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Jiang J, Liu J, Liu X, Xu X, Liu Z, Huang S, Huang X, Yao C, Wang X, Chen Y, Chen HJ, Wang J, Xie X. Coupling of nanostraws with diverse physicochemical perforation strategies for intracellular DNA delivery. J Nanobiotechnology 2024; 22:131. [PMID: 38532389 DOI: 10.1186/s12951-024-02392-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/10/2024] [Indexed: 03/28/2024] Open
Abstract
Effective intracellular DNA transfection is imperative for cell-based therapy and gene therapy. Conventional gene transfection methods, including biochemical carriers, physical electroporation and microinjection, face challenges such as cell type dependency, low efficiency, safety concerns, and technical complexity. Nanoneedle arrays have emerged as a promising avenue for improving cellular nucleic acid delivery through direct penetration of the cell membrane, bypassing endocytosis and endosome escape processes. Nanostraws (NS), characterized by their hollow tubular structure, offer the advantage of flexible solution delivery compared to solid nanoneedles. However, NS struggle to stably self-penetrate the cell membrane, resulting in limited delivery efficiency. Coupling with extra physiochemical perforation strategies is a viable approach to improve their performance. This study systematically compared the efficiency of NS coupled with polyethylenimine (PEI) chemical modification, mechanical force, photothermal effect, and electric field on cell membrane perforation and DNA transfection. The results indicate that coupling NS with PEI modification, mechanical force, photothermal effects provide limited enhancement effects. In contrast, NS-electric field coupling significantly improves intracellular DNA transfection efficiency. This work demonstrates that NS serve as a versatile platform capable of integrating various physicochemical strategies, while electric field coupling stands out as a form worthy of primary consideration for efficient DNA transfection.
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Affiliation(s)
- Juan Jiang
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Republic of China
| | - Jing Liu
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Republic of China
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China
| | - Xinmin Liu
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Republic of China
| | - Xingyuan Xu
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China
| | - Zhengjie Liu
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China
| | - Shuang Huang
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China
| | - Xinshuo Huang
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China
| | - Chuanjie Yao
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China
| | - Xiafeng Wang
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Republic of China
| | - Yixin Chen
- Sun Yat-sen University Zhongshan School of Medicine, Guangzhou, 510080, Republic of China
| | - Hui-Jiuan Chen
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China.
| | - Ji Wang
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Republic of China.
| | - Xi Xie
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Republic of China.
- State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, Republic of China.
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Towards the Optimization of eDNA/eRNA Sampling Technologies for Marine Biosecurity Surveillance. WATER 2021. [DOI: 10.3390/w13081113] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The field of eDNA is growing exponentially in response to the need for detecting rare and invasive species for management and conservation decisions. Developing technologies and standard protocols within the biosecurity sector must address myriad challenges associated with marine environments, including salinity, temperature, advective and deposition processes, hydrochemistry and pH, and contaminating agents. These approaches must also provide a robust framework that meets the need for biosecurity management decisions regarding threats to human health, environmental resources, and economic interests, especially in areas with limited clean-laboratory resources and experienced personnel. This contribution aims to facilitate dialogue and innovation within this sector by reviewing current approaches for sample collection, post-sampling capture and concentration of eDNA, preservation, and extraction, all through a biosecurity monitoring lens.
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Qu Y, Zhang Y, Yu Q, Chen H. Surface-Mediated Intracellular Delivery by Physical Membrane Disruption. ACS APPLIED MATERIALS & INTERFACES 2020; 12:31054-31078. [PMID: 32559060 DOI: 10.1021/acsami.0c06978] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Effective and nondestructive intracellular delivery of exogenous molecules and other functional materials into living cells is of importance for diverse biological fundamental research and therapeutic applications, such as gene editing and cell-based therapies. However, for most exogenous molecules, the cell plasma membrane is effectively impermeable and thus remains the greatest barrier to intracellular delivery. In recent years, methods based on surface-mediated physical membrane disruption have attracted considerable attention. These methods exploit the physical properties of the surface to transiently increase the membrane permeability of cells come in contact thereto, thereby facilitating the efficient intracellular delivery of molecules regardless of molecule or target cell type. In this Review, we focus on recent progress, particularly over the past decade, on these surface-mediated membrane disruption-based delivery systems. According to the membrane disruption mechanism, three categories can be recognized: (i) mechanical penetration, (ii) electroporation, and (iii) photothermal poration. Each of these is discussed in turn and a brief perspective on future developments in this promising area is presented.
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Affiliation(s)
- Yangcui Qu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Yanxia Zhang
- Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, 215007, P. R. China
| | - Qian Yu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Hong Chen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
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Yao L, Wang X, Weng W, Fu Y, Cheng K. Bioactive nanocomposite coatings under visible light illumination promoted surface-mediated gene delivery. Biomater Sci 2020; 8:3685-3696. [DOI: 10.1039/d0bm00123f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bioactive coatings with photothermal conversion ability were used to spatially and temporally control surface-mediated gene delivery under visible light illumination.
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Affiliation(s)
- Lili Yao
- School of Materials Science and Engineering
- State Key Laboratory of Silicon Materials
- Cyrus Tang Center for Sensor Materials and Applications
- Zhejiang University
- Hangzhou
| | - Xiaozhao Wang
- Department of Orthopaedic Surgery
- Second Affiliated Hospital & Zhejiang University-University of Edinburgh Institute & School of Basic Medicine
- Zhejiang University School of Medicine
- Hangzhou 310058
- China
| | - Wenjian Weng
- School of Materials Science and Engineering
- State Key Laboratory of Silicon Materials
- Cyrus Tang Center for Sensor Materials and Applications
- Zhejiang University
- Hangzhou
| | - Yongqing Fu
- Faculty of Engineering & Environment
- Northumbria University
- Newcastle upon Tyne
- UK
| | - Kui Cheng
- School of Materials Science and Engineering
- State Key Laboratory of Silicon Materials
- Cyrus Tang Center for Sensor Materials and Applications
- Zhejiang University
- Hangzhou
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Ansari AS, Santerre PJ, Uludağ H. Biomaterials for polynucleotide delivery to anchorage-independent cells. J Mater Chem B 2017; 5:7238-7261. [DOI: 10.1039/c7tb01833a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Comparison of various chemical vectors used for polynucleotide delivery to mammalian anchorage-independent cells.
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Affiliation(s)
- Aysha S. Ansari
- Department of Chemical & Materials Engineering
- Faculty of Engineering
- University of Alberta
- Edmonton
- Canada
| | - Paul J. Santerre
- Institute of Biomaterials & Biomedical Engineering
- University of Toronto
- Toronto
- Canada
| | - Hasan Uludağ
- Department of Chemical & Materials Engineering
- Faculty of Engineering
- University of Alberta
- Edmonton
- Canada
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Abstract
The key impediment to the successful application of gene therapy in clinics is not the paucity of therapeutic genes. It is rather the lack of nontoxic and efficient strategies to transfer therapeutic genes into target cells. Over the past few decades, considerable progress has been made in gene transfer technologies, and thus far, three different delivery systems have been developed with merits and demerits characterizing each system. Viral and chemical methods of gene transfer utilize specialized carrier to overcome membrane barrier and facilitate gene transfer into cells. Physical methods, on the other hand, utilize various forms of mechanical forces to enforce gene entry into cells. Starting in 1980s, physical methods have been introduced as alternatives to viral and chemical methods to overcome various extra- and intracellular barriers that limit the amount of DNA reaching the intended cells. Accumulating evidence suggests that it is quite feasible to directly translocate genes into cytoplasm or even nuclei of target cells by means of mechanical force, bypassing endocytosis, a common pathway for viral and nonviral vectors. Indeed, several methods have been developed, and the majority of them share the same underlying mechanism of gene transfer, i.e., physically created transient pores in cell membrane through which genes get into cells. Here, we provide an overview of the current status and future research directions in the field of physical methods of gene transfer.
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Bonde S, Buch-Månson N, Rostgaard KR, Andersen TK, Berthing T, Martinez KL. Exploring arrays of vertical one-dimensional nanostructures for cellular investigations. NANOTECHNOLOGY 2014; 25:362001. [PMID: 25130133 DOI: 10.1088/0957-4484/25/36/362001] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The endeavor of exploiting arrays of vertical one-dimensional (1D) nanostructures (NSs) for cellular applications has recently been experiencing a pronounced surge of activity. The interest is rooted in the intrinsic properties of high-aspect-ratio NSs. With a height comparable to a mammalian cell, and a diameter 100-1000 times smaller, NSs should intuitively reach far into a cell and, due to their small diameter, do so without compromising cell health. Single NSs would thus be expedient for measuring and modifying cell response. Further organization of these structures into arrays can provide up-scaled and detailed spatiotemporal information on cell activity, an achievement that would entail a massive leap forward in disease understanding and drug discovery. Numerous proofs-of-principle published recently have expanded the large toolbox that is currently being established in this rapidly advancing field of research. Encouragingly, despite the diversity of NS platforms and experimental conditions used thus far, general trends and conclusions from combining cells with NSs are beginning to crystallize. This review covers the broad spectrum of NS materials and dimensions used; the observed cellular responses with specific focus on adhesion, morphology, viability, proliferation, and migration; compares the different approaches used in the field to provide NSs with the often crucial cytosolic access; covers the progress toward biological applications; and finally, envisions the future of this technology. By maintaining the impressive rate and quality of recent progress, it is conceivable that the use of vertical 1D NSs may soon be established as a superior choice over other current techniques, with all the further benefits that may entail.
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Affiliation(s)
- Sara Bonde
- Bionanotechnology and Nanomedicine Laboratory, Department of Chemistry and Nano-science Center, University of Copenhagen, Universitetsparken 5, DK-2100, Copenhagen, Denmark
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Hsiao YS, Luo SC, Hou S, Zhu B, Sekine J, Kuo CW, Chueh DY, Yu H, Tseng HR, Chen P. 3D bioelectronic interface: capturing circulating tumor cells onto conducting polymer-based micro/nanorod arrays with chemical and topographical control. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:3012-7. [PMID: 24700425 PMCID: PMC4125486 DOI: 10.1002/smll.201400429] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 03/10/2014] [Indexed: 05/20/2023]
Abstract
The three-dimensional (3D) poly(3,4-ethylenedioxythiophene) (PEDOT)-based bioelectronic interfaces (BEIs) with diverse dimensional micro/nanorod array structures, varied surface chemical pro-perties, high electrical conductivity, reversible chemical redox switching, and high optical transparency are used for capturing circulating tumor cells (CTCs). Such 3D PEDOT-based BEIs can function as an efficient clinical diagonstic and therapeutic platform.
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Affiliation(s)
| | - Shyh-Chyang Luo
- Responsive Organic Materials Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)
- Department of Materials Science and Engineering, National Cheng Kung University, Tainan (Taiwan)
| | - Shuang Hou
- Department of Molecular and Medical Pharmacology, Crump Institute for Molecular Imaging (CIMI), California NanoSystems Institute (CNSI), University of California, Los Angeles, 570 Westwood Plaza, Building 114, Los Angeles, CA 90095-1770 (USA)
| | - Bo Zhu
- Responsive Organic Materials Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai (China)
| | - Jun Sekine
- Responsive Organic Materials Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)
| | - Chiung-Wen Kuo
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529 (Taiwan)
| | - Di-Yen Chueh
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529 (Taiwan)
| | - Hsiaohua Yu
- Fax: (+81) (0)48-462-1659, Web: http://www.riken.jp/lab/yuiru/,
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10
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Wang C, Li L, Ma L, Li B, Gao C. Biotin-triggered release and transfection of DNA complexes immobilized on a substrate via biotin–avidin interaction. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911514528147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In this study, the highly specific biotin–avidin interaction was used to immobilize DNA complexes to a substrate. An excess of biotin was added to trigger the dissociation of DNA complexes from the substrate to mediate their release and transfection. Biotin-grafted-polyethyleneimine/DNA complexes with N/P ratio of 5 were prepared with diameter of 170.2 nm and ζ-potential of 16.1 mV. The DNA immobilized substrates were fabricated using a biotin–avidin–biotin sandwich model, which were characterized by atom force microscope and fluorescent microscope. Compared to DNA immobilization by physical adsorption, a higher DNA density of 935 ng/cm2 was observed on biotinylated substrates. Based on the in vitro release profiles, the DNA complexes immobilized on silanized substrate released faster than those on biotinylated substrate. Triggered by the addition of extra biotin, more DNA complexes were released. The transfection efficiencies of the DNA complexes immobilized on different substrates were assayed on HEK-293T cells. The highest transfection efficiency was obtained in the group of biotinylated substrate with the trigger of extra biotin. Thus, the system of demobilized DNA complexes onto a substrate by the biotin–avidin interaction and the dissociation of DNA complexes from a substrate triggered by the extra biotin provides a promising strategy for the realization of the controlled release and enhanced transgene expression of genes.
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Affiliation(s)
- Chunfen Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Luyan Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Lie Ma
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Bo Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
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Rostami E, Zangooei M, Ghaedi M. Synthesis of New Aza Thia Crowns Bearing 2,2′-Diaminodiphenyl Disulfide. PHOSPHORUS SULFUR 2014. [DOI: 10.1080/10426507.2013.798791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Esmael Rostami
- a Department of Chemistry , Payame Noor University , PO Box 19395-3697, Tehran , Iran
| | - Masume Zangooei
- a Department of Chemistry , Payame Noor University , PO Box 19395-3697, Tehran , Iran
| | - Marziyh Ghaedi
- a Department of Chemistry , Payame Noor University , PO Box 19395-3697, Tehran , Iran
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12
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Gao Y, Longenbach T, Vitol EA, Orynbayeva Z, Friedman G, Gogotsi Y. One-dimensional nanoprobes for single-cell studies. Nanomedicine (Lond) 2014; 9:153-68. [DOI: 10.2217/nnm.13.196] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Owing to variation of individual cells within a population, single-cell studies are of great interest to researchers. Recent developments in nanofabrication technology have made this area increasingly attractive as one-dimensional (1D) nanoscale probes can be manufactured with increasing accuracy. Here, we provide an overview and description of the major designs that have been reported to date. For more details of what applications could be realized and how, based on the probe shapes and designs, we summarize the most recently reported performances of 1D single-cell probes with their advantages and limitations. Minimally invasive probes are required for long-term experiments on single cells. Carbon nanotubes with their unique properties and structure are excellent candidates for multitask robotic intracellular probes. Carbon nanotube-tipped cellular endoscopes are less invasive compared with pipettes or cantilever tips. Advances in nanofabrication techniques have made it possible to produce more consistent nanoscale cellular probes that can capture a variety of information from optical, electrical and chemical signals. In addition, these tools can transfer tiny amounts of fluids and molecular materials in a highly localized fashion for the purpose of analyzing or stimulating a variety of responses at the level of individual cells and even cellular organelles. We conclude with a critical analysis of the current state of the field as well as the major obstacles for further probe development of minimally invasive probes and their widespread use in cell biology.
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Affiliation(s)
- Yang Gao
- Department of Electrical & Computer Engineering, Drexel University, Philadelphia, PA 19104, USA
| | - Travis Longenbach
- Department of Materials Science & Engineering, Drexel University, Philadelphia, PA 19104, USA
| | - Elina A Vitol
- Department of Materials Science & Engineering, Drexel University, Philadelphia, PA 19104, USA
| | - Zulfiya Orynbayeva
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
- AJ Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USA
| | - Gary Friedman
- Department of Electrical & Computer Engineering, Drexel University, Philadelphia, PA 19104, USA
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
- AJ Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USA
| | - Yury Gogotsi
- Department of Materials Science & Engineering, Drexel University, Philadelphia, PA 19104, USA
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Carbon nanomaterials for nerve tissue stimulation and regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 34:35-49. [PMID: 24268231 DOI: 10.1016/j.msec.2013.09.038] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 09/11/2013] [Accepted: 09/28/2013] [Indexed: 01/25/2023]
Abstract
Nanotechnology offers new perspectives in the field of innovative medicine, especially for reparation and regeneration of irreversibly damaged or diseased nerve tissues due to lack of effective self-repair mechanisms in the peripheral and central nervous systems (PNS and CNS, respectively) of the human body. Carbon nanomaterials, due to their unique physical, chemical and biological properties, are currently considered as promising candidates for applications in regenerative medicine. This chapter discusses the potential applications of various carbon nanomaterials including carbon nanotubes, nanofibers and graphene for regeneration and stimulation of nerve tissue, as well as in drug delivery systems for nerve disease therapy.
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Xu L, Guo Q, Yu H, Huang J, You T. Simultaneous determination of three β-blockers at a carbon nanofiber paste electrode by capillary electrophoresis coupled with amperometric detection. Talanta 2012; 97:462-7. [DOI: 10.1016/j.talanta.2012.04.063] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Revised: 04/28/2012] [Accepted: 04/30/2012] [Indexed: 02/09/2023]
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16
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Peer E, Artzy-Schnirman A, Gepstein L, Sivan U. Hollow nanoneedle array and its utilization for repeated administration of biomolecules to the same cells. ACS NANO 2012; 6:4940-4946. [PMID: 22632128 DOI: 10.1021/nn300443h] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
We present a novel hollow nanoneedle array (NNA) device capable of simultaneously delivering diverse cargo into a group of cells in a culture over prolonged periods. The silica needles are fed by a common reservoir whose content can be replenished and modified in real time while maintaining contact with the same cells. The NNA, albeit its submicrometer features, is fabricated in a silicon-on-insulator wafer using conventional, large scale, silicon technology. 3T3-NIH fibroblast cells and HEK293 human embryonic kidney cells are shown to grow and proliferate successfully on the NNAs. Cargo delivery from the reservoir through the needles to a group of HEK293 cells in the culture is demonstrated by repeated administration of fluorescently labeled dextran to the same cells and transfection with DNA coding for red fluorescent protein. The capabilities demonstrated by the NNA device open the door to large scale studies of the effect of selected cells on their environment as encountered, for instance, in the study of cell-fate decisions, the role of cell-autonomous versus nonautonomous mechanisms in developmental biology, and in the study of excitable cell-networks.
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Affiliation(s)
- Elad Peer
- Russel Berrie Nanotechnology Institute, Technion-Israel Institute of Technology, Haifa 32000, Israel
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Mumm F, Sikorski P. Oxidative fabrication of patterned, large, non-flaking CuO nanowire arrays. NANOTECHNOLOGY 2011; 22:105605. [PMID: 21289394 DOI: 10.1088/0957-4484/22/10/105605] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
We report a simple and fast approach to fabricate large, non-flaking arrays of CuO nanowires by oxidizing thin copper substrates in air. Oxidative CuO nanowire growth is commonly accompanied by oxide layer flaking due to stress at the copper-copper oxide interface. Using thin substrates is shown to prevent this flaking by introducing favourable material thickness ratios in the samples after oxidation. Additionally, thin foils allow larger scale topographic patterns to be transferred from an underlying mould to realize non-flat, nanowire-decorated surfaces. Further patterning is possible by electrodeposition of a nickel layer, which restricts nanowire growth to specific areas of the sample.
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Affiliation(s)
- F Mumm
- Department of Physics, Norwegian University of Science and Technology, N-7491 Trondheim, Norway.
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Berthing T, Bonde S, Sørensen CB, Utko P, Nygård J, Martinez KL. Intact mammalian cell function on semiconductor nanowire arrays: new perspectives for cell-based biosensing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2011; 7:640-647. [PMID: 21290597 DOI: 10.1002/smll.201001642] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2010] [Revised: 11/19/2010] [Indexed: 05/30/2023]
Abstract
Nanowires (NWs) are attracting more and more interest due to their potential cellular applications, such as delivery of compounds or sensing platforms. Arrays of vertical indium-arsenide (InAs) NWs are interfaced with human embryonic kidney cells and rat embryonic dorsal root ganglion neurons. A selection of critical cell functions and pathways are shown not to be impaired, including cell adhesion, membrane integrity, intracellular enzyme activity, DNA uptake, cytosolic and membrane protein expression, and the neuronal maturation pathway. The results demonstrate the low invasiveness of InAs NW arrays, which, combined with the unique physical properties of InAs, open up their potential for cellular investigations.
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Affiliation(s)
- Trine Berthing
- Bionanotechnology and Nanomedicine Laboratory, Department of Neuroscience and Pharmacology & Nano-science Center, University of Copenhagen, Universitetsparken 5, DK-2100, Copenhagen, Denmark
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Wang CHK, Pun SH. Substrate-mediated nucleic acid delivery from self-assembled monolayers. Trends Biotechnol 2011; 29:119-26. [PMID: 21208672 DOI: 10.1016/j.tibtech.2010.11.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Revised: 11/16/2010] [Accepted: 11/19/2010] [Indexed: 12/12/2022]
Abstract
Substrate-mediated nucleic acid (NA) delivery involves the immobilization of NAs or NA delivery vehicles to biomaterials for localized transfection of cells. Self-assembled monolayers (SAMs) offer an easy system to immobilize delivery vectors. SAMs form well-defined surfaces; therefore, the effect of surface composition on vector immobilization and transfection efficiency can also be studied. To date, the most effective SAM-mediated delivery systems have utilized nonspecific interactions for immobilization; however, systems that rely on specific interactions between vector and surface can impart higher control of spatial and/or temporal delivery. This review summarizes systems that use both specific and nonspecific interactions for gene delivery from SAMs; highlights progress and remaining challenges; and explores other specific recognition modalities that might be employed for future applications in surface-mediated NA delivery.
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Affiliation(s)
- Chung-Huei K Wang
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, USA
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Mehdipour H, Ostrikov K, Rider AE. Low- and high-temperature controls in carbon nanofiber growth in reactive plasmas. NANOTECHNOLOGY 2010; 21:455605. [PMID: 20947941 DOI: 10.1088/0957-4484/21/45/455605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A numerical growth model is used to describe the catalyzed growth of carbon nanofibers in the sheath of a low-temperature plasma. Using the model, the effects of variation in the plasma sheath parameters and substrate potential on the carbon nanofiber growth characteristics, such as the growth rate, the effective carbon flux to the catalyst surface, and surface coverages, have been investigated. It is shown that variations in the parameters, which change the sheath width, mainly affect the growth parameters at the low catalyst temperatures, whereas the other parameters such as the gas pressure, ion temperature, and percentages of the hydrocarbon and etching gases, strongly affect the carbon nanofiber growth at higher temperatures. The conditions under which the carbon nanofiber growth can still proceed under low nanodevice-friendly process temperatures have been formulated and summarized. These results are consistent with the available experimental results and can also be used for catalyzed growth of other high-aspect-ratio nanostructures in low-temperature plasmas.
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Affiliation(s)
- H Mehdipour
- Physics Department, Faculty of Science, Sahand University of Technology, Tabriz, Iran
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dsDNA modified carbon nanofiber—solidified paste electrodes: probing Ni(II)—dsDNA interactions. Mikrochim Acta 2010. [DOI: 10.1007/s00604-010-0388-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Oh WK, Yoon H, Jang J. Size control of magnetic carbon nanoparticles for drug delivery. Biomaterials 2010; 31:1342-8. [DOI: 10.1016/j.biomaterials.2009.10.018] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2009] [Accepted: 10/08/2009] [Indexed: 11/16/2022]
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Kim JS, Low V, Richards J. Research Highlights. Nanomedicine (Lond) 2009. [DOI: 10.2217/nnm.09.57] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Jason S Kim
- Center for Bio/Molecular Science and Engineering, US Naval Research Laboratory, Washington, DC, 20375, USA
| | - Vyechi Low
- Center for Bio/Molecular Science and Engineering, US Naval Research Laboratory, Washington, DC, 20375, USA
| | - Jeffrey Richards
- Center for Bio/Molecular Science and Engineering, US Naval Research Laboratory, Washington, DC, 20375, USA
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