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Wawrzyńczak A, Chudzińska J, Feliczak-Guzik A. Metal and Metal Oxides Nanoparticles as Nanofillers for Biodegradable Polymers. Chemphyschem 2024; 25:e202300823. [PMID: 38353297 DOI: 10.1002/cphc.202300823] [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: 11/05/2023] [Revised: 02/13/2024] [Indexed: 03/06/2024]
Abstract
Polymeric materials, despite their many undeniable advantages, nowadays are a major environmental challenge. Thus, in recent years biodegradable polymer matrices have been widely used in various sectors, including the medicinal, chemical, and packaging industry. Their widespread use is due to the properties of biodegradable polymer matrices, among which are their adjustable physicochemical and mechanical properties, as well as lower environmental impact. The properties of biodegradable polymers can be modified with various types of nanofillers, among which clays, organic and inorganic nanoparticles, and carbon nanostructures are most commonly used. The performance of the final product depends on the size and uniformity of the used nanofillers, as well as on their distribution and dispersion in the polymer matrix. This literature review aims to highlight new research results on advances and improvements in the synthesis, physicochemical properties and applications of biodegradable polymer matrices modified with metal nanoparticles and metal oxides.
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Affiliation(s)
- Agata Wawrzyńczak
- Department of Chemistry, Adam Mickiewicz University, Poznań University 8, 61-614, Poznań, Poland
| | - Jagoda Chudzińska
- Department of Chemistry, Adam Mickiewicz University, Poznań University 8, 61-614, Poznań, Poland
| | - Agnieszka Feliczak-Guzik
- Department of Chemistry, Adam Mickiewicz University, Poznań University 8, 61-614, Poznań, Poland
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Pino P, Vigani B, Valentino C, Ianev D, Ruggeri M, Boselli C, Cornaglia AI, Grisoli P, Onida B, Bosco F, Sandri G, Rossi S. Sustainable whey proteins-nanostructured zinc oxide-based films for the treatment of chronic wounds: New insights from biopharmaceutical studies. Int J Biol Macromol 2024; 263:130655. [PMID: 38453117 DOI: 10.1016/j.ijbiomac.2024.130655] [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: 06/14/2023] [Revised: 01/22/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
Chronic wounds represent silent epidemic affecting a large portion of the world population, especially the elders; in this context, the development of advanced bioactive dressings is imperative to accelerate wound healing process, while contrasting or preventing infections. The aim of the present work was to provide a deep characterization of the functional and biopharmaceutical properties of a sustainable thin and flexible films, composed of whey proteins alone (WPI) and added with nanostructured zinc oxide (WPZ) and intended for the management of chronic wounds. The potential of whey proteins-based films as wound dressings has been confirmed by their wettability, hydration properties, elastic behavior upon hydration, biodegradation propensity and, when added with nanostructured zinc oxide, antibacterial efficacy against both Gram-positive and Gram-negative pathogens, i.e. Staphylococcus aureus and Escherichia coli. In-vitro experiments, performed on normal human dermal fibroblasts, confirmed film cytocompatibility, also revealing the possible role of Zn2+ ions in promoting fibroblast proliferation. Finally, in-vivo studies on rat model confirmed film suitability to act as wound dressing, since able to ensure a regular healing process while providing effective protection from infections. In particular, both films WPI and WPZ are responsible for the formation in the wound bed of a continuous collagen layer similar to that of healthy skin.
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Affiliation(s)
- Paolo Pino
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
| | - Barbara Vigani
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Caterina Valentino
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Daiana Ianev
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Marco Ruggeri
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Cinzia Boselli
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Antonia Icaro Cornaglia
- Department of Public Health Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy
| | - Pietro Grisoli
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Barbara Onida
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy.
| | - Francesca Bosco
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
| | - Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
| | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.
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Filip D, Macocinschi D, Nica SL, Asandulesa M, Condurache B, Stoleru E, Rata DM, Bargan A, Zaltariov MF. Hybrid green bionanocomposites based on chitosan/starch/gelatin and metallic nanoparticles for biological applications. Int J Biol Macromol 2023; 253:127571. [PMID: 37875185 DOI: 10.1016/j.ijbiomac.2023.127571] [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: 07/09/2023] [Revised: 10/12/2023] [Accepted: 10/19/2023] [Indexed: 10/26/2023]
Abstract
Multicomponent composites based on natural biopolymers: chitosan, starch and gelatin in two different ratios (0.5:1:1 and 1:1:1) were in situ crosslinked by intermolecular interactions and used as matrices for zinc oxide and magnetite fillers. The bionanocomposite films have been evaluated by spectral and microscopy methods: Fourier-Transform Infrared spectrometry (FT-IR), Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM) confirming the electrostatic and hydrogen bonding interactions between the components of the polymeric matrices and the inorganic fillers and the crosslinking process. AFM and SEM images showed a compact, non-porous and homogenous morphology of the hybrid films, proving a good miscibility of the blends. At lower concentrations of embedded filler, the composites were less hardened and more ductile due to the interaction with the polymeric matrix. Increased amounts of inorganic NPs led to the reduced mechanical properties of the prepared materials and increased thermal stability. The bionanocomposites revealed a similar behavior of the dielectric constant with frequency and increased values at higher temperatures. The wettability of the films' surface and the values of the water sorption capacity revealed a slight hydrophilicity of the bionanocomposites as compared with the initial matrices. The biocompatibility, evaluated by means of the surface free energy components and the interfacial tension with blood, and the hemolysis analysis demonstrated that the bionanocomposites possess a low risk of thrombosis, being promising materials for in vivo biomedical applications.
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Affiliation(s)
- Daniela Filip
- Laboratory of Physical Chemistry of Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Doina Macocinschi
- Laboratory of Physical Chemistry of Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Simona Luminita Nica
- Laboratory of Physical Chemistry of Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Mihai Asandulesa
- Laboratory of Electroactive Polymers and Plasmochemistry, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Bogdan Condurache
- Department of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Elena Stoleru
- Laboratory of Physical Chemistry of Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Delia Mihaela Rata
- Faculty of Medical Dentistry, Apollonia University of Iasi, Pacurari Street, No. 11, 700511, Iasi, Romania
| | - Alexandra Bargan
- Department of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Mirela-Fernanda Zaltariov
- Department of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania.
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Jali S, Mohan TP, Mwangi FM, Kanny K. A Review on Barrier Properties of Cellulose/Clay Nanocomposite Polymers for Packaging Applications. Polymers (Basel) 2023; 16:51. [PMID: 38201717 PMCID: PMC10780723 DOI: 10.3390/polym16010051] [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: 04/06/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Packaging materials are used to protect consumer goods, such as food, drinks, cosmetics, healthcare items, and more, from harmful gases and physical and chemical damage during storage, distribution, and handling. Synthetic plastics are commonly used because they exhibit sufficient characteristics for packaging requirements, but their end lives result in environmental pollution, the depletion of landfill space, rising sea pollution, and more. These exist because of their poor biodegradability, limited recyclability, etc. There has been an increasing demand for replacing these polymers with bio-based biodegradable materials for a sustainable environment. Cellulosic nanomaterials have been proposed as a potential substitute in the preparation of packaging films. Nevertheless, their application is limited due to their poor properties, such as their barrier, thermal, and mechanical properties, to name a few. The barrier properties of materials play a pivotal role in extending and determining the shelf lives of packaged foods. Nanofillers have been used to enhance the barrier properties. This article reviews the literature on the barrier properties of cellulose/clay nanocomposite polymers. Cellulose extraction stages such as pretreatment, bleaching, and nanoparticle isolation are outlined, followed by cellulose modification methods. Finally, a brief discussion on nanofillers is provided, followed by an extensive literature review on the barrier properties of cellulose/clay nanocomposite polymers. Although similar reviews have been presented, the use of modification processes applied to cellulose, clay, and final nanocomposites to enhance the barrier properties has not been reviewed. Therefore, this article focuses on this scope.
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Affiliation(s)
- Sandile Jali
- Composite Research Group (CRG), Durban University of Technology, Durban 4000, South Africa; (S.J.); (F.M.M.); (K.K.)
| | - Turup Pandurangan Mohan
- Composite Research Group (CRG), Durban University of Technology, Durban 4000, South Africa; (S.J.); (F.M.M.); (K.K.)
| | - Festus Maina Mwangi
- Composite Research Group (CRG), Durban University of Technology, Durban 4000, South Africa; (S.J.); (F.M.M.); (K.K.)
- Department of Mechanical Engineering, Durban University of Technology, Durban 4000, South Africa
| | - Krishnan Kanny
- Composite Research Group (CRG), Durban University of Technology, Durban 4000, South Africa; (S.J.); (F.M.M.); (K.K.)
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Xu Z, Cheng Z, Tang Q, Huang K, Li H, Zou Z. Ammonia-sensitive cellulose acetate-based films incorporated with Co-BIT microcrystals for smart packaging application. Carbohydr Polym 2023; 316:121045. [PMID: 37321738 DOI: 10.1016/j.carbpol.2023.121045] [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: 03/02/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023]
Abstract
Nowadays, there is an increasing demand for smart packaging materials capable of effectively monitoring the food freshness. In this study, new Co-based MOF (Co-BIT) microcrystals with ammonia-sensitivity and antibacterial function were constructed and then loaded within cellulose acetate (CA) matrix to create smart active packaging materials. The influences of Co-BIT loading upon structure, physical, and functional properties of the CA films were then thoroughly explored. It was observed that microcrystalline Co-BIT was uniformly integrated inside CA matrix, which caused significant promotions in mechanical strength (from 24.12 to 39.76 MPa), water barrier (from 9.32 × 10-6 to 2.73 × 10-6 g/m·h·Pa) and ultraviolet light protection performances of CA film. Additionally, the created CA/Co-BIT films displayed striking antibacterial efficacy (>95.0 % for both Escherichia coli and Staphylococcus aureus), favorable ammonia-sensitivity function as well as color stability. Finally, the CA/Co-BIT films were successfully applied for indicating the spoilage of shrimp through discernible color changes. These findings suggest that Co-BIT loaded CA composite films have great potential for use as smart active packaging.
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Affiliation(s)
- Zongshu Xu
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Ze Cheng
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Qun Tang
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China.
| | - Kangqi Huang
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Heping Li
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Zhiming Zou
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China.
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Castro-Criado D, Rivera-Flores O, Abdullah JAA, Castro-Osorto E, Alonso-González M, Ramos-Casco L, Perez-Puyana VM, Sánchez-Barahona M, Sánchez-Cid P, Jiménez-Rosado M, Romero A. Valorization of Honduran Agro-Food Waste to Produce Bioplastics. Polymers (Basel) 2023; 15:2625. [PMID: 37376271 DOI: 10.3390/polym15122625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/29/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
The development of biodegradable plastics and eco-friendly biomaterials derived from renewable resources is crucial for reducing environmental damage. Agro-industrial waste and rejected food can be polymerized into bioplastics, offering a sustainable solution. Bioplastics find use in various industries, including for food, cosmetics, and the biomedical sector. This research investigated the fabrication and characterization of bioplastics using three types of Honduran agro-wastes: taro, yucca, and banana. The agro-wastes were stabilized and characterized (physicochemically and thermically). Taro flour presented the highest protein content (around 4.7%) and banana flour showed the highest moisture content (around 2%). Furthermore, bioplastics were produced and characterized (mechanically and functionally). Banana bioplastics had the best mechanical properties, with a Young's modulus around 300 MPa, while taro bioplastics had the highest water-uptake capacity (200%). In general, the results showed the potential of these Honduran agro-wastes for producing bioplastics with different characteristics that could add value to these wastes, promoting the circular economy.
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Affiliation(s)
- Daniel Castro-Criado
- Departamento de Ingeniería Química, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Octavio Rivera-Flores
- Unidad de Gestión de Investigación Científica, Ingeniería Agroindustrial, Universidad Nacional Autónoma de Honduras Tecnológico Danlí, Danlí 13201, Honduras
| | | | - Elia Castro-Osorto
- Unidad de Gestión de Investigación Científica, Ingeniería Agroindustrial, Universidad Nacional Autónoma de Honduras Tecnológico Danlí, Danlí 13201, Honduras
| | | | - Lucy Ramos-Casco
- Unidad de Gestión de Investigación Científica, Ingeniería Agroindustrial, Universidad Nacional Autónoma de Honduras Tecnológico Danlí, Danlí 13201, Honduras
| | | | - Marlon Sánchez-Barahona
- Unidad de Gestión de Investigación Científica, Ingeniería Agroindustrial, Universidad Nacional Autónoma de Honduras Tecnológico Danlí, Danlí 13201, Honduras
| | - Pablo Sánchez-Cid
- Departamento de Ingeniería Química, Universidad de Sevilla, 41012 Sevilla, Spain
| | | | - Alberto Romero
- Departamento de Ingeniería Química, Universidad de Sevilla, 41012 Sevilla, Spain
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Marine Collagen-Based Antibacterial Film Reinforced with Graphene and Iron Oxide Nanoparticles. Int J Mol Sci 2022; 24:ijms24010648. [PMID: 36614090 PMCID: PMC9820399 DOI: 10.3390/ijms24010648] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 12/24/2022] [Accepted: 12/27/2022] [Indexed: 01/01/2023] Open
Abstract
It has become more widely available to use biopolymer-based films as alternatives to conventional plastic-based films due to their non-toxic properties, flexibility, and affordability. However, they are limited in application due to deficiencies in their properties. The marine collagen was the specimen for the present study. Thus, the main objective was to reinforce marine collagen-based films with 1.0% (w/w of the dry polymer weight) of iron oxide nanoparticles (IO-NPs), graphene oxide nanoparticles (GO-NPs), or a combination of both oxides (GO-NPs/IO-NPs) as antibacterial and antioxidant additives to overcome some of the limitations of the film. In this way, the nanoparticles were incorporated into the film-forming solution (2% w/v in acetic acid, 0.05 M) and processed by casting. Thereafter, the films were dried and analyzed for their physicochemical, mechanical, microstructural, and functional properties. The results show that the effective combination of GO-NPs/IO-NPs enhanced the physicochemical properties by increasing the water contact angle (WCA) of the films from 77.2 to 84.4° and their transparency (T) from 0.5 to 5.2. Furthermore, these nanoparticles added antioxidant and antibacterial value to the films, with free radical inhibition of up to 95.8% and 23.8 mm of bacteria growth inhibition (diameter). As a result, both types of nanoparticles are proposed as suitable additives to be incorporated into films and enhance their different properties.
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