1
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Kalnins G, Bertins M, Viksna A, Tars K. Functionalization of bacterial microcompartment shell interior with cysteine containing peptides enhances the iron and cobalt loading capacity. Biometals 2024; 37:267-274. [PMID: 37728832 DOI: 10.1007/s10534-023-00538-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 09/11/2023] [Indexed: 09/21/2023]
Abstract
Bacterial microcompartments (BMCs) are prokaryotic organelles involved in several biochemical processes in bacterial cells. These cellular substructures consist of an icosahedral shell and an encapsulated enzymatic core. The outer shells of BMCs have been proposed as an attractive platform for the creation of novel nanomaterials, nanocages, and nanoreactors. In this study, we present a method for functionalizing recombinant GRM2-type BMC shell lumens with short cysteine-containing sequences and demonstrate that the iron and cobalt loading capacity of such modified shells is markedly increased. These results also imply that a passive flow of cobalt and iron atoms across the BMC shell could be possible.
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Affiliation(s)
- Gints Kalnins
- Latvian Biomedical Research and Study Centre, Ratsupites street 1, Riga, 1067, Latvia.
| | - Maris Bertins
- University of Latvia, Jelgavas street 1, Riga, 1004, Latvia
| | - Arturs Viksna
- University of Latvia, Jelgavas street 1, Riga, 1004, Latvia
| | - Kaspars Tars
- Latvian Biomedical Research and Study Centre, Ratsupites street 1, Riga, 1067, Latvia
- University of Latvia, Jelgavas street 1, Riga, 1004, Latvia
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2
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Wang C, Liu Q, Huang X, Zhuang J. Ferritin nanocages: a versatile platform for nanozyme design. J Mater Chem B 2023; 11:4153-4170. [PMID: 37158014 DOI: 10.1039/d3tb00192j] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Nanozymes are a class of nanomaterials with enzyme-like activities and have attracted increasing attention due to their potential applications in biomedicine. However, nanozyme design incorporating the desired properties remains challenging. Natural or genetically engineered protein scaffolds, such as ferritin nanocages, have emerged as a promising platform for nanozyme design due to their unique protein structure, natural biomineralization capacity, self-assembly properties, and high biocompatibility. In this review, we highlight the intrinsic properties of ferritin nanocages, especially for nanozyme design. We also discuss the advantages of genetically engineered ferritin in the versatile design of nanozymes over natural ferritin. Additionally, we summarize the bioapplications of ferritin-based nanozymes based on their enzyme-mimicking activities. In this perspective, we mainly provide potential insights into the utilization of ferritin nanocages for nanozyme design.
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Affiliation(s)
- Chunyu Wang
- School of Medicine, Nankai University, Tianjin 300071, China.
- Key Laboratory of Bioactive Materials for the Ministry of Education, College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, and Frontiers Science Center for Cell Responses, Nankai University, Tianjin 300071, China.
| | - Qiqi Liu
- Key Laboratory of Bioactive Materials for the Ministry of Education, College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, and Frontiers Science Center for Cell Responses, Nankai University, Tianjin 300071, China.
| | - Xinglu Huang
- Key Laboratory of Bioactive Materials for the Ministry of Education, College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, and Frontiers Science Center for Cell Responses, Nankai University, Tianjin 300071, China.
| | - Jie Zhuang
- School of Medicine, Nankai University, Tianjin 300071, China.
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3
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Mohanty A, Parida A, Raut RK, Behera RK. Ferritin: A Promising Nanoreactor and Nanocarrier for Bionanotechnology. ACS BIO & MED CHEM AU 2022; 2:258-281. [PMID: 37101573 PMCID: PMC10114856 DOI: 10.1021/acsbiomedchemau.2c00003] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
The essence of bionanotechnology lies in the application of nanotechnology/nanomaterials to solve the biological problems. Quantum dots and nanoparticles hold potential biomedical applications, but their inherent problems such as low solubility and associated toxicity due to their interactions at nonspecific target sites is a major concern. The self-assembled, thermostable, ferritin protein nanocages possessing natural iron scavenging ability have emerged as a potential solution to all the above-mentioned problems by acting as nanoreactor and nanocarrier. Ferritins, the cellular iron repositories, are hollow, spherical, symmetric multimeric protein nanocages, which sequester the excess of free Fe(II) and synthesize iron biominerals (Fe2O3·H2O) inside their ∼5-8 nm central cavity. The electrostatics and dynamics of the pore residues not only drives the natural substrate Fe2+ inside ferritin nanocages but also uptakes a set of other metals ions/counterions during in vitro synthesis of nanomaterial. The current review aims to report the recent developments/understanding on ferritin structure (self-assembly, surface/pores electrostatics, metal ion binding sites) and chemistry occurring inside these supramolecular protein cages (protein mediated metal ion uptake and mineralization/nanoparticle formation) along with its surface modification to exploit them for various nanobiotechnological applications. Furthermore, a better understanding of ferritin self-assembly would be highly useful for optimizing the incorporation of nanomaterials via the disassembly/reassembly approach. Several studies have reported the successful engineering of these ferritin protein nanocages in order to utilize them as potential nanoreactor for synthesizing/incorporating nanoparticles and as nanocarrier for delivering imaging agents/drugs at cell specific target sites. Therefore, the combination of nanoscience (nanomaterials) and bioscience (ferritin protein) projects several benefits for various applications ranging from electronics to medicine.
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4
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Edwardson TGW, Levasseur MD, Tetter S, Steinauer A, Hori M, Hilvert D. Protein Cages: From Fundamentals to Advanced Applications. Chem Rev 2022; 122:9145-9197. [PMID: 35394752 DOI: 10.1021/acs.chemrev.1c00877] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Proteins that self-assemble into polyhedral shell-like structures are useful molecular containers both in nature and in the laboratory. Here we review efforts to repurpose diverse protein cages, including viral capsids, ferritins, bacterial microcompartments, and designed capsules, as vaccines, drug delivery vehicles, targeted imaging agents, nanoreactors, templates for controlled materials synthesis, building blocks for higher-order architectures, and more. A deep understanding of the principles underlying the construction, function, and evolution of natural systems has been key to tailoring selective cargo encapsulation and interactions with both biological systems and synthetic materials through protein engineering and directed evolution. The ability to adapt and design increasingly sophisticated capsid structures and functions stands to benefit the fields of catalysis, materials science, and medicine.
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Affiliation(s)
| | | | - Stephan Tetter
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Angela Steinauer
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Mao Hori
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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5
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Li Y, Bao Q, Yang S, Yang M, Mao C. Bionanoparticles in cancer imaging, diagnosis, and treatment. VIEW 2022. [DOI: 10.1002/viw.20200027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Yan Li
- Institute of Applied Bioresource Research College of Animal Science Zhejiang University Hangzhou Zhejiang China
| | - Qing Bao
- School of Materials Science and Engineering Zhejiang University Hangzhou Zhejiang China
| | - Shuxu Yang
- Department of Neurosurgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Mingying Yang
- Institute of Applied Bioresource Research College of Animal Science Zhejiang University Hangzhou Zhejiang China
| | - Chuanbin Mao
- School of Materials Science and Engineering Zhejiang University Hangzhou Zhejiang China
- Department of Chemistry and Biochemistry Stephenson Life Science Research Center University of Oklahoma Norman Oklahoma USA
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6
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Shende P, Rodrigues B, Govardhane S. Diversified applications of self-assembled nanocluster delivery systems- A state-of-the- art review. Curr Pharm Des 2022; 28:1870-1884. [PMID: 35232345 DOI: 10.2174/1381612828666220301125944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/29/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Self-assembled nanoclusters arrange the components into an organized structure for the nanoparticulate system and also in the transportation of cellular elements for the fabrication of microelectronic devices. Nanoclusters reduce transcytosis and increase endocytosis in intestinal mucin to strengthen the retrograde pathway that helped in the delivery of actives to the Golgi apparatus. OBJECTIVES This review article focuses on the self-assembled nanoclusters for cellular transportation, applications of self-assembled structures in the delivery of essential elements like the use of a peptide in targeted and stimuli-responsive drug delivery systems, self-assembly of tocopherol nanoclusters that promotes vitamin E delivery across the endothelial barrier. Methods Current innovation in the self-assembly of peptides includes the formation of nanostructures like vesicles, fibers, and rod-coil in the applications of wound healing, tissue engineering, treatment of atherosclerosis, in sensing heavy metals from biological and environmental samples and advanced drug delivery. RESULTS Self-assembled biodegradable nanoclusters are used as biomimetic structures for synergistic effect. Improvement in the methods of preparation like the addition of a copolymer is used for temperature-triggered drug release nanoclusters. CONCLUSION Green synthesis of nanoclusters, nanocluster-based biosensor and artificial intelligence are the future concept in the manufacturing and the prevention of toxicity in humans.
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Affiliation(s)
- Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Bernice Rodrigues
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Sharayu Govardhane
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
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7
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8
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Yamanaka M, Mashima T, Ogihara M, Okamoto M, Uchihashi T, Hirota S. Construction of ferritin hydrogels utilizing subunit-subunit interactions. PLoS One 2021; 16:e0259052. [PMID: 34731167 PMCID: PMC8565734 DOI: 10.1371/journal.pone.0259052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 10/11/2021] [Indexed: 11/21/2022] Open
Abstract
Various proteins form nanostructures exhibiting unique functions, making them attractive as next-generation materials. Ferritin is a hollow spherical protein that incorporates iron ions. Here, we found that hydrogels are simply formed from concentrated apoferritin solutions by acid denaturation and subsequent neutralization. The water content of the hydrogel was approximately 80%. The apoferritin hydrogel did not decompose in the presence of 1 M HCl, 2-mercaptoethanol, or methanol but was dissolved in the presence of 1 M NaOH, by heating at 80°C, or by treatment with trypsin or 6 M guanidine hydrochloride. The Young’s modulus of the hydrogel was 20.4 ± 12.1 kPa according to local indentation experimentes using atomic force microscopy, indicating that the hydrogel was relatively stiff. Transition electron microscopy measurements revealed that a fibrous network was constructed in the hydrogel. The color of the hydrogel became yellow-brown upon incubation in the presence of Fe3+ ions, indicating that the hydrogel adsorbed the Fe3+ ions. The yellow-brown color of the Fe3+-adsorbed hydrogel did not change upon incubation in pure water, whereas it became pale by incubating it in the presence of 100 mM ethylenediaminetetraacetic acid (EDTA). The apoferritin hydrogel also adsorbed Co2+ and Cu2+ ions and released them in the presence of EDTA, while it adsorbed less Ni2+ ions; more Fe3+ ions adsorbed to the apoferritin hydrogel than other metal ions, indicating that the hydrogel keeps the iron storage characteristic of ferritin. These results demonstrate a new property of ferritin: the ability to form a hydrogel that can adsorb/desorb metal ions, which may be useful in designing future biomaterials.
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Affiliation(s)
- Masaru Yamanaka
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Tsuyoshi Mashima
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Michio Ogihara
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Mei Okamoto
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | | | - Shun Hirota
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
- * E-mail:
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9
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Chugh G, Singh BR, Adholeya A, Barrow CJ. Role of proteins in the biosynthesis and functioning of metallic nanoparticles. Crit Rev Biotechnol 2021; 42:1045-1060. [PMID: 34719294 DOI: 10.1080/07388551.2021.1985957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Proteins are known to play important roles in the biosynthesis of metallic nanoparticles (NPs), which are biological substitutes for conventionally used chemical capping and stabilizing agents. When a pristine nanoparticle comes in contact with a biological media or system, a bimolecular layer is formed on the surface of the nanoparticle and is primarily composed of proteins. The role of proteins in the biosynthesis and further uptake, translocation, and bio-recognition of nanoparticles is documented in the literature. But, a complete understanding has not been achieved concerning the mechanism for protein-mediated nanoparticle biosynthesis and the role proteins play in the interaction and recognition of nanoparticles, aiding its uptake and assimilation into the biological system. This review critically evaluates the knowledge and gaps in the protein-mediated biosynthesis of nanoparticles. In particular, we review the role of proteins in multiple facets of metallic nanoparticle biosynthesis, the interaction of proteins with metallic nanoparticles for recognition and interaction with cells, and the toxic potential of protein-nanoparticle complexes when presented to the cell.
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Affiliation(s)
- Gaurav Chugh
- Discipline of Microbiology, School of Natural Sciences, and The Ryan Institute, National University of Ireland Galway, Galway, Ireland.,TERI-Deakin Nanobiotechnology Centre, The Energy and Resources Institute, Haryana, India.,Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
| | - Braj Raj Singh
- TERI-Deakin Nanobiotechnology Centre, The Energy and Resources Institute, Haryana, India
| | - Alok Adholeya
- TERI-Deakin Nanobiotechnology Centre, The Energy and Resources Institute, Haryana, India
| | - Colin J Barrow
- Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
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10
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Zhang J, Cheng D, He J, Hong J, Yuan C, Liang M. Cargo loading within ferritin nanocages in preparation for tumor-targeted delivery. Nat Protoc 2021; 16:4878-4896. [PMID: 34497386 DOI: 10.1038/s41596-021-00602-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 07/05/2021] [Indexed: 02/06/2023]
Abstract
Ferritins are spherical iron storage proteins within cells, composed of 24 subunits of two types, heavy-chain ferritin (HFn) and light-chain ferritin. Ferritins auto-assemble naturally into hollow nanocages with an outer diameter of 12 nm and an interior cavity 8 nm in diameter. Since the intrinsic tumor-targeting property of human HFn was first reported in 2012, HFn has been extensively explored for tumor-targeted delivery of anticancer drugs and diagnostic molecules, including radioisotopes and fluorophores, as well as inorganic nanoparticles (NPs) and chemotherapeutic drugs. This protocol provides four detailed procedures describing how to load four types of cargoes within HFn nanocages that are capable of accurately controlling cargo loading: synthesis of inorganic metal nanoparticles within the cavity of a wild-type human HFn nanocage (Procedure 1, requires ~5 h); loading of doxorubicin into the cavity of a wild-type human HFn nanocage (Procedure 2, requires ~3 d); loading Gd3+ into the cavity of a genetically engineered human HFn nanocage (Procedure 3, requires ~20 h); and loading 64Cu2+ radioisotope into the cavity of a genetically engineered human HFn nanocage (Procedure 4, requires ~3 h). Subsequent use of these HFn-based formulations is advantageous as they have intrinsic tumor-targeting capability and lack immunogenicity. Human HFn generated as described in this protocol can therefore be used to deliver therapeutic drugs and diagnostic signals as multifunctional nanomedicines.
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Affiliation(s)
- Jianlin Zhang
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China
| | - Dengfeng Cheng
- Department of Nuclear Medicine, Zhongshan Hospital, Fudan University/Shanghai Institute of Medical Imaging, Shanghai, China
| | - Jiuyang He
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Juanji Hong
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China
| | - Chang Yuan
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China
| | - Minmin Liang
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China.
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11
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Gracioso LH, Peña-Bahamonde J, Karolski B, Borrego BB, Perpetuo EA, do Nascimento CAO, Hashiguchi H, Juliano MA, Robles Hernandez FC, Rodrigues DF. Copper mining bacteria: Converting toxic copper ions into a stable single-atom copper. SCIENCE ADVANCES 2021; 7:7/17/eabd9210. [PMID: 33893098 PMCID: PMC8064636 DOI: 10.1126/sciadv.abd9210] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
The chemical synthesis of monoatomic metallic copper is unfavorable and requires inert or reductive conditions and the use of toxic reagents. Here, we report the environmental extraction and conversion of CuSO4 ions into single-atom zero-valent copper (Cu0) by a copper-resistant bacterium isolated from a copper mine in Brazil. Furthermore, the biosynthetic mechanism of Cu0 production is proposed via proteomics analysis. This microbial conversion is carried out naturally under aerobic conditions eliminating toxic solvents. One of the most advanced commercially available transmission electron microscopy systems on the market (NeoArm) was used to demonstrate the abundant intracellular synthesis of single-atom zero-valent copper by this bacterium. This finding shows that microbes in acid mine drainages can naturally extract metal ions, such as copper, and transform them into a valuable commodity.
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Affiliation(s)
- Louise Hase Gracioso
- Environmental Research and Education Center, University of São Paulo, CEPEMA-POLI-USP, Cônego Domênico Rangoni Rd., 270 km, Cubatão-SP, Brazil
- The Interunits Graduate Program in Biotechnology, University of São Paulo, Lineu Prestes Ave., 2415. São Paulo-SP, Brazil
| | - Janire Peña-Bahamonde
- Department of Civil and Environmental Engineering, University of Houston, Houston, TX, USA
| | - Bruno Karolski
- Environmental Research and Education Center, University of São Paulo, CEPEMA-POLI-USP, Cônego Domênico Rangoni Rd., 270 km, Cubatão-SP, Brazil
| | - Bruna Bacaro Borrego
- Environmental Research and Education Center, University of São Paulo, CEPEMA-POLI-USP, Cônego Domênico Rangoni Rd., 270 km, Cubatão-SP, Brazil
- The Interunits Graduate Program in Biotechnology, University of São Paulo, Lineu Prestes Ave., 2415. São Paulo-SP, Brazil
| | - Elen Aquino Perpetuo
- Environmental Research and Education Center, University of São Paulo, CEPEMA-POLI-USP, Cônego Domênico Rangoni Rd., 270 km, Cubatão-SP, Brazil.
- Institute of Marine Sciences, Federal University of São Paulo, Imar-Unifesp, Carvalho de Mendonça Ave., 144, Santos, São Paulo, Brazil
| | | | | | | | - Francisco C Robles Hernandez
- Mechanical Engineering Technology, Advanced Manufacturing Institute, Materials Science and Engineering, University of Houston, Houston, TX, USA.
| | - Debora Frigi Rodrigues
- Department of Civil and Environmental Engineering, University of Houston, Houston, TX, USA.
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12
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Jiang B, Fang L, Wu K, Yan X, Fan K. Ferritins as natural and artificial nanozymes for theranostics. Am J Cancer Res 2020; 10:687-706. [PMID: 31903145 PMCID: PMC6929972 DOI: 10.7150/thno.39827] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 09/23/2019] [Indexed: 01/05/2023] Open
Abstract
Nanozymes are a class of nanomaterials with intrinsic enzyme-like characteristics which overcome the limitations of natural enzymes such as high cost, low stability and difficulty to large scale preparation. Nanozymes combine the advantages of chemical catalysts and natural enzymes together, and have exhibited great potential in biomedical applications. However, the size controllable synthesis and targeting modifications of nanozymes are still challenging. Here, we introduce ferritin nanozymes to solve these problems. Ferritins are natural nanozymes which exhibit intrinsic enzyme-like activities (e.g. ferroxidase, peroxidase). In addition, by biomimetically synthesizing nanozymes inside the ferritin protein shells, artificial ferritin nanozymes are introduced, which possess the advantages of versatile self-assembly ferritin nanocage and enzymatic activity of nanozymes. Ferritin nanozymes provide a new horizon for the development of nanozyme in disease targeted theranostics research. The emergence of ferritin nanozyme also inspires us to learn from the natural nanostructures to optimize or rationally design nanozymes. In this review, the intrinsic enzyme-like activities of ferritin and bioengineered synthesis of ferritin nanozyme were summarized. After that, the applications of ferritin nanozymes were covered. Finally, the advantages, challenges and future research directions of advanced ferritin nanozymes for biomedical research were discussed.
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13
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Bjørklund G, Chartrand MS, Aaseth J. Manganese exposure and neurotoxic effects in children. ENVIRONMENTAL RESEARCH 2017; 155:380-384. [PMID: 28282629 DOI: 10.1016/j.envres.2017.03.003] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 02/27/2017] [Accepted: 03/01/2017] [Indexed: 05/18/2023]
Abstract
Manganese (Mn) is the fifth most abundant metal on earth. Although it is a well understood essential trace element, in excess, Mn is neurotoxic. Initial toxic symptoms associated with Mn are of psychiatric nature and are clinically defined as locura manganica. Neurological signs of Mn toxicity include dystonia, progressive bradykinesia, and disturbance of gait, slurring, and stuttering of speech with diminished volume. Studies indicate that children who ingested Mn in the drinking water (WMn) at or above a level of 0.241mg/L for a minimum of three years performed more poorly in school as measured by mastery of language, mathematics, and in their overall grade average. The Mn-exposed children also performed more poorly on a battery of neurobehavioral tests. It was also found a significant association between higher WMn and lower cognitive performance, verbal function, and full-scale intelligence quotient (IQ) scores. Young children appear to make up a vulnerable group in exposed populations. Toxicity of WMn is a problem particularly in areas of industrial waste or where Mn is leaching from the soil into public drinking water. Practical and cost-effective approaches are available to remove Mn from drinking water. It is crucial to protect developing brains against Mn toxicity.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Mo i Rana, Norway.
| | | | - Jan Aaseth
- Department of Public Health, Hedmark University of Applied Sciences, Elverum, Norway; Department of Research, Innlandet Hospital Trust, Brumunddal, Norway
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14
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Bera S, Kolay J, Banerjee S, Mukhopadhyay R. Nanoscale On-Silico Electron Transport via Ferritins. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:1951-1958. [PMID: 28145712 DOI: 10.1021/acs.langmuir.6b04120] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Silicon is a solid-state semiconducting material that has long been recognized as a technologically useful one, especially in electronics industry. However, its application in the next-generation metalloprotein-based electronics approaches has been limited. In this work, the applicability of silicon as a solid support for anchoring the iron-storage protein ferritin, which has a semiconducting iron nanocore, and probing electron transport via the ferritin molecules trapped between silicon substrate and a conductive scanning probe has been investigated. Ferritin protein is an attractive bioelectronic material because its size (X-ray crystallographic diameter ∼12 nm) should allow it to fit well in the larger tunnel gaps (>5 nm), fabrication of which is relatively more established, than the smaller ones. The electron transport events occurring through the ferritin molecules that are covalently anchored onto the MPTMS-modified silicon surface could be detected at the molecular level by current-sensing atomic force spectroscopy (CSAFS). Importantly, the distinct electronic signatures of the metal types (i.e., Fe, Mn, Ni, and Au) within the ferritin nanocore could be distinguished from each other using the transport band gap analyses. The CSAFS measurements on holoferritin, apoferritin, and the metal core reconstituted ferritins reveal that some of these ferritins behave like n-type semiconductors, while the others behave as p-type semiconductors. The band gaps for the different ferritins are found to be within 0.8 to 2.6 eV, a range that is valid for the standard semiconductor technology (e.g., diodes based on p-n junction). The present work indicates effective on-silico integration of the ferritin protein, as it remains functionally viable after silicon binding and its electron transport activities can be detected. Potential use of the ferritin-silicon nanohybrids may therefore be envisaged in applications other than bioelectronics, too, as ferritin is a versatile nanocore-containing biomaterial (for storage/transport of metals and drugs) and silicon can be a versatile nanoscale solid support (for its biocompatible nature).
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Affiliation(s)
- Sudipta Bera
- Department of Biological Chemistry, Indian Association for the Cultivation of Science , Jadavpur, Kolkata 700 032, India
| | - Jayeeta Kolay
- Department of Biological Chemistry, Indian Association for the Cultivation of Science , Jadavpur, Kolkata 700 032, India
| | - Siddhartha Banerjee
- Department of Biological Chemistry, Indian Association for the Cultivation of Science , Jadavpur, Kolkata 700 032, India
| | - Rupa Mukhopadhyay
- Department of Biological Chemistry, Indian Association for the Cultivation of Science , Jadavpur, Kolkata 700 032, India
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15
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Wang Z, Gao H, Zhang Y, Liu G, Niu G, Chen X. Functional ferritin nanoparticles for biomedical applications. Front Chem Sci Eng 2017; 11:633-646. [PMID: 29503759 DOI: 10.1007/s11705-017-1620-8] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ferritin, a major iron storage protein with a hollow interior cavity, has been reported recently to play many important roles in biomedical and bioengineering applications. Owing to the unique architecture and surface properties, ferritin nanoparticles offer favorable characteristics and can be either genetically or chemically modified to impart functionalities to their surfaces, and therapeutics or probes can be encapsulated in their interiors by controlled and reversible assembly/disassembly. There has been an outburst of interest regarding the employment of functional ferritin nanoparticles in nanomedicine. This review will highlight the recent advances in ferritin nanoparticles for drug delivery, bioassay, and molecular imaging with a particular focus on their biomedical applications.
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Affiliation(s)
- Zhantong Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China.,Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health, Bethesda, MD 20892, USA
| | - Haiyan Gao
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Yang Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Gang Niu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health, Bethesda, MD 20892, USA
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health, Bethesda, MD 20892, USA
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Zheng XT, Xu HV, Tan YN. Bioinspired Design and Engineering of Functional Nanostructured Materials for Biomedical Applications. ACS SYMPOSIUM SERIES 2017. [DOI: 10.1021/bk-2017-1253.ch007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Affiliation(s)
- Xin Ting Zheng
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634
- Division of Chemical and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- Department of Chemistry, National University of Singapore, 3 Science Drive, Singapore 117543
| | - Hesheng Victor Xu
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634
- Division of Chemical and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- Department of Chemistry, National University of Singapore, 3 Science Drive, Singapore 117543
| | - Yen Nee Tan
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634
- Division of Chemical and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- Department of Chemistry, National University of Singapore, 3 Science Drive, Singapore 117543
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17
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Ge X, Zhang A, Lin Y, Du D. Simultaneous immunoassay of phosphorylated proteins based on apoferritin templated metallic phosphates as voltammetrically distinguishable signal reporters. Biosens Bioelectron 2016; 80:201-207. [DOI: 10.1016/j.bios.2016.01.058] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/21/2016] [Accepted: 01/23/2016] [Indexed: 02/01/2023]
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18
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Truffi M, Fiandra L, Sorrentino L, Monieri M, Corsi F, Mazzucchelli S. Ferritin nanocages: A biological platform for drug delivery, imaging and theranostics in cancer. Pharmacol Res 2016; 107:57-65. [DOI: 10.1016/j.phrs.2016.03.002] [Citation(s) in RCA: 141] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 02/24/2016] [Accepted: 03/02/2016] [Indexed: 12/16/2022]
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Rafipour R, Kashanian S, Hashemi S, Omidfar K, Ezzati Nazhad Dolatabadi J. Apoferritin-templated biosynthesis of manganese nanoparticles and investigation of direct electron transfer of MnNPs-HsAFr at modified glassy carbon electrode. Biotechnol Appl Biochem 2016; 64:110-116. [DOI: 10.1002/bab.1466] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 12/01/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Ronak Rafipour
- Department of Chemistry; College of Science; Kermanshah Branch; Islamic Azad University; Kermanshah Iran
| | - Soheila Kashanian
- Faculty of Chemistry; Sensor and Biosensor Research Center (SBRC) & Nanoscience and Nanotechnology Research Center (NNRC); Razi University; Kermanshah Iran
- Nano Drug Delivery Research Center; Kermanshah University of Medical Sciences; Kermanshah Iran
| | - Sadegh Hashemi
- Department of Animal Science; Faculty of Agriculture; University of Tehran; Karaj Iran
| | - Kobra Omidfar
- Endocrine and Metabolism Research Center; Tehran University of Medical Sciences; Tehran Iran
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute; Tehran University of Medical Sciences; Tehran Iran
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20
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Zan G, Wu Q. Biomimetic and Bioinspired Synthesis of Nanomaterials/Nanostructures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:2099-147. [PMID: 26729639 DOI: 10.1002/adma.201503215] [Citation(s) in RCA: 175] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 09/09/2015] [Indexed: 05/13/2023]
Abstract
In recent years, due to its unparalleled advantages, the biomimetic and bioinspired synthesis of nanomaterials/nanostructures has drawn increasing interest and attention. Generally, biomimetic synthesis can be conducted either by mimicking the functions of natural materials/structures or by mimicking the biological processes that organisms employ to produce substances or materials. Biomimetic synthesis is therefore divided here into "functional biomimetic synthesis" and "process biomimetic synthesis". Process biomimetic synthesis is the focus of this review. First, the above two terms are defined and their relationship is discussed. Next different levels of biological processes that can be used for process biomimetic synthesis are compiled. Then the current progress of process biomimetic synthesis is systematically summarized and reviewed from the following five perspectives: i) elementary biomimetic system via biomass templates, ii) high-level biomimetic system via soft/hard-combined films, iii) intelligent biomimetic systems via liquid membranes, iv) living-organism biomimetic systems, and v) macromolecular bioinspired systems. Moreover, for these five biomimetic systems, the synthesis procedures, basic principles, and relationships are discussed, and the challenges that are encountered and directions for further development are considered.
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Affiliation(s)
- Guangtao Zan
- Department of Chemistry, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai, 200092, P. R. China
- School of Materials Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Qingsheng Wu
- Department of Chemistry, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai, 200092, P. R. China
- School of Materials Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
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Mulyana Y, Uenuma M, Okamoto N, Ishikawa Y, Yamashita I, Uraoka Y. Creating Reversible p-n Junction on Graphene through Ferritin Adsorption. ACS APPLIED MATERIALS & INTERFACES 2016; 8:8192-8200. [PMID: 26943894 DOI: 10.1021/acsami.5b12226] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
An alternative way to construct a stable p-n junction on graphene-based field effect transistor (G-FET) through physical adsorption of ferritin (spherical protein shell) is presented. The produced p-n junction on G-FET could also operate through water-gate. Native ferritins are known to be negatively charged in wet condition; however, we found that native negatively charged ferritins became positively charged after performing electron beam (EB)-irradiation. We utilized this property to construct p-n junction on G-FET. We found also that EB-irradiation could remove the effect of charged impurity adsorbed on graphene layer, thus the Dirac point was adjusted to gate voltage Vg = 0.
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Affiliation(s)
- Yana Mulyana
- Nara Institute of Science and Technology, Graduate School of Materials Science , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Mutsunori Uenuma
- Nara Institute of Science and Technology, Graduate School of Materials Science , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Naofumi Okamoto
- Nara Institute of Science and Technology, Graduate School of Materials Science , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Yasuaki Ishikawa
- Nara Institute of Science and Technology, Graduate School of Materials Science , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Ichiro Yamashita
- Nara Institute of Science and Technology, Graduate School of Materials Science , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Yukiharu Uraoka
- Nara Institute of Science and Technology, Graduate School of Materials Science , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
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Choi SJ, Kim SJ, Cho HJ, Jang JS, Lin YM, Tuller HL, Rutledge GC, Kim ID. WO3 Nanofiber-Based Biomarker Detectors Enabled by Protein-Encapsulated Catalyst Self-Assembled on Polystyrene Colloid Templates. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:911-920. [PMID: 26728087 DOI: 10.1002/smll.201502905] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 11/16/2015] [Indexed: 06/05/2023]
Abstract
A novel catalyst functionalization method, based on protein-encapsulated metallic nanoparticles (NPs) and their self-assembly on polystyrene (PS) colloid templates, is used to form catalyst-loaded porous WO3 nanofibers (NFs). The metallic NPs, composed of Au, Pd, or Pt, are encapsulated within a protein cage, i.e., apoferritin, to form unagglomerated monodispersed particles with diameters of less than 5 nm. The catalytic NPs maintain their nanoscale size, even following high-temperature heat-treatment during synthesis, which is attributed to the discrete self-assembly of NPs on PS colloid templates. In addition, the PS templates generate open pores on the electrospun WO3 NFs, facilitating gas molecule transport into the sensing layers and promoting active surface reactions. As a result, the Au and Pd NP-loaded porous WO3 NFs show superior sensitivity toward hydrogen sulfide, as evidenced by responses (R(air)/R(gas)) of 11.1 and 43.5 at 350 °C, respectively. These responses represent 1.8- and 7.1-fold improvements compared to that of dense WO3 NFs (R(air)/R(gas) = 6.1). Moreover, Pt NP-loaded porous WO3 NFs exhibit high acetone sensitivity with response of 28.9. These results demonstrate a novel catalyst loading method, in which small NPs are well-dispersed within the pores of WO3 NFs, that is applicable to high sensitivity breath sensors.
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Affiliation(s)
- Seon-Jin Choi
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, South Korea
| | - Sang-Joon Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, South Korea
| | - Hee-Jin Cho
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, South Korea
| | - Ji-Soo Jang
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, South Korea
| | - Yi-Min Lin
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Harry L Tuller
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Gregory C Rutledge
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Il-Doo Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, South Korea
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Ghisaidoobe ABT, Chung SJ. Functionalized protein nanocages as a platform of targeted therapy and immunodetection. Nanomedicine (Lond) 2015; 10:3579-95. [PMID: 26651131 DOI: 10.2217/nnm.15.175] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
To improve the therapeutic/diagnostic potentials of drugs and/or imaging contrast agents, various targeted delivery systems are actively being developed. Especially protein nanocages, hollow and highly symmetrical nanometer-sized cage structures that are self-assembled from multiple protein subunits, are emerging as powerful targeted delivery tools. Their natural abundance, biocompatibility, low toxicity, well defined size and high symmetry are a few of the favorable characteristics which render protein nanocages as near ideal carriers for pharmaceuticals and/or imaging probes. This review aims to highlight current progress in the development and application of protein nanocages in targeted drug delivery approaches with an emphasis on the use of antibodies as targeting motifs to achieve high selectivity toward specific targets.
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Affiliation(s)
| | - Sang J Chung
- Department of Chemistry, Dongguk University, Seoul 100-715, Republic of Korea
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24
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Heger Z, Skalickova S, Zitka O, Adam V, Kizek R. Apoferritin applications in nanomedicine. Nanomedicine (Lond) 2015; 9:2233-45. [PMID: 25405799 DOI: 10.2217/nnm.14.119] [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] [Indexed: 12/11/2022] Open
Abstract
Nanomedicine as a continuously evolving discipline is still looking for a structure with perfect properties that is usable as a multifunctional transporter. Great potential is attributed to synthetic materials such as fullerenes, porous hollow silica nanoparticles and single-wall nanotubes, among others. However, materials that are natural to the human body are more acceptable by the organism, and thus become an attractive approach in this field of research. Ferritins are proteins that naturally occur in most living organisms throughout evolution and may be a possible transporter choice. Numerous applications have demonstrated the possibilities of iron-free ferritins, called apoferritins, serving as platforms for various nanomedical purposes This article summarizes the advantages and disadvantages of these proteins and discusses their practical applications and future perspectives.
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Affiliation(s)
- Zbynek Heger
- Department of Chemistry & Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
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25
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Jutz G, van Rijn P, Santos Miranda B, Böker A. Ferritin: a versatile building block for bionanotechnology. Chem Rev 2015; 115:1653-701. [PMID: 25683244 DOI: 10.1021/cr400011b] [Citation(s) in RCA: 272] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Günther Jutz
- DWI - Leibniz-Institut für Interaktive Materialien e.V., Lehrstuhl für Makromolekulare Materialien und Oberflächen, RWTH Aachen University , Forckenbeckstrasse 50, D-52056 Aachen, Germany
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Erickson SD, Smith TJ, Moses LM, Watt RK, Colton JS. Non-native Co-, Mn-, and Ti-oxyhydroxide nanocrystals in ferritin for high efficiency solar energy conversion. NANOTECHNOLOGY 2015; 26:015703. [PMID: 25490522 DOI: 10.1088/0957-4484/26/1/015703] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Quantum dot solar cells seek to surpass the solar energy conversion efficiencies achieved by bulk semiconductors. This new field requires a broad selection of materials to achieve its full potential. The 12 nm spherical protein ferritin can be used as a template for uniform and controlled nanocrystal growth, and to then house the nanocrystals for use in solar energy conversion. In this study, precise band gaps of titanium, cobalt, and manganese oxyhydroxide nanocrystals within ferritin were measured, and a change in band gap due to quantum confinement effects was observed. The range of band gaps obtainable from these three types of nanocrystals is 2.19-2.29 eV, 1.93-2.15 eV, and 1.60-1.65 eV respectively. From these measured band gaps, theoretical efficiency limits for a multi-junction solar cell using these ferritin-enclosed nanocrystals are calculated and found to be 38.0% for unconcentrated sunlight and 44.9% for maximally concentrated sunlight. If a ferritin-based nanocrystal with a band gap similar to silicon can be found (i.e. 1.12 eV), the theoretical efficiency limits are raised to 51.3% and 63.1%, respectively. For a current matched cell, these latter efficiencies become 41.6% (with an operating voltage of 5.49 V), and 50.0% (with an operating voltage of 6.59 V), for unconcentrated and maximally concentrated sunlight respectively.
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Affiliation(s)
- S D Erickson
- Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA
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Bhattacharya P, Du D, Lin Y. Bioinspired nanoscale materials for biomedical and energy applications. J R Soc Interface 2014; 11:20131067. [PMID: 24740959 PMCID: PMC4006234 DOI: 10.1098/rsif.2013.1067] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Accepted: 03/25/2014] [Indexed: 12/13/2022] Open
Abstract
The demand for green, affordable and environmentally sustainable materials has encouraged scientists in different fields to draw inspiration from nature in developing materials with unique properties such as miniaturization, hierarchical organization and adaptability. Together with the exceptional properties of nanomaterials, over the past century, the field of bioinspired nanomaterials has taken huge leaps. While on the one hand, the sophistication of hierarchical structures endows biological systems with multi-functionality, the synthetic control on the creation of nanomaterials enables the design of materials with specific functionalities. The aim of this review is to provide a comprehensive, up-to-date overview of the field of bioinspired nanomaterials, which we have broadly categorized into biotemplates and biomimics. We discuss the application of bioinspired nanomaterials as biotemplates in catalysis, nanomedicine, immunoassays and in energy, drawing attention to novel materials such as protein cages. Furthermore, the applications of bioinspired materials in tissue engineering and biomineralization are also discussed.
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Affiliation(s)
- Priyanka Bhattacharya
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, PO Box 999, Richland, WA 99352, USA
| | - Dan Du
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China
- School of Mechanical and Materials Engineering, Washington State University, PO Box 642920, Pullman, WA 99164-2920, USA
| | - Yuehe Lin
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, PO Box 999, Richland, WA 99352, USA
- School of Mechanical and Materials Engineering, Washington State University, PO Box 642920, Pullman, WA 99164-2920, USA
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Sano KI, Miura A, Yoshii S, Okuda M, Fukuta M, Uraoka Y, Fuyuki T, Yamashita I, Shiba K. Nonvolatile flash memory based on biologically integrated hierarchical nanostructures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:12483-12489. [PMID: 24028443 DOI: 10.1021/la402742f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The first six peptides of multifunctional titanium binding peptide-1 bestowed recombinant L-ferritin, minT1-LF, was genetically engineered and used to fabricate multilayered nanoparticle architecture. The multifunctionality of minT1-LF enables specific binding of nanoparticle-accommodated minT1-LF to the silicon substrate surface and wet biochemical fabrication of gate oxide layer by its biomineralization activity. Three-dimensional (3D) nanoparticle architecture with multilayered structure was fabricated by the biological layer-by-layer method and embedded in a metal oxide-semiconductor device structure as a charge storage node of a flash memory device. The 3D-integrated multilayered nanoparticle architecture successfully worked as a charge storage node in flash memory devices that exhibited improved charge storage capacity compared with that of a conventional monolayer structure device.
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Affiliation(s)
- Ken-Ichi Sano
- Division of Protein Engineering, Cancer Institute, Japanese Foundation for Cancer Research , Koto, Tokyo 135-8550, Japan
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Uto K, Yamamoto K, Iwahori K, Aoyagi T, Yamashita I. Solid-phase PEGylation of an immobilized protein cage on polyelectrolyte multilayer. Colloids Surf B Biointerfaces 2013; 113:338-45. [PMID: 24121077 DOI: 10.1016/j.colsurfb.2013.09.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Revised: 08/02/2013] [Accepted: 09/06/2013] [Indexed: 01/27/2023]
Abstract
We used a quartz crystal microbalance (QCM) to quantitatively characterize solid-phase poly(ethylene glycol) modification (PEGylation) of apoferritin that was electrostatically immobilized on the surface of a polyelectrolyte multilayer. The solid-phase PEGylation processes were monitored by analyzing QCM frequency shifts, which showed that the PEG chains were covalently introduced onto the surface of the immobilized apoferritin. We investigated the effect of PEG concentration, PEG molecular weight, and two-dimensional coverage of the immobilized apoferritin on the solid-phase PEGylation process in addition to the surface properties of the PEGylated apoferritin film, such as wettability and protein adsorption capacity. Since the reaction field is more spatially restricted in solid-phase PEGylation than in traditional aqueous-phase PEGylation, this study shows that a ferritin protein cage is potentially useful as a tailored building block, one that has well-defined structures different from the PEGylated ferritin prepared by an aqueous-phase approach.
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Affiliation(s)
- Koichiro Uto
- Department of Nanostructure and Advanced Materials, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 890-0065, Japan; Biomaterials Unit, International Research Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Kazuya Yamamoto
- Department of Nanostructure and Advanced Materials, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 890-0065, Japan
| | - Kenji Iwahori
- PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Takao Aoyagi
- Department of Nanostructure and Advanced Materials, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 890-0065, Japan; Biomaterials Unit, International Research Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Ichiro Yamashita
- Nara Institute of Science and Technology, Materials Science, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan; CREST, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan; Advanced Technology Research Laboratories, Matsushita Electric Industrial Co. Ltd., Seika, Kyoto 619-0237, Japan.
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Fukuta M, Zettsu N, Yamashita I, Uraoka Y, Watanabe H. The adsorption mechanism of titanium-binding ferritin to amphoteric oxide. Colloids Surf B Biointerfaces 2013; 102:435-40. [DOI: 10.1016/j.colsurfb.2012.07.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 07/11/2012] [Accepted: 07/12/2012] [Indexed: 10/28/2022]
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Watt RK, Petrucci OD, Smith T. Ferritin as a model for developing 3rd generation nano architecture organic/inorganic hybrid photo catalysts for energy conversion. Catal Sci Technol 2013. [DOI: 10.1039/c3cy00536d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Okuda M, Eloi JC, Ward Jones SE, Sarua A, Richardson RM, Schwarzacher W. Fe3O4 nanoparticles: protein-mediated crystalline magnetic superstructures. NANOTECHNOLOGY 2012; 23:415601. [PMID: 23010993 DOI: 10.1088/0957-4484/23/41/415601] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The synthesis of magnetic, monodisperse nanoparticles has attracted great interest in nanoelectronics and nanomedicine. Here we report the fabrication of pure magnetite nanoparticles, less than ten nanometers in size, using the cage-shaped protein apoferritin (Fe(3)O(4)-ferritin). Crystallizable proteins were obtained through careful successive separation methods, including a magnetic chromatography that enabled the effective separation of proteins, including a Fe(3)O(4) nanoparticle (7.9 ± 0.8 nm), from empty ones. Macroscopic protein crystals allowed the fabrication of three-dimensional arrays of Fe(3)O(4) nanoparticles with interparticle gaps controlled by dehydration, decreasing their magnetic susceptibilities and increasing their blocking temperatures through enhanced dipole-dipole interactions.
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Affiliation(s)
- Mitsuhiro Okuda
- H H Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK.
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Biomimetic synthesis and characterization of cobalt nanoparticles using apoferritin, and investigation of direct electron transfer of Co(NPs)–ferritin at modified glassy carbon electrode to design a novel nanobiosensor. Mol Biol Rep 2012; 39:8793-802. [DOI: 10.1007/s11033-012-1742-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Accepted: 06/07/2012] [Indexed: 10/28/2022]
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Uto K, Yamamoto K, Kishimoto N, Muraoka M, Aoyagi T, Yamashita I. Precise control of two-dimensional composition of proteins and nanoparticle conjugate for functional nanostructured material fabrication. J Colloid Interface Sci 2012; 378:44-50. [DOI: 10.1016/j.jcis.2012.04.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Revised: 04/04/2012] [Accepted: 04/05/2012] [Indexed: 01/15/2023]
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Kashanian S, Rafipour R, Tarighat F, Ravan H. Immobilisation of cobaltferritin onto gold electrode based on self-assembled monolayers. IET Nanobiotechnol 2012; 6:102-9. [DOI: 10.1049/iet-nbt.2011.0042] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Abstract
Nanostructured materials are increasingly important for the construction of electrochemical energy storage devices that will meet the needs of portable nanodevices. Here we describe the development of a nanoenergy storage system based on inorganic mineral phases contained in ferritin proteins. The electrochemical cell consists of an anode containing~2000 iron atoms as Fe(OH)2in the hollow protein interior of ferritin and a cathode containing~2000 of Co(OH)3in a separate ferritin molecule. The achieved initial voltage output from a combination of Fe2+- and Co3+-ferritins adsorbed on gold electrodes was~500 mV, while a combination of Fe2+- and Co3+-ferritins immobilized on gold produced a voltage of 350–405 mV. When fully discharged, Fe(OH)3and Co(OH)2are the products of a single electron transfer per metal atom from anode to cathode. The spent components can be regenerated by chemical or electrochemical methods restoring battery function. The properties of ferritins are presented and their unique characteristics are described, which have led to the development of a functional bio-nanobattery.
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Tian L, Cao C, Pan Y. The influence of reaction temperature on biomineralization of ferrihydrite cores in human H-ferritin. Biometals 2011; 25:193-202. [DOI: 10.1007/s10534-011-9497-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2010] [Accepted: 09/19/2011] [Indexed: 11/30/2022]
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Fukano H, Takahashi T, Aizawa M, Yoshimura H. Synthesis of Uniform and Dispersive Calcium Carbonate Nanoparticles in a Protein Cage through Control of Electrostatic Potential. Inorg Chem 2011; 50:6526-32. [DOI: 10.1021/ic200117x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Takuya Takahashi
- Department of Bioscience and BioInformatics, Graduate School of Science and Engineering College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga 525-8577, Japan
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Bode SA, Minten IJ, Nolte RJM, Cornelissen JJLM. Reactions inside nanoscale protein cages. NANOSCALE 2011; 3:2376-2389. [PMID: 21461437 DOI: 10.1039/c0nr01013h] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Chemical reactions are traditionally carried out in bulk solution, but in nature confined spaces, like cell organelles, are used to obtain control in time and space of conversion. One way of studying these reactions in confinement is the development and use of small reaction vessels dispersed in solution, such as vesicles and micelles. The utilization of protein cages as reaction vessels is a relatively new field and very promising as these capsules are inherently monodisperse, in that way providing uniform reaction conditions, and are readily accessible to both chemical and genetic modifications. In this review, we aim to give an overview of the different kinds of nanoscale protein cages that have been employed as confined reaction spaces.
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Affiliation(s)
- Saskia A Bode
- Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands
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40
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Kim KR, Ahn KY, Park JS, Lee KE, Jeon H, Lee J. Lyophilization and enhanced stability of fluorescent protein nanoparticles. Biochem Biophys Res Commun 2011; 408:225-9. [DOI: 10.1016/j.bbrc.2011.03.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2011] [Accepted: 03/26/2011] [Indexed: 10/18/2022]
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41
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Yamashita I. The Bio-Nano-Process: Making Semiconductor Devices Using Protein Supramolecules. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-873-k5.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractThe biology and semiconductor technology have progressed independently. There was a large distance between them and a substantial interdisciplinary research area was left untouched. Recently, this situation is gradually changing. Some researchers are stimulating semiconductor technology by introducing bio-molecules into the nano-fabrication process. We proposed a new process for fabricating functional nano-structure on a solid surface using protein supramolecules, which we named “Bio Nano Process” (BNP). We employed a cage-shaped protein, apoferritin and synthesized several kinds of nanoparticles (NP) in the apoferritin cavity. A two-dimensional array of them was made on the silicon wafer and this array was heat treated or UV/ozone treated. These processes produced a two-dimensional inorganic NP array on the silicon surface. The size of the NP is small enough to be used as quantum dot and the floating nanodots memory using this NP array is now under development. We also proposed another application of the BNP, making use of the obtained nanodot array as the nanometric etching mask. This was realized by employing the neutral beam etching and 7nm Si nano columns with high aspect ratio were fabricated. These experimental results demonstrate that the BNP can fabricate the inorganic nanostructure using protein supramolecules and the BNP opened up a biological path to nanoelectronics devices.
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Okuda M, Yamashita I, Iwahori K, Yoshimura H. Fabrication of In2O3 Oxide Semiconductor Nano-Particles Using Apoferritin. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-873-k3.13] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractIn2O3 nanoparticles were fabricated in the cavity of the cage-shaped protein, apoferritin by utilizing a quick chemical reaction of indium oxide. Horse spleen apoferritin in the solution of indium ions buffered at pH 9.5 was incubated for 30 minutes. The transmission electron microscopy (TEM) observation with aurothioglucose staining showed that cores were formed in the apoferritin cavity. The sizes of cores were regulated by the cavity size and their diameters were below 7nm. Energy dispersion X-ray analysis (EDX) indicated that indium was contained in the cores. The high-resolution TEM (HR-TEM) revealed that cores are single or poly crystalline and the lattice space was consistent with that of In2O3. These results confirmed that the In2O3 cores were successfully formed in the apoferritin cavity.
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43
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Huang H, Yu Q, Peng X, Ye Z. Mesoporous protein thin films for molecule delivery. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm11090j] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Haikarainen T, Thanassoulas A, Stavros P, Nounesis G, Haataja S, Papageorgiou AC. Structural and thermodynamic characterization of metal ion binding in Streptococcus suis Dpr. J Mol Biol 2010; 405:448-60. [PMID: 21056572 DOI: 10.1016/j.jmb.2010.10.058] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Accepted: 10/27/2010] [Indexed: 02/04/2023]
Abstract
The use of protein cages for the creation of novel inorganic nanomaterials has attracted considerable attention in recent years. Ferritins are among the most commonly used protein cages in nanoscience. Accordingly, the binding of various metals to ferritins has been studied extensively. Dps (DNA-binding protein from starved cells)-like proteins belong to the ferritin superfamily. In contrast to ferritins, Dps-like proteins form 12-mers instead of 24-mers, have a different ferroxidase center, and are able to store a smaller amount of iron atoms in a hollow cavity (up to ∼500, instead of the ∼4500 iron atoms found in ferritins). With the exception of iron, the binding of other metal cations to Dps proteins has not been studied in detail. Here, the binding of six divalent metal ions (Zn(2+), Mn(2+), Ni(2+), Co(2+), Cu(2+), and Mg(2+)) to Streptococcus suisDps-like peroxide resistance protein (SsDpr) was characterized by X-ray crystallography and isothermal titration calorimetry (ITC). All metal cations, except for Mg(2+), were found to bind to the ferroxidase center similarly to Fe(2+), with moderate affinity (binding constants between 0.1×10(5) M(-1) and 5×10(5) M(-1)). The stoichiometry of binding, as deduced by ITC data, suggested the presence of a dication ferroxidase site. No other metal binding sites were identified in the protein. The results presented here demonstrate the ability of SsDpr to bind various metals as substitutes for iron and will help in better understanding protein-metal interactions in the Dps family of proteins as potential metal nanocontainers.
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Affiliation(s)
- Teemu Haikarainen
- Turku Center for Biotechnology, University of Turku and Åbo Akademi University, Turku 20521, Finland
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45
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Zheng B, Uenuma M, Uraoka Y, Yamashita I. Construction of a ferritin dimer by breaking its symmetry. NANOTECHNOLOGY 2010; 21:445602. [PMID: 20935356 DOI: 10.1088/0957-4484/21/44/445602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Ferritin has a mono-dispersed structure and biomineralization properties that allow it to form various kinds of nanoparticles and play an important role in modern nanotechnology. Independent nanoparticles synthesized in ferritin are valuable, but moreover a pair of nanoparticles can bring new properties different from those of the independent nanoparticles. In this study, by breaking ferritin's symmetry, we successfully produced ferritin dimers which provide real protein frameworks for nanoparticle dimer formation. Identical nickel hydro-oxide nanoparticle dimers were produced by simply biomineralizing ferritin dimers. The method presented here can produce multi-functional ferritin dimers with different kinds of nanoparticles.
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Affiliation(s)
- B Zheng
- Graduate School of Materials Science, Nara Institute of Science and Technology, Ikoma, Nara, Japan
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46
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Bang E, Seo JB, Koh EK, Chae KS. The Effect of Image Potential on the Current-Voltage Characteristics of a Ferritin-layer. J Anal Sci Technol 2010. [DOI: 10.5355/jast.2010.86] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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47
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Fan R, Chew SW, Cheong VV, Orner BP. Fabrication of gold nanoparticles inside unmodified horse spleen apoferritin. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2010; 6:1483-1487. [PMID: 20623737 DOI: 10.1002/smll.201000457] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Affiliation(s)
- Rongli Fan
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link, Singapore
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48
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Kim KT, Meeuwissen SA, Nolte RJM, van Hest JCM. Smart nanocontainers and nanoreactors. NANOSCALE 2010; 2:844-858. [PMID: 20648280 DOI: 10.1039/b9nr00409b] [Citation(s) in RCA: 132] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We highlight recent advances in the synthesis of nanocarriers and nanoreactors from synthetic and biological building blocks with emphasis on the stimulus-responsive regulation of their function.
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Affiliation(s)
- Kyoung Taek Kim
- Radboud University Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135, Nijmegen, 6525, AJ, The Netherlands
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49
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Native and synthetic ferritins for nanobiomedical applications: recent advances and new perspectives. Future Med Chem 2010; 2:609-18. [DOI: 10.4155/fmc.09.171] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Ferritin is the protein whose function is to store iron that the cell does not require immediately for metabolic processes, thereby protecting against the toxic effects of free Fe2+. Ferritin therefore plays a crucial role in iron metabolism as well as in the development of some diseases, especially those related to the presence of free Fe2+ and toxic hydroxyl radicals. In addition, ferritin is itself a catalytic bionanoparticle. Its internal cavity can be used as a nanoreactor to produce non-native metallic nanoparticles. Moreover, its external protein shell can be chemically modified, allowing ferritin to be used as a precursor for a library of metallic nanoparticles, some which may have potential applications in biomedicine, especially as multimodal imaging probes. This article presents a brief overview of the evidence for the role of native ferritin in some diseases, as well as the potential of some synthetic ferritins – in which a non-native inorganic material has been introduced into the cavity and/or the external shell has been modified – in the field of nanobiomedicine.
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50
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Yamashita I, Iwahori K, Kumagai S. Ferritin in the field of nanodevices. Biochim Biophys Acta Gen Subj 2010; 1800:846-57. [PMID: 20227466 DOI: 10.1016/j.bbagen.2010.03.005] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2009] [Revised: 02/26/2010] [Accepted: 03/07/2010] [Indexed: 10/19/2022]
Abstract
Biomineralization of ferritin core has been extended to the artificial synthesis of homogeneous metal complex nanoparticles (NPs) and semiconductor NPs. The inner cavity of apoferritin is an ideal spatially restricted chemical reaction chamber for NP synthesis. The obtained ferritin (biocomplexes, NP and the surrounding protein shell) has attracted great interest among researchers in the field of nanodevices. Ferritins were delivered onto specific substrate locations in a one-by-one manner or a hexagonally close-packed array through ferritin outer surface interactions. After selective elimination of protein shells from the ferritin, bare NPs were left at the positions where they were delivered. The obtained NPs were used as catalysts for carbon nanotube (CNT) growth and metal induced lateral crystallization (MILC), charge storage nodes of floating gate memory, and nanometer-scale etching masks, which could not be performed by other methods.
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Affiliation(s)
- Ichiro Yamashita
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5, Takayama, Ikoma, Nara 630-0101, Japan.
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