1
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Kaur K, Müller M, Müller M, Schönherr H. Photodynamic Eradication of Pseudomonas aeruginosa with Ru-Photosensitizers Encapsulated in Enzyme Degradable Nanocarriers. Pharmaceutics 2023; 15:2683. [PMID: 38140023 PMCID: PMC10747122 DOI: 10.3390/pharmaceutics15122683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
The development of new approaches for the treatment of the increasingly antibiotic-resistant pathogen Pseudomonas aeruginosa was targeted by enhancing the effect of local antimicrobial photodynamic therapy (aPDT) using poly(ethylene glycol)-block-poly(lactic acid) (PEG114-block-PLAx) nanocarriers that were loaded with a ruthenium-based photosensitizer (PS). The action of tris(1,10-phenanthroline) ruthenium (II) bis(hexafluorophosphate) (RuPhen3) encapsulated in PEG114-block-PLAx micelles and vesicles was shown to result in an appreciable aPDT inactivation efficiency against planktonic Pseudomonas aeruginosa. In particular, the encapsulation of the PS, its release, and the efficiency of singlet oxygen (1O2) generation upon irradiation with blue light were studied spectroscopically. The antimicrobial effect was analyzed with two strains of Pseudomonas aeruginosa. Compared with PS-loaded micelles, formulations of the PS-loaded vesicles showed 10 times enhanced activity with a strong photodynamic inactivation effect of at least a 4.7 log reduction against both a Pseudomonas aeruginosa lab strain and a clinical isolate collected from the lung of a cystic fibrosis (CF) patient. This work lays the foundation for the targeted eradication of Pseudomonas aeruginosa using aPDT in various medical application areas.
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Affiliation(s)
| | | | - Mareike Müller
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Department of Chemistry and Biology, School of Science and Technology, University of Siegen, 57076 Siegen, Germany (M.M.)
| | - Holger Schönherr
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Department of Chemistry and Biology, School of Science and Technology, University of Siegen, 57076 Siegen, Germany (M.M.)
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2
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Peng L, Gineste S, Coudret C, Ciuculescu-Pradines D, Benoît-Marquié F, Mingotaud C, Marty JD. Iron-based hybrid polyionic complexes as chemical reservoirs for the pH-triggered synthesis of Prussian blue nanoparticles. J Colloid Interface Sci 2023; 649:900-908. [PMID: 37390537 DOI: 10.1016/j.jcis.2023.06.136] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/01/2023] [Accepted: 06/19/2023] [Indexed: 07/02/2023]
Abstract
HYPOTHESIS Hybrid polyion complexes (HPICs) obtained from the complexation in aqueous solution of a double hydrophilic block copolymer and metal ions can act as efficient precursors for the controlled synthesis of nanoparticles. In particular, the possibility to control the availability of metal ions by playing on the pH conditions is of special interest to obtain nanoparticles with controlled size and composition. EXPERIMENTS HPICs based on Fe3+ ions were used to initiate the formation of Prussian blue (PB) nanoparticles in presence of potassium ferrocyanide in reaction media with varying pH values. FINDINGS Complexed Fe3+ ions within HPICs can be easily released by adjusting the pH value either through the addition of a base/acid or by using a merocyanine photoacid. This allows to modulate the reactivity of Fe3+ ions with potassium ferrocyanide present in solution. As a result, PB nanoparticles with different structures (core, core-shell), composition and controlled size are obtained.
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Affiliation(s)
- Liming Peng
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France
| | - Stéphane Gineste
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France
| | - Christophe Coudret
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France
| | - Diana Ciuculescu-Pradines
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France
| | - Florence Benoît-Marquié
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France
| | - Christophe Mingotaud
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France.
| | - Jean-Daniel Marty
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier 118, route de Narbonne, 31062 Toulouse Cedex 9, France.
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3
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Odnoroh M, Coutelier O, Mingotaud C, Destarac M, Marty JD. Diblock versus block-random copolymer architecture effect on physical properties of Gd 3+-based hybrid polyionic complexes. J Colloid Interface Sci 2023; 649:655-664. [PMID: 37369167 DOI: 10.1016/j.jcis.2023.06.116] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/09/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023]
Abstract
HYPOTHESIS Random insertion of vinylphosphonic acid (VPA) units into a of PEG-PAA block copolymer improves the chemical stability and properties of hybrid nanoobjects obtained from the complexation of the copolymer with metal ions. EXPERIMENTS Block polymers based on poly(acrylic acid) (PAA) and poly(ethylene glycol) (PEG) are modified by random insertion of 0 to 100 % of phosphonic acid functions in PAA block by a RAFT polymerization process. These polymers are then used to form hybrid polyionic complexes (HPICs) by complexation with gadolinium or europium ions. The properties of the obtained assemblies are evaluated by magnetic relaxivity, fluorescence and light scattering measurements. FINDINGS The insertion of VPA units within the PAA block increases the chemical stability of the hybrid micelles by maintaining their integrity even at low pH. This insertion also minimizes the exchange of ions between HPICs and the surrounding medium thanks to a strengthening of interactions toward lanthanide ions. When such systems are used as MRI contrast agents or luminescent probe, 50/50 AA/VPA composition appears to be a good compromise to achieve optimal relaxivity or luminescent properties while ensuring a good chemical stability.
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Affiliation(s)
- Maksym Odnoroh
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse, France
| | - Olivier Coutelier
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse, France
| | - Christophe Mingotaud
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse, France
| | - Mathias Destarac
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse, France.
| | - Jean-Daniel Marty
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse, France.
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4
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Yon M, Gibot L, Gineste S, Laborie P, Bijani C, Mingotaud C, Coutelier O, Desmoulin F, Pestourie C, Destarac M, Ciuculescu-Pradines D, Marty JD. Assemblies of poly( N-vinyl-2-pyrrolidone)-based double hydrophilic block copolymers triggered by lanthanide ions: characterization and evaluation of their properties as MRI contrast agents. NANOSCALE 2023; 15:3893-3906. [PMID: 36723163 DOI: 10.1039/d2nr04691a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Because of the formation of specific antibodies to poly(ethylene glycol) (PEG) leading to life-threatening side effects, there is an increasing need to develop alternatives to treatments and diagnostic methods based on PEGylated copolymers. Block copolymers comprising a poly(N-vinyl-2-pyrrolidone) (PVP) segment can be used for the design of such vectors without any PEG block. As an example, a poly(acrylic acid)-block-poly(N-vinyl-2-pyrrolidone) (PAA-b-PVP) copolymer with controlled composition and molar mass is synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization. Mixing this copolymer with lanthanide cations (Gd3+, Eu3+, Y3+) leads to the formation of hybrid polyion complexes with increased stability, preventing the lanthanide cytotoxicity and in vitro cell penetration. These new nanocarriers exhibit enhanced T1 MRI contrast, when intravenously administered into mice. No leaching of gadolinium ions is detected from such hybrid complexes.
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Affiliation(s)
- Marjorie Yon
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Laure Gibot
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Stéphane Gineste
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Pascale Laborie
- Plateforme scientifique et technique Institut de Chimie de Toulouse ICT - UAR 2599, Université de Toulouse, CNRS, Toulouse, France
| | | | - Christophe Mingotaud
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Olivier Coutelier
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Franck Desmoulin
- Toulouse NeuroImaging Center (ToNIC), Inserm, University of Toulouse-Paul Sabatier, Toulouse, France
- CREFRE-Anexplo, Université de Toulouse, Inserm, UT3, ENVT, Toulouse, France
| | - Carine Pestourie
- CREFRE-Anexplo, Université de Toulouse, Inserm, UT3, ENVT, Toulouse, France
| | - Mathias Destarac
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Diana Ciuculescu-Pradines
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Jean-Daniel Marty
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
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Belkhir K, Cerlati O, Heaugwane D, Tosi A, Benkhaled BT, Brient PL, Chatard C, Graillot A, Catrouillet S, Balor S, Goudounèche D, Payré B, Laborie P, Lim JH, Putaux JL, Vicendo P, Gibot L, Lonetti B, Mingotaud AF, Lapinte V. Synthesis and Self-Assembly of UV-Cross-Linkable Amphiphilic Polyoxazoline Block Copolymers: Importance of Multitechnique Characterization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:16144-16155. [PMID: 36516233 DOI: 10.1021/acs.langmuir.2c02896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In the nanomedicine field, there is a need to widen the availability of nanovectors to compensate for the increasingly reported side effects of poly(ethene glycol). Nanovectors enabling cross-linking can further optimize drug delivery. Cross-linkable polyoxazolines are therefore relevant candidates to address these two points. Here we present the synthesis of coumarin-functionalized poly(2-alkyl-2-oxazoline) block copolymers, namely, poly(2-methyl-2-oxazoline)-block-poly(2-phenyl-2-oxazoline) and poly(2-methyl-2-oxazoline)-block-poly(2-butyl-2-oxazoline). The hydrophilic ratio and molecular weights were varied in order to obtain a range of possible behaviors. Their self-assembly after nanoprecipitation or film rehydration was examined. The resulting nano-objects were fully characterized by transmission electron microscopy (TEM), cryo-TEM, multiple-angle dynamic and static light scattering. In most cases, the formation of polymer micelles was observed, as well as, in some cases, aggregates, which made characterization more difficult. Cross-linking was performed under UV illumination in the presence of a coumarin-bearing cross-linker based on polymethacrylate derivatives. Addition of the photo-cross-linker and cross-linking resulted in better-defined objects with improved stability in most cases.
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Affiliation(s)
- Kedafi Belkhir
- ICGM, Université de Montpellier, CNRS, ENSCM, 34090Montpellier, France
| | - Orélia Cerlati
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Diana Heaugwane
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Alice Tosi
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | | | | | - Camille Chatard
- Specific Polymers, 150 Avenue des Cocardières, 34160Castries, France
| | - Alain Graillot
- Specific Polymers, 150 Avenue des Cocardières, 34160Castries, France
| | - Sylvain Catrouillet
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Stéphanie Balor
- METi Platform, Université Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex, France
| | - Dominique Goudounèche
- CMEAB Université Toulouse III - Paul Sabatier, 133 Route de Narbonne, 31062Toulouse cedex, France
| | - Bruno Payré
- CMEAB Université Toulouse III - Paul Sabatier, 133 Route de Narbonne, 31062Toulouse cedex, France
| | - Pascale Laborie
- Technopolym, Institut de Chimie de Toulouse ICT-UAR 2599, Université Toulouse 3 - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Jia-Hui Lim
- Université Grenoble Alpes, CNRS, CERMAV, F-38000Grenoble, France
| | - Jean-Luc Putaux
- Université Grenoble Alpes, CNRS, CERMAV, F-38000Grenoble, France
| | - Patricia Vicendo
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Laure Gibot
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Barbara Lonetti
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Anne-Françoise Mingotaud
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Route de Narbonne, 31062Toulouse cedex 9, France
| | - Vincent Lapinte
- ICGM, Université de Montpellier, CNRS, ENSCM, 34090Montpellier, France
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6
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Chachanidze R, Xie K, Lyu J, Jaeger M, Leonetti M. Breakups of Chitosan Microcapsules in Extensional Flow. J Colloid Interface Sci 2022; 629:445-454. [DOI: 10.1016/j.jcis.2022.08.169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 10/14/2022]
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7
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Di Leone S, Kyropoulou M, Köchlin J, Wehr R, Meier WP, Palivan CG. Tailoring a Solvent-Assisted Method for Solid-Supported Hybrid Lipid-Polymer Membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:6561-6570. [PMID: 35580858 PMCID: PMC9161443 DOI: 10.1021/acs.langmuir.2c00204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/11/2022] [Indexed: 06/15/2023]
Abstract
Combining amphiphilic block copolymers and phospholipids opens new opportunities for the preparation of artificial membranes. The chemical versatility and mechanical robustness of polymers together with the fluidity and biocompatibility of lipids afford hybrid membranes with unique properties that are of great interest in the field of bioengineering. Owing to its straightforwardness, the solvent-assisted method (SA) is particularly attractive for obtaining solid-supported membranes. While the SA method was first developed for lipids and very recently extended to amphiphilic block copolymers, its potential to develop hybrid membranes has not yet been explored. Here, we tailor the SA method to prepare solid-supported polymer-lipid hybrid membranes by combining a small library of amphiphilic diblock copolymers poly(dimethyl siloxane)-poly(2-methyl-2-oxazoline) and poly(butylene oxide)-block-poly(glycidol) with phospholipids commonly found in cell membranes including 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine, 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoethanolamine, sphingomyelin, and 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-(glutaryl). The optimization of the conditions under which the SA method was applied allowed for the formation of hybrid polymer-lipid solid-supported membranes. The real-time formation and morphology of these hybrid membranes were evaluated using a combination of quartz crystal microbalance and atomic force microscopy. Depending on the type of polymer-lipid combination, significant differences in membrane coverage, formation of domains, and quality of membranes were obtained. The use of the SA method for a rapid and controlled formation of solid-supported hybrid membranes provides the basis for developing customized artificial hybrid membranes.
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Affiliation(s)
- Stefano Di Leone
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
- School
of Life Sciences, Institute for Chemistry and Bioanalytics, University of Applied Sciences Northwestern Switzerland
(FHNW), Grundenstrasse
40, 4132 Muttenz, Switzerland
| | - Myrto Kyropoulou
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
- National
Centre of Competence in Research Molecular Systems Engineering (NCCR
MSE), BPR 1095, Mattenstrasse
24a, 4058 Basel, Switzerland
| | - Julian Köchlin
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Riccardo Wehr
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Wolfgang P. Meier
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
- National
Centre of Competence in Research Molecular Systems Engineering (NCCR
MSE), BPR 1095, Mattenstrasse
24a, 4058 Basel, Switzerland
| | - Cornelia G. Palivan
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
- National
Centre of Competence in Research Molecular Systems Engineering (NCCR
MSE), BPR 1095, Mattenstrasse
24a, 4058 Basel, Switzerland
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8
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Wu Z, Li H, Zhao X, Ye F, Zhao G. Hydrophobically modified polysaccharides and their self-assembled systems: A review on structures and food applications. Carbohydr Polym 2022; 284:119182. [DOI: 10.1016/j.carbpol.2022.119182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 12/27/2021] [Accepted: 01/21/2022] [Indexed: 01/05/2023]
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9
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Biocatalytic self-assembled synthetic vesicles and coacervates: From single compartment to artificial cells. Adv Colloid Interface Sci 2022; 299:102566. [PMID: 34864354 DOI: 10.1016/j.cis.2021.102566] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 12/18/2022]
Abstract
Compartmentalization is an intrinsic feature of living cells that allows spatiotemporal control over the biochemical pathways expressed in them. Over the years, a library of compartmentalized systems has been generated, which includes nano to micrometer sized biomimetic vesicles derived from lipids, amphiphilic block copolymers, peptides, and nanoparticles. Biocatalytic vesicles have been developed using a simple bag containing enzyme design of liposomes to multienzymes immobilized multi-vesicular compartments for artificial cell generation. Additionally, enzymes were also entrapped in membrane-less coacervate droplets to mimic the cytoplasmic macromolecular crowding mechanisms. Here, we have discussed different types of single and multicompartment systems, emphasizing their recent developments as biocatalytic self-assembled structures using recent examples. Importantly, we have summarized the strategies in the development of the self-assembled structure to improvise their adaptivity and flexibility for enzyme immobilization. Finally, we have presented the use of biocatalytic assemblies in mimicking different aspects of living cells, which further carves the path for the engineering of a minimal cell.
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10
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San Anselmo M, Postigo A, Lancelot A, Serrano JL, Sierra T, Hernandez-Ainsa S. Dendron-functionalised hyperbranched bis-MPA polyesters as efficient non-viral vectors for gene therapy in different cell lines. Biomater Sci 2022; 10:2706-2719. [DOI: 10.1039/d2bm00365a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gene therapy has become a relevant tool in the biomedical field to treat or even prevent some diseases. The effective delivery of genetic material into the cell remains a crucial...
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11
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Gineste S, Lonetti B, Yon M, Giermanska J, Di Cola E, Sztucki M, Coppel Y, Mingotaud AF, Chapel JP, Marty JD, Mingotaud C. Hybrid polymeric micelles stabilized by gallium ions: Structural investigation. J Colloid Interface Sci 2021; 609:698-706. [PMID: 34862046 DOI: 10.1016/j.jcis.2021.11.077] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/02/2021] [Accepted: 11/14/2021] [Indexed: 10/19/2022]
Abstract
The addition of gallium ions to a solution of a double-hydrophilic block copolymer, i.e. poly(ethylene oxide)-block-poly(acrylic acid), leads to the spontaneous formation of highly monodisperse micelles with a Hybrid PolyIon Complexes (HPICs) core. By combining several techniques, a precise description of the HPIC architecture was achieved. In particular and for the first time, NMR and anomalous small angle X-ray scattering (ASAXS) enable tracking of the inorganic ions in solution and highlighting the co-localization of the gallium and the poly(acrylic acid) blocks in a rigid structure at the core of the micelle. Such a core has a radius of ca 4.3 nm while the complete nano-object with its poly(ethylene oxide) shell has a total radius of ca 11 nm. The aggregation number was also estimated using the ASAXS results. This comprehensive structural characterization of the Ga HPICs corroborates the assumptions made for HPICs based on other inorganic ions and demonstrates the universality of the HPIC structure leading, for example, to new families of contrast agents in medical imaging.
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Affiliation(s)
- Stéphane Gineste
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118, route de Narbonne 31062 Toulouse Cedex 9, France
| | - Barbara Lonetti
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118, route de Narbonne 31062 Toulouse Cedex 9, France
| | - Marjorie Yon
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118, route de Narbonne 31062 Toulouse Cedex 9, France
| | - Joanna Giermanska
- Centre de Recherche Paul Pascal, CNRS UMR 5031, University of Bordeaux,115, Avenue du Dr Albert Schweitzer 33600 Pessac, France
| | | | - Michael Sztucki
- European Synchrotron Radiation Facility, 71, avenue des Martyrs, CS 40220, 38043 Grenoble Cedex 9, France
| | - Yannick Coppel
- Laboratory of Coordination Chemistry, CNRS UPR 8241, University of Toulouse, 205 route de Narbonne, 31077 Toulouse, France
| | - Anne-Françoise Mingotaud
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118, route de Narbonne 31062 Toulouse Cedex 9, France
| | - Jean-Paul Chapel
- Centre de Recherche Paul Pascal, CNRS UMR 5031, University of Bordeaux,115, Avenue du Dr Albert Schweitzer 33600 Pessac, France
| | - Jean-Daniel Marty
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118, route de Narbonne 31062 Toulouse Cedex 9, France.
| | - Christophe Mingotaud
- Laboratoire des IMRCP, CNRS UMR 5623, University of Toulouse, Université Toulouse III - Paul Sabatier, 118, route de Narbonne 31062 Toulouse Cedex 9, France.
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Paterson DA, Fong WK, Hook S, Gamble AB. Hydrogen Sulfide-Responsive Bicontinuous Nanospheres. Biomacromolecules 2021; 22:4770-4782. [PMID: 34652153 DOI: 10.1021/acs.biomac.1c01070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Block copolymers (BCPs) that can self-assemble into particles and be triggered by disease-specific molecules such as hydrogen sulfide (H2S) have the potential to impact on drug delivery, decreasing off-target toxicities while increasing drug efficacy. However, the incorporation of H2S-responsive aryl azides into BCPs for self-assembly has been limited by heat, light, and radical sensitivities. In this study, a robust activator regenerated by the electron-transfer atom-transfer radical polymerization reaction was used to synthesize aryl-azide-containing BCPs under ambient conditions. Conditions controlling self-assembly of the BCPs into 150-200 nm particles and the physicochemical properties of the particles were investigated. The use of nanoprecipitation with tetrahydrofuran to promote self-assembly of the BCPs resulted in vesicle structures, while dimethylformamide or dimethylsulfoxide resulted in polymeric bicontinuous nanospheres (BCNs). Triggering of the BCPs and particles (vesicles or BCNs) via exposure to H2S revealed that unsubstituted aryl azides were readily reduced (by HS-), resulting in particle disruption or cross-linking. The relative polar nature of the particle bilayers containing unsubstituted aryl azides and the open structure of the BCNs did however limit encapsulation of small hydrophilic and hydrophobic payloads. Incorporation of a benzylamide substituent onto the aryl azide group increased the hydrophobicity of the particles and encapsulation of hydrophilic cargo but reduced sensitivity to H2S, likely due to the reduced penetration of HS- into the bilayer.
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Affiliation(s)
| | - Wye-Khay Fong
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan 2308, New South Wales, Australia
| | - Sarah Hook
- School of Pharmacy, University of Otago, Dunedin 9054, New Zealand
| | - Allan B Gamble
- School of Pharmacy, University of Otago, Dunedin 9054, New Zealand
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13
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Park C, Lim JW, Park G, Kim HO, Lee S, Kwon YH, Kim SE, Yeom M, Na W, Song D, Kim E, Haam S. Kinetic stability modulation of polymeric nanoparticles for enhanced detection of influenza virus via penetration of viral fusion peptides. J Mater Chem B 2021; 9:9658-9669. [PMID: 34647566 DOI: 10.1039/d1tb01847g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Specific interactions between viruses and host cells provide essential insights into material science-based strategies to combat emerging viral diseases. pH-triggered viral fusion is ubiquitous to multiple viral families and is important for understanding the viral infection cycle. Inspired by this process, virus detection has been achieved using nanomaterials with host-mimetic membranes, enabling interactions with amphiphilic hemagglutinin fusion peptides of viruses. Most research has been on designing functional nanoparticles with fusogenic capability for virus detection, and there has been little exploitation of the kinetic stability to alter the ability of nanoparticles to interact with viral membranes and improve their sensing performance. In this study, a homogeneous fluorescent assay using self-assembled polymeric nanoparticles (PNPs) with tunable responsiveness to external stimuli is developed for rapid and straightforward detection of an activated influenza A virus. Dissociation of PNPs induced by virus insertion can be readily controlled by varying the fraction of hydrophilic segments in copolymers constituting PNPs, giving rise to fluorescence signals within 30 min and detection of various influenza viruses, including H9N2, CA04(H1N1), H4N6, and H6N8. Therefore, the designs demonstrated in this study propose underlying approaches for utilizing engineered PNPs through modulation of their kinetic stability for direct and sensitive identification of infectious viruses.
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Affiliation(s)
- Chaewon Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea.
| | - Jong-Woo Lim
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea.
| | - Geunseon Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea.
| | - Hyun-Ouk Kim
- Division of Chemical Engineering and Bioengineering College of Art, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sojeong Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea.
| | - Yuri H Kwon
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea.
| | | | - Minjoo Yeom
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Woonsung Na
- College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Republic of Korea.,Animal Medical Institute, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Daesub Song
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea
| | - Eunjung Kim
- Division of Bioengineering, Incheon National University, Incheon 22012, Republic of Korea.
| | - Seungjoo Haam
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea.
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14
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Wehr R, Dos Santos EC, Muthwill MS, Chimisso V, Gaitzsch J, Meier W. Fully amorphous atactic and isotactic block copolymers and their self-assembly into nano- and microscopic vesicles. Polym Chem 2021; 12:5377-5389. [PMID: 34603516 PMCID: PMC8477912 DOI: 10.1039/d1py00952d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/05/2021] [Indexed: 11/30/2022]
Abstract
The introduction of chirality into aqueous self-assemblies by employing isotactic block copolymers (BCPs) is an emerging field of interest as it promises special membrane properties of polymersomes not accessible by atactic BCPs. However, isotactic BCPs typically exhibit crystalline behaviour, inducing high membrane stiffness and limiting their applicability in systems involving membrane proteins or sensitive cargo. In this study, an isotactic yet fully amorphous BCP is introduced which overcomes these limitations. Three BCPs composed of poly(butylene oxide)-block-poly(glycidol) (PBO-b-PG), differing solely in their tacticities (R/S, R and S), were synthesised and characterised regarding their structural, optical and thermal properties. Their self-assembly into homogenous phases of nanoscopic polymersomes (referred to as small unilamellar vesicles, SUVs) was analysed, revealing stability differences between SUVs composed of the different BCPs. Additionally, microscopic giant unilamellar vesicles (GUVs) were prepared by double emulsion microfluidics. Only the atactic BCP formed GUVs which were stable over several hours, whereas GUVs composed of isotactic BCPs ruptured within several minutes after formation. The ability of atactic PBO-b-PG to form microreactors was elucidated by reconstituting the membrane protein OmpF in the GUV membrane by microfluidics and performing an enzyme reaction inside its lumen. The system presented here serves as platform to design versatile vesicles with flexible membranes composed of atactic or isotactic BCPs. Hence, they allow for the introduction of chirality into nano- or microreactors which is a yet unstudied field and could enable special biotechonological applications.
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Affiliation(s)
- Riccardo Wehr
- University of Basel, Department of Chemistry Mattenstrasse 24a BPR 1096 4058 Basel Switzerland
| | - Elena C Dos Santos
- University of Basel, Department of Chemistry Mattenstrasse 24a BPR 1096 4058 Basel Switzerland
| | - Moritz S Muthwill
- University of Basel, Department of Chemistry Mattenstrasse 24a BPR 1096 4058 Basel Switzerland
| | - Vittoria Chimisso
- University of Basel, Department of Chemistry Mattenstrasse 24a BPR 1096 4058 Basel Switzerland
| | - Jens Gaitzsch
- University of Basel, Department of Chemistry Mattenstrasse 24a BPR 1096 4058 Basel Switzerland
- Leibniz-Institut für Polymerforschung Dresden e.V. Hohe Strasse 6 01069 Dresden Germany
| | - Wolfgang Meier
- University of Basel, Department of Chemistry Mattenstrasse 24a BPR 1096 4058 Basel Switzerland
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15
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Sokolov AV, Limareva LV, Iliasov PV, Gribkova OV, Sustretov AS. Methods of Encapsulation of Biomacromolecules and Living Cells. Prospects of Using Metal–Organic Frameworks. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [PMCID: PMC8141827 DOI: 10.1134/s1070428021040011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The review discusses different methods of encapsulation and biomineralization of macromolecules and living cells. Main advantages and disadvantages of most commonly used carriers, matrices, and materials for immobilization of proteins, enzymes, nucleic acids, and living cells are briefly surveyed. Examples of delivery vehicles for multifunctional encapsulation of protein-like substances are presented. Particular attention is paid to prospects of using metal–organic frameworks in medicine and biotechnology.
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Affiliation(s)
- A. V. Sokolov
- Institute of Experimental Medicine and Biotechnologies, Samara State Medical University, Ministry of Health of the Russian Federation, 443099 Samara, Russia
| | - L. V. Limareva
- Institute of Experimental Medicine and Biotechnologies, Samara State Medical University, Ministry of Health of the Russian Federation, 443099 Samara, Russia
| | - P. V. Iliasov
- Institute of Experimental Medicine and Biotechnologies, Samara State Medical University, Ministry of Health of the Russian Federation, 443099 Samara, Russia
| | - O. V. Gribkova
- Institute of Experimental Medicine and Biotechnologies, Samara State Medical University, Ministry of Health of the Russian Federation, 443099 Samara, Russia
| | - A. S. Sustretov
- Institute of Experimental Medicine and Biotechnologies, Samara State Medical University, Ministry of Health of the Russian Federation, 443099 Samara, Russia
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16
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Repurposing of Guanabenz acetate by encapsulation into long-circulating nanopolymersomes for treatment of triple-negative breast cancer. Int J Pharm 2021; 600:120532. [PMID: 33781877 DOI: 10.1016/j.ijpharm.2021.120532] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 01/25/2023]
Abstract
Poor patient response and limited treatment modalities are the major challenges against combating triple-negative breast cancer (TNBC). The high related mortality urges for novel cancer therapeutics. Guanabenz acetate (GA) is an orphan antihypertensive drug with a short half-life. Re-purposing (GA) by developing a polymersome (PS)-based cancer nanomedicine is an innovative approach in treating TNBC. Formulation and optimization of GA-loaded PEGylated Polycaprolactone PS through different process variables (solvent selection, the order of addition, pH of the aqueous phase, and drug to polymer ratio) were achieved by the nanoprecipitation method. The in vitro cellular uptake, anti-cancer, and anti-metastatic activity of GA and GA-loaded PS were tested in MDA-MB 231(TNBC cell line) and MCF-7 cell line. Western blot analysis was performed to elucidate the molecular anti-cancer mechanism. The in vivo biodistribution study and antitumor activity were investigated in the TNBC-xenograft model implanted in mice. Under optimized formulation conditions, GA-loaded PS had a nanosize of 90.5 nm with PDI < 0.2, a zeta potential -9.11 mV, drug encapsulation efficiency of 92.11% and sustained drug release for 6-days. GA-loaded PS exhibited enhanced cellular uptake and achieved a significantly lower IC50 in both breast cancer cell lines compared to free GA. Treatment with GA-loaded PS (60 µM) showed a significant reduction of 60.5 and 78.1% in cancer migration and metastasis in the case of MDA-MB 231 and MCF-7, respectively. Besides, drug-loaded PS increased phosphorylation of translational regulator eIF2α and decreased expression of Rac1 which were essential for decreasing cancer cell survival and metastasis. In vivo biodistribution study of GA-loaded PS showed long-circulating PS with high passively targeted tumor accumulation. Treatment with GA-loaded PS resulted in a significant decrease in tumor size and weight compared to free GA. In conclusion, GA-loaded PS is a new promising cancer therapeutics for the treatment of TNBC.
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17
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Lee H, Stryutsky A, Mahmood AU, Singh A, Shevchenko VV, Yingling YG, Tsukruk VV. Weakly Ionically Bound Thermosensitive Hyperbranched Polymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:2913-2927. [PMID: 33621461 DOI: 10.1021/acs.langmuir.0c03487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We synthesized novel amphiphilic hyperbranched polymers (HBPs) with variable contents of weakly ionically tethered thermoresponsive poly(N-isopropylacrylamide) (PNIPAM) macrocations in contrast to traditional covalent linking. Their assembling behavior was studied below and above the lower critical solution temperature (LCST). The HBPs underwent a morphological transition under changing temperature and ionic strength due to the LCST transition of PNIPAM and the reduction in the ionization degree of terminal ionic groups, respectively. We suggest that, in contrast to traditional branched polymers, ionically linked PNIPAM macrocations can reversibly disassociate from the sulfonate groups and form mobile coronas, endowing the dynamic micellar morphologies. In addition, assembly at the air-water interface confined PNIPAM macrocations and resulted in the formation of heterogeneous Langmuir-Blodgett (LB) monolayers with diverse surface morphologies for different peripheral compositions with circular domains formed in the condensed state. The HBPs with 25% PNIPAM showed larger and more stable circular domains that were partially preserved at high compression than those of HBPs with 50% PNIPAM. Moreover, the LB monolayers showed variable surface mechanical and surface charge distribution, which can be attributed to net dipole redistribution caused by the behavior of mobile PNIPAM macrocations and core sulfonate groups.
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Affiliation(s)
- Hansol Lee
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Alexandr Stryutsky
- Institute of Macromolecular Chemistry of the National Academy of Sciences of Ukraine, Kharkivske Shosse 48, Kyiv 02160, Ukraine
| | - Akhlak-Ul Mahmood
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7907, United States
| | - Abhishek Singh
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7907, United States
| | - Valery V Shevchenko
- Institute of Macromolecular Chemistry of the National Academy of Sciences of Ukraine, Kharkivske Shosse 48, Kyiv 02160, Ukraine
| | - Yaroslava G Yingling
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7907, United States
| | - Vladimir V Tsukruk
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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18
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Simonutti R, Bertani D, Marotta R, Ferrario S, Manzone D, Mauri M, Gregori M, Orlando A, Masserini M. Morphogenic effect of common solvent in the self-assembly behavior of amphiphilic PEO-b-PLA. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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19
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Kadina YA, Razuvaeva EV, Streltsov DR, Sedush NG, Shtykova EV, Kulebyakina AI, Puchkov AA, Volkov DS, Nazarov AA, Chvalun SN. Poly(Ethylene Glycol)- b-Poly(D,L-Lactide) Nanoparticles as Potential Carriers for Anticancer Drug Oxaliplatin. Molecules 2021; 26:molecules26030602. [PMID: 33498932 PMCID: PMC7865450 DOI: 10.3390/molecules26030602] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/15/2021] [Accepted: 01/21/2021] [Indexed: 12/11/2022] Open
Abstract
Nanoparticles based on biocompatible methoxy poly(ethylene glycol)-b-poly(D,L-lactide) (mPEG113-b-P(D,L)LAn) copolymers as potential vehicles for the anticancer agent oxaliplatin were prepared by a nanoprecipitation technique. It was demonstrated that an increase in the hydrophobic PLA block length from 62 to 173 monomer units leads to an increase of the size of nanoparticles from 32 to 56 nm. Small-angle X-ray scattering studies confirmed the “core-corona” structure of mPEG113-b-P(D,L)LAn nanoparticles and oxaliplatin loading. It was suggested that hydrophilic oxaliplatin is adsorbed on the core-corona interface of the nanoparticles during the nanoprecipitation process. The oxaliplatin loading content decreased from 3.8 to 1.5% wt./wt. (with initial loading of 5% wt./wt.) with increasing PLA block length. Thus, the highest loading content of the anticancer drug oxaliplatin with its encapsulation efficiency of 76% in mPEG113-b-P(D,L)LAn nanoparticles can be achieved for block copolymer with short hydrophobic block.
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Affiliation(s)
- Yulia A. Kadina
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
| | - Ekaterina V. Razuvaeva
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
- Correspondence:
| | - Dmitry R. Streltsov
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
| | - Nikita G. Sedush
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
| | - Eleonora V. Shtykova
- Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, 119333 Moscow, Russia;
| | - Alevtina I. Kulebyakina
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
| | - Alexander A. Puchkov
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
| | - Dmitry S. Volkov
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.S.V.); (A.A.N.)
| | - Alexey A. Nazarov
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.S.V.); (A.A.N.)
| | - Sergei N. Chvalun
- National Research Center “Kurchatov Institute”, 123182 Moscow, Russia; (Y.A.K.); (D.R.S.); (N.G.S.); (A.I.K.); (A.A.P.); (S.N.C.)
- Enikolopov Institute of Synthetic Polymeric Materials Russian Academy of Sciences, 117393 Moscow, Russia
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20
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Yin F, Behra JS, Beija M, Brûlet A, Fitremann J, Payré B, Gineste S, Destarac M, Lauth-de Viguerie N, Marty JD. Effect of the microstructure of n-butyl acrylate/N-isopropylacrylamide copolymers on their thermo-responsiveness, self-organization and gel properties in water. J Colloid Interface Sci 2020; 578:685-697. [PMID: 32559484 DOI: 10.1016/j.jcis.2020.06.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/30/2020] [Accepted: 06/01/2020] [Indexed: 11/28/2022]
Abstract
HYPOTHESIS Polymer composition, microstructure, molar mass, architecture… critically affect the properties of thermoresponsive polymers in aqueous media. EXPERIMENTS The behaviour of n-isopropylacrylamide and n-butyl acrylate-based copolymers of variable composition and structure (statistical, diblock or triblock) was studied in solution at different temperatures and concentrations with turbidimetry measurements, differential scanning calorimetry, electronic microscopy, rheology and scattering experiments. FINDINGS This study illustrates how it is possible through chemical engineering of the microstructure of amphiphilic thermoresponsive polymers to modulate significantly the self-assembly, morphological and mechanical properties of these materials in aqueous media. Statistical structures induced a strong decrease of cloud point temperature compared to block structures with similar composition. Moreover, block structures lead below the transition temperature to the formation of colloidal structures. Above the transition temperature, the formation of colloidal aggregates is observed at low concentrations, and at higher concentrations the formation of gels. Neutron scattering and light scattering measurements show that for a given composition diblock structures lead to smaller colloids and mesoglobules than their triblock counterparts. Moreover, diblock structures, compared to triblock analogs, allow the formation of gels that do not demix with time (no synaeresis) but that are softer than triblock gels.
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Affiliation(s)
- Fang Yin
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Juliette S Behra
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Mariana Beija
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Annie Brûlet
- Université Paris-Saclay, CNRS, CEA, Laboratoire Léon Brillouin, CEA Saclay, F-91191 GIF/Yvette, France
| | - Juliette Fitremann
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Bruno Payré
- CMEAB, IFR-BMT, Université de Toulouse, 133 route de Narbonne, 31062 Toulouse, France
| | - Stéphane Gineste
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Mathias Destarac
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Nancy Lauth-de Viguerie
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France.
| | - Jean-Daniel Marty
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France.
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21
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Designing peptide nanoparticles for efficient brain delivery. Adv Drug Deliv Rev 2020; 160:52-77. [PMID: 33031897 DOI: 10.1016/j.addr.2020.10.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 12/12/2022]
Abstract
The targeted delivery of therapeutic compounds to the brain is arguably the most significant open problem in drug delivery today. Nanoparticles (NPs) based on peptides and designed using the emerging principles of molecular engineering show enormous promise in overcoming many of the barriers to brain delivery faced by NPs made of more traditional materials. However, shortcomings in our understanding of peptide self-assembly and blood-brain barrier (BBB) transport mechanisms pose significant obstacles to progress in this area. In this review, we discuss recent work in engineering peptide nanocarriers for the delivery of therapeutic compounds to the brain: from synthesis, to self-assembly, to in vivo studies, as well as discussing in detail the biological hurdles that a nanoparticle must overcome to reach the brain.
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22
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Nichifor M, Stanciu MC, Doroftei F. Self-assembly of dextran - b - deoxycholic acid polyester copolymers: Copolymer composition and self-assembly procedure tune the aggregate size and morphology. Carbohydr Polym 2020; 252:117147. [PMID: 33183605 DOI: 10.1016/j.carbpol.2020.117147] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/13/2022]
Abstract
Self-assembly potential of new amphiphilic block copolymers containing dextran (Mn 4500, 8000, 15,000) and a semi-rigid deoxycholic acid-oligoethyleneglycol polyester (Mn 2500-8800, 2 or 4 ethyleneglycol units), was evaluated as a function of copolymer composition and self-assembly procedure, using dynamic light scattering and transmission electron microscopy. Addition of copolymer solution to water provided small star-like micelles (∼ 100 nm), while addition of water to copolymer solution led to various morphologies and sizes (60-600 nm), depending on polymer composition. Worm-like micelles were obtained from a copolymer containing dextran with Mn 4500 and 66 wt% polyester, and vesicles were formed by copolymers prepared from dextran with Mn 8000 and containing 46 wt% polyester. Presence of a longer oligoethyleneglycol decreased the size of micelles and vesicles due to an enhanced flexibility of the polyester hydrophobic block. The results allow the selection of the most appropriate parameters to obtain the desired aggregate characteristics.
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Affiliation(s)
- Marieta Nichifor
- "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi, 700457, Romania.
| | | | - Florica Doroftei
- "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi, 700457, Romania
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23
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Elias M, Dutoya A, Laborde A, Lecestre A, Montis C, Caselli L, Berti D, Lonetti B, Roux C, Joseph P. Microfluidic characterization of biomimetic membrane mechanics with an on-chip micropipette. MICRO AND NANO ENGINEERING 2020. [DOI: 10.1016/j.mne.2020.100064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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24
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Abstract
In nature, various specific reactions only occur in spatially controlled environments. Cell compartment and subcompartments act as the support required to preserve the bio-specificity and functionality of the biological content, by affording absolute segregation. Inspired by this natural perfect behavior, bottom-up approaches are on focus to develop artificial cell-like structures, crucial for understanding relevant bioprocesses and interactions or to produce tailored solutions in the field of therapeutics and diagnostics. In this review, we discuss the benefits of constructing polymer-based single and multicompartments (capsules and giant unilamellar vesicles (GUVs)), equipped with biomolecules as to mimic cells. In this respect, we outline key examples of how such structures have been designed from scratch, namely, starting from the application-oriented selection and synthesis of the amphiphilic block copolymer. We then present the state-of-the-art techniques for assembling the supramolecular structure while permitting the encapsulation of active compounds and the incorporation of peptides/membrane proteins, essential to support in situ reactions, e.g., to replicate intracellular signaling cascades. Finally, we briefly discuss important features that these compartments offer and how they could be applied to engineer the next generation of microreactors, therapeutic solutions, and cell models.
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25
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Kunzler C, Handschuh‐Wang S, Roesener M, Schönherr H. Giant Biodegradable Poly(ethylene glycol)‐
block
‐Poly(ε‐caprolactone) Polymersomes by Electroformation. Macromol Biosci 2020; 20:e2000014. [DOI: 10.1002/mabi.202000014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 04/03/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Cleiton Kunzler
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ)Department of Chemistry and BiologyUniversity of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
- Macromolecular ChemistryDepartment of Chemistry and BiologyUniversity of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| | - Stephan Handschuh‐Wang
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ)Department of Chemistry and BiologyUniversity of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| | - Manuel Roesener
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ)Department of Chemistry and BiologyUniversity of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ)Department of Chemistry and BiologyUniversity of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
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Miele Y, Mingotaud AF, Caruso E, Malacarne MC, Izzo L, Lonetti B, Rossi F. Hybrid giant lipid vesicles incorporating a PMMA-based copolymer. Biochim Biophys Acta Gen Subj 2020; 1865:129611. [PMID: 32272202 DOI: 10.1016/j.bbagen.2020.129611] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/16/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND In recent years, there has been a growing interest in the formation of copolymer-lipid hybrid self-assemblies, which allow combining and improving the main features of pure lipid-based and copolymer-based systems known for their potential applications in the biomedical field. As the most common method used to obtain giant vesicles is electroformation, most systems so far used low Tg polymers for their flexibility at room temperature. METHODS Copolymers used in the hybrid vesicles have been synthesized by a modified version of the ATRP, namely the Activators ReGenerated by Electron Transfer ATRP and characterized by NMR and DSC. Giant hybrid vesicles have been obtained using electroformation and droplet transfer method. Confocal fluorescence microscopy was used to image the vesicles. RESULTS Electroformation enabled to obtain hybrid vesicles in a narrow range of compositions (15 mol% was the maximum copolymer content). This range could be extended by the use of a droplet transfer method, which enabled obtaining hybrid vesicles incorporating a methacrylate-based polymer in a wide range of compositions. Proof of the hybrid composition was obtained by fluorescence microscopy using labeled lipids and copolymers. CONCLUSIONS This work describes for the first time, to the best of our knowledge, the formation of giant hybrid polymer/lipid vesicles formed with such a content of a polymethylmethacrylate copolymer, the glass temperature of which is above room temperature. GENERAL SIGNIFICANCE This work shows that polymer structures, more complex than the ones mostly employed, can be possibly included in giant hybrid vesicles by using the droplet transfer method. This will give easier access to functionalized and stimuli-responsive giant vesicles and to systems exhibiting a tunable permeability, these systems being relevant for biological and technological applications.
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Affiliation(s)
- Ylenia Miele
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
| | - Anne-Françoise Mingotaud
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Rte de Narbonne, F-31062 Toulouse cedex 9, France
| | - Enrico Caruso
- Dipartimento di Biotecnologie e Scienze della Vita, Università degli Studi dell'Insubria, via J. H. Dunant, 3, 21100 Varese, Italy
| | - Miryam C Malacarne
- Dipartimento di Biotecnologie e Scienze della Vita, Università degli Studi dell'Insubria, via J. H. Dunant, 3, 21100 Varese, Italy
| | - Lorella Izzo
- Dipartimento di Biotecnologie e Scienze della Vita, Università degli Studi dell'Insubria, via J. H. Dunant, 3, 21100 Varese, Italy.
| | - Barbara Lonetti
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Rte de Narbonne, F-31062 Toulouse cedex 9, France.
| | - Federico Rossi
- Department of Earth, Environmental and Physical Sciences - DEEP Sciences - Pian dei Mantellini 44, 53100 Siena, Italy
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Urbánek T, Trousil J, Rak D, Gunár K, Konefał R, Šlouf M, Sedlák M, Šebestová Janoušková O, Hrubý M. γ-Butyrolactone Copolymerization with the Well-Documented Polymer Drug Carrier Poly(ethylene oxide)-block-poly(ε-caprolactone) to Fine-Tune Its Biorelevant Properties. Macromol Biosci 2020; 20:e1900408. [PMID: 32174005 DOI: 10.1002/mabi.201900408] [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: 11/28/2019] [Revised: 01/22/2020] [Indexed: 02/01/2023]
Abstract
Polymeric drug carriers exhibit excellent properties that advance drug delivery systems. In particular, carriers based on poly(ethylene oxide)-block-poly(ε-caprolactone) are very useful in pharmacokinetics. In addition to their proven biocompatibility, there are several requirements for the efficacy of the polymeric drug carriers after internalization, e.g., nanoparticle behavior, cellular uptake, the rate of degradation, and cellular localization. The introduction of γ-butyrolactone units into the hydrophobic block enables the tuning of the abovementioned properties over a wide range. In this study, a relatively high content of γ-butyrolactone units with a reasonable yield of ≈60% is achieved by anionic ring-opening copolymerization using 1,5,7-triazabicyclo[4.4.0]dec-5-ene as a very efficient catalyst in the nonpolar environment of toluene with an incorporated γ-butyrolactone content of ≈30%. The content of γ-butyrolactone units can be easily modulated according to the feed ratio of the monomers. This method enables control over the rate of degradation so that when the content of γ-butyrolactone increases, the rate of degradation increases. These findings broaden the application possibilities of polyester-polyether-based nanoparticles for biomedical applications, such as drug delivery systems.
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Affiliation(s)
- Tomáš Urbánek
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia
| | - Jiří Trousil
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia.,Department of Analytical Chemistry, Charles University, Faculty of Science, Hlavova 8, 128 43, Prague 2, Czechia
| | - Dmytro Rak
- Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01, Košice, Slovakia
| | - Kristýna Gunár
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia
| | - Rafał Konefał
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia
| | - Miroslav Šlouf
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia
| | - Marián Sedlák
- Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01, Košice, Slovakia
| | - Olga Šebestová Janoušková
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia
| | - Martin Hrubý
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského náměstí 2, 162 00, Prague 6, Czechia
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28
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Demazeau M, Gibot L, Mingotaud AF, Vicendo P, Roux C, Lonetti B. Rational design of block copolymer self-assemblies in photodynamic therapy. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:180-212. [PMID: 32082960 PMCID: PMC7006492 DOI: 10.3762/bjnano.11.15] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 12/04/2019] [Indexed: 05/10/2023]
Abstract
Photodynamic therapy is a technique already used in ophthalmology or oncology. It is based on the local production of reactive oxygen species through an energy transfer from an excited photosensitizer to oxygen present in the biological tissue. This review first presents an update, mainly covering the last five years, regarding the block copolymers used as nanovectors for the delivery of the photosensitizer. In particular, we describe the chemical nature and structure of the block copolymers showing a very large range of existing systems, spanning from natural polymers such as proteins or polysaccharides to synthetic ones such as polyesters or polyacrylates. A second part focuses on important parameters for their design and the improvement of their efficiency. Finally, particular attention has been paid to the question of nanocarrier internalization and interaction with membranes (both biomimetic and cellular), and the importance of intracellular targeting has been addressed.
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Affiliation(s)
- Maxime Demazeau
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, 31062, Toulouse, France
| | - Laure Gibot
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, 31062, Toulouse, France
| | - Anne-Françoise Mingotaud
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, 31062, Toulouse, France
| | - Patricia Vicendo
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, 31062, Toulouse, France
| | - Clément Roux
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, 31062, Toulouse, France
| | - Barbara Lonetti
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 route de Narbonne, 31062, Toulouse, France
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Meyer CE, Abram SL, Craciun I, Palivan CG. Biomolecule–polymer hybrid compartments: combining the best of both worlds. Phys Chem Chem Phys 2020; 22:11197-11218. [DOI: 10.1039/d0cp00693a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Recent advances in bio/polymer hybrid compartments in the quest to obtain artificial cells, biosensors and catalytic compartments.
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Affiliation(s)
| | | | - Ioana Craciun
- Department of Chemistry
- University of Basel
- Basel
- Switzerland
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30
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Wehr R, Gaitzsch J, Daubian D, Fodor C, Meier W. Deepening the insight into poly(butylene oxide)-block-poly(glycidol) synthesis and self-assemblies: micelles, worms and vesicles. RSC Adv 2020; 10:22701-22711. [PMID: 35514604 PMCID: PMC9054609 DOI: 10.1039/d0ra04274a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/05/2020] [Indexed: 11/21/2022] Open
Abstract
Aqueous self-assembly of amphiphilic block copolymers is studied extensively for biomedical applications like drug delivery and nanoreactors. The commonly used hydrophilic block poly(ethylene oxide) (PEO), however, suffers from several drawbacks. As a potent alternative, poly(glycidol) (PG) has gained increasing interest, benefiting from its easy synthesis, high biocompatibility and flexibility as well as enhanced functionality compared to PEO. In this study, we present a quick and well-controlled synthesis of poly(butylene oxide)-block-poly(glycidol) (PBO-b-PG) amphiphilic diblock copolymers together with a straight-forward self-assembly protocol. Depending on the hydrophilic mass fraction of the copolymer, nanoscopic micelles, worms and polymersomes were formed as well as microscopic giant unilamellar vesicles. The particles were analysed regarding their size and shape, using dynamic and static light scattering, TEM and Cryo-TEM imaging as well as confocal laser scanning microscopy. We have discovered a strong dependence of the formed morphology on the self-assembly method and show that only solvent exchange leads to the formation of homogenous phases. Thus, a variety of different structures can be obtained from a highly flexible copolymer, justifying a potential use in biomedical applications. Improved synthesis and well controlled self-assembly of PBO-b-PG amphiphilic diblock copolymers led to homogenous phases of micelles, worms and vesicles.![]()
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Affiliation(s)
- Riccardo Wehr
- University of Basel
- Department of Chemistry
- 4058 Basel
- Switzerland
| | - Jens Gaitzsch
- University of Basel
- Department of Chemistry
- 4058 Basel
- Switzerland
- Leibniz-Institut für Polymerforschung Dresden e.V
| | - Davy Daubian
- University of Basel
- Department of Chemistry
- 4058 Basel
- Switzerland
| | - Csaba Fodor
- University of Basel
- Department of Chemistry
- 4058 Basel
- Switzerland
| | - Wolfgang Meier
- University of Basel
- Department of Chemistry
- 4058 Basel
- Switzerland
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31
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Belluati A, Craciun I, Meyer CE, Rigo S, Palivan CG. Enzymatic reactions in polymeric compartments: nanotechnology meets nature. Curr Opin Biotechnol 2019; 60:53-62. [DOI: 10.1016/j.copbio.2018.12.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/14/2018] [Accepted: 12/19/2018] [Indexed: 01/28/2023]
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32
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Lebleu C, Rodrigues L, Guigner JM, Brûlet A, Garanger E, Lecommandoux S. Self-Assembly of PEG- b-PTMC Copolymers: Micelles and Polymersomes Size Control. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:13364-13374. [PMID: 31550897 DOI: 10.1021/acs.langmuir.9b02264] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Poly(ethylene glycol)45-b-poly(trimethylene carbonate)n PEG45-b-PTMCn diblock copolymers were synthesized with five different PTMC degrees of polymerization (n = 38, 96, 144, 170, 332) and their self-assembly properties in water were studied using a manual nanoprecipitation procedure. We confirmed that the copolymer's hydrophilic weight fraction (fPEG) is controlling nanoparticles morphology. We determined that the PEG45-b-PTMC96 with fPEG ≈ 17% is the optimal hydrophilic fraction for the stabilization of well-defined unilamellar vesicles with a membrane thickness of δ ≈ 14.6 nm. Maintaining this fraction constant and modulating the overall molar mass of the block copolymers allowed the establishment of a power law of [Formula: see text] which provides a robust correlation between the molar mass of PTMC and vesicles' membrane thickness. Finally, we proved that controlling nanoprecipitation's conditions by microfluidics allowed fine-tuning and control of the nanoparticles size and polydispersity index while maintaining their shape with a perfect batch-to-batch reproducibility.
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Affiliation(s)
- Coralie Lebleu
- Université Bordeaux, CNRS , Bordeaux INP, LCPO, UMR 5629 , F-33600 , Pessac , France
| | - Laura Rodrigues
- Université Bordeaux, CNRS , Bordeaux INP, LCPO, UMR 5629 , F-33600 , Pessac , France
| | - Jean-Michel Guigner
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC) , Sorbonne Universités, IRD, CNRS UMR 7590, MNHN , 75252 Paris Cedex 05 , France
| | - Annie Brûlet
- Laboratoire Léon Brillouin (LLB) , CEA-Saclay, CNRS UMR 12 , 91191 Gif-sur-Yvette Cedex , France
| | - Elisabeth Garanger
- Université Bordeaux, CNRS , Bordeaux INP, LCPO, UMR 5629 , F-33600 , Pessac , France
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33
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Apolinário AC, Ferraro RB, de Oliveira CA, Pessoa Jr A, de Oliveira Rangel-Yagui C. Quality-by-Design Approach for Biological API Encapsulation into Polymersomes Using "Off-the-Shelf" Materials: a Study on L-Asparaginase. AAPS PharmSciTech 2019; 20:251. [PMID: 31300911 DOI: 10.1208/s12249-019-1465-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 06/24/2019] [Indexed: 12/12/2022] Open
Abstract
Polymersomes are versatile nanostructures for protein delivery with hydrophilic core suitable for large biomolecule encapsulation and protective stable corona. Nonetheless, pharmaceutical products based on polymersomes are not available in the market, yet. Here, using commercially available copolymers, we investigated the encapsulation of the active pharmaceutical ingredient (API) L-asparaginase, an enzyme used to treat acute lymphoblastic leukemia, in polymersomes through a quality-by-design (QbD) approach. This allows for streamlining of processes required for improved bioavailability and pharmaceutical activity. Polymersomes were prepared by bottom-up (temperature switch) and top-down (film hydration) methods employing the diblock copolymers poly(ethylene oxide)-poly(lactic acid) (PEG45-PLA69, PEG114-PLA153, and PEG114-PLA180) and the triblock Pluronic® L-121 (poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide), PEG5-PPO68-PEG5). Quality Target Product Profile (QTPP), Critical Quality Attributes (CQAs), Critical Process Parameters (CPPs), and the risk assessment were discussed for the early phase of polymersome development. An Ishikawa diagram was elaborated focusing on analytical methods, raw materials, and processes for polymersome preparation and L-asparaginase encapsulation. PEG-PLA resulted in diluted polymersomes systems. Nonetheless, a much higher yield of Pluronic® L-121 polymersomes of 200 nm were produced by temperature switch, reaching 5% encapsulation efficiency. Based on these results, a risk estimation matrix was created for an initial risk assessment, which can help in the future development of other polymersome systems with biological APIs nanoencapsulated.
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34
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Brito AEMD, Pessoa Jr A, Converti A, Rangel-Yagui CDO, Silva JAD, Apolinário AC. Poly (lactic-co-glycolic acid) nanospheres allow for high l-asparaginase encapsulation yield and activity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 98:524-534. [DOI: 10.1016/j.msec.2019.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 07/13/2018] [Accepted: 01/02/2019] [Indexed: 12/23/2022]
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35
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Rideau E, Wurm FR, Landfester K. Self‐Assembly of Giant Unilamellar Vesicles by Film Hydration Methodologies. ACTA ACUST UNITED AC 2019; 3:e1800324. [DOI: 10.1002/adbi.201800324] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/01/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Emeline Rideau
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Frederik R. Wurm
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
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36
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Trousil J, Syrová Z, Dal NJK, Rak D, Konefał R, Pavlova E, Matějková J, Cmarko D, Kubíčková P, Pavliš O, Urbánek T, Sedlák M, Fenaroli F, Raška I, Štěpánek P, Hrubý M. Rifampicin Nanoformulation Enhances Treatment of Tuberculosis in Zebrafish. Biomacromolecules 2019; 20:1798-1815. [PMID: 30785284 DOI: 10.1021/acs.biomac.9b00214] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mycobacterium tuberculosis, the etiologic agent of tuberculosis, is an intracellular pathogen of alveolar macrophages. These cells avidly take up nanoparticles, even without the use of specific targeting ligands, making the use of nanotherapeutics ideal for the treatment of such infections. Methoxy poly(ethylene oxide)- block-poly(ε-caprolactone) nanoparticles of several different polymer blocks' molecular weights and sizes (20-110 nm) were developed and critically compared as carriers for rifampicin, a cornerstone in tuberculosis therapy. The polymeric nanoparticles' uptake, consequent organelle targeting and intracellular degradation were shown to be highly dependent on the nanoparticles' physicochemical properties (the cell uptake half-lives 2.4-21 min, the degradation half-lives 51.6 min-ca. 20 h after the internalization). We show that the nanoparticles are efficiently taken up by macrophages and are able to effectively neutralize the persisting bacilli. Finally, we demonstrate, using a zebrafish model of tuberculosis, that the nanoparticles are well tolerated, have a curative effect, and are significantly more efficient compared to a free form of rifampicin. Hence, these findings demonstrate that this system shows great promise, both in vitro and in vivo, for the treatment of tuberculosis.
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Affiliation(s)
- Jiří Trousil
- Institute of Macromolecular Chemistry, Czech Academy of Sciences , Heyrovského náměstí 2 , 162 00 Prague 6 , Czech Republic.,Department of Analytical Chemistry, Faculty of Science , Charles University , Hlavova 8 , 128 43 Prague 2 , Czech Republic
| | - Zdeňka Syrová
- Institute of Biology and Medical Genetics, First Faculty of Medicine , Charles University and General University Hospital in Prague , Albertov 4 , 128 00 Prague 2 , Czech Republic
| | - Nils-Jørgen K Dal
- Department of Biosciences , University of Oslo , Blindernveien 31 , 0371 Oslo , Norway
| | - Dmytro Rak
- Institute of Experimental Physics , Slovak Academy of Sciences , Watsonova 47 , 040 01 Košice , Slovakia
| | - Rafał Konefał
- Institute of Macromolecular Chemistry, Czech Academy of Sciences , Heyrovského náměstí 2 , 162 00 Prague 6 , Czech Republic
| | - Ewa Pavlova
- Institute of Macromolecular Chemistry, Czech Academy of Sciences , Heyrovského náměstí 2 , 162 00 Prague 6 , Czech Republic
| | - Jana Matějková
- Department of Medical Microbiology, Second Faculty of Medicine , Charles University and Motol University Hospital , V Úvalu 84 , 150 06 Prague 5 , Czech Republic
| | - Dušan Cmarko
- Institute of Biology and Medical Genetics, First Faculty of Medicine , Charles University and General University Hospital in Prague , Albertov 4 , 128 00 Prague 2 , Czech Republic
| | - Pavla Kubíčková
- Center of Biological Defense , Military Health Institute, Military Medical Agency , 561 66 Těchonín , Czech Republic
| | - Oto Pavliš
- Center of Biological Defense , Military Health Institute, Military Medical Agency , 561 66 Těchonín , Czech Republic
| | - Tomáš Urbánek
- Institute of Macromolecular Chemistry, Czech Academy of Sciences , Heyrovského náměstí 2 , 162 00 Prague 6 , Czech Republic
| | - Marián Sedlák
- Institute of Experimental Physics , Slovak Academy of Sciences , Watsonova 47 , 040 01 Košice , Slovakia
| | - Federico Fenaroli
- Department of Biosciences , University of Oslo , Blindernveien 31 , 0371 Oslo , Norway
| | - Ivan Raška
- Institute of Biology and Medical Genetics, First Faculty of Medicine , Charles University and General University Hospital in Prague , Albertov 4 , 128 00 Prague 2 , Czech Republic
| | - Petr Štěpánek
- Institute of Macromolecular Chemistry, Czech Academy of Sciences , Heyrovského náměstí 2 , 162 00 Prague 6 , Czech Republic
| | - Martin Hrubý
- Institute of Macromolecular Chemistry, Czech Academy of Sciences , Heyrovského náměstí 2 , 162 00 Prague 6 , Czech Republic
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37
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Polymer membranes as templates for bio-applications ranging from artificial cells to active surfaces. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.12.047] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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38
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Xie R, Batchelor-McAuley C, Young NP, Compton RG. Electrochemical impacts complement light scattering techniques for in situ nanoparticle sizing. NANOSCALE 2019; 11:1720-1727. [PMID: 30623944 DOI: 10.1039/c8nr09172b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We show that the electrochemical particle-impact technique (or 'nano-impacts') complements light scattering techniques for sizing both mono- and poly-disperse nanoparticles. It is found that established techniques - Dynamic Light Scattering (DLS) and Nanoparticle Tracking Analysis (NTA) - can accurately measure the diameters of '30 nm' silver particles assuming spherical shapes, but are unable to accurately size a smaller '20 nm' sample. In contrast, nano-impacts have a high accuracy (<5% error in effective diameters) and are able to size both individual '20 nm' and '30 nm' silver NPs in terms of the number of constituent atoms. Further study of a '20 nm and 30 nm' bimodal sample shows that the electrochemical technique resolves the two very similar sizes well, demonstrating accurate sizing regardless of particle size polydispersity, whereas due to inherent limitations of light scattering measurements this is not possible for DLS and NTA. Electrochemical sizing is concluded to offer significant attractions over light scattering methods.
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Affiliation(s)
- Ruochen Xie
- Department of Chemistry, Oxford University, UK.
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39
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Abstract
Polymersomes, also called polymeric vesicles, are self-assembled by amphiphilic copolymers. Due to their unique characters, polymersomes are attracting more and more interest as an important class of vehicles for nanopharmaceuticals. In this chapter, various methods to prepare and characterize polymersomes are introduced systematically with several applicable examples. In addition, the advantages and disadvantages of each method were compared and analyzed with the aim to help readers choose the appropriate method in the process of experiments. Although some methods we introduced here are effective in preparing and characterizing polymersomes, the remaining challenge in this filed is to develop new tools. The reason is that polymersome is a kind of complex nanostructure, and some minor factors can affect the formation of polymersome. Meanwhile, more advanced technology should be developed to precisely determine the structure of some complex polymersomes such as multilayer polymersomes.
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Affiliation(s)
- Yumiao Hu
- Ministry of Educational (MOE) Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou, China
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Liyan Qiu
- Ministry of Educational (MOE) Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou, China.
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China.
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40
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Arroyo-Crespo JJ, Armiñán A, Charbonnier D, Balzano-Nogueira L, Huertas-López F, Martí C, Tarazona S, Forteza J, Conesa A, Vicent MJ. Tumor microenvironment-targeted poly-L-glutamic acid-based combination conjugate for enhanced triple negative breast cancer treatment. Biomaterials 2018; 186:8-21. [DOI: 10.1016/j.biomaterials.2018.09.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/11/2018] [Accepted: 09/14/2018] [Indexed: 12/26/2022]
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41
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Chidanguro T, Ghimire E, Liu CH, Simon YC. Polymersomes: Breaking the Glass Ceiling? SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802734. [PMID: 30369045 DOI: 10.1002/smll.201802734] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 10/05/2018] [Indexed: 06/08/2023]
Abstract
Polymer vesicles, also known as polymersomes, have garnered a lot of interest even before the first report of their fabrication in the mid-1990s. These capsules have found applications in areas such as drug delivery, diagnostics and cellular models, and are made via the self-assembly of amphiphilic block copolymers, predominantly with soft, rubbery hydrophobic segments. Comparatively, and despite their remarkable impermeability, glassy polymersomes (GPs) have been less pervasive due to their rigidity, lack of biodegradability and more restricted fabrication strategies. GPs are now becoming more prominent, thanks to their ability to undergo stable shape-change (e.g., into non-spherical morphologies) as a response to a predetermined trigger (e.g., light, solvent). The basics of block copolymer self-assembly with an emphasis on polymersomes and GPs in particular are reviewed here. The principles and advantages of shape transformation of GPs as well as their general usefulness are also discussed, together with some of the challenges and opportunities currently facing this area.
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Affiliation(s)
- Tamuka Chidanguro
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, 39406, MS, USA
| | - Elina Ghimire
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, 39406, MS, USA
| | - Cheyenne H Liu
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, 39406, MS, USA
| | - Yoan C Simon
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, 39406, MS, USA
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Rodríguez-Arco L, Poma A, Ruiz-Pérez L, Scarpa E, Ngamkham K, Battaglia G. Molecular bionics - engineering biomaterials at the molecular level using biological principles. Biomaterials 2018; 192:26-50. [PMID: 30419394 DOI: 10.1016/j.biomaterials.2018.10.044] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 10/06/2018] [Accepted: 10/28/2018] [Indexed: 12/18/2022]
Abstract
Life and biological units are the result of the supramolecular arrangement of many different types of molecules, all of them combined with exquisite precision to achieve specific functions. Taking inspiration from the design principles of nature allows engineering more efficient and compatible biomaterials. Indeed, bionic (from bion-, unit of life and -ic, like) materials have gained increasing attention in the last decades due to their ability to mimic some of the characteristics of nature systems, such as dynamism, selectivity, or signalling. However, there are still many challenges when it comes to their interaction with the human body, which hinder their further clinical development. Here we review some of the recent progress in the field of molecular bionics with the final aim of providing with design rules to ensure their stability in biological media as well as to engineer novel functionalities which enable navigating the human body.
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Affiliation(s)
- Laura Rodríguez-Arco
- Department of Chemistry, University College London (UCL) 20 Gordon St, Kings Cross, London, WC1H 0AJ, UK; Institute for Physics of Living Systems, University College London, London, UK.
| | - Alessandro Poma
- Department of Chemistry, University College London (UCL) 20 Gordon St, Kings Cross, London, WC1H 0AJ, UK; Institute for Physics of Living Systems, University College London, London, UK
| | - Lorena Ruiz-Pérez
- Department of Chemistry, University College London (UCL) 20 Gordon St, Kings Cross, London, WC1H 0AJ, UK; Institute for Physics of Living Systems, University College London, London, UK; The EPRSC/Jeol Centre of Liquid Electron Microscopy, University College London, London, WC1H 0AJ, UK
| | - Edoardo Scarpa
- Department of Chemistry, University College London (UCL) 20 Gordon St, Kings Cross, London, WC1H 0AJ, UK; Institute for Physics of Living Systems, University College London, London, UK
| | - Kamolchanok Ngamkham
- Faculty of Engineering, King Mongkut's University of Technology Thonbury, 126 Pracha Uthit Rd., Bang Mod, Thung Khru, Bangkok, 10140, Thailand
| | - Giuseppe Battaglia
- Department of Chemistry, University College London (UCL) 20 Gordon St, Kings Cross, London, WC1H 0AJ, UK; Institute for Physics of Living Systems, University College London, London, UK; The EPRSC/Jeol Centre of Liquid Electron Microscopy, University College London, London, WC1H 0AJ, UK.
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Montis C, Till U, Vicendo P, Roux C, Mingotaud AF, Violleau F, Demazeau M, Berti D, Lonetti B. Extended photo-induced endosome-like structures in giant vesicles promoted by block-copolymer nanocarriers. NANOSCALE 2018; 10:15442-15446. [PMID: 30091780 DOI: 10.1039/c8nr04355h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Upon irradiation, the photosensitizer pheophorbide-a causes dramatic morphological transitions in giant unilamellar lipid vesicles. This endocytosis-like process occurs only when the photoactive species are encapsulated in a copolymer nanocarrier and strictly depends on the chemical nature of the copolymer. Altogether, these results open up new perspectives in the field of photo-chemical internalization mediated by nanoassemblies.
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Affiliation(s)
- C Montis
- Department of Chemistry "Ugo Schiff", University of Florence and CSGI, Via della Lastruccia 3, 50019 Sesto Fiorentino Firenze, Italy
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Magnani C, Montis C, Mangiapia G, Mingotaud AF, Mingotaud C, Roux C, Joseph P, Berti D, Lonetti B. Hybrid vesicles from lipids and block copolymers: Phase behavior from the micro- to the nano-scale. Colloids Surf B Biointerfaces 2018; 168:18-28. [DOI: 10.1016/j.colsurfb.2018.01.042] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 12/21/2017] [Accepted: 01/20/2018] [Indexed: 12/18/2022]
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45
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Liot O, Socol M, Garcia L, Thiéry J, Figarol A, Mingotaud AF, Joseph P. Transport of nano-objects in narrow channels: influence of Brownian diffusion, confinement and particle nature. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2018; 30:234001. [PMID: 29701609 DOI: 10.1088/1361-648x/aac0af] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
This paper presents experimental results about transport of dilute suspensions of nano-objects in silicon-glass micrometric and sub-micrometric channels. Two kinds of objects are used: solid, rigid latex beads and spherical capsule-shaped, soft polymersomes. They are tracked using fluorescence microscopy. Three aspects are studied: confinement (ratio between particle diameter and channel depth), Brownian diffusion and particle nature. The aim of this work is to understand how these different aspects affect the transport of suspensions in narrow channels and to understand the different mechanisms at play. Concerning the solid beads we observe the appearance of two regimes, one where the experimental mean velocity is close to the expected one and another where this velocity is lower. This is directly related to a competition between confinement, Brownian diffusion and advection. These two regimes are shown to be linked to the inhomogeneity of particles distribution in the channel depth, which we experimentally deduce from velocity distributions. This inhomogeneity appears during the entrance process into the sub-micrometric channels, as for hydrodynamic separation or deterministic lateral displacement. Concerning the nature of the particles we observed a shift of transition towards the second regime likely due to the relationships between shear stress and polymersomes mechanical properties which could reduce the inhomogeneity imposed by the geometry of our device.
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Affiliation(s)
- O Liot
- LAAS-CNRS, Université de Toulouse, CNRS UPR 8001, Toulouse, France. Fédération FERMaT, INPT, Toulouse, France
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Challenges for the Self-Assembly of Poly(Ethylene Glycol)⁻Poly(Lactic Acid) (PEG-PLA) into Polymersomes: Beyond the Theoretical Paradigms. NANOMATERIALS 2018; 8:nano8060373. [PMID: 29861449 PMCID: PMC6027356 DOI: 10.3390/nano8060373] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/17/2018] [Accepted: 05/22/2018] [Indexed: 12/28/2022]
Abstract
Polymersomes (PL), vesicles formed by self-assembly of amphiphilic block copolymers, have been described as promising nanosystems for drug delivery, especially of biomolecules. The film hydration method (FH) is widely used for PL preparation, however, it often requires long hydration times and commonly results in broad size distribution. In this work, we describe the challenges of the self-assembly of poly (ethylene glycol)-poly(lactic acid) (PEG-PLA) into PL by FH exploring different hydrophilic volume fraction (f) values of this copolymer, stirring times, temperatures and post-FH steps in an attempt to reduce broad size distribution of the nanostructures. We demonstrate that, alongside f value, the methods employed for hydration and post-film steps influence the PEG-PLA self-assembly into PL. With initial FH, we found high PDI values (>0.4). However, post-hydration centrifugation significantly reduced PDI to 0.280. Moreover, extrusion at higher concentrations resulted in further improvement of the monodispersity of the samples and narrow size distribution. For PL prepared at concentration of 0.1% (m/v), extrusion resulted in the narrower size distributions corresponding to PDI values of 0.345, 0.144 and 0.081 for PEG45-PLA69, PEG114-PLA153 and PEG114-PLA180, respectively. Additionally, we demonstrated that copolymers with smaller f resulted in larger PL and, therefore, higher encapsulation efficiency (EE%) for proteins, since larger vesicles enclose larger aqueous volumes.
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Konishcheva E, Daubian D, Gaitzsch J, Meier W. Synthesis of Linear ABC Triblock Copolymers and Their Self-Assembly in Solution. Helv Chim Acta 2018. [DOI: 10.1002/hlca.201700287] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Evgeniia Konishcheva
- Department of Physical Chemistry; University of Basel; Mattenstrasse 24a, BPR 1096 4058 Basel Switzerland
| | - Davy Daubian
- Department of Physical Chemistry; University of Basel; Mattenstrasse 24a, BPR 1096 4058 Basel Switzerland
| | - Jens Gaitzsch
- Department of Physical Chemistry; University of Basel; Mattenstrasse 24a, BPR 1096 4058 Basel Switzerland
| | - Wolfgang Meier
- Department of Physical Chemistry; University of Basel; Mattenstrasse 24a, BPR 1096 4058 Basel Switzerland
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Rideau E, Wurm FR, Landfester K. Giant polymersomes from non-assisted film hydration of phosphate-based block copolymers. Polym Chem 2018. [DOI: 10.1039/c8py00992a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Polybutadiene-block-poly(ethyl ethylene phosphate) can reproducibly self-assemble in large number into giant unilamellar vesicles (GUVs) by non-assisted film hydration, representing a stepping stone for better liposomes – substitutes towards the generation of artificial cells.
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Affiliation(s)
- Emeline Rideau
- Max-Planck-Institut für Polymerforschung
- 55128 Mainz
- Germany
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49
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Rideau E, Dimova R, Schwille P, Wurm FR, Landfester K. Liposomes and polymersomes: a comparative review towards cell mimicking. Chem Soc Rev 2018; 47:8572-8610. [DOI: 10.1039/c8cs00162f] [Citation(s) in RCA: 521] [Impact Index Per Article: 86.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Minimal cells: we compare and contrast liposomes and polymersomes for a bettera priorichoice and design of vesicles and try to understand the advantages and shortcomings associated with using one or the other in many different aspects (properties, synthesis, self-assembly, applications).
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Affiliation(s)
- Emeline Rideau
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
| | - Rumiana Dimova
- Max Planck Institute for Colloids and Interfaces
- Wissenschaftspark Potsdam-Golm
- 14476 Potsdam
- Germany
| | - Petra Schwille
- Max Planck Institute of Biochemistry
- 82152 Martinsried
- Germany
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Bains A, Moffitt MG. Effects of chemical and processing variables on paclitaxel-loaded polymer nanoparticles prepared using microfluidics. J Colloid Interface Sci 2017; 508:203-213. [DOI: 10.1016/j.jcis.2017.08.053] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 08/14/2017] [Accepted: 08/16/2017] [Indexed: 10/19/2022]
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