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Sun X, Lian Y, Tian T, Cui Z. Advancements in Functional Nanomaterials Inspired by Viral Particles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2402980. [PMID: 39058214 DOI: 10.1002/smll.202402980] [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: 04/21/2024] [Revised: 06/27/2024] [Indexed: 07/28/2024]
Abstract
Virus-like particles (VLPs) are nanostructures composed of one or more structural proteins, exhibiting stable and symmetrical structures. Their precise compositions and dimensions provide versatile opportunities for modifications, enhancing their functionality. Consequently, VLP-based nanomaterials have gained widespread adoption across diverse domains. This review focuses on three key aspects: the mechanisms of viral capsid protein self-assembly into VLPs, design methods for constructing multifunctional VLPs, and strategies for synthesizing multidimensional nanomaterials using VLPs. It provides a comprehensive overview of the advancements in virus-inspired functional nanomaterials, encompassing VLP assembly, functionalization, and the synthesis of multidimensional nanomaterials. Additionally, this review explores future directions, opportunities, and challenges in the field of VLP-based nanomaterials, aiming to shed light on potential advancements and prospects in this exciting area of research.
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Affiliation(s)
- Xianxun Sun
- College of Life Science, Jiang Han University, Wuhan, 430056, China
| | - Yindong Lian
- College of Life Science, Jiang Han University, Wuhan, 430056, China
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Tao Tian
- College of Life Science, Jiang Han University, Wuhan, 430056, China
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Zongqiang Cui
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
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Torres-Salgado JF, Villagrana-Escareño MV, Duran-Meza AL, Segovia-Gonzalez XF, Cadena-Nava RD, Gelbart WM, Knobler CM, Ruiz-García J. Spontaneous bilayer wrapping of virus particles by a phospholipid Langmuir monolayer. THE EUROPEAN PHYSICAL JOURNAL. E, SOFT MATTER 2023; 46:118. [PMID: 38051443 PMCID: PMC10697897 DOI: 10.1140/epje/s10189-023-00366-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 09/27/2023] [Indexed: 12/07/2023]
Abstract
We report here the spontaneous formation of lipid-bilayer-wrapped virus particles, following the injection of "naked" virus particles into the subphase of a Langmuir trough with a liquid monolayer of lipids at its air-water interface. The virus particles are those of the well-studied cowpea chlorotic mottle virus, CCMV, which are negatively charged at the pH 6 of the subphase; the lipids are a 9:1 mix of neutral DMPC and cationic CTAB molecules. Before adding CCMV particles to the subphase we establish the mixed lipid monolayer in its liquid-expanded state at a fixed pressure (17.5 mN/m) and average area-per-molecule of (41Å2). Keeping the total area fixed, the surface pressure is observed to decrease at about 15 h after adding the virus particles in the subphase; by 37 h it has dropped to zero, corresponding to essentially all the lipid molecules having been removed from the air-water interface. By collecting particles from the subphase and measuring their sizes by atomic force microscopy, we show that the virus particles have been wrapped by lipid bilayers (or by two lipid bilayers). These results can be understood in terms of thermal fluctuations and electrostatic interactions driving the wrapping of the anionic virus particles by the cationic lipids. Spontaneous acquisition by a virus particle of, first, a hydrophobic lipid monolayer envelope and, then, a hydrophilic lipid bilayer envelope, as it interacts from the subphase with an oppositely charged Langmuir monolayer.
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Affiliation(s)
- J F Torres-Salgado
- Biological Physics Laboratory, Institute of Physics, Universidad Autónoma de San Luis Potosí, San Luis/dF Potosí, 78000, San Luis Potosí, México
| | - M V Villagrana-Escareño
- Biological Physics Laboratory, Institute of Physics, Universidad Autónoma de San Luis Potosí, San Luis/dF Potosí, 78000, San Luis Potosí, México
| | - A L Duran-Meza
- Biological Physics Laboratory, Institute of Physics, Universidad Autónoma de San Luis Potosí, San Luis/dF Potosí, 78000, San Luis Potosí, México
- Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - X F Segovia-Gonzalez
- Biological Physics Laboratory, Institute of Physics, Universidad Autónoma de San Luis Potosí, San Luis/dF Potosí, 78000, San Luis Potosí, México
| | - R D Cadena-Nava
- Biological Physics Laboratory, Institute of Physics, Universidad Autónoma de San Luis Potosí, San Luis/dF Potosí, 78000, San Luis Potosí, México
- Present Address: Center of Nanosciences and Nanotechnology-UNAM, Km 107 Carretera Tijuana-Ensenada, 22800, Ensenada, BC, México
| | - W M Gelbart
- Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095-1569, USA.
| | - C M Knobler
- Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - J Ruiz-García
- Biological Physics Laboratory, Institute of Physics, Universidad Autónoma de San Luis Potosí, San Luis/dF Potosí, 78000, San Luis Potosí, México
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Nguyen HA, Darwish S, Pham HN, Ammar S, Ha-Duong NT. Gold and Iron Oxide Nanoparticle Assemblies on Turnip Yellow Mosaic Virus for In-Solution Photothermal Experiments. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2509. [PMID: 37764538 PMCID: PMC10535558 DOI: 10.3390/nano13182509] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023]
Abstract
The ability to construct three-dimensional architectures via nanoscale engineering is important for emerging applications in sensors, catalysis, controlled drug delivery, microelectronics, and medical diagnostics nanotechnologies. Because of their well-defined and highly organized symmetric structures, viral plant capsids provide a 3D scaffold for the precise placement of functional inorganic particles yielding advanced hierarchical hybrid nanomaterials. In this study, we used turnip yellow mosaic virus (TYMV), grafting gold nanoparticles (AuNP) or iron oxide nanoparticles (IONP) onto its outer surface. It is the first time that such an assembly was obtained with IONP. After purification, the resulting nano-biohybrids were characterized by different technics (dynamic light scattering, transmission electron microcopy, X-ray photoelectron spectroscopy…), showing the robustness of the architectures and their colloidal stability in water. In-solution photothermal experiments were then successfully conducted on TYMV-AuNP and TYMV-IONP, the related nano-biohybrids, evidencing a net enhancement of the heating capability of these systems compared to their free NP counterparts. These results suggest that these virus-based materials could be used as photothermal therapeutic agents.
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Affiliation(s)
- Ha Anh Nguyen
- Phenikaa University Nano Institute (PHENA), Phenikaa University, Yen Nghia, Ha Dong, Hanoi 12116, Vietnam;
- Laboratoire ITODYS, CNRS UMR-7086, Université Paris Cité, 15 rue J-A de Baïf, 75013 Paris, France; (S.D.); (S.A.)
| | - Sendos Darwish
- Laboratoire ITODYS, CNRS UMR-7086, Université Paris Cité, 15 rue J-A de Baïf, 75013 Paris, France; (S.D.); (S.A.)
| | - Hong Nam Pham
- Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi 10000, Vietnam;
| | - Souad Ammar
- Laboratoire ITODYS, CNRS UMR-7086, Université Paris Cité, 15 rue J-A de Baïf, 75013 Paris, France; (S.D.); (S.A.)
| | - Nguyet-Thanh Ha-Duong
- Laboratoire ITODYS, CNRS UMR-7086, Université Paris Cité, 15 rue J-A de Baïf, 75013 Paris, France; (S.D.); (S.A.)
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Nguyen HA, Jupin I, Decorse P, Lau-Truong S, Ammar S, Ha-Duong NT. Assembly of gold nanoparticles using turnip yellow mosaic virus as an in-solution SERS sensor. RSC Adv 2019; 9:32296-32307. [PMID: 35530810 PMCID: PMC9072845 DOI: 10.1039/c9ra08015e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 10/05/2019] [Indexed: 12/20/2022] Open
Abstract
A common challenge in nanotechnology is the conception of materials with well-defined nanoscale structure. In recent years, virus capsids have been used as templates to create a network to organize 3D nano-objects, building thus new functional nanomaterials and then devices. In this work, we synthetized 3D gold nanoclusters and we used them as Surface Enhanced Raman Scattering (SERS) sensor substrates in solution. In practice, gold nanoparticles (AuNPs) were grafted on turnip yellow mosaic virus (TYMV) capsid, an icosahedral plant virus. Two strategies were considered to covalently bind AuNPs of different sizes (5, 10 and 20 nm) to TYMV. After purification by agarose electrophoresis and digestion by agarase, the resulting nano-bio-hybrid AuNP-TYVM was characterized by different tools. Typically, dynamic light scattering (DLS) confirmed the grafting through the hydrodynamic size increase by comparing AuNPs alone to AuNP-TYMV (up to 33, 50 and 68 nm for 5, 10 and 20 nm sized AuNPs, respectively) or capsids alone (28 nm). Transmission electronic microscopy (TEM) observations revealed that AuNPs were arranged with 5-fold symmetry, in agreement with their grafting around icosahedral capsids. Moreover, UV-vis absorption spectroscopy showed a red-shift of the plasmon absorption band on the grafted AuNP spectrum (530 nm) compared to that of the non-grafted one (520 nm). Finally, by recording in solution the Raman spectra of a dissolved probe molecule, namely 1,2-bis(4-pyridyl)ethane (BPE), in the presence of AuNP-TYVM and bare AuNPs or capsids, a net enhancement of the Raman signal was observed when BPE is adsorbed on AuNP-TYVM. The analytical enhancement factor (AEF) value of AuNP-TYMV is 5 times higher than that of AuNPs. These results revealed that AuNPs organized around virus capsid are able to serve as in-solution SERS-substrates, which is very interesting for the conception of ultrasensitive sensors in biological media. 3D-assembly of gold nanoparticles onto turnip yellow mosaic virus.![]()
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Affiliation(s)
- Ha Anh Nguyen
- ITODYS, CNRS, UMR 7086, Université de Paris 15 Rue J-A de Baïf F-75013 Paris France +33-1-57-27-72-39
| | - Isabelle Jupin
- Laboratory of Molecular Virology, Institut Jacques Monod, CNRS, Université de Paris France
| | - Philippe Decorse
- ITODYS, CNRS, UMR 7086, Université de Paris 15 Rue J-A de Baïf F-75013 Paris France +33-1-57-27-72-39
| | - Stephanie Lau-Truong
- ITODYS, CNRS, UMR 7086, Université de Paris 15 Rue J-A de Baïf F-75013 Paris France +33-1-57-27-72-39
| | - Souad Ammar
- ITODYS, CNRS, UMR 7086, Université de Paris 15 Rue J-A de Baïf F-75013 Paris France +33-1-57-27-72-39
| | - Nguyet-Thanh Ha-Duong
- ITODYS, CNRS, UMR 7086, Université de Paris 15 Rue J-A de Baïf F-75013 Paris France +33-1-57-27-72-39
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Abstract
Within the materials science community, proteins with cage-like architectures are being developed as versatile nanoscale platforms for use in protein nanotechnology. Much effort has been focused on the functionalization of protein cages with biological and non-biological moieties to bring about new properties of not only individual protein cages, but collective bulk-scale assemblies of protein cages. In this review, we report on the current understanding of protein cage assembly, both of the cages themselves from individual subunits, and the assembly of the individual protein cages into higher order structures. We start by discussing the key properties of natural protein cages (for example: size, shape and structure) followed by a review of some of the mechanisms of protein cage assembly and the factors that influence it. We then explore the current approaches for functionalizing protein cages, on the interior or exterior surfaces of the capsids. Lastly, we explore the emerging area of higher order assemblies created from individual protein cages and their potential for new and exciting collective properties.
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Affiliation(s)
- William M Aumiller
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, USA.
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Korpi A, Ma C, Liu K, Nonappa, Herrmann A, Ikkala O, Kostiainen MA. Self-Assembly of Electrostatic Cocrystals from Supercharged Fusion Peptides and Protein Cages. ACS Macro Lett 2018; 7:318-323. [PMID: 30271674 PMCID: PMC6156108 DOI: 10.1021/acsmacrolett.8b00023] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 02/13/2018] [Indexed: 12/21/2022]
Abstract
Self-assembly is a convenient process to arrange complex biomolecules into large hierarchically ordered structures. Electrostatic attraction between the building blocks is a particularly interesting driving force for the assembly process, as it is easily tunable and reversible. Large biomolecules with high surface charge density, such as proteins and protein cages, are very promising building blocks due to their uniform size and shape. Assemblies of functional molecules with well-defined nanostructures have wide-ranging applications but are difficult to produce precisely by synthetic methods. Furthermore, obtaining highly ordered structures is an important prerequisite for X-ray structure analysis. Here we show how negatively charged ferritin and viral protein cages can adopt specific cocrystal structures with supercharged cationic polypeptides (SUPs, K72) and their recombinant fusions with green fluorescent protein (GFP-K72). The cage structures and recombinant proteins self-assemble in aqueous solution to large ordered structures, where the structure morphology and size are controlled by the ratio of oppositely charged building blocks and the electrolyte concentration. Both ferritin and viral cages form cocrystals with face centered cubic structure and lattice constants of 14.0 and 28.5 nm, respectively. The crystals are porous and the cationic recombinant proteins occupy the voids between the cages. Such systems resemble naturally occurring occlusion bodies and may serve as protecting agents as well as aid the structure determination of biomolecules by X-ray scattering.
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Affiliation(s)
- Antti Korpi
- Biohybrid
Materials, Department of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
| | - Chao Ma
- Zernike
Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Kai Liu
- Zernike
Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Nonappa
- Molecular
Materials, Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland
| | - Andreas Herrmann
- Zernike
Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Olli Ikkala
- Molecular
Materials, Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland
| | - Mauri A. Kostiainen
- Biohybrid
Materials, Department of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
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7
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Wen AM, Steinmetz NF. Design of virus-based nanomaterials for medicine, biotechnology, and energy. Chem Soc Rev 2016; 45:4074-126. [PMID: 27152673 PMCID: PMC5068136 DOI: 10.1039/c5cs00287g] [Citation(s) in RCA: 246] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review provides an overview of recent developments in "chemical virology." Viruses, as materials, provide unique nanoscale scaffolds that have relevance in chemical biology and nanotechnology, with diverse areas of applications. Some fundamental advantages of viruses, compared to synthetically programmed materials, include the highly precise spatial arrangement of their subunits into a diverse array of shapes and sizes and many available avenues for easy and reproducible modification. Here, we will first survey the broad distribution of viruses and various methods for producing virus-based nanoparticles, as well as engineering principles used to impart new functionalities. We will then examine the broad range of applications and implications of virus-based materials, focusing on the medical, biotechnology, and energy sectors. We anticipate that this field will continue to evolve and grow, with exciting new possibilities stemming from advancements in the rational design of virus-based nanomaterials.
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Affiliation(s)
- Amy M Wen
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA.
| | - Nicole F Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA. and Department of Radiology, Case Western Reserve University, Cleveland, OH 44106, USA and Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, OH 44106, USA and Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106, USA and Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA
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8
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Yoshimura H, Edwards E, Uchida M, McCoy K, Roychoudhury R, Schwarz B, Patterson D, Douglas T. Two-Dimensional Crystallization of P22 Virus-Like Particles. J Phys Chem B 2016; 120:5938-44. [DOI: 10.1021/acs.jpcb.6b01425] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Hideyuki Yoshimura
- Department
of Physics, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, 214-8571, Japan
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Ethan Edwards
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Masaki Uchida
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Kimberly McCoy
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Raj Roychoudhury
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Benjamin Schwarz
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Dustin Patterson
- Department of Chemistry & Biochemistry, University of Texas at Tyler, 3900 University Boulevard, Tyler, Texas 75799, United States
| | - Trevor Douglas
- Department
of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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9
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Fukuto M, Yang L, Nykypanchuk D, Kuzmenko I. Transmission X-ray scattering as a probe for complex liquid-surface structures. JOURNAL OF SYNCHROTRON RADIATION 2016; 23:519-531. [PMID: 26917140 DOI: 10.1107/s1600577515023103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 12/01/2015] [Indexed: 06/05/2023]
Abstract
The need for functional materials calls for increasing complexity in self-assembly systems. As a result, the ability to probe both local structure and heterogeneities, such as phase-coexistence and domain morphologies, has become increasingly important to controlling self-assembly processes, including those at liquid surfaces. The traditional X-ray scattering methods for liquid surfaces, such as specular reflectivity and grazing-incidence diffraction, are not well suited to spatially resolving lateral heterogeneities due to large illuminated footprint. A possible alternative approach is to use scanning transmission X-ray scattering to simultaneously probe local intermolecular structures and heterogeneous domain morphologies on liquid surfaces. To test the feasibility of this approach, transmission small- and wide-angle X-ray scattering (TSAXS/TWAXS) studies of Langmuir films formed on water meniscus against a vertically immersed hydrophilic Si substrate were recently carried out. First-order diffraction rings were observed in TSAXS patterns from a monolayer of hexagonally packed gold nanoparticles and in TWAXS patterns from a monolayer of fluorinated fatty acids, both as a Langmuir monolayer on water meniscus and as a Langmuir-Blodgett monolayer on the substrate. The patterns taken at multiple spots have been analyzed to extract the shape of the meniscus surface and the ordered-monolayer coverage as a function of spot position. These results, together with continual improvement in the brightness and spot size of X-ray beams available at synchrotron facilities, support the possibility of using scanning-probe TSAXS/TWAXS to characterize heterogeneous structures at liquid surfaces.
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Affiliation(s)
- Masafumi Fukuto
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - Lin Yang
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - Dmytro Nykypanchuk
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - Ivan Kuzmenko
- Advanced Photon Source, Argonne National Laboratory, Lemont, IL 60439, USA
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10
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Liljeström V, Seitsonen J, Kostiainen MA. Electrostatic Self-Assembly of Soft Matter Nanoparticle Cocrystals with Tunable Lattice Parameters. ACS NANO 2015; 9:11278-11285. [PMID: 26497975 DOI: 10.1021/acsnano.5b04912] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Atomic crystal structure affects the electromagnetic and thermal properties of common matter. Similarly, the nanoscale structure controls the properties of higher length-scale metamaterials, for example, nanoparticle superlattices and photonic crystals. Electrostatic self-assembly of oppositely charged nanoparticles has recently become a convenient way to produce crystalline nanostructures. However, understanding and controlling the assembly of soft nonmetallic particle crystals with long-range translational order remains a major challenge. Here, we show the electrostatic self-assembly of binary soft particle cocrystals, consisting of apoferritin protein cages and poly(amidoamine) dendrimers (PAMAM), with very large crystal domain sizes. A systematic series of PAMAM dendrimers with generations from two to seven were used to produce the crystals, which showed a dendrimer generation dependency on the crystal structure and lattice constant. The systematic approach presented here offers a transition from trial-and-error experiments to a fundamental understanding and control over the nanostructure. The structure and stability of soft particle cocrystals are of major relevance for applications where a high degree of structural control is required, for example, protein-based mesoporous materials, nanoscale multicompartments, and metamaterials.
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Affiliation(s)
- Ville Liljeström
- Biohybrid Materials, Department of Biotechnology and Chemical Technology, and ‡Molecular Materials, Department of Applied Physics, Aalto University , 00076 Aalto, Finland
| | - Jani Seitsonen
- Biohybrid Materials, Department of Biotechnology and Chemical Technology, and ‡Molecular Materials, Department of Applied Physics, Aalto University , 00076 Aalto, Finland
| | - Mauri A Kostiainen
- Biohybrid Materials, Department of Biotechnology and Chemical Technology, and ‡Molecular Materials, Department of Applied Physics, Aalto University , 00076 Aalto, Finland
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Srivastava S, Nykypanchuk D, Fukuto M, Gang O. Tunable nanoparticle arrays at charged interfaces. ACS NANO 2014; 8:9857-9866. [PMID: 25197949 DOI: 10.1021/nn5042416] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Structurally tunable two-dimensional (2D) arrays of nanoscale objects are important for modulating functional responses of thin films. We demonstrate that such tunable and ordered nanoparticles (NP) arrays can be assembled at charged air-water interfaces from nanoparticles coated with polyelectrolyte chains, DNA. The electrostatic attraction between the negatively charged nonhybridizing DNA-coated gold NPs and a positively charged lipid layer at the interface facilitates the formation of a 2D hexagonally closed packed (HCP) nanoparticle lattice. We observed about 4-fold change of the monolayer nanoparticle density by varying the ionic strength of the subphase. The tunable NP arrays retain their structure reasonably well when transferred to a solid support. The influence of particle's DNA corona and lipid layer composition on the salt-induced in-plane and normal structural evolution of NP arrays was studied in detail using a combination of synchrotron-based in situ surface scattering methods, grazing incidence X-ray scattering (GISAXS), and X-ray reflectivity (XRR). Comparative analysis of the interparticle distances as a function of ionic strength reveals the difference between the studied 2D nanoparticle arrays and analogous bulk polyelectrolyte star polymers systems, typically described by Daoud-Cotton model and power law scaling. The observed behavior of the 2D nanoparticle array manifests a nonuniform deformation of the nanoparticle DNA corona due to its electrostatically induced confinement at the lipid interface. The present study provides insight on the interfacial properties of the NPs coated with charged soft shells.
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Affiliation(s)
- Sunita Srivastava
- Center for Functional Nanomaterials, Brookhaven National Laboratory , Upton, New York 11973, United States
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12
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Liljeström V, Mikkilä J, Kostiainen MA. Self-assembly and modular functionalization of three-dimensional crystals from oppositely charged proteins. Nat Commun 2014; 5:4445. [PMID: 25033911 PMCID: PMC4109007 DOI: 10.1038/ncomms5445] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Accepted: 06/18/2014] [Indexed: 02/08/2023] Open
Abstract
Multicomponent crystals and nanoparticle superlattices are a powerful approach to integrate different materials into ordered nanostructures. Well-developed, especially DNA-based, methods for their preparation exist, yet most techniques concentrate on molecular and synthetic nanoparticle systems in non-biocompatible environment. Here we describe the self-assembly and characterization of binary solids that consist of crystalline arrays of native biomacromolecules. We electrostatically assembled cowpea chlorotic mottle virus particles and avidin proteins into heterogeneous crystals, where the virus particles adopt a non-close-packed body-centred cubic arrangement held together by avidin. Importantly, the whole preparation process takes place at room temperature in a mild aqueous medium allowing the processing of delicate biological building blocks into ordered structures with lattice constants in the nanometre range. Furthermore, the use of avidin-biotin interaction allows highly selective pre- or post-functionalization of the protein crystals in a modular way with different types of functional units, such as fluorescent dyes, enzymes and plasmonic nanoparticles.
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Affiliation(s)
- Ville Liljeström
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, Aalto University, 00076 Aalto, Finland
- Molecular Materials Group, Department of Applied Physics, Aalto University, 00076 Aalto, Finland
| | - Joona Mikkilä
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, Aalto University, 00076 Aalto, Finland
- Molecular Materials Group, Department of Applied Physics, Aalto University, 00076 Aalto, Finland
| | - Mauri A. Kostiainen
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, Aalto University, 00076 Aalto, Finland
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