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Wang L, Li N, Wang W, Mei A, Shao J, Wang W, Dong X. Benzobisthiadiazole-Based Small Molecular Near-Infrared-II Fluorophores: From Molecular Engineering to Nanophototheranostics. ACS NANO 2024; 18:4683-4703. [PMID: 38295152 DOI: 10.1021/acsnano.3c12316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
Organic fluorescent molecules with emission in the second near-infrared (NIR-II) biological window have aroused increasing investigation in cancer phototheranostics. Among these studies, Benzobisthiadiazole (BBT), with high electron affinity, is widely utilized as the electron acceptor in constructing donor-acceptor-donor (D-A-D) structured fluorophores with intensive near-infrared (NIR) absorption and NIR-II fluorescence. Until now, numerous BBT-based NIR-II dyes have been employed in tumor phototheranostics due to their exceptional structure tunability, biocompatibility, and photophysical properties. This review systematically overviews the research progress of BBT-based small molecular NIR-II dyes and focuses on molecule design and bioapplications. First, the molecular engineering strategies to fine-tune the photophysical properties in constructing the high-performance BBT-based NIR-II fluorophores are discussed in detail. Then, their biological applications in optical imaging and phototherapy are highlighted. Finally, the current challenges and future prospects of BBT-based NIR-II fluorescent dyes are also summarized. This review is believed to significantly promote the further progress of BBT-derived NIR-II fluorophores for cancer phototheranostics.
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Affiliation(s)
- Leichen Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Na Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Weili Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Anqing Mei
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Jinjun Shao
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Wenjun Wang
- School of Physicals and Information Technology, Liaocheng University, Liaocheng 252059, China
| | - Xiaochen Dong
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou 221116, China
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Lermusiaux L, Roach L, Baron A, Treguer-Delapierre M. Bottom-up synthesis of meta-atoms as building blocks in self-assembled metamaterials : Recent advances and perspectives. NANO EXPRESS 2022. [DOI: 10.1088/2632-959x/ac6889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Meta-atoms interact with light in interesting ways and offer a large range of exciting properties. They exhibit optical properties inaccessible by natural atoms but their fabrication is notoriously difficult because of the precision required. In this perspective, we present the current research landscape in making meta-atoms, with a focus on the most promising self-assembly approaches and main challenges to overcome, for the development of materials with novel properties at optical frequencies.
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Min X, Zhang J, Li RH, Xia F, Cheng SQ, Li M, Zhu W, Zhou W, Li F, Sun Y. Encapsulation of NIR-II AIEgens in Virus-like Particles for Bioimaging. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17372-17379. [PMID: 33834757 DOI: 10.1021/acsami.1c02691] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The development of organic nanoparticles that fluoresce in the near-infrared, especially in the second near-infrared (NIR-II) window, improves in vivo fluorescence imaging due to deeper penetration and higher spatiotemporal resolution. We report two kinds of NIR-II fluorescent molecules with twisted intramolecular charge-transfer (TICT) and aggregation-induced emission (AIE) characteristics. The virus-like particles (VLPs) of simian virus 40 (SV40) were used as templates to encapsulate the molecules in a well-defined structure (referred to as CH1-SV40 and CH2-SV40). The CH1-SV40 dots exhibited a highly uniform size of 21.5 nm, strong fluorescence, high photostability, and good biocompatibility in vitro and in vivo. Their fluorescence spectrum exhibited a peak at 955 nm, with a tail extending to 1200 nm. Moreover, the CH1-SV40 dots, with a quantum yield of 13.03%, enabled blood vessel imaging and image-guided surgery with a high signal-to-background ratio. Overall, the hybrid nanoparticles represent a new kind of NIR-II AIE nanoprobes for biomedical imaging.
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Affiliation(s)
- Xuehong Min
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
| | - Juan Zhang
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences (CAS), Wuhan 430071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Run-Hao Li
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
| | - Fangfang Xia
- State Key Laboratory of Material Processing and Die and Mould Technology School of Material Sciences and Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Shi-Qi Cheng
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
| | - Ming Li
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences (CAS), Wuhan 430071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Weiwei Zhu
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences (CAS), Wuhan 430071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wei Zhou
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences (CAS), Wuhan 430071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Feng Li
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences (CAS), Wuhan 430071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yue Sun
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
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Huang L, Jin J, Ao L, Jiang C, Zhang Y, Wen HM, Wang J, Wang H, Hu J. Hierarchical Plasmonic-Fluorescent Labels for Highly Sensitive Lateral Flow Immunoassay with Flexible Dual-Modal Switching. ACS APPLIED MATERIALS & INTERFACES 2020; 12:58149-58160. [PMID: 33326226 DOI: 10.1021/acsami.0c18667] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Lateral flow immunoassay (LFIA), as a prominent point-of-care (POC) test platform, has been extensively adopted for rapid, on-site, and facile diagnosis of pathogen infections and disease biomarkers. Exploring novel structured optical labels of LFIA with amplified signal and complementary detection modes favors the sensitive and flexible POC diagnosis. Here, bimodal labels with both colorimetric and fluorescent readout were fabricated via a layered sequential assembly strategy based on affinity templates and hydrophobic metal-containing nanounits. High-quality colorimetric and fluorescent nanoparticles were densely incorporated into the colloidal supports and confined in separated regions, without interfering with each other. The hierarchical integration of gold nanoparticles and quantum dots with high loading density and good optical preservation realized dual readout and amplified signals from the assemblies of individual single nanoparticles. The "all-in-one" optical labels allowed both colorimetric and fluorescent detection of cystatin C (Cys C) after surface conjugation with antibodies. The LFIA strips revealed noninterfering dual signals for both visual inspection and quantitative detection of Cys C via the naked eye and portable devices, respectively. The limits of detection by colorimetric and fluorescent modes were 0.61 and 0.24 ng mL-1, respectively. The novel LFIA platform demonstrated sensitive, specific, and reproducible POC testing of biomarkers with flexible detection modes and was reliable for clinical diagnosis.
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Affiliation(s)
- Liang Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jiening Jin
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Lijiao Ao
- Institute of Biomedical Engineering, The Second Clinical Medical College (Shenzhen People's Hospital) of Jinan University, Shenzhen 518020, P. R. China
| | - Chenxing Jiang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yuxing Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Hui-Min Wen
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Haiyan Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of Chemical Biosensor of Shanxi Province, Key Laboratory of National Forest and Grass Administration for the Application of Graphene in Forestry, Shanxi Datong University, Datong 037009, P. R. China
| | - Jun Hu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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Höller RPM, Jahn IJ, Cialla-May D, Chanana M, Popp J, Fery A, Kuttner C. Biomacromolecular-Assembled Nanoclusters: Key Aspects for Robust Colloidal SERS Sensing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:57302-57313. [PMID: 33306362 DOI: 10.1021/acsami.0c16398] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Superstructures of gold nanospheres offer augmented surface-enhanced Raman scattering (SERS) activities beyond the limits of their individual building blocks. However, for application as reliable and quantitative colloidal SERS probes, some key aspects need to be considered to combine efficiency and robustness with respect to hotspot excitation, analyte adsorption, signal stability, and colloidal stability. For this purpose, we studied core/satellite superstructures with spherical cores as a simple optically isotropic model system. Superstructures of different core sizes were assembled using bovine serum albumin (BSA), which serves as a non-specific biomacromolecular linker and provides electrosteric stabilization. We show that the "noisy" spectral footprint of the protein coating may serve as an internal standard, which allows accurate monitoring of the adsorption kinetics of analytes. The SERS activity was quantified using 4-mercaptobenzoic acid (MBA) as an aromatic low-molecular-weight model analyte. The molar SERS efficiency was studied by variation of the particle (Au0) and analyte concentrations with a limit of detection of 10-7 M MBA. The practical importance of colloidal stability for robust measurement conditions was demonstrated by comparing the superstructures with their citrate-stabilized or protein-coated building blocks. We explain the theoretical background of hotspot formation by a leader/follower relationship of asymmetric control between the core and the satellites and give practical guidelines for robust colloidal SERS sensing probes.
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Affiliation(s)
- Roland P M Höller
- Leibniz-Institut für Polymerforschung Dresden e.V., Institute of Physical Chemistry and Polymer Physics, Hohe Str. 6, 01069 Dresden, Germany
| | - Izabella J Jahn
- Leibniz Institute of Photonics Technology (IPHT), Member of the Research Alliance "Leibniz Health Technologies", Albert-Einstein-Str. 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Research Campus Jena, Centre for Applied Research, Philosophenweg 7, 07743 Jena, Germany
| | - Dana Cialla-May
- Leibniz Institute of Photonics Technology (IPHT), Member of the Research Alliance "Leibniz Health Technologies", Albert-Einstein-Str. 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Research Campus Jena, Centre for Applied Research, Philosophenweg 7, 07743 Jena, Germany
| | - Munish Chanana
- Swiss Wood Solutions AG, Überlandstr. 129, 8600 Dübendorf, Switzerland
| | - Jürgen Popp
- Leibniz Institute of Photonics Technology (IPHT), Member of the Research Alliance "Leibniz Health Technologies", Albert-Einstein-Str. 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Research Campus Jena, Centre for Applied Research, Philosophenweg 7, 07743 Jena, Germany
| | - Andreas Fery
- Leibniz-Institut für Polymerforschung Dresden e.V., Institute of Physical Chemistry and Polymer Physics, Hohe Str. 6, 01069 Dresden, Germany
- Physical Chemistry of Polymeric Materials, Technische Universität Dresden, Hohe Str. 6, 01069 Dresden, Germany
- Cluster of Excellence Centre for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
| | - Christian Kuttner
- Leibniz-Institut für Polymerforschung Dresden e.V., Institute of Physical Chemistry and Polymer Physics, Hohe Str. 6, 01069 Dresden, Germany
- Cluster of Excellence Centre for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
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Li F, Wang D, Zhou J, Men D, Zhan XE. Design and biosynthesis of functional protein nanostructures. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1142-1158. [PMID: 32253589 DOI: 10.1007/s11427-019-1641-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 02/05/2020] [Indexed: 02/06/2023]
Abstract
Proteins are one of the major classes of biomolecules that execute biological functions for maintenance of life. Various kinds of nanostructures self-assembled from proteins have been created in nature over millions of years of evolution, including protein nanowires, layers and nanocages. These protein nanostructures can be reconstructed and equipped with desired new functions. Learning from and manipulating the self-assembly of protein nanostructures not only help to deepen our understanding of the nature of life but also offer new routes to fabricate novel nanomaterials for diverse applications. This review summarizes the recent research progress in this field, focusing on the characteristics, functionalization strategies, and applications of protein nanostructures.
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Affiliation(s)
- Feng Li
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China.
| | - Dianbing Wang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Juan Zhou
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Dong Men
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Xian-En Zhan
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
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7
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Benjamin CE, Chen Z, Kang P, Wilson BA, Li N, Nielsen SO, Qin Z, Gassensmith JJ. Site-Selective Nucleation and Size Control of Gold Nanoparticle Photothermal Antennae on the Pore Structures of a Virus. J Am Chem Soc 2018; 140:17226-17233. [PMID: 30452248 DOI: 10.1021/jacs.8b10446] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
In this Article, we show that the surface of the bacteriophage Qβ is equipped with natural ligands for the synthesis of small gold nanoparticles (AuNPs). By exploiting disulfides in the protein secondary structure and the geometry formed from the capsid quaternary structure, we find that we can produce regularly arrayed patterns of ∼6 nm AuNPs across the surface of the virus-like particle. Experimental and computational analyses provide insight into the formation and stability of this composite. We further show that the entrapped genetic material can hold upward of 500 molecules of the anticancer drug Doxorubicin without leaking and without interfering with the synthesis of the AuNPs. This direct nucleation of nanoparticles on the capsid allows for exceptional conduction of photothermal energy upon nanosecond laser irradiation. As a proof of principle, we demonstrate that this energy is capable of rapidly releasing the drug from the capsid without heating the bulk solution, allowing for highly targeted cell killing in vitro.
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Affiliation(s)
| | | | | | | | | | | | - Zhenpeng Qin
- Department of Surgery , The University of Texas Southwestern Medical Center , 5323 Harry Hines Blvd. , Dallas , Texas 75390 , United States
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van Rosmalen MGM, Li C, Zlotnick A, Wuite GJL, Roos WH. Effect of dsDNA on the Assembly Pathway and Mechanical Strength of SV40 VP1 Virus-like Particles. Biophys J 2018; 115:1656-1665. [PMID: 30301514 DOI: 10.1016/j.bpj.2018.07.044] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/05/2018] [Accepted: 07/16/2018] [Indexed: 02/06/2023] Open
Abstract
Simian virus 40 (SV40) is a possible vehicle for targeted drug delivery systems because of its low immunogenicity, high infectivity, and high transfection efficiency. To use SV40 for biotechnology applications, more information is needed on its assembly process to efficiently incorporate foreign materials and to tune the mechanical properties of the structure. We use atomic force microscopy to determine the effect of double-stranded DNA packaging, buffer conditions, and incubation time on the morphology and strength of virus-like particles (VLPs) composed of SV40 VP1 pentamers. DNA-induced assembly results in a homogeneous population of native-like, ∼45 nm VLPs. In contrast, under high-ionic-strength conditions, the VP1 pentamers do not seem to interact consistently, resulting in a heterogeneous population of empty VLPs. The stiffness of both in-vitro-assembled empty and DNA-filled VLPs is comparable. Yet, the DNA increases the VLPs' resistance to large deformation forces by acting as a scaffold, holding the VP1 pentamers together. Both disulfide bridges and Ca2+, important in-vitro-assembly factors, affect the mechanical stability of the VLPs: the reducing agent DTT makes the VLPs less resistant to mechanical stress and prone to damage, whereas Ca2+-chelating EDTA induces a marked softening of the VLP. These results show that negatively charged polymers such as DNA can be used to generate homogeneous particles, thereby optimizing VLPs as vessels for drug delivery. Moreover, the storage buffer should be chosen such that VP1 interpentamer interactions are preserved.
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Affiliation(s)
| | - Chenglei Li
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, Indiana
| | - Adam Zlotnick
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, Indiana
| | - Gijs J L Wuite
- Natuur- en Sterrenkunde and LaserLaB, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
| | - Wouter H Roos
- Moleculaire Biofysica, Zernike Instituut, Rijksuniversiteit Groningen, Groningen, The Netherlands.
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Zhou Y, Bai Y, Liu H, Jiang X, Tong T, Fang L, Wang D, Ke Q, Liang J, Xiao S. Tellurium/Bovine Serum Albumin Nanocomposites Inducing the Formation of Stress Granules in a Protein Kinase R-Dependent Manner. ACS APPLIED MATERIALS & INTERFACES 2018; 10:25241-25251. [PMID: 29993233 DOI: 10.1021/acsami.8b09402] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The effect of nanoparticles (NPs) on cellular stress responses is important to the understanding of nanotoxicities and developing safe therapies. Although the relationship between NPs and cellular stress responses has been preliminarily investigated, stress responses to NPs remain unclear. Here, tellurium/bovine serum albumin (Te/BSA) nanocomposites were prepared using sodium tellurite, BSA, and glutathione as precursors. The as-prepared Te/BSA nanocomposites, with particle size similar to that of many viruses, are found to induce the formation of stress granules (SGs), a kind of cytoplasmic RNA granule formed under various stresses. The SGs in Te/BSA nanocomposite-treated cells are composed of T-cell internal antigen 1 (TIA1), TIA1-related protein, and eukaryotic initiation factor 3η. Using chemical inhibitors and small interfering RNA-mediated silencing, protein kinase R (PKR) is identified as the α-subunit of eukaryotic initiation factor 2 (eIF2α)-kinase activated upon Te/BSA nanocomposite incubation, which is also the dominant kinase responsible for eIF2α activation under virus infection. Mechanistically, PKR is activated in a heparin-dependent manner. This study reveals a biological effect of Te/BSA nanocomposites on stress responses, providing a preliminary basis for further research on viruslike particles and the application of NPs in biology.
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Petrescu DS, Blum AS. Viral-based nanomaterials for plasmonic and photonic materials and devices. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 10:e1508. [PMID: 29418076 DOI: 10.1002/wnan.1508] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 10/18/2017] [Accepted: 12/19/2017] [Indexed: 11/09/2022]
Abstract
Over the last decade, viruses have established themselves as a powerful tool in nanotechnology. Their proteinaceous capsids benefit from biocompatibility, chemical addressability, and a variety of sizes and geometries, while their ability to encapsulate, scaffold, and self-assemble enables their use for a wide array of purposes. Moreover, the scaling up of viral-based nanotechnologies is facilitated by high capsid production yield and speed, which is particularly advantageous when compared with slower and costlier lithographic techniques. These features enable the bottom-up fabrication of photonic and plasmonic materials, which relies on the precise arrangement of photoactive material at the nanoscale to control phenomena such as electromagnetic wave propagation and energy transfer. The interdisciplinary approach required for the fabrication of such materials combines techniques from the life sciences and device engineering, thus promoting innovative research. Materials with applications spanning the fields of sensing (biological, chemical, and physical sensors), nanomedicine (cellular imaging, drug delivery, phototherapy), energy transfer and conversion (solar cells, light harvesting, photocatalysis), metamaterials (negative refraction, artificial magnetism, near-field amplification), and nanoparticle synthesis are considered with exclusive emphasis on viral capsids and protein cages. This article is categorized under: Biology-Inspired Nanomaterials > Protein and Virus-Based Structures.
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Zhang W, Zhang XE, Li F. Virus-Based Nanoparticles of Simian Virus 40 in the Field of Nanobiotechnology. Biotechnol J 2018; 13:e1700619. [DOI: 10.1002/biot.201700619] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/05/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Wenjing Zhang
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences; Wuhan 430071 China
- University of Chinese Academy of Sciences; Beijing 101407 China
| | - Xian-En Zhang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences; Beijing 100101 China
| | - Feng Li
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences; Wuhan 430071 China
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12
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Zhang W, Xu C, Yin GQ, Zhang XE, Wang Q, Li F. Encapsulation of Inorganic Nanomaterials inside Virus-Based Nanoparticles for Bioimaging. Nanotheranostics 2017; 1:358-368. [PMID: 29071199 PMCID: PMC5646737 DOI: 10.7150/ntno.21384] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 07/23/2017] [Indexed: 01/06/2023] Open
Abstract
Virus-based nanoparticles (VNPs) can serve as containers for inorganic nanomaterials with excellent physical and chemical properties. Incorporation of nanomaterials inside the inner cavity of VNPs has opened up lots of possibilities for imaging applications in the field of biology and medicine. Encapsulation of inorganic nanoparticles (NPs) in VNPs can achieve the labeling of VNPs with nanoprobes and maintain the original outer surface features of VNPs at the same time. In return, VNPs enhance the stability and biocompatibility of the inorganic cargoes. This review briefly summarizes the current typical strategies to encapsulate inorganic nanomaterials in VNPs, i.e. mineralization and self-assembly, as well as the applications of these hybrid nanostructures in the field of bioimaging, including in vitro and in vivo fluorescence imaging, magnetic resonance imaging, and theranostics. Nanophotonic studies based on the VNP platform are also discussed. We anticipate that this field will continue to flourish, with new exciting opportunities stemming from advancements in the rational design of VNPs, the development of excellent inorganic nanomaterials, the integration of multiple functionalities, and the regulation of nano-bio interfacial interactions.
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Affiliation(s)
- Wenjing Zhang
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Chengchen Xu
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, China.,Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China
| | - Gen-Quan Yin
- Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China
| | - Xian-En Zhang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Qiangbin Wang
- CAS Key Laboratory of Nano-Bio Interfaces, Division of Nanobiomedicine and i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Feng Li
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, China
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Wang T, Tang Y, He X, Yan J, Wang C, Feng X. Self-Assembled Raspberry-Like Core/Satellite Nanoparticles for Anti-Inflammatory Protein Delivery. ACS APPLIED MATERIALS & INTERFACES 2017; 9:6902-6907. [PMID: 28155269 DOI: 10.1021/acsami.6b16277] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Functional proteins are very promising for protein therapeutics; however, effective delivery of therapeutic proteins remains challenging. Herein, we developed novel core/satellite nanoparticles by tethering therapeutic proteins to the core/shell polymeric particle surface through cucurbit[8]uril (CB[8])-mediated host-guest interactions. The effectiveness of the core/satellite nanoparticles as protein carrier was demonstrated through the intra-articular delivery of interleukin-1 receptor antagonist (IL-1Ra). We showed that IL-1Ra can effectively self-assemble onto the surface of the polymeric nanoparticles and maintained good protein bioactivity by inhibiting IL-1-mediated signaling. More importantly, in vivo results revealed that IL-1Ra-bounded core/satellite nanoparticles could significantly increase the retention time of IL-1Ra in the rat stifle joint compared to soluble IL-1Ra, which could greatly improve the efficacy of IL-1Ra. These results indicate that the facile host-guest self-assembly can be exploited as an effective approach for realizing the therapeutic potential of proteins.
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Affiliation(s)
- Tingting Wang
- Innovative Drug Research Centre and School of Pharmaceutical Sciences, Chongqing University , Chongqing 401331, China
| | - Yaqin Tang
- Innovative Drug Research Centre and School of Pharmaceutical Sciences, Chongqing University , Chongqing 401331, China
| | - Xiao He
- Innovative Drug Research Centre and School of Pharmaceutical Sciences, Chongqing University , Chongqing 401331, China
| | - Ju Yan
- Innovative Drug Research Centre and School of Pharmaceutical Sciences, Chongqing University , Chongqing 401331, China
| | - Chenhui Wang
- Innovative Drug Research Centre and School of Pharmaceutical Sciences, Chongqing University , Chongqing 401331, China
| | - Xuli Feng
- Innovative Drug Research Centre and School of Pharmaceutical Sciences, Chongqing University , Chongqing 401331, China
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14
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Ray A, Kopelman R, Chon B, Briggman K, Hwang J. Scattering based hyperspectral imaging of plasmonic nanoplate clusters towards biomedical applications. JOURNAL OF BIOPHOTONICS 2016; 9:721-9. [PMID: 26375760 PMCID: PMC5105835 DOI: 10.1002/jbio.201500177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 06/08/2015] [Accepted: 07/22/2015] [Indexed: 06/05/2023]
Abstract
A new optical scattering contrast-agent based on polymer-nanoparticle encapsulated silver nanoplates (PESNs) is presented. Silver nanoplates were chosen due to the flexibility of tuning their plasmon frequencies. The polymer coating preserves their physical and optical properties and confers other advantages such as controlled contrast agent delivery. Finite difference time domain (FDTD) simulations model the interaction of light with the nanoplates in different orientations in the cluster. Hyperspectral dark field microscopy (HYDFM) observes the scattering spectra of the PESNs. An unsupervised sequential maximum angle convex cone (SMACC) image analysis resolves spectral endmembers corresponding to different stacking orientations of the nanoplates. The orientation-dependent endmembers qualitatively agree with the FDTD results. For contrast enhancement, the uptake and spatial distribution of PESNs are demonstrated by an HYDFM study of single melanoma cells to result in an enhanced contrast of up to 400%. A supervised spatial mapping of the endmembers obtained by the unsupervised SMACC algorithm reveals spatial distributions of PESNs with various clustering orientations of encapsulated nanoplates. Our study demonstrates tunability in plasmonics properties in clustered metal nanoparticles and its utility for the development of scatter-based imaging contrast agents for a broad range of applications, including studies of single cells and other biomedical systems.
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Affiliation(s)
- Aniruddha Ray
- Quantum Electronics and Photonics Division, National Institute of Standards and Technology, 325 Broadway, Boulder, CO, 80305, USA
- Department of Chemistry and Biophysics, University of Michigan, 930 N. University Ave, Ann Arbor, MI, 48109, USA
| | - Raoul Kopelman
- Department of Chemistry and Biophysics, University of Michigan, 930 N. University Ave, Ann Arbor, MI, 48109, USA
| | - Bonghwan Chon
- Quantum Electronics and Photonics Division, National Institute of Standards and Technology, 325 Broadway, Boulder, CO, 80305, USA
| | - Kimberly Briggman
- Quantum Electronics and Photonics Division, National Institute of Standards and Technology, 325 Broadway, Boulder, CO, 80305, USA
| | - Jeeseong Hwang
- Quantum Electronics and Photonics Division, National Institute of Standards and Technology, 325 Broadway, Boulder, CO, 80305, USA.
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15
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Höller RPM, Dulle M, Thomä S, Mayer M, Steiner AM, Förster S, Fery A, Kuttner C, Chanana M. Protein-Assisted Assembly of Modular 3D Plasmonic Raspberry-like Core/Satellite Nanoclusters: Correlation of Structure and Optical Properties. ACS NANO 2016; 10:5740-50. [PMID: 26982386 PMCID: PMC4928146 DOI: 10.1021/acsnano.5b07533] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
We present a bottom-up assembly route for a large-scale organization of plasmonic nanoparticles (NPs) into three-dimensional (3D) modular assemblies with core/satellite structure. The protein-assisted assembly of small spherical gold or silver NPs with a hydrophilic protein shell (as satellites) onto larger metal NPs (as cores) offers high modularity in sizes and composition at high satellite coverage (close to the jamming limit). The resulting dispersions of metal/metal nanoclusters exhibit high colloidal stability and therefore allow for high concentrations and a precise characterization of the nanocluster architecture in dispersion by small-angle X-ray scattering (SAXS). Strong near-field coupling between the building blocks results in distinct regimes of dominant satellite-to-satellite and core-to-satellite coupling. High robustness against satellite disorder was proved by UV/vis diffuse reflectance (integrating sphere) measurements. Generalized multiparticle Mie theory (GMMT) simulations were employed to describe the electromagnetic coupling within the nanoclusters. The close correlation of structure and optical property allows for the rational design of core/satellite nanoclusters with tailored plasmonics and well-defined near-field enhancement, with perspectives for applications such as surface-enhanced spectroscopies.
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Affiliation(s)
- Roland P. M. Höller
- Physical Chemistry II, University of Bayreuth, 95440 Bayreuth, Germany
- Leibniz-Institut für Polymerforschung
Dresden e.V., Institute of Physical Chemistry
and Polymer Physics, Hohe Straße 6, 01069 Dresden, Germany
| | - Martin Dulle
- Physical Chemistry
I, University of Bayreuth, 95440 Bayreuth, Germany
| | - Sabrina Thomä
- Physical Chemistry II, University of Bayreuth, 95440 Bayreuth, Germany
| | - Martin Mayer
- Leibniz-Institut für Polymerforschung
Dresden e.V., Institute of Physical Chemistry
and Polymer Physics, Hohe Straße 6, 01069 Dresden, Germany
| | - Anja Maria Steiner
- Leibniz-Institut für Polymerforschung
Dresden e.V., Institute of Physical Chemistry
and Polymer Physics, Hohe Straße 6, 01069 Dresden, Germany
| | - Stephan Förster
- Physical Chemistry
I, University of Bayreuth, 95440 Bayreuth, Germany
| | - Andreas Fery
- Physical Chemistry II, University of Bayreuth, 95440 Bayreuth, Germany
- Leibniz-Institut für Polymerforschung
Dresden e.V., Institute of Physical Chemistry
and Polymer Physics, Hohe Straße 6, 01069 Dresden, Germany
- Physical Chemistry of Polymeric Materials, Technische Universität Dresden, Hohe Straße 6, 01069 Dresden, Germany
- Cluster of Excellence Centre for Advancing Electronics
Dresden (cfaed), Technische Universität
Dresden, 01062 Dresden, Germany
| | - Christian Kuttner
- Physical Chemistry II, University of Bayreuth, 95440 Bayreuth, Germany
- Leibniz-Institut für Polymerforschung
Dresden e.V., Institute of Physical Chemistry
and Polymer Physics, Hohe Straße 6, 01069 Dresden, Germany
- Cluster of Excellence Centre for Advancing Electronics
Dresden (cfaed), Technische Universität
Dresden, 01062 Dresden, Germany
- E-mail:
| | - Munish Chanana
- Physical Chemistry II, University of Bayreuth, 95440 Bayreuth, Germany
- Institute of Building Materials, ETH Zürich, 8093 Zürich, Switzerland
- E-mail:
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16
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Li C, Li F, Zhang Y, Zhang W, Zhang XE, Wang Q. Real-Time Monitoring Surface Chemistry-Dependent In Vivo Behaviors of Protein Nanocages via Encapsulating an NIR-II Ag2S Quantum Dot. ACS NANO 2015; 9:12255-12263. [PMID: 26496067 DOI: 10.1021/acsnano.5b05503] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Protein nanocages (PNCs) have been recognized as a promising platform for nanomedicine innovation. Real-time in vivo tracking of PNCs can provide critically important information for the development of PNC-based diagnostics and therapeutics. Here we demonstrate a general strategy for monitoring the behaviors of PNCs in vivo by encapsulating a Ag2S quantum dot (QD) with fluorescence in the second near-infrared window (NIR-II, 1000-1700 nm) inside the PNC, using simian virus 40 (SV40) PNC (PNCSV40) as a model. Benefiting from the high spatiotemporal resolution and deep tissue penetration of NIR-II fluorescence imaging, the dynamic distribution of the PNCSV40 in living mice was tracked in real time with high fidelity, and adopting the PEGylation strategy, surface chemistry-dependent in vivo behaviors of PNCSV40 were clearly revealed. This study represents the first evidence of real-time tracking of the intrinsic behaviors of PNCs in vivo without interference in PNC-host interactions by encapsulating nanoprobes inside. The as-described imaging strategy will facilitate the study of interactions between exogenously introduced PNCs and host body and prompt the development of future protein-based drugs, sensors, and high-efficacy targeted delivery systems.
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Affiliation(s)
- Chunyan Li
- Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, CAS Center for Excellence in Brain Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences , Suzhou 215123, China
| | - Feng Li
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences , Wuhan 430071, China
| | - Yejun Zhang
- Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, CAS Center for Excellence in Brain Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences , Suzhou 215123, China
| | - Wenjing Zhang
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences , Wuhan 430071, China
| | - Xian-En Zhang
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences , Beijing 100101, China
| | - Qiangbin Wang
- Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, CAS Center for Excellence in Brain Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences , Suzhou 215123, China
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17
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Encapsulation as a Strategy for the Design of Biological Compartmentalization. J Mol Biol 2015; 428:916-27. [PMID: 26403362 DOI: 10.1016/j.jmb.2015.09.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 08/16/2015] [Accepted: 09/03/2015] [Indexed: 02/06/2023]
Abstract
Compartmentalization is one of the defining features of life. Through intracellular spatial control, cells are able to organize and regulate their metabolism. One of the most broadly used organizational principles in nature is encapsulation. Cellular processes can be encapsulated within either membrane-bound organelles or proteinaceous compartments that create distinct microenvironments optimized for a given task. Further challenges addressed through intracellular compartmentalization are toxic or volatile pathway intermediates, slow turnover rates and competing side reactions. This review highlights a selection of naturally occurring membrane- and protein-based encapsulation systems in microbes and their recent applications and emerging opportunities in synthetic biology. We focus on examples that use engineered cellular organization to control metabolic pathway flux for the production of useful compounds and materials.
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18
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Ma L, Li F, Fang T, Zhang J, Wang Q. Controlled Self-Assembly of Proteins into Discrete Nanoarchitectures Templated by Gold Nanoparticles via Monovalent Interfacial Engineering. ACS APPLIED MATERIALS & INTERFACES 2015; 7:11024-11031. [PMID: 25943563 DOI: 10.1021/acsami.5b02823] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Designed rational assembly of proteins promises novel properties and functionalities as well as new insights into the nature of life. De novo design of artificial protein nanostructures has been achieved using protein subunits or peptides as building blocks. However, controlled assembly of protein nanostructures into higher-order discrete nanoarchitectures, rather than infinite arrays or aggregates, remains a challenge due to the complex or symmetric surface chemistry of protein nanostructures. Here we develop a facile strategy to control the hierarchical assembly of protein nanocages into discrete nanoarchitectures with gold nanoparticles (AuNPs) as scaffolds via rationally designing their interfacial interaction. The protein nanocage is monofunctionalized with a polyhistidine tag (Histag) on the external surface through a mixed assembly strategy, while AuNPs are modified with Ni(2+)-NTA chelates, so that the protein nanocage can controllably assemble onto the AuNPs via the Histag-Ni(2+) affinity. Discrete protein nanoarchitectures with tunable composition can be generated by stoichiometric control over the ratio of protein nanocage to AuNP or change of AuNP size. The methodology described here is extendable to other protein nanostructures and chemically synthesized nanomaterials, and can be borrowed by synthetic biology for biomacromolecule manipulation.
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Affiliation(s)
- Lingzhi Ma
- †Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, CAS Center for Excellence in Brain Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, 398 Ruoshui Road, Suzhou 215123, P. R. China
| | - Feng Li
- ‡State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, No. 44, Xiaohongshan, Wuhan 430071, P. R. China
| | - Ti Fang
- ‡State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, No. 44, Xiaohongshan, Wuhan 430071, P. R. China
| | - Jianting Zhang
- †Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, CAS Center for Excellence in Brain Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, 398 Ruoshui Road, Suzhou 215123, P. R. China
| | - Qiangbin Wang
- †Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, CAS Center for Excellence in Brain Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, 398 Ruoshui Road, Suzhou 215123, P. R. China
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19
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Ray A, Mukundan A, Xie Z, Karamchand L, Wang X, Kopelman R. Highly stable polymer coated nano-clustered silver plates: a multimodal optical contrast agent for biomedical imaging. NANOTECHNOLOGY 2014; 25:445104. [PMID: 25325364 PMCID: PMC4244271 DOI: 10.1088/0957-4484/25/44/445104] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Here, we present a new optical contrast agent based on silver nanoplate clusters embedded inside of a polymer nano matrix. Unlike nanosphere clusters, which have been well studied, nanoplate clusters have unique properties due to the different possible orientations of interaction between the individual plates, resulting in a significant broadening of the absorption spectra. These nanoclusters were immobilized inside of a polymer cladding so as to maintain their stability and optical properties under in vivo conditions. The polymer-coated silver nanoplate clusters show a lower toxicity compared to the uncoated nanoparticles. At high nanoparticle concentrations, cell death occurs mostly due to apoptosis. These nanoparticles were used for targeted fluorescence imaging in a rat glioma cell line by incorporating a fluorescent dye into the matrix, followed by conjugation of a tumor targeting an F3 peptide. We further used these nanoparticles as photoacoustic contrast agents in vivo to enhance the contrast of the vasculature structures in a rat ear model. We observed a contrast enhancement of over 90% following the nanoparticle injection. It is also shown that these NPs can serve as efficient contrast agents, with specific targeting abilities for broadband multimodal imaging that are usable for diagnostic applications and that extend into use as therapeutic agents as well.
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Affiliation(s)
- Aniruddha Ray
- Department of Chemistry and BioPhysics, University of Michigan, Ann Arbor
| | - Ananya Mukundan
- Department of Chemistry and BioPhysics, University of Michigan, Ann Arbor
| | - Zhixing Xie
- Department of Radiology, University of Michigan Medical School, Ann Arbor
| | - Leshern Karamchand
- Department of Chemistry and BioPhysics, University of Michigan, Ann Arbor
| | - Xueding Wang
- Department of Radiology, University of Michigan Medical School, Ann Arbor
| | - Raoul Kopelman
- Department of Chemistry and BioPhysics, University of Michigan, Ann Arbor
- Corresponding author,
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20
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Fontana J, Dressick WJ, Phelps J, Johnson JE, Rendell RW, Sampson T, Ratna BR, Soto CM. Virus-templated plasmonic nanoclusters with icosahedral symmetry via directed self-assembly. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:3058-63. [PMID: 24733721 PMCID: PMC4283761 DOI: 10.1002/smll.201400470] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 03/19/2014] [Indexed: 05/18/2023]
Abstract
The assembly of plasmonic nanoparticles with precise spatial and orientational order may lead to structures with new electromagnetic properties at optical frequencies. The directed self-assembly method presented controls the interparticle-spacing and symmetry of the resulting nanometer-sized elements in solution. The self-assembly of three-dimensional (3D), icosahedral plasmonic nanosclusters (NCs) with resonances at visible wavelengths is demonstrated experimentally. The ideal NCs consist of twelve gold (Au) nanospheres (NSs) attached to thiol groups at predefined locations on the surface of a genetically engineered cowpea mosaic virus with icosahedral symmetry. In situ dynamic light scattering (DLS) measurements confirm the NSs assembly on the virus. Transmission electron micrographs (TEM) demonstrate the ability of the self-assembly method to control the nanoscopic symmetry of the bound NSs, which reflects the icosahedral symmetry of the virus. Both, TEM and DLS show that the NCs comprise of a distribution of capsids mostly covered (i.e., 6-12 NS/capsid) with NSs. 3D finite-element simulations of aqueous suspensions of NCs reproduce the experimental bulk absorbance measurements and major features of the spectra. Simulations results show that the fully assembled NCs give rise to a 10-fold surface-averaged enhancement of the local electromagnetic field.
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Affiliation(s)
- Jake Fontana
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory4555 Overlook Ave., SW, Code 6900, Washington, DC, 20375, USA
| | - Walter J Dressick
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory4555 Overlook Ave., SW, Code 6900, Washington, DC, 20375, USA
| | - Jamie Phelps
- Department of Molecular Biology, The Scripps Research Institute10550 N. Torrey Pines Road La Jolla, California, 92037, USA
| | - John E Johnson
- Department of Molecular Biology, The Scripps Research Institute10550 N. Torrey Pines Road La Jolla, California, 92037, USA
| | - Ronald W Rendell
- Electronics Science and Technology Division, Naval Research LaboratoryCode 6877 4555 Overlook Ave., SW, Washington, DC, 20375, USA
| | - Travian Sampson
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory4555 Overlook Ave., SW, Code 6900, Washington, DC, 20375, USA
| | - Banahalli R Ratna
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory4555 Overlook Ave., SW, Code 6900, Washington, DC, 20375, USA
| | - Carissa M Soto
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory4555 Overlook Ave., SW, Code 6900, Washington, DC, 20375, USA
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21
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Li F, Chen H, Ma L, Zhou K, Zhang ZP, Meng C, Zhang XE, Wang Q. Insights into stabilization of a viral protein cage in templating complex nanoarchitectures: roles of disulfide bonds. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:536-543. [PMID: 24014233 DOI: 10.1002/smll.201300860] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 07/28/2013] [Indexed: 06/02/2023]
Abstract
As a typical protein nanostructure, virus-based nanoparticle (VNP) of simian virus 40 (SV40), which is composed of pentamers of the major capsid protein of SV40 (VP1), has been successfully employed in guiding the assembly of different nanoparticles (NPs) into predesigned nanostructures with considerable stability. However, the stabilization mechanism of SV40 VNP remains unclear. Here, the importance of inter-pentamer disulfide bonds between cysteines in the stabilization of quantum dot (QD)-containing VNPs (VNP-QDs) is comprehensively investigated by constructing a series of VP1 mutants of cysteine to serine. Although the presence of a QD core can greatly enhance the assembly and stability of SV40 VNPs, disulfide bonds are vital to stability of VNP-QDs. Cysteine at position 9 (C9) and C104 contribute most of the disulfide bonds and play essential roles in determining the stability of SV40 VNPs as templates to guide assembly of complex nanoarchitectures. These results provide insightful clues to understanding the robustness of SV40 VNPs in organizing suprastructures of inorganic NPs. It is expected that these findings will help guide the future design and construction of protein-based functional nanostructures.
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Affiliation(s)
- Feng Li
- Suzhou Key Laboratory of Nanomedical Characterization, Division of Nanobiomedicine and i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
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22
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Li F, Wang Q. Fabrication of nanoarchitectures templated by virus-based nanoparticles: strategies and applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:230-245. [PMID: 23996911 DOI: 10.1002/smll.201301393] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 07/05/2013] [Indexed: 06/02/2023]
Abstract
Biomolecular nanostructures in nature are drawing increasing interests in the field of materials sciences. As a typical group of them, virus-based nanoparticles (VNPs), which are nanocages or nanorods assembled from capsid proteins of viruses, have been widely exploited as templates to guide the fabrication of complex nanoarchitectures (NAs), because of their appropriate sizes (ca. 20-200 nm), homogeneity, addressable functionalization, facile modification via chemical and genetic routes, and convenient preparation. Foreign materials can be positioned in the inner cavity or on the outer surface of VNPs, through either direct synthesis or assembling preformed nanomaterials. Simultaneous use of the inner and outer space of VNPs facilitates integration of multiple functionalities in a single NA. This review briefly summarizes the strategies for fabrication of NAs templated by VNPs and wide applications of these NAs in fields of catalysis, energy, biomedicine, and nanophotonics, etc.
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Affiliation(s)
- Feng Li
- Suzhou Key Laboratory of Nanobiomedical Characterization, Division of Nanobiomedicine and i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
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23
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Zhou Z, Bedwell GJ, Li R, Prevelige PE, Gupta A. Formation mechanism of chalcogenide nanocrystals confined inside genetically engineered virus-like particles. Sci Rep 2014; 4:3832. [PMID: 24452221 PMCID: PMC3899596 DOI: 10.1038/srep03832] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Accepted: 12/27/2013] [Indexed: 01/01/2023] Open
Abstract
Engineered virus-like particles (VLP) are attractive for fabricating nanostructured materials for applications in diverse areas such as catalysis, drug delivery, biomedicine, composites, etc. Basic understanding of the interaction between the inorganic guest and biomolecular host is thus important for the controlled synthesis of inorganic nanoparticles inside VLP and rational assembly of ordered VLP-based hierarchical nanostructures. We have investigated in detail the formation mechanism and growth kinetics of semiconducting nanocrystals confined inside genetically engineered bacteriophage P22 VLP using semiconducting CdS as a prototypical example. The selective nucleation and growth of CdS at the engineered sites is found to be uniform during the early stage, followed by a more stochastic growth process. Furthermore, kinetic studies reveal that the presence of an engineered biotemplate helps in significantly retarding the reaction rate. These findings provide guidance for the controlled synthesis of a wide range of other inorganic materials confined inside VLP, and are of practical importance for the rational design of VLP-based hierarchical nanostuctures.
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Affiliation(s)
- Ziyou Zhou
- 1] Center for Materials for Information Technology, University of Alabama, Tuscaloosa, Alabama 35487, United States [2] Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Gregory J Bedwell
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Rui Li
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Peter E Prevelige
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Arunava Gupta
- 1] Center for Materials for Information Technology, University of Alabama, Tuscaloosa, Alabama 35487, United States [2] Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama 35487, United States
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24
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Lin M, Huang H, Liu Z, Liu Y, Ge J, Fang Y. Growth-dissolution-regrowth transitions of Fe3O4 nanoparticles as building blocks for 3D magnetic nanoparticle clusters under hydrothermal conditions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:15433-41. [PMID: 24256401 DOI: 10.1021/la403577y] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Magnetic nanoparticle clusters (MNCs) are a class of secondary structural materials that comprise chemically defined nanoparticles assembled into clusters of defined size. Herein, MNCs are fabricated through a one-pot solvothermal reaction featuring self-limiting assembly of building blocks and the controlled reorganization process. Such growth-dissolution-regrowth fabrication mechanism overcomes some limitations of conventional solvothermal fabrication methods with regard to restricted available feature size and structural complexity, which can be extended to other oxides (as long as one can be chelated by EDTA-2Na). Based on this method, the nanoparticle size of MNCs is tuned between 6.8 and 31.2 nm at a fixed cluster diameter of 120 nm, wherein the critical size for superparamagnetic-ferromagnetic transition is estimated from 13.5 to 15.7 nm. Control over the nature and secondary structure of MNCs gives an excellent model system to understand the nanoparticle size-dependent magnetic properties of MNCs. MNCs have potential applications in many different areas, while this work evaluates their cytotoxicity and Pb(2+) adsorption capacity as initial application study.
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Affiliation(s)
- Mouhong Lin
- Institute of Biomaterials, College of Sciences, South China Agricultural University , Guangzhou 510642, P. R. China
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25
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Bolisetty S, Vallooran JJ, Adamcik J, Mezzenga R. Magnetic-responsive hybrids of Fe3O4 nanoparticles with β-lactoglobulin amyloid fibrils and nanoclusters. ACS NANO 2013; 7:6146-6155. [PMID: 23750744 DOI: 10.1021/nn401988m] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
We report on the synthesis and magnetic-responsive behavior of hybrids formed by dispersing negatively charged iron oxide (Fe3O4) magnetic nanoparticles in positively charged β-lactoglobulin protein solutions at acidic pH, followed by heating at high temperatures. Depending on the pH used, different hybrid aggregates can be obtained, such as nanoparticle-modified amyloid fibrils (pH 3) and spherical nanoclusters (pH 4.5). We investigate the effect of magnetic fields of varying strengths (0-5 T) on the alignment of these Fe3O4-modified amyloid fibrils and spherical nanoclusters using a combination of scattering, birefringence and microscopic techniques and we find a strong alignment of the hybrids upon increasing the intensity of the magnetic field, which we quantify via 2D and 3D order parameters. We also demonstrate the possibility of controlling magnetically the sol-gel behavior of these hybrids: addition of salt (NaCl, 150 mM) to a solution containing nanoparticles modified with β-lactoglobulin amyloid fibrils (2 wt % fibrils modified with 0.6 wt % Fe3O4 nanoparticles) induces first the formation of a reversible gel, which can then be converted back to solution upon application of a moderate magnetic field of 1.1 T. These hybrids offer a new appealing functional colloidal system in which the aggregation, orientational order and rheological behavior can be efficiently controlled in a purely noninvasive way by external magnetic fields of weak intensity.
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Affiliation(s)
- Sreenath Bolisetty
- Department of Health Science and Technology, Food and Soft Materials Laboratory, ETH Zurich, Schmelzbergstrasse 9, LFO-E22, CH-8092 Zurich, Switzerland
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26
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Gao D, Zhang ZP, Li F, Men D, Deng JY, Wei HP, Zhang XE, Cui ZQ. Quantum dot-induced viral capsid assembling in dissociation buffer. Int J Nanomedicine 2013; 8:2119-28. [PMID: 23776332 PMCID: PMC3681329 DOI: 10.2147/ijn.s44534] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Viruses encapsulating inorganic nanoparticles are a novel type of nanostructure with applications in biomedicine and biosensors. However, the encapsulation and assembly mechanisms of these hybridized virus-based nanoparticles (VNPs) are still unknown. In this article, it was found that quantum dots (QDs) can induce simian virus 40 (SV40) capsid assembly in dissociation buffer, where viral capsids should be disassembled. The analysis of the transmission electron microscope, dynamic light scattering, sucrose density gradient centrifugation, and cryo-electron microscopy single particle reconstruction experimental results showed that the SV40 major capsid protein 1 (VP1) can be assembled into ≈25 nm capsids in the dissociation buffer when QDs are present and that the QDs are encapsulated in the SV40 capsids. Moreover, it was determined that there is a strong affinity between QDs and the SV40 VP1 proteins (KD = 2.19E-10 M), which should play an important role in QD encapsulation in the SV40 viral capsids. This study provides a new understanding of the assembly mechanism of SV40 virus-based nanoparticles with QDs, which may help in the design and construction of other similar virus-based nanoparticles.
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Affiliation(s)
- Ding Gao
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
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Zhang Y, Ke X, Zheng Z, Zhang C, Zhang Z, Zhang F, Hu Q, He Z, Wang H. Encapsulating quantum dots into enveloped virus in living cells for tracking virus infection. ACS NANO 2013; 7:3896-3904. [PMID: 23560365 DOI: 10.1021/nn305189n] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Utilization of quantum dots (QDs) for single virus tracking has attracted growing interest. Through modification of viral surface proteins, viruses can be labeled with various functionalized QDs and used for tracking the routes of viral infections. However, incorporation of QDs on the viral surface may affect the efficiency of viral entry and alter virus-cell interactions. Here, we describe that QDs can be encapsulated into the capsid of vesicular stomatitis virus glycoprotein (VSV-G) pseudotyped lentivirus (PTLV) in living cells without modification of the viral surface. QDs conjugated with modified genomic RNAs (gRNAs), which contain a packaging signal (Psi) sequence for viral genome encapsulation, can be packaged into virions together with the gRNAs. QD-containing PTLV demonstrated similar entry efficiency as the wild-type PTLV. After infection, QD signals entered the Rab5+ endosome and then moved to the microtubule organizing center of the infected cells in a microtubule-dependent manner. Findings in this study are consistent with previously reported infection routes of VSV and VSV-G pseudotyped lentivirus, indicating that our established QD packaging approach can be used for enveloped virus labeling and tracking.
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Affiliation(s)
- Yuan Zhang
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China
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