1
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Liu F, Qu P, Weiss J, Guo K, Weck M. Substrate Channeling in Compartmentalized Nanoreactors. Macromolecules 2024; 57:6805-6815. [PMID: 39071043 PMCID: PMC11270995 DOI: 10.1021/acs.macromol.4c00697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/28/2024] [Accepted: 06/18/2024] [Indexed: 07/30/2024]
Abstract
Thermo- and photoresponsive nanoreactors based on shell cross-linked micelles (SCMs) for the rhodium-catalyzed asymmetric transfer hydrogenation (ATH) of ketones have been developed from poly(2-oxazoline) triblock terpolymers. The nanoreactors incorporate thermoresponsive poly(2-isopropyl-2-oxazoline) as the hydrophilic corona and are covalently cross-linked with a photoswitchable spiropyran molecule. UV irradiation or changes in temperature trigger morphology switching of the polymer-based nanoreactors that alters the hydrophobicity in separate layers of the SCMs, resulting in dynamic substrate selectivity of the ATH in water. Control experiments and kinetic studies show that the thermoresponsive outer layer induces the gated behavior for more hydrophobic substrates, whereas the photoresponsive cross-linking layer induces the gated behavior for less hydrophobic substrates. The nanoreactors mimic the multichannels in Nature, transporting substrates and reagents into the catalytic core which can be controlled through external triggers such as temperature and light wavelengths. Additionally, the nanoreactors can be easily recovered and reused with continued high activity and selectivities.
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Affiliation(s)
- Fangbei Liu
- Molecular Design Institute and Department
of Chemistry, New York University, New York, New York 10003-6688, United
States
| | | | - Jeremy Weiss
- Molecular Design Institute and Department
of Chemistry, New York University, New York, New York 10003-6688, United
States
| | - Kunhao Guo
- Molecular Design Institute and Department
of Chemistry, New York University, New York, New York 10003-6688, United
States
| | - Marcus Weck
- Molecular Design Institute and Department
of Chemistry, New York University, New York, New York 10003-6688, United
States
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2
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Tang Q, Tan Y, Leng S, Liu Q, Zhu L, Wang C. Cupric-polymeric nanoreactors integrate into copper metabolism to promote chronic diabetic wounds healing. Mater Today Bio 2024; 26:101087. [PMID: 38784443 PMCID: PMC11111831 DOI: 10.1016/j.mtbio.2024.101087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 04/13/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
Given multifunction of copper (Cu) contributing to all stages of the physiology of wound healing, Cu-based compounds have great therapeutic potentials to accelerate the wound healing, but they must be limited to a very low concentration range to avoid detrimental accumulation. Additionally, the cellular mechanism of Cu-based compounds participating the healing process remains elusive. In this study, copper oxide nanoparticles (CuONPs) were synthesized to mimic the multiple natural enzymes and trapped into PEG-b-PCL polymersomes (PS) to construct cupric-polymeric nanoreactors (CuO@PS) via a direct hydration method, thus allowing to compartmentalize Cu-based catalytic reactions in an isolated space to improve the efficiency, selectivity, recyclability as well as biocompatibility. While nanoreactors trafficked to lysosomes following endocytosis, the released Cu-based compounds in lysosomal lumen drove a cytosolic Cu+ influx to mobilize Cu metabolism mostly via Atox1-ATP7a/b-Lox axis, thereby activating the phosphorylation of mitogen-activated protein kinase 1 and 2 (MEK1/2) to initiate downstream signaling events associated with cell proliferation, migration and angiogenesis. Moreover, to facilitate to lay on wounds, cupric-polymeric nanoreactors were finely dispersed into a thermosensitive Pluronic F127 hydrogel to form a composite hydrogel sheet that promoted the healing of chronic wounds in diabetic rat models. Hence, cupric-polymeric nanoreactors represented an attractive translational strategy to harness cellular Cu metabolism for chronic wounds healing.
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Affiliation(s)
- Qi Tang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yinqiu Tan
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, China
| | - Shaolong Leng
- Department of Dermatovenereology, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Qi Liu
- The First Dongguan Affiliated Hospital Guangdong Medical University No. 42, Jiaoping Road Dongguan, Guangdong, 523710, China
| | - Linyu Zhu
- Department of Dermatovenereology, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Cuifeng Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- Department of Neurosurgery, JiuJiang Hospital of Traditional Chinese Medicine, Jiujiang, China
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3
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Maffeis V, Heuberger L, Nikoletić A, Schoenenberger C, Palivan CG. Synthetic Cells Revisited: Artificial Cells Construction Using Polymeric Building Blocks. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305837. [PMID: 37984885 PMCID: PMC10885666 DOI: 10.1002/advs.202305837] [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: 08/18/2023] [Revised: 10/06/2023] [Indexed: 11/22/2023]
Abstract
The exponential growth of research on artificial cells and organelles underscores their potential as tools to advance the understanding of fundamental biological processes. The bottom-up construction from a variety of building blocks at the micro- and nanoscale, in combination with biomolecules is key to developing artificial cells. In this review, artificial cells are focused upon based on compartments where polymers are the main constituent of the assembly. Polymers are of particular interest due to their incredible chemical variety and the advantage of tuning the properties and functionality of their assemblies. First, the architectures of micro- and nanoscale polymer assemblies are introduced and then their usage as building blocks is elaborated upon. Different membrane-bound and membrane-less compartments and supramolecular structures and how they combine into advanced synthetic cells are presented. Then, the functional aspects are explored, addressing how artificial organelles in giant compartments mimic cellular processes. Finally, how artificial cells communicate with their surrounding and each other such as to adapt to an ever-changing environment and achieve collective behavior as a steppingstone toward artificial tissues, is taken a look at. Engineering artificial cells with highly controllable and programmable features open new avenues for the development of sophisticated multifunctional systems.
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Affiliation(s)
- Viviana Maffeis
- Department of ChemistryUniversity of BaselMattenstrasse 22BaselCH‐4002Switzerland
- NCCR‐Molecular Systems EngineeringBPR 1095, Mattenstrasse 24aBaselCH‐4058Switzerland
| | - Lukas Heuberger
- Department of ChemistryUniversity of BaselMattenstrasse 22BaselCH‐4002Switzerland
| | - Anamarija Nikoletić
- Department of ChemistryUniversity of BaselMattenstrasse 22BaselCH‐4002Switzerland
- Swiss Nanoscience InstituteUniversity of BaselKlingelbergstrasse 82BaselCH‐4056Switzerland
| | | | - Cornelia G. Palivan
- Department of ChemistryUniversity of BaselMattenstrasse 22BaselCH‐4002Switzerland
- NCCR‐Molecular Systems EngineeringBPR 1095, Mattenstrasse 24aBaselCH‐4058Switzerland
- Swiss Nanoscience InstituteUniversity of BaselKlingelbergstrasse 82BaselCH‐4056Switzerland
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4
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Zhu Y, Cao S, Huo M, van Hest JCM, Che H. Recent advances in permeable polymersomes: fabrication, responsiveness, and applications. Chem Sci 2023; 14:7411-7437. [PMID: 37449076 PMCID: PMC10337762 DOI: 10.1039/d3sc01707a] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/14/2023] [Indexed: 07/18/2023] Open
Abstract
Polymersomes are vesicular nanostructures enclosed by a bilayer-membrane self-assembled from amphiphilic block copolymers, which exhibit higher stability compared with their biological analogues (e.g. liposomes). Due to their versatility, polymersomes have found various applications in different research fields such as drug delivery, nanomedicine, biological nanoreactors, and artificial cells. However, polymersomes prepared with high molecular weight components typically display low permeability to molecules and ions. It hence remains a major challenge to balance the opposing features of robustness and permeability of polymersomes. In this review, we focus on the design and strategies for fabricating permeable polymersomes, including polymersomes with intrinsic permeability, the formation of nanopores in the membrane bilayers by protein insertion, and the construction of stimuli-responsive polymersomes. Then, we highlight the applications of permeable polymersomes in the fields of biomimetic nanoreactors, artificial cells and organelles, and nanomedicine, to underline the challenges in the development of polymersomes as soft matter with biomedical utilities.
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Affiliation(s)
- Yanyan Zhu
- Department of Chemical Engineering, School of Environmental and Chemical Engineerin, Shanghai University Shanghai 200444 China
| | - Shoupeng Cao
- Max Planck Institute for Polymer Research Mainz 55128 Germany
| | - Meng Huo
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Jan C M van Hest
- Department of Chemical Engineering and Chemistry, Department of Biomedical Engineering, Institute for Complex Molecular Systems, Eindhoven University of Technology Eindhoven 5600 MB The Netherlands
| | - Hailong Che
- Department of Chemical Engineering, School of Environmental and Chemical Engineerin, Shanghai University Shanghai 200444 China
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5
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Xu X, Moreno S, Boye S, Wang P, Voit B, Appelhans D. Artificial Organelles with Digesting Characteristics: Imitating Simplified Lysosome- and Macrophage-Like Functions by Trypsin-Loaded Polymersomes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2207214. [PMID: 37076948 DOI: 10.1002/advs.202207214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/12/2023] [Indexed: 05/03/2023]
Abstract
Defects in cellular protein/enzyme encoding or even in organelles are responsible for many diseases. For instance, dysfunctional lysosome or macrophage activity results in the unwanted accumulation of biomolecules and pathogens implicated in autoimmune, neurodegenerative, and metabolic disorders. Enzyme replacement therapy (ERT) is a medical treatment that replaces an enzyme that is deficient or absent in the body but suffers from short lifetime of the enzymes. Here, this work proposes the fabrication of two different pH-responsive and crosslinked trypsin-loaded polymersomes as protecting enzyme carriers mimicking artificial organelles (AOs). They allow the enzymatic degradation of biomolecules to mimic simplified lysosomal function at acidic pH and macrophage functions at physiological pH. For optimal working of digesting AOs in different environments, pH and salt composition are considered the key parameters, since they define the permeability of the membrane of the polymersomes and the access of model pathogens to the loaded trypsin. Thus, this work demonstrates environmentally controlled biomolecule digestion by trypsin-loaded polymersomes also under simulated physiological fluids, allowing a prolonged therapeutic window due to protection of the enzyme in the AOs. This enables the application of AOs in the fields of biomimetic therapeutics, specifically in ERT for dysfunctional lysosomal diseases.
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Affiliation(s)
- Xiaoying Xu
- Deaprtment Bioactive and Responsive Polymers, Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany
- Organic Chemistry of Polymers, Technische Universität Dresden, D-01062, Dresden, Germany
| | - Silvia Moreno
- Deaprtment Bioactive and Responsive Polymers, Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany
| | - Susanne Boye
- Center Macromolecular Structure Analysis, Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany
| | - Peng Wang
- Deaprtment Bioactive and Responsive Polymers, Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany
| | - Brigitte Voit
- Deaprtment Bioactive and Responsive Polymers, Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany
- Organic Chemistry of Polymers, Technische Universität Dresden, D-01062, Dresden, Germany
| | - Dietmar Appelhans
- Deaprtment Bioactive and Responsive Polymers, Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany
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6
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Saini B, Mukherjee TK. Synthetic Protocell as Efficient Bioreactor: Enzymatic Superactivity and Ultrasensitive Glucose Sensing in Urine. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53462-53474. [PMID: 36404589 DOI: 10.1021/acsami.2c13112] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
It is believed that membraneless cellular condensates play a critical role in accelerating various slow and thermodynamically unfavorable biochemical processes. However, the exact mechanisms behind the enhanced activity within biocondensates remain poorly understood. Here, we report the fabrication of a high-performance integrated cascade bioplatform based on synthetic droplets for ultrasensitive glucose sensing. Using a horseradish peroxidase (HRP) and glucose oxidase (GOx) cascade pair, we report an unprecedented enhancement in the catalytic activity of HRP inside the synthetic membraneless droplet. Liquidlike membraneless droplets have been prepared via multivalent electrostatic interactions between adenosine triphosphate (ATP) and poly(diallyldimethylammonium chloride) (PDADMAC) in an aqueous medium. Compartmentalized enzymes (GOx/HRP@Droplet) exhibit high encapsulation efficiency, low leakage, prolong retention of activity, and exceptional stability toward protease digestion. Using an HRP@Droplet composite, we have shown that the enzymatic reaction within the droplet follows the classical Michaelis-Menten model. Our findings reveal remarkable enhancement in the catalytic activity of up to 100- and 51-fold for HRP@Droplet and GOx/HRP@Droplet, respectively. These enhanced activities have been explained on the basis of increased local concentrations of enzymes and substrates, along with altered conformations of sequestered enzymes. Furthermore, we have utilized highly efficient and recyclable GOx/HRP@Droplet composite to demonstrate ultrasensitive glucose sensing with a limit of detection of 228 nM. Finally, the composite platform has been exploited to detect glucose in spiked urine samples in solution and filter paper. Our present study illustrates the unprecedented activity of the compartmentalized enzymes and paves the way for next-generation composite bioreactors for a wide range of applications.
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Affiliation(s)
- Bhawna Saini
- Department of Chemistry, Indian Institute of Technology (IIT) Indore, Simrol, Indore453552, Madhya Pradesh, India
| | - Tushar Kanti Mukherjee
- Department of Chemistry, Indian Institute of Technology (IIT) Indore, Simrol, Indore453552, Madhya Pradesh, India
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7
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Mei H, Hu J, Gao Y, Li L, Zheng S. Incorporation of crosslinked polydicyclopentadiene nanoparticles into epoxy thermosets via ring opening metathesis polymerization-induced self-assembly. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Zhang Q, Wang R, Chen Y, Zhang L, Tan J. Block Copolymer Vesicles with Tunable Membrane Thicknesses and Compositions Prepared by Aqueous Seeded Photoinitiated Polymerization-Induced Self-Assembly at Room Temperature. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:2699-2710. [PMID: 35176211 DOI: 10.1021/acs.langmuir.1c03430] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Block copolymer vesicles with diverse functionalities and intrinsic hollow structures have received considerable attention due to their broad applications in biomedical fields, including drug delivery, bioimaging, theranostics, gene therapy, etc. However, efficient preparation of block copolymer vesicles with tunable membrane thicknesses and compositions under mild conditions is still a challenge. Herein, we report an aqueous seeded photoinitiated polymerization-induced self-assembly (photo-PISA) for the precise preparation of block copolymer vesicles at room temperature. By changing the total degree of polymerization (DP) of the hydrophobic block in seeded photo-PISA, one can easily tune the membrane thickness without compromising the morphology of vesicles. Moreover, by adding different comonomers such as hydrophobic monomers, hydrophilic monomers, and cross-linkers into seeded photo-PISA, vesicles with different compositions could be prepared without compromising the morphology and colloidal stability. Polymerization kinetics show that seeded photo-PISA can skip the step of in situ self-assembly with a short homogeneous polymerization stage being observed. To demonstrate potential biological applications, enzymatic nanoreactors were constructed by loading horseradish peroxidase (HRP) inside vesicles via seeded photo-PISA. The enzymatic properties of these nanoreactors could be easily regulated by changing the membrane thickness and hydrophobicity. It is expected that this method can provide a facile platform for the precise preparation of block copolymer vesicles that may find applications in different fields.
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Affiliation(s)
- Qichao Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ruiming Wang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ying Chen
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Li Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
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9
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Concentrically Encapsulated Dual-Enzyme Capsules for Synergistic Metabolic Disorder Redressing and Cytotoxic Intermediates Scavenging. NANOMATERIALS 2022; 12:nano12040625. [PMID: 35214953 PMCID: PMC8878113 DOI: 10.3390/nano12040625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/02/2022] [Accepted: 02/08/2022] [Indexed: 11/16/2022]
Abstract
Enzyme therapy has important implications for the treatment of metabolic disorders and biological detoxification. It remains challenging to prepare enzymatic nanoreactors with high therapeutic efficiency and low emission of cytotoxic reaction intermediates. Here, we propose a novel strategy for the preparation of enzymes-loaded polypeptide microcapsules (EPM) with concentrically encapsulated enzymes to achieve higher cascade reaction rates and minimal emission of cytotoxic intermediates. Mesoporous silica spheres (MSS) are used as a highly porous matrix to efficiently load a therapeutic enzyme (glucose oxidase, GOx), and a layer-by-layer (LbL) assembly strategy is employed to assemble the scavenging enzyme (catalase) and polyelectrolyte multilayers on the MSS surface. After removal of the MSS, a concentrically encapsulated EPM is obtained with the therapeutic enzyme encapsulated inside the capsule, and the scavenging enzyme immobilized in the polypeptide multilayer shell. Performance of the concentrically encapsulated GOx-catalase capsules is investigated for synergistic glucose metabolism disturbance correction and cytotoxic intermediate H2O2 clearance. The results show that the EPM can simultaneously achieve 99% H2O2 clearance and doubled glucose consumption rate. This strategy can be extended to the preparation of other dual- or multi-enzyme therapeutic nanoreactors, showing great promise in the treatment of metabolic disorders.
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10
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Biocatalytic self-assembled synthetic vesicles and coacervates: From single compartment to artificial cells. Adv Colloid Interface Sci 2022; 299:102566. [PMID: 34864354 DOI: 10.1016/j.cis.2021.102566] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 12/18/2022]
Abstract
Compartmentalization is an intrinsic feature of living cells that allows spatiotemporal control over the biochemical pathways expressed in them. Over the years, a library of compartmentalized systems has been generated, which includes nano to micrometer sized biomimetic vesicles derived from lipids, amphiphilic block copolymers, peptides, and nanoparticles. Biocatalytic vesicles have been developed using a simple bag containing enzyme design of liposomes to multienzymes immobilized multi-vesicular compartments for artificial cell generation. Additionally, enzymes were also entrapped in membrane-less coacervate droplets to mimic the cytoplasmic macromolecular crowding mechanisms. Here, we have discussed different types of single and multicompartment systems, emphasizing their recent developments as biocatalytic self-assembled structures using recent examples. Importantly, we have summarized the strategies in the development of the self-assembled structure to improvise their adaptivity and flexibility for enzyme immobilization. Finally, we have presented the use of biocatalytic assemblies in mimicking different aspects of living cells, which further carves the path for the engineering of a minimal cell.
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11
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Zhang X, Wei Z, Liu K, Wang L, Yang W. A 3B-type miktoarm star polymer nanoassemblies prepared by reversible addition–fragmentation chain transfer (RAFT) dispersion polymerization. Polym Chem 2022. [DOI: 10.1039/d2py00935h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The investigation on a series of A3B-type miktoarm star polymer assemblies by RAFT PISA has revealed the role of A3B architecture in delaying morphological transitions, and the formation of larger vesicles as well as other interesting morphologies.
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Affiliation(s)
- Xinru Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhiqiang Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Kai Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Li Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wantai Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Beijing Engineering Research Center for the Syntheses and Applications of Waterborne Polymers, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing 100029, China
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12
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Sun Z, Zhao Q, Haag R, Wu C. Chemoenzymatic Cascades Enabled by Combining Catalytically Active Emulsions and Biocatalysts. ChemCatChem 2021. [DOI: 10.1002/cctc.202101556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhiyong Sun
- University of Southern Denmark: Syddansk Universitet Department of Physic, Chemistry and Pharmacy DENMARK
| | - Qingcai Zhao
- Freie Universität Berlin: Freie Universitat Berlin Institute fur Chemie und Biochemie GERMANY
| | - Rainer Haag
- Freie Universität Berlin: Freie Universitat Berlin Institut fur Chemie und Biochemie Takustraße 3 14195 Berlin GERMANY
| | - Changzhu Wu
- University of Southern Denmark Department of Physics, Chemistry and Pharmacy Campusvej 555230Denmark 5230 Odense M DENMARK
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13
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Kulikova VV, Morozova EA, Anufrieva NV, Koval VS, Lyfenko AD, Lesnova EI, Kushch AA, Revtovich SV, Demidkina TV. Kinetic and pharmacokinetic characteristics of therapeutic methinoninе γ-lyase encapsulated in polyion complex vesicles. Biochimie 2021; 194:13-18. [PMID: 34923045 DOI: 10.1016/j.biochi.2021.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/02/2021] [Accepted: 12/13/2021] [Indexed: 12/14/2022]
Abstract
Therapeutic enzymes used for the treatment of a wide range of human disorders often suffer from suboptimal pharmacokinetics and stability. Engineering approaches such as encapsulation in micro- and nanocarriers, and replacements of amino acid residues of the native enzyme provide significant potential for improving the performance of enzyme therapy. Here, we develop a nanodelivery system on the base of polyion complex vesicles (PICsomes) that includes methionine γ-lyase (MGL) as a therapeutic enzyme. We have two strategies for using the enzyme: first, methionine γ-lyase is an anticancer agent removing l-methionine from plasma, second, the binary system methionine γ-lyase/S-alk(en)yl-l-cysteine sulfoxides is effective in enzyme prodrug therapy (EPT). Various lengths polymers were synthesized, and two mutant forms of the enzyme were used. The catalytic and pharmacokinetic parameters of the nanoformulations were investigated. The catalytic efficiencies of encapsulated enzymes were comparable to that of native enzymes. Pharmacokinetic analysis has shown that inclusion into PICsomes increases half-life of the enzymes, and they can be safely administered in vivo. The results suggest the further use of encapsulated MGLs for EPT and anticancer therapy, and this strategy could be leveraged to improve the efficiency of enzyme-based therapies for managing serious human diseases.
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Affiliation(s)
- Vitalia V Kulikova
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia.
| | - Elena A Morozova
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia
| | - Natalya V Anufrieva
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia
| | - Vasiliy S Koval
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia
| | - Anna D Lyfenko
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia
| | - Ekaterina I Lesnova
- Gamaleya National Research Center of Epidemiology and Microbiology, Ministry of Health of the Russian Federation, Moscow, 123098, Russia
| | - Alla A Kushch
- Gamaleya National Research Center of Epidemiology and Microbiology, Ministry of Health of the Russian Federation, Moscow, 123098, Russia
| | - Svetlana V Revtovich
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia
| | - Tatyana V Demidkina
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilov street, 32, Moscow, 119991, Russia
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14
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Zhong F, Pan CY. Dispersion Polymerization versus Emulsifier-Free Emulsion Polymerization for Nano-Object Fabrication: A Comprehensive Comparison. Macromol Rapid Commun 2021; 43:e2100566. [PMID: 34813132 DOI: 10.1002/marc.202100566] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/01/2021] [Indexed: 01/05/2023]
Abstract
Although the preparation of nano-objects by emulsifier-free controlled/living radical emulsion polymerization has drawn much attention, the morphologies of these formed objects are difficult to predict and to reproduce because of the much more complex nucleation mechanisms of emulsion polymerization compared to only one self-assembling nucleation mechanism of controlled radical dispersion polymerization. The present study compares dispersion polymerization with emulsifier-free emulsion polymerization in terms of nucleation mechanism, polymerization kinetics, and disappearance behavior of the macrochain transfer agent, gel permeation chromatograms curves of the obtained block copolymer as well as the structural and morphological differences between the produced nano-objects on the basis of published data. Moreover, the effects of the inherently heterogeneous nature of emulsion polymerization on the mechanism of reversible addition-fragmentation transfer polymerization and the nano-object morphology are examined, and efficient agitation and adequate solubility of the core-forming monomer in water are identified as the most crucial factors for the fabrication of nonspherical nano-objects.
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Affiliation(s)
- Feng Zhong
- College of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China
| | - Cai-Yuan Pan
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
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15
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Cook AB, Clemons TD. Bottom‐Up versus Top‐Down Strategies for Morphology Control in Polymer‐Based Biomedical Materials. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Alexander B. Cook
- Laboratory of Nanotechnology for Precision Medicine Istituto Italiano di Tecnologia Via Morego 30 Genova 16163 Italy
| | - Tristan D. Clemons
- School of Polymer Science and Engineering University of Southern Mississippi Hattiesburg MS 39406 USA
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16
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Iwasaki M, Yoshimoto M. Confinement of Metalloenzymes in PEGylated Liposomes to Formulate Colloidal Catalysts for Antioxidant Cascade. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:10624-10635. [PMID: 34431680 DOI: 10.1021/acs.langmuir.1c02042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Antioxidant cascade reactions detoxifying reactive oxygen species are of significance to control oxidative stresses-triggered diseases. In the present work, the antioxidant catalysts were prepared through the confinement of dual metalloenzymes in liposomes. The amino groups of superoxide dismutase (SOD) were conjugated to the carboxyl groups-bearing liposomes encapsulated with the catalase (CAT) to formulate a spatially organized antioxidant reaction network. The activity of SOD and CAT in the liposomal system was evaluated in detail on the basis of the prolonged xanthine oxidase/xanthine reaction producing superoxide anion radicals (O2̇-) and hydrogen peroxide (H2O2) coupled with redox reactions of cytochrome c. The liposome-confined SOD and CAT molecules were clearly demonstrated to catalyze the sequential disproportionation of O2̇- and H2O2 at 25 °C in a potassium phosphate buffer solution (pH = 7.8) under moderate transfer resistance with respect to the intermediate product (H2O2) within the liposomes. Furthermore, the liposomal catalysts were modified with the poly(ethylene glycol) (PEG)-conjugated lipids with the molecular mass of the PEG moiety of about 5000 through the post-PEGylation approach. The mean hydrodynamic diameter of the PEGylated liposomal catalysts was 140-150 nm. The dual enzyme activity in liposomes and the thermal stability of the encapsulated CAT were practically unaffected by the PEGylation. The above liposome-based antioxidant catalysts are highly biocompatible, PEG-modifiable, and reactive, thereby making the catalysts potentially applicable to therapeutic materials exhibiting functionality similar to cellular peroxisomes.
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Affiliation(s)
- Masataka Iwasaki
- Department of Applied Chemistry, Yamaguchi University, Tokiwadai 2-16-1, Ube 755-8611, Japan
| | - Makoto Yoshimoto
- Department of Applied Chemistry, Yamaguchi University, Tokiwadai 2-16-1, Ube 755-8611, Japan
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Pashirova TN, Bogdanov A, Masson P. Therapeutic nanoreactors for detoxification of xenobiotics: Concepts, challenges and biotechnological trends with special emphasis to organophosphate bioscavenging. Chem Biol Interact 2021; 346:109577. [PMID: 34274336 DOI: 10.1016/j.cbi.2021.109577] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/19/2021] [Accepted: 07/12/2021] [Indexed: 12/20/2022]
Abstract
The introduction of enzyme nanoreactors in medicine is relatively new. However, this technology has already been experimentally successful in cancer treatments, struggle against toxicity of reactive oxygen species in inflammatory processes, detoxification of drugs and xenobiotics, and correction of metabolic and genetic defects by using encapsulated enzymes, acting in single or cascade reactions. Biomolecules, e.g. enzymes, antibodies, reactive proteins capable of inactivating toxicants in the body are called bioscavengers. In this review, we focus on enzyme-containing nanoreactors for in vivo detoxification of organophosphorous compounds (OP) to be used for prophylaxis and post-exposure treatment of OP poisoning. A particular attention is devoted to bioscavenger-containing injectable nanoreactors operating in the bloodstream. The nanoreactor concept implements single or multiple enzymes and cofactors co-encapsulated in polymeric semi-permeable nanocontainers. Thus, the detoxification processes take place in a confined space containing highly concentrated bioscavengers. The article deals with historical and theoretical backgrounds about enzymatic detoxification of OPs in nanoreactors, nanoreactor polymeric enveloppes, realizations and advantages over other approaches using bioscavengers.
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Affiliation(s)
- Tatiana N Pashirova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, Kazan, 420088, Russian Federation
| | - Andrei Bogdanov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, Kazan, 420088, Russian Federation
| | - Patrick Masson
- Kazan Federal University, Neuropharmacology Laboratory, Kremlevskaya str., 18, Kazan, 420111, Russian Federation.
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18
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Wang X, Moreno S, Boye S, Wang P, Liu X, Lederer A, Voit B, Appelhans D. Artificial Organelles with Orthogonal-Responsive Membranes for Protocell Systems: Probing the Intrinsic and Sequential Docking and Diffusion of Cargo into Two Coexisting Avidin-Polymersomes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2004263. [PMID: 34105298 PMCID: PMC8188225 DOI: 10.1002/advs.202004263] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 02/07/2021] [Indexed: 05/19/2023]
Abstract
The challenge of effective integration and use of artificial organelles with orthogonal-responsive membranes and their communication in eukaryotic protocells is to understand the intrinsic membrane characteristics. Here, a novel photo-crosslinked and pH-responsive polymersome (Psome B) with 2-(N,N'-diisopropylamino)ethyl units in the membrane and its respective Avidin-Psome B hybrids, are reported as good candidates for artificial organelles. Biotinylated (macro)molecules are able to dock and diffuse into Avidin-Psome B to carry out biological activity in a pH- and size-dependent manner. Combined with another polymersome (Psome A) with 2-(N,N'-diethylamino)ethyl units in the membrane, two different pH-responsive polymersomes for mimicking different organelles in one protocell system are reported. The different intrinsic docking and diffusion processes of cargo (macro)molecules through the membranes of coexisting Psome A and B are pH-dependent as confirmed using pH titration-dynamic light scattering (DLS). Psome A and B show separated "open", "closing/opening", and "closed" states at various pH ranges with different membrane permeability. The results pave the way for the construction of multicompartmentalized protocells with controlled communications between different artificial organelles.
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Affiliation(s)
- Xueyi Wang
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
- Organic Chemistry of PolymersTechnische Universität DresdenDresden01062Germany
| | - Silvia Moreno
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
| | - Susanne Boye
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
| | - Peng Wang
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
- Organic Chemistry of PolymersTechnische Universität DresdenDresden01062Germany
| | - Xiaoling Liu
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065P. R. China
| | - Albena Lederer
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
- Department of Chemistry and Polymer ScienceStellenbosch UniversityMatieland7602South Africa
| | - Brigitte Voit
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
- Organic Chemistry of PolymersTechnische Universität DresdenDresden01062Germany
| | - Dietmar Appelhans
- Leibniz‐Institut für Polymerforschung Dresden e.V.Hohe Straße 6Dresden01069Germany
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19
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Pavlovic M, Muráth S, Katona X, Alsharif NB, Rouster P, Maléth J, Szilagyi I. Nanocomposite-based dual enzyme system for broad-spectrum scavenging of reactive oxygen species. Sci Rep 2021; 11:4321. [PMID: 33619308 PMCID: PMC7900168 DOI: 10.1038/s41598-021-83819-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 02/08/2021] [Indexed: 12/20/2022] Open
Abstract
A broad-spectrum reactive oxygen species (ROS)-scavenging hybrid material (CASCADE) was developed by sequential adsorption of heparin (HEP) and poly(L-lysine) (PLL) polyelectrolytes together with superoxide dismutase (SOD) and horseradish peroxidase (HRP) antioxidant enzymes on layered double hydroxide (LDH) nanoclay support. The synthetic conditions were optimized so that CASCADE possessed remarkable structural (no enzyme leakage) and colloidal (excellent resistance against salt-induced aggregation) stability. The obtained composite was active in decomposition of both superoxide radical anions and hydrogen peroxide in biochemical assays revealing that the strong electrostatic interaction with the functionalized support led to high enzyme loadings, nevertheless, it did not interfere with the native enzyme conformation. In vitro tests demonstrated that ROS generated in human cervical adenocarcinoma cells were successfully consumed by the hybrid material. The cellular uptake was not accompanied with any toxicity effects, which makes the developed CASCADE a promising candidate for treatment of oxidative stress-related diseases.
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Affiliation(s)
- Marko Pavlovic
- Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, 14476, Potsdam, Germany
| | - Szabolcs Muráth
- MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Centre, Department of Physical Chemistry and Materials Science, University of Szeged, 6720, Szeged, Hungary
| | - Xénia Katona
- MTA-SZTE Lendület Epithelial Cell Signaling and Secretion Research Group, Interdisciplinary Excellence Centre, University of Szeged, 6720, Szeged, Hungary
| | - Nizar B Alsharif
- MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Centre, Department of Physical Chemistry and Materials Science, University of Szeged, 6720, Szeged, Hungary
| | - Paul Rouster
- Institute of Condensed Matter and Nanosciences-Bio and Soft Matter, Université Catholique de Louvain, 1348, Louvain-la-Neuve, Belgium
| | - József Maléth
- MTA-SZTE Lendület Epithelial Cell Signaling and Secretion Research Group, Interdisciplinary Excellence Centre, University of Szeged, 6720, Szeged, Hungary
| | - Istvan Szilagyi
- MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Centre, Department of Physical Chemistry and Materials Science, University of Szeged, 6720, Szeged, Hungary.
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20
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Nardi M, Scherer T, Yang L, Kübel C, Barner-Kowollik C, Blasco E. Stabilizing self-assembled nano-objects using light-driven tetrazole chemistry. Polym Chem 2021. [DOI: 10.1039/d1py00032b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetrazole-driven photochemistry is exploited for the stabilization of self-assembled morphologies via light-triggered nitrile imine carboxylic acid ligation (NICAL).
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Affiliation(s)
- Martina Nardi
- Macromolecular Architectures
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- 76131 Karlsruhe
- Germany
| | - Torsten Scherer
- Institute of Nanotechnology (INT)
- Karlsruhe Institute of Technology (KIT)
- Eggenstein-Leopoldshafen 76344
- Germany
- Karlsruhe Nano Micro Facility (KNMF)
| | - Liang Yang
- Institute of Nanotechnology (INT)
- Karlsruhe Institute of Technology (KIT)
- Eggenstein-Leopoldshafen 76344
- Germany
- Institute of Applied Physics (APH)
| | - Christian Kübel
- Institute of Nanotechnology (INT)
- Karlsruhe Institute of Technology (KIT)
- Eggenstein-Leopoldshafen 76344
- Germany
- Karlsruhe Nano Micro Facility (KNMF)
| | - Christopher Barner-Kowollik
- Macromolecular Architectures
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- 76131 Karlsruhe
- Germany
| | - Eva Blasco
- Institute of Nanotechnology (INT)
- Karlsruhe Institute of Technology (KIT)
- Eggenstein-Leopoldshafen 76344
- Germany
- Organic Chemistry Institute and Centre for Advanced Materials
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21
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Long Y, Pan Y, Zheng W, Yi D, Zheng H. Supramolecular hydrogel-immobilized enzyme ficin as peroxidase mimics for colorimetric detection of glucose. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105276] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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22
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Xie C, Leng K, Sheng J, Wang X, Li Q, Song L, Liu L, Sun H, Huang X, Wang Z, Yu Q. Preparation of poly(methyl methacrylate) microspheres via photopolymerization initiated by LED light source. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04694-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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The chemistry of cross-linked polymeric vesicles and their functionalization towards biocatalytic nanoreactors. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04681-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AbstractSelf-assembly of amphiphilic block copolymers into polymersomes continues to be a hot topic in modern research on biomimetics. Their well-known and valued mechanical strength can be increased even further if they are cross-linked. These additional bonds prevent a collapse or disassembly of the polymersomes and open the way towards smart nanoreactors. A variety of chemistries have been applied to obtain the desired cross-linked polymersomes, and therefore, the chemical approaches performed over time will be highlighted in this mini-review. Due to the large number of studies, a selected set of photo-cross-linked and pH-sensitive polymersomes will be specifically highlighted. This system has proven to be a very potent candidate for the formation of nanoreactors and drug delivery systems, and even for the formation of functional multicompartment cell mimics.
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24
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Zartner L, Muthwill MS, Dinu IA, Schoenenberger CA, Palivan CG. The rise of bio-inspired polymer compartments responding to pathology-related signals. J Mater Chem B 2020; 8:6252-6270. [PMID: 32452509 DOI: 10.1039/d0tb00475h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Self-organized nano- and microscale polymer compartments such as polymersomes, giant unilamellar vesicles (GUVs), polyion complex vesicles (PICsomes) and layer-by-layer (LbL) capsules have increasing potential in many sensing applications. Besides modifying the physicochemical properties of the corresponding polymer building blocks, the versatility of these compartments can be markedly expanded by biomolecules that endow the nanomaterials with specific molecular and cellular functions. In this review, we focus on polymer-based compartments that preserve their structure, and highlight the key role they play in the field of medical diagnostics: first, the self-assembling abilities that result in preferred architectures are presented for a broad range of polymers. In the following, we describe different strategies for sensing disease-related signals (pH-change, reductive conditions, and presence of ions or biomolecules) by polymer compartments that exhibit stimuli-responsiveness. In particular, we distinguish between the stimulus-sensitivity contributed by the polymer itself or by additional compounds embedded in the compartments in different sensing systems. We then address necessary properties of sensing polymeric compartments, such as the enhancement of their stability and biocompatibility, or the targeting ability, that open up new perspectives for diagnostic applications.
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Affiliation(s)
- Luisa Zartner
- Chemistry Department, University of Basel, Mattenstr. 24a, BPR1096, Basel, Switzerland.
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25
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Miele Y, Mingotaud AF, Caruso E, Malacarne MC, Izzo L, Lonetti B, Rossi F. Hybrid giant lipid vesicles incorporating a PMMA-based copolymer. Biochim Biophys Acta Gen Subj 2020; 1865:129611. [PMID: 32272202 DOI: 10.1016/j.bbagen.2020.129611] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/16/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND In recent years, there has been a growing interest in the formation of copolymer-lipid hybrid self-assemblies, which allow combining and improving the main features of pure lipid-based and copolymer-based systems known for their potential applications in the biomedical field. As the most common method used to obtain giant vesicles is electroformation, most systems so far used low Tg polymers for their flexibility at room temperature. METHODS Copolymers used in the hybrid vesicles have been synthesized by a modified version of the ATRP, namely the Activators ReGenerated by Electron Transfer ATRP and characterized by NMR and DSC. Giant hybrid vesicles have been obtained using electroformation and droplet transfer method. Confocal fluorescence microscopy was used to image the vesicles. RESULTS Electroformation enabled to obtain hybrid vesicles in a narrow range of compositions (15 mol% was the maximum copolymer content). This range could be extended by the use of a droplet transfer method, which enabled obtaining hybrid vesicles incorporating a methacrylate-based polymer in a wide range of compositions. Proof of the hybrid composition was obtained by fluorescence microscopy using labeled lipids and copolymers. CONCLUSIONS This work describes for the first time, to the best of our knowledge, the formation of giant hybrid polymer/lipid vesicles formed with such a content of a polymethylmethacrylate copolymer, the glass temperature of which is above room temperature. GENERAL SIGNIFICANCE This work shows that polymer structures, more complex than the ones mostly employed, can be possibly included in giant hybrid vesicles by using the droplet transfer method. This will give easier access to functionalized and stimuli-responsive giant vesicles and to systems exhibiting a tunable permeability, these systems being relevant for biological and technological applications.
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Affiliation(s)
- Ylenia Miele
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
| | - Anne-Françoise Mingotaud
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Rte de Narbonne, F-31062 Toulouse cedex 9, France
| | - Enrico Caruso
- Dipartimento di Biotecnologie e Scienze della Vita, Università degli Studi dell'Insubria, via J. H. Dunant, 3, 21100 Varese, Italy
| | - Miryam C Malacarne
- Dipartimento di Biotecnologie e Scienze della Vita, Università degli Studi dell'Insubria, via J. H. Dunant, 3, 21100 Varese, Italy
| | - Lorella Izzo
- Dipartimento di Biotecnologie e Scienze della Vita, Università degli Studi dell'Insubria, via J. H. Dunant, 3, 21100 Varese, Italy.
| | - Barbara Lonetti
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, 118 Rte de Narbonne, F-31062 Toulouse cedex 9, France.
| | - Federico Rossi
- Department of Earth, Environmental and Physical Sciences - DEEP Sciences - Pian dei Mantellini 44, 53100 Siena, Italy
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26
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Liu C, Hong CY, Pan CY. Polymerization techniques in polymerization-induced self-assembly (PISA). Polym Chem 2020. [DOI: 10.1039/d0py00455c] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The development of controlled/“living” polymerization greatly stimulated the prosperity of the fabrication and application of block copolymer nano-objects.
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Affiliation(s)
- Chao Liu
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Polymer Science and Engineering
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Chun-Yan Hong
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Polymer Science and Engineering
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Cai-Yuan Pan
- CAS Key Laboratory of Soft Matter Chemistry
- Department of Polymer Science and Engineering
- University of Science and Technology of China
- Hefei
- P. R. China
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27
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Belluati A, Craciun I, Meyer CE, Rigo S, Palivan CG. Enzymatic reactions in polymeric compartments: nanotechnology meets nature. Curr Opin Biotechnol 2019; 60:53-62. [DOI: 10.1016/j.copbio.2018.12.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/14/2018] [Accepted: 12/19/2018] [Indexed: 01/28/2023]
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28
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Dai X, Yu L, Zhang Y, Zhang L, Tan J. Polymerization-Induced Self-Assembly via RAFT-Mediated Emulsion Polymerization of Methacrylic Monomers. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01689] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Xiaocong Dai
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Liangliang Yu
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Yuxuan Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Li Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
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29
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Zhang Y, Yu L, Dai X, Zhang L, Tan J. Structural Difference in Macro-RAFT Agents Redirects Polymerization-Induced Self-Assembly. ACS Macro Lett 2019; 8:1102-1109. [PMID: 35619459 DOI: 10.1021/acsmacrolett.9b00509] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Polymerization-induced self-assembly (PISA) has served as a versatile platform for the large-scale preparation of well-defined block copolymer nano-objects. It appears to be "common sense" that block copolymers with narrow molecular weight distributions are inevitable. In this study, we have conducted the direct comparison of reversible addition-fragmentation transfer (RAFT)-mediated PISA of 2-hydroxypropyl methacrylate (HPMA) using polymethacrylate- and polyacrylate-based macro-RAFT agents. Taking advantage of the poor RAFT controllability of polyacrylate-based macro-RAFT agents with respect to HPMA, uniform submicron-sized polymeric microspheres were prepared by photoinitiated RAFT-mediated PISA of HPMA. The diameter of polymeric microspheres can be precisely controlled by further chain-extension of PHPMA. Finally, uniform epoxy-functionalized multicompartment block copolymer particles (MBCPs) were prepared by a two-step photoinitiated RAFT-mediated PISA with poly(glycidyl methacrylate) (PGlyMA) as the third block. The performance of MBCPs as Pickering emulsifiers was evaluated in detail. This study not only expands the scope of RAFT-mediated PISA for preparing well-defined polymer particles but also provides important insights into the mechanism of RAFT-mediated PISA.
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Affiliation(s)
- Yuxuan Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Liangliang Yu
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaocong Dai
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Li Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
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30
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Almomani R, Herkert JC, Posafalvi A, Post JG, Boven LG, van der Zwaag PA, Willems PHGM, van Veen-Hof IH, Verhagen JMA, Wessels MW, Nikkels PGJ, Wintjes LT, van den Berg MP, Sinke RJ, Rodenburg RJ, Niezen-Koning KE, van Tintelen JP, Jongbloed JDH. Homozygous damaging SOD2 variant causes lethal neonatal dilated cardiomyopathy. J Med Genet 2019; 57:23-30. [PMID: 31494578 DOI: 10.1136/jmedgenet-2019-106330] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/22/2019] [Accepted: 07/29/2019] [Indexed: 01/05/2023]
Abstract
BACKGROUND Idiopathic dilated cardiomyopathy (DCM) is recognised to be a heritable disorder, yet clinical genetic testing does not produce a diagnosis in >50% of paediatric patients. Identifying a genetic cause is crucial because this knowledge can affect management options, cardiac surveillance in relatives and reproductive decision-making. In this study, we sought to identify the underlying genetic defect in a patient born to consanguineous parents with rapidly progressive DCM that led to death in early infancy. METHODS AND RESULTS Exome sequencing revealed a potentially pathogenic, homozygous missense variant, c.542G>T, p.(Gly181Val), in SOD2. This gene encodes superoxide dismutase 2 (SOD2) or manganese-superoxide dismutase, a mitochondrial matrix protein that scavenges oxygen radicals produced by oxidation-reduction and electron transport reactions occurring in mitochondria via conversion of superoxide anion (O2 -·) into H2O2. Measurement of hydroethidine oxidation showed a significant increase in O2 -· levels in the patient's skin fibroblasts, as compared with controls, and this was paralleled by reduced catalytic activity of SOD2 in patient fibroblasts and muscle. Lentiviral complementation experiments demonstrated that mitochondrial SOD2 activity could be completely restored on transduction with wild type SOD2. CONCLUSION Our results provide evidence that defective SOD2 may lead to toxic increases in the levels of damaging oxygen radicals in the neonatal heart, which can result in rapidly developing heart failure and death. We propose SOD2 as a novel nuclear-encoded mitochondrial protein involved in severe human neonatal cardiomyopathy, thus expanding the wide range of genetic factors involved in paediatric cardiomyopathies.
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Affiliation(s)
- Rowida Almomani
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Johanna C Herkert
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Anna Posafalvi
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jan G Post
- Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ludolf G Boven
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Paul A van der Zwaag
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Peter H G M Willems
- Department of Biochemistry, Radboud Center for Mitochondrial Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ingrid H van Veen-Hof
- Laboratory of Metabolic Diseases, Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Judith M A Verhagen
- Department of Clinical Genetics, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Marja W Wessels
- Department of Clinical Genetics, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Peter G J Nikkels
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Liesbeth T Wintjes
- Department of Paediatrics, Radboud Center for Mitochondrial Medicine, Translational Metabolic Laboratory, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Maarten P van den Berg
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Richard J Sinke
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Richard J Rodenburg
- Department of Paediatrics, Radboud Center for Mitochondrial Medicine, Translational Metabolic Laboratory, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Klary E Niezen-Koning
- Laboratory of Metabolic Diseases, Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - J Peter van Tintelen
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Jan D H Jongbloed
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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31
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Liu D, Zeng R, Sun H, Zhang L, Tan J. Blue Light-Initiated Alcoholic RAFT Dispersion Polymerization of Benzyl Methacrylate: A Detailed Study. Polymers (Basel) 2019; 11:E1284. [PMID: 31374884 PMCID: PMC6723682 DOI: 10.3390/polym11081284] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/19/2019] [Accepted: 07/09/2019] [Indexed: 02/03/2023] Open
Abstract
Blue light-initiated alcoholic reversible addition-fragmentation chain transfer (RAFT) dispersion polymerization of benzyl methacrylate (BzMA) using bis (acyl) phosphane oxide (BAPO) as the photo-initiator is developed to prepare diblock copolymer nano-objects. High monomer conversion (95%) was achieved within 2 h of blue light irradiation in an isopropanol/water mixture. Effects of solvent, light intensity, and reaction temperature on the polymerization kinetics were evaluated. Finally, the effect of reaction temperature on the morphologies of diblock copolymer nano-objects was investigated and two morphological phase diagrams were constructed at 25 and 70 °C. Transmission electron microscopy (TEM) measurement confirmed that increasing the reaction temperature promoted the evolution of higher order morphology. We believe this study will provide more mechanistic insights into alcoholic RAFT dispersion polymerization for the creation of diblock copolymer nano-objects with well-defined structures.
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Affiliation(s)
- Dongdong Liu
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ruiming Zeng
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Hao Sun
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Li Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China.
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China.
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32
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Varlas S, Foster JC, Georgiou PG, Keogh R, Husband JT, Williams DS, O'Reilly RK. Tuning the membrane permeability of polymersome nanoreactors developed by aqueous emulsion polymerization-induced self-assembly. NANOSCALE 2019; 11:12643-12654. [PMID: 31237603 DOI: 10.1039/c9nr02507c] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Polymeric vesicles (or polymersomes) are hollow bilayer structures consisting of an inner aqueous compartment enclosed by a hydrophobic membrane. Vesicular constructs are ubiquitous in nature and perform a variety of functions by compartmentalizing molecules into disparate environments. For polymer chemists, the synthesis of vesicles can be readily accomplished using polymerization-induced self-assembly (PISA), whereby pure vesicle morphologies can be easily accessed by tuning initial reaction parameters. Research into polymersomes is motivated primarily by the fact that hydrophilic cargo such as drug molecules, DNA, or enzymes can be encapsulated and protected from the often harsh conditions of the surrounding environment. A key factor governing the capability of vesicles to retain and protect their cargo is the permeability of their hydrophobic membrane. Herein, we demonstrate that membrane permeability of enzyme-loaded epoxy-functionalized polymersomes synthesized by aqueous emulsion PISA can be modulated via epoxide ring-opening with various diamine cross-linkers and hydrophobic primary amines. In general, membrane cross-linking or amine conjugation resulted in increased polymersome membrane thickness. Membrane modification was also found to decrease permeability in all cases, as measured by enzymatically-catalysed oxidation of an externally administered substrate. Functionalization with hydrophobic amines resulted in the largest reduction in enzyme activity, suggesting significant blocking of substrate diffusion into the central aqueous compartment. This procedurally facile strategy yields meaningful insight into how the chemical structure of the membrane influences permeability and thus could be generally applied to the formulation of polymeric vesicles for therapeutic applications.
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Affiliation(s)
- Spyridon Varlas
- School of Chemistry, University of Birmingham, B15 2TT, Birmingham, UK.
| | - Jeffrey C Foster
- School of Chemistry, University of Birmingham, B15 2TT, Birmingham, UK.
| | - Panagiotis G Georgiou
- School of Chemistry, University of Birmingham, B15 2TT, Birmingham, UK. and Department of Chemistry, University of Warwick, Gibbet Hill Road, CV4 7AL, Coventry, UK
| | - Robert Keogh
- School of Chemistry, University of Birmingham, B15 2TT, Birmingham, UK. and Department of Chemistry, University of Warwick, Gibbet Hill Road, CV4 7AL, Coventry, UK
| | | | - David S Williams
- School of Chemistry, University of Birmingham, B15 2TT, Birmingham, UK. and Department of Chemistry, College of Science, Swansea University, SA2 8PP, Swansea, UK
| | - Rachel K O'Reilly
- School of Chemistry, University of Birmingham, B15 2TT, Birmingham, UK.
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33
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Zhang B, Wang F, Zhou H, Gao D, Yuan Z, Wu C, Zhang X. Polymer Dots Compartmentalized in Liposomes as a Photocatalyst for In Situ Hydrogen Therapy. Angew Chem Int Ed Engl 2019; 58:2744-2748. [DOI: 10.1002/anie.201813066] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Boyu Zhang
- Faculty of Health SciencesUniversity of Macau Macau SAR China
- College of Medical LaboratoryDalian Medical University Dalian Liaoning 116044 China
| | - Fei Wang
- Department of Biomedical EngineeringSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Hua Zhou
- Faculty of Health SciencesUniversity of Macau Macau SAR China
| | - Duyang Gao
- Paul C. Lauterbur Research Center for Biomedical ImagingInstitute of Biomedical and Health EngineeringShenzhen Institute of Advanced TechnologyChinese Academy of Science Shenzhen 518055 China
| | - Zhen Yuan
- Faculty of Health SciencesUniversity of Macau Macau SAR China
| | - Changfeng Wu
- Department of Biomedical EngineeringSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Xuanjun Zhang
- Faculty of Health SciencesUniversity of Macau Macau SAR China
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34
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Zhang B, Wang F, Zhou H, Gao D, Yuan Z, Wu C, Zhang X. Polymer Dots Compartmentalized in Liposomes as a Photocatalyst for In Situ Hydrogen Therapy. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813066] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Boyu Zhang
- Faculty of Health SciencesUniversity of Macau Macau SAR China
- College of Medical LaboratoryDalian Medical University Dalian Liaoning 116044 China
| | - Fei Wang
- Department of Biomedical EngineeringSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Hua Zhou
- Faculty of Health SciencesUniversity of Macau Macau SAR China
| | - Duyang Gao
- Paul C. Lauterbur Research Center for Biomedical ImagingInstitute of Biomedical and Health EngineeringShenzhen Institute of Advanced TechnologyChinese Academy of Science Shenzhen 518055 China
| | - Zhen Yuan
- Faculty of Health SciencesUniversity of Macau Macau SAR China
| | - Changfeng Wu
- Department of Biomedical EngineeringSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Xuanjun Zhang
- Faculty of Health SciencesUniversity of Macau Macau SAR China
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35
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Barreca D, Neri G, Scala A, Fazio E, Gentile D, Rescifina A, Piperno A. Covalently immobilized catalase on functionalized graphene: effect on the activity, immobilization efficiency, and tetramer stability. Biomater Sci 2019; 6:3231-3240. [PMID: 30379150 DOI: 10.1039/c8bm00850g] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Herein we describe, for the first time, the covalent immobilization of catalase (CAT) on functionalized graphene surfaces (G) by exploiting the azalactone chemistry for the post-functionalization of graphene-based materials. The structure, morphology and chemical composition of catalase immobilized on graphene (CAT-G) have been investigated by Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDX). The biological responses such as catalytic activity, cellular uptake, internalization pathway, and the ability to protect lymphocytes from oxidative stress induced by H2O2 together with the unforeseen ability to increase the lifetime of the free catalase in solution have been deeply investigated. From our studies, it is evident that the behavior of CAT covalently linked to modified graphene depends on the CAT/G ratio that affects the secondary structure and the tetramer stability of CAT. In order to support the experimental results, we have also investigated the behaviors of two appropriately designed model systems, named CAT-surfer and CAT-skier, by molecular dynamics calculations. These in silico results parallel the experimental results proving our hypothesis that the CAT-surfer maintains the conformational flexibility needed for a biological response, whereas CAT-skier favors the dissociation of the tetramer subunits, involving the inactivation of the enzyme.
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Affiliation(s)
- Davide Barreca
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D'Alcontres 31, I-98166, Italy.
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Zhang Y, He J, Dai X, Yu L, Tan J, Zhang L. Combining the power of heat and light: temperature-programmed photoinitiated RAFT dispersion polymerization to tune polymerization-induced self-assembly. Polym Chem 2019. [DOI: 10.1039/c9py00534j] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A novel temperature-programmed photo-PISA method which combines the power of heat and light is developed for the preparation of a diverse set of morphologies.
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Affiliation(s)
- Yuxuan Zhang
- Department of Polymeric Materials and Engineering
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Jun He
- Department of Polymeric Materials and Engineering
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Xiaocong Dai
- Department of Polymeric Materials and Engineering
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Liangliang Yu
- Department of Polymeric Materials and Engineering
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Li Zhang
- Department of Polymeric Materials and Engineering
- School of Materials and Energy
- Guangdong University of Technology
- Guangzhou 510006
- China
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37
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Chen Z, Cao H, Tan T. Preparation of functionalized star polymer nanoparticles by RAFT polymerization and their application in positionally assembled enzymes for cascade reactions. NEW J CHEM 2019. [DOI: 10.1039/c9nj01122f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel multienzyme nanoreactor with excellent substrate affinity – functionalized star polymer nanoparticles was prepared by RAFT polymerization as a scaffold.
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Affiliation(s)
- Zhiwu Chen
- Beijing Key Laboratory of Bioprocess
- College of Life Science and Technology
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Hui Cao
- Beijing Key Laboratory of Bioprocess
- College of Life Science and Technology
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Tianwei Tan
- Beijing Key Laboratory of Bioprocess
- College of Life Science and Technology
- Beijing University of Chemical Technology
- Beijing 100029
- China
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38
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Nishimura T, Akiyoshi K. Biotransporting Biocatalytic Reactors toward Therapeutic Nanofactories. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800801. [PMID: 30479925 PMCID: PMC6247036 DOI: 10.1002/advs.201800801] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/31/2018] [Indexed: 05/17/2023]
Abstract
Drug-delivery systems (DDSs), in which drug encapsulation in nanoparticles enables targeted delivery of therapeutic agents and their release at specific disease sites, are important because they improve drug efficacy and help to decrease side effects. Although significant progress has been made in the development of DDSs for the treatment of a wide range of diseases, new approaches that increase the scope and effectiveness of such systems are still needed. Concepts such as nanoreactors and nanofactories are therefore attracting much attention. Nanoreactors, which basically consist of vesicle-encapsulated enzymes, provide prodrug conversion to therapeutic agents rather than simple drug delivery. Nanofactories are an extension of this concept and combine the features of nanoreactors and delivery carriers. Here, the required features of nanofactories are discussed and an overview of current strategies for the design and fabrication of different types of nanoreactors, i.e., systems based on lipid or polymer vesicles, capsules, mesoporous silica, viral capsids, and hydrogels, and their respective advantages and shortcomings, is provided. In vivo applications of biocatalytic reactors in the treatment of cancer, glaucoma, neuropathic pain, and alcohol intoxication are also discussed. Finally, the prospects for further progress in this important and promising field are outlined.
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Affiliation(s)
- Tomoki Nishimura
- Department of Polymer ChemistryGraduate School of EngineeringKyoto UniversityKatsuraNishikyo‐kuKyoto615‐8510Japan
- ERATO Bio‐Nanotransporter ProjectJapan Science and Technology Agency (JST)Kyoto UniversityKatsuraNishikyo‐kuKyoto615‐8530Japan
| | - Kazunari Akiyoshi
- Department of Polymer ChemistryGraduate School of EngineeringKyoto UniversityKatsuraNishikyo‐kuKyoto615‐8510Japan
- ERATO Bio‐Nanotransporter ProjectJapan Science and Technology Agency (JST)Kyoto UniversityKatsuraNishikyo‐kuKyoto615‐8530Japan
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39
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Tan J, Xu Q, Zhang Y, Huang C, Li X, He J, Zhang L. Room Temperature Synthesis of Self-Assembled AB/B and ABC/BC Blends by Photoinitiated Polymerization-Induced Self-Assembly (Photo-PISA) in Water. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01456] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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40
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Li X, Tan J, Xu Q, He J, Zhang L. Photoinitiated Seeded RAFT Dispersion Polymerization: A Facile Method for the Preparation of Epoxy-Functionalized Triblock Copolymer Nano-Objects. Macromol Rapid Commun 2018; 39:e1800473. [DOI: 10.1002/marc.201800473] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 07/24/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Xueliang Li
- Prof. J. Tan; Q. Xu; J. He; Prof. L. Zhang; Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Jianbo Tan
- Prof. J. Tan; Q. Xu; J. He; Prof. L. Zhang; Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
- Prof. L. Zhang; Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology; Guangzhou 510006 China
| | - Qin Xu
- Prof. J. Tan; Q. Xu; J. He; Prof. L. Zhang; Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Jun He
- Prof. J. Tan; Q. Xu; J. He; Prof. L. Zhang; Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Li Zhang
- Prof. J. Tan; Q. Xu; J. He; Prof. L. Zhang; Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
- Prof. L. Zhang; Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology; Guangzhou 510006 China
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41
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Mukerabigwi JF, Ge Z, Kataoka K. Therapeutic Nanoreactors as In Vivo Nanoplatforms for Cancer Therapy. Chemistry 2018; 24:15706-15724. [DOI: 10.1002/chem.201801159] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Jean Felix Mukerabigwi
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
| | - Zhishen Ge
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine Institute of Industrial Promotion-Kawasaki 3-25-14 Tonomachi Kawasaki-ku Kawasaki 210-0821 Japan
- Policy Alternatives Research Institute The University of Tokyo Tokyo 113-0033 Japan
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42
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He J, Xu Q, Tan J, Zhang L. Ketone-Functionalized Polymer Nano-Objects Prepared via Photoinitiated Polymerization-Induced Self-Assembly (Photo-PISA) Using a Poly(diacetone acrylamide)-Based Macro-RAFT Agent. Macromol Rapid Commun 2018; 40:e1800296. [DOI: 10.1002/marc.201800296] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 05/23/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Jun He
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Qin Xu
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology; Guangzhou 510006 China
| | - Li Zhang
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology; Guangzhou 510006 China
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43
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He J, Liu D, Tan J, Zhang L. Sodium Bis(acyl)phosphane oxide (SBAPO): An efficient photoinitiator for blue light initiated aqueous RAFT dispersion polymerization. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.04.071] [Citation(s) in RCA: 9] [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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44
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Klermund L, Castiglione K. Polymersomes as nanoreactors for preparative biocatalytic applications: current challenges and future perspectives. Bioprocess Biosyst Eng 2018; 41:1233-1246. [DOI: 10.1007/s00449-018-1953-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 05/07/2018] [Indexed: 12/28/2022]
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45
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Tan J, Xu Q, Li X, He J, Zhang Y, Dai X, Yu L, Zeng R, Zhang L. Enzyme-PISA: An Efficient Method for Preparing Well-Defined Polymer Nano-Objects under Mild Conditions. Macromol Rapid Commun 2018; 39:e1700871. [DOI: 10.1002/marc.201700871] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/25/2018] [Indexed: 01/18/2023]
Affiliation(s)
- Jianbo Tan
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangzhou 510006 China
| | - Qin Xu
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Xueliang Li
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Jun He
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Yuxuan Zhang
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Xiaocong Dai
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Liangliang Yu
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Ruiming Zeng
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
| | - Li Zhang
- Department of Polymeric Materials and Engineering; School of Materials and Energy; Guangdong University of Technology; Guangzhou 510006 China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangzhou 510006 China
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46
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Godoy-Gallardo M, York-Duran MJ, Hosta-Rigau L. Recent Progress in Micro/Nanoreactors toward the Creation of Artificial Organelles. Adv Healthc Mater 2018; 7. [PMID: 29205928 DOI: 10.1002/adhm.201700917] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/11/2017] [Indexed: 12/25/2022]
Abstract
Artificial organelles created from a bottom up approach are a new type of engineered materials, which are not designed to be living but, instead, to mimic some specific functions inside cells. By doing so, artificial organelles are expected to become a powerful tool in biomedicine. They can act as nanoreactors to convert a prodrug into a drug inside the cells or as carriers encapsulating therapeutic enzymes to replace malfunctioning organelles in pathological conditions. For the design of artificial organelles, several requirements need to be fulfilled: a compartmentalized structure that can encapsulate the synthetic machinery to perform an enzymatic function, as well as a means to allow for communication between the interior of the artificial organelle and the external environment, so that substrates and products can diffuse in and out the carrier allowing for continuous enzymatic reactions. The most recent and exciting advances in architectures that fulfill the aforementioned requirements are featured in this review. Artificial organelles are classified depending on their constituting materials, being lipid and polymer-based systems the most prominent ones. Finally, special emphasis will be put on the intracellular response of these newly emerging systems.
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Affiliation(s)
- Maria Godoy-Gallardo
- Department of Micro- and Nanotechnology; Center for Nanomedicine and Theranostics; DTU; Nanotech; Technical University of Denmark; Building 423 2800 Lyngby Denmark
| | - Maria J. York-Duran
- Department of Micro- and Nanotechnology; Center for Nanomedicine and Theranostics; DTU; Nanotech; Technical University of Denmark; Building 423 2800 Lyngby Denmark
| | - Leticia Hosta-Rigau
- Department of Micro- and Nanotechnology; Center for Nanomedicine and Theranostics; DTU; Nanotech; Technical University of Denmark; Building 423 2800 Lyngby Denmark
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47
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Tan J, Li X, Zeng R, Liu D, Xu Q, He J, Zhang Y, Dai X, Yu L, Zeng Z, Zhang L. Expanding the Scope of Polymerization-Induced Self-Assembly: Z-RAFT-Mediated Photoinitiated Dispersion Polymerization. ACS Macro Lett 2018; 7:255-262. [PMID: 35610903 DOI: 10.1021/acsmacrolett.8b00035] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
In this communication, we developed the first well-controlled Z-RAFT (RAFT = reversible addition-fragmentation chain transfer) mediated polymerization-induced self-assembly (PISA) formulation based on photoinitiated RAFT dispersion polymerization of tert-butyl acrylate (tBA) in ethanol/water (60/40, w/w) at room temperature using a Z-type macromolecular chain transfer agent (macro-CTA). Polymerizations proceeded rapidly via the exposure of visible-light irradiation (405 nm, 0.45 mW/cm2) with high monomer conversion (>95%) being achieved within 1 h. A variety of polymer nano-objects (spheres, worms, and vesicles) with narrow molar mass distributions were prepared by this Z-RAFT mediated PISA formulation. Silver nanoparticles were loaded with the vesicles via in situ reduction, which can be used as a catalyst for the reduction of methylene blue (MB) in the presence of NaBH4. Finally, gel permeation chromatography (GPC) analysis demonstrated that the corona block and the core-forming block could be cleaved by treating with excess initiator. This novel PISA formulation will greatly expand the scope of PISA and provide more mechanistic insights into the PISA research.
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Affiliation(s)
- Jianbo Tan
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Xueliang Li
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ruiming Zeng
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Dongdong Liu
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Qin Xu
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Jun He
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Yuxuan Zhang
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaocong Dai
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Liangliang Yu
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Zhaohua Zeng
- School
of Materials Science and Engineering, Sun-Yat Sen University, Guangzhou 510275, China
| | - Li Zhang
- Department
of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
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Rouster P, Pavlovic M, Szilagyi I. Immobilization of Superoxide Dismutase on Polyelectrolyte-Functionalized Titania Nanosheets. Chembiochem 2017; 19:404-410. [DOI: 10.1002/cbic.201700502] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Paul Rouster
- Department of Inorganic and Analytical Chemistry; University of Geneva; 30 Quai Ernest-Ansermet 1205 Geneva Switzerland
| | - Marko Pavlovic
- Department of Inorganic and Analytical Chemistry; University of Geneva; 30 Quai Ernest-Ansermet 1205 Geneva Switzerland
| | - Istvan Szilagyi
- Department of Inorganic and Analytical Chemistry; University of Geneva; 30 Quai Ernest-Ansermet 1205 Geneva Switzerland
- MTA-SZTE Lendület Biocolloids Research Group; Department of Physical Chemistry and Materials Science; University of Szeged; 1 Aradi vértanúk tere 6720 Szeged Hungary
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Li J, Li Y, Wang Y, Ke W, Chen W, Wang W, Ge Z. Polymer Prodrug-Based Nanoreactors Activated by Tumor Acidity for Orchestrated Oxidation/Chemotherapy. NANO LETTERS 2017; 17:6983-6990. [PMID: 28977746 DOI: 10.1021/acs.nanolett.7b03531] [Citation(s) in RCA: 185] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Therapeutic nanoreactors have been proposed to treat cancers through in situ transformation of low-toxicity prodrugs into toxic therapeutics in the body. However, the in vivo applications are limited by low tissue-specificity and different tissue distributions between sequentially injected nanoreactors and prodrugs. Herein, we construct a block copolymer prodrug-based polymersome nanoreactor that can achieve novel orchestrated oxidation/chemotherapy of cancer via specific activation at tumor sites. The block copolymers composed of poly(ethylene glycol) (PEG) and copolymerized monomers of camptothecin (CPT) and piperidine-modified methacrylate [P(CPTMA-co-PEMA)] were optimized to self-assemble into polymersomes in aqueous solution for encapsulation of glucose oxidase (GOD) to obtain GOD-loaded polymersome nanoreactors (GOD@PCPT-NR). GOD@PCPT-NR maintained inactive in normal tissues upon systemic administration. After deposition in tumor tissues, tumor acidity-triggered protonation of PPEMA segments resulted in high permeability of the polymersome membranes and oxidation reaction of diffused glucose and O2 under the catalysis of GOD. The activation of the reaction generated H2O2, improving the oxidative stress in tumors. Simultaneously, a high level of H2O2 further activated PCPTMA prodrugs, releasing active CPT drugs. High tumor oxidative stress and released CPT drugs synergistically killed cancer cells and suppressed tumor growth via oxidation/chemotherapy. Our study provides a new strategy for engineering therapeutic nanoreactors in an orchestrated fashion for cancer therapy.
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Affiliation(s)
- Junjie Li
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China , Hefei 230026, Anhui, China
| | - Yafei Li
- Dr. Li Dak-Sum Research Centre, The University of Hong Kong-Karolinska Institutet Collaboration in Regenerative Medicine, The University of Hong Kong , Pokfulam, Hong Kong, China
- Department of Pharmacology & Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong , Pokfulam, Hong Kong, China
| | - Yuheng Wang
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China , Hefei 230026, Anhui, China
| | - Wendong Ke
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China , Hefei 230026, Anhui, China
| | - Weijian Chen
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China , Hefei 230026, Anhui, China
| | - Weiping Wang
- Dr. Li Dak-Sum Research Centre, The University of Hong Kong-Karolinska Institutet Collaboration in Regenerative Medicine, The University of Hong Kong , Pokfulam, Hong Kong, China
- Department of Pharmacology & Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong , Pokfulam, Hong Kong, China
| | - Zhishen Ge
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China , Hefei 230026, Anhui, China
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Tan J, Liu D, Bai Y, Huang C, Li X, He J, Xu Q, Zhang L. Enzyme-Assisted Photoinitiated Polymerization-Induced Self-Assembly: An Oxygen-Tolerant Method for Preparing Block Copolymer Nano-Objects in Open Vessels and Multiwell Plates. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01219] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jianbo Tan
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Dongdong Liu
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Yuhao Bai
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Chundong Huang
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Xueliang Li
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Jun He
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Qin Xu
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
| | - Li Zhang
- Department
of Polymeric Materials and Engineering, School of Materials
and Energy, and ‡Guangdong Provincial Key Laboratory of Functional Soft Condensed
Matter, Guangdong University of Technology, Guangzhou 510006, China
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