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Rabanel JM, Mirbagheri M, Olszewski M, Xie G, Le Goas M, Latreille PL, Counil H, Hervé V, Silva RO, Zaouter C, Adibnia V, Acevedo M, Servant MJ, Martinez VA, Patten SA, Matyjaszewski K, Ramassamy C, Banquy X. Deep Tissue Penetration of Bottle-Brush Polymers via Cell Capture Evasion and Fast Diffusion. ACS NANO 2022; 16:21583-21599. [PMID: 36516979 DOI: 10.1021/acsnano.2c10554] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Drug nanocarriers (NCs) capable of crossing the vascular endothelium and deeply penetrating into dense tissues of the CNS could potentially transform the management of neurological diseases. In the present study, we investigated the interaction of bottle-brush (BB) polymers with different biological barriers in vitro and in vivo and compared it to nanospheres of similar composition. In vitro internalization and permeability assays revealed that BB polymers are not internalized by brain-associated cell lines and translocate much faster across a blood-brain barrier model compared to nanospheres of similar hydrodynamic diameter. These observations performed under static, no-flow conditions were complemented by dynamic assays performed in microvessel arrays on chip and confirmed that BB polymers can escape the vasculature compartment via a paracellular route. BB polymers injected in mice and zebrafish larvae exhibit higher penetration in brain tissues and faster extravasation of microvessels located in the brain compared to nanospheres of similar sizes. The superior diffusivity of BBs in extracellular matrix-like gels combined with their ability to efficiently cross endothelial barriers via a paracellular route position them as promising drug carriers to translocate across the blood-brain barrier and penetrate dense tissue such as the brain, two unmet challenges and ultimate frontiers in nanomedicine.
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Affiliation(s)
- Jean-Michel Rabanel
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Marziye Mirbagheri
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Mateusz Olszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania, United States 15213-3815
| | - Guojun Xie
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania, United States 15213-3815
| | - Marine Le Goas
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Pierre-Luc Latreille
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Hermine Counil
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
| | - Vincent Hervé
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
| | - Rummenigge Oliveira Silva
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
| | - Charlotte Zaouter
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
| | - Vahid Adibnia
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Mariana Acevedo
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Marc J Servant
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
| | - Vincent A Martinez
- School of Physics and Astronomy, University of Edinburgh, King's Buildings, Peter Guthrie Tait Road, Edinburgh, United Kingdom EH9 3FD
| | - Shunmoogum A Patten
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania, United States 15213-3815
| | - Charles Ramassamy
- INRS Centre Armand-Frappier Santé Biotechnologie, 531, boul. des Prairies, Laval, QC, Canada H7V 1B7
| | - Xavier Banquy
- Faculté de pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, QC, Canada H3C 3J7
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Matthew SAL, Rezwan R, Perrie Y, Seib FP. Volumetric Scalability of Microfluidic and Semi-Batch Silk Nanoprecipitation Methods. Molecules 2022; 27:2368. [PMID: 35408763 PMCID: PMC9000471 DOI: 10.3390/molecules27072368] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/31/2022] [Accepted: 04/02/2022] [Indexed: 11/16/2022] Open
Abstract
Silk fibroin nanoprecipitation by organic desolvation in semi-batch and microfluidic formats provides promising bottom-up routes for manufacturing narrow polydispersity, spherical silk nanoparticles. The translation of silk nanoparticle production to pilot, clinical, and industrial scales can be aided through insight into the property drifts incited by nanoprecipitation scale-up and the identification of critical process parameters to maintain throughout scaling. Here, we report the reproducibility of silk nanoprecipitation on volumetric scale-up in low-shear, semi-batch systems and estimate the reproducibility of chip parallelization for volumetric scale-up in a high shear, staggered herringbone micromixer. We showed that silk precursor feeds processed in an unstirred semi-batch system (mixing time > 120 s) displayed significant changes in the nanoparticle physicochemical and crystalline properties following a 12-fold increase in volumetric scale between 1.8 and 21.9 mL while the physicochemical properties stayed constant following a further 6-fold increase in scale to 138 mL. The nanoparticle physicochemical properties showed greater reproducibility after a 6-fold volumetric scale-up when using lower mixing times of greater similarity (8.4 s and 29.4 s) with active stirring at 400 rpm, indicating that the bulk mixing time and average shear rate should be maintained during volumetric scale-up. Conversely, microfluidic manufacture showed high between-batch repeatability and between-chip reproducibility across four participants and microfluidic chips, thereby strengthening chip parallelization as a production strategy for silk nanoparticles at pilot, clinical, and industrial scales.
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Affiliation(s)
- Saphia A. L. Matthew
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK; (S.A.L.M.); (Y.P.)
| | - Refaya Rezwan
- Department of Pharmacy, State University of Bangladesh, Dhaka 1205, Bangladesh;
- School of Clinical Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC 3168, Australia
| | - Yvonne Perrie
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK; (S.A.L.M.); (Y.P.)
| | - F. Philipp Seib
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK; (S.A.L.M.); (Y.P.)
- EPSRC Future Manufacturing Research Hub for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, 99 George Street, Glasgow G1 1RD, UK
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Matthew SAL, Rezwan R, Kaewchuchuen J, Perrie Y, Seib FP. Mixing and flow-induced nanoprecipitation for morphology control of silk fibroin self-assembly. RSC Adv 2022; 12:7357-7373. [PMID: 35424679 PMCID: PMC8982335 DOI: 10.1039/d1ra07764c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/19/2022] [Indexed: 12/19/2022] Open
Abstract
Tuning silk fibroin nanoparticle morphology using nanoprecipitation for bottom-up manufacture is an unexplored field that has the potential to improve particle performance characteristics. The aim of this work was to use both semi-batch bulk mixing and micro-mixing to modulate silk nanoparticle morphology by controlling the supersaturation and shear rate during nanoprecipitation. At flow rates where the shear rate was below the critical shear rate for silk, increasing the concentration of silk in both bulk and micro-mixing processes resulted in particle populations of increased sphericity, lower size, and lower polydispersity index. At high flow rates, where the critical shear rate was exceeded, the increased supersaturation with increasing concentration was counteracted by increased rates of shear-induced assembly. The morphology could be tuned from rod-like to spherical assemblies by increasing supersaturation of the high-shear micro-mixing process, thereby supporting a role for fast mixing in the production of narrow-polydispersity silk nanoparticles. This work provides new insight into the effects of shear during nanoprecipitation and provides a framework for scalable manufacture of spherical and rod-like silk nanoparticles. Tuning silk fibroin nanoparticle morphology using nanoprecipitation for bottom-up manufacture is an unexplored field that has the potential to improve particle performance characteristics.![]()
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Affiliation(s)
- Saphia A L Matthew
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK +44 (0)141 548 2510
| | - Refaya Rezwan
- Department of Pharmacy, ASA University Bangladesh 23/3 Bir Uttam A. N. M. Nuruzzaman Sarak Dhaka 1207 Bangladesh
| | - Jirada Kaewchuchuen
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK +44 (0)141 548 2510.,Faculty of Nursing, HRH Princess Chulabhorn College of Medical Science, Chulabhorn Royal Academy Bangkok Thailand
| | - Yvonne Perrie
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK +44 (0)141 548 2510
| | - F Philipp Seib
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde 161 Cathedral Street Glasgow G4 0RE UK +44 (0)141 548 2510.,EPSRC Future Manufacturing Research Hub for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre 99 George Street Glasgow G1 1RD UK
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Cruz-Acuña M, Kakwere H, Lewis JS. The roadmap to micro: Generation of micron-sized polymeric particles using a commercial microfluidic system. J Biomed Mater Res A 2022; 110:1121-1133. [PMID: 35073454 PMCID: PMC8934288 DOI: 10.1002/jbm.a.37358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/14/2021] [Accepted: 12/21/2021] [Indexed: 11/08/2022]
Abstract
Microfluidic-assisted particle fabrication provides a route to circumvent the disadvantages associated with traditional methods of polymeric particle generation, such as low drug loading efficiency, challenges in controlling encapsulated drug release rates, batch-to-batch variability in particle physical properties and formulation instability. However, this approach primarily produces particles with nanometer size dimensions, which limits drug delivery modalities. Herein, we systematically studied parameters for the generation of micron-sized poly(lactic-co-glycolic) acid (PLGA) particles using a microfluidic system, the NanoAssemblr benchtop. Initially, we used two organic solvents that have been reported suitable for the fabrication of PLGA nanoparticles - acetone and acetonitrile. Subsequently, we methodically manipulated polymer concentration, organic: aqueous flow rate ratios, total flow rate, organic phase composition, and surfactant concentration to develop a route for the fabrication of micron-sized PLGA particles. Further, we incorporated hydroxychloroquine (HCQ), a clinically approved drug for malaria and lymphoma, and measured how its incorporation impacted particle physicochemical properties. Briefly, altering the organic phase composition by including ethyl acetate (less polar solvent), resulted in micron-scale particles, as well as increased polydispersity indexes (PDIs). Adjusting the surfactant concentration of poly vinyl alcohol (PVA) after the addition of these solvent mixtures rendered large particles with lower PDI variability. Moreover, encapsulation of HCQ influenced particle hydrodynamic diameter and PDI in a PVA concentration dependent manner. Finally, we demonstrated that unloaded and HCQ-loaded microparticles did not affect the viability of RAW 264.7 macrophages. This study provides an itinerary for fabricating biocompatible, drug-loaded, micron-sized polymeric particles, particularly when the drug of interest is not readily soluble in conventional organic solvents.
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Affiliation(s)
- Melissa Cruz-Acuña
- Department of Biomedical Engineering, University of California, Davis, California, USA
| | - Hamilton Kakwere
- Department of Biomedical Engineering, University of California, Davis, California, USA
| | - Jamal S Lewis
- Department of Biomedical Engineering, University of California, Davis, California, USA
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5
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Nanoparticle shell structural cues drive in vitro transport properties, tissue distribution and brain accessibility in zebrafish. Biomaterials 2021; 277:121085. [PMID: 34461457 DOI: 10.1016/j.biomaterials.2021.121085] [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: 04/13/2021] [Revised: 07/26/2021] [Accepted: 08/23/2021] [Indexed: 01/14/2023]
Abstract
Zwitterion polymers with strong antifouling properties have been suggested as the prime alternative to polyethylene glycol (PEG) for drug nanocarriers surface coating. It is believed that PEG coating shortcomings, such as immune responses and incomplete protein repellency, could be overcome by zwitterionic polymers. However, no systematic study has been conducted so far to complete a comparative appraisal of PEG and zwitterionic-coating effects on nanoparticles (NPs) stealthness, cell uptake, cell barrier translocation and biodistribution in the context of nanocarriers brain targeting. Core-shell polymeric particles with identical cores and a shell of either PEG or poly(2-methacryloyloxyethyl phosphorylcholine (PMPC) were prepared by impinging jet mixer nanoprecipitation. NPs with similar size and surface potential were systematically compared using in vitro and in vivo assays. NPs behavior differences were rationalized based on their protein-particles interactions. PMPC-coated NPs were significantly more endocytosed by mouse macrophages or brain resident macrophages compared to PEGylated NPs but exhibited the remarkable ability to cross the blood-brain barrier in in vitro models. Nanoscale flow cytometry assays showed significantly more adsorbed proteins on PMPC-coated NPs than PEG-coated NPs. In vivo, distribution in zebrafish larvae, showed a strong propensity for PMPC-coated NPs to adhere to the vascular endothelium, while PEG-coated NPs were able to circulate for a longer time and escape the bloodstream to penetrate deep into the cerebral tissue. The stark differences between these two types of particles, besides their similarities in size and surface potential, points towards the paramount role of surface chemistry in controlling NPs fate likely via the formation of distinct protein corona for each coating.
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Hu H, Yang C, Li M, Shao D, Mao HQ, Leong KW. Flash Technology-Based Self-Assembly in Nanoformulation: From Fabrication to Biomedical Applications. MATERIALS TODAY (KIDLINGTON, ENGLAND) 2021; 42:99-116. [PMID: 34421329 PMCID: PMC8375602 DOI: 10.1016/j.mattod.2020.08.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Advances in nanoformulation have driven progress in biomedicine by producing nanoscale tools for biosensing, imaging, and drug delivery. Flash-based technology, the combination of rapid mixing technique with the self-assembly of macromolecules, is a new engine for the translational nanomedicine. Here, we review the state-of-the-art in flash-based self-assembly including theoretical and experimental principles, mixing device design, and applications. We highlight the fields of flash nanocomplexation (FNC) and flash nanoprecipitation (FNP), with an emphasis on biomedical applications of FNC, and discuss challenges and future directions for flash-based nanoformulation in biomedicine.
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Affiliation(s)
- Hanze Hu
- Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
| | - Chao Yang
- Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
- Institutes of Life Sciences, School of Biomedical Sciences and Engineering, Guangzhou International Campus, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, Guangdong 510630, China
| | - Mingqiang Li
- Laboratory of Biomaterials and Translational Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510630, China
| | - Dan Shao
- Institutes of Life Sciences, School of Biomedical Sciences and Engineering, Guangzhou International Campus, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, Guangdong 510630, China
| | - Hai-Quan Mao
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Kam W. Leong
- Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
- Department of Systems Biology, Columbia University Medical Center, New York, NY 10032, USA
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Matthew SAL, Totten JD, Phuagkhaopong S, Egan G, Witte K, Perrie Y, Seib FP. Silk Nanoparticle Manufacture in Semi-Batch Format. ACS Biomater Sci Eng 2020; 6:6748-6759. [PMID: 33320640 DOI: 10.1021/acsbiomaterials.0c01028] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Silk nanoparticles have demonstrated utility across a range of biomedical applications, especially as drug delivery vehicles. Their fabrication by bottom-up methods such as nanoprecipitation, rather than top-down manufacture, can improve critical nanoparticle quality attributes. Here, we establish a simple semi-batch method using drop-by-drop nanoprecipitation at the lab scale that reduces special-cause variation and improves mixing efficiency. The stirring rate was an important parameter affecting nanoparticle size and yield (400 < 200 < 0 rpm), while the initial dropping height (5.5 vs 7.5 cm) directly affected nanoparticle yield. Varying the nanoparticle standing time in the mother liquor between 0 and 24 h did not significantly affect nanoparticle physicochemical properties, indicating that steric and charge stabilizations result in high-energy barriers for nanoparticle growth. Manufacture across all tested formulations achieved nanoparticles between 104 and 134 nm in size with high β-sheet content, spherical morphology, and stability in aqueous media for over 1 month at 4 °C. This semi-automated drop-by-drop, semi-batch silk desolvation offers an accessible, higher-throughput platform for standardization of parameters that are difficult to control using manual methodologies.
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Affiliation(s)
- Saphia A L Matthew
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K
| | - John D Totten
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K.,EPSRC Future Manufacturing Research Hub for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, 99 George Street, Glasgow G1 1RD, U.K
| | - Suttinee Phuagkhaopong
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K
| | - Gemma Egan
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K
| | - Kimia Witte
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K
| | - Yvonne Perrie
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K
| | - F Philipp Seib
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, U.K.,EPSRC Future Manufacturing Research Hub for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, 99 George Street, Glasgow G1 1RD, U.K.,Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials Dresden, Hohe Strasse 6, 01069 Dresden, Germany
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Liu Y, Yang G, Zou D, Hui Y, Nigam K, Middelberg APJ, Zhao CX. Formulation of Nanoparticles Using Mixing-Induced Nanoprecipitation for Drug Delivery. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b04747] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yun Liu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Guangze Yang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Da Zou
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Yue Hui
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Krishna Nigam
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz khas, New Delhi 110016, India
| | - Anton P. J. Middelberg
- Faculty of Engineering, Computer, and Mathematical Sciences, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Chun-Xia Zhao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland 4072, Australia
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Bovone G, Steiner F, Guzzi EA, Tibbitt MW. Automated and Continuous Production of Polymeric Nanoparticles. Front Bioeng Biotechnol 2019; 7:423. [PMID: 31921826 PMCID: PMC6927919 DOI: 10.3389/fbioe.2019.00423] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 11/29/2019] [Indexed: 01/08/2023] Open
Abstract
Polymeric nanoparticles (NPs) are increasingly used as therapeutics, diagnostics, and building blocks in (bio)materials science. Current barriers to translation are limited control over NP physicochemical properties and robust scale-up of their production. Flow-based devices have emerged for controlled production of polymeric NPs, both for rapid formulation screening (~μg min-1) and on-scale production (~mg min-1). While flow-based devices have improved NP production compared to traditional batch processes, automated processes are desired for robust NP production at scale. Therefore, we engineered an automated coaxial jet mixer (CJM), which controlled the mixing of an organic stream containing block copolymer and an aqueous stream, for the continuous nanoprecipitation of polymeric NPs. The CJM was operated stably under computer control for up to 24 h and automated control over the flow conditions tuned poly(ethylene glycol)-block-polylactide (PEG5K -b-PLA20K ) NP size between ≈56 nm and ≈79 nm. In addition, the automated CJM enabled production of NPs of similar size (D h ≈ 50 nm) from chemically diverse block copolymers, PEG5K -b-PLA20K , PEG-block-poly(lactide-co-glycolide) (PEG5K -b-PLGA20K ), and PEG-block-polycaprolactone (PEG5K -b-PCL20K ), by tuning the flow conditions for each block copolymer. Further, the automated CJM was used to produce model nanotherapeutics in a reproducible manner without user intervention. Finally, NPs produced with the automated CJM were used to scale the formation of injectable polymer-nanoparticle (PNP) hydrogels, without modifying the mechanical properties of the PNP gel. In conclusion, the automated CJM enabled stable, tunable, and continuous production of polymeric NPs, which are needed for the scale-up and translation of this important class of biomaterials.
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Affiliation(s)
| | | | | | - Mark W. Tibbitt
- Macromolecular Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zürich, Zurich, Switzerland
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10
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Bovone G, Guzzi EA, Tibbitt MW. Flow‐based reactor design for the continuous production of polymeric nanoparticles. AIChE J 2019. [DOI: 10.1002/aic.16840] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Giovanni Bovone
- Macromolecular Engineering Laboratory, Department of Mechanical and Process EngineeringETH Zürich Zürich 8092 Switzerland
| | - Elia A. Guzzi
- Macromolecular Engineering Laboratory, Department of Mechanical and Process EngineeringETH Zürich Zürich 8092 Switzerland
| | - Mark W. Tibbitt
- Macromolecular Engineering Laboratory, Department of Mechanical and Process EngineeringETH Zürich Zürich 8092 Switzerland
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11
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Luna C, Castañeda-Rodríguez D, Barriga-Castro ED, Núñez NO, Mendoza-Reséndez R. Monodisperse Gold Cuboctahedral Nanocrystals Directly Synthesized in Reverse Micelles: Preparation, Colloidal Dispersion in Organic Solvents and Water, Reversible Self-Assembly and Plasmonic Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:14291-14299. [PMID: 31565937 DOI: 10.1021/acs.langmuir.9b02374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The synthesis of organic-solvent-dispersible gold nanoparticles in reverse micelles of didodecyldimethylammonium bromide (DDAB) is revisited in the present investigation. Some parameters of synthesis, specifically the reaction volume and the concentration of the reducing agent, were slightly modified obtaining directly monodisperse gold nanocrystals (AuNCs) without the need to use additional active surfactants or additional treatments such as digestive ripening. Interestingly, most of the obtained AuNCs display the same exposed crystalline faces composed of six bounding facets (four {111} faces and two {002} faces), corresponding to single-crystalline face-centered cubic nanoparticles with a cuboctahedron shape. When these AuNCs are subsequently functionalized with 1-decanethiol (C10H21SH) or 1-dodecanethiol (C12H25SH), they don't experience significant changes in their size or crystalline texture, however, they self-aggregate directly in the suspension at room temperature into faceted supramolecular structures and exhibit collective plasmonic excitations. Such self-organization is reversible under heating treatments allowing the observation of the influence of the AuNCs aggregation state on their plasmonic properties. Fourier transform infrared spectroscopy reveals that thiols only replace partially the DDAB molecules, and thus, DDAB molecules remain present in the thiol-capped AuNCs. To turn the thiol-capped nanocrystals into water-dispersible nanocrystals and extend their technological potential, they are stabilized with poloxamer 407 obtaining highly stable purple colloids in water.
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Affiliation(s)
- Carlos Luna
- Universidad Autónoma de Nuevo León (UANL) , Av. Universidad S/N , San Nicolás de los Garza , 66455 Nuevo León , Mexico
| | - Diana Castañeda-Rodríguez
- Universidad Autónoma de Nuevo León (UANL) , Av. Universidad S/N , San Nicolás de los Garza , 66455 Nuevo León , Mexico
| | - Enrique Díaz Barriga-Castro
- Centro de Investigación en Química Aplicada (CIQA) , Blvd. Enrique Reyna Hermosillo No. 140 , Saltillo , 25294 Coahuila , Mexico
| | - Nuria O Núñez
- Instituto de Ciencia de Materiales de Sevilla, CSIC-US , Avda. Americo Vespucio no. 49, Isla de la Cartuja , 41092 Sevilla , Spain
| | - Raquel Mendoza-Reséndez
- Universidad Autónoma de Nuevo León (UANL) , Av. Universidad S/N , San Nicolás de los Garza , 66455 Nuevo León , Mexico
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Rabanel JM, Adibnia V, Tehrani SF, Sanche S, Hildgen P, Banquy X, Ramassamy C. Nanoparticle heterogeneity: an emerging structural parameter influencing particle fate in biological media? NANOSCALE 2019; 11:383-406. [PMID: 30560970 DOI: 10.1039/c8nr04916e] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Drug nanocarriers' surface chemistry is often presumed to be uniform. For instance, the polymer surface coverage and distribution of ligands on nanoparticles are described with averaged values obtained from quantification techniques based on particle populations. However, these averaged values may conceal heterogeneities at different levels, either because of the presence of particle sub-populations or because of surface inhomogeneities, such as patchy surfaces on individual particles. The characterization and quantification of chemical surface heterogeneities are tedious tasks, which are rather limited by the currently available instruments and research protocols. However, heterogeneities may contribute to some non-linear effects observed during the nanoformulation optimization process, cause problems related to nanocarrier production scale-up and correlate with unexpected biological outcomes. On the other hand, heterogeneities, while usually unintended and detrimental to nanocarrier performance, may, in some cases, be sought as adjustable properties that provide NPs with unique functionality. In this review, results and processes related to this issue are compiled, and perspectives and possible analytical developments are discussed.
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Affiliation(s)
- Jean-Michel Rabanel
- Centre INRS Institut Armand-Frappier, 531, boul. des Prairies, Laval, QC H7V 1B7, Canada.
| | - Vahid Adibnia
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, Québec H3C 3J7, Canada.
| | - Soudeh F Tehrani
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, Québec H3C 3J7, Canada.
| | - Steven Sanche
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, Québec H3C 3J7, Canada.
| | - Patrice Hildgen
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, Québec H3C 3J7, Canada.
| | - Xavier Banquy
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-ville, Montréal, Québec H3C 3J7, Canada.
| | - Charles Ramassamy
- Centre INRS Institut Armand-Frappier, 531, boul. des Prairies, Laval, QC H7V 1B7, Canada.
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Effect of surface chemistry of polymeric nanoparticles on cutaneous penetration of cholecalciferol. Int J Pharm 2018; 553:120-131. [PMID: 30316003 DOI: 10.1016/j.ijpharm.2018.09.046] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 02/07/2023]
Abstract
We investigated the influence of nanoparticle (NP) surface composition on different aspects of skin delivery of a lipophilic drug: chemical stability, release and skin penetration. Cholecalciferol was chosen as a labile model drug. Poly(lactic acid) (PLA)-based NPs without surface coating, with a non-ionic poly(ethylene glycol) (PEG) coating, or with a zwitterionic poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC) coating were prepared using flash nanoprecipitation. Process was optimized to obtain similar hydrodynamic diameters. Polymeric NPs were compared to non-polymeric cholecalciferol formulations. Cholecalciferol stability in aqueous medium was improved by polymeric encapsulation with a valuable effect of a hydrophilic coating. However, the in vitro release of the drug was found independent of the presence of any polymer, as for the drug penetration in an intact skin model. Such tendency was not observed in impaired skin since, when stratum corneum was removed, we found that a neutral hydrophilic coating around NPs reduced drug penetration compared to pure drug NPs and bare PLA NPs. The nature of the hydrophilic block (PEG or PMPC) had however no impact. We hypothesized that NPs surface influenced drug penetration in impaired skin due to different electrostatic interactions between NPs and charged skin components of viable skin layers.
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