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Sharma P, Singh J, Singh B. Evaluation of physiochemical and biomedical properties of psyllium-poly(vinyl phosphonic acid-co-acrylamide)-cl-N,N-methylene bis acrylamide based hydrogels. Int J Biol Macromol 2024; 260:129546. [PMID: 38246461 DOI: 10.1016/j.ijbiomac.2024.129546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 01/07/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
Present investigation deals with the synthesis of psyllium based copolymeric hydrogels and evaluation of their physiochemical and biomedical properties. These copolymers have been prepared by grafting of poly(vinyl phosphonic acid) (poly (VPA)) and poly(acrylamide) (poly(AAm)) onto psyllium in the presence of crosslinker N,N-methylene bis acrylamide (NNMBA). These copolymers [psyllium-poly(VPA-co-AAm)-cl-NNMBA] were characterized by field emission-scanning electron micrographs (FE-SEM), electron dispersion X-ray analysis (EDAX), Atomic force microscopy (AFM), Fourier transform infrared spectroscopy (FTIR), 13C-nuclear magnetic resonance (NMR), X-ray diffraction (XRD), and thermogravimetric analysis (TGA)- differential thermal analysis (DTG). FESEM, AFM and XRD demonstrated heterogeneous morphology with a rough surface and an amorphous nature. Diffusion of ornidazole occurred with a non-Fickian diffusion mechanism, and the release profile data was fitted in the Korsemeyer-Peppas kinetic model. Biochemical analysis of hydrogel properties confirmed the blood-compatible nature during blood-polymer interactions and revealed haemolysis value 3.95 ± 0.05 %. The hydrogels exhibited mucoadhesive character during biomembrane-polymer interactions and demonstrated detachment force = 99.0 ± 0.016 mN. During 2,2-diphenyl-1-picrylhydrazyl reagent (DPPH) assay, free radical scavenging was observed 37.83 ± 3.64 % which illustrated antioxidant properties of hydrogels. Physiological and biomedical properties revealed that these hydrogels could be explored for drug delivery uses.
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Affiliation(s)
- Prerna Sharma
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - Jasvir Singh
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - Baljit Singh
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India.
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2
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Marin MM, Gifu IC, Pircalabioru GG, Albu Kaya M, Constantinescu RR, Alexa RL, Trica B, Alexandrescu E, Nistor CL, Petcu C, Ianchis R. Microbial Polysaccharide-Based Formulation with Silica Nanoparticles; A New Hydrogel Nanocomposite for 3D Printing. Gels 2023; 9:gels9050425. [PMID: 37233016 DOI: 10.3390/gels9050425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
Natural polysaccharides are highly attractive biopolymers recommended for medical applications due to their low cytotoxicity and hydrophilicity. Polysaccharides and their derivatives are also suitable for additive manufacturing, a process in which various customized geometries of 3D structures/scaffolds can be achieved. Polysaccharide-based hydrogel materials are widely used in 3D hydrogel printing of tissue substitutes. In this context, our goal was to obtain printable hydrogel nanocomposites by adding silica nanoparticles to a microbial polysaccharide's polymer network. Several amounts of silica nanoparticles were added to the biopolymer, and their effects on the morpho-structural characteristics of the resulting nanocomposite hydrogel inks and subsequent 3D printed constructs were studied. FTIR, TGA, and microscopy analysis were used to investigate the resulting crosslinked structures. Assessment of the swelling characteristics and mechanical stability of the nanocomposite materials in a wet state was also conducted. The salecan-based hydrogels displayed excellent biocompatibility and could be employed for biomedical purposes, according to the results of the MTT, LDH, and Live/Dead tests. The innovative, crosslinked, nanocomposite materials are recommended for use in regenerative medicine.
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Affiliation(s)
- Maria Minodora Marin
- Advanced Polymer Materials Group, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 1-7 Polizu Street, 01106 Bucharest, Romania
- Department of Collagen, National Research and Development Institute for Textile and Leather, Division Leather and Footwear Research Institute, 93 Ion Minulescu Str., 031215 Bucharest, Romania
| | - Ioana Catalina Gifu
- National Research and Development Institute for Chemistry and Petrochemistry ICECHIM-Spl. Independentei 202, 6th District, 0600021 Bucharest, Romania
| | - Gratiela Gradisteanu Pircalabioru
- eBio-Hub Research Center, University Politehnica of Bucharest-CAMPUS, 6 Iuliu Maniu Boulevard, 061344 Bucharest, Romania
- Research Institute of University of Bucharest (ICUB), University of Bucharest, 030018 Bucharest, Romania
- Academy of Romanian Scientists, 010719 Bucharest, Romania
| | - Madalina Albu Kaya
- Department of Collagen, National Research and Development Institute for Textile and Leather, Division Leather and Footwear Research Institute, 93 Ion Minulescu Str., 031215 Bucharest, Romania
| | - Rodica Roxana Constantinescu
- Department of Collagen, National Research and Development Institute for Textile and Leather, Division Leather and Footwear Research Institute, 93 Ion Minulescu Str., 031215 Bucharest, Romania
| | - Rebeca Leu Alexa
- Department of Collagen, National Research and Development Institute for Textile and Leather, Division Leather and Footwear Research Institute, 93 Ion Minulescu Str., 031215 Bucharest, Romania
| | - Bogdan Trica
- National Research and Development Institute for Chemistry and Petrochemistry ICECHIM-Spl. Independentei 202, 6th District, 0600021 Bucharest, Romania
| | - Elvira Alexandrescu
- National Research and Development Institute for Chemistry and Petrochemistry ICECHIM-Spl. Independentei 202, 6th District, 0600021 Bucharest, Romania
| | - Cristina Lavinia Nistor
- National Research and Development Institute for Chemistry and Petrochemistry ICECHIM-Spl. Independentei 202, 6th District, 0600021 Bucharest, Romania
| | - Cristian Petcu
- National Research and Development Institute for Chemistry and Petrochemistry ICECHIM-Spl. Independentei 202, 6th District, 0600021 Bucharest, Romania
| | - Raluca Ianchis
- National Research and Development Institute for Chemistry and Petrochemistry ICECHIM-Spl. Independentei 202, 6th District, 0600021 Bucharest, Romania
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Hu X, Yan L, Xu M, Tang L. Photo-degradable salecan/xanthan gum ionic gel induced by iron (III) coordination for organic dye decontamination. Int J Biol Macromol 2023; 238:124132. [PMID: 36958439 DOI: 10.1016/j.ijbiomac.2023.124132] [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: 12/21/2022] [Revised: 03/03/2023] [Accepted: 03/18/2023] [Indexed: 03/25/2023]
Abstract
As dye adsorbents with great potential, polysaccharide-based hydrogels are significantly hampered in practical application owing to intricate preparation methods, low absorption, and bad degradability. Salecan is a water-soluble extracellular polysaccharide with excellent physicochemical and biological properties. Here, salecan and xanthan gum were first used as a dual-precursors system, their mixed solution was crosslinked by Fe3+ to assemble a photo-degradable ionic gel for malachite green (MG) adsorption. Photo-degradation was done using visible light under very mild conditions, which gave rise to gel network dissolution and homogeneous solution formation. Extensive dynamic coordinate interactions between Fe3+ and polysaccharides maintained gel matrix stability and were systematically investigated. The control of water uptake, micro-structure, and rheology can be facilely implemented by tuning salecan/xanthan gum ratios. Furthermore, various parameters such as polysaccharide ratios, pHs, MG concentrations, and contact time affecting adsorption were optimized using batch experiments. Adsorption process accurately adhered to pseudo-second-order kinetic and Langmuir isotherm model, with the maximum adsorption capacity of 463.0 mg/g. Such mechanism implied monolayer chemisorptive characteristics. The gel exhibited satisfactory reusability and was recycled five times without apparent decrease in adsorption capacity. From these results, the photo-degradable Fe3+-induced salecan/xanthan gum ionic gel is an alternative and sustainable absorbent for MG removal.
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Affiliation(s)
- Xinyu Hu
- Institute of Chemical Industry of Forest Products, CAF, Key Lab. of Biomass Energy and Material, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China; Research Institute of Forestry New Technology, CAF, Beijing 100091, China.
| | - Linlin Yan
- Institute of Chemical Industry of Forest Products, CAF, Key Lab. of Biomass Energy and Material, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China; Research Institute of Forestry New Technology, CAF, Beijing 100091, China
| | - Man Xu
- Institute of Chemical Industry of Forest Products, CAF, Key Lab. of Biomass Energy and Material, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
| | - Lihua Tang
- Institute of Chemical Industry of Forest Products, CAF, Key Lab. of Biomass Energy and Material, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
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Novel Green Crosslinked Salecan Hydrogels and Preliminary Investigation of Their Use in 3D Printing. Pharmaceutics 2023; 15:pharmaceutics15020373. [PMID: 36839693 PMCID: PMC9963019 DOI: 10.3390/pharmaceutics15020373] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Salecan, a kind of polysaccharide, is produced by the Agrobacterium ZX09 salt tolerant strain. In this study, green crosslinked citric acid-salecan hydrogels are explored as novel materials with a high potential for use in regenerative medicine. The impact of salecan and citric acid on the final crosslinked hydrogels was intensively studied and estimated in terms of the whole physicochemical properties and antimicrobial activity. FTIR spectra demonstrated the successful green crosslinking of salecan through its esterification with citric acid where the formation of strong covalent bonds collaboratively helped to stabilize the entire hydrogel systems in a wet state. Hydrogels presented a microporous morphology, good swelling capacity, pH responsiveness, great mechanical stability under stress conditions and good antibacterial activity, all related to the concentration of the biopolymers used in the synthesis step. Additionally, salecan hydrogels were preliminary investigated as printing inks. Thanks to their excellent rheological behavior, we optimized the citrate-salecan hydrogel inks and printing parameters to render 3D constructs with great printing fidelity and integrity. The novel synthesized salecan green crosslinked hydrogels enriches the family of salecan-derived hydrogels. Moreover, this work not only expands the application of salecan hydrogels in various fields, but also provides a new potential option of designing salecan-based 3D printed scaffolds for customized regenerative medicine.
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Mahdi Eshaghi M, Pourmadadi M, Rahdar A, Díez-Pascual AM. Novel Carboxymethyl Cellulose-Based Hydrogel with Core-Shell Fe 3O 4@SiO 2 Nanoparticles for Quercetin Delivery. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15248711. [PMID: 36556516 PMCID: PMC9784486 DOI: 10.3390/ma15248711] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/25/2022] [Accepted: 12/06/2022] [Indexed: 05/23/2023]
Abstract
A nanocomposite composed of carboxymethyl cellulose (CMC) and core-shell nanoparticles of Fe3O4@SiO2 was prepared as a pH-responsive nanocarrier for quercetin (QC) delivery. The nanoparticles were further entrapped in a water-in-oil-in-water emulsion system for a sustained release profile. The CMC/Fe3O4@SiO2/QC nanoparticles were characterized using dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), a field emission scanning electron microscope (FE-SEM), and a vibrating sample magnetometer (VSM) to obtain insights into their size, stability, functional groups/chemical bonds, crystalline structure, morphology, and magnetic properties, respectively. The entrapment and loading efficiency were slightly improved after the incorporation of Fe3O4@SiO2 NPs within the hydrogel network. The dialysis method was applied for drug release studies. It was found that the amount of QC released increased with the decrease in pH from 7.4 to 5.4, while the sustained-release pattern was preserved. The A549 cell line was chosen to assess the anticancer activity of the CMC/Fe3O4@SiO2/QC nanoemulsion and its components for lung cancer treatment via an MTT assay. The L929 cell line was used in the MTT assay to determine the possible side effects of the nanoemulsion. Moreover, a flow cytometry test was performed to measure the level of apoptosis and necrosis. Based on the obtained results, CMC/Fe3O4@SiO2 can be regarded as a novel promising system for cancer therapy.
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Affiliation(s)
- Mohammad Mahdi Eshaghi
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 1417935840, Iran
| | - Mehrab Pourmadadi
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 1417935840, Iran
| | - Abbas Rahdar
- Department of Physics, Faculty of Sciences, University of Zabol, Zabol 538-98615, Iran
| | - Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
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6
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Magnetic Iron Nanoparticles: Synthesis, Surface Enhancements, and Biological Challenges. Processes (Basel) 2022. [DOI: 10.3390/pr10112282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
This review focuses on the role of magnetic nanoparticles (MNPs), their physicochemical properties, their potential applications, and their association with the consequent toxicological effects in complex biologic systems. These MNPs have generated an accelerated development and research movement in the last two decades. They are solving a large portion of problems in several industries, including cosmetics, pharmaceuticals, diagnostics, water remediation, photoelectronics, and information storage, to name a few. As a result, more MNPs are put into contact with biological organisms, including humans, via interacting with their cellular structures. This situation will require a deeper understanding of these particles’ full impact in interacting with complex biological systems, and even though extensive studies have been carried out on different biological systems discussing toxicology aspects of MNP systems used in biomedical applications, they give mixed and inconclusive results. Chemical agencies, such as the Registration, Evaluation, Authorization, and Restriction of Chemical substances (REACH) legislation for registration, evaluation, and authorization of substances and materials from the European Chemical Agency (ECHA), have held meetings to discuss the issue. However, nanomaterials (NMs) are being categorized by composition alone, ignoring the physicochemical properties and possible risks that their size, stability, crystallinity, and morphology could bring to health. Although several initiatives are being discussed around the world for the correct management and disposal of these materials, thanks to the extensive work of researchers everywhere addressing the issue of related biological impacts and concerns, and a new nanoethics and nanosafety branch to help clarify and bring together information about the impact of nanoparticles, more questions than answers have arisen regarding the behavior of MNPs with a wide range of effects in the same tissue. The generation of a consolidative framework of these biological behaviors is necessary to allow future applications to be manageable.
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Fragal EH, Fragal VH, Silva EP, Paulino AT, da Silva Filho EC, Mauricio MR, Silva R, Rubira AF, Muniz EC. Magnetic-responsive polysaccharide hydrogels as smart biomaterials: Synthesis, properties, and biomedical applications. Carbohydr Polym 2022; 292:119665. [PMID: 35725166 DOI: 10.1016/j.carbpol.2022.119665] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 05/16/2022] [Accepted: 05/24/2022] [Indexed: 11/28/2022]
Abstract
This review reports recent advances in polysaccharide-based magnetic hydrogels as smart platforms for different biomedical applications. These hydrogels have proved to be excellent, viable, eco-friendly alternative materials for the biomedical field due to their biocompatibility, biodegradability, and possibility of controlling delivery processes via modulation of the remote magnetic field. We first present their main synthesis methods and compare their advantages and disadvantages. Next, the synergic properties of hydrogels prepared with polysaccharides and magnetic nanoparticles (MNPs) are discussed. Finally, we describe the main contributions of polysaccharide-based magnetic hydrogels in the targeted drug delivery, tissue regeneration, and hyperthermia therapy fields. Overall, this review aims to motivate the synthesis of novel composite biomaterials, based on the combination of magnetic nanoparticles and natural polysaccharides, to overcome challenges that still exist in the treatment of several diseases.
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Affiliation(s)
- Elizângela H Fragal
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil
| | - Vanessa H Fragal
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil.
| | - Elisangela P Silva
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil
| | - Alexandre T Paulino
- Santa Catarina State University, Department of Chemistry, Rua Paulo Malschitzki, 200, Zona Industrial Norte, 89.219-710 Joinville, SC, Brazil
| | - Edson C da Silva Filho
- Federal University of Piauí, Department of Chemistry, Campus Petrônio Portella, Bairro Ininga, 64049-550 Teresina, PI, Brazil
| | - Marcos R Mauricio
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil
| | - Rafael Silva
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil
| | - Adley F Rubira
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil
| | - Edvani C Muniz
- State University of Maringá, Department of Chemistry, Av. Colombo, 5790, Jardim Universitário, 87020-900 Maringá, PR, Brazil; Federal University of Piauí, Department of Chemistry, Campus Petrônio Portella, Bairro Ininga, 64049-550 Teresina, PI, Brazil; Federal Technological University of Paraná, Estrada dos Pioneiros, 3131, Jardim Morumbi, 86036-370 Londrina, PR, Brazil.
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Singh B, Devi K, Sharma D, Sharma P. Synthesis and characterization of modified bioactive arabinoxylan-psyllium: Evaluation of molecular interactions, physiochemical and biomedical properties. Int J Biol Macromol 2022; 221:1053-1064. [PMID: 36108744 DOI: 10.1016/j.ijbiomac.2022.09.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/21/2022] [Accepted: 09/07/2022] [Indexed: 11/17/2022]
Abstract
Keeping in view the future prospectus of carbohydrate polymers, present research report is an elaboration, exploration and execution of the research expectancy in area of these polymers by researchers like John F. Kennedy. Herein, molecular interactions and physiochemical properties of modified bioactive arabinoxylan-psyllium have been evaluated for drug delivery applications. Arabinoxylan-psyllium was modified with sulphated and amide copolymers and co-polymers were characterized by SEMs, AFM, FTIR, XRD, solid state 13C NMR, TGA-DSC and water absorption studies. The 13C-NMR and FTIR confirmed grafted copolymers. The polymer-blood interactions revealed non-thrombogenic nature with thrombose percentage 63.17 ± 5.61 % and polymer-mucous membrane interactions showed detachment force 0.237 ± 0.078Nwith bio-membrane in mucoadhesion test. The pH responsible gels exhibited 44.49 ± 3.12 % inhibitions of free radicals in DPPH assay. The polymer-drug interactions demonstrated sustained diffusion of methotrexate with non-Fickian diffusion and Korsmeyer-Peppas kinetic model. Overall, co-polymeric network structure was found useful in colon specific drug delivery.
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Affiliation(s)
- Baljit Singh
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India.
| | - Kavita Devi
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - Diwanshi Sharma
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - Prerna Sharma
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
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YILDIRIM A, İSPİRLİ DOĞAÇ Y. An application of CoFe2O4/alginate magnetic beads: drug delivery system of 5-fluorouracil. INTERNATIONAL JOURNAL OF SECONDARY METABOLITE 2022. [DOI: 10.21448/ijsm.1052662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Magnetic hyperthermia therapy is expected to play an important role in the treatment of more and more cancers. The synergistic effects of using together hyperthermia and cancer drugs have been shown by literature studies to be more effective than either hyperthermia treatment alone or chemotherapy alone. In addition, magnetic materials that can be used as a contrast agent enable magnetic resonance imaging of the tumor, which is also useful in seeing the treatment progress. This study, which was designed for this purpose, occurred in three parts: In the first part, magnetic CoFe2O4/alginate composite beads were prepared and characterized with thermogravimetric analysis (TGA) and scanning electron microscope (SEM). In the second part, the swelling behaviour of magnetic composite beads was investigated at pH 1.2, pH 7.4 and pH 6.8. It was seen that at pH 7.4 and pH 6.8, that is, near neutral pH, CFA swelled by 81.54% and 82.69%, respectively. In the third part, 5-Fluorouracil was encapsulated at the different ratios in CoFe2O4/alginate composite beads, and release experiments were performed at pH 1.2, pH 7.4 and pH 6.8. 5-FU release was calculated with Korsmeyer-Peppas, Higuchi, first-order, and zero-order models. It was seen that the drug release systems prepared were suitable for all kinetic models. Magnetic CoFe2O4/alginate composite bead, which is the drug carrier, was determined to be suitable for controlled release for 5-Fluorouracil.
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Zhang Q, Li C, Du X, Zhong H, He Z, Hong P, Li Y, Jing Z. High strength, tough and self-healing chitosan-based nanocomposite hydrogels based on the synergistic effects of hydrogen bond and coordination bond. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03163-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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11
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Yıldırım A, Doğaç Yİ. MnFe 2O 4/alginate magnetic beads as platform for cancer drug delivery: an in vitro study of 5-Fluorouracil release. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2022. [DOI: 10.1080/10601325.2022.2098142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Ayşegül Yıldırım
- Graduate School of Natural and Applied Sciences, Department of Molecular Biology and Genetics, Muğla Sıtkı Koçman University, Muğla, Turkey
| | - Yasemin İspirli Doğaç
- Muğla Vocational School, Chemistry and Chemical Processing Technology Department, Muğla Sıtkı Koçman University, Muğla, Turkey
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da Silva ACC, de Almeida RR, Vidal CS, Neto JFC, da Cruz Sousa AC, Martínez FNA, Pinheiro DP, Sales SLA, Pessoa C, Denardin JC, de Morais SM, Ricardo NMPS. Sulfated xyloglucan-based magnetic nanocomposite for preliminary evaluation of theranostic potential. Int J Biol Macromol 2022; 216:520-527. [PMID: 35803410 DOI: 10.1016/j.ijbiomac.2022.06.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Aiêrta Cristina Carrá da Silva
- Laboratory of Polymers and Materials Innovation, Department of Organic and Inorganic Chemistry, Sciences Center, Federal University of Ceará, Campus of Pici, Zip Code 60440-760 Fortaleza, CE, Brazil
| | - Raimundo Rafael de Almeida
- Federal Institute of Education, Science and Technology of Ceará, Campus Camocim, Zip Code 62400-000 Camocim, CE, Brazil
| | - Cristine Soares Vidal
- Laboratory of Polymers and Materials Innovation, Department of Organic and Inorganic Chemistry, Sciences Center, Federal University of Ceará, Campus of Pici, Zip Code 60440-760 Fortaleza, CE, Brazil
| | - João Francisco Câmara Neto
- Laboratory of Polymers and Materials Innovation, Department of Organic and Inorganic Chemistry, Sciences Center, Federal University of Ceará, Campus of Pici, Zip Code 60440-760 Fortaleza, CE, Brazil
| | - Alexandre Carreira da Cruz Sousa
- Laboratory of Polymers and Materials Innovation, Department of Organic and Inorganic Chemistry, Sciences Center, Federal University of Ceará, Campus of Pici, Zip Code 60440-760 Fortaleza, CE, Brazil
| | | | - Daniel Pascoalino Pinheiro
- Laboratory of Experimental Oncology, Center for Research and Drug Development, Federal University of Ceará, Zip Code 60430-275 Fortaleza, CE, Brazil
| | - Sarah Leyenne Alves Sales
- Laboratory of Experimental Oncology, Center for Research and Drug Development, Federal University of Ceará, Zip Code 60430-275 Fortaleza, CE, Brazil
| | - Cláudia Pessoa
- Laboratory of Experimental Oncology, Center for Research and Drug Development, Federal University of Ceará, Zip Code 60430-275 Fortaleza, CE, Brazil
| | - Juliano Casagrande Denardin
- University of Santiago of Chile and Cedenna, USACH-CEDENNA, Department of Physics, Zip Code 9170124 Santiago, Chile
| | - Selene Maia de Morais
- Laboratory of Natural Products, Science and Technology Center, Ceará State University, Campus of Itaperi, Zip Code 60714-903 Fortaleza, CE, Brazil
| | - Nágila Maria Pontes Silva Ricardo
- Laboratory of Polymers and Materials Innovation, Department of Organic and Inorganic Chemistry, Sciences Center, Federal University of Ceará, Campus of Pici, Zip Code 60440-760 Fortaleza, CE, Brazil.
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Wu L, Shi M, Guo R, Dong W. Development of a novel pullulan/polydopamine composite hydrogel adsorbent for dye removal. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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14
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Fabrication of a magnetic nanocarrier for doxorubicin delivery based on hyperbranched polyglycerol and carboxymethyl cellulose: An investigation on the effect of borax cross-linker on pH-sensitivity. Int J Biol Macromol 2022; 203:80-92. [PMID: 35092736 DOI: 10.1016/j.ijbiomac.2022.01.150] [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: 08/24/2021] [Revised: 01/20/2022] [Accepted: 01/24/2022] [Indexed: 11/22/2022]
Abstract
A new core-shell pH-responsive nanocarrier was prepared based on magnetic nanoparticle (MNP) core. Magnetic nanoparticles were first modified with hyperbranched polyglycerol as the first shell. Then the magnetic core was decorated with doxorubicin anticancer drug (DOX) and covered with PEGylated carboxymethylcellulose as the second shell. Borax was used to partially cross-link organic shells in order to evaluate drug loading content and pH-sensitivity. The structure of nanocarrier, organic shell loadings, magnetic responsibility, morphology, size, dispersibility, and drug loading content were investigated by IR, NMR, TG, VSM, XRD, DLS, HR-TEM and UV-Vis analyses. In vitro release investigations demonstrated that the use of borax as cross-linker between organic shells make the nanocarrier highly sensitive to pH so that more that 70% of DOX is released in acidic pH. A reverse pH-sensitivity was observed for the nanocarrier without borax cross-linker. The MTT assay determined that the nanocarrier exhibited excellent biocompatibility toward normal cells (HEK-293) and high toxicity against cancerous cells (HeLa). The nanocarrier also showed high hemocompatibility. Cellular uptake revealed high ability of nanocarrier toward HeLa cells comparable with free DOX. The results also suggested that low concentration of nanocarrier has a great potential for use as contrast agent in magnetic resonance imaging (MRI).
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Singh B, Singh J, Dhiman A, Mohan M. Synthesis and characterization of arabinoxylan-bis[2-(methacryloyloxy)ethyl] phosphate crosslinked copolymer network by high energy gamma radiation for use in controlled drug delivery applications. Int J Biol Macromol 2022; 200:206-217. [PMID: 34995659 DOI: 10.1016/j.ijbiomac.2021.12.151] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/18/2021] [Accepted: 12/23/2021] [Indexed: 01/31/2023]
Abstract
Keeping in view the therapeutic important dietary fiber psyllium, herein this research report its potential has been explored for the formation of sterile hydrogel by high energy radiation induced copolymerization of arabinoxylan-poly bis[2-(methacryloyloxy)ethyl] phosphate (BMEP) for use as drug delivery carrier. The polymeric network structure was characterized by 13C NMR, FTIR, TGA/DTG and DSC, XRD and AFM techniques. Release profile of a drug cefuroxime and best fit kinetic model were determined. The blood -polymer interaction, mucosal-polymer adhesion, antioxidant and mechanical properties were also evaluated. The radiation dose influenced the crosslink density and the mesh size of the hydrogel network. Release profile of a drug cefuroxime followed non-Fickian diffusion and best fitted to first order kinetic model. The grafted product was sterile, porous, antioxidant and mucoadhesive in nature and could be explored for controlled and sustained GIT drug delivery applications.
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Affiliation(s)
- Baljit Singh
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India.
| | - Jasvir Singh
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - A Dhiman
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - Man Mohan
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
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16
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Yildirim A, Ispirli Doğaç Y. Drug delivery systems of CoFe 2O 4/chitosan and MnFe 2O 4/chitosan magnetic composites. Prep Biochem Biotechnol 2022; 52:979-989. [PMID: 35001843 DOI: 10.1080/10826068.2021.2021234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The study consists of three parts. In the first part, synthesis and characterization of core-shell magnetic composite beads based on chitosan and containing two different magnetic nanoparticles were carried out. The beads were formed from CoFe2O4/chitosan and MnFe2O4/chitosan. TGA and SEM were used for the characterization of core-shell materials. In the second part, swelling experiments of magnetic beads were performed. In the third part, 5-Fluorouracil was encapsulated at different rates in two different magnetic materials, release experiments were carried out at pH 7.4, pH 6.8, and pH 1.2, and the model of drug release was determined. Korsmeyer-Peppas, Higuchi, first-order, and zero-order models were used for mathematical modeling. Both prepared systems were found to be suitable for controlled release for 5-Fluorouracil.
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Affiliation(s)
- Ayşegül Yildirim
- Graduate School of Natural and Applied Sciences, Department of Molecular Biology and Genetics, Muğla Sıtkı Koçman University, Muğla, Turkey
| | - Yasemin Ispirli Doğaç
- Graduate School of Natural and Applied Sciences, Department of Molecular Biology and Genetics, Muğla Sıtkı Koçman University, Muğla, Turkey.,Muğla Vocational School, Chemistry and Chemical Processing Technology Department, Muğla Sıtkı Koçman University, Muğla, Turkey
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17
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Hu X, Wang Y, Zhang L, Xu M. Simple ultrasonic-assisted approach to prepare polysaccharide-based aerogel for cell research and histocompatibility study. Int J Biol Macromol 2021; 188:411-420. [PMID: 34375664 DOI: 10.1016/j.ijbiomac.2021.08.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/23/2021] [Accepted: 08/04/2021] [Indexed: 11/19/2022]
Abstract
Salecan, a water-soluble microbial polysaccharide with attractive biocompatible characteristics, is very suitable for aerogel fabrication. However, the practical application of salecan-based aerogels for cell culture was limited by complicated preparation method, lack of cell anchorage signals, and the ability to modulate this properly. Here, a smart aerogel was designed by ultrasonic-assisted self-assembly of salecan and cationic starch (CAS) without any organic and toxic crosslinkers. The ultrasound waves generated a marked impact on self-assemble process by means of ultrasonic cavitation. Aerogel network was produced by strong electrostatic attractions between the polysaccharides. Especially, salecan/CAS ratio can be precisely modulated to tailor the hydrophilicity, mechanical stiffness, and morphologic property. The specific surface area of the aerogels gradually increased with the increase in salecan/CAS ratio. These aerogels were non-cytotoxic, and the incorporation of salecan into them promoted cell-matrix interactions by directionally supporting cell adhesion and proliferation. Most strikingly, in vivo experiment revealed that the histological features in the main organs of the mice were similar to those observed in the PBS-treated control group, and no sign of the histopathological abnormality or tissue destruction was observed, indicating the excellent histocompatibility of the aerogels. This study offered a new and powerful avenue to fabricate functional biomaterial.
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Affiliation(s)
- Xinyu Hu
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China; Research Institute of Forestry New Technology, Chinese Academy of Forestry, Beijing 100091, China; Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province, Nanjing 210042, China; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Beijing 100714, China; National Engineering Lab. for Biomass Chemical Utilization, Nanjing 210042, China.
| | - Yongmei Wang
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
| | - Liangliang Zhang
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
| | - Man Xu
- Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
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18
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Malektaj H, Imani R, Siadati MH. Study of injectable PNIPAAm hydrogels containing niosomal angiogenetic drug delivery system for potential cardiac tissue regeneration. Biomed Mater 2021; 16. [PMID: 33482656 DOI: 10.1088/1748-605x/abdef8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 01/22/2021] [Indexed: 02/07/2023]
Abstract
Nowadays, heart disease, especially myocardial infarction, is one of the most astoundingly unfortunate causes of mortality in the world. That is why special attention has been paid toward tissue engineering techniques for curing and regeneration of heart tissue. In this study, poly(N-isopropyl acrylamide) (PNIPAAm), a temperature-sensitive injectable hydrogel, was selected as a minimally invasive scaffold to accommodate, carry, and release of niosomal rosuvastatin to the inflicted area for inducing angiogenesis and thus accelerating the healing process. The characteristics of PNIPAAm were studied by scanning electron microscopy, rheology tests, and Fourier transform infrared spectroscopy. The properties of the niosomal rosuvastatin release system, including particle size distribution, zeta potential, encapsulation efficiency (EE), and drug release, were also studied. The results showed that niosomes (358 nm) had a drug EE of 78% and a loading capacity of 53%. The drug was sustainably released from the system up to about 54% in 5 d. Cellular studies showed no toxicity to the endothelial cell lines, and the niosomal drug with a concentration of 7.5 nM enhanced cell proliferation, and cell migration increased from 72% to 90% compared to the control sample. Therefore, the controlled-release of niosomal rosuvastatin enhanced angiogenesis in a dose-dependent manner. Taken together, these advantages suggest that PNIPAAm-based niosomal hydrogel provides a promising candidate as an angiogentic injectable scaffold for potential cardiac tissue regeneration.
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Affiliation(s)
- Haniyeh Malektaj
- Materials Science and Engineering Faculty, K. N. Toosi University of Technology, Tehran, Iran
| | - Rana Imani
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - M Hossein Siadati
- Materials Science and Engineering Faculty, K. N. Toosi University of Technology, Tehran, Iran
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19
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Highly efficient removal of antibiotic from biomedical wastewater using Fenton-like catalyst magnetic pullulan hydrogels. Carbohydr Polym 2021; 262:117951. [DOI: 10.1016/j.carbpol.2021.117951] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 02/08/2021] [Accepted: 03/11/2021] [Indexed: 12/13/2022]
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20
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Gang F, Jiang L, Xiao Y, Zhang J, Sun X. Multi‐functional magnetic hydrogel: Design strategies and applications. NANO SELECT 2021. [DOI: 10.1002/nano.202100139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Fangli Gang
- Department of Biology Xinzhou Teachers University Xinzhou Shanxi 034000 China
| | - Le Jiang
- State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing 100084 China
- Key Laboratory of Advanced Materials of Ministry of Education of China School of Materials Science and Engineering Tsinghua University Beijing 100084 China
| | - Yi Xiao
- Department of Biology Xinzhou Teachers University Xinzhou Shanxi 034000 China
| | - Jiwen Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 China
| | - Xiaodan Sun
- State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing 100084 China
- Key Laboratory of Advanced Materials of Ministry of Education of China School of Materials Science and Engineering Tsinghua University Beijing 100084 China
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Adsorption of Methylene Blue Dye using Fe3O4 Magnetized Natural Zeolite Adsorbent. JURNAL KIMIA SAINS DAN APLIKASI 2021. [DOI: 10.14710/jksa.24.2.51-57] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Preparation and characterization of Fe3O4 magnetized natural zeolite adsorbent for adsorption of methylene blue dye have been carried out. Natural zeolite/Fe3O4 adsorbent preparation was carried out using coprecipitation of Fe2+ and Fe3+ ions (1: 2 mol ratio) on the natural zeolite surface. Characterization was carried out using X-Ray Diffraction (XRD), Fourier Transform Infra-Red (FTIR), and Scanning Electron Microscopy (SEM) to determine the effect of Fe3O4 on the natural zeolite surface. UV-Vis spectroscopy was used to determine the concentration of methylene blue after the adsorption process. The characterization results showed that Fe3O4 was successfully embedded in the natural zeolite without damaging the natural zeolite's crystallinity. Natural zeolite/Fe3O4 adsorbent showed easy separation from water medium after the adsorption process. The optimum conditions for adsorption were achieved at the contact time of 60 minutes, and the initial concentration of methylene blue was 30 ppm with an adsorbent mass of 25 mg. Adsorption kinetics followed pseudo-second-order reaction kinetics, and adsorption isotherm followed Langmuir isotherm with an adsorption capacity of 32.258 mg/g.
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22
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Sanaei Moghaddam Sabzevar Z, Mehrshad M, Naimipour M. A biological magnetic nano-hydrogel based on basil seed mucilage: study of swelling ratio and drug delivery. IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-021-00905-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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23
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Pooresmaeil M, Namazi H, Salehi R. Simple method for fabrication of metal-organic framework within a carboxymethylcellulose/graphene quantum dots matrix as a carrier for anticancer drug. Int J Biol Macromol 2020; 164:2301-2311. [DOI: 10.1016/j.ijbiomac.2020.08.121] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/09/2020] [Accepted: 08/13/2020] [Indexed: 01/21/2023]
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24
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Hu X, Yan L, Wang Y, Xu M. Smart and functional polyelectrolyte complex hydrogel composed of salecan and chitosan lactate as superadsorbent for decontamination of nickel ions. Int J Biol Macromol 2020; 165:1852-1861. [DOI: 10.1016/j.ijbiomac.2020.10.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/25/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022]
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25
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Florian PE, Icriverzi M, Ninciuleanu CM, Alexandrescu E, Trica B, Preda S, Ianchis R, Roseanu A. Salecan-Clay Based Polymer Nanocomposites for Chemotherapeutic Drug Delivery Systems; Characterization and In Vitro Biocompatibility Studies. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5389. [PMID: 33260907 PMCID: PMC7730270 DOI: 10.3390/ma13235389] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/17/2022]
Abstract
Salecan is a microbial polysaccharide suitable to obtain hydrogel for biomedical applications due to the excellent hydrophilicity and biocompatibility properties. In this work, Salecan of different concentrations was introduced into polymethacrylic acid (PMAA) in the presence of clay to form novel semi synthetic hydrogel nanocomposites systems and loaded afterwards with doxorubicin (DOX). The physical-chemical characteristics of the nanocomposites systems and their effect on the viability, and morphology of MDBK (Madin-Darby bovine kidney), HT-29 human colorectal adenocarcinoma and Colo 205 human colon adenocarcinoma cell lines were investigated. DOX release from the nanocomposite systems, cell up-take and subsequent effect on cell proliferation was also analyzed. It was found that Salecan concentration determined the swelling behavior, structural parameters and morphological features of the nanocomposite systems. The hydrogen bonds strongly influenced the formation of PMAA-Salecan-clay systems, each component bringing its own contribution, thus demonstrating the achievement of an advanced crosslinked network and a more compacted hydrogel nanocomposite morphology. All the synthesized nanocomposites had negligible toxicity to normal MDBK cells and chemoresistent HT-29 cell line, whereas in the case of Colo 205 cells a decrease by 40% of the cell viability was obtained for the sample containing the highest amount of Salecan. This effect was correlated with the lowest pore size distribution leading to highest available specific surface area and entrapped amount of DOX which was further released from the nanocomposite sample. Corroborating all the data it can be suggested that the synthesized nanocomposites with Salecan and clay could be good candidates as vehicles for chemotherapeutic agents.
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Affiliation(s)
- Paula Ecaterina Florian
- Department of Ligand-Receptor Interaction, Institute of Biochemistry of the Romanian Academy, Splaiul Independentei 296, 060031 Bucharest, Romania; (P.E.F.); (M.I.)
| | - Madalina Icriverzi
- Department of Ligand-Receptor Interaction, Institute of Biochemistry of the Romanian Academy, Splaiul Independentei 296, 060031 Bucharest, Romania; (P.E.F.); (M.I.)
| | - Claudia Mihaela Ninciuleanu
- National R&D Institute for Chemistry and Petrochemistry ICECHIM—Bucharest, Splaiul Independentei 202, 6th District, P.O. Box 35/174, 0600021 Bucharest, Romania; (C.M.N.); (E.A.); (B.T.)
| | - Elvira Alexandrescu
- National R&D Institute for Chemistry and Petrochemistry ICECHIM—Bucharest, Splaiul Independentei 202, 6th District, P.O. Box 35/174, 0600021 Bucharest, Romania; (C.M.N.); (E.A.); (B.T.)
| | - Bogdan Trica
- National R&D Institute for Chemistry and Petrochemistry ICECHIM—Bucharest, Splaiul Independentei 202, 6th District, P.O. Box 35/174, 0600021 Bucharest, Romania; (C.M.N.); (E.A.); (B.T.)
| | - Silviu Preda
- Institute of Physical Chemistry “Ilie Murgulescu”, Romanian Academy, Spl. Independentei 202, 6th District, P.O. Box 194, 060021 Bucharest, Romania;
| | - Raluca Ianchis
- National R&D Institute for Chemistry and Petrochemistry ICECHIM—Bucharest, Splaiul Independentei 202, 6th District, P.O. Box 35/174, 0600021 Bucharest, Romania; (C.M.N.); (E.A.); (B.T.)
| | - Anca Roseanu
- Department of Ligand-Receptor Interaction, Institute of Biochemistry of the Romanian Academy, Splaiul Independentei 296, 060031 Bucharest, Romania; (P.E.F.); (M.I.)
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Xyloglucan-based hybrid nanocomposite with potential for biomedical applications. Int J Biol Macromol 2020; 168:722-732. [PMID: 33232700 DOI: 10.1016/j.ijbiomac.2020.11.128] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/19/2020] [Accepted: 11/18/2020] [Indexed: 11/23/2022]
Abstract
Natural polymer-based hybrid nanocomposites have been proposed as one of the most promising tools for biomedical applications, including disease treatment and diagnosis procedures. Xyloglucan nanocapsules can simultaneously load magnetic iron oxide nanoparticles and bioactive for a specific tissue, reducing the processes of degradation and metabolic inactivation of molecules with biological activity. In this work, magnetic nanocapsules of xyloglucan loaded with hydrophilic sulfated quercetin (MNXQ_SO3) were successfully synthesized by inverse miniemulsion process through interfacial polymerization. The polymeric shell formation of nanocapsules was evidenced by Fourier Transform Infrared spectroscopy and Transmission Electron Microscopy. The ferrofluid (Fe3O4@PAAS) incorporated into the xyloglucan nanocapsules was synthesized by hydrothermal method, using polyacrylic acid sodium salt as coating. Dynamic Light Scattering technique confirmed the nanomeric dimensions (202.3 nm) and the good colloidal stability (-40.2 mV) of MNXQ_SO3. The saturation magnetization analyses pointed out the superparamagnetic behavior of Fe3O4@PAAS (48 emu/g) and MNXQ_SO3 (4.2 emu/g). MNXQ_SO3 was able to modify the release profile of sulfated quercetin (67%) when compared to the free bioactive (100%), exhibiting a release profile compatible with the zero-order kinetic model. The results showed that the development of MNXQ_SO3 presents a new perspective for biomedical applications, including studies of targeted drug delivery.
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Wang Y, Shi Z, Sun Y, Wu X, Li S, Dong S, Lan T. Preparation of amphiphilic magnetic polyvinyl alcohol targeted drug carrier and drug delivery research. Des Monomers Polym 2020; 23:197-206. [PMID: 33177950 PMCID: PMC7594732 DOI: 10.1080/15685551.2020.1837442] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Currently, magnetic applications have great potential for development in the field of drug carriers. In this paper, Fe3O4-PVA@SH, an amphiphilic magnetically targeting drug carrier, was prepared by using Fe3O4 and PVA with thiohydrazide-iminopropyltriethoxysilane(TIPTS). The loading capacity of Fe3O4-PVA@SH on Aspirin and the drug release kinetics of loaded drugs were studied. The obtained Fe3O4-PVA@SH exhibits excellent drug release properties in simulating the human body fluid environment (pH 7.2). Since magnetically targeting drug carriers are readily available and have excellent biocompatibility and the characteristics of drug release. This work’s development, preparing amphiphilic magnetically targeting drug carriers in drug delivery and other fields, has great significance.
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Affiliation(s)
- Yazhen Wang
- College of Materials Science and Engineering, Qiqihar University, Qiqihar, China.,Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China.,College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, China
| | - Zhen Shi
- College of Materials Science and Engineering, Qiqihar University, Qiqihar, China.,Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China
| | - Yu Sun
- Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China
| | - Xueying Wu
- Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China
| | - Shuang Li
- Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China
| | - Shaobo Dong
- Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China
| | - Tianyu Lan
- Heilongjiang Provincial Key Laboratory of Polymeric Composite Materials, Qiqihar, China
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Hu X, Yan L, Wang Y, Xu M. Microwave-assisted synthesis of nutgall tannic acid–based salecan polysaccharide hydrogel for tunable release of β-lactoglobulin. Int J Biol Macromol 2020; 161:1431-1439. [DOI: 10.1016/j.ijbiomac.2020.07.250] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/16/2020] [Accepted: 07/21/2020] [Indexed: 11/27/2022]
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29
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A novel pH-sensitive and magnetic starch-based nanocomposite hydrogel as a controlled drug delivery system for wound healing. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109255] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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30
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Singh R, Pal D, Chattopadhyay S. Target-Specific Superparamagnetic Hydrogel with Excellent pH Sensitivity and Reversibility: A Promising Platform for Biomedical Applications. ACS OMEGA 2020; 5:21768-21780. [PMID: 32905505 PMCID: PMC7469382 DOI: 10.1021/acsomega.0c02817] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 08/11/2020] [Indexed: 06/11/2023]
Abstract
Superparamagnetism has been widely used for many biomedical applications, such as early detection of inflammatory cancer and diabetes, magnetic resonance imaging (MRI), hyperthermia, etc., whereas incorporation of superparamagnetism in stimulus-responsive hydrogels has now gained substantial interest and attention for application in these fields. Recently, pH-responsive superparamagnetic hydrogels showing the potential use in disease diagnosis, biosensors, polymeric drug carriers, and implantable devices, have been developed based on the fact that pH is an important environmental factor in the body and some disease states manifest themselves by a change in the pH value. However, improvement in pH sensitivity of magnetic hydrogels is a dire need for their practical applications. In this study, we report the distinctly high pH sensitivity of new synthesized dual-responsive magnetic hydrogel nanocomposites, which was accomplished by copolymerization (free-radical polymerization) of two pH-sensitive monomers, acrylic acid (AA) and vinylsulfonic acid (VSA) with an optimum ratio, in the presence of presynthesized superparamagnetic iron oxide nanoparticles (Fe3O4(OH) x ). The monomers contain pH-sensitive functional groups (COO- and SO3 - for AA and VSA, respectively), and they have also been widely used as biomaterials because of the good biocompatibility. The pH sensitivity of the superparamagnetic hydrogel, poly(acrylic acid-co-vinylsulfonic acid), PAAVSA/Fe3O4, was investigated by swelling studies at different pH values from pH 7 to 1.4. Distinct pH reversibility of the system was also demonstrated through swelling/deswelling analysis. Thermal stability, chemical configuration, magnetic response, and structural properties of the system have been explored by suitable characterization techniques. Furthermore, the study reveals a pH-responsive significant change in the overall morphology and packing fraction of iron oxide nanoparticles in PAAVSA/Fe3O4 via energy-dispersive X-ray (EDX) elemental mapping with the field emission scanning electron microscopy (FESEM) study (for freeze-dried PAAVSA/Fe3O4, swelled at different pH values), implying a drastic change in susceptibility and induced saturation magnetization of the system. These important features could be easily utilized for the purpose of diagnosis using magnetic probe and/or impedance analysis techniques.
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Affiliation(s)
- Rinki Singh
- Discipline
of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore 453552, India
| | - Dipayan Pal
- Discipline
of Physics, Indian Institute of Technology
Indore, Indore 453552, India
| | - Sudeshna Chattopadhyay
- Discipline
of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore 453552, India
- Discipline
of Physics, Indian Institute of Technology
Indore, Indore 453552, India
- Discipline
of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore, Indore 453552, India
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31
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Yang S, Liang L, Liu L, Yin Y, Liu Y, Lei G, Zhou K, Huang Q, Wu H. Using MgO nanoparticles as a potential platform to precisely load and steadily release Ag ions for enhanced osteogenesis and bacterial killing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111399. [PMID: 33321576 DOI: 10.1016/j.msec.2020.111399] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 07/31/2020] [Accepted: 08/19/2020] [Indexed: 12/14/2022]
Abstract
Bio-functional fillers including bio-ceramic, degradable metallic and composite particles are commonly introduced into bone tissue engineering (BTE) scaffolds to endow the materials with specific biological functions for enhanced bone defect therapy. In this work, MgO nanoparticles (NPs) were employed as a potential platform for precise loading and sustained release of Ag+. The results showed that MgO NPs possessed strong adsorption capacity (almost 100%) towards Ag+ in AgNO3 solutions with different concentrations (0.1, 1 and 10 mM). After the adsorption of Ag+ in AgNO3 solutions, cube-shaped MgO NPs transformed to lamella-structured nano-composites (NCs) composed of Mg(OH)2 and Ag2O, which were referred as MgO-xAg (x = 0.1, 1 or 10) NCs depending on the employed concentration of AgNO3 solution. After being suspended in distilled water, as-prepared positively charged NCs underwent a fast degradation process during the initial 4 days. From day 4 and 14, steady release behaviors of Mg2+ and/or Ag+ from the NCs were noticed. With the lowest loading amount of Ag+, MgO-0.1Ag NCs did not exhibit significant modulatory effect on SaOS-2 cell response. On the contrary, MgO-10Ag NCs loaded with the highest amount of Ag+ showed significant cyto-toxicity towards SaOS-2 cells. With appropriate amount of Ag+ loading, MgO-1Ag NCs showed significantly stimulatory effects on SaOS-2 cell proliferation and differentiation. This is evidenced by the enhanced cell viability, alkaline phosphatase (ALP) activity and collagen (COL) production as well as the gene expressions of ALP, COL and osteoprotegerin (OPG) in MgO-1Ag group. Moreover, MgO-1Ag exhibited strong bactericidal capacity against both Escherichia coli and Staphylococcus aureus. Together, the results indicate that MgO could be employed as a potential platform for precise loading and sustained release of Ag+. MgO-1Ag NCs are promising to be used as bio-functional fillers in BTE scaffolds for simultaneously promoted osteogenesis and bacterial killing.
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Affiliation(s)
- Si Yang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China
| | - Luxin Liang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China
| | - Ling Liu
- Hepatobiliary and Pancreatic Surgery Department, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Yong Yin
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China; School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Yong Liu
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Kun Zhou
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Qianli Huang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China.
| | - Hong Wu
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, PR China.
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Liao J, Huang H. Review on Magnetic Natural Polymer Constructed Hydrogels as Vehicles for Drug Delivery. Biomacromolecules 2020; 21:2574-2594. [DOI: 10.1021/acs.biomac.0c00566] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jing Liao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Huihua Huang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
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Novel strategy for encapsulation and targeted delivery of poorly water‐soluble active substances. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25448] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Hosseini SH, Zohreh N, Karimi N, Gaeini N, Alipour S, Seidi F, Gholipour N. Magnetic nanoparticles double wrapped into cross-linked salep/PEGylated carboxymethyl cellulose; a biocompatible nanocarrier for pH-triggered release of doxorubicin. Int J Biol Macromol 2020; 158:994-1006. [PMID: 32434748 DOI: 10.1016/j.ijbiomac.2020.05.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 05/03/2020] [Accepted: 05/05/2020] [Indexed: 12/17/2022]
Abstract
A magnetic nanocarrier was synthesized in which Fe3O4 nanoparticles were encapsulated into double layers of polysaccharide shells. The first shell, which was composed of cross-linked salep polysaccharide, contained multiple nitrogen atoms in its structure and provided numerous sites for multiple functionalization. A fluorescence dye and doxorubicin, as widely used chemotherapy agent, were easily attached to the first shell and then a second shell of PEGylated carboxymethyl cellulose enveloped the drug loaded carrier to enhance its biocompatibility and regulates the drug release behavior. The results of drug loading and release behavior showed that the resulting nanocarrier can carry large amounts of drug molecules and a remarkable pH-sensitive release was observed in vitro. The hemolysis and coagulation assays proved the biocompatibility of nanocarrier toward red blood cells and the MTT experiments confirmed that the drug loaded nanocarrier is highly toxic for MCF-7 cancer cells while the unloaded nanocarrier was almost nontoxic. Further flow cytometry experiments and confocal microscopy demonstrated that the double layered magnetic nanocarrier can penetrate into the cells and efficiently release the drug molecules into the cell nucleus. Moreover, the results of MRI experiments performed on the nanocarrier showed that it can be serve as a negative MRI contrast agent.
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Affiliation(s)
- Seyed Hassan Hosseini
- Department of Chemical Engineering, University of Science and Technology of Mazandaran, Behshahr, Iran.
| | - Nasrin Zohreh
- Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran.
| | - Nafiseh Karimi
- Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran
| | - Nahid Gaeini
- Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran
| | - Sakineh Alipour
- Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran
| | - Farzad Seidi
- Provincial Key Lab of Pulp and Paper Science and Technology and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Nazila Gholipour
- Chemical Injuries Research Center, Faculty of Pharmacy, System Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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35
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Forouzandehdel S, Forouzandehdel S, Rezghi Rami M. Synthesis of a novel magnetic starch-alginic acid-based biomaterial for drug delivery. Carbohydr Res 2020; 487:107889. [DOI: 10.1016/j.carres.2019.107889] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 11/30/2019] [Accepted: 12/04/2019] [Indexed: 02/07/2023]
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36
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Zhang Z, Wang S, Waterhouse GIN, Zhang Q, Li L. Poly(
N
‐isopropylacrylamide)/mesoporous silica thermosensitive composite hydrogels for drug loading and release. J Appl Polym Sci 2019. [DOI: 10.1002/app.48391] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Zhaofu Zhang
- College of Chemistry and Material ScienceShandong Agricultural University Tai'an 271018 China
| | - Shuo Wang
- College of Chemistry and Material ScienceShandong Agricultural University Tai'an 271018 China
| | | | - Qihai Zhang
- Taian City Central Hospital Tai'an 271000 China
| | - Lifang Li
- College of Chemistry and Material ScienceShandong Agricultural University Tai'an 271018 China
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37
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Hu X, Wang Y, Xu M. Study of the cell responses in tantalum carbide nanoparticles-enriched polysaccharide composite hydrogel. Int J Biol Macromol 2019; 135:501-511. [DOI: 10.1016/j.ijbiomac.2019.05.191] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 05/19/2019] [Accepted: 05/26/2019] [Indexed: 12/15/2022]
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38
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Hu X, Wang Y, Zhang L, Xu M. Design of a novel polysaccharide-based cryogel using triallyl cyanurate as crosslinker for cell adhesion and proliferation. Int J Biol Macromol 2019; 126:221-228. [DOI: 10.1016/j.ijbiomac.2018.12.226] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 12/19/2018] [Accepted: 12/22/2018] [Indexed: 11/26/2022]
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Hu X, Wang Y, Xu M, Zhang L, Zhang J, Dong W. Development of photocrosslinked salecan composite hydrogel embedding titanium carbide nanoparticles as cell scaffold. Int J Biol Macromol 2019; 123:549-557. [DOI: 10.1016/j.ijbiomac.2018.11.125] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/31/2018] [Accepted: 11/13/2018] [Indexed: 12/24/2022]
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40
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di Luca M, Curcio M, Valli E, Cirillo G, Voli F, Butini ME, Farfalla A, Pantuso E, Leggio A, Nicoletta FP, Tavanti A, Iemma F, Vittorio O. Combining antioxidant hydrogels with self-assembled microparticles for multifunctional wound dressings. J Mater Chem B 2019. [DOI: 10.1039/c9tb00871c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A multi-functional composite to be employed as a dressing material was prepared by combining hydrogel and microparticle systems.
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41
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Wang H, Yong X, Huang H, Yu H, Wu Y, Deng J. Chiral, thermal-responsive hydrogels containing helical hydrophilic polyacetylene: preparation and enantio-differentiating release ability. Polym Chem 2019. [DOI: 10.1039/c8py01759j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Chiral hydrogels constructed from helical hydrophilic polyacetylene demonstrate chirality, thermo-responsivity, biocompatibility and enantio-selective release ability towards chiral drugs.
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Affiliation(s)
- Huilei Wang
- State Key Laboratory of Organic Inorganic Composites
- College of Materials Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Xueyong Yong
- State Key Laboratory of Organic Inorganic Composites
- College of Materials Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Huajun Huang
- State Key Laboratory of Chemical Resource Engineering
- College of Materials Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Huli Yu
- State Key Laboratory of Chemical Resource Engineering
- College of Materials Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Youping Wu
- State Key Laboratory of Organic Inorganic Composites
- College of Materials Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource Engineering
- College of Materials Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- China
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42
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Veloso SRS, Ferreira PMT, Martins JA, Coutinho PJG, Castanheira EMS. Magnetogels: Prospects and Main Challenges in Biomedical Applications. Pharmaceutics 2018; 10:E145. [PMID: 30181472 PMCID: PMC6161300 DOI: 10.3390/pharmaceutics10030145] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 08/24/2018] [Accepted: 08/30/2018] [Indexed: 11/17/2022] Open
Abstract
Drug delivery nanosystems have been thriving in recent years as a promising application in therapeutics, seeking to solve the lack of specificity of conventional chemotherapy targeting and add further features such as enhanced magnetic resonance imaging, biosensing and hyperthermia. The combination of magnetic nanoparticles and hydrogels introduces a new generation of nanosystems, the magnetogels, which combine the advantages of both nanomaterials, apart from showing interesting properties unobtainable when both systems are separated. The presence of magnetic nanoparticles allows the control and targeting of the nanosystem to a specific location by an externally applied magnetic field gradient. Moreover, the application of an alternating magnetic field (AMF) not only allows therapy through hyperthermia, but also enhances drug delivery and chemotherapeutic desired effects, which combined with the hydrogel specificity, confer a high therapeutic efficiency. Therefore, the present review summarizes the magnetogels properties and critically discusses their current and recent biomedical applications, apart from an outlook on future goals and perspectives.
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Affiliation(s)
- Sérgio R S Veloso
- Centre of Physics (CFUM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Paula M T Ferreira
- Centre of Chemistry (CQ-UM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - J A Martins
- Centre of Chemistry (CQ-UM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Paulo J G Coutinho
- Centre of Physics (CFUM), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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43
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Polysaccharide-based cationic hydrogels for dye adsorption. Colloids Surf B Biointerfaces 2018; 170:364-372. [PMID: 29940503 DOI: 10.1016/j.colsurfb.2018.06.036] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 06/05/2018] [Accepted: 06/18/2018] [Indexed: 12/16/2022]
Abstract
With advances in soft material design and engineering, naturally resourced polysaccharides have frequently been used to construct hydrogels because of their unique properties such as renewability, biodegradability and biocompatibility. In this work, we use a water-soluble microbial polysaccharide, salecan as a trapped natural polymer, poly(acrylamide-co-diallyldimethylammonium chloride) (PAD) as a functional matrix to prepare salecan/PAD hydrogels through a facile one-pot method. We employed a variety of spectroscopic techniques to probe the physicochemical properties of the designed hydrogels. The results demonstrated that salecan not only tuned the polarity of the PAD hydrogels, but also endowed them with adjustable water content. Subsequently, the adsorption performance of these hydrogels to methyl orange (MO) dye was investigated in detail. It was found that the salecan/PAD had the ability to remove MO from the surrounding aqueous solutions. In addition, adsorption kinetic data were nicely described by pseudo-second-order model and the adsorption isotherm data fitted well with the Freundlich equation. Having tailorable physicochemical properties coupled with the ability to uptake dye, these salecan-incorporated hydrogels could be promising platform for wastewater treatment and removal of heavy metal ions.
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