1
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Sánchez-Cid P, Alonso-González M, Jiménez-Rosado M, Benhnia MREI, Ruiz-Mateos E, Ostos FJ, Romero A, Perez-Puyana VM. Effect of different crosslinking agents on hybrid chitosan/collagen hydrogels for potential tissue engineering applications. Int J Biol Macromol 2024; 263:129858. [PMID: 38423911 DOI: 10.1016/j.ijbiomac.2024.129858] [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: 09/03/2023] [Revised: 12/02/2023] [Accepted: 01/29/2024] [Indexed: 03/02/2024]
Abstract
Tissue engineering (TE) demands scaffolds that have the necessary resistance to withstand the mechanical stresses once implanted in our body, as well as excellent biocompatibility. Hydrogels are postulated as interesting materials for this purpose, especially those made from biopolymers. In this study, the microstructure and rheological performance, as well as functional and biological properties of chitosan and collagen hydrogels (CH/CG) crosslinked with different coupling agents, both natural such as d-Fructose (F), genipin (G) and transglutaminase (T) and synthetic, using a combination of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride with N-hydroxysuccinimide (EDC/NHS) will be assessed. FTIR tests were carried out to determine if the proposed crosslinking reactions for each crosslinking agent occurred as expected, obtaining positive results in this aspect. Regarding the characterization of the properties of each system, two main trends were observed, from which it could be established that crosslinking with G and EDC-NHS turned out to be more effective and beneficial than with the other two crosslinking agents, producing significant improvements with respect to the base CH/CG hydrogel. In addition, in vitro tests demonstrated the potential application in TE of these systems, especially for those crosslinked with G, T and EDC-NHS.
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Affiliation(s)
- Pablo Sánchez-Cid
- Departmento de Ingeniería Química, Facultad de Química, Escuela Politécnica Superior, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - María Alonso-González
- Departmento de Ingeniería Química, Facultad de Química, Escuela Politécnica Superior, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - Mercedes Jiménez-Rosado
- Departmento de Ingeniería Química, Facultad de Química, Escuela Politécnica Superior, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - Mohammed Rafii-El-Idrissi Benhnia
- Departmento de Bioquímica Médica y Biología Molecular e Inmunología, Facultad de Medicina, Universidad de Sevilla, 41009 Sevilla, Spain; Instituto de Biomedicina de Sevilla, IBiS/Virgen del Rocío University Hospital/CSIC/Universidad de Sevilla, Unidad Clínica de Enfermedades Infecciosas, Microbiología y Parasitología, 41013 Sevilla, Spain.
| | - E Ruiz-Mateos
- Instituto de Biomedicina de Sevilla, IBiS/Virgen del Rocío University Hospital/CSIC/Universidad de Sevilla, Unidad Clínica de Enfermedades Infecciosas, Microbiología y Parasitología, 41013 Sevilla, Spain.
| | - Francisco J Ostos
- Departmento de Bioquímica Médica y Biología Molecular e Inmunología, Facultad de Medicina, Universidad de Sevilla, 41009 Sevilla, Spain; Instituto de Biomedicina de Sevilla, IBiS/Virgen del Rocío University Hospital/CSIC/Universidad de Sevilla, Unidad Clínica de Enfermedades Infecciosas, Microbiología y Parasitología, 41013 Sevilla, Spain.
| | - Alberto Romero
- Departmento de Ingeniería Química, Facultad de Química, Escuela Politécnica Superior, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - Víctor M Perez-Puyana
- Departmento de Ingeniería Química, Facultad de Química, Escuela Politécnica Superior, Universidad de Sevilla, 41012 Sevilla, Spain.
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2
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Yuniarsih N, Chaerunisaa AY, Elamin KM, Wathoni N. Polymeric Nanohydrogel in Topical Drug Delivery System. Int J Nanomedicine 2024; 19:2733-2754. [PMID: 38505165 PMCID: PMC10950079 DOI: 10.2147/ijn.s442123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 02/15/2024] [Indexed: 03/21/2024] Open
Abstract
Nanohydrogels (NH) are biodegradable polymers that have been extensively studied and utilized for various biomedical applications. Drugs in a topical medication are absorbed via the skin and carried to the intended location, where they are metabolized and eliminated from the body. With a focus on their pertinent contemporary treatments, this review aims to give a complete overview of recent advances in the creation and application of polymer NH in biomedicine. We will explore the key features that have driven advances in nanotechnology and discuss the significance of nanohydrogel-based formulations as vehicles for delivering therapeutic agents topically. The review will also cover the latest findings and references from the literature to support the advancements in nanotechnological technology related to the preparation and application of NH. In addition, we will also discuss the unique properties and potential applications of NH as drug delivery systems (DDS) for skin applications, underscoring their potential for effective topical therapeutic delivery. The challenge lies in efficiently delivering drugs through the skin's barrier to specific areas with high control. Environmentally sensitive systems, like polymer-based NH, show promise in treating dermatological conditions. Polymers are pivotal in developing these drug delivery systems, with NH offering advantages such as versatile drug loading, controlled release, and enhanced skin penetration.
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Affiliation(s)
- Nia Yuniarsih
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, 45363, Indonesia
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universitas Buana Perjuangan Karawang, Karawang, 41361, Indonesia
| | - Anis Yohana Chaerunisaa
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, 45363, Indonesia
| | - Khaled M Elamin
- Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, 862-0973, Japan
| | - Nasrul Wathoni
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, 45363, Indonesia
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3
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Meng J, Mao G, Zhu Z, Li Q, Lin X, Wang L, Li Y, Huang Y. Novel Environmentally Responsive Polyvinyl Polyamine Hydrogels Capable of Phase Transformation with Temperature for Applications in Reservoir Profile Control. Gels 2023; 9:950. [PMID: 38131936 PMCID: PMC10742972 DOI: 10.3390/gels9120950] [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: 10/30/2023] [Revised: 11/24/2023] [Accepted: 12/01/2023] [Indexed: 12/23/2023] Open
Abstract
Hydrogel has been widely used in reservoir regulation for enhancing oil recovery, however, this process can experience negative influences on the properties and effects of the hydrogels. Therefore, developing novel hydrogels with excellent environmental responsiveness would improve the formation adaptability of hydrogels. In this study, novel polyvinyl polyamine hydrogels were synthesized by a ring-opening addition reaction between polyvinyl polyamines and polyethylene glycol glycidyl ether. The results of atomic force microscopy and transmission electron microscopy showed that the polyvinyl polyamine gel had a porous and irregular bulk structure and was endowed with water storage. With the temperature rising from 30 °C to 60 °C, the transmittance of diethylenetriamine hydrogel decreased from 84.3% to 18.8%, indicating that a phase transition had occurred. After the polyvinyl polyamine hydrogel with low initial viscosity was injected into the formation in the liquid phase, the increase of the reservoir temperature caused it to turn into an elastomer, thereby migrating to the depth of the reservoir and achieving effective plugging. Polyvinyl polyamine hydrogel could improve the profile of heterogeneous layers significantly by forcing subsequent fluids into the low permeability zone in the form of elastomers in the medium temperature reservoirs of 40-60 °C. The novel environmentally responsive polyvinyl polyamine hydrogels, capable of phase transformation with temperature, exhibited superior performance in recovering residual oil, which was beneficial for applications in reservoir profile control and oilfield development.
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Affiliation(s)
- Jianxun Meng
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, China;
- Research Institute of Oil Production Engineering, Daqing Oilfield Limited Company, Daqing 163453, China; (Q.L.); (X.L.); (L.W.); (Y.L.)
- Heilongjiang Provincial Key Laboratory of Oil and Gas Reservoir Stimulation, Daqing 163453, China
| | - Guoliang Mao
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, China;
| | - Zhixuan Zhu
- Research Institute of Oil Production Engineering, Daqing Oilfield Limited Company, Daqing 163453, China; (Q.L.); (X.L.); (L.W.); (Y.L.)
- Heilongjiang Provincial Key Laboratory of Oil and Gas Reservoir Stimulation, Daqing 163453, China
| | - Qingsong Li
- Research Institute of Oil Production Engineering, Daqing Oilfield Limited Company, Daqing 163453, China; (Q.L.); (X.L.); (L.W.); (Y.L.)
- Heilongjiang Provincial Key Laboratory of Oil and Gas Reservoir Stimulation, Daqing 163453, China
| | - Xuesong Lin
- Research Institute of Oil Production Engineering, Daqing Oilfield Limited Company, Daqing 163453, China; (Q.L.); (X.L.); (L.W.); (Y.L.)
- Heilongjiang Provincial Key Laboratory of Oil and Gas Reservoir Stimulation, Daqing 163453, China
| | - Lichao Wang
- Research Institute of Oil Production Engineering, Daqing Oilfield Limited Company, Daqing 163453, China; (Q.L.); (X.L.); (L.W.); (Y.L.)
- Heilongjiang Provincial Key Laboratory of Oil and Gas Reservoir Stimulation, Daqing 163453, China
| | - Yiran Li
- Research Institute of Oil Production Engineering, Daqing Oilfield Limited Company, Daqing 163453, China; (Q.L.); (X.L.); (L.W.); (Y.L.)
- Heilongjiang Provincial Key Laboratory of Oil and Gas Reservoir Stimulation, Daqing 163453, China
| | - Yue Huang
- No. 2 Production Plant, Daqing Oilfield Limited Company, Daqing 163461, China;
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4
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Heyns IM, Davis G, Ganugula R, Ravi Kumar MNV, Arora M. Glucose-Responsive Microgel Comprising Conventional Insulin and Curcumin-Laden Nanoparticles: a Potential Combination for Diabetes Management. AAPS J 2023; 25:72. [PMID: 37442863 DOI: 10.1208/s12248-023-00839-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Successful management of type 2 diabetes mellitus (T2DM), a complex and chronic disease, requires a combination of anti-hyperglycemic and anti-inflammatory agents. Here, we have conceptualized and tested an integrated "closed-loop mimic" in the form of a glucose-responsive microgel (GRM) based on chitosan, comprising conventional insulin (INS) and curcumin-laden nanoparticles (nCUR) as a potential strategy for effective management of the disease. In addition to mimicking the normal, on-demand INS secretion, such delivery systems display an uninterrupted release of nCUR to combat the inflammation, oxidative stress, lipid metabolic abnormality, and endothelial dysfunction components of T2DM. Additives such as gum arabic (GA) led to a fivefold increased INS loading capacity compared to GRM without GA. The GRMs showed excellent in vitro on-demand INS release, while a constant nCUR release is observed irrespective of glucose concentrations. Thus, this study demonstrates a promising drug delivery technology that can simultaneously, and at physiological/pathophysiological relevance, deliver two drugs of distinct physicochemical attributes in the same formulation.
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Affiliation(s)
- Ingrid M Heyns
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama, USA
- Bioscience and Medicine Initiative, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama, USA
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama, USA
| | - Garrett Davis
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama, USA
- Bioscience and Medicine Initiative, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama, USA
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama, USA
- Department of Biological Sciences, The University of Alabama, SEC 1325, Box 870344, Tuscaloosa, Alabama, USA
| | - Raghu Ganugula
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama, USA
- Bioscience and Medicine Initiative, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama, USA
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama, USA
- Department of Biological Sciences, The University of Alabama, SEC 1325, Box 870344, Tuscaloosa, Alabama, USA
| | - M N V Ravi Kumar
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama, USA
- Bioscience and Medicine Initiative, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama, USA
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama, USA
- Department of Biological Sciences, The University of Alabama, SEC 1325, Box 870344, Tuscaloosa, Alabama, USA
- Chemical and Biological Engineering, University of Alabama, SEC 3448, Box 870203, Tuscaloosa, Alabama, USA
- Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Meenakshi Arora
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama, USA.
- Bioscience and Medicine Initiative, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama, USA.
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama, USA.
- Department of Biological Sciences, The University of Alabama, SEC 1325, Box 870344, Tuscaloosa, Alabama, USA.
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5
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Budai L, Budai M, Fülöpné Pápay ZE, Vilimi Z, Antal I. Rheological Considerations of Pharmaceutical Formulations: Focus on Viscoelasticity. Gels 2023; 9:469. [PMID: 37367140 DOI: 10.3390/gels9060469] [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: 05/09/2023] [Revised: 05/26/2023] [Accepted: 06/01/2023] [Indexed: 06/28/2023] Open
Abstract
Controlling rheological properties offers the opportunity to gain insight into the physical characteristics, structure, stability and drug release rate of formulations. To better understand the physical properties of hydrogels, not only rotational but also oscillatory experiments should be performed. Viscoelastic properties, including elastic and viscous properties, are measured using oscillatory rheology. The gel strength and elasticity of hydrogels are of great importance for pharmaceutical development as the application of viscoelastic preparations has considerably expanded in recent decades. Viscosupplementation, ophthalmic surgery and tissue engineering are just a few examples from the wide range of possible applications of viscoelastic hydrogels. Hyaluronic acid, alginate, gellan gum, pectin and chitosan are remarkable representatives of gelling agents that attract great attention applied in biomedical fields. This review provides a brief summary of rheological properties, highlighting the viscoelasticity of hydrogels with great potential in biomedicine.
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Affiliation(s)
- Lívia Budai
- Department of Pharmaceutics, Semmelweis University, 1092 Budapest, Hungary
| | - Marianna Budai
- Department of Pharmaceutics, Semmelweis University, 1092 Budapest, Hungary
| | | | - Zsófia Vilimi
- Department of Pharmaceutics, Semmelweis University, 1092 Budapest, Hungary
| | - István Antal
- Department of Pharmaceutics, Semmelweis University, 1092 Budapest, Hungary
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6
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Tatarusanu SM, Sava A, Profire BS, Pinteala T, Jitareanu A, Iacob AT, Lupascu F, Simionescu N, Rosca I, Profire L. New Smart Bioactive and Biomimetic Chitosan-Based Hydrogels for Wounds Care Management. Pharmaceutics 2023; 15:pharmaceutics15030975. [PMID: 36986836 PMCID: PMC10060009 DOI: 10.3390/pharmaceutics15030975] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/06/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Wound management represents a continuous challenge for health systems worldwide, considering the growing incidence of wound-related comorbidities, such as diabetes, high blood pressure, obesity, and autoimmune diseases. In this context, hydrogels are considered viable options since they mimic the skin structure and promote autolysis and growth factor synthesis. Unfortunately, hydrogels are associated with several drawbacks, such as low mechanical strength and the potential toxicity of byproducts released after crosslinking reactions. To overcome these aspects, in this study new smart chitosan (CS)-based hydrogels were developed, using oxidized chitosan (oxCS) and hyaluronic acid (oxHA) as nontoxic crosslinkers. Three active product ingredients (APIs) (fusidic acid, allantoin, and coenzyme Q10), with proven biological effects, were considered for inclusion in the 3D polymer matrix. Therefore, six API-CS-oxCS/oxHA hydrogels were obtained. The presence of dynamic imino bonds in the hydrogels' structure, which supports their self-healing and self-adapting properties, was confirmed by spectral methods. The hydrogels were characterized by SEM, swelling degree, pH, and the internal organization of the 3D matrix was studied by rheological behavior. Moreover, the cytotoxicity degree and the antimicrobial effects were also investigated. In conclusion, the developed API-CS-oxCS/oxHA hydrogels have real potential as smart materials in wound management, based on their self-healing and self-adapting properties, as well as on the benefits of APIs.
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Affiliation(s)
- Simona-Maria Tatarusanu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
- Research & Development Department, Antibiotice Company, 1 ValeaLupului Street, 707410 Iasi, Romania
| | - Alexandru Sava
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Bianca-Stefania Profire
- Department of Internal Medicine, Faculty of Medicine, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Tudor Pinteala
- Department of Orthopedics and Traumatology, Faculty of Medicine, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Alexandra Jitareanu
- Department of Toxicology, Faculty of Pharmacy, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Andreea-Teodora Iacob
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Florentina Lupascu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Natalia Simionescu
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, "PetruPoni" Institute of Macromolecular Chemistry, 41A GrigoreGhica-Voda Alley, 700487 Iasi, Romania
| | - Irina Rosca
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, "PetruPoni" Institute of Macromolecular Chemistry, 41A GrigoreGhica-Voda Alley, 700487 Iasi, Romania
| | - Lenuta Profire
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Grigore T. Popa" of Iasi, 16 Universitatii Street, 700115 Iași, Romania
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7
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Sánchez-Cid P, Romero A, Díaz M, de-Paz MV, Perez-Puyana V. Chitosan-based hydrogels obtained via photoinitiated click polymer IPN reaction. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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8
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Type-A Gelatin-Based Hydrogel Infiltration and Degradation in Titanium Foams as a Potential Method for Localised Drug Delivery. Polymers (Basel) 2023; 15:polym15020275. [PMID: 36679157 PMCID: PMC9866200 DOI: 10.3390/polym15020275] [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: 12/22/2022] [Revised: 12/31/2022] [Accepted: 01/01/2023] [Indexed: 01/06/2023] Open
Abstract
A gelatin-based hydrogel was infiltrated and degraded-released in two different titanium foams with porosities of 30 and 60 vol.% (Ti30 and Ti60 foams) and fabricated by the space holder technique to evaluate its potential to act as an innovative, alternative, and localised method to introduce both active pharmaceutical ingredients, such as antibiotics and non-steroidal anti-inflammatory drugs, and growth factors, such as morphogens, required after bone-tissue replacement surgeries. In addition, the kinetic behaviour was studied for both infiltration and degradation-release processes. A higher infiltration rate was observed in the Ti60 foam. The maximum infiltration hydrogel was achieved for the Ti30 and Ti60 foams after 120 min and 75 min, respectively. Further, both processes followed a Lucas-Washburn theoretical behaviour, typical for the infiltration of a fluid by capillarity in porous channels. Regarding the subsequent degradation-release process, both systems showed similar exponential degradation performance, with the full release from Ti60 foam (80 min), versus 45 min for Ti30, due to the greater interconnected porosity open to the surface of the Ti60 foam in comparison with the Ti30 foam. In addition, the optimal biocompatibility of the hydrogel was confirmed, with the total absence of cytotoxicity and the promotion of cell growth in the fibroblast cells evaluated.
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9
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Self-healing, antibacterial and anti-inflammatory chitosan-PEG hydrogels for ulcerated skin wound healing and drug delivery. BIOMATERIALS ADVANCES 2022; 139:212992. [PMID: 35882141 DOI: 10.1016/j.bioadv.2022.212992] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/07/2022] [Accepted: 06/12/2022] [Indexed: 02/08/2023]
Abstract
Great efforts have been performed on the production of advanced biomaterials with the combination of self-healing and wound healing properties in implant/tissue engineering biomedical area. Inspired by this idea, chitosan (CHI) based hydrogels can be used to treat a less investigated class of harmful chronic wounds: ulcers or pressure ulcers. Thus, CHI was crosslinked with previously synthesized polyethylene glycol diacid (PEG-diacid) to obtain different CHI-PEG hydrogel formulations with high H-bonding tendency resulting in self-repair ability. Here presented results show biocompatible, antibacterial, anti-inflammatory, and self-healing CHI-PEG hydrogels with a promising future in the treatment of ulcerated wounds by a significant improvement in metabolic activity (94.51 ± 4.38 %), collagen and elastin quantities (2.12 ± 0.63 μg collagen and 4.97 ± 0.61 μg elastin per mg dermal tissue) and histological analysis. Furthermore, cefuroxime (CFX), tetracycline (TCN) and amoxicillin (AMX) antibiotics, and acetylsalicylic acid (ASA) anti-inflammatory agent were sustainedly released for enhancing antibacterial and anti-inflammatory activities of hydrogels.
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10
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Sánchez-Cid P, Jiménez-Rosado M, Romero A, Pérez-Puyana V. Novel Trends in Hydrogel Development for Biomedical Applications: A Review. Polymers (Basel) 2022; 14:polym14153023. [PMID: 35893984 PMCID: PMC9370620 DOI: 10.3390/polym14153023] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 12/11/2022] Open
Abstract
Nowadays, there are still numerous challenges for well-known biomedical applications, such as tissue engineering (TE), wound healing and controlled drug delivery, which must be faced and solved. Hydrogels have been proposed as excellent candidates for these applications, as they have promising properties for the mentioned applications, including biocompatibility, biodegradability, great absorption capacity and tunable mechanical properties. However, depending on the material or the manufacturing method, the resulting hydrogel may not be up to the specific task for which it is designed, thus there are different approaches proposed to enhance hydrogel performance for the requirements of the application in question. The main purpose of this review article was to summarize the most recent trends of hydrogel technology, going through the most used polymeric materials and the most popular hydrogel synthesis methods in recent years, including different strategies of enhancing hydrogels’ properties, such as cross-linking and the manufacture of composite hydrogels. In addition, the secondary objective of this review was to briefly discuss other novel applications of hydrogels that have been proposed in the past few years which have drawn a lot of attention.
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Affiliation(s)
| | | | - Alberto Romero
- Correspondence: (P.S.-C.); (A.R.); Tel.: +34-954557179 (A.R.)
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11
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Synthesis of pH-Sensitive Cross-Linked Basil Seed Gum/Acrylic Acid Hydrogels by Free Radical Copolymerization Technique for Sustained Delivery of Captopril. Gels 2022; 8:gels8050291. [PMID: 35621589 PMCID: PMC9140626 DOI: 10.3390/gels8050291] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 04/28/2022] [Accepted: 05/06/2022] [Indexed: 11/16/2022] Open
Abstract
The pH-sensitive polymeric matrix of basil seed gum (BSG), with two different monomers, such as acrylic acid (AA) and N, N-Methylene-bis-acrylamide (MBA), was selected to use in hydrogels preparation through a free radical copolymerization technique using potassium per sulfate (KPS) as a cross linker. BSG, AA and MBA were used in multiple ratios to investigate the polymer, monomer and initiator effects on swelling properties and release pattern of captopril. Characterization of formulated hydrogels was done by FTIR, DSC/TGA, XRD and SEM techniques to confirm the stability. The hydrogels were subjected to a variety of tests, including dynamic swelling investigations, drug loading, in vitro drug release, sol–gel analyses and rheological studies. FTIR analysis confirmed that after the polymeric reaction of BSG with the AA monomer, AA chains grafted onto the backbone of BSG. The SEM micrographs illustrated an irregular, rough, and porous form of surface. Gel content was increased by increasing the contents of polymeric gum (BSG) with monomers (AA and MBA). Acidic and basic pH effects highlighted the difference between the swelling properties with BSG and AA on increasing concentration. Kinetic modelling suggested that Korsmeyer Peppas model release pattern was followed by the drug with the non-Fickian diffusion mechanism.
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12
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El-Gayar MH, Ishak RAH, Esmat A, Aboulwafa MM, Aboshanab KM. Evaluation of lyophilized royal jelly and garlic extract emulgels using a murine model infected with methicillin-resistant Staphylococcus aureus. AMB Express 2022; 12:37. [PMID: 35312896 PMCID: PMC8938573 DOI: 10.1186/s13568-022-01378-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/13/2022] [Indexed: 11/10/2022] Open
Abstract
The limited therapeutic options associated with methicillin-resistant Staphylococcus aureus (MRSA) necessitate search for innovative strategies particularly, use of natural extracts such as lyophilized royal jelly (LRJ) and garlic extract (GE). Therefore, out study aimed to formulate emulgels containing different concentrations of both LRJ and GE and to evaluate their activities using a murine model infected with MRSA clinical isolate. Four plain emulgel formulas were prepared by mixing stearic acid/yellow soft paraffin-based O/W emulsion formulae based on Carbopol 940, Na alginate, Na carboxymethylcellulose or Hydroxypropyl methyl cellulose E4. Sodium alginate-based emulgel was selected for preparation of four medicated emulgel formulations combining LRJ and GE at four different concentrations. The selected medicated emulgels were used for the in vivo studies. The emulgel formulated with Na alginate and HPMC (MF3) exhibited optimum smooth homogeneous consistency, neutral pH, acceptable viscosity, spreadability, extrudability values and best storage stability properties. In vivo results revealed that, the wounds infected with MRSA isolate in rates were wet (oozing) and showed pus formation when compared to injured uninfected wounds. MF3 formula containing 4% LRJ and 50% GE showed the maximum wound healing properties, both in the apparent physical wound healing measurements and in the histopathological examination. In conclusion, the medicated emulgel formulation (MF3) prepared with Na alginate was found optimum for topical application. MF3 formula containing 4% LRJ and 50% GE has shown the highest in vivo wound healing capacities. Further clinical studies should be conducted to prove both its safety and efficacy and the potential use in human. Four plain emulgel formulas were prepared and investigated for physiochemical and stability properties (F1–F4). The emulgel F3 exhibited optimum smooth homogeneous consistency, neutral pH, acceptable viscosity, spreadability, extrudability values and best storage stability properties. A murine skin model infected with clinical MRSA isolate was established and wounds were monitored via apparent physical wound healing measurements and histopathological examination. The MF3 containing 4% LRJ and 50% GE has shown the highest in vivo wound healing capacities.
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Sánchez-Cid P, Jiménez-Rosado M, Rubio-Valle JF, Romero A, Ostos FJ, Rafii-El-Idrissi Benhnia M, Perez-Puyana V. Biocompatible and Thermoresistant Hydrogels Based on Collagen and Chitosan. Polymers (Basel) 2022; 14:272. [PMID: 35054678 PMCID: PMC8781623 DOI: 10.3390/polym14020272] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 02/08/2023] Open
Abstract
Hydrogels are considered good biomaterials for soft tissue regeneration. In this sense, collagen is the most used raw material to develop hydrogels, due to its high biocompatibility. However, its low mechanical resistance, thermal stability and pH instability have generated the need to look for alternatives to its use. In this sense, the combination of collagen with another raw material (i.e., polysaccharides) can improve the final properties of hydrogels. For this reason, the main objective of this work was the development of hydrogels based on collagen and chitosan. The mechanical, thermal and microstructural properties of the hydrogels formed with different ratios of collagen/chitosan (100/0, 75/25, 50/50, 25/75 and 0/100) were evaluated after being processed by two variants of a protocol consisting in two stages: a pH change towards pH 7 and a temperature drop towards 4 °C. The main results showed that depending on the protocol, the physicochemical and microstructural properties of the hybrid hydrogels were similar to the unitary system depending on the stage carried out in first place, obtaining FTIR peaks with similar intensity or a more porous structure when chitosan was first gelled, instead of collagen. As a conclusion, the synergy between collagen and chitosan improved the properties of the hydrogels, showing good thermomechanical properties and cell viability to be used as potential biomaterials for Tissue Engineering.
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Affiliation(s)
- Pablo Sánchez-Cid
- Chemical Engineering Department, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (P.S.-C.); (A.R.)
| | - Mercedes Jiménez-Rosado
- Chemical Engineering Department, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (P.S.-C.); (A.R.)
| | - José Fernando Rubio-Valle
- Pro2TecS-Chemical Product and Process Technology Research Centre, Chemical Engineering Department, University of Huelva, 21071 Huelva, Spain;
| | - Alberto Romero
- Chemical Engineering Department, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (P.S.-C.); (A.R.)
| | - Francisco J. Ostos
- Clinical Unit of Infectious Diseases, Microbiology and Preventive Medicine, Institute of Biomedicine of Seville (IBiS), Virgen del Rocío University Hospital, CSIC, University of Seville, 41013 Seville, Spain; (F.J.O.); (M.R.-E.-I.B.)
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, 41009 Seville, Spain
| | - Mohammed Rafii-El-Idrissi Benhnia
- Clinical Unit of Infectious Diseases, Microbiology and Preventive Medicine, Institute of Biomedicine of Seville (IBiS), Virgen del Rocío University Hospital, CSIC, University of Seville, 41013 Seville, Spain; (F.J.O.); (M.R.-E.-I.B.)
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, 41009 Seville, Spain
| | - Victor Perez-Puyana
- Chemical Engineering Department, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (P.S.-C.); (A.R.)
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14
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Céspedes-Valenzuela DN, Sánchez-Rentería S, Cifuentes J, Gantiva-Diaz M, Serna JA, Reyes LH, Ostos C, Cifuentes-De la Portilla C, Muñoz-Camargo C, Cruz JC. Preparation and Characterization of an Injectable and Photo-Responsive Chitosan Methacrylate/Graphene Oxide Hydrogel: Potential Applications in Bone Tissue Adhesion and Repair. Polymers (Basel) 2021; 14:polym14010126. [PMID: 35012148 PMCID: PMC8747203 DOI: 10.3390/polym14010126] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 12/20/2022] Open
Abstract
As life expectancy continues to increase, the inevitable weakening and rupture of bone tissue have grown as concerns in the medical community, thus leading to the need for adhesive materials suitable for bone repair applications. However, current commercially available adhesives face certain drawbacks that prevent proper tissue repair, such as low biocompatibility, poor adhesion to wet surfaces, and the need for high polymerization temperatures. This work aims to develop an injectable and photo-responsive chitosan methacrylate/graphene oxide (ChiMA/GO) adhesive nanocomposite hydrogel of high biocompatibility that is easy to apply by simple extrusion and that offers the possibility for in situ polymer and physiological temperatures. The nanocomposite was thoroughly characterized spectroscopically, microscopically, rheologically, thermally, and through mechanical, textural, and biological assays to fully evaluate its correct synthesis and functionalization and its performance under physiological conditions that mimic those observed in vivo. In addition, a finite element analysis (FEA) simulation was used to evaluate its performance in femur fractures. Results suggest the material’s potential as a bioadhesive, as it can polymerize at room temperature, shows superior stability in physiological media, and is capable of withstanding loads from body weight and movement. Moreover, the material showed remarkable biocompatibility as evidenced by low hemolytic and intermediate platelet aggregation tendencies, and high cytocompatibility when in contact with osteoblasts. The comprehensive studies presented here strongly suggest that the developed hydrogels are promising alternatives to conventional bone adhesives that might be further tested in vivo in the near future.
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Affiliation(s)
- Daniela N. Céspedes-Valenzuela
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
| | - Santiago Sánchez-Rentería
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
| | - Javier Cifuentes
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
| | - Mónica Gantiva-Diaz
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
- Grupo de Investigación en Biomecánica (IBIOMECH), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia;
| | - Julian A. Serna
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
| | - Luis H. Reyes
- Department of Chemical and Food Engineering, School of Engineering, Universidad de Los Andes, Carrera 1 No. 18A-12, Bogota 111711, Colombia;
| | - Carlos Ostos
- Grupo CATALAD, Instituto de Química, Universidad de Antioquia, Medellin 050010, Colombia;
| | - Christian Cifuentes-De la Portilla
- Grupo de Investigación en Biomecánica (IBIOMECH), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia;
| | - Carolina Muñoz-Camargo
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
- Correspondence: (C.M.-C.); (J.C.C.); Tel.: +57-13-394-949 (ext. 1789) (J.C.C.)
| | - Juan C. Cruz
- Grupo de Investigación en Nanobiomateriales, Ingeniería Celular y Bioimpresión (GINIB), Department of Biomedical Engineering, Universidad de los Andes, Bogota 111711, Colombia; (D.N.C.-V.); (S.S.-R.); (J.C.); (M.G.-D.); (J.A.S.)
- Correspondence: (C.M.-C.); (J.C.C.); Tel.: +57-13-394-949 (ext. 1789) (J.C.C.)
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