1
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Hoang S, Olivier S, Cuenot S, Montillet A, Bellettre J, Ishow E. Microfluidic Assisted Flash Precipitation of Photocrosslinkable Fluorescent Organic Nanoparticles for Fine Size Tuning and Enhanced Photoinduced Processes. Chemphyschem 2020; 21:2502-2515. [PMID: 33073929 DOI: 10.1002/cphc.202000633] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 09/27/2020] [Indexed: 01/05/2023]
Abstract
Highly concentrated dispersions of fluorescent organic nanoparticles (FONs), broadly used for optical tracking, bioimaging and drug delivery monitoring, are obtained using a newly designed micromixer chamber involving high impacting flows. Fine size tuning and narrow size distributions are easily obtained by varying independently the flow rates of the injected fluids and the concentration of the dye stock solution. The flash nanoprecipitation process employed herein is successfully applied to the fabrication of bicomposite FONs designed to allow energy transfer. Considerable enhancement of the emission signal of the energy acceptors is promoted and its origin is found to result from polarity rather than steric effects. Finally, we exploit the high spatial confinement encountered in FONs and their ability to encapsulate hydrophobic photosensitizers to induce photocrosslinking. An increase in the photocrosslinked FON stiffness is evidenced by measuring the elastic modulus at the nanoscale using atomic force microscopy. These results pave the way toward the straightforward fabrication of multifunctional and mechanically photoswitchable FONs, opening novel opportunities in sensing, multimodal imaging, and theranostics.
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Affiliation(s)
- Stéphane Hoang
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322, Nantes, France
| | - Simon Olivier
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322, Nantes, France.,Current address: Air Liquide, Air Liquide Facility, 28 Wadai, Tsukuba, Ibaraki, 300-4247, Japan
| | - Stéphane Cuenot
- Université de Nantes, CNRS, Institut des Matériaux Jean Rouxel, IMN, F-44000, Nantes, France
| | - Agnès Montillet
- GEPEA UMR CNRS 6144, IUT Saint Nazaire, Université de Nantes, 58 rue Michel Ange, 44600, Saint Nazaire, France
| | - Jérôme Bellettre
- LTeN UMR CNRS 6607, Polytech Nantes, Université de Nantes, rue Christian Pauc, 44306, Nantes, France
| | - Eléna Ishow
- CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322, Nantes, France
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2
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Muñoz‐Espí R, Landfester K. Low-Temperature Miniemulsion-Based Routes for Synthesis of Metal Oxides. Chemistry 2020; 26:9304-9313. [PMID: 32441349 PMCID: PMC7496421 DOI: 10.1002/chem.202001246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Indexed: 11/26/2022]
Abstract
The use of miniemulsions containing chemical precursors in the disperse phase is a versatile method to produce nanoparticles and nanostructures of different chemical nature, including not only polymers, but also a variety of inorganic materials. This Minireview focuses on materials in which nanostructures of metal oxides are synthesized in processes that involve the miniemulsion technique in any of the steps. This includes in the first place those approaches in which the spaces provided by nanodroplets are directly used to confine precipitation reactions that lead eventually to oxides. On the other hand, miniemulsions can also be used to form functionalized polymer nanoparticles that can serve either as supports or as controlling agents for the synthesis of metal oxides. Herein, the description of essential aspects of the methods is combined with the most representative examples reported in the last years for each strategy.
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Affiliation(s)
- Rafael Muñoz‐Espí
- Institute of Materials Science (ICMUV)Universitat de Valènciac/ Catedràtic José Beltrán 246980PaternaSpain
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3
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Tan C, Lee MC, Arshadi M, Azizi M, Abbaspourrad A. A Spiderweb‐Like Metal–Organic Framework Multifunctional Foam. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chen Tan
- Department of Food ScienceCornell University Stocking Hall Ithaca NY 14853 USA
| | - Michelle C. Lee
- Department of Food ScienceCornell University Stocking Hall Ithaca NY 14853 USA
| | - Mohammad Arshadi
- Department of Food ScienceCornell University Stocking Hall Ithaca NY 14853 USA
| | - Morteza Azizi
- Department of Food ScienceCornell University Stocking Hall Ithaca NY 14853 USA
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4
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Tan C, Lee MC, Arshadi M, Azizi M, Abbaspourrad A. A Spiderweb-Like Metal-Organic Framework Multifunctional Foam. Angew Chem Int Ed Engl 2020; 59:9506-9513. [PMID: 32083777 DOI: 10.1002/anie.201916211] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Indexed: 11/08/2022]
Abstract
Processing metal-organic frameworks (MOFs) into hierarchical macroscopic materials can greatly extend their practical applications. However, current strategies suffer from severe aggregation of MOFs and limited tuning of the hierarchical porous network. Now, a strategy is presented that can simultaneously tune the MOF loading, composition, spatial distribution, and confinement within various bio-originated macroscopic supports, as well as control the accessibility, robustness, and formability of the support itself. This method enables the good dispersion of individual MOF nanoparticles on a spiderweb-like network within each macrovoid even at high loadings (up to 86 wt %), ensuring the foam pores are highly accessible for excellent adsorption and catalytic capacity. Additionally, this approach allows the direct pre-incorporation of other functional components into the framework. This strategy provides precise control over the properties of both the hierarchical support and MOF.
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Affiliation(s)
- Chen Tan
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA
| | - Michelle C Lee
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA
| | - Mohammad Arshadi
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA
| | - Morteza Azizi
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA
| | - Alireza Abbaspourrad
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA
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5
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Wang G, Zhou L, Zhang P, Zhao E, Zhou L, Chen D, Sun J, Gu X, Yang W, Tang BZ. Fluorescence Self-Reporting Precipitation Polymerization Based on Aggregation-Induced Emission for Constructing Optical Nanoagents. Angew Chem Int Ed Engl 2020; 59:10122-10128. [PMID: 31828915 DOI: 10.1002/anie.201913847] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/07/2019] [Indexed: 12/30/2022]
Abstract
Precipitation polymerization is becoming increasingly popular in energy, environment and biomedicine. However, its proficient utilization highly relies on the mechanistic understanding of polymerization process. Now, a fluorescence self-reporting method based on aggregation-induced emission (AIE) is used to shed light on the mechanism of precipitation polymerization. The nucleation and growth processes during the copolymerization of a vinyl-modified AIEgen, styrene, and maleic anhydride can be sensitively monitored in real time. The phase-separation and dynamic hardening processes can be clearly discerned by tracking fluorescence changes. Moreover, polymeric fluorescent particles (PFPs) with uniform and tunable sizes can be obtained in a self-stabilized manner. These PFPs exhibit biolabeling and photosensitizing abilities and are used as superior optical nanoagents for photo-controllable immunotherapy, indicative of their great potential in biomedical applications.
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Affiliation(s)
- Guan Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Liangyu Zhou
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Pengfei Zhang
- Guangdong Key Laboratory of Nanomedicine, Shenzhen, Engineering Laboratory of Nanomedicine and Nanoformulations, CAS Key Lab for Health Informatics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen, 518055, P. R. China
| | - Engui Zhao
- School of Chemical Engineering and Energy Technology, Dongguan University of Technology, 1st University Road, Songshan Lake District, Dongguan, 523808, China
| | - Lihua Zhou
- Guangdong Key Laboratory of Nanomedicine, Shenzhen, Engineering Laboratory of Nanomedicine and Nanoformulations, CAS Key Lab for Health Informatics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen, 518055, P. R. China
| | - Dong Chen
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Jiangman Sun
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Xinggui Gu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Wantai Yang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
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6
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Wang G, Zhou L, Zhang P, Zhao E, Zhou L, Chen D, Sun J, Gu X, Yang W, Tang BZ. Fluorescence Self‐Reporting Precipitation Polymerization Based on Aggregation‐Induced Emission for Constructing Optical Nanoagents. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913847] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Guan Wang
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringCollege of Materials Science and EngineeringState Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology North Third Ring Road 15, Chaoyang District Beijing 100029 China
| | - Liangyu Zhou
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringCollege of Materials Science and EngineeringState Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology North Third Ring Road 15, Chaoyang District Beijing 100029 China
| | - Pengfei Zhang
- Guangdong Key Laboratory of Nanomedicine, ShenzhenEngineering Laboratory of Nanomedicine and NanoformulationsCAS Key Lab for Health InformaticsShenzhen Institutes of Advanced TechnologyChinese Academy of Sciences 1068 Xueyuan Avenue Shenzhen University Town Shenzhen 518055 P. R. China
| | - Engui Zhao
- School of Chemical Engineering and Energy TechnologyDongguan University of Technology 1st University Road, Songshan Lake District Dongguan 523808 China
| | - Lihua Zhou
- Guangdong Key Laboratory of Nanomedicine, ShenzhenEngineering Laboratory of Nanomedicine and NanoformulationsCAS Key Lab for Health InformaticsShenzhen Institutes of Advanced TechnologyChinese Academy of Sciences 1068 Xueyuan Avenue Shenzhen University Town Shenzhen 518055 P. R. China
| | - Dong Chen
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringCollege of Materials Science and EngineeringState Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology North Third Ring Road 15, Chaoyang District Beijing 100029 China
| | - Jiangman Sun
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringCollege of Materials Science and EngineeringState Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology North Third Ring Road 15, Chaoyang District Beijing 100029 China
| | - Xinggui Gu
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringCollege of Materials Science and EngineeringState Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology North Third Ring Road 15, Chaoyang District Beijing 100029 China
| | - Wantai Yang
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringCollege of Materials Science and EngineeringState Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology North Third Ring Road 15, Chaoyang District Beijing 100029 China
| | - Ben Zhong Tang
- Department of ChemistryHong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and ReconstructionInstitute for Advanced StudyThe Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong China
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7
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Pinheiro PC, Daniel-da-Silva AL, Nogueira HIS, Trindade T. Functionalized Inorganic Nanoparticles for Magnetic Separation and SERS Detection of Water Pollutants. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800132] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Paula C. Pinheiro
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
| | | | | | - Tito Trindade
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
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8
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Wolf S, Feldmann C. Mikroemulsionen: neue Möglichkeiten zur Erweiterung der Synthese anorganischer Nanopartikel. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604263] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Silke Wolf
- Institut für Anorganische Chemie; Karlsruher Institut für Technologie (KIT); Engesserstraße 15 76131 Karlsruhe Deutschland
| | - Claus Feldmann
- Institut für Anorganische Chemie; Karlsruher Institut für Technologie (KIT); Engesserstraße 15 76131 Karlsruhe Deutschland
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9
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Wolf S, Feldmann C. Microemulsions: Options To Expand the Synthesis of Inorganic Nanoparticles. Angew Chem Int Ed Engl 2016; 55:15728-15752. [DOI: 10.1002/anie.201604263] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Silke Wolf
- Institut für Anorganische Chemie; Karlsruhe Institute of Technology (KIT); Engesserstrasse 15 76131 Karlsruhe Germany
| | - Claus Feldmann
- Institut für Anorganische Chemie; Karlsruhe Institute of Technology (KIT); Engesserstrasse 15 76131 Karlsruhe Germany
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10
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Huang T, Xu L, Wang C, Yin Z, Qiu D. Sonication-Aided Formation of Hollow Hybrid Nanoparticles as High-Efficiency Absorbents for Dissolved Toluene in Water. Chem Asian J 2015; 11:280-4. [DOI: 10.1002/asia.201501027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 10/09/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Ting Huang
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100190 China
| | - Liju Xu
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100190 China
| | - Chen Wang
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100190 China
| | - Zheng Yin
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100190 China
| | - Dong Qiu
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
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11
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Baier G, Winzen S, Messerschmidt C, Frank D, Fichter M, Gehring S, Mailänder V, Landfester K. Heparin-based nanocapsules as potential drug delivery systems. Macromol Biosci 2015; 15:765-76. [PMID: 25765603 DOI: 10.1002/mabi.201500035] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 02/15/2015] [Indexed: 11/09/2022]
Abstract
Herein, the synthesis and characterization of heparin-based nanocapsules (NCs) as potential drug delivery systems is described. For the synthesis of the heparin-based NCs, the versatile method of miniemulsion polymerization at the droplets interface was achieved resulting in narrowly distributed NCs with 180 nm in diameter. Scanning and transmission electron microscopy images showed clearly NC morphology. A highly negative charge density for the heparin-based NCs was determined by measuring the electro-kinetic potential. Measuring the activated clotting time demonstrated the biological intactness of the polymeric shell. The ability of heparin-based NCs to bind to antithrombin (AT III) was investigated using isothermal titration calorimetry and dynamic light scattering experiments. The chemical stability of the NCs was studied in physiological protein-containing solutions and also in medically interesting fluids such as sodium chloride 0.9%, Ringer's solution, and phosphate buffer saline using dynamic light scattering and measuring the fluorescence intensity. The impressive uptake of NCs in different cells was confirmed by fluorescence-activated cell sorting, confocal laser scanning microscopy, and transmission electron microscopy. The low toxicity of all types of NCs was demonstrated.
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Affiliation(s)
- Grit Baier
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz, 55128, Germany
| | - Svenja Winzen
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz, 55128, Germany
| | | | - Daniela Frank
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz, 55128, Germany
| | - Michael Fichter
- University Medicine of the Johannes Gutenberg University, Children's Hospital, Langenbeckstr. 1, Mainz, 55131, Germany
| | - Stephan Gehring
- University Medicine of the Johannes Gutenberg University, Children's Hospital, Langenbeckstr. 1, Mainz, 55131, Germany
| | - Volker Mailänder
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz, 55128, Germany.,University Medicine of the Johannes Gutenberg University, III. Medical Clinic, Langenbeckstr. 1, Mainz, 55131, Germany
| | - Katharina Landfester
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz, 55128, Germany.
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12
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Zhang K, Geissler A, Chen X, Rosenfeldt S, Yang Y, Förster S, Müller-Plathe F. Polymeric Flower-Like Microparticles from Self-Assembled Cellulose Stearoyl Esters. ACS Macro Lett 2015; 4:214-219. [PMID: 35596410 DOI: 10.1021/mz500788e] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Flower-like particles (FLPs) with hierarchical surface architectures have recently attracted considerable attention due to their potentially wide application range. Hitherto, nearly all FLPs were fabricated using inorganic compounds, while versatile organic polymers have not received sufficient attention yet. Herein, we show the construction of novel organic, polymeric FLPs with diameters of 2.5-5 μm using cellulose stearoyl esters (CSEs) by means of the crystallization of side chains. CSEs with degrees of substitution of approximately 3 were transformed into FLPs during the gradual precipitation of polymer chains from the mixture of their solutions in dichloromethane (DCM) and a nonsolvent, which is driven by the evaporation of DCM. Ordered petal-like nanostructures were formed on the particle surface through the crystallization of side chains. Finally, partially crystalline FLPs containing lamellar structures were obtained. Moreover, the formation process was strongly affected by the molecular weight of CSE, concentrations of CSE solutions and the volume ratio between DCM and nonsolvents.
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Affiliation(s)
- Kai Zhang
- Ernst-Berl-Institute
for Chemical Engineering and Macromolecular Science, Technische Universität Darmstadt, Alarich-Weiss-Str. 8, 64287 Darmstadt, Germany
| | - Andreas Geissler
- Ernst-Berl-Institute
for Chemical Engineering and Macromolecular Science, Technische Universität Darmstadt, Alarich-Weiss-Str. 8, 64287 Darmstadt, Germany
| | - Xuelian Chen
- Physical
Chemistry I, University of Bayreuth, Universitätsstrasse 30, 95440 Bayreuth, Germany
| | - Sabine Rosenfeldt
- Physical
Chemistry I, University of Bayreuth, Universitätsstrasse 30, 95440 Bayreuth, Germany
| | - Yongbiao Yang
- Eduard-Zintl-Institute
for Inorganic and Physical Chemistry, Technische Universität Darmstadt, Alarich-Weiss-Str. 4, 64287 Darmstadt, Germany
| | - Stephan Förster
- Physical
Chemistry I, University of Bayreuth, Universitätsstrasse 30, 95440 Bayreuth, Germany
| | - Florian Müller-Plathe
- Eduard-Zintl-Institute
for Inorganic and Physical Chemistry, Technische Universität Darmstadt, Alarich-Weiss-Str. 4, 64287 Darmstadt, Germany
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13
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Jalal TA, Charry Prada ID, Tayouo R, Giannelis EP, Nunes SP. Reactive phase inversion for manufacture of asymmetric poly (ether imide sulfone) membranes. REACT FUNCT POLYM 2014. [DOI: 10.1016/j.reactfunctpolym.2014.09.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Hofmeister I, Landfester K, Taden A. Controlled Formation of Polymer Nanocapsules with High Diffusion‐Barrier Properties and Prediction of Encapsulation Efficiency. Angew Chem Int Ed Engl 2014; 54:327-30. [DOI: 10.1002/anie.201408393] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Indexed: 11/12/2022]
Affiliation(s)
- Ines Hofmeister
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz (Germany)
- Henkel AG & Co. KGaA, Adhesive Research, Henkelstrasse 67, 40191 Düsseldorf (Germany)
| | - Katharina Landfester
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz (Germany)
| | - Andreas Taden
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz (Germany)
- Henkel AG & Co. KGaA, Adhesive Research, Henkelstrasse 67, 40191 Düsseldorf (Germany)
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15
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Hofmeister I, Landfester K, Taden A. Kontrollierte Bildung von polymeren Nanokapseln mit hoher Barriere und Vorhersage der Verkapselungseffizienz. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408393] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ines Hofmeister
- Max‐Planck‐Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz (Deutschland)
- Henkel AG & Co. KGaA, Adhesive Research, Henkelstraße 67, 40191 Düsseldorf (Deutschland)
| | - Katharina Landfester
- Max‐Planck‐Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz (Deutschland)
| | - Andreas Taden
- Max‐Planck‐Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz (Deutschland)
- Henkel AG & Co. KGaA, Adhesive Research, Henkelstraße 67, 40191 Düsseldorf (Deutschland)
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16
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Wang H, Xie H, Wu J, Wei X, Zhou L, Xu X, Zheng S. Structure-based rational design of prodrugs to enable their combination with polymeric nanoparticle delivery platforms for enhanced antitumor efficacy. Angew Chem Int Ed Engl 2014; 53:11532-7. [PMID: 25196427 PMCID: PMC4225468 DOI: 10.1002/anie.201406685] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 08/10/2014] [Indexed: 11/12/2022]
Abstract
Drug-loaded nanoparticles (NPs) are of particular interest for efficient cancer therapy due to their improved drug delivery and therapeutic index in various types of cancer. However, the encapsulation of many chemotherapeutics into delivery NPs is often hampered by their unfavorable physicochemical properties. Here, we employed a drug reform strategy to construct a small library of SN-38 (7-ethyl-10-hydroxycamptothecin)-derived prodrugs, in which the phenolate group was modified with a variety of hydrophobic moieties. This esterification fine-tuned the polarity of the SN-38 molecule and enhanced the lipophilicity of the formed prodrugs, thereby inducing their self-assembly into biodegradable poly(ethylene glycol)-block-poly(d,l-lactic acid) (PEG-PLA) nanoparticulate structures. Our strategy combining the rational engineering of prodrugs with the pre-eminent features of conventionally used polymeric materials should open new avenues for designing more potent drug delivery systems as a therapeutic modality.
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Affiliation(s)
- Hangxiang Wang
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
| | - Haiyang Xie
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
| | - Jiaping Wu
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
| | - Xuyong Wei
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
| | - Lin Zhou
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
| | - Xiao Xu
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
| | - Shusen Zheng
- First Affiliated Hospital, School of Medicine, Zhejiang University, Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ TransplantationZhejiang Province, Hangzhou, 310003 (PR China)
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17
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Sultanova ED, Krasnova EG, Kharlamov SV, Nasybullina GR, Yanilkin VV, Nizameev IR, Kadirov MK, Mukhitova RK, Zakharova LY, Ziganshina AY, Konovalov AI. Thermoresponsive Polymer Nanoparticles Based on Viologen Cavitands. Chempluschem 2014. [DOI: 10.1002/cplu.201402221] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Elza D. Sultanova
- Department of Calixarene Chemistry, A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Ekaterina G. Krasnova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Sergey V. Kharlamov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Gulnaz R. Nasybullina
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Vitaly V. Yanilkin
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Irek R. Nizameev
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Marsil K. Kadirov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Rezeda K. Mukhitova
- Department of Calixarene Chemistry, A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Lucia Y. Zakharova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Albina Y. Ziganshina
- Department of Calixarene Chemistry, A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
| | - Alexander I. Konovalov
- Department of Calixarene Chemistry, A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, IOPC, Arbuzov str. 8, 420088 Kazan (Russia)
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18
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Wang H, Xie H, Wu J, Wei X, Zhou L, Xu X, Zheng S. Structure-Based Rational Design of Prodrugs To Enable Their Combination with Polymeric Nanoparticle Delivery Platforms for Enhanced Antitumor Efficacy. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406685] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Pietrzak-Nguyen A, Fichter M, Dedters M, Pretsch L, Gregory SH, Meyer C, Doganci A, Diken M, Landfester K, Baier G, Gehring S. Enhanced in vivo targeting of murine nonparenchymal liver cells with monophosphoryl lipid A functionalized microcapsules. Biomacromolecules 2014; 15:2378-88. [PMID: 24901387 DOI: 10.1021/bm5006728] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A broad spectrum of infectious liver diseases emphasizes the need of microparticles for targeted delivery of immunomodulatory substances to the liver. Microcapsules (MCs) are particularly attractive for innovative drug and vaccine formulations, enabling the combination of antigen, drugs, and adjuvants. The present study aimed to develop microcapsules characterized by an enhanced liver deposition and accelerated uptake by nonparenchymal liver cells (NPCs). Initially, two formulations of biodegradable microcapsules were synthesized from either hydroxyethyl starch (HES) or mannose. Notably, HES-MCs accumulated primarily in the liver, while mannose particles displayed a lung preference. Functionalization of HES-MCs with anti-CD40, anti-DEC205, and/or monophosphoryl lipid A (MPLA) enhanced uptake of MCs by nonparenchymal liver cells in vitro. In contrast, only MPLA-coated HES-MCs promoted significantly the in vivo uptake by NPCs. Finally, HES-MCs equipped with MPLA, anti-CD40, and anti-DEC205 induced the secretion of TNF-α, IL-6 by Kupffer cells (KCs), and IFN-γ and IL-12p70 by liver dendritic cells (DCs). The enhanced uptake and activation of KCs by MPLA-HES-MCs is a promising approach to prevent or treat infection, since KCs are exploited as an entry gate in various infectious diseases, such as malaria. In parallel, loading and activating liver DCs, usually prone to tolerance, bears the potential to induce antigen specific, intrahepatic immune responses necessary to prevent and treat infections affecting the liver.
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Affiliation(s)
- Anette Pietrzak-Nguyen
- Children's Hospital, University Medical Center, Johannes Gutenberg University , Mainz 55131, Germany
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20
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Weber A, Resch K. Thermotropic systems with fixed domains exhibiting enhanced overheating protection performance. J Appl Polym Sci 2014. [DOI: 10.1002/app.40417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Andreas Weber
- Polymer Competence Center Leoben GmbH; Roseggerstrasse 12 8700 Leoben Austria
| | - Katharina Resch
- Materials Science and Testing of Polymers; Department Polymer Engineering and Science; University of Leoben; Otto Glöckel-Strasse 2 8700 Leoben Austria
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21
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Baier G, Cavallaro A, Friedemann K, Müller B, Glasser G, Vasilev K, Landfester K. Enzymatic degradation of poly(l-lactide) nanoparticles followed by the release of octenidine and their bactericidal effects. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2014; 10:131-9. [DOI: 10.1016/j.nano.2013.07.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 06/07/2013] [Accepted: 07/05/2013] [Indexed: 10/26/2022]
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22
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Fichter M, Baier G, Dedters M, Pretsch L, Pietrzak-Nguyen A, Landfester K, Gehring S. Nanocapsules generated out of a polymeric dexamethasone shell suppress the inflammatory response of liver macrophages. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2013; 9:1223-34. [DOI: 10.1016/j.nano.2013.05.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 04/29/2013] [Accepted: 05/13/2013] [Indexed: 01/16/2023]
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23
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Chen CY, Chen CT. Reaction-based and single fluorescent emitter decorated ratiometric nanoprobe to detect hydrogen peroxide. Chemistry 2013; 19:16050-7. [PMID: 24123627 DOI: 10.1002/chem.201302342] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Indexed: 01/28/2023]
Abstract
A novel reaction-based cross-linked polymeric nanoprobe with a self-calibrating ratiometric fluorescence readout to selectively detect H2O2 is reported. The polymeric nanoprobe is fabricated by using hydrophobic H2O2-reactive boronic ester groups, crosslinker units, and environmentally sensitive 3-hydroxyflavone fluorophores through a miniemulsion polymerization. On treatment with H2O2, the boronic esters in the polymer are cleaved to form hydrophilic alcohols and subsequently lead to a hydrophobic-hydrophilic transition. Covalently linked 3-hydroxyflavones manifest the change in polarity as a ratiometric transition from green to blue, accompanied by a 500-fold increase in volume. Furthermore, this nanoprobe has been used for ratiometric sensing of glucose by monitoring the H2O2 generated during the oxidation of glucose by glucose oxidase, and thus successfully distinguished between normal and pathological levels of glucose.
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Affiliation(s)
- Chun-Yen Chen
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617 Taiwan (R.O.C.), Fax: (+886) 2-23636359
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24
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Weber A, Schmid A, Resch K. Thermotropic glazings for overheating protection. II. morphology and structure-property relationships. J Appl Polym Sci 2013. [DOI: 10.1002/app.39910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Andreas Weber
- Polymer Competence Center; Leoben GmbH; Roseggerstrasse 12, 8700 Leoben Austria
| | - Andrea Schmid
- Materials Science and Testing of Polymers, Department Polymer Engineering and Science; University of Leoben; Otto Glöckel-Strasse 2, 8700 Leoben Austria
| | - Katharina Resch
- Materials Science and Testing of Polymers, Department Polymer Engineering and Science; University of Leoben; Otto Glöckel-Strasse 2, 8700 Leoben Austria
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25
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Ethirajan A, Punniyakoti S, D'Olieslaeger M, Wagner P, Boyen HG. Ultrafast Self-Assembly Using Ultrasound: A Facile Route to the Rapid Fabrication of Well-Ordered Dense Arrays of Inorganic Nanostructures. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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26
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Ethirajan A, Punniyakoti S, D'Olieslaeger M, Wagner P, Boyen HG. Ultrafast Self-Assembly Using Ultrasound: A Facile Route to the Rapid Fabrication of Well-Ordered Dense Arrays of Inorganic Nanostructures. Angew Chem Int Ed Engl 2013; 52:9709-13. [DOI: 10.1002/anie.201301980] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 06/09/2013] [Indexed: 11/10/2022]
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27
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Bannwarth MB, Kazer SW, Ulrich S, Glasser G, Crespy D, Landfester K. Well-Defined Nanofibers with Tunable Morphology from Spherical Colloidal Building Blocks. Angew Chem Int Ed Engl 2013; 52:10107-11. [DOI: 10.1002/anie.201302133] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Indexed: 11/12/2022]
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28
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Bannwarth MB, Kazer SW, Ulrich S, Glasser G, Crespy D, Landfester K. Definierte Nanofasern mit einstellbarer Morphologie aus sphärischen Kolloidbausteinen. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302133] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Baier G, Cavallaro A, Vasilev K, Mailänder V, Musyanovych A, Landfester K. Enzyme Responsive Hyaluronic Acid Nanocapsules Containing Polyhexanide and Their Exposure to Bacteria To Prevent Infection. Biomacromolecules 2013; 14:1103-12. [DOI: 10.1021/bm302003m] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Grit Baier
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz,
Germany
| | - Alex Cavallaro
- Mawson Institute, University of South Australia, Mawson Lakes SA 5095,
Australia
| | - Krasimir Vasilev
- Mawson Institute, University of South Australia, Mawson Lakes SA 5095,
Australia
| | - Volker Mailänder
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz,
Germany
- IIIrd Medical Clinic,
Hematology,
Oncology and Pulmonology, University Medicine of the Johannes Gutenberg University, Mainz, Langenbeckstrasse
1, 55131 Mainz, Germany
| | - Anna Musyanovych
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz,
Germany
| | - Katharina Landfester
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz,
Germany
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30
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Patra A, Scherf U. Fluorescent Microporous Organic Polymers: Potential Testbed for Optical Applications. Chemistry 2012; 18:10074-80. [DOI: 10.1002/chem.201200804] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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31
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Sauer R, Froimowicz P, Schöller K, Cramer JM, Ritz S, Mailänder V, Landfester K. Design, synthesis, and miniemulsion polymerization of new phosphonate surfmers and application studies of the resulting nanoparticles as model systems for biomimetic mineralization and cellular uptake. Chemistry 2012; 18:5201-12. [PMID: 22461235 DOI: 10.1002/chem.201103256] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2011] [Indexed: 11/06/2022]
Abstract
Heterophase polymerizations have gained increasing attention in the past decades, especially as the decoration and functionalization of the particle surface for further applications gets more and more into focus. One promising approach for the functionalization exclusively on the particle surface is the use of surfmers (surfactant and monomer). Herein, we present the synthesis of a new family of surfmers and their use for decorating nanoparticles with phosphonate groups through miniemulsion polymerization. Furthermore the synthesis of a dye-labeled functional surfmer provided an elegant manner to evaluate and get deeper insights about its copolymerization. Additionally, potential applications of the synthesized particles in biological studies as well as their use as template for biomimetic mineralization are presented.
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Affiliation(s)
- Rüdiger Sauer
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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32
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Performing Encapsulation of dsDNA and a Polymerase Chain Reaction (PCR) inside Nanocontainers Using the Inverse Miniemulsion Process. Int J Artif Organs 2012; 35:77-83. [DOI: 10.5301/ijao.5000076] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2011] [Indexed: 11/20/2022]
Abstract
We report the encapsulation of dsDNA molecules with a defined number of base pairs (476 bp and 790 bp) and their subsequent amplification by polymerase chain reaction (PCR) inside nanosized polymeric capsules/droplets. In the first set of experiments, the dsDNA template and PCR reagents were encapsulated in crosslinked potato starch using the inverse (water-in-oil) miniemulsion technique. After redispersion of the capsules in a water-surfactant mixture, PCR was performed inside the crosslinked starch nanocapsules. In the second set of experiments, the PCR was performed inside the aqueous nanodroplets before capsule formation, and then each miniemulsion droplet was covered with a polybutylcyanoacrylate (PBCA) shell which was formed through anionic polymerization directly at the droplet interface. The PCR efficiency was quantitatively evaluated by fluorescence spectroscopy, using a DNA-specific dye called SYBR® Green which intercalates between the base pairs of the dsDNA.
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33
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Siebert JM, Baumann D, Zeller A, Mailänder V, Landfester K. Synthesis of polyester nanoparticles in miniemulsion obtained by radical ring-opening of BMDO and their potential as biodegradable drug carriers. Macromol Biosci 2011; 12:165-75. [PMID: 22083732 DOI: 10.1002/mabi.201100236] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 09/12/2011] [Indexed: 01/10/2023]
Abstract
5,6-Benzo-2-methylene-1,3-dioxepane (BMDO) is used to obtain degradable polymeric nanoparticles via a statistical free-radical copolymerization with MMA and styrene in direct miniemulsion. The nanoparticles are analyzed by means of IR, NMR, DLS, SEM, and TEM. They show excellent cellular uptake and drug delivery properties. The cellular uptake into HeLa cells of particles resulting from copolymerization of BMDO with styrene is drastically enhanced compared to pure polystyrene. As a model drug system, paclitaxel is incorporated in PBMDO particles and its release and the effect on HeLa cells is studied and compared to commercial drug formulations. It is found that a drug delivery system based on PBMDO shows an excellent pharmacological effect.
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Froimowicz P, Klinger D, Landfester K. Photoreactive Nanoparticles as Nanometric Building Blocks for the Generation of Self-Healing Hydrogel Thin Films. Chemistry 2011; 17:12465-75. [DOI: 10.1002/chem.201100685] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Indexed: 11/11/2022]
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35
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Abstract
In biosciences, it is often necessary to follow the pathway of nanoparticles within cells or tissues. The nanoparticles can be used as labeled sensors which may, e.g., address functionalities within a cell, carry other specific agents like drugs or be magnetic for tumor thermotherapy. In the context of nanotoxicology, the fate of a given nanoparticle is of interest. As many methods in cell biology are based on fluorescence detection, there is a strong demand to make nanoparticles fluorescent. Different ways to introduce fluorescence are reviewed and exemplified with typical kinds of nanoparticles, i.e. polymers, silica and calcium phosphate.
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Affiliation(s)
- Viktoriya Sokolova
- Institute of Inorganic Chemistry, University of Duisburg-Essen, Campus Essen and Center for Nanointegration Duisburg-Essen (CeNIDE), Universitaetsstr. 5-7, 45117 Essen, Germany
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36
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Papp I, Sieben C, Sisson AL, Kostka J, Böttcher C, Ludwig K, Herrmann A, Haag R. Inhibition of Influenza Virus Activity by Multivalent Glycoarchitectures with Matched Sizes. Chembiochem 2011; 12:887-95. [DOI: 10.1002/cbic.201000776] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Indexed: 01/26/2023]
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37
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Ethirajan A, Landfester K. Functional Hybrid Materials with Polymer Nanoparticles as Templates. Chemistry 2010; 16:9398-412. [DOI: 10.1002/chem.201001477] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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38
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39
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