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Khan S, Minhas MU. Micro array patch assisted transdermal delivery of high dose, ibuprofen sodium using thermoresponsive sodium alginate/poly (vinylcaprolactam) in situ gels depot. Int J Biol Macromol 2023; 252:126464. [PMID: 37619682 DOI: 10.1016/j.ijbiomac.2023.126464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 08/15/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
Current study reports the combined technique of microneedle array patches and thermoresponsive gels. Microneedles array patch mediated insitu skin depots were evaluated for sustain drug delivery using sodium alginate/Poly (vinylcaprolactam) thermoresponsive gels. Their phase transition property from sol-gel state was monitored with AR2000 rheometer. Ibuprofen sodium was loaded in optimized formulations. The non-soluble cross-linked microneedle array patches (MAPs) were prepared from variable biocompatible polymers using silicone micromoulds. The fabricated MAPs were evaluated for mechanical stability, inskin dissolution, insertion forces and moisture contents. The penetration depth of MAPs in neonatal rabbit skin was tracked by optical coherence tomography. The optimized MAPs (GP10000) were used as microporation source in skin owing to their stable nature. Pores formation in skin samples after MAPs treatment was confirmed by optical coherence tomography, dye binding and skin integrity analysis. The invitro permeation of Ibuprofen sodium from formulations was studied using Franz cells across intact skin and MAPs applied skin. It was concluded from the results that Ibuprofen sodium permeation was observed for longer time through MAPs treated skin as compared to intact skin. Confocal study confirmed the diffusion of drug loaded formulations in deeper tissues with higher intensity.
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Affiliation(s)
- Samiullah Khan
- Centre for Eye and Vision Research, 17W Science Park, Hong Kong.
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2
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Wang H, Xia H, Yang W, Xu Z, Natsuki T, Ni QQ. Improving the Performance of Poly(caprolactone)-Cellulose Acetate-Tannic Acid Tubular Scaffolds by Mussel-Inspired Coating. Biomacromolecules 2023; 24:4138-4147. [PMID: 37640397 DOI: 10.1021/acs.biomac.3c00493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Small-diameter artificial blood vessels are increasingly being used in clinical practice. However, these vessels are prone to thrombus, and it is necessary to improve blood compatibility. Surface coating is one of the commonly used methods in this regard. Inspired by the biomimicry of mussels, the use of deposition technology to obtain coating coverage on the surface of fibers has significantly piqued the interest of researchers recently. In this study, tubular scaffolds consisting of a composite of poly(caprolactone), cellulose acetate, and tannic acid (TA) were electrospun, and then the scaffolds were treated with different Fe(III) solutions (iron(III) chloride hexahydrate (FeCl3'6H2O)) to obtain four tubular scaffolds: F0, F5, F15, and F45. According to scanning electron microscopy (SEM) and field emission-SEM results, TA/Fe(III) complex is coated on the fiber of the scaffold after post-treatment; the fiber surface morphology changes with different Fe(III) concentrations. This provides designability to the performance of tubular scaffolds. The tensile strength of the F5 tubular scaffold (3.33 MPa) is higher than that of F45 (3.14 MPa), while the strain (83.9%) of the F45 tubular stent was 2.26 times that of the F5 (37.2%). In addition, cytotoxicity and antithrombotic performance were evaluated. The test results show that surface TA/Fe(III) coating treatment can affect the cytotoxicity and anticoagulation performance of the scaffold surface. The biomimetic TA/Fe(III) coating of mussels used in this study improves the performance of artificial blood vessels.
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Affiliation(s)
- Hao Wang
- Interdisciplinary Graduate School of Science and Technology, Shinshu University, Ueda 386-8567, Japan
| | - Hong Xia
- Department of Mechanical Engineering and Robotics, Shinshu University, Ueda 386-8567, Japan
| | - Wendan Yang
- Interdisciplinary Graduate School of Science and Technology, Shinshu University, Ueda 386-8567, Japan
| | - Zhenzhen Xu
- College of Textiles and Garments, Anhui Polytechnic University, Wuhu, 241000 Anhui, China
| | - Toshiaki Natsuki
- Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
- Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda 386-8567, Japan
| | - Qing-Qing Ni
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
- Department of Mechanical Engineering and Robotics, Shinshu University, Ueda 386-8567, Japan
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3
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Bang J, Kim JH, Park SW, Kim J, Jung M, Jung S, Kim JC, Choi IG, Kwak HW. Effect of chemically modified lignin addition on the physicochemical properties of PCL nanofibers. Int J Biol Macromol 2023; 240:124330. [PMID: 37023881 DOI: 10.1016/j.ijbiomac.2023.124330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/08/2023]
Abstract
In this study, a chemically modified lignin additive was successfully prepared to improve the physicochemical properties of biodegradable polycaprolactone (PCL)-based nanofibers. The molecular weight and surface functional group characteristics of lignin were effectively controlled through a solvent fractionation process using ethanol. Then, PCL-g-lignin was successfully synthesized by using ethanol-fractionated lignin as a platform for the PCL grafting process. Finally, PCL/PCL-g-lignin composite nanofibers were simply prepared by adding PCL-g-lignin to the PCL doping solution and performing a solution blow spinning process. The addition of PCL-g-lignin could dramatically improve the physical and chemical properties of PCL nanofibers, and in particular, the tensile strength (0.28 MPa) increased by approximately 280 % compared to the conventional PCL. In addition, the lignin moiety present in PCL-g-lignin was able to impart UV blocking properties to PCL nanofibers, and as a result, it was possible to effectively suppress the photolysis phenomenon that occurred rapidly in existing PCL nanofibers. Therefore, PCL-g-lignin may be widely used not only as a reinforcing agent of existing biodegradable nanofibers but also as a functional additive for UV protection.
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Affiliation(s)
- Junsik Bang
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Jong-Hwa Kim
- Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Sang-Woo Park
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Jungkyu Kim
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Minjung Jung
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Seungoh Jung
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Jong Chan Kim
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - In-Gyu Choi
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea
| | - Hyo Won Kwak
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea.
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4
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Wang H, Xia H, Xu Z, Natsuki T, Ni QQ. Effect of surface structure on the antithrombogenicity performance of poly(-caprolactone)-cellulose acetate small-diameter tubular scaffolds. Int J Biol Macromol 2023; 226:132-142. [PMID: 36470437 DOI: 10.1016/j.ijbiomac.2022.11.315] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 11/08/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Small-diameter artificial blood vessels have always faced the problem of thrombosis. In this research, three types of poly(-caprolactone)-cellulose acetate (PCL-CA) composite nanofiber membranes were prepared by various collectors to make into a tubular scaffold with a 4.5-mm diameter. The collector consisted of two sizes of stainless steel wire mesh large-mesh (LM) and small-mesh (SM), respectively. There is also a random flat (RF) that acts as the third type collector. The nanofiber membrane's surface structure mimicked the collectors' surface morphology, they named LM, SM and RF scaffolds. The water contact angles of RF and LM scaffolds are 126.5° and 105.5°, and the distinct square-groove construction greatly improves the contact angle of LM. The tubular scaffolds' radial mechanical property test demonstrated that the large-mesh (LM) tubular scaffold enhanced the strain and tensile strength; the tensile strength and strain are 30 % and 148 % higher than that of the random-flat (RF) tubular scaffold, respectively. The suture retention strength value of the LM tubular scaffold was 103 % higher than that of the RF tubular scaffold. The cytotoxicity and antithrombogenicity performance were also evaluated, the LM tubular scaffold has 88 % cell viability, and the 5-min blood coagulation index (BCI) value was 89 %, which is much higher than other tubular scaffolds. The findings indicate that changing the tubular scaffold's surface morphology cannot only enhance the mechanical and hydrophilic properties but also increase cell survival and antithrombogenicity performance. Thus, the development of a small-diameter artificial blood vessel will be a big step toward solving the problem on thrombosis. Furthermore, artificial blood vessel is expected to be a candidate material for biomedical applications.
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Affiliation(s)
- Hao Wang
- Interdisciplinary Graduate School of Science and Technology, Shinshu University, Ueda 386-8567, Japan
| | - Hong Xia
- Department of Mechanical Engineering and Robotics, Shinshu University, Ueda 386-8567, Japan
| | - Zhenzhen Xu
- College of Textiles and Garments, Anhui Polytechnic University, Wuhu 241000, Anhui, China.
| | - Toshiaki Natsuki
- Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan; Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda 386-8567, Japan
| | - Qing-Qing Ni
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China; Department of Mechanical Engineering and Robotics, Shinshu University, Ueda 386-8567, Japan; Key Laboratory of Advanced Textile Materials and Manufacturing Technology Ministry of Education Zhejiang Sci-Tech University, 310018 Hangzhou, China.
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Ge S, Zhu X, Zhang C, Jia D, Shang W, Ding C, Yang J, Feng Y. Nanosilica-Anchored Polycaprolactone/Chitosan Nanofibrous Bioscaffold to Boost Osteogenesis for Bone Tissue Engineering. Molecules 2022; 27. [PMID: 36557965 DOI: 10.3390/molecules27248832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/03/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022]
Abstract
The strategy of incorporating bioactive inorganic nanomaterials without side effects as osteoinductive supplements is promising for bone regeneration. In this work, a novel biomass nanofibrous scaffold synthesized by electrospinning silica (SiO2) nanoparticles into polycaprolactone/chitosan (PCL/CS) nanofibers was reported for bone tissue engineering. The nanosilica-anchored PCL/CS nanofibrous bioscaffold (PCL/CS/SiO2) exhibited an interlinked continuous fibers framework with SiO2 nanoparticles embedded in the fibers. Compact bone-derived cells (CBDCs), the stem cells derived from the bone cortex of the mouse, were seeded to the nanofibrous bioscaffolds. Scanning electron microscopy and cell counting were used to observe the cell adhesion. The Counting Kit-8 (CCK-8) assay was used. Alkaline phosphatase (ALP), Alizarin red staining, real-time Polymerase Chain Reaction and Western blot tests were performed to confirm the osteogenesis of the CBDCs on the bioscaffolds. The research results demonstrated that the mechanical property of the PCL together with the antibacterial and hydrophilic properties of the CS are conducive to promoting cell adhesion, growth, migration, proliferation and differentiation. SiO2 nanoparticles, serving as bone induction factors, effectively promote the osteoblast differentiation and bone regeneration. This novel SiO2-anchored nanofibrous bioscaffold with superior bone induction activity provides a better way for bone tissue regeneration.
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Guastaferro M, Baldino L, Cardea S, Reverchon E. Supercritical processing of PCL and PCL-PEG blends to produce improved PCL-based porous scaffolds. J Supercrit Fluids 2022. [DOI: 10.1016/j.supflu.2022.105611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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7
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Akay O, Altinkok C, Acik G, Yuce H, Ege GK, Genc G. Preparation of a sustainable bio-copolymer based on Luffa cylindrica cellulose and poly(ɛ-caprolactone) for bioplastic applications. Int J Biol Macromol 2022; 196:98-106. [PMID: 34942206 DOI: 10.1016/j.ijbiomac.2021.12.051] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/16/2021] [Accepted: 12/07/2021] [Indexed: 12/15/2022]
Abstract
In this research, a bio-based graft copolymer (LCC-g-PCL) based on the cellulose of Luffa cylindrica (LCC) main chain possessing poly(ɛ-caprolactone) (PCL) pendant groups is synthesized through a grafting from approach via ring-opening polymerization (ROP). For this purpose, LCC, extracted from luffa sponges by combined method, is utilized for ROP of ɛ-caprolactone (ɛ-CL) as a macro-initiator in the presence of stannous octoate as a catalyst. Fourier transform infrared (FT-IR), proton and carbon nuclear magnetic resonance (1H NMR and 13C NMR) spectroscopies are utilized to structurally indicate the success of ROP, while the achieved graft copolymer is analyzed in detail by comparing with LCC and neat PCL in terms of wettability, thermal and degradation behaviors by conducting water contact angle (WCA) measurements, thermogravimetric and differential scanning calorimetry analyses (TGA and DSC) and in vitro both hydrolytic and enzymatic biodegradation tests, respectively. The results of conducted tests show that the incorporation of PCL groups on LCC provide the increasing hydrophobicity. In addition, the degradation behavior of the LCC-g-PCL copolymer is found to be more pronounced under enzymatic medium rather than hydrolytic conditions. It is anticipated from the results that LCC-g-PCL can be a potential eco-friendly material particularly in bioplastic industry.
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Affiliation(s)
- Ozge Akay
- Department of Mechatronics Engineering, Technology Faculty, Marmara University, 34722 Istanbul, Turkey
| | - Cagatay Altinkok
- Faculty of Science and Letters, Department of Chemistry, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey
| | - Gokhan Acik
- Department of Chemistry, Faculty of Science and Letters, Piri Reis University, Tuzla, TR-34940 Istanbul, Turkey.
| | - Huseyin Yuce
- Department of Mechatronics Engineering, Technology Faculty, Marmara University, 34722 Istanbul, Turkey
| | - Gozde Konuk Ege
- Mechatronics Program, Gedik Vocational High School, Istanbul Gedik University, 34913 Istanbul, Turkey
| | - Garip Genc
- Department of Mechatronics Engineering, Technology Faculty, Marmara University, 34722 Istanbul, Turkey
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8
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Shirzaei Sani I, Rezaei M, Baradar Khoshfetrat A, Razzaghi D. Preparation and characterization of polycaprolactone/chitosan-g-polycaprolactone/hydroxyapatite electrospun nanocomposite scaffolds for bone tissue engineering. Int J Biol Macromol 2021; 182:1638-1649. [PMID: 34052267 DOI: 10.1016/j.ijbiomac.2021.05.163] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 05/15/2021] [Accepted: 05/24/2021] [Indexed: 01/23/2023]
Abstract
Chitosan (CS) and poly (ε-caprolactone) (PCL) are two most usable polymers in biomedical applications. In this study, chitosan has been modified and incorporated with poly (ε-caprolactone) to fabricate bone tissue engineering scaffold. Moreover, hydroxyapatite nanoparticles were added to enhance bioactivity and mechanical properties of scaffold. Bulk and fibrous comparative results showed significant effect of fiber diameter and distribution on mechanical properties. Moreover, the incorporation of chitosan-g-poly (ε-caprolactone) (CS-g-PCL) significantly decreases fiber diameter of pure PCL scaffold. Furthermore, both CS-g-PCL and nHA enhance mineralization and degradation of the scaffold soaked in simulated body fluid (SBF) and phosphate buffered saline (PBS), respectively. In vitro cytocompatibility assays also confirmed high cell viability and proliferation on the samples. Taken together, the results suggest that the microfabricated nanocomposite scaffolds could be used in bone tissue engineering.
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Affiliation(s)
- Iman Shirzaei Sani
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran; Department of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran; Department of Mechanical Engineering, École de Technologie Supérieure, Université du Québec, Montréal, QC, Canada
| | - Mostafa Rezaei
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran; Department of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran.
| | - Ali Baradar Khoshfetrat
- Department of Chemical Engineering, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran
| | - Donya Razzaghi
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran; Department of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran
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Liparoti S, Franco P, Pantani R, De Marco I. Polycaprolactone/polyethylene-glycol capsules made by injection molding: A drug release modeling. Mater Sci Eng C Mater Biol Appl 2021; 123:112036. [PMID: 33812648 DOI: 10.1016/j.msec.2021.112036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 10/21/2022]
Abstract
Polycaprolactone (PCL)/Polyethylene-glycol (PEG) capsules are prepared by injection molding with the aim of producing Colon-specific Drug Delivery Systems (CDDS). PCL, being a gastroresistant polymer, is suitable for this kind of delivery; however, the release from PCL devices is too slow. For this reason, in this paper, different percentages of PEG (10, 20 and 30 w/w %) have been added to obtain blends able to modulate the release from PCL-based capsules. The drug release rate from PCL/PEG capsules increases with the PEG percentage; using PCL/PEG 70/30 w/w capsules, the drug release is suitable for CDDS. The experimental data have been modelled, accounting for three steps: the penetration of the release medium into the capsule, the drug dissolution in the release medium, and the drug migration from the capsule to the medium. The model accurately describes the data, showing a mass transfer coefficient strongly dependent on the PEG percentage.
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Affiliation(s)
- Sara Liparoti
- Department of Industrial Engineering (DIIn), University of Salerno, via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
| | - Paola Franco
- Department of Industrial Engineering (DIIn), University of Salerno, via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
| | - Roberto Pantani
- Department of Industrial Engineering (DIIn), University of Salerno, via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
| | - Iolanda De Marco
- Department of Industrial Engineering (DIIn), University of Salerno, via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy.
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Pacheco MS, Barbieri D, da Silva CF, de Moraes MA. A review on orally disintegrating films (ODFs) made from natural polymers such as pullulan, maltodextrin, starch, and others. Int J Biol Macromol 2021; 178:504-513. [PMID: 33647337 DOI: 10.1016/j.ijbiomac.2021.02.180] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/19/2021] [Accepted: 02/23/2021] [Indexed: 11/18/2022]
Abstract
In recent years, orally disintegrating films (ODFs) have been studied as alternative ways for drug administration. They can easily be applied into the mouth and quickly disintegrate, releasing the drug with no need of water ingestion and enabling absorption through the oral mucosa. The ODFs matrices are typically composed of hydrophilic polymers, in which the natural polymers are highlighted since they are polymers extracted from natural sources, non-toxic, biocompatible, biodegradable, and have favorable properties for this application. Besides that, natural polymers such as polysaccharides and proteins can be applied either alone or blended with other synthetic, semi-synthetic, or natural polymers to achieve better mechanical and mucoadhesive properties and fast disintegration. In this review, we analyzed ODFs developed using natural polymers or blends involving natural polymers, such as maltodextrin, pullulan, starch, gelatin, collagen, alginate, chitosan, pectin, and others, to overview the recent publications and discuss how natural polymers can influence ODFs properties.
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Affiliation(s)
- Murilo Santos Pacheco
- Department of Chemical Engineering, Federal University of São Paulo - UNIFESP, Diadema, São Paulo 09913-030, Brazil
| | - Douglas Barbieri
- Department of Chemical Engineering, Federal University of São Paulo - UNIFESP, Diadema, São Paulo 09913-030, Brazil
| | - Classius Ferreira da Silva
- Department of Chemical Engineering, Federal University of São Paulo - UNIFESP, Diadema, São Paulo 09913-030, Brazil
| | - Mariana Agostini de Moraes
- Department of Chemical Engineering, Federal University of São Paulo - UNIFESP, Diadema, São Paulo 09913-030, Brazil.
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Lin W, Ni Y, Pang J. Size effect-inspired fabrication of konjac glucomannan/polycaprolactone fiber films for antibacterial food packaging. Int J Biol Macromol 2020; 149:853-860. [DOI: 10.1016/j.ijbiomac.2020.01.242] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 01/06/2020] [Accepted: 01/23/2020] [Indexed: 01/15/2023]
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Tian J, Yang Y, Song J. Grafting polycaprolactone onto alkaline lignin for improved compatibility and processability. Int J Biol Macromol 2019; 141:919-926. [DOI: 10.1016/j.ijbiomac.2019.09.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 09/04/2019] [Accepted: 09/07/2019] [Indexed: 01/25/2023]
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Khoshnevisan K, Maleki H, Samadian H, Doostan M, Khorramizadeh MR. Antibacterial and antioxidant assessment of cellulose acetate/polycaprolactone nanofibrous mats impregnated with propolis. Int J Biol Macromol 2019; 140:1260-1268. [PMID: 31472212 DOI: 10.1016/j.ijbiomac.2019.08.207] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 08/21/2019] [Accepted: 08/23/2019] [Indexed: 12/29/2022]
Abstract
Cellulose acetate (CA) electrospun nanofibers are one of the most practical cellulosic material which normally applied as carriers for drug delivery and wound healing systems. In this study, CA and polycaprolactone (PCL) was applied to fabricate the electrospun nanofibrous for wound dressing application. Propolis is a resin-like macromolecule produced by honeybees from the buds and diverse plants. Among many applications of this macromolecule, it has been occasionally employed directly to the skin for wound healing applications. Herein, owing to the significance of propolis, CA/PCL nanofibers were impregnated with a propolis-extracted solution to reach antibacterial and antioxidant mat. The scanning electron microscopy (SEM) images revealed that electrospinning of 10% (w/w) CA along with 14% (w/w) PCL produced excellent nanofibers compared to the resultant nanofibers. Hydrophobicity/hydrophilicity nature of CA/PCL mats was measured using water contact-angle method before and after treatment with NaOH. The nanofibrous mats exhibited a high water absorption capacity of about 400%. Antioxidant effect was measured by 2,2-Diphenyl-1-picrylhydrazyl (DPPH) assay and propolis-CA/PCL presented a high antioxidant activity. Additionally, propolis-CA/PCL mats showed antibacterial activity against both the Gram-positive and Gram-negative bacteria. In conclusion, our results have confirmed that the propolis-impregnated CA/PCL mats have provided an appropriate surface for wound healing system.
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Affiliation(s)
- Kamyar Khoshnevisan
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
| | - Hassan Maleki
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hadi Samadian
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Maryam Doostan
- Department of Medical Nanotechnology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Reza Khorramizadeh
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Culebras M, Herrero-Cortell M, Gómez C, Mas-Barberà X, Cantarero A, Collins MN. Thermosetting composites based on bronze particles for archaeological and artistic metal heritage cloning. Heliyon 2019; 4:e00940. [PMID: 30839794 PMCID: PMC6251010 DOI: 10.1016/j.heliyon.2018.e00940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 10/16/2018] [Accepted: 11/13/2018] [Indexed: 11/26/2022] Open
Abstract
Artificial Metals are polymeric semi-metallic composites obtained by combining thermosetting resins with atomized metal powders in order to achieve composite materials capable of reproducing metals, even in a rusty or corroded condition. These composites provide a solution for the reproduction of archaeological artefacts, sculptures, and ornaments for the purpose of conservation. This work explores mechanical properties of three different resins bronze composites loaded with two different proportions of metal filler. The degree of conversion of the samples was measured by differential scanning calorimetry (DSC) and flexural tests were carried out to determine their mechanical performance. In addition, the samples were characterized by scanning electron microscopy (SEM) in order to determine the morphology of the samples at the microscale.
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Affiliation(s)
- Mario Culebras
- Stokes Laboratories, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Miquel Herrero-Cortell
- Departamento de Conservación y Restauración de Bienes Culturales, Universitat Politècnica de Valencia, Spain
| | - Clara Gómez
- Instituto de Ciencia de los Materiales, Universitat de València, Spain
| | - Xavier Mas-Barberà
- Instituto Universitario de Restauración del Patrimonio IRP, Universitat Politècnica de Valencia, Spain
| | | | - Maurice N Collins
- Stokes Laboratories, Bernal Institute, University of Limerick, Limerick, Ireland
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Pishnamazi M, Iqbal J, Shirazian S, Walker GM, Collins MN. Effect of lignin on the release rate of acetylsalicylic acid tablets. Int J Biol Macromol 2019; 124:354-9. [DOI: 10.1016/j.ijbiomac.2018.11.136] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 11/05/2018] [Accepted: 11/14/2018] [Indexed: 01/30/2023]
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Pishnamazi M, Casilagan S, Clancy C, Shirazian S, Iqbal J, Egan D, Edlin C, Croker DM, Walker GM, Collins MN. Microcrystalline cellulose, lactose and lignin blends: Process mapping of dry granulation via roll compaction. POWDER TECHNOL 2019. [DOI: 10.1016/j.powtec.2018.07.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Ziaee A, Albadarin AB, Padrela L, Femmer T, O'Reilly E, Walker G. Spray drying of pharmaceuticals and biopharmaceuticals: Critical parameters and experimental process optimization approaches. Eur J Pharm Sci 2019; 127:300-318. [DOI: 10.1016/j.ejps.2018.10.026] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 10/01/2018] [Accepted: 10/30/2018] [Indexed: 10/27/2022]
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Affiliation(s)
- Phuong Nguyen Tri
- Department of Chemistry, University of Montreal, 5155 chemin de la rampe, Montréal, QC H3T 1J4, Canada
| | - Robert E. Prud’homme
- Department of Chemistry, University of Montreal, 5155 chemin de la rampe, Montréal, QC H3T 1J4, Canada
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Przybysz M, Zedler Ł, Saeb MR, Formela K. Structure-property relationships in peroxide-assisted blends of poly(ε-caprolactone) and poly(3-hydroxybutyrate). REACT FUNCT POLYM 2018. [DOI: 10.1016/j.reactfunctpolym.2018.04.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Tamer TM, Collins MN, Valachová K, Hassan MA, Omer AM, Mohy-Eldin MS, Švík K, Jurčík R, Ondruška Ľ, Biró C, Albadarin AB, Šoltés L. MitoQ Loaded Chitosan-Hyaluronan Composite Membranes for Wound Healing. Materials (Basel) 2018; 11:ma11040569. [PMID: 29642447 PMCID: PMC5951453 DOI: 10.3390/ma11040569] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 04/03/2018] [Accepted: 04/04/2018] [Indexed: 12/25/2022]
Abstract
Two self-associating biopolymers, namely chitosan (Ch) and a high-molar-mass hyaluronan (HA), were used to prepare membranes with the aim to protect and to enhance the healing of injured skin. A mitochondrially-targeted antioxidant—MitoQ—was incorporated into the mixture of biopolymers prior to their self-association. These three-component membranes were evaluated in detail utilising surface roughness measurements, contact angle measurements, hemocompatibility, and thrombogenicity analyses. Furthermore, in vivo application of Ch/HA/MitoQ membranes was assessed on injured rabbit and rat skin utilizing histological methods. The results showed that the prepared thrombogenic Ch/HA/MitoQ membranes had higher roughness, which allowed for greater surface area for tissue membrane interaction during the healing processes, and lower cytotoxicity levels than controls. MitoQ-loaded composite membranes displayed superior healing properties in these animal models compared to control membranes.
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Affiliation(s)
- Tamer M Tamer
- Polymer Materials Research Department, Advanced Technologies and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934 Alexandria, Egypt.
- Laboratory of Bioorganic Chemistry of Drugs, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, 84104 Bratislava, Slovakia.
| | - Maurice N Collins
- School of Engineering, Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland.
| | - Katarina Valachová
- Laboratory of Bioorganic Chemistry of Drugs, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, 84104 Bratislava, Slovakia.
| | - Mohamed A Hassan
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934 Alexandria, Egypt.
| | - Ahmed M Omer
- Polymer Materials Research Department, Advanced Technologies and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934 Alexandria, Egypt.
| | - Mohamed S Mohy-Eldin
- Polymer Materials Research Department, Advanced Technologies and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934 Alexandria, Egypt.
- Chemistry Department, Faculty of Science, University of Jeddah, Osfan, P. O. Box: 80203, 21589 Jeddah, Saudi Arabia.
| | - Karol Švík
- Department of Toxicology and Laboratory Animals Breeding, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, 91954 Dobra Voda 360, Slovakia.
| | - Rastislav Jurčík
- National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Department of Small Farm Animals, 951 41 Lužianky, Slovakia.
| | - Ľubomír Ondruška
- National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Department of Small Farm Animals, 951 41 Lužianky, Slovakia.
| | - Csaba Biró
- St. Elizabeth Cancer Institute Hospital, Department of Pathology, Bratislava, 84104, Slovakia.
| | - Ahmad B Albadarin
- Department of Chemical Sciences, Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland.
| | - Ladislav Šoltés
- Laboratory of Bioorganic Chemistry of Drugs, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, 84104 Bratislava, Slovakia.
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Zamboni F, Keays M, Hayes S, Albadarin AB, Walker GM, Kiely PA, Collins MN. Enhanced cell viability in hyaluronic acid coated poly(lactic-co-glycolic acid) porous scaffolds within microfluidic channels. Int J Pharm 2017; 532:595-602. [DOI: 10.1016/j.ijpharm.2017.09.053] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 09/17/2017] [Accepted: 09/18/2017] [Indexed: 12/29/2022]
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Albadarin AB, Potter CB, Davis MT, Iqbal J, Korde S, Pagire S, Paradkar A, Walker G. Development of stability-enhanced ternary solid dispersions via combinations of HPMCP and Soluplus® processed by hot melt extrusion. Int J Pharm 2017; 532:603-611. [DOI: 10.1016/j.ijpharm.2017.09.035] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 09/13/2017] [Accepted: 09/14/2017] [Indexed: 10/18/2022]
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