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Eivazi Zadeh Z, Solouk A, Shafieian M, Haghbin Nazarpak M. Electrospun polyurethane/carbon nanotube composites with different amounts of carbon nanotubes and almost the same fiber diameter for biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111403. [PMID: 33255006 DOI: 10.1016/j.msec.2020.111403] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 08/03/2020] [Accepted: 08/15/2020] [Indexed: 01/17/2023]
Abstract
The aim of this study was to investigate the net effect of raw carbon nanotube (CNTs) on the final properties of polyurethane (PU)/CNT composites considering their biomedical applications. So, neat PU and PU/CNT composites containing different amounts of CNTs (0.05%, 0.1%, 0.5%, and 1%) were prepared by electrospinning. Electrospinning parameters optimized to have a bead-free structure with no significant difference between their mean fiber diameter and porosity percentage. The results showed adding CNTs caused an increase in crystallinity percentage, water absorption ratio, young modulus, toughness, conductivity, degradation time in an accelerated medium, clotting time, and human umbilical vein endothelial cells adhesion. But a direct relationship between CNT percentage and the calcium adsorption was not detected. Moreover, no significant cytotoxicity was observed for 7-day extracts of all samples. These nanocomposites have a vast range of properties which make them a good candidate as neural, cardiovascular, osseous biomaterials or tendon, and ligament substitute.
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Affiliation(s)
- Zahra Eivazi Zadeh
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Atefeh Solouk
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.
| | - Mehdi Shafieian
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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102
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Lopez de Armentia S, del Real JC, Paz E, Dunne N. Advances in Biodegradable 3D Printed Scaffolds with Carbon-Based Nanomaterials for Bone Regeneration. MATERIALS 2020; 13:ma13225083. [PMID: 33187218 PMCID: PMC7697295 DOI: 10.3390/ma13225083] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 01/09/2023]
Abstract
Bone possesses an inherent capacity to fix itself. However, when a defect larger than a critical size appears, external solutions must be applied. Traditionally, an autograft has been the most used solution in these situations. However, it presents some issues such as donor-site morbidity. In this context, porous biodegradable scaffolds have emerged as an interesting solution. They act as external support for cell growth and degrade when the defect is repaired. For an adequate performance, these scaffolds must meet specific requirements: biocompatibility, interconnected porosity, mechanical properties and biodegradability. To obtain the required porosity, many methods have conventionally been used (e.g., electrospinning, freeze-drying and salt-leaching). However, from the development of additive manufacturing methods a promising solution for this application has been proposed since such methods allow the complete customisation and control of scaffold geometry and porosity. Furthermore, carbon-based nanomaterials present the potential to impart osteoconductivity and antimicrobial properties and reinforce the matrix from a mechanical perspective. These properties make them ideal for use as nanomaterials to improve the properties and performance of scaffolds for bone tissue engineering. This work explores the potential research opportunities and challenges of 3D printed biodegradable composite-based scaffolds containing carbon-based nanomaterials for bone tissue engineering applications.
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Affiliation(s)
- Sara Lopez de Armentia
- Institute for Research in Technology/Mechanical Engineering Dept., Universidad Pontificia Comillas, Alberto Aguilera 25, 28015 Madrid, Spain; (S.L.d.A.); (J.C.d.R.)
| | - Juan Carlos del Real
- Institute for Research in Technology/Mechanical Engineering Dept., Universidad Pontificia Comillas, Alberto Aguilera 25, 28015 Madrid, Spain; (S.L.d.A.); (J.C.d.R.)
| | - Eva Paz
- Institute for Research in Technology/Mechanical Engineering Dept., Universidad Pontificia Comillas, Alberto Aguilera 25, 28015 Madrid, Spain; (S.L.d.A.); (J.C.d.R.)
- Correspondence: (E.P.); (N.D.)
| | - Nicholas Dunne
- Centre for Medical Engineering Research, School of Mechanical and Manufacturing Engineering, Dublin City University, Stokes Building, Collins Avenue, Dublin 9, Ireland
- School of Mechanical and Manufacturing Engineering, Dublin City University, Dublin 9, Ireland
- School of Pharmacy, Queen’s University of Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin 2, Ireland
- Advanced Manufacturing Research Centre (I-Form), School of Mechanical and Manufacturing Engineering, Dublin City University, Glasnevin, Dublin 9, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin, Dublin 2, Ireland
- Advanced Processing Technology Research Centre, Dublin City University, Dublin 9, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
- Correspondence: (E.P.); (N.D.)
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103
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Yaghoubi A, Ramazani A. Anticancer DOX delivery system based on CNTs: Functionalization, targeting and novel technologies. J Control Release 2020; 327:198-224. [DOI: 10.1016/j.jconrel.2020.08.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/31/2020] [Accepted: 08/01/2020] [Indexed: 12/24/2022]
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104
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Chu YM, Siddiqui MK, Hanif MF, Rauf A, Ishtiaq M, Muhammad MH. On Ve-Degree and Ev-Degree Based Topological Properties of H-Naphtalenic Nanotube. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2020.1834412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Yu-Ming Chu
- Department of Mathematics, Huzhou University, Huzhou, P. R. China
- Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, Changsha University of Science & Technology, Changsha, P. R. China
| | | | - Muhammad Farhan Hanif
- Department of Mathematics, Comsats University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Abdul Rauf
- Department of Computer Science and Engineering, Air University Multan Campus, Multan, Pakistan
| | - Muhammad Ishtiaq
- Department of Computer Science and Engineering, Air University Multan Campus, Multan, Pakistan
| | - Mehwish Hussain Muhammad
- College of chemistry, School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, China
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105
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Balakrishna B, Menon A, Cao K, Gsänger S, Beil SB, Villalva J, Shyshov O, Martin O, Hirsch A, Meyer B, Kaiser U, Guldi DM, von Delius M. Dynamic Covalent Formation of Concave Disulfide Macrocycles Mechanically Interlocked with Single-Walled Carbon Nanotubes. Angew Chem Int Ed Engl 2020; 59:18774-18785. [PMID: 32544289 PMCID: PMC7590186 DOI: 10.1002/anie.202005081] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Indexed: 02/02/2023]
Abstract
The formation of discrete macrocycles wrapped around single-walled carbon nanotubes (SWCNTs) has recently emerged as an appealing strategy to functionalize these carbon nanomaterials and modify their properties. Here, we demonstrate that the reversible disulfide exchange reaction, which proceeds under mild conditions, can install relatively large amounts of mechanically interlocked disulfide macrocycles on the one-dimensional nanotubes. Size-selective functionalization of a mixture of SWCNTs of different diameters were observed, presumably arising from error correction and the presence of relatively rigid, curved π-systems in the key building blocks. A combination of UV/Vis/NIR, Raman, photoluminescence excitation, and transient absorption spectroscopy indicated that the small (6,4)-SWCNTs were predominantly functionalized by the small macrocycles 12 , whereas the larger (6,5)-SWCNTs were an ideal match for the larger macrocycles 22 . This size selectivity, which was rationalized computationally, could prove useful for the purification of nanotube mixtures, since the disulfide macrocycles can be removed quantitatively under mild reductive conditions.
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Affiliation(s)
- Bugga Balakrishna
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Arjun Menon
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Kecheng Cao
- Electron Microscopy of Materials Science, Central Facility for Electron Microscopy, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Sebastian Gsänger
- Interdisciplinary Center for Molecular Materials (ICMM) & Computer-Chemistry-Center (CCC), Friedrich-Alexander University Erlangen-Nürnberg, Nägelsbachstrasse 25, 91052, Erlangen, Germany
| | - Sebastian B Beil
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Julia Villalva
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Oleksandr Shyshov
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Oliver Martin
- Department of Chemistry and Pharmacy & Joint Institute of Advanced Materials and Processes (ZMP), Friedrich-Alexander University Erlangen-Nürnberg, Nikolaus-Fiebiger-Strasse 10, 91058, Erlangen, Germany
| | - Andreas Hirsch
- Department of Chemistry and Pharmacy & Joint Institute of Advanced Materials and Processes (ZMP), Friedrich-Alexander University Erlangen-Nürnberg, Nikolaus-Fiebiger-Strasse 10, 91058, Erlangen, Germany
| | - Bernd Meyer
- Interdisciplinary Center for Molecular Materials (ICMM) & Computer-Chemistry-Center (CCC), Friedrich-Alexander University Erlangen-Nürnberg, Nägelsbachstrasse 25, 91052, Erlangen, Germany
| | - Ute Kaiser
- Electron Microscopy of Materials Science, Central Facility for Electron Microscopy, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Dirk M Guldi
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058, Erlangen, Germany
| | - Max von Delius
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
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106
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Lee JH, Kim HS, Yun ET, Ham SY, Park JH, Ahn CH, Lee SH, Park HD. Vertically Aligned Carbon Nanotube Membranes: Water Purification and Beyond. MEMBRANES 2020; 10:membranes10100273. [PMID: 33023144 PMCID: PMC7601676 DOI: 10.3390/membranes10100273] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/24/2020] [Accepted: 10/01/2020] [Indexed: 12/07/2022]
Abstract
Vertically aligned carbon nanotube (VACNT) membranes have attracted significant attention for water purification owing to their ultra-high water permeability and antibacterial properties. In this paper, we critically review the recent progresses in the synthesis of VACNT arrays and fabrication of VACNT membrane methods, with particular emphasis on improving water permeability and anti-biofouling properties. Furthermore, potential applications of VACNT membranes other than water purification (e.g., conductive membranes, electrodes in proton exchange membrane fuel cells, and solar electricity–water generators) have been introduced. Finally, future outlooks are provided to overcome the limitations of commercialization and desalination currently faced by VACNT membranes. This review will be useful to researchers in the broader scientific community as it discusses current and new trends regarding the development of VACNT membranes as well as their potential applications.
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Affiliation(s)
- Jeong Hoon Lee
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02855, Korea; (J.H.L.); (E.-T.Y.); (S.-Y.H.); (C.H.A.)
| | - Han-Shin Kim
- Korea Institute of Civil Engineering and Building Technology (KICT), Goyang 10223, Gyeonggi-do, Korea;
| | - Eun-Tae Yun
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02855, Korea; (J.H.L.); (E.-T.Y.); (S.-Y.H.); (C.H.A.)
| | - So-Young Ham
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02855, Korea; (J.H.L.); (E.-T.Y.); (S.-Y.H.); (C.H.A.)
| | - Jeong-Hoon Park
- Clean Innovation Technology Group, Korea Institute of Industrial Technology (KITECH), Jeju-si 63243, Korea;
| | - Chang Hoon Ahn
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02855, Korea; (J.H.L.); (E.-T.Y.); (S.-Y.H.); (C.H.A.)
| | - Sang Hyup Lee
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Korea;
| | - Hee-Deung Park
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02855, Korea; (J.H.L.); (E.-T.Y.); (S.-Y.H.); (C.H.A.)
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Korea;
- Correspondence: ; Tel.: +82-2-3290-4861; Fax: +82-2-3290-5999
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107
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Azizi-Lalabadi M, Hashemi H, Feng J, Jafari SM. Carbon nanomaterials against pathogens; the antimicrobial activity of carbon nanotubes, graphene/graphene oxide, fullerenes, and their nanocomposites. Adv Colloid Interface Sci 2020; 284:102250. [PMID: 32966964 DOI: 10.1016/j.cis.2020.102250] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/22/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023]
Abstract
Recently, antibiotic resistance of pathogens has grown given the excessive and inappropriate usage of common antimicrobial agents. Hence, producing novel antimicrobial compounds is a necessity. Carbon nanomaterials (CNMs) such as carbon nanotubes, graphene/graphene oxide, and fullerenes, as an emerging class of novel materials, can exhibit a considerable antimicrobial activity, especially in the nanocomposite forms suitable for different fields including biomedical and food applications. These nanomaterials have attracted a great deal of interest due to their broad efficiency and novel features. The most important factor affecting the antimicrobial activity of CNMs is their size. Smaller particles with a higher surface to volume ratio can easily attach onto the microbial cells and affect their cell membrane integrity, metabolic procedures, and structural components. As these unique characteristics are found in CNMs, a wide range of possibilities have raised in terms of antimicrobial applications. This study aims to cover the antimicrobial activities of CNMs (both as individual forms and in nanocomposites) and comprehensively explain their mechanisms of action. The results of this review will present a broad perspective, summarizes the most remarkable findings, and provides an outlook regarding the antimicrobial properties of CNMs and their potential applications.
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108
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Carbon Nanotubes Interference with Luminescence-Based Assays. MATERIALS 2020; 13:ma13194270. [PMID: 32992706 PMCID: PMC7579240 DOI: 10.3390/ma13194270] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/19/2020] [Accepted: 09/22/2020] [Indexed: 12/18/2022]
Abstract
Carbon nanotubes (CNTs) are one of the most promising nanomaterials synthesized to date. Thanks to their unique mechanical, electronic, and optical properties, they have found a wide application in electronics in the production of biosensors and nanocomposites. The functionalization of multiwalled carbon nanotubes (MWCNTs) is aimed at making them biocompatible by adding hydrophilic groups on their surface, increasing their solubility and thus rendering them applicable in the regenerative medicine. So far, there is conflicting information about carbon nanotubes in biological systems. This paper investigates the effect of functionalized, oxidized, multiwalled carbon nanotubes (MWCNT-Ox) on the cytotoxicity of normal human articular chondrocytes (NHAC-kn cell line). Since absorbance-based and fluorescence-based assays were shown to interfere with carbon nanotubes, luminescence-based tests were carried out, as they work on a different method of detection and provide advantages over the mentioned ones. Cell viability and reactive oxygen species (ROS) tests were carried out. The cell viability assay showed that with the increasing MWCNTs concentration, the number of viable chondrocytes was significantly decreasing. Exposure to MWCNT-Ox indicated oxidative stress in the lowest investigated concentration with a decreased amount of ROS with higher concentrations. However, control experiments with adenosine triphosphate (ATP) and H2O2-molecules that are detected by the assays-showed that carbon nanotubes interfere directly with measurement, thus rendering the results unreliable. To understand the exact interference mechanisms, further studies must be taken. In conclusion, this study shows that luminescence-based tests yield erroneous results, confirming that in vitro experiments in the literature concerning carbon nanotubes should be analyzed with caution.
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109
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Glória J, Brito W, Gandarilla A, Larrude D, Carlos J, Araújo F, Almeida ME, Manzato L, Mariúba LAM. Solubilization, characterization, and protein coupling analysis to multiwalled carbon nanotubes. HIGH PERFORM POLYM 2020. [DOI: 10.1177/0954008320958035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Since their discovery, carbon nanotubes were used for numerous applications in the most diverse knowledge areas. However, the lack of solubility of these molecules in aqueous media compromises their beneficial properties for certain applications. Several methods to solubilize carbon nanotubes are described, however, depending on the intended application, the impact that the solubilization has on the physical and chemical properties needs to be considered. In the present study, a simple methodology is described that utilizes polyvinylpyrrolidone combined with sonication and centrifugation to solubilize multiwalled carbon nanotubes. Proteins were coupled to the surface of the solubilized products and characterized using various spectroscopic and electron microscopic techniques, evaluating the characteristics and integrity of the nanoparticle after the process. It was successfully demonstrated that nanotubes can be solubilized through a simple technique, without compromising their chemical characteristics, which makes them suitable materials for use in biomedical applications, due to their biocompatibility and lack of toxicity, among others.
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Affiliation(s)
- Juliane Glória
- Postgraduate Program in Biotechnology, Federal University of Amazonas (PPGBIOTEC-UFAM), Manaus, Amazonas, Brazil
| | - Walter Brito
- Department of Chemistry, Federal University of Amazonas, Manaus, Amazonas, Brazil
| | - Ariamna Gandarilla
- Department of Chemistry, Federal University of Amazonas, Manaus, Amazonas, Brazil
| | - Duniesky Larrude
- MackGraphe, Mackenzie Presbyterian University, São Paulo, Brazil
| | - Jacqueline Carlos
- Department of Chemistry, Federal University of Amazonas, Manaus, Amazonas, Brazil
| | - Felipe Araújo
- Leônidas and Maria Deane Institute, Oswaldo Cruz Foundation (ILMD-FIOCRUZ), Manaus, Amazonas, Brazil
| | - Maria Edilene Almeida
- Leônidas and Maria Deane Institute, Oswaldo Cruz Foundation (ILMD-FIOCRUZ), Manaus, Amazonas, Brazil
- Postgraduate Program Stricto sensu in Cellular and Molecular Biology of the Oswaldo Cruz Institute (PGBCM/IOC/Fiocruz), Rio de Janeiro, Brazil
| | - Lizandro Manzato
- Federal Institute of Amazonas (IFAM), Campus Manaus Distrito Industrial, Manaus, Amazonas, Brazil
| | - Luis André Morais Mariúba
- Postgraduate Program in Biotechnology, Federal University of Amazonas (PPGBIOTEC-UFAM), Manaus, Amazonas, Brazil
- Leônidas and Maria Deane Institute, Oswaldo Cruz Foundation (ILMD-FIOCRUZ), Manaus, Amazonas, Brazil
- Postgraduate Program Stricto sensu in Cellular and Molecular Biology of the Oswaldo Cruz Institute (PGBCM/IOC/Fiocruz), Rio de Janeiro, Brazil
- Postgraduate Program in Basic and Applied Immunology, Federal University of Amazonas (PPGIBA-UFAM), Manaus, Amazonas, Brazil
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110
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Szymański T, Mieloch AA, Richter M, Trzeciak T, Florek E, Rybka JD, Giersig M. Utilization of Carbon Nanotubes in Manufacturing of 3D Cartilage and Bone Scaffolds. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4039. [PMID: 32933020 PMCID: PMC7560098 DOI: 10.3390/ma13184039] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 12/27/2022]
Abstract
Cartilage and bone injuries are prevalent ailments, affecting the quality of life of injured patients. Current methods of treatment are often imperfect and pose the risk of complications in the long term. Therefore, tissue engineering is a rapidly developing branch of science, which aims at discovering effective ways of replacing or repairing damaged tissues with the use of scaffolds. However, both cartilage and bone owe their exceptional mechanical properties to their complex ultrastructure, which is very difficult to reproduce artificially. To address this issue, nanotechnology was employed. One of the most promising nanomaterials in this respect is carbon nanotubes, due to their exceptional physico-chemical properties, which are similar to collagens-the main component of the extracellular matrix of these tissues. This review covers the important aspects of 3D scaffold development and sums up the existing research tackling the challenges of scaffold design. Moreover, carbon nanotubes-reinforced bone and cartilage scaffolds manufactured using the 3D bioprinting technique will be discussed as a novel tool that could facilitate the achievement of more biomimetic structures.
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Affiliation(s)
- Tomasz Szymański
- Center for Advanced Technology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10 Street, 61-614 Poznan, Poland; (T.S.); (A.A.M.); (M.R.); (M.G.)
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8 Street, 61-614 Poznan, Poland
| | - Adam Aron Mieloch
- Center for Advanced Technology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10 Street, 61-614 Poznan, Poland; (T.S.); (A.A.M.); (M.R.); (M.G.)
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8 Street, 61-614 Poznan, Poland
| | - Magdalena Richter
- Center for Advanced Technology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10 Street, 61-614 Poznan, Poland; (T.S.); (A.A.M.); (M.R.); (M.G.)
- Department of Orthopedics and Traumatology, Poznan University of Medical Sciences, 28 czerwca 1956r. Street No. 135/147, 61-545 Poznan, Poland;
| | - Tomasz Trzeciak
- Department of Orthopedics and Traumatology, Poznan University of Medical Sciences, 28 czerwca 1956r. Street No. 135/147, 61-545 Poznan, Poland;
| | - Ewa Florek
- Laboratory of Environmental Research, Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland;
| | - Jakub Dalibor Rybka
- Center for Advanced Technology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10 Street, 61-614 Poznan, Poland; (T.S.); (A.A.M.); (M.R.); (M.G.)
| | - Michael Giersig
- Center for Advanced Technology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10 Street, 61-614 Poznan, Poland; (T.S.); (A.A.M.); (M.R.); (M.G.)
- Department of Physics, Institute of Experimental Physics, Freie Universität, Arnimallee 14, 14195 Berlin, Germany
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111
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Advances in Recombinant Lipases: Production, Engineering, Immobilization and Application in the Pharmaceutical Industry. Catalysts 2020. [DOI: 10.3390/catal10091032] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Lipases are one of the most used enzymes in the pharmaceutical industry due to their efficiency in organic syntheses, mainly in the production of enantiopure drugs. From an industrial viewpoint, the selection of an efficient expression system and host for recombinant lipase production is highly important. The most used hosts are Escherichia coli and Komagataella phaffii (previously known as Pichia pastoris) and less often reported Bacillus and Aspergillus strains. The use of efficient expression systems to overproduce homologous or heterologous lipases often require the use of strong promoters and the co-expression of chaperones. Protein engineering techniques, including rational design and directed evolution, are the most reported strategies for improving lipase characteristics. Additionally, lipases can be immobilized in different supports that enable improved properties and enzyme reuse. Here, we review approaches for strain and protein engineering, immobilization and the application of lipases in the pharmaceutical industry.
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112
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Comparing Multi-Walled Carbon Nanotubes and Halloysite Nanotubes as Reinforcements in EVA Nanocomposites. MATERIALS 2020; 13:ma13173809. [PMID: 32872301 PMCID: PMC7504041 DOI: 10.3390/ma13173809] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/20/2020] [Accepted: 08/25/2020] [Indexed: 11/24/2022]
Abstract
The influence of carbon multi-walled nanotubes (MWCNTs) and halloysite nanotubes (HNTs) on the physical, thermal, mechanical, and electrical properties of EVA (ethylene vinyl acetate) copolymer was investigated. EVA-based nanocomposites containing MWCNTs or HNTs, as well as hybrid nanocomposites containing both nanofillers were prepared by melt blending. Scanning electron microcopy (SEM) images revealed the presence of good dispersion of both kinds of nanotubes throughout the EVA matrix. The incorporation of nanotubes into the EVA copolymer matrix did not significantly affect the crystallization behavior of the polymer. The tensile strength of EVA-based nanocomposites increased along with the increasing CNTs (carbon nanotubes) content (increased up to approximately 40% at the loading of 8 wt.%). In turn, HNTs increased to a great extent the strain at break. Mechanical cyclic tensile tests demonstrated that nanocomposites with hybrid reinforcement exhibit interesting strengthening behavior. The synergistic effect of hybrid nanofillers on the modulus at 100% and 200% elongation was visible. Moreover, along with the increase of MWCNTs content in EVA/CNTs nanocomposites, an enhancement in electrical conductivity was observed.
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113
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Balakrishna B, Menon A, Cao K, Gsänger S, Beil SB, Villalva J, Shyshov O, Martin O, Hirsch A, Meyer B, Kaiser U, Guldi DM, Delius M. Mechanische Verzahnung von einwandigen Kohlenstoffnanoröhren durch dynamisch‐kovalente Bildung von konkaven Disulfidmakrozyklen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005081] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Bugga Balakrishna
- Institut für Organische Chemie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Arjun Menon
- Department Chemie und Pharmazie & Interdisziplinäres Zentrum für Molekulare Materialien Friedrich-Alexander-Universität Erlangen-Nürnberg Egerlandstrasse 3 91058 Erlangen Deutschland
| | - Kecheng Cao
- Elektronenmikroskopie der Materialwissenschaften Zentrale Einrichtung für Elektronenmikroskopie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Sebastian Gsänger
- Interdisziplinäres Zentrum für Molekulare Materialien & Computer-Chemie-Zentrum (CCC) Friedrich-Alexander-Universität Erlangen-Nürnberg Nägelsbachstrasse 25 91052 Erlangen Deutschland
| | - Sebastian B. Beil
- Institut für Organische Chemie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Julia Villalva
- Institut für Organische Chemie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Oleksandr Shyshov
- Institut für Organische Chemie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Oliver Martin
- Department Chemie und Pharmazie & Gemeinsames Institut für Angewandte Materialien und Prozesse (ZMP) Friedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Deutschland
| | - Andreas Hirsch
- Department Chemie und Pharmazie & Gemeinsames Institut für Angewandte Materialien und Prozesse (ZMP) Friedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Deutschland
| | - Bernd Meyer
- Interdisziplinäres Zentrum für Molekulare Materialien & Computer-Chemie-Zentrum (CCC) Friedrich-Alexander-Universität Erlangen-Nürnberg Nägelsbachstrasse 25 91052 Erlangen Deutschland
| | - Ute Kaiser
- Elektronenmikroskopie der Materialwissenschaften Zentrale Einrichtung für Elektronenmikroskopie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Dirk M. Guldi
- Department Chemie und Pharmazie & Interdisziplinäres Zentrum für Molekulare Materialien Friedrich-Alexander-Universität Erlangen-Nürnberg Egerlandstrasse 3 91058 Erlangen Deutschland
| | - Max Delius
- Institut für Organische Chemie Universität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
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114
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Methods Used for the Compaction and Molding of Ceramic Matrix Composites Reinforced with Carbon Nanotubes. Processes (Basel) 2020. [DOI: 10.3390/pr8081004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Ceramic matrix composites reinforced with carbon nanotubes are becoming increasingly popular in industry due to their astonishing mechanical properties and taking into account the fact that advanced production technologies make carbon nanotubes increasingly affordable. In the present paper, the most convenient contemporary methods used for the compaction of molding masses composed of either technical ceramics or ceramic matrix composites reinforced with carbon nanotubes are surveyed. This stage that precedes debinding and sintering plays the key role in getting pore-free equal-density ceramics at the scale of mass production. The methods include: compaction in sealed and collector molds, cold isostatic and quasi-isostatic compaction; dynamic compaction methods, such as magnetic pulse, vibration, and ultrasonic compaction; extrusion, stamping, and injection; casting from aqueous and non-aqueous slips; tape and gel casting. Capabilities of mold-free approaches to produce precisely shaped ceramic bodies are also critically analyzed, including green ceramic machining and additive manufacturing technologies.
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115
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Elsehly EM, Chechenin NG, Makunin AV, Shemukhin AA, Motaweh HA. Surface functionalization of multi-walled carbon nanotubes by ozone and the enhancement of their environmental applications. NANO EXPRESS 2020. [DOI: 10.1088/2632-959x/abaafd] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Abstract
Selective functionalization of multiwalled carbon nanotubes (MWNTs) is essential for many prospective applications of such materials. In the present study, MWNTs grown by chemical vapor deposition are functionalized by ozone treatment at room temperature. Through this environmental and effective functionalization method, the chemical reactivity of MWNTs can be altered and tuned. Ozone functionalized MWNTs (F-MWNTs) were characterized by Raman spectroscopy, SEM, EDS, BET surface area, XPS, and FTIR. The results obtained confirm the formation of oxygen groups attached to the surface of ozone-treated nanotubes (e.g. carboxyl), which modify their physicochemical properties and boost the surface reactivity. The F-MWNT filters showed 99.5% manganese removal efficiency at 20 ppm concentration in the solution, which is higher than the efficiency reported earlier. The optimal parameters for Mn adsorption by F-MWNTs were studied. Possible mechanisms of F-MWNT adsorption processes are also discussed.
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116
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Taheri-Kafrani A, Kharazmi S, Nasrollahzadeh M, Soozanipour A, Ejeian F, Etedali P, Mansouri-Tehrani HA, Razmjou A, Yek SMG, Varma RS. Recent developments in enzyme immobilization technology for high-throughput processing in food industries. Crit Rev Food Sci Nutr 2020; 61:3160-3196. [PMID: 32715740 DOI: 10.1080/10408398.2020.1793726] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The demand for food and beverage markets has increased as a result of population increase and in view of health awareness. The quality of products from food processing industry has to be improved economically by incorporating greener methodologies that enhances the safety and shelf life via the enzymes application while maintaining the essential nutritional qualities. The utilization of enzymes is rendered more favorable in industrial practices via the modification of their characteristics as attested by studies on enzyme immobilization pertaining to different stages of food and beverage processing; these studies have enhanced the catalytic activity, stability of enzymes and lowered the overall cost. However, the harsh conditions of industrial processes continue to increase the propensity of enzyme destabilization thus shortening their industrial lifespan namely enzyme leaching, recoverability, uncontrollable orientation and the lack of a general procedure. Innovative studies have strived to provide new tools and materials for the development of systems offering new possibilities for industrial applications of enzymes. Herein, an effort has been made to present up-to-date developments on enzyme immobilization and current challenges in the food and beverage industries in terms of enhancing the enzyme stability.
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Affiliation(s)
- Asghar Taheri-Kafrani
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Sara Kharazmi
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | | | - Asieh Soozanipour
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Fatemeh Ejeian
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Parisa Etedali
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | | | - Amir Razmjou
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Samaneh Mahmoudi-Gom Yek
- Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran.,Department of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Palacky University, Olomouc, Czech Republic
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Panecatl Bernal Y, Alvarado J, Rodríguez-Macias FJ, Juárez RL, García-Gallegos JC, Chávez-Portillo M, Méndez-Rojas MÁ. Efficient anchoring of nanostructured cadmium selenide on different kinds of carbon nanotubes. NANOTECHNOLOGY 2020; 31:275601. [PMID: 32109905 DOI: 10.1088/1361-6528/ab7b04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We report a method for the efficient anchoring of cadmium selenide (CdSe) nanoparticles on the surface of different types of multi-walled carbon nanotubes (purified, N-doped, O-doped and exfoliated). Characterization using different types of electron microscopies (SEM, STEM, and TEM), energy dispersive spectroscopy (EDS) and x-ray diffraction showed well anchored CdSe nanoparticles (NP) on the nanotube surfaces, NP shapes and sizes varied with temperature and other synthesis conditions, and formed with good yields. The method here reported does not require previous activation of the carbon nanotube surface by chemical functionalization, nor the use of organic solvents, and the reaction proceeded in aqueous solutions, making this process simpler and more environmentally friendly than others.
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Affiliation(s)
- Yesmin Panecatl Bernal
- Centro de Investigación en Dispositivos Semiconductores, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla, 2570, México
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Patel DK, Kim HB, Dutta SD, Ganguly K, Lim KT. Carbon Nanotubes-Based Nanomaterials and Their Agricultural and Biotechnological Applications. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E1679. [PMID: 32260227 PMCID: PMC7178645 DOI: 10.3390/ma13071679] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/26/2020] [Accepted: 03/31/2020] [Indexed: 12/13/2022]
Abstract
Carbon nanotubes (CNTs) are considered a promising nanomaterial for diverse applications owing to their attractive physicochemical properties such as high surface area, superior mechanical and thermal strength, electrochemical activity, and so on. Different techniques like arc discharge, laser vaporization, chemical vapor deposition (CVD), and vapor phase growth are explored for the synthesis of CNTs. Each technique has advantages and disadvantages. The physicochemical properties of the synthesized CNTs are profoundly affected by the techniques used in the synthesis process. Here, we briefly described the standard methods applied in the synthesis of CNTs and their use in the agricultural and biotechnological fields. Notably, better seed germination or plant growth was noted in the presence of CNTs than the control. However, the exact mechanism of action is still unclear. Significant improvements in the electrochemical performances have been observed in CNTs-doped electrodes than those of pure. CNTs or their derivatives are also utilized in wastewater treatment. The high surface area and the presence of different functional groups in the functionalized CNTs facilitate the better adsorption of toxic metal ions or other chemical moieties. CNTs or their derivatives can be applied for the storage of hydrogen as an energy source. It has been observed that the temperature widely influences the hydrogen storage ability of CNTs. This review paper highlighted some recent development on electrochemical platforms over single-walled CNTs (SWCNTs), multi-walled CNTs (MWCNTs), and nanocomposites as a promising biomaterial in the field of agriculture and biotechnology. It is possible to tune the properties of carbon-based nanomaterials by functionalization of their structure to use as an engineering toolkit for different applications, including agricultural and biotechnological fields.
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Affiliation(s)
- Dinesh K Patel
- Department of Biosystems Engineering, The Institute of Forest Science, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Hye-Been Kim
- Department of Biosystems Engineering, The Institute of Forest Science, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Sayan Deb Dutta
- Department of Biosystems Engineering, The Institute of Forest Science, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Keya Ganguly
- Department of Biosystems Engineering, The Institute of Forest Science, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Ki-Taek Lim
- Department of Biosystems Engineering, The Institute of Forest Science, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea
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119
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Saleemi MA, Fouladi MH, Yong PVC, Wong EH. Elucidation of Antimicrobial Activity of Non-Covalently Dispersed Carbon Nanotubes. MATERIALS 2020; 13:ma13071676. [PMID: 32260216 PMCID: PMC7178397 DOI: 10.3390/ma13071676] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/21/2020] [Accepted: 02/28/2020] [Indexed: 12/19/2022]
Abstract
Microorganisms have begun to develop resistance because of inappropriate and extensive use of antibiotics in the hospital setting. Therefore, it seems to be necessary to find a way to tackle these pathogens by developing new and effective antimicrobial agents. Carbon nanotubes (CNTs) have attracted growing attention because of their remarkable mechanical strength, electrical properties, and chemical and thermal stability for their potential applications in the field of biomedical as therapeutic and diagnostic nanotools. However, the impact of carbon nanotubes on microbial growth has not been fully investigated. The primary purpose of this research study is to investigate the antimicrobial activity of CNTs, particularly double-walled and multi-walled nanotubes on representative pathogenic strains such as Gram-positive bacteria Staphylococcus aureus, Gram-negative bacteria Pseudomonas aeruginosa, Klebsiella pneumoniae, and fungal strain Candida albicans. The dispersion ability of CNT types (double-walled and multi-walled) treated with a surfactant such as sodium dodecyl-benzenesulfonate (SDBS) and their impact on the microbial growth inhibition were also examined. A stock concentration 0.2 mg/mL of both double-walled and multi-walled CNTs was prepared homogenized by dispersing in surfactant solution by using probe sonication. UV-vis absorbance, Fourier transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM) were used for the characterization of CNTs dispersed in the surfactant solution to study the interaction between molecules of surfactant and CNTs. Later, scanning electron microscopy (SEM) was used to investigate how CNTs interact with the microbial cells. The antimicrobial activity was determined by analyzing optical density growth curves and viable cell count. This study revealed that microbial growth inhibited by non-covalently dispersed CNTs was both depend on the concentration and treatment time. In conclusion, the binding of surfactant molecules to the surface of CNTs increases its ability to disperse in aqueous solution. Non-covalent method of CNTs dispersion preserved their structure and increased microbial growth inhibition as a result. Multi-walled CNTs exhibited higher antimicrobial activity compared to double-walled CNTs against selected pathogens.
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Affiliation(s)
- Mansab Ali Saleemi
- School of Biosciences, Taylor’s University Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia; (M.A.S.); (P.V.C.Y.)
| | | | - Phelim Voon Chen Yong
- School of Biosciences, Taylor’s University Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia; (M.A.S.); (P.V.C.Y.)
| | - Eng Hwa Wong
- School of Medicine, Taylor’s University Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia
- Correspondence: ; Tel.: +60-12-269-8587
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120
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Farzin L, Sadjadi S, Shamsipur M, Sheibani S. Electrochemical genosensor based on carbon nanotube/amine-ionic liquid functionalized reduced graphene oxide nanoplatform for detection of human papillomavirus (HPV16)-related head and neck cancer. J Pharm Biomed Anal 2020; 179:112989. [DOI: 10.1016/j.jpba.2019.112989] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 11/11/2019] [Accepted: 11/11/2019] [Indexed: 12/13/2022]
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121
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Gogoi M, Goswami R, Ingole P, Hazarika S. Selective permeation of L-tyrosine through functionalized single-walled carbon nanotube thin film nanocomposite membrane. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116061] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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122
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Yadav N, Tyagi M, Wadhwa S, Mathur A, Narang J. Few biomedical applications of carbon nanotubes. Methods Enzymol 2020; 630:347-363. [PMID: 31931993 DOI: 10.1016/bs.mie.2019.11.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nanotubes of carbon are allotropic form of carbon material that rolled to form a cylindrical structure that may be singlewalled carbon nanotubes (SWCNTs) and multiwalled carbon nanotubes (MWCNTs) depending upon the number of carbon layers. These carbon nanotubes have exhibited characteristics properties such as electrical, optical, thermal and mechanical. Carbon nanotubes can be employed for immobilization matrix for biomolecules such as an enzyme, nucleic acid, etc. Enzymes can be immobilized onto carbon nanotubes via absorption or covalent bonding. Various enzymatic based biosensors are also developed for the detection of various analytes. Present chapter mainly emphasizes characteristics of carbon nanotubes, their preparation methods, purification and exploitation of CNTs as an immobilization matrix for theranostic applications.
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Affiliation(s)
- Neelam Yadav
- Department of Biotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Sonepat, India; Centre for Biotechnology, Maharishi Dayanand University, Rohtak, India
| | - Manshi Tyagi
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Shikha Wadhwa
- Amity Institute of Nanotechnology, Amity University, Noida, Uttar Pradesh, India
| | - Ashish Mathur
- Amity Institute of Nanotechnology, Amity University, Noida, Uttar Pradesh, India
| | - Jagriti Narang
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India.
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123
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Exfoliated and water dispersible biocarbon nanotubes for enzymology applications. Methods Enzymol 2020. [PMID: 31931996 DOI: 10.1016/bs.mie.2019.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
In this chapter, we report a simple and facile method to armor enzymes with carbon nanotubes (CNTs) which are exfoliated, and debundled using bovine serum albumin (BSA). The fabricated CNT/BSA dispersions are biofriendly, biocompatible, defect-free, and highly stable solutions. BSA gives maximum exfoliation efficiency, exceeding the 4mg/mL of CNT concentration compared to any previous reports. Further, the produced bioCNT dispersions were characterized by UV-visible, Raman, circular dichroism spectroscopy, and scanning electron microscopy (SEM). Exfoliation and debundling of the bioCNT dispersions is possible due to the π-π interaction, hydrogen bonding, hydrophobic interaction, and electrostatic attractive forces driving the adsorption of BSA on CNTs surface. Protein adsorption then makes a highly stable suspension in water that can be stored for a prolonged period. CNT dispersions are stable over a wide range of pH from 3 to 10 and at 4°C or 25°C for more than 2 months. Here, we also report the facile, inexpensive and green-chemistry method to fabricate a buckypaper (CNT paper), composed of the high packing density, self-assembled and randomly oriented bioCNTs, and these assemblies could be used in many emerging applications like air and water purification, nanocomposites, energy storage, and biosensing. Moreover, the CNT dispersions stabilized by BSA were successfully used in enzyme binding and kinetic studies and bound enzyme retained substantial catalytic activity. The current approach may facilitate bulk production of water dispersed CNTs in both academic and industrial laboratories. This is done by a simple method of stirring, which provides new opportunities for a wider range of CNT applications.
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124
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Multiwalled carbon nanotubes bound beta-galactosidase: It's activity, stability and reusability. Methods Enzymol 2020. [PMID: 31931994 DOI: 10.1016/bs.mie.2019.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Carbon nanotubes (CNTs) based biosensors are recognized to be a next generation building block for ultrasensitive and fast biosensing systems. This article starting with a brief history on CNTs provides an overview on the recent expansion of research in the field of CNT-based biosensors. This is followed by the discussion on structure and properties related to CNTs. Furthermore, the basic and some newly developed synthetic methods of CNTs are summarized. In this chapter, we used polyaniline cobalt multiwalled CNTs to immobilize β-galactosidase, by adopting both noncovalent and covalent strategies. Herein, the methodologies of both techniques have been discussed in detail. The η (effectiveness factor) values for nanocomposite bound β-galactosidase by physical adsorption and covalent method were calculated to be 0.93 and 0.97, respectively. The covalently bound β-galactosidase retained 92% activity even after its 10th successive reuse as compared to the adsorbed enzyme which exhibited only 74% of its initial activity. CNT armored enzymes demonstrated remarkably high catalytic stability at both sides of temperature and pH-optima along with easy recovery from the reaction medium which can be utilized in various biotechnological applications. Lastly, the scientific and technological challenges in the field are discussed at the end of this chapter.
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Patila M, Chalmpes N, Dounousi E, Stamatis H, Gournis D. Use of functionalized carbon nanotubes for the development of robust nanobiocatalysts. Methods Enzymol 2020; 630:263-301. [DOI: 10.1016/bs.mie.2019.10.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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127
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Hybrid Organic/Inorganic Nano-I-Beam for Structural Nano-mechanics. Sci Rep 2019; 9:18324. [PMID: 31797945 PMCID: PMC6893021 DOI: 10.1038/s41598-019-53588-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/18/2019] [Indexed: 11/26/2022] Open
Abstract
For years Carbon nano-tube has shown merits in industrial applications including high structural strength-to-weight ratio. However, from structural mechanics perspective the tube geometrical cross-section is less favored for providing high structural stiffness and strength. Hybrid Organic/Inorganic Nano-I-Beam is thus introduced for improved Structural Nano-mechanics. It has been found that both Wide Flange Nano-I-Beam and Equal Flange & Web Nano-I-beam provide higher structural stiffness and less induced stress and thus longer service life than Nano-Tube. It has been also found that Wide Flange Nano-I-Beam provides higher structural stiffness and less induced stress and thus longer service life than Equal Flange & Web Nano-I-beam. A thermodynamic model of the growth of nano-tubes accounting for vibrational entropy is presented. The results have cost-effectively potential benefit in applications such as nano-heat engines & sensors.
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128
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Carbon nanotubes: An effective platform for biomedical electronics. Biosens Bioelectron 2019; 150:111919. [PMID: 31787449 DOI: 10.1016/j.bios.2019.111919] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/14/2019] [Accepted: 11/22/2019] [Indexed: 02/07/2023]
Abstract
Cylindrical fullerenes (or carbon nanotubes (CNTs)) have been extensively investigated as potential sensor platforms due to effective and practical manipulation of their physical and chemical properties by functionalization/doping with chemical groups suitable for novel nanocarrier systems. CNTs play a significant role in biomedical applications due to rapid development of synthetic methods, structural integration, surface area-controlled heteroatom doping, and electrical conductivity. This review article comprehensively summarized recent trends in biomedical science and technologies utilizing a promising nanomaterial of CNTs in disease diagnosis and therapeutics, based on their biocompatibility and significance in drug delivery, implants, and bio imaging. Biocompatibility of CNTs is essential for designing effective and practical electronic applications in the biomedical field particularly due to their growing potential in the delivery of anticancer agents. Furthermore, functionalized CNTs have been shown to exhibit advanced electrochemical properties, responsible for functioning of numerous oxidase and dehydrogenase based amperometric biosensors. Finally, faster signal transduction by CNTs allows charge transfer between underlying electrode and redox centres of biomolecules (enzymes).
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129
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Qin X, Yu C, Wei J, Li L, Zhang C, Wu Q, Liu J, Yao SQ, Huang W. Rational Design of Nanocarriers for Intracellular Protein Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1902791. [PMID: 31496027 DOI: 10.1002/adma.201902791] [Citation(s) in RCA: 141] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 07/04/2019] [Indexed: 06/10/2023]
Abstract
Protein/antibody therapeutics have exhibited the advantages of high specificity and activity even at an extremely low concentration compared to small molecule drugs. However, they are accompanied by unfavorable physicochemical properties such as fragile tertiary structure, large molecular size, and poor penetration of the membrane, and thus the clinical use of protein drugs is hindered by inefficient delivery of proteins into the host cells. To overcome the challenges associated with protein therapeutics and enhance their biopharmaceutical applications, various protein-loaded nanocarriers with desired functions, such as lipid nanocapsules, polymeric nanoparticles, inorganic nanoparticles, and peptides, are developed. In this review, the different strategies for intracellular delivery of proteins are comprehensively summarized. Their designed routes, mechanisms of action, and potential therapeutics in live cells or in vivo are discussed in detail. Furthermore, the perspective on the new generation of delivery systems toward the emerging area of protein-based therapeutics is presented as well.
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Affiliation(s)
- Xiaofei Qin
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Changmin Yu
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Jing Wei
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Lin Li
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Chengwu Zhang
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Qiong Wu
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Jinhua Liu
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore, Singapore, 117543, Singapore
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211800, P. R. China
- Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
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Thermodynamics of multi-walled carbon nanotube biofunctionalization using nisin: The effect of peptide structure. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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131
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Gillen AJ, Boghossian AA. Non-covalent Methods of Engineering Optical Sensors Based on Single-Walled Carbon Nanotubes. Front Chem 2019; 7:612. [PMID: 31616652 PMCID: PMC6763700 DOI: 10.3389/fchem.2019.00612] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 08/21/2019] [Indexed: 12/31/2022] Open
Abstract
Optical sensors based on single-walled carbon nanotubes (SWCNTs) demonstrate tradeoffs that limit their use in in vivo and in vitro environments. Sensor characteristics are primarily governed by the non-covalent wrapping used to suspend the hydrophobic SWCNTs in aqueous solutions, and we herein review the advantages and disadvantages of several of these different wrappings. Sensors based on surfactant wrappings can show enhanced quantum efficiency, high stability, scalability, and diminished selectivity. Conversely, sensors based on synthetic and bio-polymer wrappings tend to show lower quantum efficiency, stability, and scalability, while demonstrating improved selectivity. Major efforts have focused on optimizing sensors based on DNA wrappings, which have intermediate properties that can be improved through synthetic modifications. Although SWCNT sensors have, to date, been mainly engineered using empirical approaches, herein we highlight alternative techniques based on iterative screening that offer a more guided approach to tuning sensor properties. These more rational techniques can yield new combinations that incorporate the advantages of the diverse nanotube wrappings available to create high performance optical sensors.
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Nambiar M, Nepal M, Chmielewski J. Self-Assembling Coiled-Coil Peptide Nanotubes with Biomolecular Cargo Encapsulation. ACS Biomater Sci Eng 2019; 5:5082-5087. [PMID: 33455255 DOI: 10.1021/acsbiomaterials.9b01304] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Monessha Nambiar
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Manish Nepal
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Jean Chmielewski
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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133
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Novel biomaterial based on monoamine oxidase-A and multi-walled carbon nanotubes for serotonin detection. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2019.107240] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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134
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Yadav M, Ganesan V, Maiti B, Gupta R, Sonkar PK, Yadav DK, Walcarius A. Sensitive Determination of Acetaminophen in the Presence of Dopamine and Pyridoxine Facilitated by their Extent of Interaction with Single‐walled Carbon Nanotubes. ELECTROANAL 2019. [DOI: 10.1002/elan.201900178] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Mamta Yadav
- Department of Chemistry, Institute of ScienceBanaras Hindu University Varanasi – 221005, UP India
| | - Vellaichamy Ganesan
- Department of Chemistry, Institute of ScienceBanaras Hindu University Varanasi – 221005, UP India
| | - Biswajit Maiti
- Department of Chemistry, Institute of ScienceBanaras Hindu University Varanasi – 221005, UP India
| | - Rupali Gupta
- Department of Chemistry, Institute of ScienceBanaras Hindu University Varanasi – 221005, UP India
| | - Piyush Kumar Sonkar
- Department of Chemistry, Institute of ScienceBanaras Hindu University Varanasi – 221005, UP India
| | - Dharmendra Kumar Yadav
- Department of Chemistry, Institute of ScienceBanaras Hindu University Varanasi – 221005, UP India
| | - Alain Walcarius
- Laboratoire de Chimie Physique et Microbiologie pour les Matériaux et l'Environnement (LCPME), UMR 7564CNRS – Université de Lorraine 405 rue de Vandoeuvre 54600 Villers-les-Nancy France
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135
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Sharma P, Mehta M, Dhanjal DS, Kaur S, Gupta G, Singh H, Thangavelu L, Rajeshkumar S, Tambuwala M, Bakshi HA, Chellappan DK, Dua K, Satija S. Emerging trends in the novel drug delivery approaches for the treatment of lung cancer. Chem Biol Interact 2019; 309:108720. [DOI: 10.1016/j.cbi.2019.06.033] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/01/2019] [Accepted: 06/17/2019] [Indexed: 12/24/2022]
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136
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Dudina A, Frey U, Hierlemann A. Carbon-Nanotube-Based Monolithic CMOS Platform for Electrochemical Detection of Neurotransmitter Glutamate. SENSORS (BASEL, SWITZERLAND) 2019; 19:E3080. [PMID: 31336874 PMCID: PMC6660312 DOI: 10.3390/s19143080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 07/02/2019] [Accepted: 07/03/2019] [Indexed: 02/02/2023]
Abstract
We present a monolithic biosensor platform, based on carbon-nanotube field-effect transistors (CNTFETs), for the detection of the neurotransmitter glutamate. We used an array of 9'216 CNTFET devices with 96 integrated readout and amplification channels that was realized in complementary metal-oxide semiconductor technology (CMOS). The detection principle is based on amperometry, where electrochemically active hydrogen peroxide, a product of the enzymatic reaction of the target analyte and an enzyme that was covalently bonded to the CNTFET, modulated the conductance of the CNTFET-based sensors. We assessed the performance of the CNTs as enzymatic sensors by evaluating the minimal resolvable concentration change of glutamate in aqueous solutions. The minimal resolvable concentration change amounted to 10 µM of glutamate, which was one of the best values reported for CMOS-based systems so far.
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Affiliation(s)
- Alexandra Dudina
- Bio Engineering Laboratory, Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland.
| | - Urs Frey
- Bio Engineering Laboratory, Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland
- MaxWell Biosystems AG, CH-4058 Basel, Switzerland
| | - Andreas Hierlemann
- Bio Engineering Laboratory, Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland
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137
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Gollakota ARK, Volli V, Shu CM. Progressive utilisation prospects of coal fly ash: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 672:951-989. [PMID: 30981170 DOI: 10.1016/j.scitotenv.2019.03.337] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/21/2019] [Accepted: 03/22/2019] [Indexed: 05/20/2023]
Abstract
The rapid surge in global energy needs has paved way for the development of various alternatives to natural resources every now and then. However, dependence on coal-based energy has not reduced greatly. Thus, massive quantities of coal fly ash (CFA) are generated worldwide, which is a serious threat to ecology owing to constraints associated with its storage and disposal. There exists a pressing and ongoing need to develop new, and green product streams from CFA to reduce the threat to the environment. The present review begins with an emphasis on the generation, physicochemical properties, and potential dangers of CFA. Then, it focuses on impending applications such as synthesis of geopolymers (alternative to cement), silica aerogels (insulating materials), carbon nanotubes (carbon allotropes) for electronic devices, and the separation of radioactive isotopes as well as rare earth elements from CFA. Furthermore, the review analyses factors restraining the motive for effective management strategies that drives utilisation of CFA (either in raw and processed state) for new product streams. Finally, the review elucidates the role of CFA as an emerging input in delivering eco-friendly amenities and future derivatives.
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Affiliation(s)
- Anjani R K Gollakota
- Department of Safety, Health, & Environmental Engineering, National Yunlin University of Science and Technology, Douliou City, Yunlin County 64002, Taiwan, ROC.
| | - Vikranth Volli
- Department of Safety, Health, & Environmental Engineering, National Yunlin University of Science and Technology, Douliou City, Yunlin County 64002, Taiwan, ROC
| | - Chi-Min Shu
- Department of Safety, Health, & Environmental Engineering, National Yunlin University of Science and Technology, Douliou City, Yunlin County 64002, Taiwan, ROC.
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138
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Fadil F, Nor Affandi ND, Misnon MI. Mechanical behaviour of MWCNTs reinforced electrospun nanofibres. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2019. [DOI: 10.1080/10601325.2019.1623696] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Fatirah Fadil
- Textile Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
| | - Nor Dalila Nor Affandi
- Textile Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
| | - Mohd Iqbal Misnon
- Textile Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
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139
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Neupane S, Patnode K, Li H, Baryeh K, Liu G, Hu J, Chen B, Pan Y, Yang Z. Enhancing Enzyme Immobilization on Carbon Nanotubes via Metal-Organic Frameworks for Large-Substrate Biocatalysis. ACS APPLIED MATERIALS & INTERFACES 2019; 11:12133-12141. [PMID: 30839195 DOI: 10.1021/acsami.9b01077] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Biocatalysis of large-sized substrates finds wide applications. Immobilizing the involved enzymes on solid supports improves biocatalysis yet faces challenges such as enzyme structural perturbation, leaching, and low cost-efficiencies, depending on immobilization strategies/matrices. Carbon nanotubes (CNTs) are attractive matrices but challenged by enzyme leaching (physical adsorption) or perturbation (covalent linking). Zeolitic imidazolate frameworks (ZIFs) overcome these issues. However, our recent study [ J. Am. Chem. Soc., 2018, 140, 16032-16036] showed reduced cost-efficiency as enzymes trapped below the ZIF surfaces cannot participate in biocatalysis; the enzyme-ZIF composites are also unstable under acidic conditions. In this work, we demonstrate the feasibility of using ZIFs to immobilize enzymes on CNT surfaces on two model enzymes, T4 lysozyme and amylase, both of which showed negligible leaching and retained catalytic activity under neutral and acidic conditions. To better understand the behavior of enzymes on CNTs and CNT-ZIF, we characterized enzyme orientation on both matrices using site-directed spin-labeling (SDSL)-electron paramagnetic resonance (EPR), which is immune to the complexities caused by CNT and ZIF background signals and enzyme-matrix interactions. Our structural investigations showed enhanced enzyme exposure to the solvent compared to enzymes in ZIFs alone; orientation of enzymes in matrices itself is directly related to substrate accessibility and, therefore, essential for understanding and improving catalytic efficiency. To the best of our knowledge, this is the first time ZIFs and one-pot synthesis are employed to anchor large-substrate enzymes on CNT surfaces for biocatalysis. This is also the first report of enzyme orientation on the CNT surface and upon trapping in CNT-ZIF composites. Our results are essential for guiding the rational design of CNT-ZIF combinations to improve enzyme stabilization, loading capacity, and catalytic efficiency.
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Affiliation(s)
| | | | | | | | | | - Jinlian Hu
- Institute of Textiles and Clothing , The Hong Kong Polytechnic University , Kowloon 999077 , Hong Kong , China
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140
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Deliormanlı AM, Atmaca H. Prechondrogenic ATDC5 cell response to graphene/multi-walled carbon nanotube-containing porous polycaprolactone biocomposite scaffolds. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2018.1539984] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Aylin M. Deliormanlı
- Faculty of Engineering, Department of Metallurgical and Materials Engineering, Manisa Celal Bayar University, Yunusemre, Manisa, Turkey
| | - Harika Atmaca
- Faculty of Science and Literature, Department of Biology, Manisa Celal Bayar University, Yunusemre, Manisa, Turkey
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141
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An Overview of the Recent Progress in the Synthesis and Applications of Carbon Nanotubes. C — JOURNAL OF CARBON RESEARCH 2019. [DOI: 10.3390/c5010003] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Carbon nanotubes (CNTs) are known as nano-architectured allotropes of carbon, having graphene sheets that are wrapped forming a cylindrical shape. Rolling of graphene sheets in different ways makes CNTs either metals or narrow-band semiconductors. Over the years, researchers have devoted much attention to understanding the intriguing properties CNTs. They exhibit some unusual properties like a high degree of stiffness, a large length-to-diameter ratio, and exceptional resilience, and for this reason, they are used in a variety of applications. These properties can be manipulated by controlling the diameter, chirality, wall nature, and length of CNTs which are in turn, synthesis procedure-dependent. In this review article, various synthesis methods for the production of CNTs are thoroughly elaborated. Several characterization methods are also described in the paper. The applications of CNTs in various technologically important fields are discussed in detail. Finally, future prospects of CNTs are outlined in view of their commercial applications.
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142
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Ihsanullah. Carbon nanotube membranes for water purification: Developments, challenges, and prospects for the future. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.07.043] [Citation(s) in RCA: 190] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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143
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Mallakpour S, Rashidimoghadam S. Poly(vinyl alcohol)/Vitamin C-multi walled carbon nanotubes composites and their applications for removal of methylene blue: Advanced comparison between linear and nonlinear forms of adsorption isotherms and kinetics models. POLYMER 2019. [DOI: 10.1016/j.polymer.2018.11.035] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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144
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Thurner GC, Debbage P. Molecular imaging with nanoparticles: the dwarf actors revisited 10 years later. Histochem Cell Biol 2018; 150:733-794. [PMID: 30443735 PMCID: PMC6267421 DOI: 10.1007/s00418-018-1753-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2018] [Indexed: 11/14/2022]
Abstract
We explore present-day trends and challenges in nanomedicine. Creativity in the laboratories continues: the published literature on novel nanoparticles is now vast. Nanoagents are discussed here which are composed entirely of strongly photoluminescent materials, tunable to desired optical properties and of inherently low toxicity. We focus on "quantum nanoparticles" prepared from allotropes of carbon. The principles behind strong, tunable photoluminescence are quantum mechanical: we present them in simple outline. The major industries racing to develop these materials can offer significant technical guidance to nanomedicine, which could help to custom-design strongly signalling nanoagents specifically for stated clinical applications. Since such agents are small, they can be targeted easily, making active targeting possible. We consider it timely now to study the interactions nanoparticles undergo with tissue components in living animals and to learn to understand and overcome the numerous barriers the organism interposes between the blood and targets in or on parenchymal cells. As the near infra-red spectrum opens up, detection of glowing nanoparticles several centimeters deep in a living human subject becomes calculable and we present a simple way to do this. Finally, we discuss the slow-fuse and resource-inefficient entry of nanoparticles into clinical application. A first possible reason is failure to target across the body's barriers, see above. Second, in the sparse translational landscape funding and support gaps yawn widely between academic research and subsequent development. We consider the agendas of the numerous "stakeholders" participating in this sad landscape and point to some faint glimmers of hope for the future.
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Affiliation(s)
- Gudrun C Thurner
- Department of Radiology, Innsbruck Medical University, 6020, Innsbruck, Austria
| | - Paul Debbage
- Division of Histology and Embryology, Department of Anatomy, Medical University Innsbruck, Muellerstrasse 59, 6020, Innsbruck, Austria.
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145
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Barbosa MB, Martins EMDN, Teixeira TF, Carvalho RDE, Coelho JP, Resende RR, Oliveira EF, Santos AP, Andrade ASRD, Furtado CA. A carefully designed nanoplatform based on multi walled carbon nanotube wrapped with aptamers. Colloids Surf B Biointerfaces 2018; 175:175-183. [PMID: 30530003 DOI: 10.1016/j.colsurfb.2018.11.064] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/21/2018] [Accepted: 11/26/2018] [Indexed: 02/01/2023]
Abstract
The interaction between carbon nanotubes (CNTs) and biological molecules of diagnostic and therapeutic interest, as well as the internalization of the CNTs-biomolecules complexes in different types of cell, has been extensively studied due to the potential use of these nanocomplexes as multifunctional nanoplatforms in a great variety of biomedical applications. The effective use of these nanobiotechnologies requires broad multidisciplinary studies of biocompatibility, regarding, for example, the in vitro and in vivo nanotoxicological assays, the capacity to target specific cells and the evaluation of their biomedical potential. However, the first step to be reached is the careful obtainment of the nanoplatform and the understanding of the actual surface composition and structural integrity of the complex system. In this work, we show the detailed construction of a nanoplatform created by the noncovalent interaction between oxidized multi walled carbon nanotubes (MWCNTs) and a DNA aptamer targeting tumor cells. The excess free aptamer was removed by successive washes, revealing the actual surface of the nanocomplex. The MWCNT-aptamer interaction by π-stacking was evidenced and shown to contribute in obtaining a stable nanocomplex compatible with aqueous media having good cell viability. The nucleotide sequence of the aptamer remained intact after the functionalization, allowing its use in further studies of specificity and binding affinity and for the construction of functional nanoplatforms.
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Affiliation(s)
| | | | | | | | - João Paulo Coelho
- Centro de Desenvolvimento da Tecnologia Nuclear, 31270-901 Belo Horizonte, MG, Brazil
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146
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Perepelytsina OM, Ugnivenko AP, Dobrydnev AV, Bakalinska ON, Marynin AI, Sydorenko MV. Influence of Carbon Nanotubes and Its Derivatives on Tumor Cells In Vitro and Biochemical Parameters, Cellular Blood Composition In Vivo. NANOSCALE RESEARCH LETTERS 2018; 13:286. [PMID: 30209630 PMCID: PMC6135734 DOI: 10.1186/s11671-018-2689-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 08/27/2018] [Indexed: 06/08/2023]
Abstract
The aim of the proposed work was to analyze the toxicity of oxidized carbon nanotubes (CNTox), functionalized by doxorubicin (CNT-Dox) and fluorescein (CNT-FITC) on cell and organism level. The cytotoxic effect of CNTox, CNT-Dox, and CNT-FITC was analyzed on tumor cells in vitro (2-D, 3-D cultures) and on Balb2/c mice model in vivo. As a result, it was demonstrated the possibility of doxorubicin immobilization on the surface of CNT and controlled release of doxorubicin (Dox) from the surface of CNT. Dox immobilization coincident with decreasing cytotoxic effect CNT-Dox compared with free Dox. Breakdown of peptide bonds with CNT surface led to the release of doxorubicin and dose-dependent enhancement of the cytotoxic effect of CNTs and Dox. The combined cytotoxic effect from CNTs, Dox, and trypsin on the survival of tumor cells was shown. At the organism level, it was investigated the effect of the obtained nanostructures on the state of hepatic enzymatic system, the protein metabolism, and cell blood composition of the experimental animals. CNTox influence in vivo model was statistically the same as control. CNT-Dox demonstrated lower total organism toxic effect compared to the pure doxorubicin. Deviations in the cell blood composition indicated a general toxic effect of CNT-Dox, but it was more moderate compared with of pure doxorubicin. From the data obtained, we concluded that binding CNTs with doxorubicin allows reducing toxicity of the doxorubicin on the general biochemical indicators of blood and violations in the blood cells composition in vivo. At the same time, the combined effect of CNTs and doxorubicin after drug release allowed us to achieve greater efficacy in suppressing tumor growth in vitro.
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Affiliation(s)
- Olena M. Perepelytsina
- Department for Biotechnical Problems of Diagnostic IPCC, Nauky str.,42/1, Kiev, 03028 Ukraine
| | - Andriy P. Ugnivenko
- Department for Biotechnical Problems of Diagnostic IPCC, Nauky str.,42/1, Kiev, 03028 Ukraine
| | - Alexey V. Dobrydnev
- Chemistry Department, Taras Shevchenko National University of Kiev, Lva Tolstoho str. 12, Kiev, 01033 Ukraine
| | - Olga N. Bakalinska
- Chuiko Institute of Surface Chemistry NAS of Ukraine, 17 General Naumov str., Kiev, 03164 Ukraine
| | - Andrii I. Marynin
- National University of Food Technologies, 68, Volodymyrska str., Kiev, 01601 Ukraine
| | - Mychailo V. Sydorenko
- Department for Biotechnical Problems of Diagnostic IPCC, Nauky str.,42/1, Kiev, 03028 Ukraine
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147
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Sieradzan AK, Mozolewska MA. Extension of coarse-grained UNRES force field to treat carbon nanotubes. J Mol Model 2018; 24:121. [PMID: 29700628 PMCID: PMC5920012 DOI: 10.1007/s00894-018-3656-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 04/13/2018] [Indexed: 11/25/2022]
Abstract
Carbon nanotubes (CNTs) have recently received considerable attention because of their possible applications in various branches of nanotechnology. For their cogent application, knowledge of their interactions with biological macromolecules, especially proteins, is essential and computer simulations are very useful for such studies. Classical all-atom force fields limit simulation time scale and size of the systems significantly. Therefore, in this work, we implemented CNTs into the coarse-grained UNited RESidue (UNRES) force field. A CNT is represented as a rigid infinite-length cylinder which interacts with a protein through the Kihara potential. Energy conservation in microcanonical coarse-grained molecular dynamics simulations and temperature conservation in canonical simulations with UNRES containing the CNT component have been verified. Subsequently, studies of three proteins, bovine serum albumin (BSA), soybean peroxidase (SBP), and α-chymotrypsin (CT), with and without CNTs, were performed to examine the influence of CNTs on the structure and dynamics of these proteins. It was found that nanotubes bind to these proteins and influence their structure. Our results show that the UNRES force field can be used for further studies of CNT-protein systems with 3-4 order of magnitude larger timescale than using regular all-atom force fields. Graphical abstract Bovine serum albumin (BSA), soybean peroxidase (SBP), and α-chymotrypsin (CT), with and without CNTsᅟ.
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Affiliation(s)
- Adam K Sieradzan
- Faculty of Chemistry, University of Gdansk, ul. Wita Stwosza 63, 80-308, Gdansk, Poland
| | - Magdalena A Mozolewska
- Faculty of Chemistry, University of Gdansk, ul. Wita Stwosza 63, 80-308, Gdansk, Poland.
- Institute of Computer Science, Polish Academy of Sciences, ul. Jana Kazimierza 5, 01-248, Warsaw, Poland.
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148
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Abdolmaleki A, Mallakpour S, Azimi F. Microwave and ultrasound-assisted synthesis of poly(vinyl chloride)/riboflavin modified MWCNTs: Examination of thermal, mechanical and morphology properties. ULTRASONICS SONOCHEMISTRY 2018; 41:27-36. [PMID: 29137752 DOI: 10.1016/j.ultsonch.2017.09.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 09/08/2017] [Accepted: 09/10/2017] [Indexed: 06/07/2023]
Abstract
This study focused on the preparation and investigation of physicochemical features of new poly(vinyl chloride) (PVC) nanocomposites (NCs) including different amounts of carboxylated multi-walled carbon nanotubes (MWCNTs-COOH) functionalized with riboflavin (RIB). Firstly, to increase the hydrophilicity of MWCNTs, the surface of them was functionalized by incorporating and formation of ester groups with RIB as a low cost and environmentally friendly biomolecule through ultrasound and microwave irradiations. Afterwards, PVC/RIB-MWCNTs NCs were fabricated via the solution casting and ultrasonic dispersion methods. Prepared NCs were examined by X-ray diffraction, thermogravimetric analysis, field emission scanning electron microscopy, transmission electron micrograph, and Raman spectroscopy. The PVC/RIB-MWCNTs NCs (12wt%) showed the higher mechanical and thermal behavior as compared to other concentration of MWCNTs.
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Affiliation(s)
- Amir Abdolmaleki
- Organic Polymer Chemistry Research Laboratory, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran; Research Institute for Nanotechnology and Advanced Materials, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran; College of Pardis, Chemistry Section, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
| | - Shadpour Mallakpour
- Organic Polymer Chemistry Research Laboratory, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran; Research Institute for Nanotechnology and Advanced Materials, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran; College of Pardis, Chemistry Section, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
| | - Faezeh Azimi
- College of Pardis, Chemistry Section, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
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149
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Theoretical and experimental models for the synthesis of single-walled carbon nanotubes and their electrochemical properties. J APPL ELECTROCHEM 2018. [DOI: 10.1007/s10800-018-1158-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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150
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Ong CB, Annuar MSM. Immobilization of cross-linked tannase enzyme on multiwalled carbon nanotubes and its catalytic behavior. Prep Biochem Biotechnol 2018; 48:181-187. [DOI: 10.1080/10826068.2018.1425707] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Chong-Boon Ong
- Faculty of Science, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Mohamad S. M. Annuar
- Faculty of Science, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
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