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Dubrovskii AV, Kim AL, Tikhonenko SA. The Buffer Capacity of Polyelectrolyte Microcapsules Depends on the Type of Template. Polymers (Basel) 2024; 16:2261. [PMID: 39204481 PMCID: PMC11359720 DOI: 10.3390/polym16162261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/02/2024] [Accepted: 08/08/2024] [Indexed: 09/04/2024] Open
Abstract
One of the key physicochemical parameters of polyelectrolyte microcapsules (PMCs) is their buffer capacity (BC). The BC of the microcapsules allows for an assessment of the change in protonation state across the entire polyelectrolyte system, which directly impacts the buffer barrier of PMCs, as well as the stability and physical properties of their shell. However, the buffer capacity of PMCs and their behavior under changes in ionic strength and temperature can differ depending on the type of core used to form the microcapsules. As part of this study, we revealed the buffer capacity (BC) of polyelectrolyte microcapsules formed on polystyrene cores (PMCPs) and studied the influence of ionic strength and environmental temperature on the BC of these capsules. We found that the buffer capacity of PMCPs differs from the BC of water at a pH above 8; the addition of sodium chloride leads to an increase in buffer capacity in alkaline conditions, and conversely, thermal treatment leads to its decrease at a pH of 9. The results obtained are different from the BC of polyelectrolyte microcapsules formed on CaCO3 cores, which suggests a difference in the physicochemical properties of these types of capsules. The buffer capacity of polyelectrolyte microcapsules depends on the type of template used.
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Affiliation(s)
| | | | - Sergey A. Tikhonenko
- Institute of Theoretical and Experimental Biophysics Russian Academy of Science, 3, Institutskaya Str., 142290 Puschino, Moscow Region, Russia; (A.V.D.); (A.L.K.)
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2
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Kim AL, Musin EV, Chebykin YS, Tikhonenko SA. Characterization of Polyallylamine/Polystyrene Sulfonate Polyelectrolyte Microcapsules Formed on Solid Cores: Morphology. Polymers (Basel) 2024; 16:1521. [PMID: 38891467 PMCID: PMC11174721 DOI: 10.3390/polym16111521] [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: 04/30/2024] [Revised: 05/24/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
Polyelectrolyte microcapsules (PMC) based on polyallylamine and polystyrene sulfonate are utilized in various fields of human activity, including medicine, textiles, and the food industry, among others. However, characteristics such as microcapsule size, shell thickness, and pore size are not sufficiently studied and systematized, even though they determine the possibility of using microcapsules in applied tasks. The aim of this review is to identify general patterns and gaps in the study of the morphology of polyelectrolyte microcapsules obtained by the alternate adsorption of polystyrene sulfonate and polyallylamine on different solid cores. First and foremost, it was found that the morphological change in polyelectrolyte microcapsules formed on different cores exhibits a significant difference in response to varying stimuli. Factors such as ionic strength, the acidity of the medium, and temperature have different effects on the size of the microcapsules, the thickness of their shells, and the number and size of their pores. At present, the morphology of the microcapsules formed on the melamine formaldehyde core has been most studied, while the morphology of microcapsules formed on other types of cores is scarcely studied. In addition, modern methods of nanoscale system analysis will allow for an objective assessment of PMC characteristics and provide a fresh perspective on the subject of research.
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Affiliation(s)
| | | | | | - Sergey A. Tikhonenko
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Science, Institutskaya St., 3, 142290 Puschino, Moscow Region, Russia; (A.L.K.); (E.V.M.); (Y.S.C.)
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3
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Tang X, Chen Y, Wang B, Luo D, Wang J, He Y, Feng L, Xu Y, Xie S, Chen M, Chang K. Autonomous Feedback-Driven Engineered DNAzyme-Coated Trojan Horse-like Nanocapsules for On-Demand CRISPR/Cas9 Delivery. ACS NANO 2024; 18:13950-13965. [PMID: 38751197 PMCID: PMC11140835 DOI: 10.1021/acsnano.4c04147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/01/2024] [Accepted: 05/08/2024] [Indexed: 05/29/2024]
Abstract
Manipulating the expression of cellular genes through efficient CRISPR/Cas9 delivery is rapidly evolving into a desirable tumor therapeutics. The exposure of CRISPR/Cas9 to a complex external environment poses challenges for conventional delivery carriers in achieving responsive and accurate release. Here, we report a Trojan horse-like nanocapsule for the on-demand delivery of CRISPR/Cas9 in a microRNA-responsive manner, enabling precise tumor therapy. The nanocapsule comprises a nanoassembled, engineered DNAzyme shell encasing a Cas9/sgRNA complex core. The DNAzyme, functioning as a catalytic unit, undergoes a conformational change in the presence of tumor-associated microRNA, followed by activating a positive feedback-driven autonomous catabolic cycle of the nanocapsule shell. This catabolic cycle is accomplished through chain reactions of DNAzyme "cleavage-hybridization-cleavage", which ensures sensitivity in microRNA recognition and effective release of Cas9/sgRNA. Utilizing this Trojan horse-like nanocapsule, as low as 1.7 pM microRNA-21 can trigger the on-demand release of Cas9/sgRNA, enabling the specific editing of the protumorigenic microRNA coding gene. The resulting upregulation of tumor suppressor genes induces apoptosis in tumor cells, leading to significant inhibition of tumor growth by up to 75.94%. The Trojan horse-like nanocapsule, with superior programmability and biocompatibility, is anticipated to serve as a promising carrier for tailoring responsive gene editing systems, achieving enhanced antitumor specificity and efficacy.
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Affiliation(s)
- Xiaoqi Tang
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Yihui Chen
- Department
of General Surgery, Xinqiao Hospital, Army
Medical University, Chongqing 400037, China
| | - Binpan Wang
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Dan Luo
- Department
of Biological and Environmental Engineering, Cornell University, Ithaca New York 14853-5701, United States
| | - Jue Wang
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Yuan He
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Liu Feng
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Ying Xu
- Department
of Clinical Laboratory Medicine, School
of Clinical Medicine & The First Affiliated Hospital of Chengdu
Medical College, Chengdu 610500, China
| | - Shuang Xie
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Ming Chen
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
- College
of Pharmacy and Laboratory Medicine, Third
Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
| | - Kai Chang
- Department
of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan, Shapingba, Chongqing 400038, China
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4
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Ren L, Liu S, Zhong J, Zhang L. Revolutionizing targeting precision: microfluidics-enabled smart microcapsules for tailored delivery and controlled release. LAB ON A CHIP 2024; 24:1367-1393. [PMID: 38314845 DOI: 10.1039/d3lc00835e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
As promising delivery systems, smart microcapsules have garnered significant attention owing to their targeted delivery loaded with diverse active materials. By precisely manipulating fluids on the micrometer scale, microfluidic has emerged as a powerful tool for tailoring delivery systems based on potential applications. The desirable characteristics of smart microcapsules are associated with encapsulation capacity, targeted delivery capability, and controlled release of encapsulants. In this review, we briefly describe the principles of droplet-based microfluidics for smart microcapsules. Subsequently, we summarize smart microcapsules as delivery systems for efficient encapsulation and focus on target delivery patterns, including passive targets, active targets, and microfluidics-assisted targets. Additionally, based on release mechanisms, we review controlled release modes adjusted by smart membranes and on/off gates. Finally, we discuss existing challenges and potential implications associated with smart microcapsules.
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Affiliation(s)
- Lingling Ren
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| | - Shuang Liu
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| | - Junjie Zhong
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| | - Liyuan Zhang
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
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Campbell J, Taghavi A, Preis A, Martin S, Skirtach AG, Franke J, Volodkin D, Vikulina A. Spontaneous shrinkage drives macromolecule encapsulation into layer-by-layer assembled biopolymer microgels. J Colloid Interface Sci 2023; 635:12-22. [PMID: 36577351 DOI: 10.1016/j.jcis.2022.12.115] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/12/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
HYPOTHESIS Recently, the anomalous shrinkage of surface-supported hyaluronate/poly-l-lysine (HA/PLL) microgels (µ-gels), which exceeds that reported for any other multilayer-based systems, has been reported [1]. The current study investigates the capability of these unique µ-gels for the encapsulation and retention of macromolecules, and proposes the shrinkage-driven assembly of biopolymer-based µ-gels as a novel tool for one-step surface biofunctionalization. EXPERIMENTS A set of dextrans (DEX) and their charged derivatives - carboxymethyl (CM)-DEX and diethylaminoethyl (DEAE)-DEX - has been utilized to evaluate the effects of macromolecular mass and net charge on µ-gel shrinkage and macromolecule entrapment. µ-gels formation on the surface of silicone catheters exemplifies their potential to tailor biointerfaces. FINDINGS Shrinkage-driven µ-gel formation strongly depends on the net charge and mass content of encapsulated macromolecules. Inclusion of neutral DEX decreases the degree of shrinkage several times, whilst charged DEXs adopt to the backbone of oppositely charged polyelectrolytes, resulting in shrinkage comparable to that of non-loaded µ-gels. Retention of CM-DEX in µ-gels is significantly higher compared to DEAE-DEX. These insights into the mechanisms of macromolecular entrapment into biopolymer-based µ-gels promotes fundamental understanding of molecular dynamics within the multilayer assemblies. Organization of biodegradable µ-gels at biomaterial surfaces opens avenues for their further exploitation in a diverse array of bioapplications.
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Affiliation(s)
- Jack Campbell
- Department of Chemistry and Forensics, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom; Bavarian Polymer Institute, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Straße 77, 90762 Fürth, Germany
| | - Aaron Taghavi
- Department of Chemistry and Forensics, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom
| | - Alexander Preis
- Institute for Factory Automation and Production Systems (FAPS), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 7-9, 91058 Erlangen, Germany
| | - Sina Martin
- Institute for Factory Automation and Production Systems (FAPS), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 7-9, 91058 Erlangen, Germany
| | - Andre G Skirtach
- Nano-Biotechnology Laboratory, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Jörg Franke
- Institute for Factory Automation and Production Systems (FAPS), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 7-9, 91058 Erlangen, Germany
| | - Dmitry Volodkin
- Department of Chemistry and Forensics, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom.
| | - Anna Vikulina
- Bavarian Polymer Institute, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Straße 77, 90762 Fürth, Germany.
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Li J, Parakhonskiy BV, Skirtach AG. A decade of developing applications exploiting the properties of polyelectrolyte multilayer capsules. Chem Commun (Camb) 2023; 59:807-835. [PMID: 36472384 DOI: 10.1039/d2cc04806j] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Transferring the layer-by-layer (LbL) coating approach from planar surfaces to spherical templates and subsequently dissolving these templates leads to the fabrication of polyelectrolyte multilayer capsules. The versatility of the coatings of capsules and their flexibility upon bringing in virtually any material into the coatings has quickly drawn substantial attention. Here, we provide an overview of the main developments in this field, highlighting the trends in the last decade. In the beginning, various methods of encapsulation and release are discussed followed by a broad range of applications, which were developed and explored. We also outline the current trends, where the range of applications is continuing to grow, including addition of whole new and different application areas.
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Affiliation(s)
- Jie Li
- Nano-Biotechnology Laboratory, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
| | - Bogdan V Parakhonskiy
- Nano-Biotechnology Laboratory, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
| | - Andre G Skirtach
- Nano-Biotechnology Laboratory, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
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7
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Polymeric Microneedle-Based Drug Delivery Platforms for Application in Cancer Therapy. Cancer Nanotechnol 2023. [DOI: 10.1007/978-3-031-17831-3_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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8
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Kotoulas KT, Campbell J, Skirtach AG, Volodkin D, Vikulina A. Surface Modification with Particles Coated or Made of Polymer Multilayers. Pharmaceutics 2022; 14:2483. [PMID: 36432674 PMCID: PMC9697854 DOI: 10.3390/pharmaceutics14112483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
The coating of particles or decomposable cores with polyelectrolytes via Layer-by-Layer (LbL) assembly creates free-standing LbL-coated functional particles. Due to the numerous functions that their polymers can bestow, the particles are preferentially selected for a plethora of applications, including, but not limited to coatings, cargo-carriers, drug delivery vehicles and fabric enhancements. The number of publications discussing the fabrication and usage of LbL-assembled particles has consistently increased over the last vicennial. However, past literature fails to either mention or expand upon how these LbL-assembled particles immobilize on to a solid surface. This review evaluates examples of LbL-assembled particles that have been immobilized on to solid surfaces. To aid in the formulation of a mechanism for immobilization, this review examines which forces and factors influence immobilization, and how the latter can be confirmed. The predominant forces in the immobilization of the particles studied here are the Coulombic, capillary, and adhesive forces; hydrogen bonding as well as van der Waal's and hydrophobic interactions are also considered. These are heavily dependent on the factors that influenced immobilization, such as the particle morphology and surface charge. The shape of the LbL particle is related to the particle core, whereas the charge was dependant on the outermost polyelectrolyte in the multilayer coating. The polyelectrolytes also determine the type of bonding that a particle can form with a solid surface. These can be via either physical (non-covalent) or chemical (covalent) bonds; the latter enforcing a stronger immobilization. This review proposes a fundamental theory for immobilization pathways and can be used to support future research in the field of surface patterning and for the general modification of solid surfaces with polymer-based nano- and micro-sized polymer structures.
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Affiliation(s)
- Konstantinos T. Kotoulas
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
| | - Jack Campbell
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
- Bavarian Polymer Institute, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Straße 77, 90762 Fürth, Germany
| | - Andre G. Skirtach
- Bio-Nanotechnology Laboratory, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Dmitry Volodkin
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
| | - Anna Vikulina
- Bavarian Polymer Institute, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Straße 77, 90762 Fürth, Germany
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9
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Galogahi FM, Ansari A, Teo AJT, Cha H, An H, Nguyen NT. Fabrication and characterization of core-shell microparticles containing an aqueous core. Biomed Microdevices 2022; 24:40. [PMID: 36355223 PMCID: PMC9649509 DOI: 10.1007/s10544-022-00637-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2022] [Indexed: 11/12/2022]
Abstract
Core-shell microparticles containing an aqueous core have demonstrated their value for microencapsulation and drug delivery systems. The most important step in generating these uniquely structured microparticles is the formation of droplets and double emulsion. The droplet generator must meet the performance and reliability requirements, including accurate size control with tunability and monodispersity. Herein, we present a facile technique to generate surfactant-free core-shell droplets with an aqueous core in a microfluidic device. We demonstrate that the geometry of the core-shell droplets can be precisely adjusted by the flow rates of the droplet components. As the shell is polymerized after the formation of the core-shell droplets, the resulting solid microparticles ensure the encapsulation of the aqueous core and prevent undesired release. We then study experimentally and theoretically the behaviour of resultant microparticles under heating and compression. The microparticles demonstrate excellent stability under both thermal and mechanical loads. We show that the rupture force can be quantitatively predicted from the shell thickness relative to the outer shell radius. Experimental results and theoretical predictions confirm that the rupture force scales directly with the shell thickness.
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Affiliation(s)
- Fariba Malekpour Galogahi
- Queensland Micro- and Nanotechnology Centre, Griffith University, 170 Kessels Road, QLD, 4111, Nathan, Australia
| | - Abolfazl Ansari
- School of Engineering and Built Environment, Griffith University, QLD, 4111, Nathan, Australia
| | - Adrian J T Teo
- Queensland Micro- and Nanotechnology Centre, Griffith University, 170 Kessels Road, QLD, 4111, Nathan, Australia
| | - Haotian Cha
- Queensland Micro- and Nanotechnology Centre, Griffith University, 170 Kessels Road, QLD, 4111, Nathan, Australia
| | - Hongjie An
- Queensland Micro- and Nanotechnology Centre, Griffith University, 170 Kessels Road, QLD, 4111, Nathan, Australia
| | - Nam-Trung Nguyen
- Queensland Micro- and Nanotechnology Centre, Griffith University, 170 Kessels Road, QLD, 4111, Nathan, Australia.
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10
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Stimuli-responsive polyelectrolyte multilayer films and microcapsules. Adv Colloid Interface Sci 2022; 310:102773. [DOI: 10.1016/j.cis.2022.102773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 08/20/2022] [Accepted: 09/05/2022] [Indexed: 12/28/2022]
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11
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Catanzaro E, Feron O, Skirtach AG, Krysko DV. Immunogenic Cell Death and Role of Nanomaterials Serving as Therapeutic Vaccine for Personalized Cancer Immunotherapy. Front Immunol 2022; 13:925290. [PMID: 35844506 PMCID: PMC9280641 DOI: 10.3389/fimmu.2022.925290] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 06/02/2022] [Indexed: 07/20/2023] Open
Abstract
Immunogenic cell death (ICD) is a rapidly growing research area representing one of the emerging therapeutic strategies of cancer immunotherapy. ICD is an umbrella term covering several cell death modalities including apoptosis, necroptosis, ferroptosis and pyroptosis, and is the product of a balanced combination of adjuvanticity (damage-associated molecular patterns and chemokines/cytokines) and antigenicity (tumor associated antigens). Only a limited number of anti-cancer therapies are available to induce ICD in experimental cancer therapies and even much less is available for clinical use. To overcome this limitation, nanomaterials can be used to increase the immunogenicity of cancer cells killed by anti-cancer therapy, which in themselves are not necessarily immunogenic. In this review, we outline the current state of knowledge of ICD modalities and discuss achievements in using nanomaterials to increase the immunogenicity of dying cancer cells. The emerging trends in modulating the immunogenicity of dying cancer cells in experimental and translational cancer therapies and the challenges facing them are described. In conclusion, nanomaterials are expected to drive further progress in their use to increase efficacy of anti-cancer therapy based on ICD induction and in the future, it is necessary to validate these strategies in clinical settings, which will be a challenging research area.
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Affiliation(s)
- Elena Catanzaro
- Cell Death Investigation and Therapy (CDIT) Laboratory, Department of Human Structure and Repair, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
| | - Olivier Feron
- Cancer Translational Research Laboratory, Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium
| | - André G. Skirtach
- Cancer Research Institute Ghent, Ghent, Belgium
- Nano-BioTechnology Laboratory, Department of Biotechnology, Ghent University, Ghent, Belgium
| | - Dmitri V. Krysko
- Cell Death Investigation and Therapy (CDIT) Laboratory, Department of Human Structure and Repair, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
- Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
- Department of Pathophysiology, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
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12
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Garello F, Svenskaya Y, Parakhonskiy B, Filippi M. Micro/Nanosystems for Magnetic Targeted Delivery of Bioagents. Pharmaceutics 2022; 14:pharmaceutics14061132. [PMID: 35745705 PMCID: PMC9230665 DOI: 10.3390/pharmaceutics14061132] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/09/2022] [Accepted: 05/19/2022] [Indexed: 01/09/2023] Open
Abstract
Targeted delivery of pharmaceuticals is promising for efficient disease treatment and reduction in adverse effects. Nano or microstructured magnetic materials with strong magnetic momentum can be noninvasively controlled via magnetic forces within living beings. These magnetic carriers open perspectives in controlling the delivery of different types of bioagents in humans, including small molecules, nucleic acids, and cells. In the present review, we describe different types of magnetic carriers that can serve as drug delivery platforms, and we show different ways to apply them to magnetic targeted delivery of bioagents. We discuss the magnetic guidance of nano/microsystems or labeled cells upon injection into the systemic circulation or in the tissue; we then highlight emergent applications in tissue engineering, and finally, we show how magnetic targeting can integrate with imaging technologies that serve to assist drug delivery.
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Affiliation(s)
- Francesca Garello
- Molecular and Preclinical Imaging Centers, Department of Molecular Biotechnology and Health Sciences, University of Torino, Via Nizza 52, 10126 Torino, Italy;
| | - Yulia Svenskaya
- Science Medical Center, Saratov State University, 410012 Saratov, Russia;
| | - Bogdan Parakhonskiy
- Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium;
| | - Miriam Filippi
- Soft Robotics Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
- Correspondence:
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13
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Shen X, Zhang Y, He H, Yi C, Dong W, Ye S, Zheng D, Tao J, Wu Q, Duan X, Nie Z. Electrostatic Adsorption Behaviors of Charged Polymer-tethered Nanoparticles on Oppositely Charged Surfaces. Macromol Rapid Commun 2022; 43:e2200171. [PMID: 35503906 DOI: 10.1002/marc.202200171] [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: 02/23/2022] [Revised: 04/28/2022] [Indexed: 11/11/2022]
Abstract
Polymer-grafted hairy nanoparticles (HNPs) that combine the unique properties of inorganic nanoparticles (NPs) and polymers are attractive building blocks for the layer-by-layer assembly of functional hybrid materials, but the adsorption behaviors of HNPs on substrates remain unclear. This article describes a systematic study on the adsorption behavior of charged polymer-grafted HNPs on oppositely charged substrates in different solvent media via a combination of experiments and simulations. We show in simulations that the adsorption process of HNPs is associated with the release of counterions around charged polymers on HNPs, thus resulting in a higher energy barrier of NP adsorption than bare NPs without charged polymer tethers. This energy barrier decreases with decreasing the dielectricity of solvents or ionization degree of grafted polymers or increasing ionic strength of the solution. Furthermore, we confirmed our theoretical prediction in experiments by using a model system of poly(acrylic acid)-grafted silica NPs and poly(diallyldimethylammonium chloride)-modified wafers. The work provides guidance for the electrostatic assembly of HNPs into functional hybrid composites with applications in membranes, optical devices, and biomedicines. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xiaoxue Shen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Yan Zhang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Huibin He
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Chenglin Yi
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Wenhao Dong
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Shunsheng Ye
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Di Zheng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Jing Tao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Qi Wu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Xiaozheng Duan
- State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, 130022, People's Republic of China.,State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China
| | - Zhihong Nie
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, People's Republic of China.,Yiwu Research Institute of Fudan University, Chengbei Road, Yiwu City, Zhejiang, 322000, China
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14
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Díez-Pascual AM, Rahdar A. LbL Nano-Assemblies: A Versatile Tool for Biomedical and Healthcare Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:949. [PMID: 35335762 PMCID: PMC8954003 DOI: 10.3390/nano12060949] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 02/04/2023]
Abstract
Polyelectrolytes (PEs) have been the aim of many research studies over the past years. PE films are prepared by the simple and versatile layer-by-layer (LbL) approach using alternating assemblies of polymer pairs involving a polyanion and a polycation. The adsorption of the alternating PE multiple layers is driven by different forces (i.e., electrostatic interactions, H-bonding, charge transfer interactions, hydrophobic forces, etc.), which enable an accurate control over the physical properties of the film (i.e., thickness at the nanoscale and morphology). These PE nano-assemblies have a wide range of biomedical and healthcare applications, including drug delivery, protein delivery, tissue engineering, wound healing, and so forth. This review provides a concise overview of the most outstanding research on the design and fabrication of PE nanofilms. Their nanostructures, molecular interactions with biomolecules, and applications in the biomedical field are briefly discussed. Finally, the perspectives of further research directions in the development of LbL nano-assemblies for healthcare and medical applications are highlighted.
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Affiliation(s)
- Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran;
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15
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Transport of Magnetic Polyelectrolyte Capsules in Various Environments. COATINGS 2022. [DOI: 10.3390/coatings12020259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Microcapsules consisting of eleven layers of polyelectrolyte and one layer of iron oxide nanoparticles were fabricated. Two types of nanoparticles were inserted as one of the layers within the microcapsule’s walls: Fe2O3, ferric oxide, having a mean diameter (Ø) of 50 nm and superparamagnetic Fe3O4 having Ø 15 nm. The microcapsules were suspended in liquid environments at a concentration of 108 caps/mL. The suspensions were pumped through a tube over a permanent magnet, and the accumulation within a minute was more than 90% of the initial concentration. The design of the capsules, the amount of iron embedded in the microcapsule, and the viscosity of the transportation fluid had a rather small influence on the accumulation capacity. Magnetic microcapsules have broad applications from cancer treatment to molecular communication.
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16
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Mateos-Maroto A, Fernández-Peña L, Abelenda-Núñez I, Ortega F, Rubio RG, Guzmán E. Polyelectrolyte Multilayered Capsules as Biomedical Tools. Polymers (Basel) 2022; 14:polym14030479. [PMID: 35160468 PMCID: PMC8838751 DOI: 10.3390/polym14030479] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 01/20/2022] [Accepted: 01/22/2022] [Indexed: 12/10/2022] Open
Abstract
Polyelectrolyte multilayered capsules (PEMUCs) obtained using the Layer-by-Layer (LbL) method have become powerful tools for different biomedical applications, which include drug delivery, theranosis or biosensing. However, the exploitation of PEMUCs in the biomedical field requires a deep understanding of the most fundamental bases underlying their assembly processes, and the control of their properties to fabricate novel materials with optimized ability for specific targeting and therapeutic capacity. This review presents an updated perspective on the multiple avenues opened for the application of PEMUCs to the biomedical field, aiming to highlight some of the most important advantages offered by the LbL method for the fabrication of platforms for their use in the detection and treatment of different diseases.
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Affiliation(s)
- Ana Mateos-Maroto
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain; (A.M.-M.); (L.F.-P.); (I.A.-N.); (F.O.); (R.G.R.)
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Laura Fernández-Peña
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain; (A.M.-M.); (L.F.-P.); (I.A.-N.); (F.O.); (R.G.R.)
- Centro de Espectroscopía y Correlación, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain
| | - Irene Abelenda-Núñez
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain; (A.M.-M.); (L.F.-P.); (I.A.-N.); (F.O.); (R.G.R.)
| | - Francisco Ortega
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain; (A.M.-M.); (L.F.-P.); (I.A.-N.); (F.O.); (R.G.R.)
- Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII 1, 28040 Madrid, Spain
| | - Ramón G. Rubio
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain; (A.M.-M.); (L.F.-P.); (I.A.-N.); (F.O.); (R.G.R.)
- Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII 1, 28040 Madrid, Spain
| | - Eduardo Guzmán
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain; (A.M.-M.); (L.F.-P.); (I.A.-N.); (F.O.); (R.G.R.)
- Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII 1, 28040 Madrid, Spain
- Correspondence:
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17
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Ghiman R, Pop R, Rugina D, Focsan M. Recent progress in preparation of microcapsules with tailored structures for bio-medical applications. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Kazemi-Andalib F, Mohammadikish M, Divsalar A, Sahebi U. Hollow microcapsule with pH-sensitive chitosan/polymer shell for in vitro delivery of curcumin and gemcitabine. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110887] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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19
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Nozdriukhin D, Kalva SK, Li W, Yashchenok A, Gorin D, Razansky D, Deán-Ben XL. Rapid Volumetric Optoacoustic Tracking of Individual Microparticles In Vivo Enabled by a NIR-Absorbing Gold-Carbon Shell. ACS APPLIED MATERIALS & INTERFACES 2021; 13:48423-48432. [PMID: 34613688 DOI: 10.1021/acsami.1c15509] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rapid volumetric in vivo visualization of circulating microparticles can facilitate new biomedical applications, such as blood flow characterization or targeted drug delivery. However, existing imaging modalities generally lack the sensitivity to detect the weak signals generated by individual micrometer-sized particles distributed across millimeter- to centimeter-scale depths in living mammalian tissues. Also, the temporal resolution is typically insufficient to track the particles in an entire three-dimensional region. Herein, we introduce a new type of monodisperse (4 μm) silica-core microparticle coated with a shell formed by a multilayered structure of carbon nanotubes (CNT) and gold nanoparticles (AuNP) to provide strong optoacoustic (OA) absorption-based contrast. We capitalize on the unique advantages of a state-of-the-art high-frame-rate OA tomography system to visualize and track the motion of these core-shell particles individually and volumetrically as they flow throughout the mouse brain vasculature. The feasibility of localizing individual solid particles smaller than red blood cells opens new opportunities for mapping the blood flow velocity, enhancing the resolution and visibility of OA images, and developing new biosensing assays.
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Affiliation(s)
- Daniil Nozdriukhin
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zürich, 8057 Zürich, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zürich, 8093 Zürich, Switzerland
- Center for Photonics and Quantum Materials, Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
| | - Sandeep Kumar Kalva
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zürich, 8057 Zürich, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zürich, 8093 Zürich, Switzerland
| | - Weiye Li
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zürich, 8057 Zürich, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zürich, 8093 Zürich, Switzerland
| | - Alexey Yashchenok
- Center for Photonics and Quantum Materials, Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
| | - Dmitry Gorin
- Center for Photonics and Quantum Materials, Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
| | - Daniel Razansky
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zürich, 8057 Zürich, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zürich, 8093 Zürich, Switzerland
| | - Xosé Luís Deán-Ben
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zürich, 8057 Zürich, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zürich, 8093 Zürich, Switzerland
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20
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Claus C, Fritz R, Schilling E, Reibetanz U. The Metabolic Response of Various Cell Lines to Microtubule-Driven Uptake of Lipid- and Polymer-Coated Layer-by-Layer Microcarriers. Pharmaceutics 2021; 13:1441. [PMID: 34575517 PMCID: PMC8465159 DOI: 10.3390/pharmaceutics13091441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/27/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022] Open
Abstract
Lipid structures, such as liposomes or micelles, are of high interest as an approach to support the transport and delivery of active agents as a drug delivery system. However, there are many open questions regarding their uptake and impact on cellular metabolism. In this study, lipid structures were assembled as a supported lipid bilayer on top of biopolymer-coated microcarriers based on the Layer-by-Layer assembly strategy. The functionalized microcarriers were then applied to various human and animal cell lines in addition to primary human macrophages (MΦ). Here, their influence on cellular metabolism and their intracellular localization were detected by extracellular flux analysis and immunofluorescence analysis, respectively. The impact of microcarriers on metabolic parameters was in most cell types rather low. However, lipid bilayer-supported microcarriers induced a decrease in oxygen consumption rate (OCR, indicative for mitochondrial respiration) and extracellular acidification rate (ECAR, indicative for glycolysis) in Vero cells. Additionally, in Vero cells lipid bilayer microcarriers showed a more pronounced association with microtubule filaments than polymer-coated microcarrier. Furthermore, they localized to a perinuclear region and induced nuclei with some deformations at a higher rate than unfunctionalized carriers. This association was reduced through the application of the microtubule polymerization inhibitor nocodazole. Thus, the effect of respective lipid structures as a drug delivery system on cells has to be considered in the context of the respective target cell, but in general can be regarded as rather low.
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Affiliation(s)
- Claudia Claus
- Institute of Medical Microbiology and Virology, Faculty of Medicine, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany
| | - Robert Fritz
- Institute for Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, Härtelstrasse 16-18, 04107 Leipzig, Germany;
| | - Erik Schilling
- Institute of Clinical Immunology, Faculty of Medicine, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany;
| | - Uta Reibetanz
- Institute for Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, Härtelstrasse 16-18, 04107 Leipzig, Germany;
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21
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Polyelectrolyte Multilayers on Soft Colloidal Nanosurfaces: A New Life for the Layer-By-Layer Method. Polymers (Basel) 2021; 13:polym13081221. [PMID: 33918844 PMCID: PMC8069484 DOI: 10.3390/polym13081221] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/04/2021] [Accepted: 04/05/2021] [Indexed: 02/07/2023] Open
Abstract
The Layer-by-Layer (LbL) method is a well-established method for the assembly of nanomaterials with controlled structure and functionality through the alternate deposition onto a template of two mutual interacting molecules, e.g., polyelectrolytes bearing opposite charge. The current development of this methodology has allowed the fabrication of a broad range of systems by assembling different types of molecules onto substrates with different chemical nature, size, or shape, resulting in numerous applications for LbL systems. In particular, the use of soft colloidal nanosurfaces, including nanogels, vesicles, liposomes, micelles, and emulsion droplets as a template for the assembly of LbL materials has undergone a significant growth in recent years due to their potential impact on the design of platforms for the encapsulation and controlled release of active molecules. This review proposes an analysis of some of the current trends on the fabrication of LbL materials using soft colloidal nanosurfaces, including liposomes, emulsion droplets, or even cells, as templates. Furthermore, some fundamental aspects related to deposition methodologies commonly used for fabricating LbL materials on colloidal templates together with the most fundamental physicochemical aspects involved in the assembly of LbL materials will also be discussed.
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22
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Borbora A, Manna U. Impact of chemistry on the preparation and post-modification of multilayered hollow microcapsules. Chem Commun (Camb) 2021; 57:2110-2123. [PMID: 33587065 DOI: 10.1039/d0cc06917e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In the last few years, various chemical bondings and interactions were rationally adopted to develop different multilayered microcapsules, where the empty interior accommodated various important cargoes, including bioactive molecules, nanoparticles, antibodies, enzymes, etc., and the thin membrane protected/controlled the release of the loaded cargo. Eventually, such materials are with immense potential for a wide range of prospective applications related to targeted drug delivery, sensing, bio-imaging, developing biomimetic microreactors, and so on. The emphasis on the use of various chemistries for the development of functional and useful microcapsules is rarely illustrated in the literature in the past. In this feature article, the rational uses of different chemistries for (a) preparing and (b) post-modifying various functional microcapsules are accounted. The appropriate selection of chemical bondings/interactions, including electrostatic interaction, host-guest interaction, hydrogen bonding, and covalent bonding, allowed the integration of essential constituents during the layer-by-layer deposition process for 'in situ' tailoring of the relevant and diverse properties of the hollow microcapsules. Recently, different chemically reactive hollow microcapsules were also introduced through the strategic association of 'click chemistry', ring-opening azlactone reaction, thiol-ene reaction, and 1,4-conjugate addition reaction for facile and desired post covalent modifications of the multilayer membrane. The strategic selection of chemistry remained as the key basis to synthesize smart and useful microcapsules.
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Affiliation(s)
- Angana Borbora
- Bio-Inspired Polymeric Materials Lab, Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India
| | - Uttam Manna
- Bio-Inspired Polymeric Materials Lab, Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India and Centre for Nanotechnology, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India.
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23
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Chojnacka-Górka K, Wolski K, Zapotoczny S. Durable Polyelectrolyte Microcapsules with Near-Infrared-Triggered Loading and Nondestructive Release of Cargo. ACS APPLIED MATERIALS & INTERFACES 2021; 13:1562-1572. [PMID: 33369391 DOI: 10.1021/acsami.0c19353] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Microcapsules formed using a "layer-by-layer" alternating deposition of oppositely charged polyelectrolytes on sacrificial templates have reached high interest because of their facile fabrication procedure using a broad range of materials and tailored properties. However, their practical applications as microcarriers are limited as the capsules commonly suffer from low mechanical stability that can be enhanced by chemical or physical crosslinking but at the expense of decreasing permeability of the capsules' walls. It is demonstrated here that the incorporation of multiwalled carbon nanotubes in a relatively small amount (3.5%) arranged in the direction perpendicular to the capsules' walls led to an almost 20-fold increase of the apparent elastic modulus of the microcapsules as shown using the osmotic pressure method. Importantly, the introduced carbon nanotubes due to their absorption in the near-infrared region and specific arrangement enabled also a light-triggered increase of permeability of the capsules in a reversible, nondestructive manner as shown using fluorescently labeled dextrans of various molar masses. Such results imply durability and facile loading/unloading of the microcapsules that are both crucial for their practical applications as microcontainers and microreactors.
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Affiliation(s)
| | - Karol Wolski
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Szczepan Zapotoczny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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24
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A microwave-triggered opening of the multifunctional polyelectrolyte capsules with nanodiamonds in the shell composition. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123299] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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25
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Borgul P, Rudnicki K, Chu L, Leniart A, Skrzypek S, Sudhölter EJ, Poltorak L. Layer-by-layer (LbL) assembly of polyelectrolytes at the surface of a fiberglass membrane used as a support of the polarized liquid–liquid interface. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.137215] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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26
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Drachuk I, Harbaugh S, Chávez JL, Kelley-Loughnane N. Improving the Activity of DNA-Encoded Sensing Elements through Confinement in Silk Microcapsules. ACS APPLIED MATERIALS & INTERFACES 2020; 12:48329-48339. [PMID: 33064462 DOI: 10.1021/acsami.0c13713] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Assembling synthetic bioparts into simplified artificial cells holds tremendous promise for advancing studies into the synthesis, biosensing, and delivery of biomolecules. Currently, the most successful techniques for encapsulation of the transcription-translation machinery exploit compartmentalization in liposomal vesicles. However, improvements to these methods may increase permeability to polar molecules, functionalization of the membrane with biologically active elements, and encapsulation efficiency. Microcapsules prepared via templated layer-by-layer (LbL) assembly using natural polymers have the potential to resolve some of the hurdles associated with liposomes. Here, we introduce a design for immobilizing DNA templates encoding translationally activated riboswitches and RNA aptamers into microcapsules prepared from regenerated silk fibroin protein. Adjusting several key parameters such as the presence of a polymer primer, concentration of silk protein, and DNA loadings during LbL assembly resulted in biocompatible, semipermeable, DNA-laden microcapsules. To preserve bioactivity, DNA was immobilized inside of the capsule membrane, which not only promoted stability during long-term storage at ambient conditions but also improved output response from spatially confined DNA-encoded sensing elements (SEs). Multiple copies of mRNA and GFPa1 protein were synthesized upon activation with specific analytes during in vitro transcription/translation reactions, demonstrating that selective permeability of silk microcapsules was essential for the diffusion of components of the cell-free system inside of the capsules. Further functionalization of capsule shells with gold nanoparticles (AuNPs) and antibodies (IgG) demonstrated the applicability of microcompartmentalized colloidal objects carrying SEs for remote sensing and/or targeted delivery. In the future, multifunctional, biocompatible silk-based microcapsules loaded with different RNA sensors can help advance the design of multiplexed biosensors tracking multiple biomarkers in complex media.
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Affiliation(s)
- Irina Drachuk
- UES Inc., Dayton, Ohio 45432, United States
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, Ohio 45433, United States
| | - Svetlana Harbaugh
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, Ohio 45433, United States
| | - Jorge L Chávez
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, Ohio 45433, United States
| | - Nancy Kelley-Loughnane
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, Ohio 45433, United States
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, Ohio 45433, United States
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27
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Yılmaz Aykut D, Yolaçan Ö, Deligöz H. pH stimuli drug loading/release platforms from LbL single/blend films: QCM-D and in-vitro studies. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125113] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Ferreira AM, Vikulina AS, Volodkin D. CaCO 3 crystals as versatile carriers for controlled delivery of antimicrobials. J Control Release 2020; 328:470-489. [PMID: 32896611 DOI: 10.1016/j.jconrel.2020.08.061] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 02/06/2023]
Abstract
CaCO3 crystals have been known for a long time as naturally derived and simply fabricated nano(micro)-sized materials able to effectively host and release various molecules. This review summarises the use of CaCO3 crystals as versatile carriers to host, protect and release antimicrobials, offering a strong tool to tackle antimicrobial resistance, a serious global health problem. The main methods for the synthesis of CaCO3 crystals with different properties, as well as the approaches for the loading and release of antimicrobials are presented. Finally, prospects to utilize the crystals in order to improve the therapeutic outcome and combat antimicrobial resistance are highlighted. Ultimately, this review intends to provide an in-depth overview of the application of CaCO3 crystals for the smart and controlled delivery of antimicrobial agents and aims at identifying the advantages and drawbacks as well as guiding future works, research directions and industrial applications.
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Affiliation(s)
- Ana M Ferreira
- School of Science and Technology, Department of Chemistry and Forensics, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
| | - Anna S Vikulina
- Fraunhofer Institute for Cell Therapy and Immunology, Branch Bioanalytics and Bioprocesses, Am Muhlenberg 13, Potsdam, Golm 14476, Germany
| | - Dmitry Volodkin
- School of Science and Technology, Department of Chemistry and Forensics, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK.
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29
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Guzmán E, Rubio RG, Ortega F. A closer physico-chemical look to the Layer-by-Layer electrostatic self-assembly of polyelectrolyte multilayers. Adv Colloid Interface Sci 2020; 282:102197. [PMID: 32579951 DOI: 10.1016/j.cis.2020.102197] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/06/2020] [Accepted: 06/08/2020] [Indexed: 01/08/2023]
Abstract
The fabrication of polyelectrolyte multilayer films (PEMs) using the Layer-by-Layer (LbL) method is one of the most versatile approaches for manufacturing functional surfaces. This is the result of the possibility to control the assembly process of the LbL films almost at will, by changing the nature of the assembled materials (building blocks), the assembly conditions (pH, ionic strength, temperature, etc.) or even by changing some other operational parameters which may impact in the structure and physico-chemical properties of the obtained multi-layered films. Therefore, the understanding of the impact of the above mentioned parameters on the assembly process of LbL materials plays a critical role in the potential use of the LbL method for the fabrication of new functional materials with technological interest. This review tries to provide a broad physico-chemical perspective to the study of the fabrication process of PEMs by the LbL method, which allows one to take advantage of the many possibilities offered for this approach on the fabrication of new functional nanomaterials.
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30
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Van der Meeren L, Li J, Konrad M, Skirtach AG, Volodkin D, Parakhonskiy BV. Temperature Window for Encapsulation of an Enzyme into Thermally Shrunk, CaCO
3
Templated Polyelectrolyte Multilayer Capsules. Macromol Biosci 2020; 20:e2000081. [DOI: 10.1002/mabi.202000081] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/26/2020] [Indexed: 12/16/2022]
Affiliation(s)
| | - Jie Li
- Department of BiotechnologyGhent University Ghent 9000 Belgium
| | - Manfred Konrad
- Max Planck Institute for Biophysical Chemistry Göttingen 37077 Germany
| | | | - Dmitry Volodkin
- School of Science and TechnologyNottingham Trent University Nottingham NG11 8NS UK
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31
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Wang C, Vázquez-González M, Fadeev M, Sohn YS, Nechushtai R, Willner I. Thermoplasmonic-Triggered Release of Loads from DNA-Modified Hydrogel Microcapsules Functionalized with Au Nanoparticles or Au Nanorods. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000880. [PMID: 32374508 DOI: 10.1002/smll.202000880] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
Microcapsules consisting of hydrogel shells cross-linked by glucosamine-boronate ester complexes and duplex nucleic acids, loaded with dyes or drugs and functionalized with Au nanoparticles (Au NPs) or Au nanorods (Au NRs), are developed. Irradiation of Au NPs or Au NRs results in the thermoplasmonic heating of the microcapsules, and the dissociation of the nucleic acid cross-linkers. The separation of duplex nucleic acid cross-linkers leads to low-stiffness hydrogel shells, allowing the release of loads. Switching off the light-induced plasmonic heating results in the regeneration of stiff hydrogel shells protecting the microcapsules, leading to the blockage of release processes. The thermoplasmonic release of tetramethylrhodamine-dextran, Texas Red-dextran, doxorubicin-dextran (DOX-D), or camptothecin-carboxymethylcellulose (CPT-CMC) from the microcapsules is introduced. By loading the microcapsules with two different drugs (DOX-D and CPT-CMC), the light-controlled dose release is demonstrated. Cellular experiments show efficient permeation of Au NPs/DOX-D or Au NRs/DOX-D microcapsules into MDA-MB-231 cancer cells and inefficient uptake by MCF-10A epithelial breast cells. Cytotoxicity experiments reveal selective thermoplasmon-induced cytotoxicity of the microcapsules toward MDA-MB-231 cancer cells as compared to MCF-10A cells. Also, selective cytotoxicity towards MDA-MB-231 cancer cells upon irradiation of the Au NPs- and Au NRs-functionalized microcapsules at λ = 532 or 910 nm is demonstrated.
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Affiliation(s)
- Chen Wang
- Institute of Chemistry, The Minerva Center for Complex Bio-Hybrid System, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Margarita Vázquez-González
- Institute of Chemistry, The Minerva Center for Complex Bio-Hybrid System, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Michael Fadeev
- Institute of Chemistry, The Minerva Center for Complex Bio-Hybrid System, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Yang Sung Sohn
- Institute of Life Science, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Rachel Nechushtai
- Institute of Life Science, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Itamar Willner
- Institute of Chemistry, The Minerva Center for Complex Bio-Hybrid System, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
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32
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Roquero DM, Bollella P, Melman A, Katz E. Nanozyme-Triggered DNA Release from Alginate Films. ACS APPLIED BIO MATERIALS 2020; 3:3741-3750. [DOI: 10.1021/acsabm.0c00348] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Daniel Massana Roquero
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
| | - Paolo Bollella
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
| | - Artem Melman
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699, United States
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Sharma V, Sundaramurthy A. Multilayer capsules made of weak polyelectrolytes: a review on the preparation, functionalization and applications in drug delivery. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:508-532. [PMID: 32274289 PMCID: PMC7113543 DOI: 10.3762/bjnano.11.41] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 02/25/2020] [Indexed: 06/11/2023]
Abstract
Multilayer capsules have been of great interest for scientists and medical communities in multidisciplinary fields of research, such as drug delivery, sensing, biomedicine, theranostics and gene therapy. The most essential attributes of a drug delivery system are considered to be multi-functionality and stimuli responsiveness against a range of external and internal stimuli. Apart from the highly explored strong polyelectrolytes, weak polyelectrolytes offer great versatility with a highly controllable architecture, unique stimuli responsiveness and easy tuning of the properties for intracellular delivery of cargo. This review describes the progress in the preparation, functionalization and applications of capsules made of weak polyelectrolytes or their combination with biopolymers. The selection of a sacrificial template for capsule formation, the driving forces involved, the encapsulation of a variety of cargo and release based on different internal and external stimuli have also been addressed. We describe recent perspectives and obstacles of weak polyelectrolyte/biopolymer systems in applications such as therapeutics, biosensing, bioimaging, bioreactors, vaccination, tissue engineering and gene delivery. This review gives an emerging outlook on the advantages and unique responsiveness of weak polyelectrolyte based systems that can enable their widespread use in potential applications.
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Affiliation(s)
- Varsha Sharma
- Department of Biomedical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Anandhakumar Sundaramurthy
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
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Scheffler K, Bilz NC, Brueckner M, Stanifer ML, Boulant S, Claus C, Reibetanz U. Enhanced Uptake and Endosomal Release of LbL Microcarriers Functionalized with Reversible Fusion Proteins. ACS APPLIED BIO MATERIALS 2020; 3:1553-1567. [PMID: 35021646 DOI: 10.1021/acsabm.9b01168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The efficient application of smart drug-delivery systems requires further improvement of their cellular uptake and in particular their release from endolysosomal compartments into the cytoplasm of target cells. The usage of virus proteins allows for such developments, as viruses have evolved efficient entry mechanisms into the cell, mediated by their fusion proteins. In our investigations, the transferability of the glycoprotein G which is a fusion protein of the vesicular stomatitis virus (VSV-G) onto the surface of a layer-by-layer (LbL) designed microcarrier was investigated. The assembly of VSV-G as a reversible viral fusion protein onto LbL microcarriers indeed induced an enhanced uptake rate on Vero cells as well as a fast and efficient release of the intact carriers from endolysosomes into the cytoplasm. Additionally, neither virus-associated effects on cellular viability nor activation of an interferon response were detected. Our study emphasizes the suitability of VSV-G as an efficient surface functionalization of drug-delivery systems.
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Affiliation(s)
- Kira Scheffler
- Institute for Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, D-04107 Leipzig, Germany
| | - Nicole C Bilz
- Institute of Virology, Faculty of Medicine, University of Leipzig, 04103 Leipzig, Germany
| | - Mandy Brueckner
- Institute for Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, D-04107 Leipzig, Germany
| | - Megan L Stanifer
- Schaller Research Group at CellNetworks, Department of Infectious Diseases, Virology, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Steeve Boulant
- Schaller Research Group at CellNetworks, Department of Infectious Diseases, Virology, Heidelberg University Hospital, 69120 Heidelberg, Germany.,Research Group "Cellular Polarity and Viral Infection" (F140), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Claudia Claus
- Institute of Virology, Faculty of Medicine, University of Leipzig, 04103 Leipzig, Germany
| | - Uta Reibetanz
- Institute for Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, D-04107 Leipzig, Germany
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35
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Abalymov A, Parakhonskiy B, Skirtach AG. Polymer- and Hybrid-Based Biomaterials for Interstitial, Connective, Vascular, Nerve, Visceral and Musculoskeletal Tissue Engineering. Polymers (Basel) 2020; 12:E620. [PMID: 32182751 PMCID: PMC7182904 DOI: 10.3390/polym12030620] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/19/2020] [Accepted: 03/03/2020] [Indexed: 12/11/2022] Open
Abstract
In this review, materials based on polymers and hybrids possessing both organic and inorganic contents for repairing or facilitating cell growth in tissue engineering are discussed. Pure polymer based biomaterials are predominantly used to target soft tissues. Stipulated by possibilities of tuning the composition and concentration of their inorganic content, hybrid materials allow to mimic properties of various types of harder tissues. That leads to the concept of "one-matches-all" referring to materials possessing the same polymeric base, but different inorganic content to enable tissue growth and repair, proliferation of cells, and the formation of the ECM (extra cellular matrix). Furthermore, adding drug delivery carriers to coatings and scaffolds designed with such materials brings additional functionality by encapsulating active molecules, antibacterial agents, and growth factors. We discuss here materials and methods of their assembly from a general perspective together with their applications in various tissue engineering sub-areas: interstitial, connective, vascular, nervous, visceral and musculoskeletal tissues. The overall aims of this review are two-fold: (a) to describe the needs and opportunities in the field of bio-medicine, which should be useful for material scientists, and (b) to present capabilities and resources available in the area of materials, which should be of interest for biologists and medical doctors.
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Affiliation(s)
- Anatolii Abalymov
- Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | | | - Andre G. Skirtach
- Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
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36
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Van der Meeren L, Li J, Parakhonskiy BV, Krysko DV, Skirtach AG. Classification of analytics, sensorics, and bioanalytics with polyelectrolyte multilayer capsules. Anal Bioanal Chem 2020; 412:5015-5029. [PMID: 32103307 DOI: 10.1007/s00216-020-02428-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/05/2020] [Accepted: 01/15/2020] [Indexed: 12/17/2022]
Abstract
Polyelectrolyte multilayer (PEM) capsules, constructed by LbL (layer-by-layer)-adsorbing polymers on sacrificial templates, have become important carriers due to multifunctionality of materials adsorbed on their surface or encapsulated into their interior. They have been also been used broadly used as analytical tools. Chronologically and traditionally, chemical analytics has been developed first, which has long been synonymous with all analytics. But it is not the only development. To the best of our knowledge, a summary of all advances including their classification is not available to date. Here, we classify analytics, sensorics, and biosensorics functionalities implemented with polyelectrolyte multilayer capsules and coated particles according to the respective stimuli and application areas. In this classification, three distinct categories are identified: (I) chemical analytics (pH; K+, Na+, and Pb2+ ion; oxygen; and hydrogen peroxide sensors and chemical sensing with surface-enhanced Raman scattering (SERS)); (II) physical sensorics (temperature, mechanical properties and forces, and osmotic pressure); and (III) biosensorics and bioanalytics (fluorescence, glucose, urea, and protease biosensing and theranostics). In addition to this classification, we discuss also principles of detection using the above-mentioned stimuli. These application areas are expected to grow further, but the classification provided here should help (a) to realize the wealth of already available analytical and bioanalytical tools developed with capsules using inputs of chemical, physical, and biological stimuli and (b) to position future developments in their respective fields according to employed stimuli and application areas. Graphical abstract.
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Affiliation(s)
- Louis Van der Meeren
- Nano-Biotechnology Group, Department of Biotechnology, Ghent University, 9000, Ghent, Belgium
| | - Jie Li
- Nano-Biotechnology Group, Department of Biotechnology, Ghent University, 9000, Ghent, Belgium
| | - Bogdan V Parakhonskiy
- Nano-Biotechnology Group, Department of Biotechnology, Ghent University, 9000, Ghent, Belgium
| | - Dmitri V Krysko
- Cell Death Investigation and Therapy Laboratory, Department of Human Structure and Repair, Ghent University, 9000, Ghent, Belgium.,Cancer Research Institute Ghent, 9000, Ghent, Belgium.,Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhni Novgorod, Nizhni Novgorod, Russian Federation, 603950
| | - Andre G Skirtach
- Nano-Biotechnology Group, Department of Biotechnology, Ghent University, 9000, Ghent, Belgium. .,Cancer Research Institute Ghent, 9000, Ghent, Belgium. .,Advanced Light Microscopy Centre, Ghent University, 9000, Ghent, Belgium.
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37
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Liu Y, Gai M, Sukvanitvichai D, Frueh J, Sukhorukov GB. pH dependent degradation properties of lactide based 3D microchamber arrays for sustained cargo release. Colloids Surf B Biointerfaces 2020; 188:110826. [PMID: 32007703 DOI: 10.1016/j.colsurfb.2020.110826] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 12/18/2022]
Abstract
Encapsulation of small water soluble molecules is important in a large variety of applications, ranging from medical substance releasing implants in the field of medicine over release of catalytically active substances in the field of chemical processing to anti-corrosion agents in industry. In this work polylactic acid (PLA) based hollow-structured microchamber (MC) arrays are fabricated via one-step dip coating of a silicone rubber stamp into PLA solution. These PLA MCs are able to retain small water soluble molecules (Rhodamine B) stably entrapped within aqueous environments. It is shown, that degradation of PLA MCs strongly depends on environmental conditions like surrounding pH and follows first order degradation kinetics. This pH dependent PLA MC degradation can be utilized to control the release kinetics of encapsulated cargo.
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Affiliation(s)
- Yuechi Liu
- Key Laboratory of Micro-systems and Micro-structures Manufacturing Ministry of Education, Harbin Institute of Technology, Harbin, 150001, China
| | - Meiyu Gai
- Max Plank Institute of Polymer Research, Ackermannweg 10, 55128, Mainz, Germany; School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom.
| | - Dusita Sukvanitvichai
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom
| | - Johannes Frueh
- Key Laboratory of Micro-systems and Micro-structures Manufacturing Ministry of Education, Harbin Institute of Technology, Harbin, 150001, China; Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Stefano-Franscini-Platz 3, 8093, Zürich, Switzerland.
| | - Gleb B Sukhorukov
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom; Skolkovo Institute of Science and Technology, Moscow, 143025, Russia.
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38
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Zyuzin MV, Ramos-Cabrer P, Carregal-Romero S. Encapsulation of Enzymes in Porous Capsules via Particle Templating. Methods Mol Biol 2020; 2100:227-241. [PMID: 31939127 DOI: 10.1007/978-1-0716-0215-7_15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The entrapment of enzymes in capsules is a smart strategy to concentrate them in confined spaces and control their exposure to outside environments. Enzymes can be caged in the interior of capsules during their formation (preloading) or postloaded within prefabricated and permeable hollow shells. On the other hand, enzymes can also be deposited within the shell or on the surface of the capsules. Each of these strategies has intrinsic limitations, and a common enemy is the undesired desorption of enzymes.Here, we describe the formation of enzyme-loaded polymeric capsules prepared with the Layer-by-Layer method and the template-assisted entrapment of enzymes through coprecipitation (preloading) within calcium carbonate particles, as an example of an efficient preloading strategy, and draw attention at the key parameters that influence this immobilization method.
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Affiliation(s)
- Mikhail V Zyuzin
- Faculty of Physics and Engineering, ITMO University, St. Petersburg, Russia
| | - Pedro Ramos-Cabrer
- Magnetic Resonance Imaging Lab, CIC biomaGUNE, Donostia-San Sebastian, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Susana Carregal-Romero
- Molecular and Functional Biomarkers, CIC biomaGUNE, Donostia-San Sebastian, Spain.
- CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain.
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39
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Sindeeva OA, Verkhovskii RA, Abdurashitov AS, Voronin DV, Gusliakova OI, Kozlova AA, Mayorova OA, Ermakov AV, Lengert EV, Navolokin NA, Tuchin VV, Gorin DA, Sukhorukov GB, Bratashov DN. Effect of Systemic Polyelectrolyte Microcapsule Administration on the Blood Flow Dynamics of Vital Organs. ACS Biomater Sci Eng 2019; 6:389-397. [PMID: 33463221 DOI: 10.1021/acsbiomaterials.9b01669] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Polyelectrolyte microcapsules and other targeted drug delivery systems could substantially reduce the side effects of drug and overall toxicity. At the same time, the cardiovascular system is a unique transport avenue that can deliver drug carriers to any tissue and organ. However, one of the most important potential problems of drug carrier systemic administration in clinical practice is that the carriers might cause circulatory disorders, the development of pulmonary embolism, ischemia, and tissue necrosis due to the blockage of small capillaries. Thus, the presented work aims to find out the processes occurring in the bloodstream after the systemic injection of polyelectrolyte capsules that are 5 μm in size. It was shown that 1 min after injection, the number of circulating capsules decreases several times, and after 15 min less than 1% of the injected dose is registered in the blood. By this time, most capsules accumulate in the lungs, liver, and kidneys. However, magnetic field action could slightly increase the accumulation of capsules in the region-of-interest. For the first time, we have investigated the real-time blood flow changes in vital organs in vivo after intravenous injection of microcapsules using a laser speckle contrast imaging system. We have demonstrated that the organism can adapt to the emergence of drug carriers in the blood and their accumulation in the vessels of vital organs. Additionally, we have evaluated the safety of the intravenous administration of various doses of microcapsules.
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Affiliation(s)
- Olga A Sindeeva
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,Peoples' Friendship University of Russia, 6 Mikluho-Maklaya St., Moscow 117198, Russia
| | - Roman A Verkhovskii
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,Yuri Gagarin State Technical University of Saratov, 77 Politekhnicheskaya st., Saratov 410054, Russia
| | - Arkady S Abdurashitov
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,Tomsk State University, 36 Lenin Ave., Tomsk 634050, Russia
| | - Denis V Voronin
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,National University of Oil and Gas (Gubkin University), 65 Leninsky Prospekt, Moscow 119991, Russia
| | - Olga I Gusliakova
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,Skolkovo Institute of Science and Technology, 3 Nobelya st., Moscow 121205, Russia
| | | | - Oksana A Mayorova
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia
| | - Aleksey V Ermakov
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia
| | - Ekaterina V Lengert
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,Ghent University, 653 Coupure Links, Ghent 9000, Belgium
| | - Nikita A Navolokin
- Saratov State Medical University, 112 Bolshaya Kazachia st., Saratov 410012, Russia
| | - Valery V Tuchin
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,National University of Oil and Gas (Gubkin University), 65 Leninsky Prospekt, Moscow 119991, Russia.,Institute of Precision Mechanics and Control, Russian Academy of Sciences, 24 Rabochaya St., Saratov 410028, Russia
| | - Dmitry A Gorin
- Skolkovo Institute of Science and Technology, 3 Nobelya st., Moscow 121205, Russia
| | - Gleb B Sukhorukov
- Peoples' Friendship University of Russia, 6 Mikluho-Maklaya St., Moscow 117198, Russia.,Skolkovo Institute of Science and Technology, 3 Nobelya st., Moscow 121205, Russia.,Queen Mary University of London, Mile End Road, London E1 4NS, U.K
| | - Daniil N Bratashov
- Saratov State University, 83 Astrakhanskaya st., Saratov 410012, Russia.,Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow 141701, Russia
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40
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Masi M, Bollella P, Katz E. DNA Release from a Modified Electrode Triggered by a Bioelectrocatalytic Process. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47625-47634. [PMID: 31794177 DOI: 10.1021/acsami.9b18427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
DNA release from an electrode surface was stimulated by application of a mild electrical potential (0 V vs Ag/AgCl). The release process was activated by interfacial pH increase originating from H+ consumption during O2 reduction bio-electrocatalyzed by bilirubin oxidase immobilized at the electrode surface. The pH increase resulted in a change of the electrical charge from positive to negative at the surface of SiO2 nanoparticles (200 nm) associated with the electrode surface and functionalized with trigonelline and boronic acid. While the negatively charged DNA molecules were electrostatically bound to the positively charged surface, the negative charge produced upon O2 reduction resulted in the DNA repulsion and release from the modified interface. The small electrical potential for O2 reduction resulting in the interface recharge was allowed due to the bio-electrocatalysis using bilirubin oxidase enzyme. While, in the first set of experiments, the potential was applied on the modified electrode from an electrochemical instrument, later it was generated in situ by biocatalytic or photo-biocatalytic processes at a connected electrode. A multistep biocatalytic cascade generating NADH or photosynthetic process in thylakoid membranes was used to produce in situ a small potential to stimulate the DNA release catalyzed by bilirubin oxidase. The designed system can be used for different release processes triggered by various signals (electrical, biomolecular, and light signals, etc.), thus representing a general interfacial platform for the controlled release of different biomolecules and nanosize species.
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Affiliation(s)
- Madeline Masi
- Department of Chemistry and Biomolecular Science , Clarkson University , Potsdam , New York 13699-5810 , United States
| | - Paolo Bollella
- Department of Chemistry and Biomolecular Science , Clarkson University , Potsdam , New York 13699-5810 , United States
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science , Clarkson University , Potsdam , New York 13699-5810 , United States
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41
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Kurapati R, Groth TW, Raichur AM. Recent Developments in Layer-by-Layer Technique for Drug Delivery Applications. ACS APPLIED BIO MATERIALS 2019; 2:5512-5527. [DOI: 10.1021/acsabm.9b00703] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rajendra Kurapati
- CÚRAM, SFI Research Centre for Medical Devices, National University of Ireland, Galway H91 W2TY, Ireland
| | | | - Ashok M. Raichur
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India
- Nanotechnology and Water Sustainability Unit, University of South Africa, Florida 1710, South Africa
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42
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Masi M, Bollella P, Katz E. Biomolecular Release Stimulated by Electrochemical Signals at a Very Small Potential Applied. ELECTROANAL 2019. [DOI: 10.1002/elan.201900377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Madeline Masi
- Department of Chemistry and Biomolecular ScienceClarkson University Potsdam NY 13699–5810 USA
| | - Paolo Bollella
- Department of Chemistry and Biomolecular ScienceClarkson University Potsdam NY 13699–5810 USA
| | - Evgeny Katz
- Department of Chemistry and Biomolecular ScienceClarkson University Potsdam NY 13699–5810 USA
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43
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Parakhonskiy BV, Parak WJ, Volodkin D, Skirtach AG. Hybrids of Polymeric Capsules, Lipids, and Nanoparticles: Thermodynamics and Temperature Rise at the Nanoscale and Emerging Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:8574-8583. [PMID: 30964686 DOI: 10.1021/acs.langmuir.8b04331] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
The importance of thermodynamics does not need to be emphasized. Indeed, elevated temperature processes govern not only industrial scale production but also self-assembly, chemical reaction, interaction between molecules, etc. Not surprisingly, biological processes typically take place at a specific temperature. Here, we look at possibilities to raise the localized temperature by a laser around noble-metal nanoparticles incorporated into shells of layer-by-layer polyelectrolyte microcapsules-freely suspended delivery vehicles in an aqueous solution, developed in the Department of Interfaces, Max Planck Institute of Colloids and Interfaces, headed by Helmuth Möhwald. Understanding the mechanisms of localized temperature rise is essential, that is why we analyze the influence of incident intensity, nanoparticle size, their distribution and aggregation state, as well as thermodynamics at the nanoscale. This leads us to scrutinize "global" (used for thermal encapsulation) versus "local" (used for release of encapsulated materials) temperature rise. Similar analysis is extended to planar polymeric coatings, the lipid membrane system of vesicles and cells, on which nanoparticles are adsorbed. Insights are provided into the mechanisms of physicochemical and biological effects, the nature of which has always been profoundly, interactively, and engagingly discussed in the Department of Interfaces. This analysis is combined with recent developments providing outlook and highlighting a broad range of emerging applications.
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Affiliation(s)
- Bogdan V Parakhonskiy
- Nano-BioTechnology Group, Department of Biotechnology, Faculty of Bioscience Engineering , Ghent University , 9000 Ghent , Belgium
| | - Wolfgang J Parak
- Center for Hybrid Nanostructures (CHyN), Fachberich Physik , University of Hamburg , D-22761 Hamburg , Germany
| | - Dmitry Volodkin
- School Science & Technology , Nottingham Trent University , Clifton Lane, Nottingham NG11 8NS , United Kingdom
| | - Andre G Skirtach
- Nano-BioTechnology Group, Department of Biotechnology, Faculty of Bioscience Engineering , Ghent University , 9000 Ghent , Belgium
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Zhao S, Caruso F, Dähne L, Decher G, De Geest BG, Fan J, Feliu N, Gogotsi Y, Hammond PT, Hersam MC, Khademhosseini A, Kotov N, Leporatti S, Li Y, Lisdat F, Liz-Marzán LM, Moya S, Mulvaney P, Rogach AL, Roy S, Shchukin DG, Skirtach AG, Stevens MM, Sukhorukov GB, Weiss PS, Yue Z, Zhu D, Parak WJ. The Future of Layer-by-Layer Assembly: A Tribute to ACS Nano Associate Editor Helmuth Möhwald. ACS NANO 2019; 13:6151-6169. [PMID: 31124656 DOI: 10.1021/acsnano.9b03326] [Citation(s) in RCA: 141] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Layer-by-layer (LbL) assembly is a widely used tool for engineering materials and coatings. In this Perspective, dedicated to the memory of ACS Nano associate editor Prof. Dr. Helmuth Möhwald, we discuss the developments and applications that are to come in LbL assembly, focusing on coatings, bulk materials, membranes, nanocomposites, and delivery vehicles.
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Affiliation(s)
- Shuang Zhao
- Fachbereich Physik, CHyN , Universität Hamburg , 22607 Hamburg , Germany
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering , The University of Melbourne , Parkville , Victoria 3010 , Australia
| | - Lars Dähne
- Surflay Nanotec GmbH , 12489 Berlin , Germany
| | - Gero Decher
- CNRS Institut Charles Sadron, Faculté de Chimie , Université de Strasbourg, Int. Center for Frontier Research in Chemistry , Strasbourg F-67034 , France
- Int. Center for Materials Nanoarchitectonics , Ibaraki 305-0044 , Japan
| | - Bruno G De Geest
- Department of Pharmaceutics , Ghent University , 9000 Ghent , Belgium
| | - Jinchen Fan
- Department of Chemical Engineering and Biointerfaces Institute , University of Michigan , Ann Arbor , Michigan 48105 , United States
| | - Neus Feliu
- Fachbereich Physik, CHyN , Universität Hamburg , 22607 Hamburg , Germany
| | - Yury Gogotsi
- Department of Materials Science and Engineering and A. J. Drexel Nanomaterials Institute , Drexel University , Philadelphia , Pennsylvania 19104 , United States
| | - Paula T Hammond
- Department of Chemical Engineering , Massachusetts Institute of Technology , Cambridge , Massachusetts 02459 , United States
| | - Mark C Hersam
- Department of Materials Science and Engineering , Northwestern University , Evanston , Illinois 60208-3108 , United States
| | - Ali Khademhosseini
- Department of Bioengineering, Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI) , University of California, Los Angeles , Los Angeles , California 90095 , United States
| | - Nicholas Kotov
- Department of Chemical Engineering and Biointerfaces Institute , University of Michigan , Ann Arbor , Michigan 48105 , United States
- Michigan Institute for Translational Nanotechnology , Ypsilanti , Michigan 48198 , United States
| | - Stefano Leporatti
- CNR Nanotec-Istituto di Nanotecnologia , Italian National Research Council , Lecce 73100 , Italy
| | - Yan Li
- College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China
| | - Fred Lisdat
- Biosystems Technology, Institute for Applied Life Sciences , Technical University , D-15745 Wildau , Germany
| | - Luis M Liz-Marzán
- CIC biomaGUNE , San Sebastian 20009 , Spain
- Ikerbasque, Basque Foundation for Science , Bilbao 48013 , Spain
| | | | - Paul Mulvaney
- ARC Centre of Excellence in Exciton Science, School of Chemistry , University of Melbourne , Parkville , Victoria 3010 , Australia
| | - Andrey L Rogach
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP) , City University of Hong Kong , Kowloon Tong , Hong Kong SAR
| | - Sathi Roy
- Fachbereich Physik, CHyN , Universität Hamburg , 22607 Hamburg , Germany
| | - Dmitry G Shchukin
- Stephenson Institute for Renewable Energy, Department of Chemistry , University of Liverpool , Liverpool L69 7ZF , United Kingdom
| | - Andre G Skirtach
- Nano-BioTechnology group, Department of Biotechnology, Faculty of Bioscience Engineering , Ghent University , 9000 Ghent , Belgium
| | - Molly M Stevens
- Department of Materials, Department of Bioengineering and Institute for Biomedical Engineering , Imperial College London , London SW7 2AZ , United Kingdom
| | - Gleb B Sukhorukov
- School of Engineering and Materials Science , Queen Mary University of London , London E1 4NS , United Kingdom
| | - Paul S Weiss
- Department of Bioengineering, Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI) , University of California, Los Angeles , Los Angeles , California 90095 , United States
- Department of Chemistry and Biochemistry and Department of Materials Science and Engineering , University of California, Los Angeles , Los Angeles , California 90095 , United States
| | - Zhao Yue
- Department of Microelectronics , Nankai University , Tianjin 300350 , China
| | - Dingcheng Zhu
- Fachbereich Physik, CHyN , Universität Hamburg , 22607 Hamburg , Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN , Universität Hamburg , 22607 Hamburg , Germany
- CIC biomaGUNE , San Sebastian 20009 , Spain
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Roy S, Elbaz NM, Parak WJ, Feliu N. Biodegradable Alginate Polyelectrolyte Capsules As Plausible Biocompatible Delivery Carriers. ACS APPLIED BIO MATERIALS 2019; 2:3245-3256. [DOI: 10.1021/acsabm.9b00203] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sathi Roy
- Faculty of Physics, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, Hamburg, Germany
| | - Nancy M. Elbaz
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, United Kingdom
| | - Wolfgang J. Parak
- Faculty of Physics, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, Hamburg, Germany
| | - Neus Feliu
- Faculty of Physics, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, Hamburg, Germany
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Saveleva MS, Eftekhari K, Abalymov A, Douglas TEL, Volodkin D, Parakhonskiy BV, Skirtach AG. Hierarchy of Hybrid Materials-The Place of Inorganics- in-Organics in it, Their Composition and Applications. Front Chem 2019; 7:179. [PMID: 31019908 PMCID: PMC6459030 DOI: 10.3389/fchem.2019.00179] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 03/07/2019] [Indexed: 12/21/2022] Open
Abstract
Hybrid materials, or hybrids incorporating both organic and inorganic constituents, are emerging as a very potent and promising class of materials due to the diverse, but complementary nature of the properties inherent of these different classes of materials. The complementarity leads to a perfect synergy of properties of desired material and eventually an end-product. The diversity of resultant properties and materials used in the construction of hybrids, leads to a very broad range of application areas generated by engaging very different research communities. We provide here a general classification of hybrid materials, wherein organics-in-inorganics (inorganic materials modified by organic moieties) are distinguished from inorganics-in-organics (organic materials or matrices modified by inorganic constituents). In the former area, the surface functionalization of colloids is distinguished as a stand-alone sub-area. The latter area-functionalization of organic materials by inorganic additives-is the focus of the current review. Inorganic constituents, often in the form of small particles or structures, are made of minerals, clays, semiconductors, metals, carbons, and ceramics. They are shown to be incorporated into organic matrices, which can be distinguished as two classes: chemical and biological. Chemical organic matrices include coatings, vehicles and capsules assembled into: hydrogels, layer-by-layer assembly, polymer brushes, block co-polymers and other assemblies. Biological organic matrices encompass bio-molecules (lipids, polysaccharides, proteins and enzymes, and nucleic acids) as well as higher level organisms: cells, bacteria, and microorganisms. In addition to providing details of the above classification and analysis of the composition of hybrids, we also highlight some antagonistic yin-&-yang properties of organic and inorganic materials, review applications and provide an outlook to emerging trends.
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Affiliation(s)
- Mariia S. Saveleva
- Nano-BioTechnology Group, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Remote Controlled Theranostic Systems Lab, Educational Research Institute of Nanostructures and Biosystems, Saratov State University, Saratov, Russia
| | - Karaneh Eftekhari
- Nano-BioTechnology Group, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Anatolii Abalymov
- Remote Controlled Theranostic Systems Lab, Educational Research Institute of Nanostructures and Biosystems, Saratov State University, Saratov, Russia
| | - Timothy E. L. Douglas
- Engineering Department and Materials Science Institute (MSI), Lancaster University, Lancaster, United Kingdom
| | - Dmitry Volodkin
- School of Science & Technology, Nottingham Trent University, Nottingham, United Kingdom
| | - Bogdan V. Parakhonskiy
- Nano-BioTechnology Group, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Andre G. Skirtach
- Nano-BioTechnology Group, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
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Andersson Trojer M, Gabul-Zada AA, Ananievskaia A, Nordstierna L, Östman M, Blanck H. Use of anchoring amphiphilic diblock copolymers for encapsulation of hydrophilic actives in polymeric microcapsules: methodology and encapsulation efficiency. Colloid Polym Sci 2019. [DOI: 10.1007/s00396-018-04463-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Elizarova IS, Luckham PF. Layer-by-layer adsorption: Factors affecting the choice of substrates and polymers. Adv Colloid Interface Sci 2018; 262:1-20. [PMID: 30448237 DOI: 10.1016/j.cis.2018.11.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/04/2018] [Accepted: 11/06/2018] [Indexed: 01/10/2023]
Abstract
The electrostatic layer-by-layer technique for fabrication of multi-layered structures of various sizes and shapes using flat and colloidal templates coupled with polyelectrolyte layer-forming materials has attracted significant interest among both academic and industrial researchers due to its versatility and relative simplicity of the procedures involved in its execution. Fabrication of the multi-layered structures using the electrostatic layer-by-layer method involves several distinct stages each of which holds great importance when considering the production of a high-quality product. These stages include selection of materials (both template and a pair of construction polyelectrolytes), adsorption of the first polyelectrolyte layer onto the selected templates, formation of the second layer comprised of the oppositely charged polyelectrolyte and guided by the interactions between the two chosen polyelectrolytes, and multi-layering, where a selected number of layers are produced, and which is conditioned by both intrinsic properties of the involved construction materials and external fabrication conditions such as temperature, pH and ionic strength. The current review summarises the most important aspects of each stage mentioned above and gives examples of the materials suitable for utilization of the technique and describes the underlying physics involved.
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Kozlovskaya V, Chen J, Zavgorodnya O, Hasan MB, Kharlampieva E. Multilayer Hydrogel Capsules of Interpenetrated Network for Encapsulation of Small Molecules. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:11832-11842. [PMID: 30188139 DOI: 10.1021/acs.langmuir.8b02465] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We report on a facile capsule-based platform for efficient encapsulation of a broad spectrum of hydrophilic compounds with molecular weight less than 1000 g mol-1. The encapsulated compounds extend from low-molecular-weight anionic Alexa Fluor 532 dye and cationic anticancer drug doxorubicin (DOX) to fluorescein isothiocyanate-dextrans with Mw ranging from 4000 to 40 000 g mol-1. The pH-sensitive hydrogel capsules with an interpenetrated network shell are synthesized by layer-by-layer assembly of poly(methacrylic acid) (PMAA, Mw = 150 000 g mol-1) and poly( N-vinylpyrrolidone) (PVPON, Mw = 1 300 000 g mol-1) on 5 μm silica microparticles followed by chemical cross-linking of the PMAA multilayers. Following core dissolution, the result is a hollow microcapsule with PVPON interpenetrated in the PMAA network. The capsules exhibit a reversible change in the diameter with a swelling ratio of 1.5 upon pH variation from 7.5 to 5.5. Capsules cross-linked for 4 h display high permeability toward molecules with molecular weight under 1000 g mol-1 at pH = 7.5 but exclude dextran molecules with Mw ≥ 40 000 g mol-1. Encapsulation of small molecules was achieved at pH = 7.5 followed by sealing the capsule wall with 40 000 g mol-1 dextran at pH = 5.5. This approach results in negatively charged molecules such as Alexa Fluor being entrapped within the capsule cavity, whereas positively charged molecules such as DOX are encapsulated within the negatively charged capsule shell. Considering the simple postloading approach, the ability to entrap both anionic and cationic small molecules, and the pH-responsiveness of the interpenetrated network in the physiologically relevant range, these capsules offer a versatile method for controlled delivery of multiple hydrophilic compounds.
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Brueckner M, Scheffler K, Reibetanz U. Enhanced cytoplasmic release of drug delivery systems: chloroquine as a multilayer and template constituent of layer-by-layer microcarriers. J Mater Chem B 2018; 6:5153-5163. [PMID: 32254542 DOI: 10.1039/c8tb01202d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Nano- and microcarriers as vehicles for active agents are applied to support them to reach their target in a defined, specific, and protected way. This implies not only a safe transport of agents towards the desired cell type or tissue but also the intracellular processing of the carrier: in particular, release of the incorporated carriers into the cytoplasm is a prerequisite for the successful subsequent delivery of most active agents and is often impeded by endolysosomal degenerative enzymes. We address this issue by using the layer-by-layer strategy of carrier assembly offering the opportunity to independently integrate and carry active agents but also specific agents preventing endolysosomal acidification. The weak base chloroquine (CQ) was investigated as a multilayer, template and capsule constituent regarding its ability to delay endolysosomal acidification and prolong the tolerable time frame in endolysosomes, which allows the carrier to finally escape into the cytoplasm. As a model and reporter active agent, plasmid encoding enhanced green fluorescent protein was used as a multilayer-assembly component to illustrate the cytoplasmic release of the intact carrier by final expression of the green fluorescent protein. Integrating CQ into the carrier, GFP expression could be strongly increased and a transfection efficiency of up to 20% could be obtained. This represents a very high transfection rate for a drug delivery system reached by only one additional reagent that has no further influence on the activity of the transported drug and cell viability, offering a significantly enhanced delivery efficiency.
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Affiliation(s)
- Mandy Brueckner
- Institute for Medical Physics and Biophysics, University of Leipzig, Härtelstr. 16-18, 04107 Leipzig, Germany.
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