1
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Barros CHN, Alfaro M, Costello C, Wang F, Sapre K, Rastogi S, Chiruvolu S, Connolly J, Topp EM. Effect of Atomic Layer Coating on the Stability of Solid Myoglobin Formulations. Mol Pharm 2023; 20:4086-4099. [PMID: 37466053 DOI: 10.1021/acs.molpharmaceut.3c00229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
The effects of atomic layer (ALC) coating on physical properties and storage stability were examined in solid powders containing myoglobin, a model protein. Powders containing myoglobin and mannitol (1:1 w/w) were prepared by lyophilization or spray drying and subjected to aluminum oxide or silicon oxide ALC coating. Uncoated samples of these powders as well as coated and uncoated samples of myoglobin as received served as controls. After preparation (t0), samples were analyzed for moisture content, reconstitution time, myoglobin secondary structure, crystallinity, and protein aggregate content. Samples were stored for 3 months (t3) under controlled conditions (53% RH, 40 °C) in both open and closed vials and then analyzed as above. At t3, the recovery of soluble native (i.e., monomeric) protein depended on formulation, coating type, and drying method and was up to 2-fold greater in coated samples than in uncoated controls. Promisingly, some samples with high recovery also showed low soluble aggregate content (<10%) at t3 and low total monomer loss; the latter was correlated to sample moisture content. Overall, the results demonstrate that ALC coatings can stabilize solid protein formulations during storage, providing benefits over uncoated controls.
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Affiliation(s)
- Caio H N Barros
- National Institution for Bioprocessing Research and Training (NIBRT), Dublin A94 X099, Ireland
| | - Manuel Alfaro
- National Institution for Bioprocessing Research and Training (NIBRT), Dublin A94 X099, Ireland
| | - Cormac Costello
- National Institution for Bioprocessing Research and Training (NIBRT), Dublin A94 X099, Ireland
| | - Fei Wang
- Applied Materials, Inc., Santa Clara, California 58039, United States
| | - Kedar Sapre
- Applied Materials, Inc., Santa Clara, California 58039, United States
| | - Suneel Rastogi
- Applied Materials, Inc., Santa Clara, California 58039, United States
| | | | - James Connolly
- Applied Materials, Inc., Santa Clara, California 58039, United States
| | - Elizabeth M Topp
- National Institution for Bioprocessing Research and Training (NIBRT), Dublin A94 X099, Ireland
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
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2
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Fernández JG, Martínez VV, de la Prida Pidal VM. Special Issue "ALD Technique for Functional Coatings of Nanostructured Materials". NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3489. [PMID: 36234616 PMCID: PMC9565319 DOI: 10.3390/nano12193489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Atomic layer deposition (ALD) is a vapor-phase technique that consists of the alternation of separated self-limiting surface reactions, which enable film thickness to be accurately controlled at the angstrom level, based on the former atomic layer epitaxy method [...].
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Affiliation(s)
- Javier Garcia Fernández
- Departamento de Física, Facultad de Ciencias, Universidad de Oviedo, C/Federico García Lorca nº 18, 33007 Oviedo, Spain
| | - Victor Vega Martínez
- Laboratorio de Membranas Nanoporosas, Edificio de Servicios Científico Técnicos “Severo Ochoa”, Universidad de Oviedo, C/Fernando Bonguera s/n, 33006 Oviedo, Spain
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3
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Rihova M, Yurkevich O, Motola M, Hromadko L, Spotz Z, Zazpe R, Knez M, Macak JM. ALD coating of centrifugally spun polymeric fibers and postannealing: case study for nanotubular TiO 2 photocatalyst. NANOSCALE ADVANCES 2021; 3:4589-4596. [PMID: 36133479 PMCID: PMC9419182 DOI: 10.1039/d1na00288k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 07/05/2021] [Indexed: 06/16/2023]
Abstract
This work describes the synthesis of highly photocatalytically active TiO2 tubes (TiTBs) by combining centrifugal spinning and atomic layer deposition (ALD). Poly(vinyl pyrrolidone) (PVP) fibers were first produced by centrifugal spinning and subsequently coated with TiO2 with various film thicknesses in a fluidized bed ALD reactor. After annealing of the TiO2 ALD coated PVP fibers, TiO2 tubes (TiTBs) with excellent textural properties and diameters in the range from approx. 170 to 430 nm were obtained. The morphology and structure of all TiTBs were investigated by scanning and transmission electron microscopy (SEM and TEM), X-ray diffraction (XRD), and Brunauer-Emmett-Teller analysis (BET). Liquid phase photocatalysis was conducted to determine the photocatalytic activity of the TiTBs. The photocatalytic activity of the TiTBs obtained after 50 TiO2 ALD cycles (degradation rate 0.123 min-1) was twice that of the reference TiO2 P25. The underlying reasons for the remarkable photocatalytic performance were textural properties of the resulting tubes along with suitable crystallinity, embedded within the 1D tubular morphology. The herein presented proof-of-concept approach paves a way for the processing of various polymeric fibers into various tubular nanostructures.
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Affiliation(s)
- Martina Rihova
- Central European Institute of Technology, Brno University of Technology Purkynova 123 612 00 Brno Czech Republic
| | - Oksana Yurkevich
- CIC nanoGUNE BRTA Tolosa Hiribidea 76 E-20018 Donostia - San Sebastian Spain
| | - Martin Motola
- Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice Nam. Cs. Legii, 565 530 02 Pardubice Czech Republic
| | - Ludek Hromadko
- Central European Institute of Technology, Brno University of Technology Purkynova 123 612 00 Brno Czech Republic
- CIC nanoGUNE BRTA Tolosa Hiribidea 76 E-20018 Donostia - San Sebastian Spain
| | - Zdenek Spotz
- Central European Institute of Technology, Brno University of Technology Purkynova 123 612 00 Brno Czech Republic
| | - Raul Zazpe
- Central European Institute of Technology, Brno University of Technology Purkynova 123 612 00 Brno Czech Republic
- Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice Nam. Cs. Legii, 565 530 02 Pardubice Czech Republic
| | - Mato Knez
- CIC nanoGUNE BRTA Tolosa Hiribidea 76 E-20018 Donostia - San Sebastian Spain
- IKERBASQUE, Basque Foundation for Science Plaza Euskadi 5 E-48009 Bilbao Spain
| | - Jan M Macak
- Central European Institute of Technology, Brno University of Technology Purkynova 123 612 00 Brno Czech Republic
- Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice Nam. Cs. Legii, 565 530 02 Pardubice Czech Republic
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4
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Wu C, Zhang F, Xiao X, Chen J, Sun J, Gandla D, Ein-Eli Y, Tan DQ. Enhanced Electrochemical Performance of Supercapacitors via Atomic Layer Deposition of ZnO on the Activated Carbon Electrode Material. Molecules 2021; 26:molecules26144188. [PMID: 34299463 PMCID: PMC8306591 DOI: 10.3390/molecules26144188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/02/2021] [Accepted: 07/06/2021] [Indexed: 11/16/2022] Open
Abstract
Fabricating electrical double-layer capacitors (EDLCs) with high energy density for various applications has been of great interest in recent years. However, activated carbon (AC) electrodes are restricted to a lower operating voltage because they suffer from instability above a threshold potential window. Thus, they are limited in their energy storage. The deposition of inorganic compounds' atomic layer deposition (ALD) aiming to enhance cycling performance of supercapacitors and battery electrodes can be applied to the AC electrode materials. Here, we report on the investigation of zinc oxide (ZnO) coating strategy in terms of different pulse times of precursors, ALD cycles, and deposition temperatures to ensure high electrical conductivity and capacitance retention without blocking the micropores of the AC electrode. Crystalline ZnO phase with its optimal forming condition is obtained preferably using a longer precursor pulse time. Supercapacitors comprising AC electrodes coated with 20 cycles of ALD ZnO at 70 °C and operated in TEABF4/acetonitrile organic electrolyte show a specific capacitance of 23.13 F g-1 at 5 mA cm-2 and enhanced capacitance retention at 3.2 V, which well exceeds the normal working voltage of a commercial EDLC product (2.7 V). This work delivers an additional feasible approach of using ZnO ALD modification of AC materials, enhancing and promoting stable EDLC cells under high working voltages.
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Affiliation(s)
- Chongrui Wu
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
| | - Fuming Zhang
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
| | - Xiangshang Xiao
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
| | - Junyan Chen
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
| | - Junqi Sun
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
| | - Dayakar Gandla
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
| | - Yair Ein-Eli
- Department of Materials Science and Engineering and Grad Technion Energy Program (GTEP), Technion-Israel Institute of Technology, Haifa 3200003, Israel
- Correspondence: (Y.E.-E.); (D.Q.T.)
| | - Daniel Q. Tan
- Department of Materials Science and Engineering, Guangdong Technion Israel Institute of Technology, 241 Daxue Road, Jinping District, Shantou 515063, China; (C.W.); (F.Z.); (X.X.); (J.C.); (J.S.); (D.G.)
- Correspondence: (Y.E.-E.); (D.Q.T.)
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5
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Preparation, Functionalization, Modification, and Applications of Nanostructured Gold: A Critical Review. ENERGIES 2021. [DOI: 10.3390/en14051278] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Gold nanoparticles (Au NPs) play a significant role in science and technology because of their unique size, shape, properties and broad range of potential applications. This review focuses on the various approaches employed for the synthesis, modification and functionalization of nanostructured Au. The potential catalytic applications and their enhancement upon modification of Au nanostructures have also been discussed in detail. The present analysis also offers brief summaries of the major Au nanomaterials synthetic procedures, such as hydrothermal, solvothermal, sol-gel, direct oxidation, chemical vapor deposition, sonochemical deposition, electrochemical deposition, microwave and laser pyrolysis. Among the various strategies used for improving the catalytic performance of nanostructured Au, the modification and functionalization of nanostructured Au produced better results. Therefore, various synthesis, modification and functionalization methods employed for better catalytic outcomes of nanostructured Au have been summarized in this review.
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Smieszek A, Seweryn A, Marcinkowska K, Sikora M, Lawniczak-Jablonska K, Witkowski BS, Kuzmiuk P, Godlewski M, Marycz K. Titanium Dioxide Thin Films Obtained by Atomic Layer Deposition Promotes Osteoblasts' Viability and Differentiation Potential While Inhibiting Osteoclast Activity-Potential Application for Osteoporotic Bone Regeneration. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4817. [PMID: 33126628 PMCID: PMC7662580 DOI: 10.3390/ma13214817] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/20/2020] [Accepted: 10/26/2020] [Indexed: 12/17/2022]
Abstract
Atomic layer deposition (ALD) technology has started to attract attention as an efficient method for obtaining bioactive, ultrathin oxide coatings. In this study, using ALD, we have created titanium dioxide (TiO2) layers. The coatings were characterised in terms of physicochemical and biological properties. The chemical composition of coatings, as well as thickness, roughness, wettability, was determined using XPS, XRD, XRR. Cytocompatibillity of ALD TiO2 coatings was accessed applying model of mouse pre-osteoblast cell line MC3T3-E1. The accumulation of transcripts essential for bone metabolism (both mRNA and miRNA) was determined using RT-qPCR. Obtained ALD TiO2 coatings were characterised as amorphous and homogeneous. Cytocompatibility of the layers was expressed by proper morphology and growth pattern of the osteoblasts, as well as their increased viability, proliferative and metabolic activity. Simultaneously, we observed decreased activity of osteoclasts. Obtained coatings promoted expression of Opn, Coll-1, miR-17 and miR-21 in MC3T3-E1 cells. The results are promising in terms of the potential application of TiO2 coatings obtained by ALD in the field of orthopaedics, especially in terms of metabolic- and age-related bone diseases, including osteoporosis.
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Affiliation(s)
- Agnieszka Smieszek
- Department of Experimental Biology, Wroclaw University of Environmental and Life Sciences, Norwida St. 27 B, PL-50375 Wroclaw, Poland; (A.S.); (K.M.); (M.S.)
| | - Aleksandra Seweryn
- Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland; (K.L.-J.); (B.S.W.); (P.K.); (M.G.)
| | - Klaudia Marcinkowska
- Department of Experimental Biology, Wroclaw University of Environmental and Life Sciences, Norwida St. 27 B, PL-50375 Wroclaw, Poland; (A.S.); (K.M.); (M.S.)
| | - Mateusz Sikora
- Department of Experimental Biology, Wroclaw University of Environmental and Life Sciences, Norwida St. 27 B, PL-50375 Wroclaw, Poland; (A.S.); (K.M.); (M.S.)
| | - Krystyna Lawniczak-Jablonska
- Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland; (K.L.-J.); (B.S.W.); (P.K.); (M.G.)
| | - Bartlomiej. S. Witkowski
- Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland; (K.L.-J.); (B.S.W.); (P.K.); (M.G.)
| | - Piotr Kuzmiuk
- Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland; (K.L.-J.); (B.S.W.); (P.K.); (M.G.)
| | - Marek Godlewski
- Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland; (K.L.-J.); (B.S.W.); (P.K.); (M.G.)
| | - Krzysztof Marycz
- International Institute of Translational Medicine, Jesionowa 11 Street, 55-124 Malin, Poland
- Collegium Medicum, Institute of Medical Science, Cardinal Stefan Wyszynski University (UKSW), Wóycickiego 1/3, 01-938 Warsaw, Poland
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7
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Karimzadeh S, Safaei B, Jen TC. Investigate the importance of mechanical properties of SWCNT on doxorubicin anti-cancer drug adsorption for medical application: A molecular dynamic study. J Mol Graph Model 2020; 101:107745. [PMID: 32977299 DOI: 10.1016/j.jmgm.2020.107745] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/07/2020] [Accepted: 09/01/2020] [Indexed: 02/07/2023]
Affiliation(s)
- Sina Karimzadeh
- Department of Mechanical Engineering Science, University of Johannesburg, Gauteng, 2006, South Africa.
| | - Babak Safaei
- Department of Mechanical Engineering, Eastern Mediterranean University, Famagusta, North Cyprus via Mersin 10, Turkey.
| | - Tien-Chien Jen
- Department of Mechanical Engineering Science, University of Johannesburg, Gauteng, 2006, South Africa.
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8
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Zhang X, Zhou J, Cheng J, Zhu J, He D. ZnO-assisted coating of tetracalcium phosphate/ gelatin on the polyethylene terephthalate woven nets by atomic layer deposition. E-POLYMERS 2020. [DOI: 10.1515/epoly-2020-0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A new kind of coating consisting of zinc oxide (ZnO)/tetracalcium phosphate (TTCP)/gelatin (Gel) on the PET woven nets is prepared chemically by the method of atomic layer deposition (ALD) and hydrothermal method. The prepared materials are confirmed by XRD and SEM. XRD results show that ZnO and TTCP are well coated on the surface of PET woven nets and ALD-assisted ZnO leads to a surprising coating adhesion of about 8 MPa. Furthermore, SEM results indicate the diameter and morphology of ZnO, TTCP and Gel of PET woven nets. And the water contact angles of PET’s surface are decreased with ZnO, TTCP and Gel of PET woven nets. Moreover, the confocal imaging of NIH3T3 cells shows that the obtained product could promote the cells proliferation, which indicates that the good biocompatibility of the prepared PET/ZnO/TTCP/ Gel woven builds a foundation for their future application. The results aim to obtain an efficient method to modify PET for fabricating an ideal artificial implant meeting the clinical needs, and imply a positive effect in promoting the compatibility of PET for enhancing graft-bone healing after implantation.
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Affiliation(s)
- Xinyi Zhang
- School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Road , Shanghai 200240 , P. R. China
| | - Juan Zhou
- National Engineering Research Center for Nanotechnology , 28 East Jiangchuan Road , Shanghai 200241 , P. R. China
| | - Jiejun Cheng
- Department of Radiology, Shanghai Renji Hospital , Shanghai Jiao Tong University School of Medicine , 1630 Dongfang Rd , Shanghai 200127 , P. R. China
| | - Jun Zhu
- National Engineering Research Center for Nanotechnology , 28 East Jiangchuan Road , Shanghai 200241 , P. R. China
| | - Dannong He
- School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Road , Shanghai 200240 , P. R. China
- National Engineering Research Center for Nanotechnology , 28 East Jiangchuan Road , Shanghai 200241 , P. R. China
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9
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García-García S, López-Ortega A, Zheng Y, Nie Y, Cho K, Chuvilin A, Knez M. Ligand-induced reduction concerted with coating by atomic layer deposition on the example of TiO 2-coated magnetite nanoparticles. Chem Sci 2019; 10:2171-2178. [PMID: 30881641 PMCID: PMC6385483 DOI: 10.1039/c8sc04474k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 12/16/2018] [Indexed: 11/21/2022] Open
Abstract
Atomic layer deposition is a chemical deposition technology that provides ultimate control over the conformality of films and their thickness, even down to Ångström-scale precision. Based on the marked superficial character and gas phase process of the technique, metal sources and their ligands shall ideally be highly volatile. However, in numerous cases those ligands corrode the substrate or compete for adsorption sites, well-known as side reactions of these processes. Therefore, the ability to control such side reactions might be of great interest, since it could achieve synchronous coating and alteration of a substrate in one process, saving time and energy otherwise needed for a post-treatment of the sample. Consequently, advances in this way must require understanding and control of the chemical processes that occur during the coating. In this work, we show how choosing an appropriate ligand of the metal source can unveil a novel approach to concertedly coat and reduce γ-Fe2O3 nanoparticles to form a final product composed of Fe3O4/TiO2 core/shell nanoparticles. To this aim, we envisage that appropriate design of precursors and selection of substrates will pave the way for numerous new compositions, while the ALD process itself allows for easy upscaling to large amounts of coated and reduced particles for industrial use.
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Affiliation(s)
- Sarai García-García
- CIC nanoGUNE , Tolosa Hiribidea 76 , 20018 Donostia-San Sebastián , Spain . ;
| | | | - Yongping Zheng
- Department of Materials Science and Engineering , University of Texas at Dallas , Richardson , Texas 75080 , USA
| | - Yifan Nie
- Department of Materials Science and Engineering , University of Texas at Dallas , Richardson , Texas 75080 , USA
| | - Kyeongjae Cho
- Department of Materials Science and Engineering , University of Texas at Dallas , Richardson , Texas 75080 , USA
| | - Andrey Chuvilin
- CIC nanoGUNE , Tolosa Hiribidea 76 , 20018 Donostia-San Sebastián , Spain . ;
- IKERBASQUE , Basque Foundation for Science , Maria Diaz de Haro 3 , 48013 Bilbao , Spain
| | - Mato Knez
- CIC nanoGUNE , Tolosa Hiribidea 76 , 20018 Donostia-San Sebastián , Spain . ;
- IKERBASQUE , Basque Foundation for Science , Maria Diaz de Haro 3 , 48013 Bilbao , Spain
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10
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Application of Plant Viruses as a Biotemplate for Nanomaterial Fabrication. Molecules 2018; 23:molecules23092311. [PMID: 30208562 PMCID: PMC6225259 DOI: 10.3390/molecules23092311] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/01/2018] [Accepted: 09/04/2018] [Indexed: 01/08/2023] Open
Abstract
Viruses are widely used to fabricate nanomaterials in the field of nanotechnology. Plant viruses are of great interest to the nanotechnology field because of their symmetry, polyvalency, homogeneous size distribution, and ability to self-assemble. This homogeneity can be used to obtain the high uniformity of the templated material and its related properties. In this paper, the variety of nanomaterials generated in rod-like and spherical plant viruses is highlighted for the cowpea chlorotic mottle virus (CCMV), cowpea mosaic virus (CPMV), brome mosaic virus (BMV), and tobacco mosaic virus (TMV). Their recent studies on developing nanomaterials in a wide range of applications from biomedicine and catalysts to biosensors are reviewed.
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11
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Lidor-shalev O, Carmiel Y, Pliatsikas N, Patsalas P, Mastai Y. Atomic layer deposition of metal-oxide thin films on cellulose fibers. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1493201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Ortal Lidor-shalev
- Department of Chemistry, The Institute for Nanotechnology, Advanced Materials Bar-Ilan University, Ramat-Gan, Israel
| | - Yacov Carmiel
- Department of Chemistry, The Institute for Nanotechnology, Advanced Materials Bar-Ilan University, Ramat-Gan, Israel
| | - Nikolaos Pliatsikas
- Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Panos Patsalas
- Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Yitzhak Mastai
- Department of Chemistry, The Institute for Nanotechnology, Advanced Materials Bar-Ilan University, Ramat-Gan, Israel
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12
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Manuguri S, Webster K, Yewdall NA, An Y, Venugopal H, Bhugra V, Turner A, Domigan LJ, Gerrard JA, Williams DE, Malmström J. Assembly of Protein Stacks With in Situ Synthesized Nanoparticle Cargo. NANO LETTERS 2018; 18:5138-5145. [PMID: 30047268 DOI: 10.1021/acs.nanolett.8b02055] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The ability of proteins to form hierarchical structures through self-assembly provides an opportunity to synthesize and organize nanoparticles. Ordered nanoparticle assemblies are a subject of widespread interest due to the potential to harness their emergent functions. In this work, the toroidal-shaped form of the protein peroxiredoxin, which has a pore size of 7 nm, was used to organize iron oxyhydroxide nanoparticles. Iron in the form of Fe2+ was sequestered into the central cavity of the toroid ring using metal-binding sites engineered there and then hydrolyzed to form iron oxyhydroxide particles bound into the protein pore. By precise manipulation of the pH, the mineralized toroids were organized into stacks confining one-dimensional nanoparticle assemblies. We report the formation and the procedures leading to the formation of such nanostructures and their characterization by chromatography and microscopy. Electrostatic force microscopy clearly revealed the formation of iron-containing nanorods as a result of the self-assembly of the iron-loaded protein. This research bodes well for the use of peroxiredoxin as a template with which to form nanowires and structures for electronic and magnetic applications.
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Affiliation(s)
- Sesha Manuguri
- MacDiarmid Institute for Advanced Materials and Nanotechnology , 6140 Wellington , New Zealand
| | | | - N Amy Yewdall
- Biomolecular Interaction Centre and School of Biological Sciences , University of Canterbury , Christchurch 8140 , New Zealand
| | | | | | - Vaibhav Bhugra
- MacDiarmid Institute for Advanced Materials and Nanotechnology , 6140 Wellington , New Zealand
| | | | - Laura J Domigan
- MacDiarmid Institute for Advanced Materials and Nanotechnology , 6140 Wellington , New Zealand
| | - Juliet A Gerrard
- MacDiarmid Institute for Advanced Materials and Nanotechnology , 6140 Wellington , New Zealand
| | - David E Williams
- MacDiarmid Institute for Advanced Materials and Nanotechnology , 6140 Wellington , New Zealand
| | - Jenny Malmström
- MacDiarmid Institute for Advanced Materials and Nanotechnology , 6140 Wellington , New Zealand
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13
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Rodríguez RE, Agarwal SP, An S, Kazyak E, Das D, Shang W, Skye R, Deng T, Dasgupta NP. Biotemplated Morpho Butterfly Wings for Tunable Structurally Colored Photocatalysts. ACS APPLIED MATERIALS & INTERFACES 2018; 10:4614-4621. [PMID: 29337532 DOI: 10.1021/acsami.7b14383] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Morpho sulkowskyi butterfly wings contain naturally occurring hierarchical nanostructures that produce structural coloration. The high aspect ratio and surface area of these wings make them attractive nanostructured templates for applications in solar energy and photocatalysis. However, biomimetic approaches to replicate their complex structural features and integrate functional materials into their three-dimensional framework are highly limited in precision and scalability. Herein, a biotemplating approach is presented that precisely replicates Morpho nanostructures by depositing nanocrystalline ZnO coatings onto wings via low-temperature atomic layer deposition (ALD). This study demonstrates the ability to precisely tune the natural structural coloration while also integrating multifunctionality by imparting photocatalytic activity onto fully intact Morpho wings. Optical spectroscopy and finite-difference time-domain numerical modeling demonstrate that ALD ZnO coatings can rationally tune the structural coloration across the visible spectrum. These structurally colored photocatalysts exhibit an optimal coating thickness to maximize photocatalytic activity, which is attributed to trade-offs between light absorption and catalytic quantum yield with increasing coating thickness. These multifunctional photocatalysts present a new approach to integrating solar energy harvesting into visually attractive surfaces that can be integrated into building facades or other macroscopic structures to impart aesthetic appeal.
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Affiliation(s)
- Robin E Rodríguez
- Department of Mechanical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Sneha P Agarwal
- Department of Mechanical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Shun An
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Eric Kazyak
- Department of Mechanical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Debashree Das
- Department of Mechanical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Wen Shang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Rachael Skye
- Department of Mechanical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Tao Deng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Neil P Dasgupta
- Department of Mechanical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
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14
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Chen H, Wu S, Jia X, Xiong S, Wang Y. Atomic layer deposition fabricating of ceramic nanofiltration membranes for efficient separation of dyes from water. AIChE J 2018. [DOI: 10.1002/aic.16097] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- He Chen
- State Key Laboratory of Materials‐Oriented Chemical Engineering, College of Chemical EngineeringNanjing Tech UniversityNanjing 210009 P.R. China
| | - Shanshan Wu
- State Key Laboratory of Materials‐Oriented Chemical Engineering, College of Chemical EngineeringNanjing Tech UniversityNanjing 210009 P.R. China
| | - Xiaojuan Jia
- State Key Laboratory of Materials‐Oriented Chemical Engineering, College of Chemical EngineeringNanjing Tech UniversityNanjing 210009 P.R. China
| | - Sen Xiong
- State Key Laboratory of Materials‐Oriented Chemical Engineering, College of Chemical EngineeringNanjing Tech UniversityNanjing 210009 P.R. China
| | - Yong Wang
- State Key Laboratory of Materials‐Oriented Chemical Engineering, College of Chemical EngineeringNanjing Tech UniversityNanjing 210009 P.R. China
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15
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Guo J, Van Bui H, Valdesueiro D, Yuan S, Liang B, van Ommen JR. Suppressing the Photocatalytic Activity of TiO₂ Nanoparticles by Extremely Thin Al₂O₃ Films Grown by Gas-Phase Deposition at Ambient Conditions. NANOMATERIALS 2018; 8:nano8020061. [PMID: 29364840 PMCID: PMC5853694 DOI: 10.3390/nano8020061] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 01/17/2018] [Accepted: 01/19/2018] [Indexed: 01/09/2023]
Abstract
This work investigated the suppression of photocatalytic activity of titanium dioxide (TiO2) pigment powders by extremely thin aluminum oxide (Al2O3) films deposited via an atomic-layer-deposition-type process using trimethylaluminum (TMA) and H2O as precursors. The deposition was performed on multiple grams of TiO2 powder at room temperature and atmospheric pressure in a fluidized bed reactor, resulting in the growth of uniform and conformal Al2O3 films with thickness control at sub-nanometer level. The as-deposited Al2O3 films exhibited excellent photocatalytic suppression ability. Accordingly, an Al2O3 layer with a thickness of 1 nm could efficiently suppress the photocatalytic activities of rutile, anatase, and P25 TiO2 nanoparticles without affecting their bulk optical properties. In addition, the influence of high-temperature annealing on the properties of the Al2O3 layers was investigated, revealing the possibility of achieving porous Al2O3 layers. Our approach demonstrated a fast, efficient, and simple route to coating Al2O3 films on TiO2 pigment powders at the multigram scale, and showed great potential for large-scale production development.
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Affiliation(s)
- Jing Guo
- Product & Process Engineering, Department of Chemical Engineering, Faculty of Applied Sciences, Delft University of Technology, 2629 HZ Delft, The Netherlands.
- Multi-Phase Mass Transfer & Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China.
- Shanxi Province Key Laboratory of Higee-Oriented Chemical Engineering, North University of China, Taiyuan 030051, China.
| | - Hao Van Bui
- Product & Process Engineering, Department of Chemical Engineering, Faculty of Applied Sciences, Delft University of Technology, 2629 HZ Delft, The Netherlands.
- Department of Physics, Quy Nhon University, 170 An Duong Vuong Street, Quy Nhon City 590000, Vietnam.
| | - David Valdesueiro
- Product & Process Engineering, Department of Chemical Engineering, Faculty of Applied Sciences, Delft University of Technology, 2629 HZ Delft, The Netherlands.
- Delft IMP B.V., Molengraaffsingel 10, 2629 JD Delft, The Netherlands.
| | - Shaojun Yuan
- Multi-Phase Mass Transfer & Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China.
| | - Bin Liang
- Multi-Phase Mass Transfer & Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China.
| | - J Ruud van Ommen
- Product & Process Engineering, Department of Chemical Engineering, Faculty of Applied Sciences, Delft University of Technology, 2629 HZ Delft, The Netherlands.
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16
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Ma D, Zhang J, Zhang C, Men Y, Sun H, Li LY, Yi L, Xi Z. A highly efficient dual-diazonium reagent for protein crosslinking and construction of a virus-based gel. Org Biomol Chem 2018; 16:3353-3357. [DOI: 10.1039/c8ob00169c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A highly efficient strategy is developed to construct a new hydrogel using tobacco mosaic virus and a new bench-stable diazonium reagent.
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Affiliation(s)
- Dejun Ma
- State Key Laboratory of Medicinal Chemical Biology
- Nankai University
- Tianjin
- China
| | - Jie Zhang
- State Key Laboratory of Organic–Inorganic Composites and Beijing Key Laboratory of Bioprocess
- Beijing University of Chemical Technology
- Beijing 100029
- China
- Department of Chemistry
| | - Changyu Zhang
- State Key Laboratory of Organic–Inorganic Composites and Beijing Key Laboratory of Bioprocess
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Yuwen Men
- State Key Laboratory of Organic–Inorganic Composites and Beijing Key Laboratory of Bioprocess
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Hongyan Sun
- Department of Chemistry
- City University of Hong Kong
- Kowloon
- P. R. China
| | - Lu-Yuan Li
- State Key Laboratory of Medicinal Chemical Biology
- Nankai University
- Tianjin
- China
| | - Long Yi
- State Key Laboratory of Organic–Inorganic Composites and Beijing Key Laboratory of Bioprocess
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology
- National Pesticide Engineering Research Center (Tianjin)
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- Nankai University
- Tianjin
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17
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Zhang S, Zhang B, Liang H, Liu Y, Qiao Y, Qin Y. Encapsulation of Homogeneous Catalysts in Mesoporous Materials Using Diffusion-Limited Atomic Layer Deposition. Angew Chem Int Ed Engl 2017; 57:1091-1095. [DOI: 10.1002/anie.201712010] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Shufang Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Bin Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Haojie Liang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Yequn Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yan Qiao
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yong Qin
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
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18
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Zhang S, Zhang B, Liang H, Liu Y, Qiao Y, Qin Y. Encapsulation of Homogeneous Catalysts in Mesoporous Materials Using Diffusion-Limited Atomic Layer Deposition. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201712010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Shufang Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Bin Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Haojie Liang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Yequn Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yan Qiao
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yong Qin
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
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19
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Emran MY, Mekawy M, Akhtar N, Shenashen MA, El-Sewify IM, Faheem A, El-Safty SA. Broccoli-shaped biosensor hierarchy for electrochemical screening of noradrenaline in living cells. Biosens Bioelectron 2017; 100:122-131. [PMID: 28886456 DOI: 10.1016/j.bios.2017.08.050] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 08/21/2017] [Accepted: 08/22/2017] [Indexed: 01/26/2023]
Abstract
Monitoring and determination of ultra-trace concentrations of monoamine neurotransmitter such as noradrenaline (NA) in living cells with simple, sensitive and selective assays are significantly interesting. We design NA-electrode sensing system based on C-, N-doped NiO broccoli-like hierarchy (CNNB). The spherical broccoli-head umbrella architectures associated with nano-tubular arrangements enabled to tailor NA biosensor design. The homogenous doping and anisotropic dispersion of CN nanospheres along the entire NB head nanotubes lead to creating of abundant electroactive sites in the interior tubular vessels and outer surfaces for ultrasensitive detection of NA in living cells such as PC12. The CNNB biosensor electrodes showed efficient electrocatalytic activity, enhanced kinetics for electrooxidation of NA, and fast electron-transfer between electrode-electrolyte interface surfaces, enabling synergistic enhancement in sensitivity, and selectivity at a low-detectable concentration of ∼ 6nM and reproducibility of broccoli-shaped NA-electrodes. The integrated CNNB biosensor electrodes showed evidence of monitoring and screening of NA released from PC12 cells under K+ ion-extracellular stimulation process. The unique features of CNNB in terms of NA-selectivity among multi-competitive components, long-term stability during the detection of NA may open their practical, in-vitro application for extracellular monoamine neurotransmitters detection in living cells.
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Affiliation(s)
- Mohammed Y Emran
- National Institute for Materials Science (NIMS), Research Center for Functional Materials, 1-2-1 Sengen, Tsukuba-shi, Ibaraki-ken 305-0047, Japan
| | - Moataz Mekawy
- National Institute for Materials Science (NIMS), Research Center for Functional Materials, 1-2-1 Sengen, Tsukuba-shi, Ibaraki-ken 305-0047, Japan
| | - Naeem Akhtar
- National Institute for Materials Science (NIMS), Research Center for Functional Materials, 1-2-1 Sengen, Tsukuba-shi, Ibaraki-ken 305-0047, Japan
| | - Mohamed A Shenashen
- National Institute for Materials Science (NIMS), Research Center for Functional Materials, 1-2-1 Sengen, Tsukuba-shi, Ibaraki-ken 305-0047, Japan
| | - Islam M El-Sewify
- National Institute for Materials Science (NIMS), Research Center for Functional Materials, 1-2-1 Sengen, Tsukuba-shi, Ibaraki-ken 305-0047, Japan
| | - Ahmed Faheem
- School of Pharmacy and Pharmaceutical Sciences, Faculty of Health Sciences and Wellbeing, University of Sunderland, Sunderland SR1 3SD, UK
| | - Sherif A El-Safty
- National Institute for Materials Science (NIMS), Research Center for Functional Materials, 1-2-1 Sengen, Tsukuba-shi, Ibaraki-ken 305-0047, Japan.
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20
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Valdesueiro D, Hettinga H, Drijfhout JP, Lips P, Meesters GM, Kreutzer MT, Ruud van Ommen J. Tuning roughness and gloss of powder coating paint by encapsulating the coating particles with thin Al 2 O 3 films. POWDER TECHNOL 2017. [DOI: 10.1016/j.powtec.2017.05.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Lidor-Shalev O, Pliatsikas N, Carmiel Y, Patsalas P, Mastai Y. Chiral Metal-Oxide Nanofilms by Cellulose Template Using Atomic Layer Deposition Process. ACS NANO 2017; 11:4753-4759. [PMID: 28430409 DOI: 10.1021/acsnano.7b01051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this article, we describe an advance approach for the fabrication of chiral metal-oxide nanofilms. Our approach is based on the atomic layer deposition of titania and alumina nanofilms onto cellulose microfibers, used as chiral templates, leading to the formation of chiral nanofilms with a spatial fibrous structure. The chiral nanofilms were extensively characterized by X-ray photoelectron spectroscopy and high-resolution electron microscopy. The chiral property of the produced titania nanofilms was studied by enantioselective adsorption experiments using circular-dichroism spectroscopy and chiral high-performance liquid chromatography. We demonstrate the application of the titania chiral nanofilms for enantioselective crystallization. Overall, the basic principle for the preparation of chiral nanofilms by atomic layer deposition is demonstrated, as well as their uses for several enantioselective applications.
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Affiliation(s)
- Ortal Lidor-Shalev
- Department of Chemistry and the Institute for Nanotechnology and Advanced Materials Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Nikolaos Pliatsikas
- Department of Physics, Aristotle University of Thessaloniki , Thessaloniki 54124, Greece
| | - Yacov Carmiel
- Department of Chemistry and the Institute for Nanotechnology and Advanced Materials Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Panos Patsalas
- Department of Physics, Aristotle University of Thessaloniki , Thessaloniki 54124, Greece
| | - Yitzhak Mastai
- Department of Chemistry and the Institute for Nanotechnology and Advanced Materials Bar-Ilan University , Ramat-Gan 5290002, Israel
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22
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Narayanan KB, Han SS. Helical plant viral nanoparticles-bioinspired synthesis of nanomaterials and nanostructures. BIOINSPIRATION & BIOMIMETICS 2017; 12:031001. [PMID: 28524069 DOI: 10.1088/1748-3190/aa6bfd] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Viral nanotechnology is revolutionizing the biomimetic and bioinspired synthesis of novel nanomaterials. Bottom-up nanofabrication by self-assembly of individual molecular components of elongated viral nanoparticles (VNPs) and virus-like particles (VLPs) has resulted in the production of superior materials and structures in the nano(bio)technological fields. Viral capsids are attractive materials, because of their symmetry, monodispersity, and polyvalency. Helical VNPs/VLPs are unique prefabricated nanoscaffolds with large surface area to volume ratios and high aspect ratios, and enable the construction of exquisite supramolecular nanostructures. This review discusses the genetic and chemical modifications of outer, inner, and interface surfaces of a viral protein cage that will almost certainly lead to the development of superior next-generation targeted drug delivery and imaging systems, biosensors, energy storage and optoelectronic devices, therapeutics, and catalysts.
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Affiliation(s)
- Kannan Badri Narayanan
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea. Department of Nano, Medical & Polymer Materials, College of Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea
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23
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Kääriäinen TO, Kemell M, Vehkamäki M, Kääriäinen ML, Correia A, Santos HA, Bimbo LM, Hirvonen J, Hoppu P, George SM, Cameron DC, Ritala M, Leskelä M. Surface modification of acetaminophen particles by atomic layer deposition. Int J Pharm 2017; 525:160-174. [PMID: 28432020 DOI: 10.1016/j.ijpharm.2017.04.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/12/2017] [Accepted: 04/13/2017] [Indexed: 12/25/2022]
Abstract
Active pharmaceutical ingredients (APIs) are predominantly organic solid powders. Due to their bulk properties many APIs require processing to improve pharmaceutical formulation and manufacturing in the preparation for various drug dosage forms. Improved powder flow and protection of the APIs are often anticipated characteristics in pharmaceutical manufacturing. In this work, we have modified acetaminophen particles with atomic layer deposition (ALD) by conformal nanometer scale coatings in a one-step coating process. According to the results, ALD, utilizing common chemistries for Al2O3, TiO2 and ZnO, is shown to be a promising coating method for solid pharmaceutical powders. Acetaminophen does not undergo degradation during the ALD coating process and maintains its stable polymorphic structure. Acetaminophen with nanometer scale ALD coatings shows slowed drug release. ALD TiO2 coated acetaminophen particles show cytocompatibility whereas those coated with thicker ZnO coatings exhibit the most cytotoxicity among the ALD materials under study when assessed in vitro by their effect on intestinal Caco-2 cells.
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Affiliation(s)
- Tommi O Kääriäinen
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland; Department of Chemistry and Biochemistry and Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309, United States; NovaldMedical Ltd Oy, Telkäntie 5, 82500 Kitee, Finland.
| | - Marianna Kemell
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
| | - Marko Vehkamäki
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
| | - Marja-Leena Kääriäinen
- Department of Chemistry and Biochemistry and Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309, United States; NovaldMedical Ltd Oy, Telkäntie 5, 82500 Kitee, Finland
| | - Alexandra Correia
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Hélder A Santos
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Luis M Bimbo
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Jouni Hirvonen
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Pekka Hoppu
- NovaldMedical Ltd Oy, Telkäntie 5, 82500 Kitee, Finland
| | - Steven M George
- Department of Chemistry and Biochemistry and Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309, United States
| | - David C Cameron
- R&D Centre for Low-Cost Plasma and Nanotechnology Surface Modification, Masaryk University, Kotlářská 267/2, 611 37 Brno, Czech Republic
| | - Mikko Ritala
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
| | - Markku Leskelä
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
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24
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Shalev OL, Carmiel Y, Gottesman R, Tirosh S, Mastai Y. Chiral templating of alumina nanofilms by the atomic layer deposition process. Chem Commun (Camb) 2016; 52:12072-12075. [PMID: 27709216 DOI: 10.1039/c6cc05892b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this communication, we describe the synthesis of new chiral alumina nanofilms and surfaces. Our method is based on chiral templating of alumina nanofilms by cellulose microfibers using the atomic layer deposition process. The chiral nature of the alumina nanofilms was characterized by a variety of techniques, such as quartz crystal microbalance, chiral circular-dichroism adsorption, chiral high-performance liquid chromatography and cyclic voltammetry measurements.
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Affiliation(s)
- O L Shalev
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat Gan, 5290002, Israel.
| | - Y Carmiel
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat Gan, 5290002, Israel.
| | - R Gottesman
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat Gan, 5290002, Israel.
| | - S Tirosh
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat Gan, 5290002, Israel.
| | - Y Mastai
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat Gan, 5290002, Israel.
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25
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Guan C, Wang J. Recent Development of Advanced Electrode Materials by Atomic Layer Deposition for Electrochemical Energy Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2016; 3:1500405. [PMID: 27840793 PMCID: PMC5095880 DOI: 10.1002/advs.201500405] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/14/2016] [Indexed: 05/05/2023]
Abstract
Electrode materials play a decisive role in almost all electrochemical energy storage devices, determining their overall performance. Proper selection, design and fabrication of electrode materials have thus been regarded as one of the most critical steps in achieving high electrochemical energy storage performance. As an advanced nanotechnology for thin films and surfaces with conformal interfacial features and well controllable deposition thickness, atomic layer deposition (ALD) has been successfully developed for deposition and surface modification of electrode materials, where there are considerable issues of interfacial and surface chemistry at atomic and nanometer scale. In addition, ALD has shown great potential in construction of novel nanostructured active materials that otherwise can be hardly obtained by other processing techniques, such as those solution-based processing and chemical vapor deposition (CVD) techniques. This review focuses on the recent development of ALD for the design and delivery of advanced electrode materials in electrochemical energy storage devices, where typical examples will be highlighted and analyzed, and the merits and challenges of ALD for applications in energy storage will also be discussed.
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Affiliation(s)
- Cao Guan
- Department of Materials Science and EngineeringNational University of SingaporeSingapore117574Singapore
| | - John Wang
- Department of Materials Science and EngineeringNational University of SingaporeSingapore117574Singapore
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26
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Federici S, Padovani F, Poli M, Rodriguez FC, Arosio P, Depero LE, Bergese P. Energetics of surface confined ferritin during iron loading. Colloids Surf B Biointerfaces 2016; 145:520-525. [DOI: 10.1016/j.colsurfb.2016.05.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 05/06/2016] [Accepted: 05/16/2016] [Indexed: 12/22/2022]
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27
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Zhang Y, Ardejani MS, Orner BP. Design and Applications of Protein-Cage-Based Nanomaterials. Chem Asian J 2016; 11:2814-2828. [DOI: 10.1002/asia.201600769] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Yu Zhang
- Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; Nanjing 210037 P.R. China
| | - Maziar S. Ardejani
- Department of Chemistry; The Scripps Research Institute; La Jolla CA 92037 United States
| | - Brendan P. Orner
- Department of Chemistry; King's College London; London SE1 1DB United Kingdom
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28
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Ghazaryan L, Kley EB, Tünnermann A, Szeghalmi A. Nanoporous SiO2 thin films made by atomic layer deposition and atomic etching. NANOTECHNOLOGY 2016; 27:255603. [PMID: 27176497 DOI: 10.1088/0957-4484/27/25/255603] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A new route to prepare nanoporous SiO2 films by mixing atomic-layer-deposited alumina and silica in an Å-scale is presented. The selective removal of Al2O3 from the composites using wet chemical etching with phosphoric acid resulted in nanoporous thin SiO2 layers. A diffusion-controlled dissolution mechanism is identified whereby an interesting reorganization of the residual SiO2 is observed. The atomic scale oxide mixing is decisive in attaining and tailoring the film porosity. The porosity and the refractive index of nanoporous silica films were tailored from 9% to 69% and from 1.40 to 1.13, respectively. The nanoporous silica was successfully employed as antireflection coatings and as diffusion membranes to encapsulate nanostructures.
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Affiliation(s)
- Lilit Ghazaryan
- Institute of Applied Physics, Abbe Center of Photonics, Albert-Einstein-Straße 15, D-07745, Jena, Germany
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29
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Vilona D, Di Lorenzo R, Carraro M, Licini G, Trainotti L, Bonchio M. Viral nano-hybrids for innovative energy conversion and storage schemes. J Mater Chem B 2015; 3:6718-6730. [PMID: 32262464 DOI: 10.1039/c5tb00924c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Typical rod-like viruses (the Tobacco Mosaic Virus (TMV) and the Bacteriophage M13) are biological nanostructures that couple a 1D mono-dispersed morphology with a precisely defined topology of surface spaced and orthogonal reactive domains. These biogenic scaffolds offer a unique alternative to synthetic nano-platforms for the assembly of functional molecules and materials. Spatially resolved 1D arrays of inorganic-organic hybrid domains can thus be obtained on viral nano-templates resulting in the functional arrangement of photo-triggers and catalytic sites with applications in light energy conversion and storage. Different synthetic strategies are herein highlighted depending on the building blocks and with a particular emphasis on the molecular design of viral-templated nano-interfaces holding great potential for the dream-goal of artificial photosynthesis.
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Affiliation(s)
- D Vilona
- CNR-ITM and Department of Chemical Sciences, University of Padova, via F. Marzolo 1, 35131 Padova, Italy.
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Ma D, Xie Y, Zhang J, Ouyang D, Yi L, Xi Z. Self-assembled controllable virus-like nanorods as templates for construction of one-dimensional organic–inorganic nanocomposites. Chem Commun (Camb) 2014; 50:15581-4. [DOI: 10.1039/c4cc07057g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Chen HS, Chen PH, Kuo JL, Hsueh YC, Perng TP. TiO2hollow fibers with internal interconnected nanotubes prepared by atomic layer deposition for improved photocatalytic activity. RSC Adv 2014. [DOI: 10.1039/c4ra06807f] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Wang J, Huang G, Mei Y. Modification and Resonance Tuning of Optical Microcavities by Atomic Layer Deposition. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/cvde.201300054] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jiao Wang
- Department of Materials Science; Fudan University; Shanghai 200433 (P. R. China)
| | - Gaoshan Huang
- Department of Materials Science; Fudan University; Shanghai 200433 (P. R. China)
| | - Yongfeng Mei
- Department of Materials Science; Fudan University; Shanghai 200433 (P. R. China)
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Huang CW, Chen JY, Chiu CH, Wu WW. Revealing controllable nanowire transformation through cationic exchange for RRAM application. NANO LETTERS 2014; 14:2759-63. [PMID: 24742102 DOI: 10.1021/nl500749q] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
One dimensional metal oxide nanostructures have attracted much attention owing to their fascinating functional properties. Among them, piezoelectricity and photocatalysts along with their related materials have stirred significant interests and widespread studies in recent years. In this work, we successfully transformed piezoelectric ZnO into photocatalytic TiO2 and formed TiO2/ZnO axial heterostructure nanowires with flat interfaces by solid to solid cationic exchange reactions in high vacuum (approximately 10(-8) Torr) transmission electron microscope (TEM). Kinetic behavior of the single crystalline TiO2 was systematically analyzed. The nanoscale growth rate of TiO2 has been measured using in situ TEM videos. On the basis of the rate, we can control the dimensions of the axial-nanoheterostructure. In addition, the unique Pt/ ZnO / TiO2/ ZnO /Pt heterostructures with complementary resistive switching (CRS) characteristics were designed to solve the important issue of sneak-peak current. The resistive switching behavior was attributed to the migration of oxygen and TiO2 layer served as reservoir, which was confirmed by energy dispersive spectrometry (EDS) analysis. This study not only supplied a distinct method to explore the transformation mechanisms but also exhibited the potential application of ZnO/TiO2 heterostructure in nanoscale crossbar array resistive random-access memory (RRAM).
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Affiliation(s)
- Chun-Wei Huang
- Department of Materials Science and Engineering, National Chiao Tung University , Hsinchu 300, Taiwan
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Ceylan H, Ozgit-Akgun C, Erkal TS, Donmez I, Garifullin R, Tekinay AB, Usta H, Biyikli N, Guler MO. Size-controlled conformal nanofabrication of biotemplated three-dimensional TiO₂ and ZnO nanonetworks. Sci Rep 2014; 3:2306. [PMID: 23892593 PMCID: PMC3725508 DOI: 10.1038/srep02306] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Accepted: 07/12/2013] [Indexed: 11/18/2022] Open
Abstract
A solvent-free fabrication of TiO2 and ZnO nanonetworks is demonstrated by using supramolecular nanotemplates with high coating conformity, uniformity, and atomic scale size control. Deposition of TiO2 and ZnO on three-dimensional nanofibrous network template is accomplished. Ultrafine control over nanotube diameter allows robust and systematic evaluation of the electrochemical properties of TiO2 and ZnO nanonetworks in terms of size-function relationship. We observe hypsochromic shift in UV absorbance maxima correlated with decrease in wall thickness of the nanotubes. Photocatalytic activities of anatase TiO2 and hexagonal wurtzite ZnO nanonetworks are found to be dependent on both the wall thickness and total surface area per unit of mass. Wall thickness has effect on photoexcitation properties of both TiO2 and ZnO due to band gap energies and total surface area per unit of mass. The present work is a successful example that concentrates on nanofabrication of intact three-dimensional semiconductor nanonetworks with controlled band gap energies.
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Affiliation(s)
- Hakan Ceylan
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Turkey
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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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Schreiber A, Schiller SM. Nanobiotechnology of protein-based compartments: steps toward nanofactories. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2013. [DOI: 10.1680/bbn.13.00008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Production of platinum atom nanoclusters at one end of helical plant viruses. Adv Virol 2013; 2013:746796. [PMID: 24187551 PMCID: PMC3800660 DOI: 10.1155/2013/746796] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Accepted: 08/12/2013] [Indexed: 11/30/2022] Open
Abstract
Platinum atom clusters (Pt nanoparticles, Pt-NPs) were produced selectively at one end of helical plant viruses, tobacco mosaic virus (TMV) and potato virus X (PVX), when platinum coordinate compounds were reduced chemically by borohydrides. Size of the platinum NPs depends on conditions of the electroless deposition of platinum atoms on the virus. Results suggest that the Pt-NPs are bound concurrently to the terminal protein subunits and the 5′ end of encapsidated TMV RNA. Thus, a special structure of tobacco mosaic virus and potato X virus particles with nanoparticles of platinum, which looks like a push-pin with platinum head and virus needle, was obtained. Similar results were obtained with ultrasonically fragmented TMV particles. By contrast, the Pt-NPs fully filled the central axial hole of in vitro assembled RNA-free TMV-like particles. We believe that the results presented here will be valuable in the fundamental understanding of interaction of viral platforms with ionic metals and in a mechanism of nanoparticles formation.
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Alonso J, Górzny M, Bittner A. The physics of tobacco mosaic virus and virus-based devices in biotechnology. Trends Biotechnol 2013; 31:530-8. [DOI: 10.1016/j.tibtech.2013.05.013] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 04/23/2013] [Accepted: 05/31/2013] [Indexed: 12/16/2022]
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Szilágyi IM, Teucher G, Härkönen E, Färm E, Hatanpää T, Nikitin T, Khriachtchev L, Räsänen M, Ritala M, Leskelä M. Programming nanostructured soft biological surfaces by atomic layer deposition. NANOTECHNOLOGY 2013; 24:245701. [PMID: 23680967 DOI: 10.1088/0957-4484/24/24/245701] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Here, we present the first successful attempt to programme the surface properties of nanostructured soft biological tissues by atomic layer deposition (ALD). The nanopatterned surface of lotus leaf was tuned by 3-125 nm TiO2 thin films. The lotus/TiO2 composites were studied by SEM-EDX, XPS, Raman, TG-DTA, XRR, water contact angle and photocatalysis measurements. While we could preserve the superhydrophobic feature of lotus, we managed to add a new property, i.e. photocatalytic activity. We also explored how surface passivation treatments and various ALD precursors affect the stability of the sensitive soft biological tissues. As we were able to gradually change the number of nanopatterns of lotus, we gained new insight into how the hollow organic nanotubes on the surface of lotus influence its superhydrophobic feature.
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Geiger FC, Eber FJ, Eiben S, Mueller A, Jeske H, Spatz JP, Wege C. TMV nanorods with programmed longitudinal domains of differently addressable coat proteins. NANOSCALE 2013; 5:3808-16. [PMID: 23519401 DOI: 10.1039/c3nr33724c] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The spacing of functional nanoscopic elements may play a fundamental role in nanotechnological and biomedical applications, but is so far rarely achieved on this scale. In this study we show that tobacco mosaic virus (TMV) and the RNA-guided self-assembly process of its coat protein (CP) can be used to establish new nanorod scaffolds that can be loaded not only with homogeneously distributed functionalities, but with distinct molecule species grouped and ordered along the longitudinal axis. The arrangement of the resulting domains and final carrier rod length both were governed by RNA-templated two-step in vitro assembly. Two selectively addressable TMV CP mutants carrying either thiol (TMVCys) or amino (TMVLys) groups on the exposed surface were engineered and shown to retain reactivity towards maleimides or NHS esters, respectively, after acetic acid-based purification and re-assembly to novel carrier rod types. Stepwise combination of CP(Cys) and CP(Lys) with RNA allowed fabrication of TMV-like nanorods with a controlled total length of 300 or 330 nm, respectively, consisting of adjacent longitudinal 100-to-200 nm domains of differently addressable CP species. This technology paves the way towards rod-shaped scaffolds with pre-defined, selectively reactive barcode patterns on the nanometer scale.
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Affiliation(s)
- Fania C Geiger
- Department of New Materials and Biosystems, Max-Planck-Institute for Intelligent Systems, University of Heidelberg, Heisenbergstrasse 3, 70569 Stuttgart, Germany
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Kadri A, Wege C, Jeske H. In vivo self-assembly of TMV-like particles in yeast and bacteria for nanotechnological applications. J Virol Methods 2013; 189:328-40. [DOI: 10.1016/j.jviromet.2013.02.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 02/22/2013] [Accepted: 02/27/2013] [Indexed: 12/16/2022]
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Kim DH, Koo HJ, Jur JS, Woodroof M, Kalanyan B, Lee K, Devine CK, Parsons GN. Stable anatase TiO₂ coating on quartz fibers by atomic layer deposition for photoactive light-scattering in dye-sensitized solar cells. NANOSCALE 2012; 4:4731-4738. [PMID: 22751846 DOI: 10.1039/c2nr30939d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Quartz fibers provide a unique high surface-area substrate suitable for conformal coating using atomic layer deposition (ALD), and are compatible with high temperature annealing. This paper shows that the quartz fiber composition stabilizes ALD TiO(2) in the anatase phase through TiO(2)-SiO(2) interface formation, even after annealing at 1050 °C. When integrated into a dye-sensitized solar cell, the TiO(2)-coated quartz fiber mat improves light scattering performance. Results also confirm that annealing at high temperature is necessary for better photoactivity of ALD TiO(2), which highlights the significance of quartz fibers as a substrate. The ALD TiO(2) coating on quartz fibers also boosts dye adsorption and photocurrent response, pushing the overall efficiency of the dye-cells from 6.5 to 7.4%. The mechanisms for improved cell performance are confirmed using wavelength-dependent incident photon to current efficiency and diffuse light scattering results. The combination of ALD and thermal processing on quartz fibers may enable other device structures for energy conversion and catalytic reaction applications.
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Affiliation(s)
- Do Han Kim
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Campus Box 7905, Raleigh, NC 27695, USA
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Meng X, Yang XQ, Sun X. Emerging applications of atomic layer deposition for lithium-ion battery studies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2012; 24:3589-3615. [PMID: 22700328 DOI: 10.1002/adma.201200397] [Citation(s) in RCA: 212] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2012] [Revised: 03/22/2012] [Indexed: 06/01/2023]
Abstract
Lithium-ion batteries (LIBs) are used widely in today's consumer electronics and offer great potential for hybrid electric vehicles (HEVs), plug-in HEVs, pure EVs, and also in smart grids as future energy-storage devices. However, many challenges must be addressed before these future applications of LIBs are realized, such as the energy and power density of LIBs, their cycle and calendar life, safety characteristics, and costs. Recently, a technique called atomic layer deposition (ALD) attracted great interest as a novel tool and approach for resolving these issues. In this article, recent advances in using ALD for LIB studies are thoroughly reviewed, covering two technical routes: 1) ALD for designing and synthesizing new LIB components, i.e., anodes, cathodes, and solid electrolytes, and; 2) ALD used in modifying electrode properties via surface coating. This review will hopefully stimulate more extensive and insightful studies on using ALD for developing high-performance LIBs.
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Affiliation(s)
- Xiangbo Meng
- Department of Mechanical and Materials Engineering, The University of Western Ontario, London, ON N6A 5B8, Canada
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45
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Li F, Yang Y, Fan Y, Xing W, Wang Y. Modification of ceramic membranes for pore structure tailoring: The atomic layer deposition route. J Memb Sci 2012. [DOI: 10.1016/j.memsci.2012.01.005] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kumari H, Kline SR, Atwood JL. Investigation of encapsulation of insulin biotemplate within C-methylresorcin[4]arenes. Chem Commun (Camb) 2012; 48:3599-601. [PMID: 22392225 DOI: 10.1039/c2cc18071e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Solution structure of insulin templated C-methyl resorcin[4]arene nanocapsules has been investigated using neutron scattering. The insulin biotemplate has enhanced the limits of encapsulation and enabled formation of a larger spherical molecular host.
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Affiliation(s)
- Harshita Kumari
- Department of Chemistry, University of Missouri-Columbia, 601 S. College Avenue, Columbia, MO 65211, USA
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Marichy C, Bechelany M, Pinna N. Atomic layer deposition of nanostructured materials for energy and environmental applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2012; 24:1017-32. [PMID: 22278762 DOI: 10.1002/adma.201104129] [Citation(s) in RCA: 141] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Indexed: 05/20/2023]
Abstract
Atomic layer deposition (ALD) is a thin film technology that in the past two decades rapidly developed from a niche technology to an established method. It proved to be a key technology for the surface modification and the fabrication of complex nanostructured materials. In this Progress Report, after a short introduction to ALD and its chemistry, the versatility of the technique for the fabrication of novel functional materials will be discussed. Selected examples, focused on its use for the engineering of nanostructures targeting applications in energy conversion and storage, and on environmental issues, will be discussed. Finally, the challenges that ALD is now facing in terms of materials fabrication and processing will be also tackled.
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Affiliation(s)
- Catherine Marichy
- Department of Chemistry, CICECO, University of Aveiro, Aveiro, Portugal
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Biswas A, Bayer IS, Biris AS, Wang T, Dervishi E, Faupel F. Advances in top-down and bottom-up surface nanofabrication: techniques, applications & future prospects. Adv Colloid Interface Sci 2012; 170:2-27. [PMID: 22154364 DOI: 10.1016/j.cis.2011.11.001] [Citation(s) in RCA: 301] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Revised: 11/02/2011] [Accepted: 11/08/2011] [Indexed: 02/02/2023]
Abstract
This review highlights the most significant advances of the nanofabrication techniques reported over the past decade with a particular focus on the approaches tailored towards the fabrication of functional nano-devices. The review is divided into two sections: top-down and bottom-up nanofabrication. Under the classification of top-down, special attention is given to technical reports that demonstrate multi-directional patterning capabilities less than or equal to 100 nm. These include recent advances in lithographic techniques, such as optical, electron beam, soft, nanoimprint, scanning probe, and block copolymer lithography. Bottom-up nanofabrication techniques--such as, atomic layer deposition, sol-gel nanofabrication, molecular self-assembly, vapor-phase deposition and DNA-scaffolding for nanoelectronics--are also discussed. Specifically, we describe advances in the fabrication of functional nanocomposites and graphene using chemical and physical vapor deposition. Our aim is to provide a comprehensive platform for prominent nanofabrication tools and techniques in order to facilitate the development of new or hybrid nanofabrication techniques leading to novel and efficient functional nanostructured devices.
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Affiliation(s)
- Abhijit Biswas
- Center for Nano Science and Technology (NDnano), Department of Electrical Engineering, University of Notre Dame, Notre Dame, IN 46556, USA.
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Gong B, Parsons GN. Quantitative in situ infrared analysis of reactions between trimethylaluminum and polymers during Al2O3 atomic layer deposition. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm32343e] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Bartl MH, Galusha JW, Jorgensen MR. Oxide-Based Photonic Crystals from Biological Templates. FUNCTIONAL METAL OXIDE NANOSTRUCTURES 2012. [DOI: 10.1007/978-1-4419-9931-3_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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