1
|
Salazar Sandoval S, Díaz-Saldívar P, Araya I, Celis F, Cortés-Arriagada D, Riveros A, Rojas-Romo C, Jullian C, Silva N, Yutronic N, Kogan MJ, Jara P. Controlled Release of the Anticancer Drug Cyclophosphamide from a Superparamagnetic β-Cyclodextrin Nanosponge by Local Hyperthermia Generated by an Alternating Magnetic Field. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38640460 DOI: 10.1021/acsami.3c18038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/21/2024]
Abstract
A β-cyclodextrin (β-CD) nanosponge (NS) was synthesized using diphenyl carbonate (DPC) as a cross-linker to encapsulate the antitumor drug cyclophosphamide (CYC), thus obtaining the NSs-CYC system. The formulation was then associated with magnetite nanoparticles (MNPs) to develop the MNPs-NSs-CYC ternary system. The formulations mentioned above were characterized to confirm the deposition of the MNPs onto the organic matrix and that the superparamagnetic nature of the MNPs was preserved upon association. The association of the MNPs with the NSs-drug complex was confirmed through field emission scanning electron microscopy, energy dispersive spectroscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, dynamic light scattering, ζ-potential, atomic absorption spectroscopy, X-ray powder diffraction, selected area electron diffraction, and vibrating-sample magnetometer. The superparamagnetic properties of the ternary system allowed the release of CYC by utilizing magnetic hyperthermia upon the exposure of an alternating magnetic field (AMF). The drug release experiments were carried out at different frequencies and intensities of the magnetic field, complying with the "Atkinson-Brezovich criterion". The assays in AMF showed the feasibility of release by controlling hyperthermia of the drug, finding that the most efficient conditions were F = 280 kHz, H = 15 mT, and a concentration of MNPs of 5 mg/mL. CYC release was temperature-dependent, facilitated by local heat generation through magnetic hyperthermia. This phenomenon was confirmed by DFT calculations. Furthermore, the ternary systems outperformed the formulations without MNPs regarding the amount of released drug. The MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) assays demonstrated that including CYC within the magnetic NS cavities reduced the effects on mitochondrial activity compared to those observed with the free drug. Finally, the magnetic hyperthermia assays showed that the tertiary system allows the generation of apoptosis in HeLa cells, demonstrating that the MNPs embedded maintain their properties to generate hyperthermia. These results suggest that using NSs associated with MNPs could be a potential tool for a controlled drug delivery in tumor therapy since the materials are efficient and potentially nontoxic.
Collapse
Affiliation(s)
- Sebastián Salazar Sandoval
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile
- Departamento de Química Farmacológica y Toxicológica, Universidad de Chile, Sergio Livingstone 1007, Santiago 8380492, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santos Dumont 964, Independencia, Santiago 8380494, Chile
- Facultad de Diseño, Universidad del Desarrollo, Avenida Plaza 680, Las Condes, Santiago 7610658, Chile
| | - Patricia Díaz-Saldívar
- Laboratorio de Nanomedicina y Biosensores, Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile (USACH), Santiago 9170022, Chile
| | - Ingrid Araya
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomás, Santiago 8370003, Chile
| | - Freddy Celis
- Laboratorio de Procesos Fotónicos y Electroquímicos, Facultad de Ciencias Naturales y Exactas, Universidad de Playa Ancha, Valparaíso 2360002, Chile
| | - Diego Cortés-Arriagada
- Instituto Universitario de Investigación y Desarrollo Tecnológico, Universidad Tecnológica Metropolitana, Ignacio Valdivieso 2409, San Joaquín, Santiago 8940577, Chile
| | - Ana Riveros
- Departamento de Química Farmacológica y Toxicológica, Universidad de Chile, Sergio Livingstone 1007, Santiago 8380492, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santos Dumont 964, Independencia, Santiago 8380494, Chile
| | - Carlos Rojas-Romo
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile
| | - Carolina Jullian
- Departamento de Química Orgánica y Fisicoquímica, Universidad de Chile, Sergio Livingstone 1007, Santiago 8380492, Chile
| | - Nataly Silva
- Facultad de Diseño, Universidad del Desarrollo, Avenida Plaza 680, Las Condes, Santiago 7610658, Chile
| | - Nicolás Yutronic
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile
| | - Marcelo J Kogan
- Departamento de Química Farmacológica y Toxicológica, Universidad de Chile, Sergio Livingstone 1007, Santiago 8380492, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santos Dumont 964, Independencia, Santiago 8380494, Chile
| | - Paul Jara
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile
| |
Collapse
|
2
|
Huang X, Hu B, Zhang X, Fan P, Chen Z, Wang S. Recent advances in the application of clay-containing hydrogels for hemostasis and wound healing. Expert Opin Drug Deliv 2024; 21:457-477. [PMID: 38467560 DOI: 10.1080/17425247.2024.2329641] [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: 12/26/2023] [Accepted: 03/08/2024] [Indexed: 03/13/2024]
Abstract
INTRODUCTION Immediate control of bleeding and anti-infection play important roles in wound management. Multiple organ dysfunction syndrome and death may occur if persistent bleeding, hemodynamic instability, and hypoxemia are not addressed. The combination of clay and hydrogel provides a new outlet for wound hemostasis. In this review, the current research progress of hydrogel/clay composite hemostatic agents was reviewed. AREAS COVERED This paper summarizes the characteristics of several kinds of clay including kaolinite, montmorillonite, laponite, sepiolite, and palygorskite. The advantages and disadvantages of its application in hemostasis were also summarized. Future directions for the application of hydrogel/clay composite hemostatic agents are presented. EXPERT OPINION Clay can activate the endogenous hemostatic pathway by increasing blood cell concentration and promoting plasma absorption to accelerate the hemostasis. Clay is antimicrobial due to the slow release of metal ions and has a rich surface charge with a high affinity for proteins and cells to promote tissue repair. Hydrogels have some properties such as good biocompatibility, strong adhesion, high stretchability, and good self-healing. Despite promising advances, hydrogel/clay composite hemostasis remains a limitation. Therefore, more evidence is needed to further elucidate the risk factors and therapeutic effects of hydrogel/clay in hemostasis and wound healing.
Collapse
Affiliation(s)
- Xiaojuan Huang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Bin Hu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Xinyuan Zhang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Peng Fan
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Zheng Chen
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Shige Wang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, P. R. China
| |
Collapse
|
3
|
Mandour HSA, Rehab A, Elnahrawy M, Salahuddin N. The effect of preparation conditions of chalcone based benzoxazine/magnetite nanocomposites on magnetization properties. JOURNAL OF POLYMER RESEARCH 2023. [DOI: 10.1007/s10965-023-03515-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
Abstract
AbstractIn the current study, a hydroxylated chalcone (1-phenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one, 4-aminobenzoic acid, and paraformaldehyde were combined in ethanol/toluene solvent to form a new benzoxazine monomer. 1H NMR and FTIR analysis were used to confirm the produced monomer. Polybenzoxazine was prepared by the thermal curing of chalcone-based benzoxazine monomer and examined using FTIR and XRD. Magnetite nanoparticles were prepared using two different solvents and mixed with benzoxazine monomer at various ratios, followed by insitu thermal curing to prepare polybenzoxazine/magnetite nanocomposites. These nanocomposites were analyzed by FTIR, XRD, DSC and TGA were used to examine the thermal characteristics of the resulted materials. The surface morphology was investigated using SEM, and the magnetic property was measured by VSM. The resulting benzoxazine monomer has a low curing temperature (160 °C). The addition of nanoparticles of magnetite to benzoxazine improved its thermal stability. Also, the inclusion procedure of magnetite into benzoxazine has a significant impact on its saturation magnetization.
Collapse
|
4
|
Shi Y, Wang Z, Zhou X, Lin C, Chen C, Gao B, Xu W, Zheng X, Wu T, Wang H. Preparation of a 3D printable high-performance GelMA hydrogel loading with magnetic cobalt ferrite nanoparticles. Front Bioeng Biotechnol 2023; 11:1132192. [PMID: 36937750 PMCID: PMC10017762 DOI: 10.3389/fbioe.2023.1132192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 02/20/2023] [Indexed: 03/06/2023] Open
Abstract
Osteosarcoma remains a worldwide concern due to the poor effectiveness of available therapies in the clinic. Therefore, it is necessary to find a safe and effective therapy to realize the complete resection of osteosarcoma and reconstruction of the bone defect. Magnetic hyperthermia based on magnetic nanoparticles can kill tumor cells by raising the temperature without causing the side effects of conventional cancer treatments. This research aims to design a high-performance magnetic hydrogel composed of gelatin methacrylate and highly magnetic cobalt ferrite (CFO) nanoparticles for osteosarcoma treatment. Specifically, CFO is surface functionalized with methacrylate groups (MeCFO). The surface modified CFO has good biocompatibility and stable solution dispersion ability. Afterward, MeCFO nanoparticles are incorporated into GelMA to fabricate a three-dimensional (3D) printable MeCFO/GelMA magnetic hydrogel and then photocross-linked by UV radiation. MeCFO/GelMA hydrogel has high porosity and swelling ability, indicating that the hydrogel possesses more space and good hydrophily for cell survival. The rheological results showed that the hydrogel has shear thinning property, which is suitable as a bioprinting ink to produce desired structures by a 3D printer. Furthermore, 50 μg/mL MeCFO not only decreases the cell activity of osteosarcoma cells but also promotes the osteogenic differentiation of mBMSCs. The results of the CCK-8 assay and live/dead staining showed that MeCFO/GelMA hydrogel had good cytocompatibility. These results indicated that MeCFO/GelMA hydrogel with potential antitumor and bone reconstruction functions is a promising therapeutic strategy after osteosarcoma resection.
Collapse
Affiliation(s)
- Yiwan Shi
- Department of Bone and Joint Surgery and Sports Medicine Center, The First Affiliated Hospital, Jinan University, Guangzhou, China
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
| | - Zhaozhen Wang
- Department of Bone and Joint Surgery and Sports Medicine Center, The First Affiliated Hospital, Jinan University, Guangzhou, China
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
| | - Xinting Zhou
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
| | - Chengxiong Lin
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
| | - Chao Chen
- Department of Orthopedics, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Botao Gao
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
| | - Weikang Xu
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
| | - Xiaofei Zheng
- Department of Bone and Joint Surgery and Sports Medicine Center, The First Affiliated Hospital, Jinan University, Guangzhou, China
- *Correspondence: Xiaofei Zheng, ; Tingting Wu, ; Huajun Wang,
| | - Tingting Wu
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Institute of Biological And Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China
- *Correspondence: Xiaofei Zheng, ; Tingting Wu, ; Huajun Wang,
| | - Huajun Wang
- Department of Bone and Joint Surgery and Sports Medicine Center, The First Affiliated Hospital, Jinan University, Guangzhou, China
- The Guangzhou Key Laboratory of Basic and Translational Research on Chronic Diseases, The First Affiliated Hospital, Jinan University, Guangzhou, China
- *Correspondence: Xiaofei Zheng, ; Tingting Wu, ; Huajun Wang,
| |
Collapse
|
5
|
Cheng P, Sarakha M, Mousty C, Bonnet P, Mailhot G. Oxidation mechanism from an innovative ternary catalytic process based on intrasystem interaction: Decatungstate/Fe3O4/H2O2. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
|
6
|
Hataminia F, Majidi RF, Najafi Tireh Shabankareh A, Ghanbari H. Green synthesis of oxidized starch with a novel catalyst based on Fe 3O 4 nanoparticles and H 2O 2 reagent to form thermoplastic as a stable gel coating on the cardiovascular stents. Int J Biol Macromol 2022; 219:290-303. [PMID: 35878662 DOI: 10.1016/j.ijbiomac.2022.07.119] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/04/2022] [Accepted: 07/16/2022] [Indexed: 11/16/2022]
Abstract
Oxidation of starch is one of the most commonly used approaches to improve its properties in the thermoplastic (TP) reactions. Iron oxide nanoparticle (IONP) (8.2 ± 1.5 nm) was used as a novel catalyst for this reaction. The functional groups of the carbonyl (COH) and the carboxyl (COOH) were obtained about of 7-12.2 % and 0.03-0.3 %. TP reaction and then electrospray technique of oxidized starch were used for the thin-film coating. The swelling ratio of the gelled thermoplastic structure with IONP (198 ± 9 % at 180 min) was lower than the sample without NP (193 ± 8 % at 90 min). The results from fourier transform infrared spectroscopy (FTIR), hydrogen nuclear magnetic resonance (HNMR), X-ray diffraction (XRD), and transmission electron microscopy (TEM) reveal desirable chemical and crystalline changes. Scanning electron microscopy (SEM) analysis was used to determine the thickness of the thin film (1.4 ± 0.2 μm) and the size of the electrosprayed droplets (172 ± 45 nm). Cytotoxicity studies of HUVEC and L929 cell lines against the extracts have shown appropriate biocompatibility. The blood compatibility analysis demonstrated proper results for (nanocomposite) NC. The results show that NC coated on metal surfaces can be used in medical approaches with drug delivery capability.
Collapse
Affiliation(s)
- Fatemeh Hataminia
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Faridi Majidi
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Azar Najafi Tireh Shabankareh
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Ghanbari
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran; Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
| |
Collapse
|
7
|
Polymeric Composite of Magnetite Iron Oxide Nanoparticles and Their Application in Biomedicine: A Review. Polymers (Basel) 2022; 14:polym14040752. [PMID: 35215665 PMCID: PMC8878751 DOI: 10.3390/polym14040752] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 12/13/2022] Open
Abstract
A broad spectrum of nanomaterials has been investigated for multiple purposes in recent years. Some of these studied materials are magnetics nanoparticles (MNPs). Iron oxide nanoparticles (IONPs) and superparamagnetic iron oxide nanoparticles (SPIONs) are MNPs that have received extensive attention because of their physicochemical and magnetic properties and their ease of combination with organic or inorganic compounds. Furthermore, the arresting of these MNPs into a cross-linked matrix known as hydrogel has attracted significant interest in the biomedical field. Commonly, MNPs act as a reinforcing material for the polymer matrix. In the present review, several methods, such as co-precipitation, polyol, hydrothermal, microemulsion, and sol-gel methods, are reported to synthesize magnetite nanoparticles with controllable physical and chemical properties that suit the required application. Due to the potential of magnetite-based nanocomposites, specifically in hydrogels, processing methods, including physical blending, in situ precipitation, and grafting methods, are introduced. Moreover, the most common characterization techniques employed to study MNPs and magnetic gel are discussed.
Collapse
|
8
|
Șerban MV, Nazarie (Ignat) SR, Dinescu S, Radu IC, Zaharia C, Istrătoiu EA, Tănasă E, Herman H, Gharbia S, Baltă C, Hermenean A, Costache M. Silk ProteinsEnriched Nanocomposite Hydrogels Based on Modified MMT Clay and Poly(2-hydroxyethyl methacrylate-co-2-acrylamido-2-methylpropane Sulfonic Acid) Display Favorable Properties for Soft Tissue Engineering. NANOMATERIALS 2022; 12:nano12030503. [PMID: 35159848 PMCID: PMC8839072 DOI: 10.3390/nano12030503] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/25/2022] [Accepted: 01/27/2022] [Indexed: 02/01/2023]
Abstract
Due to their remarkable structures and properties, three-dimensional hydrogels and nanostructured clay particles have been extensively studied and have shown a high potential for tissue engineering as solutions for tissue defects. In this study, four types of 2-hydroxyethyl methacrylate/2-acrylamido-2-methylpropane sulfonic acid/montmorillonite (HEMA/AMPSA/MMT) hydrogels enriched with sericin, and fibroin were prepared and studied in the context of regenerative medicine for soft tissue regenerative medicine. Our aim was to obtain crosslinked hydrogel structures using modified montmorillonite clay as a crosslinking agent. In order to improve the in vitro and in vivo biocompatibility, silk proteins were further incorporated within the hydrogel matrix. Fourier transform infrared spectroscopy with attenuated total reflectance (FTIR-ATR) were performed to prove the chemical structures of the modified MMT and nanocomposite hydrogels. Swelling and rheological measurements showed the good elastic behavior of the hydrogels due to this unique network structure in which modified MMT acts as a crosslinking agent. Hydrogel biocompatibility was assessed by MTT, LDH and LIVE/DEAD assays. The hydrogels were evaluated for their potential to support adipogenesis in vitro and human stem cells isolated from adipose tissue were seeded in them and induced to differentiate. The progress was assessed by evaluation of expression of adipogenic markers (ppar-γ2, perilipin) evaluated by qPCR. The potential of the materials to support tissue regeneration was further evaluated on animal models in vivo. All materials proved to be biocompatible, with better results on the 95% HEMA 5% AMPSA enriched with sericin and fibroin material. This composition promoted a better development of adipogenesis compared to the other compositions studied, due the addition of sericin and fibroin. The results were confirmed in vivo as well, with a better progress of soft tissue regeneration after implantation in mice. Therefore, hydrogel 95% HEMA 5% AMPSA enriched with sericin as well as fibroin showed the best results that recommend it for future soft tissue engineering application.
Collapse
Affiliation(s)
- Mirela Violeta Șerban
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania; (M.V.Ș.); (S.-R.N.); (M.C.)
| | - Simona-Rebeca Nazarie (Ignat)
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania; (M.V.Ș.); (S.-R.N.); (M.C.)
| | - Sorina Dinescu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania; (M.V.Ș.); (S.-R.N.); (M.C.)
- The Research Institute of the University of Bucharest (ICUB), University of Bucharest, 050663 Bucharest, Romania
- Correspondence: (S.D.); (A.H.)
| | - Ionuț-Cristian Radu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.Z.); (E.-A.I.); (E.T.)
| | - Cătălin Zaharia
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.Z.); (E.-A.I.); (E.T.)
| | - Elena-Alexandra Istrătoiu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.Z.); (E.-A.I.); (E.T.)
| | - Eugenia Tănasă
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (I.-C.R.); (C.Z.); (E.-A.I.); (E.T.)
| | - Hildegard Herman
- “Aurel Ardelean” Institute of Life Sciences, ”Vasile Goldiș” Western University of Arad, 310025 Arad, Romania; (H.H.); (S.G.); (C.B.)
| | - Sami Gharbia
- “Aurel Ardelean” Institute of Life Sciences, ”Vasile Goldiș” Western University of Arad, 310025 Arad, Romania; (H.H.); (S.G.); (C.B.)
| | - Cornel Baltă
- “Aurel Ardelean” Institute of Life Sciences, ”Vasile Goldiș” Western University of Arad, 310025 Arad, Romania; (H.H.); (S.G.); (C.B.)
| | - Anca Hermenean
- “Aurel Ardelean” Institute of Life Sciences, ”Vasile Goldiș” Western University of Arad, 310025 Arad, Romania; (H.H.); (S.G.); (C.B.)
- Correspondence: (S.D.); (A.H.)
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania; (M.V.Ș.); (S.-R.N.); (M.C.)
- The Research Institute of the University of Bucharest (ICUB), University of Bucharest, 050663 Bucharest, Romania
| |
Collapse
|
9
|
Abou El Fadl FI, Mohamed MA, Mahmoud MM, Ibrahim SM. Studying the electrical conductivity and mechanical properties of irradiated natural rubber latex/magnetite nanocomposite. RADIOCHIM ACTA 2021. [DOI: 10.1515/ract-2021-1080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Nanocomposites have received voluminous interest due to the combination of unique properties of organic and inorganic component in one material. In this class, magnetic polymer nanocomposites are of particular interest because of the combination of excellent magnetic properties, stability, and good biocompatibility. This paper reports the preparation and characterization of nanocomposites films based on natural rubber in latex state (NRL) loaded with different concentrations of semiconducting magnetite nanoparticles (Fe3O4) (MNPs) (5, 10, 15, 20, and 30%). NRL (100%) and NRL/Fe3O4 nanocomposites were prepared by solution casting technique then, exposed to various irradiation doses (50, 70, 100 kGy).The nanocomposite’s morphological, and physical properties were investigated through various spectroscopic techniques such as Fourier-transformed infrared, X-ray diffraction, scanning electron, and transmission electron microscopies. The mechanical properties, including the tensile strength and elongation at break percentage (E
b
%) of the nanocomposites were also studied and compared with the 100% NRL films. Based on the results obtained from the mechanical study, it is found that the NRL/20% Fe3O4 nanocomposite film exhibited the highest tensile strength at 100 kGy. On the other hand, based on the conductivity study, it is found that, NRL/Fe3O4 nanocomposite with 10% magnetite exhibit the highest conductivity as the content of magnetite plays an important and effective role based on the high and homogeneous dispersity.
Collapse
Affiliation(s)
- Faten Ismail Abou El Fadl
- Department of Polymer Chemistry , National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA) , Cairo , Egypt
| | - Maysa A. Mohamed
- Department of Radiation Chemistry , National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA) , Cairo , Egypt
| | - Magida Mamdouh Mahmoud
- Department of Radiation Chemistry , National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA) , Cairo , Egypt
| | - Sayeda M. Ibrahim
- Department of Radiation Chemistry , National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA) , Cairo , Egypt
| |
Collapse
|
10
|
Xu C, Li B, Wang X. A Comparison Study on the Magneto-Responsive Properties and Swelling Behaviors of a Polyacrylamide-Based Hydrogel Incorporating with Magnetic Particles. Int J Mol Sci 2021; 22:ijms222212342. [PMID: 34830223 PMCID: PMC8622858 DOI: 10.3390/ijms222212342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 11/17/2022] Open
Abstract
This work investigates the mechanical properties, microstructures, and water-swelling behavior of a novel hydrogel filled with magnetic particles. The nanoparticles of magnetite (Fe3O4) and the micro-particles of carbonyl iron (CI) were selected and filled into a polyacrylamide (PAAM) hydrogel matrix to create two types of magnetic hydrogels. The isotropy and anisotropy of magnetic hydrogels are also presented in this study. The isotropic samples were cured without applying a magnetic field (MF), and the anisotropic samples were cured by applying an MF in the direction perpendicular to the thickness of the samples. The effects of the size, content, and inner structures of magnetic particles on the magneto-responsive and swelling properties of magnetic hydrogels were investigated. It was found that the magnetorheological (MR) effect of anisotropic samples was apparently higher than that of isotropic samples, and the hydrogels with CI exhibited a noticeable MR effect than those with Fe3O4. The storage modulus can be enhanced by increasing the filler content and size, forming an anisotropic structure, and applying an external MF. In addition, the magnetic hydrogels also have a swelling ability that can be tuned by varying the content and size of the particle fillers.
Collapse
Affiliation(s)
- Chanchan Xu
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230000, China; (C.X.); (B.L.)
| | - Bin Li
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230000, China; (C.X.); (B.L.)
- Department of Precision Machinery and Instrumentation, University of Science and Technology of China, Hefei 230000, China
| | - Xiaojie Wang
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230000, China; (C.X.); (B.L.)
- Correspondence: ; Tel.: +86-138-1503-6690
| |
Collapse
|
11
|
Agboola O, Fayomi OSI, Ayodeji A, Ayeni AO, Alagbe EE, Sanni SE, Okoro EE, Moropeng L, Sadiku R, Kupolati KW, Oni BA. A Review on Polymer Nanocomposites and Their Effective Applications in Membranes and Adsorbents for Water Treatment and Gas Separation. MEMBRANES 2021; 11:139. [PMID: 33669424 PMCID: PMC7920412 DOI: 10.3390/membranes11020139] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/22/2020] [Accepted: 01/04/2021] [Indexed: 11/16/2022]
Abstract
Globally, environmental challenges have been recognised as a matter of concern. Among these challenges are the reduced availability and quality of drinking water, and greenhouse gases that give rise to change in climate by entrapping heat, which result in respirational illness from smog and air pollution. Globally, the rate of demand for the use of freshwater has outgrown the rate of population increase; as the rapid growth in town and cities place a huge pressure on neighbouring water resources. Besides, the rapid growth in anthropogenic activities, such as the generation of energy and its conveyance, release carbon dioxide and other greenhouse gases, warming the planet. Polymer nanocomposite has played a significant role in finding solutions to current environmental problems. It has found interest due to its high potential for the reduction of gas emission, and elimination of pollutants, heavy metals, dyes, and oil in wastewater. The revolution of integrating developed novel nanomaterials such as nanoparticles, carbon nanotubes, nanofibers and activated carbon, in polymers, have instigated revitalizing and favourable inventive nanotechnologies for the treatment of wastewater and gas separation. This review discusses the effective employment of polymer nanocomposites for environmental utilizations. Polymer nanocomposite membranes for wastewater treatment and gas separation were reviewed together with their mechanisms. The use of polymer nanocomposites as an adsorbent for toxic metals ions removal and an adsorbent for dye removal were also discussed, together with the mechanism of the adsorption process. Patents in the utilization of innovative polymeric nanocomposite membranes for environmental utilizations were discussed.
Collapse
Affiliation(s)
- Oluranti Agboola
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | | | - Ayoola Ayodeji
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Augustine Omoniyi Ayeni
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Edith E. Alagbe
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Samuel E. Sanni
- Department of Chemical Engineering, Covenant University, Ota PMB 1023, Nigeria; (A.A.); (A.O.A.); (E.E.A.); (S.E.S.)
| | - Emmanuel E. Okoro
- Department of Petroleum Engineering, Covenant University, Ota PMB 1023, Nigeria;
| | - Lucey Moropeng
- Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; (L.M.); (R.S.)
| | - Rotimi Sadiku
- Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; (L.M.); (R.S.)
| | - Kehinde Williams Kupolati
- Department of Civil Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa;
| | - Babalola Aisosa Oni
- Department of Chemical Engineering and Technology, China University of Petroleum, Beijing 102249, China;
| |
Collapse
|
12
|
Barczak M, Borowski P, Gila-Vilchez C, Alaminos M, González-Caballero F, López-López MT. Revealing importance of particles' surface functionalization on the properties of magnetic alginate hydrogels. Carbohydr Polym 2020; 247:116747. [PMID: 32829864 DOI: 10.1016/j.carbpol.2020.116747] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 12/19/2022]
Abstract
Iron/silica core-shell microparticles (IMPs) were functionalized by different functional groups including amine, glycidoxy, phenyl, and thiocyanate. Many of the IMPs modifications are reported for the first time. The resulting surface chemistry turned out to affect the properties of magnetic alginate hydrogels fabricated from sodium alginate and dispersed IMPs. Differences in magnetorheological properties of the obtained magnetic hydrogels can be at least partially attributed to the interactions between alginate and surface functionalities of IMPs. Density Functional Theory (DFT) calculations were carried out to get detailed insight into those interactions in order to link them with the observed macroscopic properties of the obtained hydrogels. For example, amine groups on the IMPs surface resulted in well-formed hydrogels while the presence of thiocyanate or phenyl groups - in poorly formed ones. This observation can be used for tuning the properties of various carbohydrate-based hydrogels.
Collapse
Affiliation(s)
- Mariusz Barczak
- Department of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20031, Lublin, Poland.
| | - Piotr Borowski
- Department of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20031, Lublin, Poland
| | - Cristina Gila-Vilchez
- Department of Applied Physics, Faculty of Sciences, University of Granada, 18071, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Miguel Alaminos
- Tissue Engineering Group, Department of Histology, University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Fernando González-Caballero
- Department of Applied Physics, Faculty of Sciences, University of Granada, 18071, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Modesto T López-López
- Department of Applied Physics, Faculty of Sciences, University of Granada, 18071, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.
| |
Collapse
|
13
|
Yadav S, Asthana A, Chakraborty R, Jain B, Singh AK, Carabineiro SAC, Susan MABH. Cationic Dye Removal Using Novel Magnetic/Activated Charcoal/β-Cyclodextrin/Alginate Polymer Nanocomposite. NANOMATERIALS 2020; 10:nano10010170. [PMID: 31963657 PMCID: PMC7023446 DOI: 10.3390/nano10010170] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/22/2019] [Accepted: 01/13/2020] [Indexed: 12/07/2022]
Abstract
New magnetic iron oxide (Fe3O4)/activated charcoal (AC)/β-cyclodextrin (CD)/sodium alginate (Alg) polymer nanocomposite materials were prepared by direct mixing of the polymer matrix with the nanofillers. The obtained materials were utilized as nano-adsorbents for the elimination of methylene blue (MB), a hazardous water-soluble cationic dye, from aqueous solutions, and showed excellent regeneration capacity. The formation of the nanocomposites was followed by high-resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectrometry (EDX), Fourier-transform infrared spectroscopy (FTIR), vibrating sample magnetometer (VSM), X-ray diffraction (XRD) and adsorption of N2 at −196 °C. The rate of adsorption was investigated varying several factors, namely contact time, pH, amount of adsorbent and MB concentration on the adsorption process. Studies dealing with equilibrium and kinetics were carried out in batch conditions. The obtained results indicated that the removal rate of MB was 99.53% in 90 min. Langmuir’s isotherm fitted better to the equilibrium data of MB. Fe3O4/AC/CD/Alg polymer beads shows amazing adsorption capacities in the elimination of cationic dyes (2.079 mg/g for polymer gel beads and 10.63 mg g−1 for dry powder beads), in comparison to other adsorbent materials. The obtained adsorbent is spherical with hydrophobic cross-linked surface properties that enable an easy recovery without any significant weight loss of in the adsorbent used.
Collapse
Affiliation(s)
- Sushma Yadav
- Department of Chemistry, Govt. V.Y.T. PG Autonomous College, Durg 491001, India; (S.Y.); (A.A.); (R.C.); (B.J.)
| | - Anupama Asthana
- Department of Chemistry, Govt. V.Y.T. PG Autonomous College, Durg 491001, India; (S.Y.); (A.A.); (R.C.); (B.J.)
| | - Rupa Chakraborty
- Department of Chemistry, Govt. V.Y.T. PG Autonomous College, Durg 491001, India; (S.Y.); (A.A.); (R.C.); (B.J.)
| | - Bhawana Jain
- Department of Chemistry, Govt. V.Y.T. PG Autonomous College, Durg 491001, India; (S.Y.); (A.A.); (R.C.); (B.J.)
| | - Ajaya Kumar Singh
- Department of Chemistry, Govt. V.Y.T. PG Autonomous College, Durg 491001, India; (S.Y.); (A.A.); (R.C.); (B.J.)
- Correspondence: ; Tel.: +91-9406207572; Fax: +91-788-2211688
| | - Sónia A. C. Carabineiro
- Centro de QuímicaEstrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. RoviscoPais 1, 1049-001 Lisboa, Portugal;
| | | |
Collapse
|
14
|
Controlled Synthesis of Triangular Silver Nanoplates by Gelatin–Chitosan Mixture and the Influence of Their Shape on Antibacterial Activity. Processes (Basel) 2019. [DOI: 10.3390/pr7120873] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Triangular silver nanoplates were prepared by using the seeding growth approach with the presence of citrate-stabilized silver seeds and a mixture of gelatin–chitosan as the protecting agent. By understanding the critical role of reaction components, the synthesis process was improved to prepare the triangular nanoplates with high yield and efficiency. Different morphologies of silver nanostructures, such as triangular nanoplates, hexagonal nanoprisms, or nanodisks, can be obtained by changing experimental parameters, including precursor AgNO3 volume, gelatin–chitosan concentration ratios, and the pH conditions. The edge lengths of triangular silver nanoplates were successfully controlled, primarily through the addition of silver nitrate under appropriate condition. As-prepared triangular silver nanoplates were characterized by transmission electron microscopy (TEM), dynamic light scattering (DLS), UV-Vis, Fourier transform infrared spectroscopy (FT-IR), and X-Ray diffraction (XRD). Silver nanoplates had an average edge length of 65–80 nm depending on experimental conditions and exhibited a surface plasma resonance absorbance peak at 340, 450, and 700 nm. The specific interactions of gelatin and chitosan with triangular AgNPs were demonstrated by FT-IR. Based on the characterization, the growth mechanism of triangular silver nanoplates was theoretically proposed regarding the twinned crystal of the initial nanoparticle seeds and the crystal face-blocking role of the gelatin–chitosan mixture. Moreover, the antibacterial activity of triangular silver nanoplates was considerably improved in comparison with that of spherical shape when tested against Gram-positive and Gram-negative bacteria species, with 6.0 ug/mL of triangular silver nanoplates as the MBC (Minimum bactericidal concentration) for Escherichia coli and Vibrio cholera, and 8.0 ug/mL as the MBC for Staphylococcus aureus and Pseudomonas aeruginosa. The MIC (Minimum inhibitory concentration) of triangular Ag nanoplates was 4.0 ug/mL for E. coli, V. cholera, S. aureus, and P. aeruginosa.
Collapse
|