratory to industrial scale is many times not taken into account in the design and development of some functional materials such as hydrogels to be applied in the biomedical field. There is a lack of knowledge in the scientific field where many aspects of scaling to an industrial process are ignored, and products cannot reach the market. Injectable hydrogels are a good example that we have used in our research to show the different steps needed to follow to get a product in the market based on them. From synthesis and process validation to characterization techniques used and assays performed to ensure the safety and efficacy of the product, following regulation, several well-defined protocols must be adopted. Therefore, this paper summarized all these aspects due to the lack of knowledge that exists about the industrialization of injectable products with the great importance that it entails, and it is intended to serve as a guide on this area to non-initiated scientists. More concretely, in this work, the characteristics and requirements for the development of injectable hydrogels from the laboratory to industrial scale is presented in terms of (i) synthesis techniques employed to obtain injectable hydrogels with tunable desired properties, (ii) the most common characterization techniques to characterize hydrogels, and (iii) the necessary safety and efficacy assays and protocols to industrialize and commercialize injectable hydrogels from the regulatory point of view. Finally, this review also mentioned and explained a real example of the development of a natural hyaluronic acid hydrogel that reached the market as an injectable product.
Collapse
Affiliation(s)
- Jose Maria Alonso
- I+Med. S. Coop., Parque Tecnológico de Alava. Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.A.d.O.); (R.P.G.); (V.S.-M.)
| | | | | | | |
Collapse
|
45
|
Rizzo F, Kehr NS. Recent Advances in Injectable Hydrogels for Controlled and Local Drug Delivery. Adv Healthc Mater 2021; 10:e2001341. [PMID: 33073515 DOI: 10.1002/adhm.202001341] [Citation(s) in RCA: 140] [Impact Index Per Article: 46.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/07/2020] [Indexed: 12/14/2022]
Abstract
Injectable hydrogels have received considerable interest in the biomedical field due to their potential applications in minimally invasive local drug delivery, more precise implantation, and site-specific drug delivery into poorly reachable tissue sites and into interface tissues, where wound healing takes a long time. Injectable hydrogels, such as in situ forming and/or shear-thinning hydrogels, can be generated using chemically and/or physically crosslinked hydrogels. Yet, for controlled and local drug delivery applications, the ideal injectable hydrogel should be able to provide controlled and sustained release of drug molecules to the target site when needed and should limit nonspecific drug molecule distribution in healthy tissues. Thus, such hydrogels should sense the environmental changes that arise in disease states and be able to release the optimal amount of drug over the necessary time period to the target region. To address this, researchers have designed stimuli-responsive injectable hydrogels. Stimuli-responsive hydrogels change their shape or volume when they sense environmental stimuli, e.g., pH, temperature, light, electrical signals, or enzymatic changes, and deliver an optimal concentration of drugs to the target site without affecting healthy tissues.
Collapse
Affiliation(s)
- Fabio Rizzo
- Istituto di Scienze e Tecnologie Chimiche “G. Natta” (SCITEC) Consiglio Nazionale delle Ricerche (CNR) via Fantoli 16/15 Milan 20138 Italy
- Organic Chemistry Institute Westfälische Wilhelms‐Universität Münster Corrensstr. 36 Münster 48149 Germany
- Center for Soft Nanoscience (SoN) Westfälische Wilhelms‐Universität Münster Busso‐Peus‐Str. 10 Münster 48149 Germany
| | - Nermin Seda Kehr
- Center for Soft Nanoscience (SoN) Westfälische Wilhelms‐Universität Münster Busso‐Peus‐Str. 10 Münster 48149 Germany
- Physikalisches Institut Westfälische Wilhelms‐Universität Münster Wilhelm‐Klemm‐Str. 10 Münster 48149 Germany
| |
Collapse
|
46
|
Patel DK, Dutta SD, Ganguly K, Lim KT. Multifunctional bioactive chitosan/cellulose nanocrystal scaffolds eradicate bacterial growth and sustain drug delivery. Int J Biol Macromol 2020; 170:178-188. [PMID: 33359257 DOI: 10.1016/j.ijbiomac.2020.12.145] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 01/12/2023]
Abstract
Chitosan-based hydrogels have received significant interest in tissue engineering and regenerative medicine applications owing to their superior biocompatibility. However, their applications are restricted owing to their weak mechanical strength. Cellulose nanocrystals (CNCs) are often explored as reinforcing agents to improve the native properties of polymers owing to their superior physicochemical properties. We fabricated a multi-functional hydrogel scaffold of chitosan/CNCs by incorporating different amounts of CNCs into a chitosan (CH) hydrogel. Significant enhancement in the mechanical strength was noted in the CH/CNCs as compared to that in pure CH hydrogel scaffolds. The cytocompatibility of the fabricated scaffolds was monitored in the presence of bone-marrow-derived mesenchymal stem cells (BMSCs). Improved cell viability and mineralization were observed with CH/CNC hydrogel scaffolds than those with pure CH hydrogel scaffolds. Enhanced osteogenic-related gene expression was observed in the CH/CNC hydrogel scaffold environment than that in the control, indicating their osteogenic potential, in addition to enhanced antibacterial activity. Developed composite scaffolds exhibited improved sustained drug release compared to that by pure polymer scaffolds, and this was more sustained in the scaffolds with higher CNC content. Therefore, the fabricated scaffolds may have been used in tissue engineering for osteogenesis, as antibacterial agents, and in sustained drug delivery.
Collapse
Affiliation(s)
- Dinesh K Patel
- Department of Biosystems Engineering, Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sayan Deb Dutta
- Department of Biosystems Engineering, Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Keya Ganguly
- Department of Biosystems Engineering, Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ki-Taek Lim
- Department of Biosystems Engineering, Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea.
| |
Collapse
|
47
|
Ma L, Su W, Ran Y, Ma X, Yi Z, Chen G, Chen X, Deng Z, Tong Q, Wang X, Li X. Synthesis and characterization of injectable self-healing hydrogels based on oxidized alginate-hybrid-hydroxyapatite nanoparticles and carboxymethyl chitosan. Int J Biol Macromol 2020; 165:1164-1174. [DOI: 10.1016/j.ijbiomac.2020.10.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/09/2020] [Accepted: 10/01/2020] [Indexed: 12/11/2022]
|
48
|
Niu H, Li J, Cai Q, Wang X, Luo F, Gong J, Qiang Z, Ren J. Molecular Stereocomplexation for Enhancing the Stability of Nanoparticles Encapsulated in Polymeric Micelles for Magnetic Resonance Imaging. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:13881-13889. [PMID: 33170710 DOI: 10.1021/acs.langmuir.0c02281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A generalizable approach for improving the stability of polylactide-based (PLA-based) micelles for encapsulating nanoparticles (NPs) is demonstrated, using stereocomplexation between a pair of poly (ethylene glycol)-b-poly(d-lactide)/poly(ethylene glycol)-b-poly(l-lactide) block copolymer blends. Three different superparamagnetic ferrite-based NPs with distinct nanostructures are first prepared by the high-temperature pyrolysis method, including spherical MnFe2O4, cubic MnFe2O4, and core-shell MnFe2O4@Fe3O4. The diameters of these NPs are approximately 7-10 nm as revealed by transmission electron microscopy. These hydrophobic NPs can be encapsulated within self-assembled, stereocomplexed PLA (sc-PLA) micelles. All sc-PLA micelle systems loaded with three different NPs exhibit enhanced stability at elevated temperatures (20-60 °C) and with extended storage time (∼96 h) compared with analogous samples without stereocomplex formation, confirmed by dynamic light scattering measurements. The magnetic NP-loaded micelles with mean diameters of approximately 150 nm show both biocompatibility and superparamagnetic property. Under a 1.5 T magnetic field, cubic MnFe2O4 (c-MnFe2O4)-loaded micelles exhibit an excellent negative contrast enhancement of MR signals (373 mM-1·s-1), while core-shell MnFe2O4@Fe3O4-loaded micelles show a slightly lower signal for MR imaging (275 mM-1·s-1). These results suggest the potential of using sc-PLA-based polymer micelles as universal carriers for magnetic resonance imaging contrast agents with improved stability for different applications such as cancer diagnosis.
Collapse
Affiliation(s)
- Haifeng Niu
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Jianbo Li
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Quan Cai
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Xuefang Wang
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Fuhong Luo
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Jiaying Gong
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Zhe Qiang
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Jie Ren
- Institute of Nano and Biopolymeric Materials, Department of Polymeric Materials, Key Laboratory of Advanced Civil Engineering Materials (Ministry of Education), School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| |
Collapse
|
49
|
Tang Q, Cao S, Ma T, Xiang X, Luo H, Borovskikh P, Rodriguez RD, Guo Q, Qiu L, Cheng C. Engineering Biofunctional Enzyme‐Mimics for Catalytic Therapeutics and Diagnostics. ADVANCED FUNCTIONAL MATERIALS 2020. [DOI: 10.1002/adfm.202007475] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Qing Tang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Department of Ultrasound West China Hospital Sichuan University Chengdu 610065 China
| | - Sujiao Cao
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Department of Ultrasound West China Hospital Sichuan University Chengdu 610065 China
| | - Tian Ma
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Department of Ultrasound West China Hospital Sichuan University Chengdu 610065 China
| | - Xi Xiang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Department of Ultrasound West China Hospital Sichuan University Chengdu 610065 China
| | - Hongrong Luo
- National Engineering Research Center for Biomaterials Sichuan University Chengdu 610064 China
| | - Pavel Borovskikh
- Martin‐Luther‐University Halle‐Wittenberg Universitätsplatz 10 Halle (Saale) 06108 Germany
| | | | - Quanyi Guo
- Chinese PLA General Hospital Beijing Key Lab of Regenerative Medicine in Orthopedics No. 28 Fuxing Road, Haidian District Beijing 100853 China
| | - Li Qiu
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Department of Ultrasound West China Hospital Sichuan University Chengdu 610065 China
| | - Chong Cheng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Department of Ultrasound West China Hospital Sichuan University Chengdu 610065 China
- Department of Chemistry and Biochemistry Freie Universität Berlin Takustrasse 3 Berlin 14195 Germany
| |
Collapse
|
50
|
Tan CME, Dizon GV, Chen SH, Venault A, Chou YN, Tayo L, Chang Y. Temperature-triggered attachment and detachment of general human bio-foulants on zwitterionic polydimethylsiloxane. J Mater Chem B 2020; 8:8853-8863. [PMID: 33026392 DOI: 10.1039/d0tb01478h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Biofouling has long been a problem for biomaterials, so being able to control the fouling on the surface of a biomaterial would be ideal. In this study a copolymer system was designed comprising three moieties: an epoxy containing group, glycidyl methacrylate (GMA); a thermoresponsive segment, N-isopropylacrylamide (NIPAAm); and an antifouling zwitterionic unit, sulfobetaine methacrylate (SBMA). The copolymers (pGSN), synthesized via free radical polymerization with these 3 moieties, were then grafted onto polydimethylsiloxane (PDMS). The presence of a critical temperature for both the copolymers and the coated PDMS was evidenced by particle size and contact angle measurements. The coated PDMS exhibited controllable temperature-dependent antifouling behaviors and stimuli-responsive phase characteristics in the presence of salts. The interactions of the coated PDMS with biomolecules were tested via attachment of fibrinogen protein, platelets, human whole blood, and tumor cells (HT1080). The attachment and detachment of these biomolecules were studied at different temperatures. Exposed hydrophobic domains of thermoresponsive NIPAAm-rich pGSN containing NIPAAm at 56 mol% generally allows molecular and cellular attachment on the PDMS surface at 37 °C. On the other hand, the coated PDMS with a relatively high content of SBMA (>41 mol%) in the copolymer started to exhibit fouling resistance and lower the thermoresponsive properties. Interestingly, the incorporation of zwitterionic SBMA units into the copolymers was found to accelerate the hydration of the PDMS surfaces and resulted in biomolecular and cellular detachment at 25 °C, which is comparable to the detachment at 4 °C. This modified surface behavior is found to be consistent through all biofouling tests.
Collapse
Affiliation(s)
- Christian Martin E Tan
- School of Chemical, Biological and Materials Engineering and Sciences, Mapúa University, Intramuros, Manila, 1002, Philippines
| | | | | | | | | | | | | |
Collapse
|