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Jose A, Mathew M, Mathew AS, Aswani R, Vimal J, Premnath M, Kanoth BP, Reshmy R, Radhakrishnan EK. Cinnamon essential oil induced microbial stress metabolome indicates its active food packaging efficiency when incorporated into poly vinyl alcohol, engineered with zinc oxide nanoparticles and nanocellulose. Int J Biol Macromol 2024; 278:134115. [PMID: 39047996 DOI: 10.1016/j.ijbiomac.2024.134115] [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: 02/06/2024] [Revised: 07/18/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024]
Abstract
In the study, Poly Vinyl Alcohol (PVA) films engineered with the nanoparticles and essential oils have been developed as efficient alternative to the currently used food packaging materials. For this, impact of cinnamon essential oil (CEO), on the metabolomic profile of Staphylococcus aureus, Escherichia coli and Aspergillus flavus was analysed. Subsequently, PVA based nanocomposite films CEO, zinc oxide nanoparticles (ZnONPs), and nanocellulose (NC) were synthesised and characterized by FT-IR analysis. By the GC-MS analysis. The presence of ZnONPs enhanced the release of cinnamaldehyde from 31.16 to 44.23 and further enhancement to 71.82 was seen the presence of nanocellulose. The incorporation of NPs was found to enhance the hydrodynamic and mechanical properties of the prepared films. The final developed films, PZNCCEO, showed the least values for WHC and MC which were 56.31 ± 2.12 % and 13.30 ± 0 % respectively. Antimicrobial efficacy could also be demonstrated through the observation on changes in the morphological features of treated S. aureus and E. coli by the FE-SEM. Finally, the developed nanocomposite film was found to have the potential for food packaging as demonstrated through the protection of corn kernals and Vigna unguiculata.
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Affiliation(s)
- Ashitha Jose
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
| | - Maya Mathew
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
| | - Asha S Mathew
- Department of Biochemistry, BK College for Women, Amalagiri, Kottayam, Kerala, India
| | - R Aswani
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
| | - Joseph Vimal
- Research Centre, University of Kerala, Thiruvananthapuram, India
| | - Manjusha Premnath
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
| | - Bipinbal Parambath Kanoth
- Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kochi 682022, Kerala, India
| | - R Reshmy
- Department of Science and Humanities, Providence College of Engineering, Chengannur 689122, Kerala, India
| | - E K Radhakrishnan
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India.
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2
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Kostadinova A, Benkova D, Staneva G, Hazarosova R, Vitkova V, Yordanova V, Momchilova A, Angelova MI, ElZorkany HE, El-Sayed K, Elshoky HA. Chitosan hybrid nanomaterials: A study on interaction with biomimetic membranes. Int J Biol Macromol 2024; 276:133983. [PMID: 39029850 DOI: 10.1016/j.ijbiomac.2024.133983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 07/08/2024] [Accepted: 07/16/2024] [Indexed: 07/21/2024]
Abstract
This study examined the influence of nanomaterials (NMs) on the organization of membrane lipids and the resulting morphological changes. The cell plasma membrane is heterogeneous, featuring specialized lipid domains in the liquid-ordered (Lo) phase surrounded by regions in the liquid-disordered (Ld) phase. We utilized model membranes composed of various lipids and lipid mixtures in different phase states to investigate the interactions between the NMs and membrane lipids. Specifically, we explored the interactions of pure chitosan (CS) and CS-modified nanocomposites (NCs) with ZnO, CuO, and SiO2 with four lipid mixtures: egg-phosphatidylcholine (EggPC), egg-sphingomyelin/cholesterol (EggSM/Chol), EggPC/Chol, and EggPC/EggSM/Chol, which represent the coexistence of Ld, Lo, and Ld/Lo, respectively. The data show that CS NMs increase the membrane lipid order at glycerol level probed by Laurdan spectroscopy. Additionally, the interaction of CS-based NMs with membranes leads to an increase in bending elasticity modulus, zeta potential, and vesicle size. The lipid order changes are most significant in the highly fluid Ld phase, followed by the Lo/Ld coexistence phase, and are less pronounced in the tightly packed Lo phase. CS NMs induced egg PC vesicle adhesion, fusion, and shrinking. In heterogeneous Lo/Ld membranes, inward invaginations and vesicle shrinking via the Ld phase were observed. These findings highlight mechanisms involved in CS NM-lipid interactions in membranes that mimic plasma membrane heterogeneity.
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Affiliation(s)
- Aneliya Kostadinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Dayana Benkova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Galya Staneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria.
| | - Rusina Hazarosova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Victoria Vitkova
- Institute of Solid State Physics, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
| | - Vesela Yordanova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Albena Momchilova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Miglena I Angelova
- Sorbonne University - Campus Pierre et Marie Curie, Faculty of Science and Engineering, UFR 925 Physics, Paris 75005, France; University Paris Cite - Campus Diderot, Matière et Systèmes Complexes (MSC) UMR 7057 CNRS, Paris 75013, France
| | - Heba ElSayed ElZorkany
- Nanotechnology and Advanced Materials Central Lab, Agricultural Research Center, Giza 12619, Egypt; Regional Center for Food and Feed, Agricultural Research Center, Giza 12619, Egypt
| | - Kh El-Sayed
- Faculty of Engineering, Galala University, Galala 51745, Egypt.; Nanotechnology and Advanced Materials Central Lab, Agricultural Research Center, Giza 12619, Egypt; Regional Center for Food and Feed, Agricultural Research Center, Giza 12619, Egypt
| | - Hisham A Elshoky
- Tumor Biology Research Program, Department of Research, Children's Cancer Hospital Egypt 57357, Cairo 11441, Egypt; Nanotechnology and Advanced Materials Central Lab, Agricultural Research Center, Giza 12619, Egypt; Regional Center for Food and Feed, Agricultural Research Center, Giza 12619, Egypt.
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3
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Herrera-Rivera MDR, Torres-Arellanes SP, Cortés-Martínez CI, Navarro-Ibarra DC, Hernández-Sánchez L, Solis-Pomar F, Pérez-Tijerina E, Román-Doval R. Nanotechnology in food packaging materials: role and application of nanoparticles. RSC Adv 2024; 14:21832-21858. [PMID: 38984259 PMCID: PMC11231830 DOI: 10.1039/d4ra03711a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 06/27/2024] [Indexed: 07/11/2024] Open
Abstract
Global concerns about food security, driven by rising demand, have prompted the exploration of nanotechnology as a solution to enhance food supply. This shift comes in response to the limitations of conventional technologies in meeting the ever-increasing demand for food products. Consequently, nanoparticles play a crucial role in enhancing food production, preservation, and extending shelf life by imparting exceptional properties to materials. Nanoparticles and nanostructures with attributes like expansive surface area and antimicrobial efficacy, are versatile in both traditional packaging and integration into biopolymer matrices. These distinctive qualities contribute to their extensive use in various food sector applications. Hence, this review explores the physicochemical properties, functions, and biological aspects of nanoparticles in the context of food packaging. Furthermore, the synergistic effect of nanoparticles with different biopolymers, alongside its different potential applications such as food shelf-life extenders, antimicrobial agents and as nanomaterials for developing smart packaging systems were summarily explored. While the ongoing exploration of this research area is evident, our review highlights the substantial potential of nanomaterials to emerge as a viable choice for food packaging if the challenges regarding toxicity are carefully and effectively modulated.
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Affiliation(s)
| | - Sandra P Torres-Arellanes
- Tecnológico Nacional de México, Instituto Tecnológico del Valle de Etla Abasolo S/N, Barrio del Agua Buena Santiago Suchilquitongo Oaxaca 68230 Mexico
| | - Carlos Inocencio Cortés-Martínez
- Tecnológico Nacional de México, Instituto Tecnológico del Valle de Etla Abasolo S/N, Barrio del Agua Buena Santiago Suchilquitongo Oaxaca 68230 Mexico
| | - Diana C Navarro-Ibarra
- Tecnológico Nacional de México, Instituto Tecnológico del Valle de Etla Abasolo S/N, Barrio del Agua Buena Santiago Suchilquitongo Oaxaca 68230 Mexico
| | - Laura Hernández-Sánchez
- Tecnológico Nacional de México, Instituto Tecnológico del Valle de Etla Abasolo S/N, Barrio del Agua Buena Santiago Suchilquitongo Oaxaca 68230 Mexico
| | - Francisco Solis-Pomar
- Facultad de Ciencias Físico-Matemáticas, Universidad Autónoma de Nuevo León San Nicolas de los Garza Nuevo León 66451 Mexico
| | - Eduardo Pérez-Tijerina
- Facultad de Ciencias Físico-Matemáticas, Universidad Autónoma de Nuevo León San Nicolas de los Garza Nuevo León 66451 Mexico
| | - Ramón Román-Doval
- Tecnológico Nacional de México, Instituto Tecnológico del Valle de Etla Abasolo S/N, Barrio del Agua Buena Santiago Suchilquitongo Oaxaca 68230 Mexico
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Al-Sodies S, Asiri AM, Alam MM, Alamry KA, Rahman MM, Hussein MA. Development of an efficient electrochemical sensing platform based on ter-poly(luminol- o-anisidine- o-toluidine)/ZnO/GNPs nanocomposites for the detection of antimony (Sb 3+) ions. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:4333-4346. [PMID: 38888440 DOI: 10.1039/d4ay00472h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
A poly(luminol-o-anisidine-o-toluidine) terpolymer was synthesized, characterized, and modified with GNPs and ZnO NPs. The nanocomposites were then examined for their electroactivity and potential use as cationic electrochemical sensors for detecting Sb3+ ions in phosphate buffer on the surface of a glassy carbon electrode (GCE). Among the different compositions and the terpolymer, the GCE adapted with the PLAT/ZnO/GNPs-5% nanocomposite displayed the highest current response. The fabricated nanocomposite sensor exhibited high sensitivity, with a value of 21.4177 μA μM-1 cm-2, and a low detection limit of 95.42 pM. The analytical performance of the sensor was evaluated over the linear dynamic range (LDR) of 0.1 nM to 0.01 mM. The proposed sensor is effective in detecting and measuring carcinogenic Sb3+ ions in real environmental samples using an electrochemical approach, making it a promising tool for environmental monitoring.
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Affiliation(s)
- Salsabeel Al-Sodies
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Department of Chemistry, Faculty of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia
| | - Abdullah M Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - M M Alam
- Department of Chemical Engineering, Z. H. Sikder University of Science and Technology (ZHSUST), Shariatpur-8024, Bangladesh
| | - Khalid A Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - Mohammed M Rahman
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mahmoud A Hussein
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516 Egypt
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5
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Bharathi VU, Thambidurai S. Phytofabrication of biocompatible chitosan-based ZnO nanocomposite aided by Cissus quadrangularis extract enriched with antimicrobial and antioxidant potential. Int J Biol Macromol 2024; 271:132677. [PMID: 38820903 DOI: 10.1016/j.ijbiomac.2024.132677] [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: 12/20/2023] [Revised: 05/04/2024] [Accepted: 05/24/2024] [Indexed: 06/02/2024]
Abstract
A dynamic chitosan-based ZnO nanocomposite (NC) was fabricated via a cost-effective formulation and an eco-friendly procedure utilizing Cissus quadrangularis (CQ) plant extract. This study investigates the antimicrobial and antioxidant properties, together with the cytocompatibility aspects of chitosan-incorporated ZnO nanocomposite (CS-ZnO/CQE). The formation and structural morphology of the nanocomposites were examined using FTIR, UV-Vis, XRD, XPS, BET, TGA, SEM, and TEM techniques. The antibacterial test results demonstrated the greatest inhibitory zone diameter against S. aureus (19 ± 1.00 mm) and E. coli (17 ± 1.05 mm), assessed through agar well diffusion method. Also, the composite exhibited a DPPH inhibition rate of 78.7 ± 0.34 %, indicating its high effectiveness in neutralizing free radicals. In addition, the nanocomposite exhibited less toxicity towards human erythrocytes, HDF and HEK-293 cells as a result of the biocompatibility exhibited by CS, ZnO, and CQ plant extract. Likewise, it has exceptional cell migratory capacity and possesses biodegradability factors. These observations strongly suggest the potential of CS-ZnO/CQE as a cutting-edge antibacterial and antioxidant agent to be implemented in the medical sector.
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Affiliation(s)
- V Umaiya Bharathi
- Bio-nanomaterials Research Lab, Department of Industrial Chemistry, School of chemical Sciences, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - S Thambidurai
- Bio-nanomaterials Research Lab, Department of Industrial Chemistry, School of chemical Sciences, Alagappa University, Karaikudi 630003, Tamil Nadu, India.
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6
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Alghamdi AM. Optical, thermal, mechanical, and antibacterial properties of polyvinyl alcohol/sodium alginate/ZnMn 2O 4 nanocomposites films for various optical devices and food packaging applications. Int J Biol Macromol 2024; 271:132689. [PMID: 38806084 DOI: 10.1016/j.ijbiomac.2024.132689] [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: 02/02/2024] [Revised: 05/13/2024] [Accepted: 05/25/2024] [Indexed: 05/30/2024]
Abstract
This work involves preparing zinc manganite nanoparticles (ZnMn2O4 NPs) using the Sol-gel method. Polymer nanocomposites of polyvinyl alcohol (PVA)/Sodium alginate (NaAlg)- ZnMn2O4 NPs were created using the solution casting technique. The polymer nanocomposites films were made with varying weight percentages of ZnMn2O4 nanoparticles. With the addition of nanofiller, the reduced direct and indirect energy band gap values and increased Urbach energy values were discovered in the UV-Vis data. XRD data showed a reduction in crystallinity degree with dopant. ZnMn2O4 NPs had a strong interaction with PVA/NaAlg blend, as confirmed by FTIR. The addition of ZnMn2O4 NPs led to improved thermal stability of the polymer nanocomposites films. Additionally, the nanocomposites films' mechanical characteristics were examined. The loading of ZnMn2O4 nanoparticles has been associated with an increasing trend in the mechanical properties of the nanocomposites, including its toughness, Young's modulus, Tensile strength (Ts), and elongation. The antibacterial activity of the nanocomposites against fungus and bacteria was studied. Additionally, PVA/NaAlg-ZnMn2O4 nanocomposites films had good antibacterial characteristics against environmental microorganisms such as Gram-positive (G+) S. aureus and Gram-negative(G-) E. coli bacteria as well as fungi C. albicans and A. niger. It was observed that the biodegradability of the nanocomposite films was lower compared to the pure PVA/NaAlg film. Compared to pure film, the water solubility was decreased upon the addition of ZnMn2O4 NPs. After ZnMn2O4 was added to the pure blend, the WVTR decreased. The produced polymer nanocomposites films appear to be a promising material for food packing, according to these results.
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Affiliation(s)
- Azzah M Alghamdi
- University of Jeddah, College of Science, Department of Physical Sciences, Jeddah, Saudi Arabia.
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7
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Ant Bursalı E. Novel Tannic Acid-Modified Cobalt-Based Metal-Organic Framework: Synthesis, Characterization, and Antimicrobial Activity. ACS OMEGA 2024; 9:18946-18956. [PMID: 38708246 PMCID: PMC11064010 DOI: 10.1021/acsomega.3c09169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/26/2024] [Accepted: 04/04/2024] [Indexed: 05/07/2024]
Abstract
Metal-organic frameworks (MOFs) are a class of hybrid inorganic-organic materials with typical porous structures and a unique morphology. Due to their diversity, they are extensively used in a wide range of applications such as environmental, catalysis, biomedicine, etc. In this study, a novel cobalt-based MOF modified with tannic acid (Co-TPA/TA) (TPA: terephthalic acid; TA: tannic acid) as a promising material for antimicrobial agents was synthesized and characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy with energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, inductively coupled plasma-optical emission spectrometry, and thermogravimetric analysis and compared with an as-synthesized cobalt-based framework. Co-TPA/TA demonstrated good antimicrobial efficiency under optimum conditions against yeast Candida albicans ATCC 10231, Gram-negative Escherichia coli ATCC 8739, and Gram-positive Staphylococcus aureus ATCC 6538 with an inhibition zone ranging from 14 to 20 mm. Reduced ATP levels, generation of reactive oxygen species, membrane damage from cobalt ion release, and development of an alkaline microenvironment could all be contributing factors to the possible antimicrobial pathways. The novel framework can be obtained using simple, affordable, and easily accessible commercial ligands and is considered to have the potential to be used as an antimicrobial material in the future.
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Affiliation(s)
- Elif Ant Bursalı
- Department of Chemistry, Dokuz
Eylul University, Tınaztepe, Izmir 35390, Turkiye
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8
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Ali SA, Ali ES, Hamdy G, Badawy MSEM, Ismail AR, El-Sabbagh IA, El-Fass MM, Elsawy MA. Enhancing physical characteristics and antibacterial efficacy of chitosan through investigation of microwave-assisted chemically formulated chitosan-coated ZnO and chitosan/ZnO physical composite. Sci Rep 2024; 14:9348. [PMID: 38654048 DOI: 10.1038/s41598-024-58862-6] [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: 12/31/2023] [Accepted: 04/03/2024] [Indexed: 04/25/2024] Open
Abstract
This study investigates the creation and analysis of chitosan-zinc oxide (CS-ZnO) nanocomposites, exploring their effectiveness in inhibiting bacteria. Two synthesis approaches, physical and chemical, were utilized. The CS-ZnO nanocomposites demonstrated strong antibacterial properties, especially against Staphylococcus aureus, a Gram-positive bacterium. Chemically synthesized nanocomposites (CZ10 and CZ100) exhibited larger inhibition zones (16.4 mm and 18.7 mm) compared to physically prepared CS-Z5 and CS-Z20 (12.2 mm and 13.8 mm) against Staphylococcus aureus. Moreover, CZ nanocomposites displayed enhanced thermal stability, with decomposition temperatures of 281°C and 290°C, surpassing CS-Z5 and CS-Z20 (260°C and 258°C). The residual mass percentages at 800°C were significantly higher for CZ10 and CZ100 (58% and 61%) than for CS-Z5 and CS-Z20 (36% and 34%). UV-Visible spectroscopy revealed reduced band gaps in the CS-ZnO nanocomposites, indicating improved light absorption. Transmission electron microscopy (TEM) confirmed uniform dispersion of ZnO nanoparticles within the chitosan matrix. In conclusion, this research underscores the impressive antimicrobial potential of CS-ZnO nanocomposites, especially against Gram-positive bacteria, and highlights their enhanced thermal stability. These findings hold promise for diverse applications in industries such as medicine, pharmaceuticals, and materials science, contributing to the development of sustainable materials with robust antimicrobial properties.
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Affiliation(s)
- Sara A Ali
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
| | - E S Ali
- Polymer Laboratory, Petrochemical Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt.
| | - G Hamdy
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
- Al-Azhar Technology Incubator (ATI), Nasr City, Cairo, Egypt
| | - Mona Shaban E M Badawy
- Department of Microbiology and Immunology, Faculty of Pharmacy (Girls), Al-Azhar University, Nasr City, Cairo, Egypt
| | - Abdallah R Ismail
- Department of Processes Design and Development, Egyptian Petroleum Research Institute (EPRI), Nasr City, 11727, Cairo, Egypt
| | - Inas A El-Sabbagh
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
| | - Magda M El-Fass
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
| | - Moataz A Elsawy
- Polymer Laboratory, Petrochemical Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt.
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9
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Ragab HM, Diab NS, Obeidat ST, Alghamdi AM, Khaled AM, Farea MO, Morsi MA. Improving the optical, thermal, mechanical, electrical properties and antibacterial activity of PVA-chitosan by biosynthesized Ag nanoparticles: Eco-friendly nanocomposites for food packaging applications. Int J Biol Macromol 2024; 264:130668. [PMID: 38453109 DOI: 10.1016/j.ijbiomac.2024.130668] [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: 10/16/2023] [Revised: 02/24/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
In this study, nanocomposite films were produced by blending polyvinyl alcohol (PVA) and chitosan (Cs) polymers with 70 % PVA and 30 % Cs, incorporating silver nanoparticles (Ag NPs) via a solution-casting method. The research aims to investigate the impact of the biosynthesized Ag NPs by Chenopodium murale leaf extract on optical, morphological, mechanical, thermal, electrical, and antibacterial properties. XRD analysis showed a decrease in crystallinity degree with Ag NPs addition. TEM revealed Ag NPs in cubic and spherical shapes with an average size of 23.4 nm. SEM and AFM indicated surface morphology changes. FT-IR spectra showed interaction between Ag ions and the blend. The energy gap decreased with increasing Ag NPs concentration. TGA exhibited enhanced thermal stability. Mechanical properties improved significantly. AC electrical conductivity and dielectric parameters were studied. Antibacterial activity against Gram-positive and Gram-negative bacteria was observed. Overall, PVA/Cs-Ag NPs films show promise for food packaging and optoelectronic applications.
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Affiliation(s)
- H M Ragab
- Basic Sciences Department, Deanship of Preparatory Year, University of Ha'il, Hail, Saudi Arabia.
| | - N S Diab
- Basic Sciences Department, Deanship of Preparatory Year, University of Ha'il, Hail, Saudi Arabia
| | - Sofian Talal Obeidat
- Basic Sciences Department, Deanship of Preparatory Year, University of Ha'il, Hail, Saudi Arabia
| | - Azzah M Alghamdi
- University of Jeddah, College of Science, Department of Physical Sciences, Jeddah, Saudi Arabia
| | - Azza M Khaled
- Basic Sciences Department, Deanship of Preparatory Year, University of Ha'il, Hail, Saudi Arabia; National Institute of Oceanography and Fisheries, Cairo, Egypt
| | - M O Farea
- Department of Physics, Faculty of Sciences, Ibb University, Ibb, Yemen
| | - M A Morsi
- Physics Department, Faculty of Science, Taibah University, Al-Ula, Medina, Saudi Arabia; Mathematical and Natural Sciences Department, Faculty of Engineering, Egyptian Russian University, Badr City, Cairo 11829, Egypt
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10
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Momtaz F, Momtaz E, Mehrgardi MA, Momtaz M, Narimani T, Poursina F. Enhanced antibacterial properties of polyvinyl alcohol/starch/chitosan films with NiO-CuO nanoparticles for food packaging. Sci Rep 2024; 14:7356. [PMID: 38548906 PMCID: PMC10978958 DOI: 10.1038/s41598-024-58210-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 03/26/2024] [Indexed: 04/01/2024] Open
Abstract
Packaging is very important to maintain the quality of food and prevent the growth of microbes. Therefore, the use of food packaging with antimicrobial properties protects the food from the growth of microorganisms. In this study, antibacterial nanocomposite films of polyvinyl alcohol/starch/chitosan (PVA/ST/CS) together with nickel oxide-copper oxide nanoparticles (NiO-CuONPs) are prepared for food packaging. NiO-CuONPs were synthesized by the co-precipitation method, and structural characterization of nanoparticles (NPs) was carried out by XRD, FTIR, and SEM techniques. Composites of PVA/ST/CS, containing different percentages of NPs, were prepared by casting and characterized by FTIR and FESEM. The mechanical properties, diffusion barrier, and thermal stability were determined. The nanoparticles have a round structure with an average size of 6.7 ± 1.2 nm. The cross-section of PVA/ST/CS film is dense, uniform, and without cracks. In the mechanical tests, the addition of NPs up to 1% improved the mechanical properties (TS = 31.94 MPa), while 2% of NPs lowered TS to 14.76 MPa. The fibroblast cells toxicity and the films antibacterial activity were also examined. The films displayed stronger antibacterial effects against Gram-positive bacteria (Staphylococcus aureus) compared to Gram-negative bacteria (Escherichia coli). Furthermore, these films have no toxicity to fibroblast cells and the survival rate of these cells in contact with the films is more than 84%. Therefore, this film is recommended for food packaging due to its excellent mechanical and barrier properties, good antibacterial activity, and non-toxicity.
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Affiliation(s)
- Fatemeh Momtaz
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Elham Momtaz
- Department of Chemistry, University of Isfahan, Isfahan, 8174673441, Iran
| | - Masoud A Mehrgardi
- Department of Chemistry, University of Isfahan, Isfahan, 8174673441, Iran.
| | - Mahdieh Momtaz
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Tahmineh Narimani
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Farkhondeh Poursina
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran.
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11
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Momtaz M, Momtaz E, Mehrgardi MA, Momtaz F, Narimani T, Poursina F. Preparation and characterization of gelatin/chitosan nanocomposite reinforced by NiO nanoparticles as an active food packaging. Sci Rep 2024; 14:519. [PMID: 38177381 PMCID: PMC10767100 DOI: 10.1038/s41598-023-50260-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/18/2023] [Indexed: 01/06/2024] Open
Abstract
Food packaging with antibacterial properties has attracted much attention recently. In this study, nickel oxide nanoparticles (NiONPs) were synthesized by co-precipitation and then gelatin/chitosan polymer films (GEL/CS) with different percentages of NiONPs, bio-nanocomposites, were prepared by casting. Morphology, crystal microstructure, molecular interactions and thermal stabilities of the NPs and the composite films were characterized by FESEM, XRD, FTIR and TGA, respectively. The bio-nanocomposite films exhibited excellent barrier, thermal and mechanical properties by addition of an optimized content of NPs. For example, the tensile strength (TS) of the GEL/CS film without NPs was 23.83 MPa and increased to 30.13 MPa by incorporation of 1% NPs. The antibacterial properties and toxicity of the films were investigated. These films show good antibacterial behavior against Gram-positive (Staphylococcus aureus) bacteria compared to Gram-negative (Escherichia coli) bacteria. Furthermore, the films were found to be non-toxic to fibroblast cells that came into contact with the films, with a survival rate of more than 88%. Therefore, these films can be applied for food packaging due to their excellent mechanical, barrier, and antibacterial properties.
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Affiliation(s)
- Mahdieh Momtaz
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran
| | - Elham Momtaz
- Department of Chemistry, University of Isfahan, Isfahan, 8174673441, Iran
| | - Masoud A Mehrgardi
- Department of Chemistry, University of Isfahan, Isfahan, 8174673441, Iran.
| | - Fatemeh Momtaz
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran
| | - Tahmineh Narimani
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran.
| | - Farkhondeh Poursina
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran
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12
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Alnehia A, Al-Sharabi A, Al-Odayni AB, Al-Hammadi AH, AL-Ostoot FH, Saeed WS, Abduh NAY, Alrahlah A. Lepidium sativum Seed Extract-Mediated Synthesis of Zinc Oxide Nanoparticles: Structural, Morphological, Optical, Hemolysis, and Antibacterial Studies. Bioinorg Chem Appl 2023; 2023:4166128. [PMID: 37780971 PMCID: PMC10541302 DOI: 10.1155/2023/4166128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/05/2023] [Accepted: 09/09/2023] [Indexed: 10/03/2023] Open
Abstract
Nanomaterials have unique physicochemical properties compared to their bulk counterparts. Besides, biologically synthesized nanoparticles (NPs) have proven superior to other methods. This work aimed to biosynthesize zinc oxide (ZnO) NPs using an aqueous extract of Lepidium sativum seed. The obtained ZnO NPs were characterized by X-ray diffraction, scanning electron microscopy, Fourier transform infrared, and ultraviolet-visible spectroscopy. The in vitro antibacterial activity of ZnO NPs against Gram-positive (S. aureus) and Gram-negative (E. coli) bacteria was assessed using the disk diffusion technique. The hemolytic impact was quantified spectrophotometrically. The results indicated a 24.2 nm crystallite size, a hexagonal structure phase, and a 3.48 eV optical bandgap. Antibacterial studies revealed a dose-dependent response with comparable activity to the standard drug (gentamicin) and higher activity against S. aureus than E. coli, e.g., the zone of inhibition at 120 mg/mL was 23 ± 1.25 and 16 ± 1.00 mm, respectively. The hemolysis assay showed no potential harm due to ZnO NPs toward red blood cells if utilized in low doses. As a result, it could be concluded that the reported biogenic method for synthesizing ZnO NPs is promising, resulting in hemocompatible NPs and comparable bactericidal agents.
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Affiliation(s)
- Adnan Alnehia
- Department of Physics, Faculty of Sciences, Sana'a University, Sana'a, Yemen
| | - Annas Al-Sharabi
- Department of Physics, Faculty of Applied Sciences, Thamar University, Dhamar 87246, Yemen
| | - Abdel-Basit Al-Odayni
- Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia
| | - A. H. Al-Hammadi
- Department of Physics, Faculty of Sciences, Sana'a University, Sana'a, Yemen
| | - Fares H. AL-Ostoot
- Department of Biochemistry, Faculty of Education and Sciences, Albaydha University, Albaydha, Yemen
| | - Waseem Sharaf Saeed
- Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia
| | - Naaser A. Y. Abduh
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ali Alrahlah
- Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia
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13
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Jangjou A, Moqadas M, Mohsenian L, Kamyab H, Chelliapan S, Alshehery S, Ali MA, Dehbozorgi F, Yadav KK, Khorami M, Zarei Jelyani N. Awareness raising and dealing with methanol poisoning based on effective strategies. ENVIRONMENTAL RESEARCH 2023; 228:115886. [PMID: 37072082 DOI: 10.1016/j.envres.2023.115886] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/04/2023] [Accepted: 04/10/2023] [Indexed: 05/16/2023]
Abstract
Intoxication with methanol most commonly occurs as a consequence of ingesting, inhaling, or coming into contact with formulations that include methanol as a base. Clinical manifestations of methanol poisoning include suppression of the central nervous system, gastrointestinal symptoms, and decompensated metabolic acidosis, which is associated with impaired vision and either early or late blindness within 0.5-4 h after ingestion. After ingestion, methanol concentrations in the blood that are greater than 50 mg/dl should raise some concern. Ingested methanol is typically digested by alcohol dehydrogenase (ADH), and it is subsequently redistributed to the body's water to attain a volume distribution that is about equivalent to 0.77 L/kg. Moreover, it is removed from the body as its natural, unchanged parent molecules. Due to the fact that methanol poisoning is relatively uncommon but frequently involves a large number of victims at the same time, this type of incident occupies a special position in the field of clinical toxicology. The beginning of the COVID-19 pandemic has resulted in an increase in erroneous assumptions regarding the preventative capability of methanol in comparison to viral infection. More than 1000 Iranians fell ill, and more than 300 of them passed away in March of this year after they consumed methanol in the expectation that it would protect them from a new coronavirus. The Atlanta epidemic, which involved 323 individuals and resulted in the deaths of 41, is one example of mass poisoning. Another example is the Kristiansand outbreak, which involved 70 people and resulted in the deaths of three. In 2003, the AAPCC received reports of more than one thousand pediatric exposures. Since methanol poisoning is associated with high mortality rates, it is vital that the condition be addressed seriously and managed as quickly as feasible. The objective of this review was to raise awareness about the mechanism and metabolism of methanol toxicity, the introduction of therapeutic interventions such as gastrointestinal decontamination and methanol metabolism inhibition, the correction of metabolic disturbances, and the establishment of novel diagnostic/screening nanoparticle-based strategies for methanol poisoning such as the discovery of ADH inhibitors as well as the detection of the adulteration of alcoholic drinks by nanoparticles in order to prevent methanol poisoning. In conclusion, increasing warnings and knowledge about clinical manifestations, medical interventions, and novel strategies for methanol poisoning probably results in a decrease in the death load.
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Affiliation(s)
- Ali Jangjou
- Department of Emergency Medicine, School of Medicine, Namazi Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran; Emergency Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mostafa Moqadas
- Department of Emergency Medicine, School of Medicine, Namazi Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran; Emergency Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Leila Mohsenian
- Department of Emergency Medicine, School of Medicine, Namazi Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran; Emergency Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hesam Kamyab
- Faculty of Architecture and Urbanism, UTE University, Calle Rumipamba S/N and Bourgeois, Quito, Ecuador; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, 600 077, India; Process Systems Engineering Centre (PROSPECT), Faculty of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia.
| | - Shreeshivadasan Chelliapan
- Engineering Department, Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Jln Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia.
| | - Sultan Alshehery
- Department of Mechanical Engineering King Khalid University, zip code - 62217, Saudi Arabia
| | - Mohammed Azam Ali
- Department of Mechanical Engineering King Khalid University, zip code - 62217, Saudi Arabia
| | - Farbod Dehbozorgi
- Department of Emergency Medicine, School of Medicine, Namazi Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran; Emergency Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal, 462044, India; Environmental and Atmospheric Sciences Research Group, Scientific Research Center, Al-Ayen University, Thi-Qar, Nasiriyah, 64001, Iraq
| | - Masoud Khorami
- Department of Civil Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran
| | - Najmeh Zarei Jelyani
- Department of Emergency Medicine, School of Medicine, Namazi Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran; Emergency Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
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14
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Yigit O. Thermal, chemical, and structural investigation of the usability of Cs/nHAp-ZnO/Glutaraldehyde polymer matrix composite in potential biomaterial applications. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
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15
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Eelager MP, Masti SP, Chougale RB, Hiremani VD, Narasgoudar SS, Dalbanjan NP, S K PK. Evaluation of mechanical, antimicrobial, and antioxidant properties of vanillic acid induced chitosan/poly (vinyl alcohol) active films to prolong the shelf life of green chilli. Int J Biol Macromol 2023; 232:123499. [PMID: 36736522 DOI: 10.1016/j.ijbiomac.2023.123499] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/21/2023] [Accepted: 01/28/2023] [Indexed: 02/01/2023]
Abstract
Vanillic acid incorporated chitosan/poly(vinyl alcohol) active films were prepared by employing a cost-effective solvent casting technique. FTIR investigation validated the intermolecular interaction and formation of Schiff's base (C=N) between functional groups of vanillic acid, chitosan, and poly(vinyl alcohol). The addition of vanillic acid resulted in homogenous and dense morphology, as confirmed by SEM micrographs. The tensile strength of active films increased from 32 to 59 MPa as the amount of vanillic acid increased and the obtained values are more significant than reported polyethylene (2231 MPa) and polypropylene (31-38 MPa) films, widely utilized in food packaging. Active film's UV, water, and oxygen barrier properties exhibited excellent results with the incorporation of vanillic acid. Around 40 % of degradation commences within 15 days. Synergistic impact against S. aureus, E. coli, and C. albicans pathogens caused the expansion of the inhibition zone, evidenced by the excellent antimicrobial activity. The highest antioxidant capacity, 73.65 % of CPV-4 active film, proved that active films could prevent the spoilage of food from oxidation. Green chillies packaging was carried out to examine the potential of prepared active films as packaging material results in successfully sustaining carotenoid accumulation and prolonging the shelf life compared to conventional polyethylene (PE) packaging.
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Affiliation(s)
- Manjunath P Eelager
- Department of Chemistry, Karnatak Science College, Dharwad 580 001, Karnataka, India
| | - Saraswati P Masti
- Department of Chemistry, Karnatak Science College, Dharwad 580 001, Karnataka, India.
| | - Ravindra B Chougale
- PG Department of Studies in Chemistry, Karnatak University, Dharwad 580 003, Karnataka, India
| | - Vishram D Hiremani
- Department of Chemistry, Tungal School of Basic and Applied Sciences, Jamkhandi 587301, Karnataka, India
| | | | | | - Praveen Kumar S K
- PG Department of Studies in Biochemistry, Karnatak University, Dharwad 580 003, Karnataka, India
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16
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Hezma AM, Shaltout WA, Kabary HA, El-Bahy GS, Abdelrazzak AB. Fabrication, Characterization and Adsorption Investigation of Nano Zinc Oxide–Sodium Alginate Beads for Effective Removal of Chromium (VI) from Aqueous Solution. J Inorg Organomet Polym Mater 2023. [DOI: 10.1007/s10904-023-02573-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Abstract
AbstractAlginate–zinc oxide (Alg–ZnO) biocomposite was synthesized and tested as a chromium ions Cr(VI) adsorbent for environmental applications. Alg–ZnO biocomposite was prepared by the interaction between sodium alginate biopolymer and zinc oxide nanoparticles (ZnO–NPs), prepared by modified wet chemical method. The solid adsorption characteristics of the synthesized Alg–ZnO biocomposite were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM), and UV–Vis spectroscopy. Adsorption isotherms of chromium ions on the prepared Alg–ZnO biocomposite were investigated with varying the initial concentration of Cr(VI) under different application conditions such as pH, contact time, adsorbent dosage, and temperature. Adsorption of Cr(VI) was investigated by different isotherm models such as Langmuir, Freundlich, Temkin and Dubinin–Radushkevich models. Maximum adsorption capacities (31.09 and 34.63 mg/g) were achieved by ZnO–NPs and Alg–ZnO, respectively at 25 °C. The results of isotherm models indicate the perfect applicability of Langmuir and Dubinin–Radushkevich models, revealing the dominance of monolayer and the physisorption of chromium ions onto the studied adsorbents.
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17
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Pino P, Bosco F, Mollea C, Onida B. Antimicrobial Nano-Zinc Oxide Biocomposites for Wound Healing Applications: A Review. Pharmaceutics 2023; 15:pharmaceutics15030970. [PMID: 36986831 PMCID: PMC10053511 DOI: 10.3390/pharmaceutics15030970] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Chronic wounds are a major concern for global health, affecting millions of individuals worldwide. As their occurrence is correlated with age and age-related comorbidities, their incidence in the population is set to increase in the forthcoming years. This burden is further worsened by the rise of antimicrobial resistance (AMR), which causes wound infections that are increasingly hard to treat with current antibiotics. Antimicrobial bionanocomposites are an emerging class of materials that combine the biocompatibility and tissue-mimicking properties of biomacromolecules with the antimicrobial activity of metal or metal oxide nanoparticles. Among these nanostructured agents, zinc oxide (ZnO) is one of the most promising for its microbicidal effects and its anti-inflammatory properties, and as a source of essential zinc ions. This review analyses the most recent developments in the field of nano-ZnO–bionanocomposite (nZnO-BNC) materials—mainly in the form of films, but also hydrogel or electrospun bandages—from the different preparation techniques to their properties and antibacterial and wound-healing performances. The effect of nanostructured ZnO on the mechanical, water and gas barrier, swelling, optical, thermal, water affinity, and drug-release properties are examined and linked to the preparation methods. Antimicrobial assays over a wide range of bacterial strains are extensively surveyed, and wound-healing studies are finally considered to provide a comprehensive assessment framework. While early results are promising, a systematic and standardised testing procedure for the comparison of antibacterial properties is still lacking, partly because of a not-yet fully understood antimicrobial mechanism. This work, therefore, allowed, on one hand, the determination of the best strategies for the design, engineering, and application of n-ZnO-BNC, and, on the other hand, the identification of the current challenges and opportunities for future research.
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18
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Photo- and Water-Degradation Phenomena of ZnO Bio-Blend Based on Poly(lactic acid) and Polyamide 11. Polymers (Basel) 2023; 15:polym15061434. [PMID: 36987214 PMCID: PMC10058673 DOI: 10.3390/polym15061434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 02/24/2023] [Accepted: 03/08/2023] [Indexed: 03/16/2023] Open
Abstract
The goal of this work was to investigate the morphological and chemical–physical changes induced by adding ZnO nanoparticles to bio-based polymeric materials based on polylactic acid (PLA) and polyamide 11 (PA11). Precisely, the photo- and water-degradation phenomena of nanocomposite materials were monitored. For this purpose, the formulation and characterization of novel bio-nanocomposite blends based on PLA and PA11 at a ratio of 70/30 wt.% filled with zinc oxide (ZnO) nanostructures at different percentages were performed. The effect of ZnO nanoparticles (≤2 wt.%) within the blends was thoroughly explored by employing thermogravimetry (TGA), size exclusion chromatography (SEC), matrix-assisted laser desorption ionization–time-of-flight mass spectrometry (MALDI-TOF MS) and scanning and transmission electron microscopy (SEM and TEM). Adding up to 1% wt. of ZnO resulted in a higher thermal stability of the PA11/PLA blends, with a decrement lower than 8% in terms of molar masses (MMs) values being obtained during blend processing at 200 °C. ZnO promoted trans-ester-amide reactions between the two polymers, leading to the formation of PLA/PA11 copolymers. These species could work as compatibilisers at the polymer interface, improving thermal and mechanical properties. However, the addition of higher quantities of ZnO affected such properties, influencing the photo-oxidative behaviour and thus thwarting the material’s application for packaging use. The PLA and blend formulations were subjected to natural aging in seawater for two weeks under natural light exposure. The 0.5% wt. ZnO sample induced polymer degradation with a decrease of 34% in the MMs compared to the neat samples.
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19
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Bharati D, Saroj A. Plasticization effect of ionic liquid on structural, thermal and ion transport properties of CS-PVA-NaI based bio-polymer electrolyte membranes. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2023.2175223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Affiliation(s)
- Devesh Bharati
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Achchhe Saroj
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, India
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20
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Purushothaman M, Harikrishnan A, Senthil Kumar P, George J, Rangasamy G, Vaidyanathan VK. Enhancement of antifouling properties, metal ions and protein separation of poly(ether-ether-sulfone) ultrafiltration membranes by incorporation of poly ethylene glycol and n-ZnO. ENVIRONMENTAL RESEARCH 2023; 216:114696. [PMID: 36328226 DOI: 10.1016/j.envres.2022.114696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/11/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Composite polymeric membranes with enhanced anti-fouling properties, antimicrobial activities and flux were produced via the phase inversion technique using poly (ether-ether-sulfone) (PEES)/polyethylene glycol (PEG) and n-ZnO. SEM and ATR-FTIR spectroscopy were used to study the morphological and chemical properties of the resulting ultrafiltration membranes. PEG and n-ZnO concentration has an effect on membrane morphologies, ultrafiltration performance, thermal characteristics, metal ion separation studies, surface hydrophilicity and anti-fouling capabilities. The permeate flux increased when the PEG concentration was raised. This results revealed that adding PEG and n-ZnO to membranes increased their surface hydrophilicity and anti-fouling properties. The inclusion of 1.5 wt % n-ZnO and 5 wt % PEG to the pristine PEES membrane resulted in a higher flux of 233.76 L m-2 h-1, 70.09 % of water content, 47.46° of contact angle, the porosity of 30.20 %, and hydraulic resistance of 0.22 kPa/Lm-2h-1. Anti-fouling properties of the fabricated membrane were assessed using a model foulant BSA, which revealed a high flux recovery ratio value. As a result, the PEG and n-ZnO incorporated membrane is more hydrophilic than the virgin membrane. In addition, the prepared PEES/PEG/n-ZnO membrane showed a significant increase in metal ions and protein rejection. Furthermore, an antibacterial test of the membrane revealed that the PEG and n-ZnO composite membrane outperformed the bare PEES membrane in terms of antibacterial capabilities. Overall, the findings reveal that combining n-ZnO and PEG resulted in a membrane with improved anti-fouling capabilities and hydrophilicity, making it suitable for water purification.
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Affiliation(s)
| | - Adhikesavan Harikrishnan
- Department of Chemistry, School of Arts and Science, AVIT Campus, Vinayaka Mission's Research Foundation, Paiyanoor, Chennai - 603104, Tamil Nadu, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam 603110, Tamil Nadu, India; School of Engineering, Lebanese American University, Byblos, Lebanon.
| | - Jenet George
- Integrated Bioprocessing Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, - 603 203, India
| | - Gayathri Rangasamy
- University Centre for Research and Development & Department of Civil Engineering, Chandigarh University, Gharuan, Mohali, Punjab - 140413, India
| | - Vinoth Kumar Vaidyanathan
- Integrated Bioprocessing Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, - 603 203, India.
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Elango J, Zamora-Ledezma C, Negrete-Bolagay D, Aza PND, Gómez-López VM, López-González I, Belén Hernández A, De Val JEMS, Wu W. Retinol-Loaded Poly(vinyl alcohol)-Based Hydrogels as Suitable Biomaterials with Antimicrobial Properties for the Proliferation of Mesenchymal Stem Cells. Int J Mol Sci 2022; 23:ijms232415623. [PMID: 36555266 PMCID: PMC9779207 DOI: 10.3390/ijms232415623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/30/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
Polyvinyl alcohol (PVA) hydrogels are well-known biomimetic 3D systems for mammalian cell cultures to mimic native tissues. Recently, several biomolecules were intended for use in PVA hydrogels to improve their biological properties. However, retinol, an important biomolecule, has not been combined with a PVA hydrogel for culturing bone marrow mesenchymal stem (BMMS) cells. Thus, for the first time, the effect of retinol on the physicochemical, antimicrobial, and cell proliferative properties of a PVA hydrogel was investigated. The ability of protein (3.15 nm) and mineral adsorption (4.8 mg/mL) of a PVA hydrogel was improved by 0.5 wt.% retinol. The antimicrobial effect of hydrogel was more significant in S. aureus (39.3 mm) than in E. coli (14.6 mm), and the effect was improved by increasing the retinol concentration. The BMMS cell proliferation was more upregulated in retinol-loaded PVA hydrogel than in the control at 7 days. We demonstrate that the respective in vitro degradation rate of retinol-loaded PVA hydrogels (RPH) (75-78% degradation) may promote both antibacterial and cellular proliferation. Interestingly, the incorporation of retinol did not affect the cell-loading capacity of PVA hydrogel. Accordingly, the fabricated PVA retinol hydrogel proved its compatibility in a stem cell culture and could be a potential biomaterial for tissue regeneration.
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Affiliation(s)
- Jeevithan Elango
- Department of Biomaterials Engineering, Faculty of Health Sciences, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
- Center of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India
- Correspondence: or (J.E.); (C.Z.-L.)
| | - Camilo Zamora-Ledezma
- Green and Innovative Technologies for Food, Environment and Bioengineering Research Group (FEnBeT), Faculty of Pharmacy and Nutrition, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
- Correspondence: or (J.E.); (C.Z.-L.)
| | - Daniela Negrete-Bolagay
- School of Biological Sciences and Engineering, Yachay Tech University, Urcuquí 100119, Ecuador
| | - Piedad N. De Aza
- Instituto de Bioingeniería, Universidad Miguel Hernández, Avda. de la Universidad s/n, 03202 Elche, Spain
| | - Vicente M. Gómez-López
- Green and Innovative Technologies for Food, Environment and Bioengineering Research Group (FEnBeT), Faculty of Pharmacy and Nutrition, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
| | - Ivan López-González
- Tissue Regeneration and Repair Group, Biomaterials and Tissue Engineering, Faculty of Health Sciences, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
| | - Ana Belén Hernández
- Tissue Regeneration and Repair Group, Biomaterials and Tissue Engineering, Faculty of Health Sciences, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
| | - José Eduardo Maté Sánchez De Val
- Department of Biomaterials Engineering, Faculty of Health Sciences, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
| | - Wenhui Wu
- Department of Marine Bio-Pharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
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22
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Hydroxypropyl methylcellulose/carboxymethyl starch/zinc oxide porous nanocomposite films for wound dressing application. Carbohydr Polym 2022; 298:120082. [DOI: 10.1016/j.carbpol.2022.120082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/31/2022] [Accepted: 09/02/2022] [Indexed: 11/22/2022]
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23
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Pullulan/chitosan-based functional film incorporated with curcumin-integrated chitosan nanoparticles. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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24
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Gundewadi G, Rudra SG, Prasanna R, Banerjee T, Singh SK, Dhakate SR, Gupta A, Anand A. Palladium encapsulated nanofibres for scavenging ethylene from sapota fruits. Front Nutr 2022; 9:994813. [DOI: 10.3389/fnut.2022.994813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/20/2022] [Indexed: 11/10/2022] Open
Abstract
Scavenging ethylene is a useful intervention during the transportation and storage of tropical climacteric fruits like sapota. Sapota (Manilkara achras Mill.) is a delicious tropical fruit with a very high respiration rate and poor shelf life. To prolong its post-harvest shelf life, the use of palladium chloride in electrospun nanomats was evaluated at a concentration varying from 1 to 4% levels. Encapsulation of 1–2% PdCl2 in nanomats increased the ethylene scavenging capacity (ESC) by 47–68%. Although, upon encapsulation, both PdCl2 and potassium permanganate showed significantly the same ethylene scavenging activity, the efficacy of PdCl2 was found better in presence of sapota fruits. The PdCl2 nanomats were brighter (L* > 73) in colour compared to the potassium permanganate mat. The placement of nanomats (2 cm2 × 9 cm2) in corrugated fibre board boxes in which the sapota was packed showed higher quality indices (firmness, TSS, ascorbic acid, and phenolics) along with lower PLW and respiration rate during the 8 days of storage period. Compared to control (8.35%), physiological loss in weight of 4.47% was recorded in fruits stored with ethylene scavenging nanomats. PdCl2 encapsulated PVA nanomats can emerge as a promising option for the retention of quality in fruits during storage and transit.
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Sharma S, Acharya AD, Thakur YS, Bhawna. Controlled synthesis of hierarchical BiOCl nanostructure with exposed {010} facets to yield enhanced photocatalytic performance for PMMA deterioration. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03313-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Structural and antibacterial properties of doped zinc oxide and their composites with hydroxyapatite. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Alghamdi HM, Abutalib MM, Rajeh A, Mannaa MA, Nur O, Abdelrazek EM. Effect of the Fe2O3/TiO2 Nanoparticles on the Structural, Mechanical, Electrical Properties and Antibacterial Activity of the Biodegradable Chitosan/Polyvinyl Alcohol Blend for Food Packaging. JOURNAL OF POLYMERS AND THE ENVIRONMENT 2022; 30:3865-3874. [DOI: 10.1007/s10924-022-02478-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/05/2022] [Indexed: 07/04/2024]
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Abutalib M, Alghamdi HM, Rajeh A, Nur O, Hezmad A, Mannaa MA. Preparation of rGO/FeMoO4 as high-performance photocatalyst for degradation of malachite green, phenol and H2 evolution under natural sunlight. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 2022; 47:32955-32968. [DOI: 10.1016/j.ijhydene.2022.07.189] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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Abutalib M, Alghamdi HM, Rajeh A, Nur O, Hezma A, Mannaa MA. Fe3O4/Co3O4–TiO2 S-scheme photocatalyst for degradation of organic pollutants and H2 production under natural sunlight. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY 2022; 20:1043-1056. [DOI: 10.1016/j.jmrt.2022.07.078] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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Effect of glycerol, sunflower oil, and glucose on the physico-chemical and mechanical properties of chitosan/polyvinyl alcohol-based films. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03803-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Alghamdi HM, Abutalib M, Mannaa MA, Nur O, Abdelrazek E, Rajeh A. Modification and development of high bioactivities and environmentally safe polymer nanocomposites doped by Ni/ZnO nanohybrid for food packaging applications. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY 2022; 19:3421-3432. [DOI: 10.1016/j.jmrt.2022.06.077] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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Combined Effect of Microstructure, Surface Energy, and Adhesion Force on the Friction of PVA/Ferrite Spinel Nanocomposites. NANOMATERIALS 2022; 12:nano12121998. [PMID: 35745337 PMCID: PMC9227130 DOI: 10.3390/nano12121998] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/03/2022] [Accepted: 06/08/2022] [Indexed: 01/29/2023]
Abstract
Nanocomposite films based on spinel ferrite (Mg0.8Zn0.2Fe1.5Al0.5O4) in a PVA matrix were obtained. An increase in the spinel concentration to 10 wt.% caused an avalanche-like rise in roughness due to the formation of nanoparticle agglomerates. The lateral mode of atomic force microscopy (AFM) allowed us to trace the agglomeration dynamics. An unexpected result was that the composite with 6 wt.% of filler had a low friction coefficient in comparison with similar composites due to the successfully combined effects of low roughness and surface energy. The friction coefficient decreased to 0.07 when the friction coefficient of pure PVA was 0.72. A specially developed method for measuring nano-objects' surface energy using AFM made it possible to explain the anomalous nature of the change in tribological characteristics.
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Belkheir M, Rouissat M, Mokaddem A, Doumi B, Boutaous A. Studying the effect of polymethyl methacrylate polymer opticals fibers (POFs) on the performance of composite materials based on the polyether ether ketone (PEEK) polymer matrix. EMERGENT MATERIALS 2022; 5:2075-2085. [PMID: 35692304 PMCID: PMC9171084 DOI: 10.1007/s42247-022-00392-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 05/24/2022] [Indexed: 05/05/2023]
Abstract
More recently, various techniques have been implemented for the sensors manufacturing purpose, such as fiber Bragg gratings fibers (FBG) that allows variable core refractive index suitable for a large scale of measurements types, fiber optic evanescent waves (FOEW) for water parameters measurement, microstructured and crystal photonic optical fibers, polymers optical fiber (POFs), and so on. In this perspective, the objective of this work is to study the reliability and the origin of the resistance of each fiber-matrix interface of the composite materials PMMA/PEEK, Topas/PEEK, and Topas-Zeonex/PEEK. The genetic simulation is based on the probabilistic approach of Weibull to calculate the damage at the interface by crossing the two damages of the matrix and the fiber respectively. The results show that the PMMA/PEEK composite is the most resistant to the mechanical stresses applied compared to those Topas/PEEK and Topas-Zeonex/PEEK; these results were confirmed by the level of damage to the interface observed for the studied materials. The performed calculations are in good agreement with the analytical results of Cox, where he demonstrated that Young's modulus of fibers have an important influence on the shear strength of the fiber-matrix interface of composite materials. Based on the obtained results, the present study gives the opportunity for the proposed materials (PMMA/PEEK and Zeonex/PEEK) to be as potential candidates for the smart digital applications and telecoms aims.
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Affiliation(s)
- Mohammed Belkheir
- Laboratoire d’Instrumentation Et Matériaux Avancés, Centre Universitaire Nour Bachir El-Bayadh, 32000 El-Bayadh, Algeria
| | - Mehdi Rouissat
- Laboratoire STIC (Université de Tlemcen), Tlemce, Algeria
- Centre Universitaire Nour Bachir El-Bayadh, 32000 El-Bayadh, Algeria
| | - Allel Mokaddem
- Laboratoire d’Instrumentation Et Matériaux Avancés, Centre Universitaire Nour Bachir El-Bayadh, 32000 El-Bayadh, Algeria
| | - Bendouma Doumi
- Laboratoire d’Instrumentation Et Matériaux Avancés, Centre Universitaire Nour Bachir El-Bayadh, 32000 El-Bayadh, Algeria
- Département Technologie Des Matériaux, Faculté de Physique, Université des Sciences et de la Technologie, USTO-MB, Oran, Algeria
| | - Ahmed Boutaous
- Faculty of Sciences, Department of Physics, Dr Tahar Moulay University of Saïda, 20000 Saïda, Algeria
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Alnehia A, Al-Hammadi A, Al-Sharabi A, Alnahari H. Optical, structural and morphological properties of ZnO and Fe+3 doped ZnO-NPs prepared by Foeniculum vulgare extract as capping agent for optoelectronic applications. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109699] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Improved Physical, thermal, and conductivity strength of ternary nanocomposite films of PVDF/PMMA/GO NPs for electrical applications. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03060-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bilal B, Niazi R, Nadeem S, Farid MA, Nazir MS, Akhter T, Javed M, Mohyuddin A, Rauf A, Ali Z, Naqvi SAR, Muhammad N, Elkaeed EB, Ibrahium HA, Awwad NS, Hassan SU. Fabrication of Guided Tissue Regeneration Membrane Using Lignin-Mediated ZnO Nanoparticles in Biopolymer Matrix for Antimicrobial Activity. Front Chem 2022; 10:837858. [PMID: 35518713 PMCID: PMC9063929 DOI: 10.3389/fchem.2022.837858] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 03/21/2022] [Indexed: 11/25/2022] Open
Abstract
Periodontal disease is a common complication, and conventional periodontal surgery can lead to severe bleeding. Different membranes have been used for periodontal treatment with limitations, such as improper biodegradation, poor mechanical property, and no effective hemostatic property. Guided tissue regeneration (GTR) membranes favoring periodontal regeneration were prepared to overcome these shortcomings. The mucilage of the chia seed was extracted and utilized to prepare the guided tissue regeneration (GTR) membrane. Lignin having antibacterial properties was used to synthesize lignin-mediated ZnO nanoparticles (∼Lignin@ZnO) followed by characterization with analytical techniques like Fourier-transform infrared spectroscopy (FTIR), UV–visible spectroscopy, and scanning electron microscope (SEM). To fabricate the GTR membrane, extracted mucilage, Lignin@ZnO, and polyvinyl alcohol (PVA) were mixed in different ratios to obtain a thin film. The fabricated GTR membrane was evaluated using a dynamic fatigue analyzer for mechanical properties. Appropriate degradation rates were approved by degradability analysis in water for different intervals of time. The fabricated GTR membrane showed excellent antibacterial properties against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) bacterial species.
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Affiliation(s)
- Bushra Bilal
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Rimsha Niazi
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
| | - Sohail Nadeem
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
| | - Muhammad Asim Farid
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan
| | - Muhammad Shahid Nazir
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Toheed Akhter
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
| | - Mohsin Javed
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
| | - Ayesha Mohyuddin
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
| | - Abdul Rauf
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
| | - Zulfiqar Ali
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Lahore, , Pakistan
| | - Syed Ali Raza Naqvi
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Nawshad Muhammad
- Department of Dental Materials, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Eslam B Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, Almaarefa University, Riyadh, Saudi Arabia
| | - Hala A Ibrahium
- Biology Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia.,Department of Semi Pilot Plant, Nuclear Materials Authority, Cairo, Egypt
| | - Nasser S Awwad
- Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Sadaf Ul Hassan
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan.,Department of Chemistry, School of Sciences, University of Management and Technology, Lahore Campus, Lahore, Pakistan
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Pashameah RA, Ibrahium HA, Awwad NS, Farea MO, Ahmed HA, El-Morsy MA, Menazea AA. Modification and development of the optical, structural, thermal and electrical characterization of Chitosan incorporated with Au/Bi2O3/Mo NPs fabricated by laser ablation. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02305-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Alghamdi HM, Rajeh A. Synthesis of CoFe2O4/MWCNTs Nanohybrid and its Effect on the Optical, Thermal, and Conductivity of PVA/CMC Composite as an Application in Electrochemical Devices. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02322-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Abstract
Metal-conducting polyaniline (PANI)-based nanocomposite materials have attracted attention in various applications due to their synergism of electrical, mechanical, and optical properties of the initial components. Herein, metal-PANI nanocomposites, including silver nanoparticle-polyaniline (AgNP-PANI), zinc oxide nanoparticle-polyaniline (ZnONP-PANI), and silver-zinc oxide nanoparticle-polyaniline (Ag–ZnONP-PANI), were prepared using the two processes. Nanocomposite-based electrode platforms were prepared by depositing AgNPs, ZnONPs, or Ag–ZnONPs on a PANI modified glass carbon electrode (GCE) in the presence of 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide/N-Hydroxysuccinimide (EDC/NHS, 1:2) as coupling agents. The incorporation of AgNPs, ZnONPs, and Ag–ZnONPs onto PANI was confirmed by UV-Vis spectrophotometry, which showed five absorbance bands at 216 nm, 412 nm, 464 nm, 550 nm, and 831 nm (i.e., transition of π-π*, π-polaron band transition, polaron-π* electronic transition, and AgNPs). The FTIR characteristic signatures of the nanocomposite materials exhibited stretching arising from C–H aromatic, C–O, and C–N stretching mode for benzenoid rings, and =C–H plane bending vibration formed during protonation. The CV voltammograms of the nanocomposite materials showed a quasi-reversible behavior with increased redox current response. Notably, AgNP–PANI–GCE electrode showed the highest conductivity, which was attributed the high conductivity of silver. The increase in peak currents exhibited by the composites shows that AgNPs and ZnONPs improve the electrical properties of PANI, and they could be potential candidates for electrochemical applications.
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Motaghi H, Arabkhani P, Parvinnia M, Javadian H, Asfaram A. Synthesis of highly porous three-dimensional PVA/GO/ZIF-67 cryogel for the simultaneous treatment of waters contaminated with cadmium (II) and lead (II) heavy metal ions. NEW J CHEM 2022. [DOI: 10.1039/d1nj05418j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this research, PVA/GO/ZIF-67 cryogel as a highly porous three-dimensional polymeric adsorbent was synthesized by freeze-drying method and applied for the simultaneous removal of Cd2+ and Pb2+ ions from contaminated...
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Alshorifi FT, Alswat AA, Mannaa MA, Alotaibi MT, El-Bahy SM, Salama RS. Facile and Green Synthesis of Silver Quantum Dots Immobilized onto a Polymeric CTS-PEO Blend for the Photocatalytic Degradation of p-Nitrophenol. ACS OMEGA 2021; 6:30432-30441. [PMID: 34805673 PMCID: PMC8600520 DOI: 10.1021/acsomega.1c03735] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/21/2021] [Indexed: 05/17/2023]
Abstract
Immobilization of inorganic metal quantum dots (especially, noble transition metals) onto organic polymers to synthesize nanometal-polymer composites (NMPCs) has attracted considerable attention because of their advanced optical, electrical, catalytic/photocatalytic, and biological properties. Herein, novel, highly efficient, stable, and visible light-active NMPC photocatalysts consisting of silver quantum dots (Ag QDs) immobilized onto polymeric chitosan-polyethylene oxide (CTS-PEO) blend sheets have been successfully prepared by an in situ self-assembly facile casting method as a facile and green approach. The CTS-PEO blend polymer acts as a reducing and a stabilizing agent for Ag QDs which does not generate any environmental chemical pollutant. The prepared x wt % Ag QDs/CTS-PEO composites were fully characterized through X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy (TEM), thermogravimetric analysis, and UV/visible spectroscopy. The characterization results indicated the successful synthesis of the Ag QDs/CTS-PEO composites by the interactions and complexation between x wt % Ag QDs and CTS-PEO blend sheets. TEM images revealed small granules randomly distributed onto the CTS-PEO blend sheets, indicating the immobilization of Ag QDs onto CTS-PEO composites. The presence of a surface plasmon resonance (SPR) band and the shifting of the absorption edge toward higher wavelengths in the UV/vis spectra indicated the formation of x wt % Ag QDs/CTS-PEO composites. The Ag QDs in the polymeric blend matrix led to remarkable enhancement in the optical, thermal, electrical, and photocatalytic properties of x wt % Ag QDs/CTS-PEO composites. The photocatalytic efficiency of the prepared composites was evaluated by the photodegradation of p-nitrophenol (PNP) under simulated sunlight. The maximum photocatalytic degradation reached 91.1% efficiency within 3 h for the 12.0 wt % Ag QDs/CTS-PEO photocatalyst. Generally, the Ag QDs immobilized onto CTS-PEO blend composites significantly enhance the SPR effect and the synergistic effect and reduce the band gap, leading to a high photocatalytic activity.
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Affiliation(s)
- Fares T. Alshorifi
- Department
of Chemistry, Faculty of Science, Sheba
Region University, Sanaa 15452, Yemen
- Department
of Chemistry, Faculty of Science, Sana’a
University, Sanaa 15452, Yemen
| | - Abdullah A. Alswat
- Chemistry
Department, Faculty of Education and Applied Science, Arhab Sana’a University, Sanaa 15452, Yemen
| | - Mohammed A. Mannaa
- Chemistry
Department, Faculty of Applied Science, Sa’ada University, Sanaa 15452, Yemen
| | - Mohammed T. Alotaibi
- Department
of Chemistry, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Salah M. El-Bahy
- Department
of Chemistry, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Reda S. Salama
- Basic
Science
Department, Faculty of Engineering, Delta
University for Science and Technology, Gamasa 11152, Egypt
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Pino P, Ronchetti S, Mollea C, Sangermano M, Onida B, Bosco F. Whey Proteins-Zinc Oxide Bionanocomposite as Antibacterial Films. Pharmaceutics 2021; 13:1426. [PMID: 34575502 PMCID: PMC8466345 DOI: 10.3390/pharmaceutics13091426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/26/2021] [Accepted: 09/02/2021] [Indexed: 11/23/2022] Open
Abstract
The use of toxic crosslinking agents and reagents in the fabrication of hydrogels is a frequent issue which is particularly concerning for biomedical or food packaging applications. In this study, novel antibacterial bionanocomposite films were obtained through a simple solvent casting technique without using any crosslinking substance. Films were made from a flexible and transparent whey protein matrix containing zinc oxide nanoparticles synthesised via a wet chemical precipitation route. The physicochemical and functional properties of the ZnO nanoparticles and of the composite films were characterised, and their antibacterial activity was tested against S. epidermidis and E. coli. The synthesised ZnO nanoparticles had an average size of about 30 nm and a specific surface area of 49.5 m2/g. The swelling ratio of the bionanocomposite films increased at basic pH, which is an appealing feature in relation to the absorption of chronic wound exudate. A n-ZnO concentration-dependent antibacterial effect was observed for composite films. In particular, marked antibacterial activity was observed against S. epidermidis. Overall, these findings suggest that this novel material can be a promising and sustainable alternative in the design of advanced solutions for wound dressing or food packaging.
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Affiliation(s)
| | | | | | | | - Barbara Onida
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (P.P.); (S.R.); (C.M.); (M.S.); (F.B.)
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Wasim M, Shi F, Liu J, Farooq A, Khan SU, Salam A, Hassan T, Zhao X. An overview of Zn/ZnO modified cellulosic nanocomposites and their potential applications. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02689-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Alsulami QA, Rajeh A, Mannaa MA, Albukhari SM, Baamer DF. Preparation of highly efficient sunlight driven photodegradation of some organic pollutants and H2 evolution over rGO/FeVO4 nanocomposites. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 2021; 46:27349-27363. [DOI: 10.1016/j.ijhydene.2021.05.211] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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The Influence of TiO2 on the Proton Conduction and Thermal Stability of CsH2PO4 Composite Electrolytes. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1016/j.sajce.2021.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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De Jesús-Téllez MA, De la Rosa-García S, Medrano-Galindo I, Rosales-Peñafiel I, Gómez-Cornelio S, Guerrero-Sanchez C, Schubert US, Quintana-Owen P. Antifungal properties of poly[2-(dimethylamino)ethyl methacrylate] (PDMAEMA) and quaternized derivatives. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104887] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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A. Mannaa M, Altass HM, Salama RS. MCM-41 grafted with citric acid: The role of carboxylic groups in enhancing the synthesis of xanthenes and removal of heavy metal ions. ENVIRONMENTAL NANOTECHNOLOGY, MONITORING & MANAGEMENT 2021; 15:100410. [DOI: 10.1016/j.enmm.2020.100410] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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Spirescu VA, Chircov C, Grumezescu AM, Vasile BȘ, Andronescu E. Inorganic Nanoparticles and Composite Films for Antimicrobial Therapies. Int J Mol Sci 2021; 22:4595. [PMID: 33925617 PMCID: PMC8123905 DOI: 10.3390/ijms22094595] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
The development of drug-resistant microorganisms has become a critical issue for modern medicine and drug discovery and development with severe socio-economic and ecological implications. Since standard and conventional treatment options are generally inefficient, leading to infection persistence and spreading, novel strategies are fundamentally necessary in order to avoid serious global health problems. In this regard, both metal and metal oxide nanoparticles (NPs) demonstrated increased effectiveness as nanobiocides due to intrinsic antimicrobial properties and as nanocarriers for antimicrobial drugs. Among them, gold, silver, copper, zinc oxide, titanium oxide, magnesium oxide, and iron oxide NPs are the most preferred, owing to their proven antimicrobial mechanisms and bio/cytocompatibility. Furthermore, inorganic NPs can be incorporated or attached to organic/inorganic films, thus broadening their application within implant or catheter coatings and wound dressings. In this context, this paper aims to provide an up-to-date overview of the most recent studies investigating inorganic NPs and their integration into composite films designed for antimicrobial therapies.
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Affiliation(s)
- Vera Alexandra Spirescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
| | - Cristina Chircov
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
| | - Bogdan Ștefan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
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Benavent C, Torrado-Salmerón C, Torrado-Santiago S. Development of a Solid Dispersion of Nystatin with Maltodextrin as a Carrier Agent: Improvements in Antifungal Efficacy against Candida spp. Biofilm Infections. Pharmaceuticals (Basel) 2021; 14:ph14050397. [PMID: 33922089 PMCID: PMC8143483 DOI: 10.3390/ph14050397] [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: 03/26/2021] [Revised: 04/13/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to improve the treatment of Candida albicans biofilms through the use of nystatin solid dispersions developed using maltodextrins as a hyperosmotic carrier. Characterization studies by differential scanning calorimetry, X-ray diffraction, dissolution studies, and particle size analysis were performed to evaluate changes in nystatin crystallinity. Antifungal activity and anti-biofilm efficacy were assessed by microbiological techniques. The results for nystatin solid dispersions showed that the enhancement of antifungal activity may be related to the high proportions of maltodextrins. Anti-biofilm assays showed a significant reduction (more than 80%) on biofilm formation with SD-N:MD [1:6] compared to the nystatin reference suspension. The elaboration process and physicochemical properties of SD-N:MD [1:6] could be a promising strategy for treatment of Candida biofilms.
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Affiliation(s)
- Carlos Benavent
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; (C.B.); (C.T.-S.)
| | - Carlos Torrado-Salmerón
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; (C.B.); (C.T.-S.)
| | - Santiago Torrado-Santiago
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; (C.B.); (C.T.-S.)
- Instituto Universitario de Farmacia Industrial, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
- Correspondence: ; Tel.: +34-091-394-1620
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50
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Bharati DC, Rawat P, Saroj AL. Structural, thermal, and ion dynamics studies of PVA-CS-NaI-based biopolymer electrolyte films. J Solid State Electrochem 2021. [DOI: 10.1007/s10008-021-04946-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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