1
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Substituted Poly(Vinylphosphonate) Coatings of Magnetite Nanoparticles and Clusters. MAGNETOCHEMISTRY 2022. [DOI: 10.3390/magnetochemistry8080079] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Magnetite nanoparticles and clusters of nanoparticles have been of Increasing scientific interest in the past decades. In order to prepare nanoparticles and clusters that are stable in suspension, different coatings have been used. Phosphates and phosphonates are a preferred anchoring group for the coating of magnetite nanomaterials. However, poly(vinylphosphonates) have rarely been used as a coating agent for any nanoparticles. Here, poly(methylvinylphosphonate) and other substituted polyvinylphosphonates are described as new coatings for magnetite nanoparticles and clusters. They show great stability in aqueous suspension. This is also the first time phosphonate-coated magnetite clusters have been synthesized in a one-pot polyol reaction. The coated magnetite nanoparticles and clusters have been characterized by TEM, EDX, FTIR, magnetization measurement, XRD as well as XPS. It has been shown that substituted vinylphosphonates can be easily synthesized in one-step procedures and as a polymeric coating can imbue important properties such as stability in suspension, tight binding to the particle surface, the ability to be further functionalized or to tightly adsorb metal ions. For the synthesis of magnetite clusters the cluster formation, polymerization and coating are done in a one-pot reaction and the resulting magnetite clusters show a higher amount of phosphonate coating than with a three-step procedure including a ligand exchange.
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2
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Casteleiro B, Martinho JMG, Farinha JPS. Encapsulation of gold nanoclusters: stabilization and more. NANOSCALE 2021; 13:17199-17217. [PMID: 34622909 DOI: 10.1039/d1nr04939a] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Gold nanoparticles with only a few atoms, known as gold nanoclusters (AuNCs), have dimensions below 2 nm and feature singular properties such as size dependent luminescence. AuNCs are also highly photostable and have catalytic activity, low toxicity and good biocompatibility. With these properties, they are extremely promising candidates for application in bioimaging, sensing and catalysis. However, when stabilized only with small capping ligands, their use is hindered by lack of colloidal stability. Encapsulation of the AuNCs can contribute to provide a more robust protection and even to improve their properties. Here, we review the encapsulation of AuNCs in polymers, silica and metal organic frameworks (MOFs) for applications in bioimaging, sensing and catalysis.
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Affiliation(s)
- Bárbara Casteleiro
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal.
| | - José Manuel Gaspar Martinho
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal.
| | - José Paulo Sequeira Farinha
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal.
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3
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Mangia L, Ferraz H, Souza R, Pereira M, Pinto J. In situ encapsulation of rivastigmine in TAT-functionalized P(MMA-co-AA) nanoparticles through miniemulsion polymerization. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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4
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Pounds K, Jairam S, Bao H, Meng S, Zhang L, Godinez SA, Savin DA, Pelletier W, Correll MJ, Tong Z. Glycerol-Based Dendrimer Nanocomposite Film as a Tunable pH-Sensor for Food Packaging. ACS APPLIED MATERIALS & INTERFACES 2021; 13:23268-23281. [PMID: 33956422 DOI: 10.1021/acsami.1c05145] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Large amounts of food are wasted during the food supply chain. This loss is in part due to consumer confusion over dates on food packages that can indicate a variety of quality indicators in the product (e.g., expiration date, "best by" date, "sell by" dates, etc.). To reduce this food loss, much research has been focused on the films that offer simple and easily manipulated indication systems to detect food spoilage. However, these materials are usually hydrophilic biopolymers that can detect the food spoilage in a wide pH range but do not provide highly sensitive real-time measurements. In this work, a glycerol-based nanocomposite core-shell latex film was synthesized to create a responsive packaging material that can provide real-time pH detection of food with high sensitivity. First, the pH-responsive dendrimer comonomer was synthesized from glycerol and diamine. Then, the nanoencapsulation polymerization process via miniemulsion was conducted to form a core-shell structure with tunable nanoshell thickness for a sensible pH-responsive release (<0.5 pH change). Next, the flexible film encapsulated a color-indicative dye that provided highly sensitive and visible color changes as both the pH dropped and the time elapsed in the food. This film also provided a barrier to water and heat and resisted deformation. Ultimately, this nanocomposite flexible film pending a pH sensor has the potential as an intelligent food packaging material for a universal, accurate, easy-to-use, and real-time food spoilage monitoring system to reduce food waste.
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Affiliation(s)
- Karyn Pounds
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Suguna Jairam
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Hanxi Bao
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Shanyu Meng
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Lin Zhang
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Scarlett Arencibia Godinez
- Department of Chemistry, Center for Macromolecular Science and Engineering, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - Daniel A Savin
- Department of Chemistry, Center for Macromolecular Science and Engineering, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - William Pelletier
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Melanie J Correll
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Zhaohui Tong
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
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5
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Guimarães TR, Delafresnaye L, Zhou D, Barner-Kowollik C, Zetterlund PB. Multisegmented polymers via step-growth and RAFT miniemulsion polymerization. Polym Chem 2021. [DOI: 10.1039/d1py01163d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a method to efficiently prepare multisegmented polymers via a combination of step-growth (SG) and reversible addition-fragmentation chain transfer (RAFT) polymerization.
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Affiliation(s)
- Thiago R. Guimarães
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Laura Delafresnaye
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Dewen Zhou
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Christopher Barner-Kowollik
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Per B. Zetterlund
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia
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Daraba OM, Cadinoiu AN, Rata DM, Atanase LI, Vochita G. Antitumoral Drug-Loaded Biocompatible Polymeric Nanoparticles Obtained by Non-Aqueous Emulsion Polymerization. Polymers (Basel) 2020; 12:E1018. [PMID: 32365767 PMCID: PMC7284542 DOI: 10.3390/polym12051018] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/19/2020] [Accepted: 04/22/2020] [Indexed: 12/15/2022] Open
Abstract
Non-aqueous dispersions (NAD) with two types of polymeric nanoparticles (NPs), such as hydrophobic poly(ε-caprolactone) (PCL) and hydrophilic cross-linked poly(vinylpyrrolidone) (PNVP), were synthesized in the present study starting from monomer-in-silicone oil (PDMS) polymerizable non-aqueous emulsions stabilized with the same tailor-made PDMS-based block copolymer. These NPs were loaded with CCisplatin, an antitumoral model drug, directly from the emulsion polymerization step, and it was observed that the presence of the drug leads only to a slight increase of the NPs size, from 120 to 150 nm. The drug release kinetics was evaluated at 37 °C in phosphate buffer at pH = 7.4 and it appeared that the drug release rate from the hydrophilic cross-linked PNVP-based NPs is higher than that from the hydrophobic PCL-based NPs. Moreover, haemolysis tests revealed the fact that these two types of NPs have a good compatibility with the blood. Furthermore, for both the free and drug-loaded NPs, the in vitro cytotoxicity and apoptosis was studied on two types of cancer cell lines, such as MCF-7 (breast cancer cell line) and A-375 (skin cancer cell line). Both types of NPs had no cytotoxic effect but, at a concentration of 500 μg/mL, presented an apoptotic effect similar to that of the free drug.
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Affiliation(s)
- Oana Maria Daraba
- Department of Biomaterials, Faculty of Medical Dentistry, "Apollonia" University of Iasi, Pacurari Street, No. 11, Iasi 700511, Romania
| | - Anca Niculina Cadinoiu
- Department of Biomaterials, Faculty of Medical Dentistry, "Apollonia" University of Iasi, Pacurari Street, No. 11, Iasi 700511, Romania
| | - Delia Mihaela Rata
- Department of Biomaterials, Faculty of Medical Dentistry, "Apollonia" University of Iasi, Pacurari Street, No. 11, Iasi 700511, Romania
| | - Leonard Ionut Atanase
- Department of Biomaterials, Faculty of Medical Dentistry, "Apollonia" University of Iasi, Pacurari Street, No. 11, Iasi 700511, Romania
| | - Gabriela Vochita
- Department of Experimental and Applied Biology, NIRDBS-Institute of Biological Research Iasi, Lascar Catargi 47, Iasi 700107, Romania
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7
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Polynorbornene latex synthesis by UV-triggered Ring-Opening Metathesis Polymerization in miniemulsion. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Silva RD, Lona LMF, Dubé MA. Evaluation of Organically Modified Layered Double Hydroxides as Fillers for the Preparation of Polymer Nanocomposites in Miniemulsion Polymerization. MACROMOL REACT ENG 2020. [DOI: 10.1002/mren.201900049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Rodrigo Duarte Silva
- Centro Universitário de Formiga, 328 Doutor Arnaldo de Senna Ave. Formiga MG 35570‐000 Brazil
| | - Liliane Maria Ferrareso Lona
- Department of Chemical Engineering University of Campinas, Cidade Universitária Zeferino Vaz 500 Albert Einstein Ave. Campinas SP 13083‐852 Brazil
| | - Marc Arnold Dubé
- Department of Chemical and Biological Engineering University of Ottawa 161 Louis Pasteur Pvt. Ottawa ON K1N 6N5 Canada
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Nauman N, Zaquen N, Junkers T, Boyer C, Zetterlund PB. Particle Size Control in Miniemulsion Polymerization via Membrane Emulsification. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00447] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Nida Nauman
- Department of Polymer and Process Engineering, University of Engineering and Technology, G.T. Road, 54890 Lahore, Punjab, Pakistan
| | - Neomy Zaquen
- Institute for Materials Research (IMO-IMOMEC), Universiteit Hasselt, Agoralaan Building D, B-3590 Diepenbeek, Belgium
| | - Tanja Junkers
- Institute for Materials Research (IMO-IMOMEC), Universiteit Hasselt, Agoralaan Building D, B-3590 Diepenbeek, Belgium
- Polymer Reaction Design Group, School of Chemistry, Monash University, 19 Rainforest Walk, VIC 3800 Melbourne, Australia
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10
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Thickett SC, Teo GH. Recent advances in colloidal nanocomposite designviaheterogeneous polymerization techniques. Polym Chem 2019. [DOI: 10.1039/c9py00097f] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Recent advances in colloidal nanocomposite design by heterogeneous polymerization are reviewed, with a specific focus on encapsulation and particle-based stabilization for specific materials applications.
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Affiliation(s)
- Stuart C. Thickett
- School of Natural Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
| | - Guo Hui Teo
- School of Natural Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
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11
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Multifunctional polymer dispersions for biomedical assays obtained by heterophase radical polymerization. Russ Chem Bull 2018. [DOI: 10.1007/s11172-018-2289-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Becher TB, Mendonça MCP, de Farias MA, Portugal RV, de Jesus MB, Ornelas C. Soft Nanohydrogels Based on Laponite Nanodiscs: A Versatile Drug Delivery Platform for Theranostics and Drug Cocktails. ACS APPLIED MATERIALS & INTERFACES 2018; 10:21891-21900. [PMID: 29889487 DOI: 10.1021/acsami.8b06149] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A new nanohydrogel drug delivery platform based on Laponite nanodiscs, polyacrylate, and sodium phosphate salts is described. The hybrid nanohydrogel is tailored to obtain soft and flexible nanohydrogels with G' around 3 kPa, which has been proposed as the ideal stiffness for drug delivery applications. In vitro studies demonstrate that the new nanohydrogels are biocompatible, biodegradable, nonswellable, pH-responsive, and noncytotoxic and are able to deliver antineoplastic drugs into cancer cells. The IC50 of nanohydrogels containing cisplatin, 4-fluorouracil, and cyclophosphamide is significantly lower than the IC50 of the free drugs. In vivo experiments suggest that the new nanomaterials are biocompatible and do not accumulate in crucial organs. The simple formulation procedure enables encapsulation of virtually any water-soluble molecule, without the need for chemical modification of the guests. These nanohydrogels are a versatile platform that enables the simultaneous encapsulation of several cancer drugs, yielding an efficient drug cocktail delivery system, which for instance presents a positive synergistic effect against MCF-7 cells.
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Affiliation(s)
| | | | - Marcelo A de Farias
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , Sao Paulo , Brazil
| | - Rodrigo V Portugal
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , Sao Paulo , Brazil
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13
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Yang HY, Li Y, Lee DS. Multifunctional and Stimuli-Responsive Magnetic Nanoparticle-Based Delivery Systems for Biomedical Applications. ADVANCED THERAPEUTICS 2018. [DOI: 10.1002/adtp.201800011] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hong Yu Yang
- College of Materials Science and Engineering; Jilin Institute of Chemical Technology; Jilin City 132022 P. R. China
| | - Yi Li
- Theranostic Macromolecules Research Center and School of Chemical Engineering; Sungkyunkwan University; Suwon Gyeonggi-do 16419 South Korea
| | - Doo Sung Lee
- Theranostic Macromolecules Research Center and School of Chemical Engineering; Sungkyunkwan University; Suwon Gyeonggi-do 16419 South Korea
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14
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Ronco LI, Feuser PE, da Cas Viegas A, Minari RJ, Gugliotta LM, Sayer C, Araújo PHH. Incorporation of Magnetic Nanoparticles in Poly(Methyl Methacrylate) Nanocapsules. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201700424] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ludmila I. Ronco
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC UNL-CONICET); Güemes 3450 Santa Fe 3000 Argentina
| | - Paulo E. Feuser
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; Florianopolis SC 88040-900 Brazil
| | - Alexandre da Cas Viegas
- Department of Physic; Federal University of Santa Catarina; Florianopolis SC 88040-900 Brazil
| | - Roque J. Minari
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC UNL-CONICET); Güemes 3450 Santa Fe 3000 Argentina
| | - Luis M. Gugliotta
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC UNL-CONICET); Güemes 3450 Santa Fe 3000 Argentina
| | - Claudia Sayer
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; Florianopolis SC 88040-900 Brazil
| | - Pedro H. H. Araújo
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; Florianopolis SC 88040-900 Brazil
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15
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Neamtu I, Rusu AG, Diaconu A, Nita LE, Chiriac AP. Basic concepts and recent advances in nanogels as carriers for medical applications. Drug Deliv 2017; 24:539-557. [PMID: 28181831 PMCID: PMC8240973 DOI: 10.1080/10717544.2016.1276232] [Citation(s) in RCA: 220] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 12/13/2016] [Accepted: 12/20/2016] [Indexed: 01/18/2023] Open
Abstract
Nanogels in biomedical field are promising and innovative materials as dispersions of hydrogel nanoparticles based on crosslinked polymeric networks that have been called as next generation drug delivery systems due to their relatively high drug encapsulation capacity, uniformity, tunable size, ease of preparation, minimal toxicity, stability in the presence of serum, and stimuli responsiveness. Nanogels show a great potential in chemotherapy, diagnosis, organ targeting and delivery of bioactive substances. The main subjects reviewed in this article concentrates on: (i) Nanogel assimilation in the nanomedicine domain; (ii) Features and advantages of nanogels, the main characteristics, such as: swelling capacity, stimuli sensitivity, the great surface area, functionalization, bioconjugation and encapsulation of bioactive substances, which are taken into account in designing the structures according to the application; some data on the advantages and limitations of the preparation techniques; (iii) Recent progress in nanogels as a carrier of genetic material, protein and vaccine. The majority of the scientific literature presents the multivalency potential of bioconjugated nanogels in various conditions. Today's research focuses over the overcoming of the restrictions imposed by cost, some medical requirements and technological issues, for nanogels' commercial scale production and their integration as a new platform in biomedicine.
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Affiliation(s)
- Iordana Neamtu
- “Petru Poni” Institute of Macromolecular Chemistry, Iasi, Romania
| | | | - Alina Diaconu
- “Petru Poni” Institute of Macromolecular Chemistry, Iasi, Romania
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16
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Morphology of Composite Polymer Latexes: An Update on Synthesis and Applications, Modeling, and Characterization. ADVANCES IN POLYMER SCIENCE 2017. [DOI: 10.1007/12_2017_25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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17
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Pérez-Martínez BT, Farías-Cepeda L, Ovando-Medina VM, Asua JM, Rosales-Marines L, Tomovska R. Miniemulsion copolymerization of (meth)acrylates in the presence of functionalized multiwalled carbon nanotubes for reinforced coating applications. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2017; 8:1328-1337. [PMID: 28690968 PMCID: PMC5496581 DOI: 10.3762/bjnano.8.134] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 06/09/2017] [Indexed: 06/07/2023]
Abstract
Film forming, stable hybrid latexes made of methyl metacrylate (MMA), butyl acrylate (BA) and 2-hydroxyethyl methacrylate (HEMA) copolymer reinforced with modified multiwalled carbon nanotubes (MWCNTs) were synthesized by in situ miniemulsion polymerization. The MWCNTs were pretreated by an air sonication process and stabilized by polyvinylpyrrolidone. The presence of the MWCNTs had no significant effect on the polymerization kinetics, but strongly affected the polymer characteristics (Tg and insoluble polymer fraction). The performance of the in situ composites was compared with that of the neat polymer dispersion as well as with those of the polymer/MWCNT physical blends. The in situ composites showed the presence of an additional phase likely due to the strong interaction between the polymer and MWNCTs (including grafting) that reduced the mobility of the polymer chains. As a result, a substantial increase of both the storage and the loss moduli was achieved. At 60 °C, which is above the main transition region of the polymer, the in situ composites maintained the reinforcement, whereas the blends behaved as a liquid-like material. This suggests the formation of a 3D network, in good agreement with the high content of insoluble polymer in the in situ composites.
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Affiliation(s)
- Bertha T Pérez-Martínez
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta zentroa, Tolosa Etorbidea 72, Donostia-San Sebastián 20018, Spain
| | - Lorena Farías-Cepeda
- Departamento de Ingeniería Química, Universidad Autónoma de Coahuila, Blvd. V. Carranza e Ing. José Cárdenas V. S/N, Saltillo, Coah, 25280 México
| | - Víctor M Ovando-Medina
- Ingeniería Química, Coordinación Académica Región Altiplano (COARA) Universidad Autónoma de San Luis Potosí, Carretera a Cedral KM 5+600, San José de las Trojes, Matehuala, SLP, 78700 México
| | - José M Asua
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta zentroa, Tolosa Etorbidea 72, Donostia-San Sebastián 20018, Spain
| | - Lucero Rosales-Marines
- Departamento de Ingeniería Química, Universidad Autónoma de Coahuila, Blvd. V. Carranza e Ing. José Cárdenas V. S/N, Saltillo, Coah, 25280 México
| | - Radmila Tomovska
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta zentroa, Tolosa Etorbidea 72, Donostia-San Sebastián 20018, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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18
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Yao J, Cao Z, Chen Q, Zhao S, Zhang Y, Qi D. Efficient preparation and formation mechanism of polymer/SiO2 nanocomposite particles in miniemulsions. Colloid Polym Sci 2017. [DOI: 10.1007/s00396-017-4115-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Maiti J, Basfar AA. Encapsulation of carbon black by surfactant free emulsion polymerization process. Macromol Res 2017. [DOI: 10.1007/s13233-017-5023-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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20
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Perreira AC, Pearson S, Kostadinova D, Leroux F, D'Agosto F, Lansalot M, Bourgeat-Lami E, Prévot V. Nanocomposite latexes containing layered double hydroxides via RAFT-assisted encapsulating emulsion polymerization. Polym Chem 2017. [DOI: 10.1039/c6py01742h] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Successful encapsulation of LDH nanoplatelets into latex particles.
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Affiliation(s)
| | - Samuel Pearson
- Univ Lyon
- Université Claude Bernard Lyon 1
- CPE Lyon
- CNRS
- UMR 5265
| | - Dessislava Kostadinova
- Université Clermont Auvergne
- Université Blaise Pascal
- Institut de Chimie de Clermont-Ferrand
- F-63000 Clermont-Ferrand
- France
| | - Fabrice Leroux
- Université Clermont Auvergne
- Université Blaise Pascal
- Institut de Chimie de Clermont-Ferrand
- F-63000 Clermont-Ferrand
- France
| | - Franck D'Agosto
- Univ Lyon
- Université Claude Bernard Lyon 1
- CPE Lyon
- CNRS
- UMR 5265
| | - Muriel Lansalot
- Univ Lyon
- Université Claude Bernard Lyon 1
- CPE Lyon
- CNRS
- UMR 5265
| | | | - Vanessa Prévot
- Université Clermont Auvergne
- Université Blaise Pascal
- Institut de Chimie de Clermont-Ferrand
- F-63000 Clermont-Ferrand
- France
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Giardiello M, Hatton FL, Slater RA, Chambon P, North J, Peacock AK, He T, McDonald TO, Owen A, Rannard SP. Stable, polymer-directed and SPION-nucleated magnetic amphiphilic block copolymer nanoprecipitates with readily reversible assembly in magnetic fields. NANOSCALE 2016; 8:7224-7231. [PMID: 26973155 DOI: 10.1039/c6nr00788k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The formation of inorganic-organic magnetic nanocomposites using reactive chemistry often leads to a loss of super-paramagnetisim when conducted in the presence of iron oxide nanoparticles. We present here a low energy and chemically-mild process of co-nanoprecipitation using SPIONs and homopolymers or amphiphilic block copolymers, of varying architecture and hydrophilic/hydrophobic balance, which efficiently generates near monodisperse SPION-containing polymer nanoparticles with complete retention of magnetism, and highly reversible aggregation and redispersion behaviour. When linear and branched block copolymers with inherent water-solubility are used, a SPION-directed nanoprecipitation mechanism appears to dominate the nanoparticle formation presenting new opportunities for tailoring and scaling highly functional systems for a range of applications.
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Affiliation(s)
- Marco Giardiello
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Fiona L Hatton
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Rebecca A Slater
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Pierre Chambon
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Jocelyn North
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Anita K Peacock
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Tao He
- Institute of Chemical and Engineering Sciences Agency for Science, Technology and Research (A*STAR), 1, Pesek Road, Jurong Island, 627833, Singapore
| | - Tom O McDonald
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
| | - Andrew Owen
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Block H, 70 Pembroke Place, Liverpool L69 3GF, UK
| | - Steve P Rannard
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD, UK.
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23
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Zhenqian Z, Bo X, Jianning D, Bijun F. Preparation of CdFe2O4-polymeric nanoparticles by inverse miniemulsion and its film properties. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.02.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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24
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Qi D, Liu C, Chen Z, Chen H, Huang C, Cao Z. Formation mechanism of guava-like polymer/SiO 2 nanocomposite particles in in situ emulsion polymerization systems. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2015.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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25
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Costa C, Wagner M, Musyanovych A, Landfester K, Sayer C, Araújo PHH. Decrease of methyl methacrylate miniemulsion polymerization rate with incorporation of plant oils. EUR J LIPID SCI TECH 2015. [DOI: 10.1002/ejlt.201500192] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Cristiane Costa
- Department of Chemical Engineering and Food EngineeringFederal University of Santa CatarinaFlorianópolisSanta CatarinaBrazil
| | | | - Anna Musyanovych
- Max Planck Institute for Polymer ResearchMainzGermany
- Department of Nanoparticle TechnologiesFraunhofer ICT‐IMMMainzGermany
| | | | - Claudia Sayer
- Department of Chemical Engineering and Food EngineeringFederal University of Santa CatarinaFlorianópolisSanta CatarinaBrazil
| | - Pedro H. H. Araújo
- Department of Chemical Engineering and Food EngineeringFederal University of Santa CatarinaFlorianópolisSanta CatarinaBrazil
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26
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27
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Latnikova A, Grigoriev D, Möhwald H, Shchukin D. Microgel containers for self-healing polymeric materials: Morphology prediction and mechanism of formation. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.07.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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28
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Zetterlund PB, Thickett SC, Perrier S, Bourgeat-Lami E, Lansalot M. Controlled/Living Radical Polymerization in Dispersed Systems: An Update. Chem Rev 2015; 115:9745-800. [PMID: 26313922 DOI: 10.1021/cr500625k] [Citation(s) in RCA: 326] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Per B Zetterlund
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Stuart C Thickett
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Sébastien Perrier
- Department of Chemistry, The University of Warwick , Coventry CV4 7AL, U.K.,Faculty of Pharmacy and Pharmaceutical Sciences, Monash University , Melbourne, VIC 3052, Australia
| | - Elodie Bourgeat-Lami
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Muriel Lansalot
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
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29
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Yan X, Kong J, Yang C, Fu G. Facile synthesis of hairy core–shell structured magnetic polymer submicrospheres and their adsorption of bovine serum albumin. J Colloid Interface Sci 2015; 445:9-15. [DOI: 10.1016/j.jcis.2014.12.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 12/14/2014] [Accepted: 12/16/2014] [Indexed: 12/26/2022]
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30
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Bourgeat-Lami E, D’Agosto F, Lansalot M. Synthesis of Nanocapsules and Polymer/Inorganic Nanoparticles Through Controlled Radical Polymerization At and Near Interfaces in Heterogeneous Media. CONTROLLED RADICAL POLYMERIZATION AT AND FROM SOLID SURFACES 2015. [DOI: 10.1007/12_2015_313] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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31
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32
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Qi D, Cao Z, Ziener U. Recent advances in the preparation of hybrid nanoparticles in miniemulsions. Adv Colloid Interface Sci 2014; 211:47-62. [PMID: 24951391 DOI: 10.1016/j.cis.2014.06.001] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 05/31/2014] [Accepted: 06/01/2014] [Indexed: 01/20/2023]
Abstract
In this review, we summarize recent advances in the synthesis of hybrid nanoparticles in miniemulsions since 2009. These hybrid nanoparticles include organic-inorganic, polymeric, and natural macromolecule/synthetic polymer hybrid nanoparticles. They may be prepared through encapsulation of inorganic components or natural macromolecules by miniemulsion (co)polymerization, simultaneous polymerization of vinyl monomers and vinyl-containing inorganic precursors, precipitation of preformed polymers in the presence of inorganic constituents through solvent displacement techniques, and grafting polymerization onto, from or through natural macromolecules. Characterization, properties, and applications of hybrid nanoparticles are also discussed.
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33
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Jung C, Krumova M, Mecking S. Hybrid nanoparticles by step-growth Sonogashira coupling in disperse systems. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:9905-9910. [PMID: 25126706 DOI: 10.1021/la502691b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Organic/inorganic hybrid nanoparticles were prepared by a Sonogashira miniemulsion polymerization of dibromo aryl and diethynyl aryl monomers and modified titanium dioxide and cadmium selenide nanocrystals, respectively. The poly(arylene ethynylene) microstructure and polymerization rates, as reflected by monomer reactivity, decisively impact whether inorganic guest particles can be trapped to afford a uniform distribution within a newly formed polymer particle or phase separate. This issue was found to be more critical for the TiO2 rods studied here. To this end, the compatibility of the organic and inorganic portions could be improved substantially by the incorporation of functional groups that bind the inorganic surface to the polymer via an appropriate termonomer. This concept, in combination with rapid particle formation via a postpolymerization dispersion of a premade poly(arylene ethynylene)/TiO2 composite as an alternative technique, yielded composite particles with a high loading of the inorganic nanoparticles.
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Affiliation(s)
- Christoph Jung
- Chair of Chemical Materials Science, Department of Chemistry, University of Konstanz , Universitätstrasse 10, D-78457 Konstanz, Germany
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34
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Abstract
The use of polymers from natural resources can bring many benefits for novel polymeric nanoparticle systems. Such polymers have a variety of beneficial properties such as biodegradability and biocompatibility, they are readily available on large scale and at low cost. As the amount of fossil fuels decrease, their application becomes more interesting even if characterization is in many cases more challenging due to structural complexity, either by broad distribution of their molecular weights (polysaccharides, polyesters, lignin) or by complex structure (proteins, lignin). This review summarizes different sources and methods for the preparation of biopolymer-based nanoparticle systems for various applications.
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Affiliation(s)
- Frederik R. Wurm
- Physical Chemistry of Polymers, Max Planck Institute for Polymer ResearchMainz, Germany
| | - Clemens K. Weiss
- Life Sciences and Engineering, University of Applied Sciences BingenBingen, Germany
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35
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Barrios SB, Petry JF, Weiss CK, Petzhold CL, Landfester K. Polymeric coatings based on acrylic resin latexes from miniemulsion polymerization using hydrocarbon resins as osmotic agents. J Appl Polym Sci 2014. [DOI: 10.1002/app.40569] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Silmar B. Barrios
- Department of Organic Chemistry Chemistry Institute; Federal University of Rio Grande do Sul; CEP 91540-000 Porto Alegre Brazil
- Physical Chemistry of Polymers; Max Planck Institute for Polymer Research; Mainz 55128 Germany
| | - Jessica F. Petry
- Department of Organic Chemistry Chemistry Institute; Federal University of Rio Grande do Sul; CEP 91540-000 Porto Alegre Brazil
| | - Clemens K. Weiss
- Physical Chemistry of Polymers; Max Planck Institute for Polymer Research; Mainz 55128 Germany
- Department 1; University of Applied Sciences Bingen; Bingen 55411 Germany
| | - Cesar L. Petzhold
- Department of Organic Chemistry Chemistry Institute; Federal University of Rio Grande do Sul; CEP 91540-000 Porto Alegre Brazil
| | - Katharina Landfester
- Physical Chemistry of Polymers; Max Planck Institute for Polymer Research; Mainz 55128 Germany
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36
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Asua JM. Mapping the Morphology of Polymer-Inorganic Nanocomposites Synthesized by Miniemulsion Polymerization. MACROMOL CHEM PHYS 2014. [DOI: 10.1002/macp.201300696] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- José M. Asua
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas; University of the Basque Country UPV/EHU; Joxe Mari Korta Center Av. Tolosa 72 20018 Donostia-San Sebastian Spain
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37
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Aguirre M, Paulis M, Leiza JR. Particle nucleation and growth in seeded semibatch miniemulsion polymerization of hybrid CeO2/acrylic latexes. POLYMER 2014. [DOI: 10.1016/j.polymer.2013.12.067] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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38
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Bley K, Sinatra N, Vogel N, Landfester K, Weiss CK. Switching light with light--advanced functional colloidal monolayers. NANOSCALE 2014; 6:492-502. [PMID: 24227011 DOI: 10.1039/c3nr04897g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Colloidal monolayers comprising of highly ordered two dimensional crystals are of high interest to generate surface patterns for a variety of different applications. Mostly, unfunctionalized polymer or silica colloids are assembled into monolayers. However, the incorporation of functional molecules into such colloids offers a convenient possibility of implementing additional properties to the two-dimensional crystal. Here, we present the formation of novel functional colloidal monolayers with photoswitchable fluorescence. The miniemulsion polymerization technique was used to incorporate an appropriate dye system of a perylene-based fluorophore and a bis-arylethene as a photochrome in polymeric colloids in defined ratios. Upon irradiation with UV or visible light the photochrome reversibly isomerizes from the ring-closed form, which is able to absorb light of the emission wavelength of the fluorescent dye and the ring-open form, which is not. The fluorescence emission of the dye can thus be reversibly switched on and off with light even when embedded in colloids. The colloids were self-assembled at the air-water interface to produce hexagonally ordered functional monolayers and more complex binary crystals. We investigate in detail the influence of the polymeric matrix on the switching properties of the fluorophore/photochrome system and find that the rate constants for the photoswitching, which all lie in the same range, are less influenced by the polymeric environment than expected. We demonstrate the reversible switching of the fluorescence emission in self-assembled colloidal monolayers. The arrangement of broadly distributed functional colloids into ordered monolayers with high addressability was obtained by the formation of binary colloidal monolayers.
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Affiliation(s)
- K Bley
- Max-Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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39
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Cao L, Fei X, Zhang T, Yu L, Gu Y, Zhang B. Modification of C.I. Pigment Red 21 with Sepiolite and Lithopone in Its Preparation Process. Ind Eng Chem Res 2013. [DOI: 10.1021/ie4021914] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lingyun Cao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Xuening Fei
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Colleges of Science, Tianjin Chengjian University, Tianjin 300384, China
| | - Tianyong Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Lu Yu
- Colleges of Science, Tianjin Chengjian University, Tianjin 300384, China
| | - Yingchun Gu
- Colleges of Science, Tianjin Chengjian University, Tianjin 300384, China
| | - Baolian Zhang
- Colleges of Science, Tianjin Chengjian University, Tianjin 300384, China
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40
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Greesh N, Sinha Ray S, Bandyopadhyay J. Role of Nanoclay Shape and Surface Characteristics on the Morphology and Thermal Properties of Polystyrene Nanocomposites Synthesized via Emulsion Polymerization. Ind Eng Chem Res 2013. [DOI: 10.1021/ie4024929] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nagi Greesh
- DST/CSIR
National Centre for Nanostructured Materials, Council for Scientific and Industrial Research, Pretoria 0001, South Africa
| | - Suprakas Sinha Ray
- DST/CSIR
National Centre for Nanostructured Materials, Council for Scientific and Industrial Research, Pretoria 0001, South Africa
- Department
of Applied Chemistry, University of Johannesburg, Doornforntein 2028, Johannesburg, South Africa
| | - Jayita Bandyopadhyay
- DST/CSIR
National Centre for Nanostructured Materials, Council for Scientific and Industrial Research, Pretoria 0001, South Africa
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41
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Cao Z, Ziener U. Synthesis of nanostructured materials in inverse miniemulsions and their applications. NANOSCALE 2013; 5:10093-10107. [PMID: 24056795 DOI: 10.1039/c3nr03190j] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Polymeric nanogels, inorganic nanoparticles, and organic-inorganic hybrid nanoparticles can be prepared via the inverse miniemulsion technique. Hydrophilic functional cargos, such as proteins, DNA, and macromolecular fluoresceins, may be conveniently encapsulated in these nanostructured materials. In this review, the progress of inverse miniemulsions since 2000 is summarized on the basis of the types of reactions carried out in inverse miniemulsions, including conventional free radical polymerization, controlled/living radical polymerization, polycondensation, polyaddition, anionic polymerization, catalytic oxidation reaction, sol-gel process, and precipitation reaction of inorganic precursors. In addition, the applications of the nanostructured materials synthesized in inverse miniemulsions are also reviewed.
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Affiliation(s)
- Zhihai Cao
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Xuelin Street 16, Hangzhou, 310036, China.
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42
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Li Y, Yuan D, Dong M, Chai Z, Fu G. Facile and green synthesis of core-shell structured magnetic chitosan submicrospheres and their surface functionalization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:11770-11778. [PMID: 23968226 DOI: 10.1021/la402281e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Submicrometer-sized magnetite colloid nanocrystal clusters (MCNCs) provide a new avenue for constructing uniformly sized and highly magnetic composite submicrospheres. Herein, a facile and eco-friendly method is described for the synthesis of Fe3O4@poly(acrylic acid) (PAA)/chitosan (CS) core-shell submicrospheres using MCNCs bearing carboxyl groups as the magnetic cores. It is based on the self-assembly of positively charged CS chains on the surface of the oppositely charged MCNCs dispersed in the aqueous solution containing acrylic acid (AA) and a cross-linker N,N'-methylenebis(acrylamide) (MBA), followed by radical induced cross-linking copolymerization of AA and MBA along the CS chains. The resulting polymer shell comprises a medium shell of cross-linked PAA/CS polyelectrolyte complexes and an outer shell of protonated CS chains. It was found that the shell thickness could be tuned by varying either the concentration of radical initiator or the molar ratio of AA to aminoglucoside units of CS. To the surface of thus obtained Fe3O4@PAA/CS particles, Au nanoparticles, a variety of functional groups such as fluorescein, carboxyl, quaternary ammonium, and aliphatic bromide, and even functional polymer chains were successfully introduced. Therefore, such Fe3O4@PAA/CS submicrospheres may be used as versatile magnetic functional scaffolds in biorelated areas like bioseparation and medical assay, considering the unique features of CS like nontoxicity and biocompatibility.
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Affiliation(s)
- Yiya Li
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, Nankai University , Tianjin 300071, China
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43
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Synthesis and surface properties of PDMS-containing latexes by emulsion polymerization using AIBN as the initiator. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.05.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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44
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Aguirre M, Paulis M, Leiza JR, Guraya T, Iturrondobeitia M, Okariz A, Ibarretxe J. High-Solids-Content Hybrid Acrylic/CeO2
Latexes with Encapsulated Morphology Assessed by 3D-TEM. MACROMOL CHEM PHYS 2013. [DOI: 10.1002/macp.201300373] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Miren Aguirre
- POLYMAT and Kimika Aplikatua Saila; University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa; Tolosa Hiribidea 72 20018 Donostia-San Sebastián Spain
| | - Maria Paulis
- POLYMAT and Kimika Aplikatua Saila; University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa; Tolosa Hiribidea 72 20018 Donostia-San Sebastián Spain
| | - Jose Ramon Leiza
- POLYMAT and Kimika Aplikatua Saila; University of the Basque Country UPV/EHU, Joxe Mari Korta Zentroa; Tolosa Hiribidea 72 20018 Donostia-San Sebastián Spain
| | - Teresa Guraya
- eMERG and Department of Mining and Metallurgical Engineering and Materials Science University of the Basque Country UPV/EHU; Pº Rafael Moreno Pitxitxi, 3 48013 Bilbao Spain
| | - Maider Iturrondobeitia
- eMERG and Department of Mining and Metallurgical Engineering and Materials Science University of the Basque Country UPV/EHU; Pº Rafael Moreno Pitxitxi, 3 48013 Bilbao Spain
| | - Ana Okariz
- eMERG and Department of Applied Physics I, University of the Basque Country UPV/EHU; Pº Rafael Moreno Pitxitxi, 3 48013 Bilbao Spain
| | - Julen Ibarretxe
- eMERG and Department of Applied Physics I, University of the Basque Country UPV/EHU; Pº Rafael Moreno Pitxitxi, 3 48013 Bilbao Spain
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45
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Staudt T, Machado TO, Vogel N, Weiss CK, Araujo PHH, Sayer C, Landfester K. Magnetic Polymer/Nickel Hybrid Nanoparticles Via Miniemulsion Polymerization. MACROMOL CHEM PHYS 2013. [DOI: 10.1002/macp.201300329] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Thiago Staudt
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; CEP 88040 900 Florianopolis SC Brazil
| | - Thiago O. Machado
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; CEP 88040 900 Florianopolis SC Brazil
| | - Nicolas Vogel
- Max Planck Institute for Polymer Research; Ackermanweg 10 D-55128 Mainz Germany
| | - Clemens K. Weiss
- Max Planck Institute for Polymer Research; Ackermanweg 10 D-55128 Mainz Germany
| | - Pedro H. H. Araujo
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; CEP 88040 900 Florianopolis SC Brazil
| | - Claudia Sayer
- Department of Chemical Engineering and Food Engineering; Federal University of Santa Catarina; CEP 88040 900 Florianopolis SC Brazil
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46
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Aschenbrenner E, Bley K, Koynov K, Makowski M, Kappl M, Landfester K, Weiss CK. Using the polymeric ouzo effect for the preparation of polysaccharide-based nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:8845-8855. [PMID: 23777243 DOI: 10.1021/la4017867] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The polymeric ouzo effect, a nanoprecipitation process, is used for the preparation of polysaccharide-based nanoparticles. Dextran, pullulan, and starch were esterified with hydrophobic carboxylic acid anhydrides to obtain hydrophobic polysaccharides, which are insoluble in water. The additional introduction of methacroyl residues offers the possibility to cross-link the generated nanostructures, which become insoluble in organic solvents. To make use of the ouzo effect for the formation of nanoparticles, the polymer has to be soluble in an organic solvent, which is miscible with water. Here, acetone and THF were used. Immediately after the organic polymer solution is added to water, nanoparticles are generated. The size of the nanoparticles can be adjusted between 50 and 200 nm by changing the concentration of the initial polysaccharide solution. The degree of hydrophobic substitution was shown to have a very minor effect on the particle size. Dispersions with solids contents of up to 2% were obtained. Furthermore, the mechanical properties of the nanoparticles were investigated with force microscopy, and it was shown by fluorescence correlation spectroscopy that a fluorescent dye could be encapsulated in the nanoparticles by the applied nanoprecipitation procedure.
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47
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Preparation of PDMS-ormosil and its application in miniemulsion polymerization. Colloid Polym Sci 2013. [DOI: 10.1007/s00396-012-2862-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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48
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Enzymatic Catalysis at Interfaces—Heterophase Systems as Substrates for Enzymatic Action. Catalysts 2013. [DOI: 10.3390/catal3020401] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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49
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Li Y, Dong M, Kong J, Chai Z, Fu G. Synthesis of Fe3O4@poly(methacrylic acid) core–shell submicrospheres via RAFT precipitation polymerization. J Colloid Interface Sci 2013; 394:199-207. [DOI: 10.1016/j.jcis.2012.12.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2012] [Revised: 12/05/2012] [Accepted: 12/05/2012] [Indexed: 11/30/2022]
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50
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Riazi H, Mohammadi N, Mohammadi H. Emulsion Copolymerization of Methyl Methacrylate/Butyl Acrylate/Iodine System to Monosize Rubbery Nanoparticles Containing Iodine and Triiodide Mixture. Ind Eng Chem Res 2013. [DOI: 10.1021/ie303063b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Hossein Riazi
- Loghman
Fundamental Research Group, Department of Polymer
Engineering and Color Technology, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Naser Mohammadi
- Loghman
Fundamental Research Group, Department of Polymer
Engineering and Color Technology, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Hadi Mohammadi
- Loghman
Fundamental Research Group, Department of Polymer
Engineering and Color Technology, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
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