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Macchione MA, Bedoya DA, Rivero-Buceta E, Botella P, Strumia MC. Mesoporous Silica and Oligo (Ethylene Glycol) Methacrylates-Based Dual-Responsive Hybrid Nanogels. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3835. [PMID: 36364611 PMCID: PMC9657937 DOI: 10.3390/nano12213835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/15/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
Polymeric-inorganic hybrid nanomaterials have emerged as novel multifunctional platforms because they combine the intrinsic characteristics of both materials with unexpected properties that arise from synergistic effects. In this work, hybrid nanogels based on mesoporous silica nanoparticles, oligo (ethylene glycol) methacrylates, and acidic moieties were developed employing ultrasound-assisted free radical precipitation/dispersion polymerization. Chemical structure was characterized by infrared spectroscopy and nuclear magnetic resonance. Hydrodynamic diameters at different temperatures were determined by dynamic light scattering, and cloud point temperatures were determined by turbidimetry. Cell viability in fibroblast (NIH 3T3) and human prostate cancer (LNCaP) cell lines were studied by a standard colorimetric assay. The synthetic approach allows covalent bonding between the organic and inorganic components. The composition of the polymeric structure of hybrid nanogels was optimized to incorporate high percentages of acidic co-monomer, maintaining homogeneous nanosized distribution, achieving appropriate volume phase transition temperature values for biomedical applications, and remarkable pH response. The cytotoxicity assays show that cell viability was above 80% even at the highest nanogel concentration. Finally, we demonstrated the successful cell inhibition when they were treated with camptothecin-loaded hybrid nanogels.
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Affiliation(s)
- Micaela A. Macchione
- Centro de Investigaciones y Transferencia de Villa María (CIT Villa María), CONICET-UNVM, Arturo Jauretche 1555, Villa María, Córdoba X5900LQC, Argentina
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Av. Haya de la Torre esq. Av. Medina Allende, Córdoba X5000HUA, Argentina
- CONICET, Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA), Av. Velez Sárfield 1611, Córdoba X5000HUA, Argentina
| | - Dariana Aristizábal Bedoya
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Av. Haya de la Torre esq. Av. Medina Allende, Córdoba X5000HUA, Argentina
- CONICET, Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA), Av. Velez Sárfield 1611, Córdoba X5000HUA, Argentina
| | - Eva Rivero-Buceta
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Av. Los Naranjos s/n, 46022 Valencia, Spain
| | - Pablo Botella
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Av. Los Naranjos s/n, 46022 Valencia, Spain
| | - Miriam C. Strumia
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Av. Haya de la Torre esq. Av. Medina Allende, Córdoba X5000HUA, Argentina
- CONICET, Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA), Av. Velez Sárfield 1611, Córdoba X5000HUA, Argentina
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Li Z, Yu C, Kumar H, He X, Lu Q, Bai H, Kim K, Hu J. The Effect of Crosslinking Degree of Hydrogels on Hydrogel Adhesion. Gels 2022; 8:682. [PMID: 36286183 PMCID: PMC9601496 DOI: 10.3390/gels8100682] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/13/2022] [Accepted: 10/19/2022] [Indexed: 07/30/2023] Open
Abstract
The development of adhesive hydrogel materials has brought numerous advances to biomedical engineering. Hydrogel adhesion has drawn much attention in research and applications. In this paper, the study of hydrogel adhesion is no longer limited to the surface of hydrogels. Here, the effect of the internal crosslinking degree of hydrogels prepared by different methods on hydrogel adhesion was explored to find the generality. The results show that with the increase in crosslinking degree, the hydrogel adhesion decreased significantly due to the limitation of segment mobility. Moreover, two simple strategies to improve hydrogel adhesion generated by hydrogen bonding were proposed. One was to keep the functional groups used for hydrogel adhesion and the other was to enhance the flexibility of polymer chains that make up hydrogels. We hope this study can provide another approach for improving the hydrogel adhesion generated by hydrogen bonding.
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Affiliation(s)
- Zhangkang Li
- Department of Biomedical Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
| | - Cheng Yu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Hitendra Kumar
- Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
| | - Xiao He
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
| | - Qingye Lu
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
| | - Huiyu Bai
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Keekyoung Kim
- Department of Biomedical Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
- Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
| | - Jinguang Hu
- Department of Biomedical Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
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Synthesis of High-Performance Aqueous Fluorescent Nanodispersions for Textile Printing-A Study of Influence of Moles Ratio on Fastness Properties. Molecules 2021; 26:molecules26237075. [PMID: 34885659 PMCID: PMC8658936 DOI: 10.3390/molecules26237075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 11/16/2022] Open
Abstract
Aqueous fluorescent dispersions containing dyed acrylic-based copolymer nanoparticles possess significant credentials concerning green technology as compared to those prepared with the conventional vinyl-based monomers in textile and garment sectors; however, their essential textile fastness properties are yet to achieve. In the present work, a series of acrylic nanodispersions were synthesized by varying the moles ratio of benzyl methacrylate (BZMA), methyl methacrylate (MMA), and 2-hydroxypropyl methacrylate (HPMA) monomers. This was done to study their effect on dye aggregation and dyed polymer particles agglomeration. FT-IR spectral analysis showed the formation of polymer structures, while Malvern Analyzer, Transmission Electron Microscopy, and Scanning Electron Microscopy analysis suggested that the particles are spherical in shape and their size is less than 200 nm. The obtained nanodispersions were later applied on cotton fabrics for the evaluation of wash fastness and colour migration. Premier color scan spectrophotometer and zeta potential measurement studies suggested that colour migration of printed cotton fabrics increased with an increasing agglomeration of particles and it was also observed to increase with the moles ratio of MMA and zeta potentials.
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Lapresta-Fernández A, Salinas-Castillo A, Capitán-Vallvey LF. Synthesis of a thermoresponsive crosslinked MEO 2MA polymer coating on microclusters of iron oxide nanoparticles. Sci Rep 2021; 11:3947. [PMID: 33597607 PMCID: PMC7889631 DOI: 10.1038/s41598-021-83608-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 02/05/2021] [Indexed: 01/10/2023] Open
Abstract
Encapsulation of magnetic nanoparticles (MNPs) of iron (II, III) oxide (Fe3O4) with a thermopolymeric shell of a crosslinked poly(2-(2-methoxyethoxy)ethyl methacrylate) P(MEO2MA) is successfully developed. Magnetic aggregates of large size, around 150-200 nm are obtained during the functionalization of the iron oxide NPs with vinyl groups by using 3-butenoic acid in the presence of a water soluble azo-initiator and a surfactant, at 70 °C. These polymerizable groups provide a covalent attachment of the P(MEO2MA) shell on the surface of the MNPs while a crosslinked network is achieved by including tetraethylene glycol dimethacrylate in the precipitation polymerization synthesis. Temperature control is used to modulate the swelling-to-collapse transition volume until a maximum of around 21:1 ratio between the expanded: shrunk states (from 364 to 144 nm in diameter) between 9 and 49 °C. The hybrid Fe3O4@P(MEO2MA) microgel exhibits a lower critical solution temperature of 21.9 °C below the corresponding value for P(MEO2MA) (bulk, 26 °C). The MEO2MA coating performance in the hybrid microgel is characterized by dynamic light scattering and transmission electron microscopy. The content of preformed MNPs [up to 30.2 (wt%) vs. microgel] was established by thermogravimetric analysis while magnetic properties by vibrating sample magnetometry.
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Affiliation(s)
- Alejandro Lapresta-Fernández
- ECsens Group, Department of Analytical Chemistry, Campus Fuentenueva, University of Granada, 18071, Granada, Spain.
- Unit of Excellence in Chemistry Applied To Biomedicine and the Environment of the University of Granada, Granada, Spain.
| | - Alfonso Salinas-Castillo
- ECsens Group, Department of Analytical Chemistry, Campus Fuentenueva, University of Granada, 18071, Granada, Spain
- Unit of Excellence in Chemistry Applied To Biomedicine and the Environment of the University of Granada, Granada, Spain
| | - Luis Fermín Capitán-Vallvey
- ECsens Group, Department of Analytical Chemistry, Campus Fuentenueva, University of Granada, 18071, Granada, Spain
- Unit of Excellence in Chemistry Applied To Biomedicine and the Environment of the University of Granada, Granada, Spain
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Kawaguchi H. On Going to a New Era of Microgel Exhibiting Volume Phase Transition. Gels 2020; 6:gels6030026. [PMID: 32824458 PMCID: PMC7559898 DOI: 10.3390/gels6030026] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/03/2020] [Accepted: 08/10/2020] [Indexed: 12/14/2022] Open
Abstract
The discovery of phenomena of volume phase transition has had a great impact not only on bulk gels but also on the world of microgels. In particular, research on poly(N-isopropylacrylamide) (PNIPAM) microgels, whose transition temperature is close to body temperature, has made remarkable progress in almost 35 years. This review presents some breakthrough findings in microgels that exhibit volume phase transitions and outlines recent works on the synthesis, structural analysis, and research direction of microgels.
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Affiliation(s)
- Haruma Kawaguchi
- Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama 241-0814, Japan
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Piechocki K, Kozanecki M, Kadlubowski S, Pacholczyk-Sienicka B, Ulanski P, Biela T. Controlling the properties of radiation-synthesized thermoresponsive oligoether methacrylate hydrogels by varying the monomer side-chain length; self-composite network containing crystalline phase. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.07.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Alejo T, Andreu V, Mendoza G, Sebastian V, Arruebo M. Controlled release of bupivacaine using hybrid thermoresponsive nanoparticles activated via photothermal heating. J Colloid Interface Sci 2018; 523:234-244. [DOI: 10.1016/j.jcis.2018.03.107] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/28/2018] [Accepted: 03/29/2018] [Indexed: 12/18/2022]
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Lin WC, Liou SH, Kotsuchibashi Y. Development and Characterisation of the Imiquimod Poly(2-(2-methoxyethoxy)ethyl Methacrylate) Hydrogel Dressing for Keloid Therapy. Polymers (Basel) 2017; 9:E579. [PMID: 30965881 PMCID: PMC6419005 DOI: 10.3390/polym9110579] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 10/30/2017] [Accepted: 11/02/2017] [Indexed: 01/27/2023] Open
Abstract
The imiquimod-poly(2-(2-methoxyethoxy)ethyl methacrylate) hydrogel (poly(MEO₂MA) hydrogel) dressing was developed for the keloid therapy application. Four groups of the hydrogels, including the imiquimod-poly(MEO₂MA) hydrogel, crosslinked with 0.2 mol %, 0.4 mol %, 0.6 mol %, and 0.8 mol % of di(ethylene glycol) dimethacrylate cross-linker (DEGDMA), were synthesised and characterised for fabricating the imiquimod-poly(MEO₂MA) hydrogel pad. The lower critical solution temperature (LCST) of the poly(MEO₂MA) hydrogel was measured at approximately 28 °C and was used as a trigger to control the imiquimod loading and release. The loaded amounts of the imiquimod in the poly(MEO₂MA) hydrogel, crosslinked with 0.2 mol % and 0.8 mol % of DEGDMA, were about 27.4 μg and 14.1 μg per 1 mm³ of the hydrogel, respectively. The imiquimod-release profiles of two samples were characterised in a phosphate buffered saline (PBS) solution at 37 °C and the released imiquimod amount were about 45% and 46% of the total loaded imiquimod. The Cell Counting Kit-8 (CCK-8) assay was utilised to analyse the cell viability of keloid fibroblasts cultured on the samples of imiquimod-poly(MEO₂MA) hydrogel, crosslinked with 0.2 mol % and 0.8 mol % of DEGDMA. There was around a 34% decrease of the cell viabilities after 2 days, compared with the pure-poly(MEO₂MA) hydrogel samples. Therefore, the developed imiquimod-poly(MEO₂MA) hydrogel dressing can affect the proliferation of keloid fibroblasts. It should be possible to utilise the hydrogel dressing for the keloid therapy application.
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Affiliation(s)
- Wei-Chih Lin
- Department of Mechanical and Electromechanical Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
| | - Sin-Han Liou
- Department of Mechanical and Electromechanical Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
| | - Yohei Kotsuchibashi
- Department of Materials and Life Science, Shizuoka Institute of Science and Technology, Shizuoka 437-8555, Japan.
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POEGMA hydrogel cross-linked by starch-based microspheres: synthesis and characterization. IRANIAN POLYMER JOURNAL 2017. [DOI: 10.1007/s13726-017-0523-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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10
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Dadoo N, Gramlich WM. Spatiotemporal Modification of Stimuli-Responsive Hyaluronic Acid/Poly(N-isopropylacrylamide) Hydrogels. ACS Biomater Sci Eng 2016; 2:1341-1350. [DOI: 10.1021/acsbiomaterials.6b00259] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Nayereh Dadoo
- Department of Chemistry, 5706 Aubert Hall,
Room 154, University of Maine, Orono, Maine 04469-5706, United States
| | - William M. Gramlich
- Department of Chemistry, 5706 Aubert Hall,
Room 154, University of Maine, Orono, Maine 04469-5706, United States
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Montero-Rama MP, Liras M, García O, Quijada-Garrido I. Thermo- and pH-sensitive hydrogels functionalized with thiol groups. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2014.11.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Saeed A, Francini N, White L, Dixon J, Gould T, Rashidi H, Al Ghanami RC, Hruschka V, Redl H, Saunders BR, Alexander C, Shakesheff KM. A thermoresponsive and magnetic colloid for 3D cell expansion and reconfiguration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:662-8. [PMID: 25447597 PMCID: PMC4322481 DOI: 10.1002/adma.201403626] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 09/23/2014] [Indexed: 05/23/2023]
Abstract
A dual thermoresponsive and magnetic colloidal gel matrix is described for enhanced stem-cell culture. The combined properties of the material allow enzyme-free passaging and expansion of mesenchymal stem cells, as well as isolation of cells postculture by the simple process of lowering the temperature and applying an external magnetic field. The colloidal gel can be reconfigured with thermal and magnetic stimuli to allow patterning of cells in discrete zones and to control movement of cells within the porous matrix during culture.
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Affiliation(s)
- Aram Saeed
- School of Pharmacy, University of East AngliaNorwich, NR4 7TJ, UK
| | - Nora Francini
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - Lisa White
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - James Dixon
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - Toby Gould
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - Hassan Rashidi
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | | | - Veronika Hruschka
- Ludwig Boltzmann Institute for Experimental and Clinical TraumatologyVienna, Austria
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical TraumatologyVienna, Austria
| | - Brian R Saunders
- School of Materials, University of ManchesterManchester, M13 9PL, UK
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Alimada B, Yamamoto SI, Moriya O. Synthesis of thermo- and photoresponsive polysilsesquioxane containing tetraethylene glycol chains and an azobenzene group. Polym J 2013. [DOI: 10.1038/pj.2013.92] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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