1
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Caselli L, Conti L, De Santis I, Berti D. Small-angle X-ray and neutron scattering applied to lipid-based nanoparticles: Recent advancements across different length scales. Adv Colloid Interface Sci 2024; 327:103156. [PMID: 38643519 DOI: 10.1016/j.cis.2024.103156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/28/2024] [Accepted: 04/08/2024] [Indexed: 04/23/2024]
Abstract
Lipid-based nanoparticles (LNPs), ranging from nanovesicles to non-lamellar assemblies, have gained significant attention in recent years, as versatile carriers for delivering drugs, vaccines, and nutrients. Small-angle scattering methods, employing X-rays (SAXS) or neutrons (SANS), represent unique tools to unveil structure, dynamics, and interactions of such particles on different length scales, spanning from the nano to the molecular scale. This review explores the state-of-the-art on scattering methods applied to unveil the structure of lipid-based nanoparticles and their interactions with drugs and bioactive molecules, to inform their rational design and formulation for medical applications. We will focus on complementary information accessible with X-rays or neutrons, ranging from insights on the structure and colloidal processes at a nanoscale level (SAXS) to details on the lipid organization and molecular interactions of LNPs (SANS). In addition, we will review new opportunities offered by Time-resolved (TR)-SAXS and -SANS for the investigation of dynamic processes involving LNPs. These span from real-time monitoring of LNPs structural evolution in response to endogenous or external stimuli (TR-SANS), to the investigation of the kinetics of lipid diffusion and exchange upon interaction with biomolecules (TR-SANS). Finally, we will spotlight novel combinations of SAXS and SANS with complementary on-line techniques, recently enabled at Large Scale Facilities for X-rays and neutrons. This emerging technology enables synchronized multi-method investigation, offering exciting opportunities for the simultaneous characterization of the structure and chemical or mechanical properties of LNPs.
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Affiliation(s)
- Lucrezia Caselli
- Physical Chemistry 1, University of Lund, S-221 00 Lund, Sweden.
| | - Laura Conti
- Consorzio Sistemi a Grande Interfase, Department of Chemistry, University of Florence, Sesto Fiorentino, Italy
| | - Ilaria De Santis
- Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, Florence 50019, Italy
| | - Debora Berti
- Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, Florence 50019, Italy; Consorzio Sistemi a Grande Interfase, Department of Chemistry, University of Florence, Sesto Fiorentino, Italy.
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2
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Bowley E, Liu W, Adams DJ, Squires AM. Soft Materials with Time-Programmed Changes in Physical Properties through Lyotropic Phase Transitions Induced by pH-Changing Reactions. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19585-19593. [PMID: 38579106 DOI: 10.1021/acsami.4c01455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
We present the development of time-programmable functional soft materials. The materials undergo reversible phase transitions between lyotropic phases with different topologies and symmetries, which in turn have very different physical properties: viscosity, diffusion, and optical transparency. Here, this behavior is achieved by combining pH-responsive lyotropic phases made from the lipid monoolein doped with 10% oleic acid, with chemical reactions that have well-defined controllable kinetics: autocatalytic urea-urease and methyl formate hydrolysis, which increase and decrease pH, respectively. In this case, we use small-angle X-ray scattering (SAXS) and optical imaging to show temporally controlled transitions between the cloudy hexagonal phase, which is a two-dimensional (2D) array of cylindrical inverse micelles, and the transparent, highly viscous three-dimensional (3D) bicontinuous cubic phases. By combining these into a single reaction mixture where the pH increases and then decreases again, we can induce a sequential transformation cycle from hexagonal to cubic and back to hexagonal over several hours. The sample therefore changes from cloudy to transparent and back again as a proof-of-concept demonstration for a wider range of soft materials with time-programmable changes in physical properties.
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Affiliation(s)
- Emma Bowley
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Wanli Liu
- Department of Chemistry, University of Bath, Bath BA2 7AY, U.K
| | - Dave J Adams
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Adam M Squires
- Department of Chemistry, University of Bath, Bath BA2 7AY, U.K
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3
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Yu H, Iscaro J, Dyett B, Zhang Y, Seibt S, Martinez N, White J, Drummond CJ, Bozinovski S, Zhai J. Inverse Cubic and Hexagonal Mesophase Evolution within Ionizable Lipid Nanoparticles Correlates with mRNA Transfection in Macrophages. J Am Chem Soc 2023. [PMID: 37870621 DOI: 10.1021/jacs.3c08729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
mRNA lipid nanoparticle (LNP) technology presents enormous opportunities to prevent and treat various diseases. Here, we developed a novel series of LNPs containing ionizable amino-lipids showing a remarkable array of tunable and pH-sensitive lyotropic liquid crystalline mesophases including the inverse bicontinuous cubic and hexagonal phases characterized by high-throughput synchrotron radiation X-ray scattering. Furthermore, with an interest in developing mRNA therapeutics for lung macrophage targeting, we discovered that there is a strong correlation between the mesophase transition of the LNPs during acidification and the macrophage association/transfection efficiency of mRNAs. The slight molecular structural differences between the SM-102 and ALC-0315 ionizable lipids are linked to the LNP's ability to transform their internal structures from an amorphous state to the inverse micellar, hexagonal, and finally cubic structures during endosomal maturation. SM-102 LNPs showed exceptionally improved transfection efficiency due to their ability to form a cubic structure at a lower pH than the ALC-0315 analogues, which remained within the hexagonal structure, previously attributed to promoting endosomal escape of the ionizable LNPs. Overall, the new knowledge draws our attention to the important role of mesophase transition in endosomal escape, and the novel LNP libraries reported herein have broad prospects for advancing mRNA therapeutics.
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Affiliation(s)
- Haitao Yu
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3000, Australia
| | - Joshua Iscaro
- Centre for Respiratory Science & Health, School of Health & Biomedical Sciences, RMIT University, Melbourne, Victoria 3000, Australia
| | - Brendan Dyett
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3000, Australia
| | - Yiran Zhang
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3000, Australia
| | - Susanne Seibt
- SAXS/WAXS Beamline, Australian Synchrotron, ANSTO, 800 Blackburn Rd, Clayton, Victoria 3168, Australia
| | - Natalia Martinez
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3000, Australia
| | - Jacinta White
- CSIRO Manufacturing, Bayview Avenue,Clayton, Victoria 3169, Australia
| | - Calum J Drummond
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3000, Australia
| | - Steven Bozinovski
- Centre for Respiratory Science & Health, School of Health & Biomedical Sciences, RMIT University, Melbourne, Victoria 3000, Australia
| | - Jiali Zhai
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3000, Australia
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4
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Loo YS, Zahid NI, Madheswaran T, Ikeno S, Nurdin A, Mat Azmi ID. Coencapsulation of Gemcitabine and Thymoquinone in Citrem-Phosphatidylcholine Hexosome Nanocarriers Improves In Vitro Cellular Uptake in Breast Cancer Cells. Mol Pharm 2023; 20:4611-4628. [PMID: 37587099 DOI: 10.1021/acs.molpharmaceut.3c00333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Lyotropic liquid crystalline nanoassemblies (LLCNs) are internally self-assembled (ISA)-somes formed by amphiphilic molecules in a mixture comprising a lipid, stabilizer, and/or surfactant and aqueous media/dispersant. LLCNs are unique nanoassemblies with versatile applications in a wide range of biomedical functions. However, they comprise a nanosystem that is yet to be fully explored for targeted systemic treatment of breast cancer. In this study, LLCNs proposed for gemcitabine and thymoquinone (Gem-TQ) co-delivery were prepared from soy phosphatidylcholine (SPC), phytantriol (PHYT), or glycerol monostearate (MYVR) in optimized ratios containing a component of citric and fatty acid ester-based emulsifier (Grinsted citrem) or a triblock copolymer, Pluronic F127 (F127). Hydrodynamic particle sizes determined were below 400 nm (ranged between 96 and 365 nm), and the series of nanoformulations displayed negative surface charge. Nonlamellar phases identified by small-angle X-ray scattering (SAXS) profiles comprise the hexagonal, cubic, and micellar phases. In addition, high entrapment efficiency that accounted for 98.3 ± 0.1% of Gem and 99.5 ± 0.1% of TQ encapsulated was demonstrated by the coloaded nanocarrier system, SPC/citrem/Gem-TQ hexosomes. Low cytotoxicity of SPC-citrem hexosomes was demonstrated in MCF10A cells consistent with hemo- and biocompatibility observed in zebrafish (Danio rerio) embryos for up to 96 h postfertilization (hpf). SPC/citrem/Gem-TQ hexosomes demonstrated IC50 of 24.7 ± 4.2 μM in MCF7 breast cancer cells following a 24 h treatment period with the moderately synergistic interaction between Gem and TQ retained (CI = 0.84). Taken together, biocompatible SPC/citrem/Gem-TQ hexosomes can be further developed as a multifunctional therapeutic nanodelivery approach, plausible for targeting breast cancer cells by incorporation of targeting ligands.
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Affiliation(s)
- Yan Shan Loo
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - N Idayu Zahid
- Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly, Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Thiagarajan Madheswaran
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Shinya Ikeno
- Department of Biological Functions Engineering, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu, Kitakyushu, 808-01906 Fukuoka, Japan
| | - Armania Nurdin
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Intan Diana Mat Azmi
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
- Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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5
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Pilkington CP, Contini C, Barritt JD, Simpson PA, Seddon JM, Elani Y. A microfluidic platform for the controlled synthesis of architecturally complex liquid crystalline nanoparticles. Sci Rep 2023; 13:12684. [PMID: 37542147 PMCID: PMC10403506 DOI: 10.1038/s41598-023-39205-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 07/21/2023] [Indexed: 08/06/2023] Open
Abstract
Soft-matter nanoparticles are of great interest for their applications in biotechnology, therapeutic delivery, and in vivo imaging. Underpinning this is their biocompatibility, potential for selective targeting, attractive pharmacokinetic properties, and amenability to downstream functionalisation. Morphological diversity inherent to soft-matter particles can give rise to enhanced functionality. However, this diversity remains untapped in clinical and industrial settings, and only the simplest of particle architectures [spherical lipid vesicles and lipid/polymer nanoparticles (LNPs)] have been routinely exploited. This is partially due to a lack of appropriate methods for their synthesis. To address this, we have designed a scalable microfluidic hydrodynamic focusing (MHF) technology for the controllable, rapid, and continuous production of lyotropic liquid crystalline (LLC) nanoparticles (both cubosomes and hexosomes), colloidal dispersions of higher-order lipid assemblies with intricate internal structures of 3-D and 2-D symmetry. These particles have been proposed as the next generation of soft-matter nano-carriers, with unique fusogenic and physical properties. Crucially, unlike alternative approaches, our microfluidic method gives control over LLC size, a feature we go on to exploit in a fusogenic study with model cell membranes, where a dependency of fusion on particle diameter is evident. We believe our platform has the potential to serve as a tool for future studies involving non-lamellar soft nanoparticles, and anticipate it allowing for the rapid prototyping of LLC particles of diverse functionality, paving the way toward their eventual wide uptake at an industrial level.
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Affiliation(s)
- Colin P Pilkington
- Department of Chemistry, Molecular Science Research Hub, Imperial College London, 82 Wood Lane, London, W12 0BZ, UK.
- Department of Chemical Engineering, Imperial College London, Exhibition Road, London, SW7 2AZ, UK.
| | - Claudia Contini
- Department of Chemical Engineering, Imperial College London, Exhibition Road, London, SW7 2AZ, UK
| | - Joseph D Barritt
- Department of Life Sciences, Imperial College London, Exhibition Road, London, SW7 2AZ, UK
| | - Paul A Simpson
- Department of Life Sciences, Centre for Structural Biology, Imperial College London, Exhibition Road, London, SW7 2AZ, UK
| | - John M Seddon
- Department of Chemistry, Molecular Science Research Hub, Imperial College London, 82 Wood Lane, London, W12 0BZ, UK
| | - Yuval Elani
- Department of Chemical Engineering, Imperial College London, Exhibition Road, London, SW7 2AZ, UK.
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6
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Jennings J, Pabst G. Multiple Routes to Bicontinuous Cubic Liquid Crystal Phases Discovered by High-Throughput Self-Assembly Screening of Multi-Tail Lipidoids. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2206747. [PMID: 37026678 DOI: 10.1002/smll.202206747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/16/2023] [Indexed: 06/19/2023]
Abstract
Bicontinuous cubic phases offer advantageous routes to a broad range of applied materials ranging from drug delivery devices to membranes. However, a priori design of molecules that assemble into these phases remains a technological challenge. In this article, a high-throughput synthesis of lipidoids that undergo protonation-driven self-assembly (PrSA) into liquid crystalline (LC) phases is conducted. With this screening approach, 12 different multi-tail lipidoid structures capable of assembling into the bicontinuous double gyroid phase are discovered. The large volume of small-angle X-ray scattering (SAXS) data uncovers unexpected design criteria that enable phase selection as a function of lipidoid headgroup size and architecture, tail length and architecture, and counterion identity. Surprisingly, combining branched headgroups with bulky tails forces lipidoids to adopt unconventional pseudo-disc conformations that pack into double gyroid networks, entirely distinct from other synthetic or biological amphiphiles within bicontinuous cubic phases. From a multitude of possible applications, two examples of functional materials from lipidoid liquid crystals are demonstrated. First, the fabrication of gyroid nanostructured films by interfacial PrSA, which are rapidly responsive to the external medium. Second, it is shown that colloidally-dispersed lipidoid cubosomes, for example, for drug delivery, are easily assembled using top-down solvent evaporation methods.
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Affiliation(s)
- James Jennings
- Institute of Molecular Biosciences, University of Graz, NAWI Graz, Graz, 8010, Austria
- Field of Excellence BioHealth, University of Graz, Graz, 8010, Austria
| | - Georg Pabst
- Institute of Molecular Biosciences, University of Graz, NAWI Graz, Graz, 8010, Austria
- Field of Excellence BioHealth, University of Graz, Graz, 8010, Austria
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7
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Shao Y, Han D, Tao Y, Feng F, Han G, Hou B, Liu H, Yang S, Fu Q, Zhang WB. Leveraging Macromolecular Isomerism for Phase Complexity in Janus Nanograins. ACS CENTRAL SCIENCE 2023; 9:289-299. [PMID: 36844495 PMCID: PMC9951285 DOI: 10.1021/acscentsci.2c01405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Indexed: 06/18/2023]
Abstract
It remains intriguing whether macromolecular isomerism, along with competing molecular interactions, could be leveraged to create unconventional phase structures and generate considerable phase complexity in soft matter. Herein, we report the synthesis, assembly, and phase behaviors of a series of precisely defined regioisomeric Janus nanograins with distinct core symmetry. They are named B2DB2 where B stands for iso-butyl-functionalized polyhedral oligomeric silsesquioxanes (POSS) and D stands for dihydroxyl-functionalized POSS. While BPOSS prefers crystallization with a flat interface, DPOSS prefers to phase-separate from BPOSS. In solution, they form 2D crystals owing to strong BPOSS crystallization. In bulk, the subtle competition between crystallization and phase separation is strongly influenced by the core symmetry, leading to distinct phase structures and transition behaviors. The phase complexity was understood based on their symmetry, molecular packing, and free energy profiles. The results demonstrate that regioisomerism could indeed generate profound phase complexity.
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Affiliation(s)
- Yu Shao
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Polymer
Chemistry & Physics of Ministry of Education, College of Chemistry
and Molecular Engineering, Center for Soft Matter Science and Engineering, Peking University, Beijing 100871, China
| | - Di Han
- College
of Polymer Science & Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Yangdan Tao
- College
of Polymer Science & Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Fengfeng Feng
- Center
for Advanced Low-Dimension Materials, State Key Laboratory for Modification
of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
| | - Ge Han
- College
of Polymer Science & Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Bo Hou
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Polymer
Chemistry & Physics of Ministry of Education, College of Chemistry
and Molecular Engineering, Center for Soft Matter Science and Engineering, Peking University, Beijing 100871, China
| | - Hao Liu
- Center
for Advanced Low-Dimension Materials, State Key Laboratory for Modification
of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
| | - Shuguang Yang
- Center
for Advanced Low-Dimension Materials, State Key Laboratory for Modification
of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
| | - Qiang Fu
- College
of Polymer Science & Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Wen-Bin Zhang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Polymer
Chemistry & Physics of Ministry of Education, College of Chemistry
and Molecular Engineering, Center for Soft Matter Science and Engineering, Peking University, Beijing 100871, China
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8
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Barriga HM, Pence IJ, Holme MN, Doutch JJ, Penders J, Nele V, Thomas MR, Carroni M, Stevens MM. Coupling Lipid Nanoparticle Structure and Automated Single-Particle Composition Analysis to Design Phospholipase-Responsive Nanocarriers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200839. [PMID: 35358374 PMCID: PMC7615489 DOI: 10.1002/adma.202200839] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/11/2022] [Indexed: 06/14/2023]
Abstract
Lipid nanoparticles (LNPs) are versatile structures with tunable physicochemical properties that are ideally suited as a platform for vaccine delivery and RNA therapeutics. A key barrier to LNP rational design is the inability to relate composition and structure to intracellular processing and function. Here Single Particle Automated Raman Trapping Analysis (SPARTA) is combined with small-angle X-ray and neutron scattering (SAXS/SANS) techniques to link LNP composition with internal structure and morphology and to monitor dynamic LNP-phospholipase D (PLD) interactions. This analysis demonstrates that PLD, a key intracellular trafficking mediator, can access the entire LNP lipid membrane to generate stable, anionic LNPs. PLD activity on vesicles with matched amounts of enzyme substrate is an order of magnitude lower, indicating that the LNP lipid membrane structure can be used to control enzyme interactions. This represents an opportunity to design enzyme-responsive LNP solutions for stimuli-responsive delivery and diseases where PLD is dysregulated.
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Affiliation(s)
- Hanna M.G. Barriga
- Department of Medical Biochemistry and Biophysics Karolinska Institutet, Stockholm SE-171 77, Sweden
| | - Isaac J. Pence
- Department of Materials, Department of Bioengineering,and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Margaret N. Holme
- Department of Medical Biochemistry and Biophysics Karolinska Institutet, Stockholm SE-171 77, Sweden
| | - James J. Doutch
- ISIS Neutron and Muon Source, STFC, Rutherford Appleton Laboratory Didcot OX11 ODE, UK
| | - Jelle Penders
- Department of Materials, Department of Bioengineering,and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Valeria Nele
- Department of Materials, Department of Bioengineering,and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Michael R. Thomas
- Department of Materials, Department of Bioengineering,and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Marta Carroni
- Department of Biochemistry and Biophysics, Science for Life Laboratory Stockholm University, Stockholm 171 65, Sweden
| | - Molly M. Stevens
- Department of Medical Biochemistry and Biophysics Karolinska Institutet, Stockholm SE-171 77, Sweden
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9
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Fan B, Wan J, Zhai J, Teo NKS, Huynh A, Thang SH. Photoluminescent polymer cubosomes prepared by RAFT-mediated polymerization-induced self-assembly. Polym Chem 2022. [DOI: 10.1039/d2py00701k] [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 preparation of photoluminescent polymer assemblies with a wide range of morphologies, including spongosomes and cubosomes, via an efficient RAFT-mediated polymerization-induced self-assembly (RAFT-PISA) process, was demonstrated.
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Affiliation(s)
- Bo Fan
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
- ARC Centre of Excellence for Enabling Eco-Efficient Beneficiation of Minerals, Monash Node, VIC 3800, Australia
| | - Jing Wan
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Jiali Zhai
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | | | - Andy Huynh
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - San H. Thang
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
- ARC Centre of Excellence for Enabling Eco-Efficient Beneficiation of Minerals, Monash Node, VIC 3800, Australia
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