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Plugariu IA, Bercea M, Gradinaru LM, Rusu D, Lupu A. Poly(vinyl alcohol)/Pullulan Composite Hydrogels as a Potential Platform for Wound Dressing Applications. Gels 2023; 9:580. [PMID: 37504459 PMCID: PMC10378848 DOI: 10.3390/gels9070580] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023] Open
Abstract
Hydrogels are 3D networks with an excellent ability to retain a high amount of water or biological fluids, representing suitable candidates for wound dressing applications. They can provide a protective barrier and a moist environment, facilitating wound treatment. The present paper focuses on physical hydrogels obtained from poly(vinyl alcohol) (PVA) and pullulan (PULL) mixtures in different weight ratios by using the freezing/thawing method. Hybrid hydrogels of similar polymer compositions were prepared in the presence of 0.5% Laponite® RD. The influence of polysaccharide and clay addition on the properties of PVA hydrogels was investigated. Scanning electron microscopy showed evidence of the inner porous structure. The viscoelastic properties were investigated in different shear conditions and revealed the influence of the hydrogel composition on the network strength. The swelling behavior was followed in physiological saline solutions at 37 °C and pH = 7.4. For all samples, a quasi-Fickian diffusion mechanism was found. The delivery of neomycin sulfate was studied in similar conditions as for the swelling tests (0.15 M NaCl solutions; 37 °C; pH = 7.4) and different kinetic models were used to determine the release mechanism. The Peppas-Sahlin approach described very well the in vitro drug release mechanism from the polymeric hydrogels in the absence of clay. However, the hybrid polymer/clay hydrogels showed the best fit with the Korsmeyer-Peppas model. According to the present study, the porous membranes containing 40-60% PULL (in absence of clay) are suitable for the release of therapeutic agents at wound sites in physiological conditions.
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Affiliation(s)
- Ioana-Alexandra Plugariu
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Maria Bercea
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Luiza Madalina Gradinaru
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Daniela Rusu
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Alexandra Lupu
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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Omidian H, Dey Chowdhury S, Babanejad N. Cryogels: Advancing Biomaterials for Transformative Biomedical Applications. Pharmaceutics 2023; 15:1836. [PMID: 37514023 PMCID: PMC10384998 DOI: 10.3390/pharmaceutics15071836] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 07/30/2023] Open
Abstract
Cryogels, composed of synthetic and natural materials, have emerged as versatile biomaterials with applications in tissue engineering, controlled drug delivery, regenerative medicine, and therapeutics. However, optimizing cryogel properties, such as mechanical strength and release profiles, remains challenging. To advance the field, researchers are exploring advanced manufacturing techniques, biomimetic design, and addressing long-term stability. Combination therapies and drug delivery systems using cryogels show promise. In vivo evaluation and clinical trials are crucial for safety and efficacy. Overcoming practical challenges, including scalability, structural integrity, mass transfer constraints, biocompatibility, seamless integration, and cost-effectiveness, is essential. By addressing these challenges, cryogels can transform biomedical applications with innovative biomaterials.
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Affiliation(s)
- Hossein Omidian
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
| | - Sumana Dey Chowdhury
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
| | - Niloofar Babanejad
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
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Souza IMS, García-Villén F, Viseras C, Perger SBC. Zeolites as Ingredients of Medicinal Products. Pharmaceutics 2023; 15:pharmaceutics15051352. [PMID: 37242594 DOI: 10.3390/pharmaceutics15051352] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/18/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Development of new medicinal products for particular therapeutic treatment or for better manipulations with better quality and less side effects are possible as a result of advanced inorganic and organic materials application, among which zeolites, due to their properties and versatility, have been gaining attention. This paper is an overview of the development in the use of zeolite materials and their composites and modifications as medicinal products for several purposes such as active agents, carriers, for topical treatments, oral formulations, anticancer, the composition of theragnostic systems, vaccines, parenteral dosage forms, tissue engineering, etc. The objective of this review is to explore the main properties of zeolites and associate them with their drug interaction, mainly addressing the advances and studies related to the use of zeolites for different types of treatments due to their zeolite characteristics such as molecule storage capacity, physical and chemical stability, cation exchange capacity, and possibility of functionalization. The use of computational tools to predict the drug-zeolite interaction is also explored. As conclusion was possible to realize the possibilities and versatility of zeolite applications as being able to act in several aspects of medicinal products.
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Affiliation(s)
- Iane M S Souza
- Laboratório de Peneiras Moleculares, Universidade Federal do Rio Grande do Norte, Natal 59078-970, Brazil
| | - Fátima García-Villén
- NanoBioCel Group, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006 Vitoria-Gasteiz, Spain
| | - César Viseras
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus Cartuja s/n, 18071 Granada, Spain
- Andalusian Institute of Earth Sciences, CSIC-University of Granada, Armilla, 18100 Granada, Spain
| | - Sibele B C Perger
- Laboratório de Peneiras Moleculares, Universidade Federal do Rio Grande do Norte, Natal 59078-970, Brazil
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T. M. Kadja G, T. U. Culsum N, Putri RM. Recent advances in the utilization of zeolite-based materials for controlled drug delivery. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100910] [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] Open
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Biomaterials Based on Chitosan and Polyvinyl Alcohol as a Drug Delivery System with Wound-Healing Effects. Gels 2023; 9:gels9020122. [PMID: 36826292 PMCID: PMC9957424 DOI: 10.3390/gels9020122] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/22/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023] Open
Abstract
The excellent biological properties of chitosan (CS) together with the increased oxygen permeability of polyvinyl alcohol (PVA) were the prerequisites for the creation of a wound healing dressing that would also function as a system for L-arginine (L-arg) and caffeine (Caff) delivery. Using the freezing/thawing method, 12 hydrogels were obtained in PVA:CS polymer ratios of 90:10, 75:25, and 60:40, and all were loaded with L-arg, Caff, and the mixture of L-arg and Caff, respectively. Afterwards, an inorganic material (zeolite-Z) was added to the best polymeric ratio (75:25) and loaded with active substances. The interactions between the constituents of the hydrogels were analyzed by FTIR spectroscopy, the uniformity of the network was highlighted by the SEM technique, and the dynamic water vapor sorption capacity was evaluated. In the presence of the inorganic material, the release profile of the active substances is delayed, and in vitro permeation kinetics proves that the equilibrium state is not reached even after four hours. The synergy of the constituents in the polymer network recommends that they be used in medical applications, such as wound healing dressings.
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Hezarkhani M, Ustürk S, Özbilenler C, Yilmaz E. Pullulan/poly(
N‐vinylimidazole
) cryogel: An efficient adsorbent for methyl orange. J Appl Polym Sci 2021. [DOI: 10.1002/app.50958] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Marjan Hezarkhani
- Department of Chemistry, Faculty of Arts and Sciences Eastern Mediterranean University Famagusta Turkey
- Sabanci University Integrated Manufacturing Technologies Research and Application Center & Composite Technologies Center of Excellence İstanbul Turkey
| | - Selma Ustürk
- Department of Chemistry, Faculty of Arts and Sciences Eastern Mediterranean University Famagusta Turkey
| | - Cahit Özbilenler
- Department of Chemistry, Faculty of Arts and Sciences Eastern Mediterranean University Famagusta Turkey
| | - Elvan Yilmaz
- Department of Chemistry, Faculty of Arts and Sciences Eastern Mediterranean University Famagusta Turkey
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Servatan M, Zarrintaj P, Mahmodi G, Kim SJ, Ganjali MR, Saeb MR, Mozafari M. Zeolites in drug delivery: Progress, challenges and opportunities. Drug Discov Today 2020; 25:642-656. [DOI: 10.1016/j.drudis.2020.02.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 01/12/2020] [Accepted: 02/07/2020] [Indexed: 12/11/2022]
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Baron RI, Culica ME, Biliuta G, Bercea M, Gherman S, Zavastin D, Ochiuz L, Avadanei M, Coseri S. Physical Hydrogels of Oxidized Polysaccharides and Poly(Vinyl Alcohol) for Wound Dressing Applications. MATERIALS 2019; 12:ma12091569. [PMID: 31086081 PMCID: PMC6539012 DOI: 10.3390/ma12091569] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 01/04/2023]
Abstract
Two natural polymers, i.e., cellulose and water soluble pullulan, have been selectively oxidized employing the TEMPO-mediated protocol, to allow the introduction of C6-OOH groups. Thereafter, the composite hydrogels of poly(vinyl alcohol) (PVA) and different content of the oxidized polysaccharides were prepared by the freezing/thawing method. The Fourier transform infrared spectroscopy (FTIR) has been used to discuss the degree of interaction between the hydrogels constituents into the physical network. The homogeneity of the prepared hydrogels as revealed by the SEM show an excellent distribution of the oxidized polysaccharides inside the PVA matrix. The samples exhibit self-healing features, since they quickly recover the initial structure after being subjected to a large deformation. The cell viability was performed for the selected hydrogels, all of them showing promising results. The samples are able to load L-arginine both by physical phenomena, such as diffusion, and also by chemical phenomena, when imine-type bonds are likely to be formed. The synergism between the two constituents, PVA and oxidized polysaccharides, into the physical network, propose these hydrogels for many other biomedical applications.
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Affiliation(s)
- Raluca Ioana Baron
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Madalina Elena Culica
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Gabriela Biliuta
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Maria Bercea
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Simona Gherman
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, 16th University Str., 700115 Iasi, Romania.
| | - Daniela Zavastin
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, 16th University Str., 700115 Iasi, Romania.
| | - Lacramioara Ochiuz
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, 16th University Str., 700115 Iasi, Romania.
| | - Mihaela Avadanei
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Sergiu Coseri
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
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Bercea M, Biliuta G, Avadanei M, Baron RI, Butnaru M, Coseri S. Self-healing hydrogels of oxidized pullulan and poly(vinyl alcohol). Carbohydr Polym 2019; 206:210-219. [DOI: 10.1016/j.carbpol.2018.11.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/13/2018] [Accepted: 11/01/2018] [Indexed: 12/28/2022]
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