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A Comprehensive Compilation of Graphene/Fullerene Polymer Nanocomposites for Electrochemical Energy Storage. Polymers (Basel) 2023; 15:polym15030701. [PMID: 36772001 PMCID: PMC9920128 DOI: 10.3390/polym15030701] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 02/01/2023] Open
Abstract
Electricity consumption is an integral part of life on earth. Energy generation has become a critical topic, addressing the need to fuel the energy demands of consumers. Energy storage is an offshoot of the mainstream process, which is now becoming a prime topic of research and development. Electrochemical energy storage is an attractive option, serving its purpose through fuel cells, batteries and supercapacitors manipulating the properties of various materials, nanomaterials and polymer substrates. The following review presents a comprehensive report on the use of carbon-based polymer nanocomposites, specifically graphene and fullerene-based polymer nanocomposites, towards electrochemical energy storage. The achievements in these areas, and the types of polymer nanocomposites used are listed. The areas that lack of clarity and have a dearth of information are highlighted. Directions for future research are presented and recommendations for fully utilizing the benefits of the graphene/fullerene polymer nanocomposite system are proposed.
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Ferreira PG, Ferreira VF, da Silva FDC, Freitas CS, Pereira PR, Paschoalin VMF. Chitosans and Nanochitosans: Recent Advances in Skin Protection, Regeneration, and Repair. Pharmaceutics 2022; 14:pharmaceutics14061307. [PMID: 35745879 PMCID: PMC9228519 DOI: 10.3390/pharmaceutics14061307] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/11/2022] [Accepted: 06/15/2022] [Indexed: 01/05/2023] Open
Abstract
Chitosan displays a dual function, acting as both an active ingredient and/or carrier for pharmaceutical bioactive molecules and metal ions. Its hydroxyl- and amino-reactive groups and acetylation degree can be used to adjust this biopolymer's physicochemical and pharmacological properties in different forms, including scaffolds, nanoparticles, fibers, sponges, films, and hydrogels, among others. In terms of pharmacological purposes, chitosan association with different polymers and the immobilization or entrapment of bioactive agents are effective strategies to achieve desired biological responses. Chitosan biocompatibility, water entrapment within nanofibrils, antioxidant character, and antimicrobial and anti-inflammatory properties, whether enhanced by other active components or not, ensure skin moisturization, as well as protection against bacteria colonization and oxidative imbalance. Chitosan-based nanomaterials can maintain or reconstruct skin architecture through topical or systemic delivery of hydrophilic or hydrophobic pharmaceuticals at controlled rates to treat skin affections, such as acne, inflammatory manifestations, wounds, or even tumorigenesis, by coating chemotherapy drugs. Herein, chitosan obtention, physicochemical characteristics, chemical modifications, and interactions with bioactive agents are presented and discussed. Molecular mechanisms involved in chitosan skin protection and recovery are highlighted by overlapping the events orchestrated by the signaling molecules secreted by different cell types to reconstitute healthy skin tissue structures and components.
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Affiliation(s)
- Patricia Garcia Ferreira
- Programa de Pós-Graduação em Ciências Aplicadas a Produtos para a Saúde, Faculdade de Farmácia, Universidade Federal Fluminense, Niterói 24241-000, RJ, Brazil; (P.G.F.); (V.F.F.)
| | - Vitor Francisco Ferreira
- Programa de Pós-Graduação em Ciências Aplicadas a Produtos para a Saúde, Faculdade de Farmácia, Universidade Federal Fluminense, Niterói 24241-000, RJ, Brazil; (P.G.F.); (V.F.F.)
- Departamento de Tecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Fluminense, Niterói 24241-000, RJ, Brazil
| | - Fernando de Carvalho da Silva
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Fluminense, Niterói 24020-141, RJ, Brazil;
| | - Cyntia Silva Freitas
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil; (C.S.F.); (P.R.P.)
- Programa de Pós-Graduação em Ciencia de Alimentos, Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
| | - Patricia Ribeiro Pereira
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil; (C.S.F.); (P.R.P.)
- Programa de Pós-Graduação em Ciencia de Alimentos, Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
- Programa de Pós-Graduação em Química (PGQu), Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
| | - Vania Margaret Flosi Paschoalin
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil; (C.S.F.); (P.R.P.)
- Programa de Pós-Graduação em Ciencia de Alimentos, Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
- Programa de Pós-Graduação em Química (PGQu), Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Sala 545, Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
- Correspondence: ; Tel.: +55-(21)-3938-7362
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Oh JW, Shin J, Chun S, Muthu M, Gopal J. Evaluating the Anticarcinogenic Activity of Surface Modified/Functionalized Nanochitosan: The Emerging Trends and Endeavors. Polymers (Basel) 2021; 13:3138. [PMID: 34578039 PMCID: PMC8471611 DOI: 10.3390/polym13183138] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/09/2021] [Accepted: 09/15/2021] [Indexed: 11/16/2022] Open
Abstract
Chitosan begins its humble journey from marine food shell wastes and ends up as a versatile nutraceutical. This review focuses on briefly discussing the antioxidant activity of chitosan and retrospecting the accomplishments of chitosan nanoparticles as an anticarcinogen. The various modified/functionalized/encapsulated chitosan nanoparticles and nanoforms have been listed and their biomedical deliverables presented. The anticancer accomplishments of chitosan and its modified composites have been reviewed and presented. The future of surface modified chitosan and the lacunae in the current research focus have been discussed as future perspective. This review puts forth the urge to expand the scientific curiosity towards attempting a variety of functionalization and surface modifications to chitosan. There are few well known modifications and functionalization that benefit biomedical applications that have been proven for other systems. Being a biodegradable, biocompatible polymer, chitosan-based nanomaterials are an attractive option for medical applications. Therefore, maximizing expansion of its bioactive properties are explored. The need for applying the ideal functionalization that will significantly promote the anticancer contributions of chitosan nanomaterials has also been stressed.
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Affiliation(s)
- Jae-Wook Oh
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul 143-701, Korea; (J.-W.O.); (J.S.)
| | - Juhyun Shin
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul 143-701, Korea; (J.-W.O.); (J.S.)
| | - Sechul Chun
- Department of Environmental Health Science, Konkuk University, Seoul 143-701, Korea; (S.C.); (M.M.)
| | - Manikandan Muthu
- Department of Environmental Health Science, Konkuk University, Seoul 143-701, Korea; (S.C.); (M.M.)
| | - Judy Gopal
- Department of Environmental Health Science, Konkuk University, Seoul 143-701, Korea; (S.C.); (M.M.)
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Leonés A, Salaris V, Mujica-Garcia A, Arrieta MP, Lopez D, Lieblich M, Kenny JM, Peponi L. PLA Electrospun Fibers Reinforced with Organic and Inorganic Nanoparticles: A Comparative Study. Molecules 2021; 26:molecules26164925. [PMID: 34443512 PMCID: PMC8401602 DOI: 10.3390/molecules26164925] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/10/2021] [Accepted: 08/10/2021] [Indexed: 11/17/2022] Open
Abstract
In this work, different poly (lactic acid) (PLA)-based nanocomposite electrospun fibers, reinforced with both organic and inorganic nanoparticles, were obtained. As organic fibers, cellulose nanocrystals, CNC, both neat and functionalized by “grafting from” reaction, chitosan and graphene were used; meanwhile, hydroxyapatite and silver nanoparticles were used as inorganic fibers. All of the nanoparticles were added at 1 wt% with respect to the PLA matrix in order to be able to compare their effect. The main aim of this work was to study the morphological, thermal and mechanical properties of the different systems, looking for differences between the effects of the addition of organic or inorganic nanoparticles. No differences were found in either the glass transition temperature or the melting temperature between the different electrospun systems. However, systems reinforced with both neat and functionalized CNC exhibited an enhanced degree of crystallinity of the electrospun fibers, by up to 12.3%. From a mechanical point of view, both organic and inorganic nanoparticles exhibited a decreased elastic modulus and tensile strength in comparison to neat electrospun PLA fibers, improving their elongation at break. Furthermore, all of the organic and inorganic reinforced systems disintegrated under composting conditions after 35 days.
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Affiliation(s)
- Adrián Leonés
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy, The Spanish National Research Council (SusPlast-CSIC), 28006 Madrid, Spain
| | - Valentina Salaris
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
| | - Alicia Mujica-Garcia
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
- Civil and Environmental Engineering Department and UDR INSTM, University of Perugia, Strada di Pentima 4, 05100 Terni, Italy
| | - Marina P. Arrieta
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
- Departamento de Ingeniería Química Industrial y del Medio Ambiente, Escuela Politécnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid (ETSII-UPM), Calle José Gutiérrez Abascal 2, 28006 Madrid, Spain
- Grupo de Investigación: Polímeros, Caracterización y Aplicaciones (POLCA), 28006 Madrid, Spain
| | - Daniel Lopez
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy, The Spanish National Research Council (SusPlast-CSIC), 28006 Madrid, Spain
| | - Marcela Lieblich
- Centro Nacional de Investigaciones Metalúrgicas (CENIM-CSIC), 28040 Madrid, Spain;
| | - José Maria Kenny
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
- Civil and Environmental Engineering Department and UDR INSTM, University of Perugia, Strada di Pentima 4, 05100 Terni, Italy
- Correspondence: (J.M.K.); (L.P.)
| | - Laura Peponi
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (V.S.); (A.M.-G.); (M.P.A.); (D.L.)
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy, The Spanish National Research Council (SusPlast-CSIC), 28006 Madrid, Spain
- Correspondence: (J.M.K.); (L.P.)
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Mirkatuli HA, Baghbani M, Yahyaei B. Comparison of the possible histopathological changes of the rat neonatal cerebellum induced by toxic and nontoxic doses of biological silver nanoparticles with chemical silver nanoparticles. Brain Behav 2021; 11:e2319. [PMID: 34333877 PMCID: PMC8413823 DOI: 10.1002/brb3.2319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/19/2021] [Accepted: 07/19/2021] [Indexed: 11/08/2022] Open
Abstract
INTRODUCTION Today, due to the increasing application of silver nanoparticles in medical products, it is necessary to pay attention to the user's safety. There are three methods, namely, chemical, physical, and biological, used for the production of nanoparticles. Although the first two methods might introduce health hazards, the latter is hypothetically safe. In this study, we examined the histopathological changes in the cerebellum of neonatal Wistar rats induced by injection of toxic and nontoxic doses of silver nanoparticles, which were produced by green synthetic method and were compared with chemical silver nanoparticles. METHODS This study was a laboratory interventional study performed on 25 Wistar rats in the Animal Laboratory of Islamic Azad University of Shahrood. These rats were divided into five groups of the control group, the group with nonpoisonous injection of chemical nanoparticles, the group with nonpoisonous injection of biological nanoparticles, the group with injection of poisonous chemical nanoparticles, and the group with injection of poisonous biological nanoparticles. The rats were impregnated by the males of the same race and the cerebellum of their offspring was studied after birth. RESULTS We found that the injection of nonpoisonous chemical nanoparticles caused hyperemia, inappropriate size, and dark cytoplasm in some Purkinje cells. Also, injection of poisonous chemical nanoparticles caused hyperemia and cellular dispersion in the molecular layer, caused abnormal shapes, and reduced the number of cells in Purkinje cells. However, injection of poisonous and nonpoisonous biological nanoparticles did not alter cerebellum cells nor did it cause any inflammation or hyperemia. CONCLUSION In contrast with chemical nanoparticles, biological nanoparticles have less significant effect on the cerebellum cells.
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Affiliation(s)
| | | | - Behrooz Yahyaei
- Department of Medical Sciences, Shahrood Branch, Islamic Azad University, Shahrood, Iran.,Department of Medical Sciences, Biological Nanoparticles in Medicine Research Center, Shahrood Branch, Islamic Azad University, Shahrood, Iran
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