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Ma T, Ye J, Tang Y, Yuan H, Wen D. Superhydrophilicity Regulation of Carbon Nanotubes Boosting Electrochemical Biosensing for Real-time Monitoring of H 2O 2 Released from Living Cells. Anal Chem 2023; 95:17851-17859. [PMID: 37988254 DOI: 10.1021/acs.analchem.3c03981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Dynamic and accurate monitoring of cell-released electroactive signaling biomolecules through electrochemical techniques has drawn significant research interest for clinical applications. Herein, the functionalized carbon nanotubes (f-CNTs) featuring with gradient surface wettability from hydrophobicity to hydrophilicity, and even to superhydrophilicity, were regulated by thermolysis of an ionic liquid for exploration of the dependence of surface wettability on electrochemical biosensing performance to a cell secretion model of hydrogen peroxide (H2O2). The superhydrophilic f-CNTs demonstrated boosting electrocatalytic reduction activity for H2O2. Additionally, the molecular dynamic (MD) simulations confirmed the more cumulative number density distribution of H2O2 molecules closer to the superhydrophilic surface (0.20 vs 0.37 nm), which would provide a faster diffusional channel compared with the hydrophobic surface. Thereafter, a superhydrophilic biosensing platform with a lower detectable limit reduced by 200 times (0.5 vs 100 μM) and a higher sensitivity over 56 times (0.112 vs 0.002 μA μM cm-2) than that of the hydrophobic one was achieved. Given its excellent cytocompatibility, the superhydrophilic f-CNTs was successfully applied to determine H2O2 released from HeLa cells which were maintained alive after a 30 min real-time monitoring test. The surface hydrophilicity regulation of electrode materials presents a facile approach for real-time monitoring of H2O2 released from living cells and would provide new insights for other electroactive signaling targets at the cellular level.
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Affiliation(s)
- Tuotuo Ma
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi'an 710072, P. R. China
| | - Jianqi Ye
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi'an 710072, P. R. China
| | - Yarui Tang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi'an 710072, P. R. China
| | - Hongxing Yuan
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi'an 710072, P. R. China
| | - Dan Wen
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi'an 710072, P. R. China
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Wang Q, Yang S, Zhang L. Untethered Micro/Nanorobots for Remote Sensing: Toward Intelligent Platform. NANO-MICRO LETTERS 2023; 16:40. [PMID: 38032461 PMCID: PMC10689342 DOI: 10.1007/s40820-023-01261-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 10/25/2023] [Indexed: 12/01/2023]
Abstract
Untethered micro/nanorobots that can wirelessly control their motion and deformation state have gained enormous interest in remote sensing applications due to their unique motion characteristics in various media and diverse functionalities. Researchers are developing micro/nanorobots as innovative tools to improve sensing performance and miniaturize sensing systems, enabling in situ detection of substances that traditional sensing methods struggle to achieve. Over the past decade of development, significant research progress has been made in designing sensing strategies based on micro/nanorobots, employing various coordinated control and sensing approaches. This review summarizes the latest developments on micro/nanorobots for remote sensing applications by utilizing the self-generated signals of the robots, robot behavior, microrobotic manipulation, and robot-environment interactions. Providing recent studies and relevant applications in remote sensing, we also discuss the challenges and future perspectives facing micro/nanorobots-based intelligent sensing platforms to achieve sensing in complex environments, translating lab research achievements into widespread real applications.
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Affiliation(s)
- Qianqian Wang
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing, 211189, People's Republic of China.
| | - Shihao Yang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077, People's Republic of China
| | - Li Zhang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077, People's Republic of China.
- Chow Yuk Ho Technology Centre for Innovative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077, People's Republic of China.
- T Stone Robotics Institute, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077, People's Republic of China.
- Department of Surgery, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077, People's Republic of China.
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Gouran Oorimi P, Tarlani A, Zadmard R, Muzart J. Synthesis of photoluminescent composite based on graphene quantum dot@ZIF-11: a novel sensor for extremely efficient nano-molar detection of CN-. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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Barati F, Avatefi M, Moghadam NB, Asghari S, Ekrami E, Mahmoudifard M. A review of graphene quantum dots and their potential biomedical applications. J Biomater Appl 2023; 37:1137-1158. [PMID: 36066191 DOI: 10.1177/08853282221125311] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Today, nanobiotechnology is a pioneering technology in biomedicine. Every day, new nanomaterials are synthesized with elevated physiochemical properties for better diagnosis and treatment of diseases. One advancing class of materials is the Graphene family. Among different kinds of graphene derivatives, graphene quantum dots (GQDs) show fantastic optical, electrical, and electrochemical features originating from their unique quantum confinement effect. Due to the distinct properties of GQD, including large surface-to-volume ratio, low cytotoxicity, and easy functionalization, this nanomaterial has gone popular in biomedical field. Herein, a short overview of different strategies developed for GQD synthesis and functionalization is discussed. In the following, the most recent progress of GQD based nanomaterials in different biomedical fields, including bio-imaging, drug/gene delivery, antimicrobial, tissue engineering, and biosensors, are reviewed.
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Affiliation(s)
- Fatemeh Barati
- Department of Industrial and Environmental Biotechnology, 48482National Institute for Genetic Engineering and Biotechnology, Tehran, Iran
| | - Manizheh Avatefi
- Department of Industrial and Environmental Biotechnology, 48482National Institute for Genetic Engineering and Biotechnology, Tehran, Iran
| | - Negin Borzooee Moghadam
- Department of Industrial and Environmental Biotechnology, 48482National Institute for Genetic Engineering and Biotechnology, Tehran, Iran
| | - Sahar Asghari
- Department of Industrial and Environmental Biotechnology, 48482National Institute for Genetic Engineering and Biotechnology, Tehran, Iran
| | - Elena Ekrami
- Department of Industrial and Environmental Biotechnology, 48482National Institute for Genetic Engineering and Biotechnology, Tehran, Iran
| | - Matin Mahmoudifard
- Department of Industrial and Environmental Biotechnology, 48482National Institute for Genetic Engineering and Biotechnology, Tehran, Iran
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Jebakumari KAE, Murugasenapathi NK, Palanisamy T. Engineered Two-Dimensional Nanostructures as SERS Substrates for Biomolecule Sensing: A Review. BIOSENSORS 2023; 13:102. [PMID: 36671937 PMCID: PMC9855472 DOI: 10.3390/bios13010102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Two-dimensional nanostructures (2DNS) attract tremendous interest and have emerged as potential materials for a variety of applications, including biomolecule sensing, due to their high surface-to-volume ratio, tuneable optical and electronic properties. Advancements in the engineering of 2DNS and associated technologies have opened up new opportunities. Surface-enhanced Raman scattering (SERS) is a rapid, highly sensitive, non-destructive analytical technique with exceptional signal amplification potential. Several structurally and chemically engineered 2DNS with added advantages (e.g., π-π* interaction), over plasmonic SERS substrates, have been developed specifically towards biomolecule sensing in a complex matrix, such as biological fluids. This review focuses on the recent developments of 2DNS-SERS substrates for biomolecule sensor applications. The recent advancements in engineered 2DNS, particularly for SERS substrates, have been systematically surveyed. In SERS substrates, 2DNS are used as either a standalone signal enhancer or as support for the dispersion of plasmonic nanostructures. The current challenges and future opportunities in this synergetic combination have also been discussed. Given the prospects in the design and preparation of newer 2DNS, this review can give a critical view on the current status, challenges and opportunities to extrapolate their applications in biomolecule detection.
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Affiliation(s)
- K. A. Esther Jebakumari
- Electrodics and Electrocatalysis Division (EEC), CSIR—Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - N. K. Murugasenapathi
- Electrodics and Electrocatalysis Division (EEC), CSIR—Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Tamilarasan Palanisamy
- Electrodics and Electrocatalysis Division (EEC), CSIR—Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
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Xiong Y, Wang C, Wu Y, Luo C, Zhan D, Wang S. Electrochemical Enzyme Sensor Based on the Two-Dimensional Metal-Organic Layers Supported Horseradish Peroxidase. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238599. [PMID: 36500690 PMCID: PMC9739674 DOI: 10.3390/molecules27238599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/05/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Metal-organic frames (MOFs) have recently been used to support redox enzymes for highly sensitive and selective chemical sensors for small biomolecules such as oxygen (O2), hydrogen peroxide (H2O2), etc. However, most MOFs are insulative and their three-dimensional (3D) porous structures hinder the electron transfer pathway between the current collector and the redox enzyme molecules. In order to facilitate electron transfer, here we adopt two-dimensional (2D) metal-organic layers (MOLs) to support the HRP molecules in the detection of H2O2. The correlation between the current response and the H2O2 concentration presents a linear range from 7.5 μM to 1500 μM with a detection limit of 0.87 μM (S/N = 3). The sensitivity, reproducibility, and stability of the enzyme sensor are promoted due to the facilitated electron transfer.
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Affiliation(s)
- Yu Xiong
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Chao Wang
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - YuanFei Wu
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Chunhua Luo
- The First College of Clinical Medical Science, China Three Gorges University, Yichang 443003, China
- Correspondence: (C.L.); (S.W.)
| | - Dongping Zhan
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Shizhen Wang
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Correspondence: (C.L.); (S.W.)
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Garg A, Mejia E, Nam W, Vikesland P, Zhou W. Biomimetic Transparent Nanoplasmonic Meshes by Reverse-Nanoimprinting for Bio-Interfaced Spatiotemporal Multimodal SERS Bioanalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204517. [PMID: 36161480 DOI: 10.1002/smll.202204517] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Indexed: 06/16/2023]
Abstract
Multicellular systems, such as microbial biofilms and cancerous tumors, feature complex biological activities coordinated by cellular interactions mediated via different signaling and regulatory pathways, which are intrinsically heterogeneous, dynamic, and adaptive. However, due to their invasiveness or their inability to interface with native cellular networks, standard bioanalysis methods do not allow in situ spatiotemporal biochemical monitoring of multicellular systems to capture holistic spatiotemporal pictures of systems-level biology. Here, a high-throughput reverse nanoimprint lithography approach is reported to create biomimetic transparent nanoplasmonic microporous mesh (BTNMM) devices with ultrathin flexible microporous structures for spatiotemporal multimodal surface-enhanced Raman spectroscopy (SERS) measurements at the bio-interface. It is demonstrated that BTNMMs, supporting uniform and ultrasensitive SERS hotspots, can simultaneously enable spatiotemporal multimodal SERS measurements for targeted pH sensing and non-targeted molecular detection to resolve the diffusion dynamics for pH, adenine, and Rhodamine 6G molecules in agarose gel. Moreover, it is demonstrated that BTNMMs can act as multifunctional bio-interfaced SERS sensors to conduct in situ spatiotemporal pH mapping and molecular profiling of Escherichia coli biofilms. It is envisioned that the ultrasensitive multimodal SERS capability, transport permeability, and biomechanical compatibility of the BTNMMs can open exciting avenues for bio-interfaced multifunctional sensing applications both in vitro and in vivo.
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Affiliation(s)
- Aditya Garg
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Elieser Mejia
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Wonil Nam
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Peter Vikesland
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Wei Zhou
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
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Hu H, Li P, Qiu J, Zhao M, Kuang M, Zhang Z, Wang D. Optical Visualization of Red-GQDs’ Organelles Distribution and Localization in Living Cells. Front Pharmacol 2022; 13:932807. [PMID: 35910373 PMCID: PMC9326348 DOI: 10.3389/fphar.2022.932807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Recently, there has been a rapidly expanding interest in a new nanomaterial, graphene quantum dots (GQDs), owing to its profound potential in various advanced applications. At present, the study of GQDs mainly focuses on the new synthesis methods and surface modification. However, revealing the intracellular distribution of GQDs is currently not available, limiting in-depth understanding of its biological regulatory mechanism. To fill up this gap, the visualization study of red fluorescent graphene quantum dots (Red-GQDs) is helpful to clarify their subcellular distribution and metabolism in living cells system. Here, in this study, two-photon laser confocal microscopy was used to deeply analyze the uptake and subcellular distribution of Red-GQDs by HeLa cells at different concentrations and times through visual observation and discussed the effect of Red-GQDs on the metabolic of HeLa cells. The results indicated that Red-GQDs could be well-absorbed by HeLa cells and further revealed the differential distribution of Red-GQDs in different organelles (lysosomes and mitochondria) in a time-dependent manner. In addition, we confirmed that Red-GQDs significantly affect cell biological functions. Low concentrations of Red-GQDs are related to the autophagy pathway of cells, and high concentrations of Red-GQDs can induce ferroptosis in cells and promote the secretion of cellular exosomes. In the present study, the distribution and metabolic pathways of Red-GQDs in the subcellular structure of cells were characterized in detail through visual analysis, which can bring positive reference for the application of Red-GQDs in the future.
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Affiliation(s)
- Haifeng Hu
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Peng Li
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Jie Qiu
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Meiji Zhao
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Mingjie Kuang
- Shandong Provincial Hospital, Shandong University, Jinan, China
- *Correspondence: Mingjie Kuang, ; Zhaoyan Zhang, ; Dachuan Wang,
| | - Zhaoyan Zhang
- The 1st Department of Geriatrics of the 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
- *Correspondence: Mingjie Kuang, ; Zhaoyan Zhang, ; Dachuan Wang,
| | - Dachuan Wang
- Shandong Provincial Hospital, Shandong University, Jinan, China
- *Correspondence: Mingjie Kuang, ; Zhaoyan Zhang, ; Dachuan Wang,
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9
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Xu X, Jiang Y, Lu C. Self-Assembled ATP-Responsive DNA Nanohydrogel for Specifically Activated Fluorescence Imaging and Chemotherapy in Cancer Cells. Anal Chem 2022; 94:10221-10226. [PMID: 35796567 DOI: 10.1021/acs.analchem.2c01760] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Tumor marker-responsive drug delivery systems have been developed for cancer imaging and chemotherapy. However, improving their ability of controlled drug release remains a challenge. In this study, we have developed an adenosine triphosphate (ATP)-responsive DNA nanohydrogel for specifically activated fluorescence imaging and chemotherapy in cancer cells. Acrylamide and acrydite-modified DNAs were polymerized to obtain DNA-grafted polyacrylamide copolymers. Then, the copolymers acted as the backbone of the nanohydrogel and were assembled by base complementation with ATP aptamer linkers to construct an ATP-responsive nanohydrogel. Meanwhile, the chemotherapeutic drug doxorubicin (DOX) was added and loaded into the ATP-responsive nanohydrogel during the assembly process. After endocytosis by cancer cells and response to a high intracellular ATP level, the DOX-loaded nanohydrogel disassembled due to the formation of aptamer/ATP complexes. Subsequently, the released DOX played a role in fluorescence imaging and chemotherapy of cancer cells. Through the ATP-responsive property and satisfying drug delivery capability, this nanohydrogel realized fluorescence imaging and specific cancer cell killing capabilities due to different intracellular ATP levels in normal and cancer cell lines. In summary, this study has provided a novel strategy of constructing a tumor microenvironment-responsive drug delivery system triggered by the tumor markers for tumor intracellular imaging and chemotherapy.
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Affiliation(s)
- Xin Xu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Yifan Jiang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Chunhua Lu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
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Fluorescent Biosensors for the Detection of Viruses Using Graphene and Two-Dimensional Carbon Nanomaterials. BIOSENSORS 2022; 12:bios12070460. [PMID: 35884263 PMCID: PMC9312944 DOI: 10.3390/bios12070460] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 11/16/2022]
Abstract
Two-dimensional carbon nanomaterials have been commonly employed in the field of biosensors to improve their sensitivity/limits of detection and shorten the analysis time. These nanomaterials act as efficient transducers because of their unique characteristics, such as high surface area and optical, electrical, and magnetic properties, which in turn have been exploited to create simple, quick, and low-cost biosensing platforms. In this review, graphene and two-dimensional carbon material-based fluorescent biosensors are covered between 2010 and 2021, for the detection of different human viruses. This review specifically focuses on the new developments in graphene and two-dimensional carbon nanomaterials for fluorescent biosensing based on the Förster resonance energy transfer (FRET) mechanism. The high-efficiency quenching capability of graphene via the FRET mechanism enhances the fluorescent-based biosensors. The review provides a comprehensive reference for the different types of carbon nanomaterials employed for the detection of viruses such as Rotavirus, Ebola virus, Influenza virus H3N2, HIV, Hepatitis C virus (HCV), and Hepatitis B virus (HBV). This review covers the various multiplexing detection technologies as a new direction in the development of biosensing platforms for virus detection. At the end of the review, the different challenges in the use of fluorescent biosensors, as well as some insights into how to overcome them, are highlighted.
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12
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Suhito IR, Angeline N, Lee KH, Kim H, Park CG, Luo Z, Kim TH. A Spheroid-Forming Hybrid Gold Nanostructure Platform That Electrochemically Detects Anticancer Effects of Curcumin in a Multicellular Brain Cancer Model. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2002436. [PMID: 32954643 DOI: 10.1002/smll.202002436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/27/2020] [Indexed: 05/26/2023]
Abstract
In this study, a multifunctional platform that enables the highly efficient formation of 3D multicellular cancer spheroids and precise real-time assessments of the anticancer effects of curcumin in a brain tumor coculture model is reported. A highly conductive gold nanostructure (HCGN) is fabricated to facilitate cancer spheroid formation without using anti-cell adhesion molecules. A neuroblastoma (SH-SY5Y) and glioblastoma (U-87MG) coculture model is generated on HCGN with a specific cell-to-cell ratio (SH-SY5Y: U-87MG = 1:1), and their redox behaviors are successfully measured without destroying the distinct 3D structure of the multicellular spheroids. Using electrochemical signals as an indicator of spheroid viability, the effects of potential anticancer compounds on cocultured spheroids are further assessed. Remarkably, decreased cell viability in 3D spheroids caused by a low concentration of curcumin (30 µM) is detectable using the electrochemical method (29.4%) but not with a conventional colorimetric assay (CCK-8). The detection is repeated more than ten times for both short- (63 h) and long-term cultivation (144 h) without damaging the spheroids, enabling real-time, non-destructive pharmacokinetic analysis of various drug candidates. Therefore, it can be concluded that the hybrid platform is a highly promising, precise, and high-throughput drug screening tool based on 3D cell cultivation.
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Affiliation(s)
- Intan Rosalina Suhito
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Novi Angeline
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Kwang-Ho Lee
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Huijung Kim
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Chun Gwon Park
- Department of Biomedical Engineering, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Zhengtang Luo
- Department of Chemical and Biological Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong, 999077, China
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea
- Integrative Research Center for Two-Dimensional Functional Materials, Institute of Interdisciplinary Convergence Research, Chung-Ang University, Seoul, 06974, Republic of Korea
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Chowdhury S, Ghosh S. Nanoparticles and Stem Cells. Stem Cells 2021. [DOI: 10.1007/978-981-16-1638-9_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Hayes AJ, Melrose J. Electro‐Stimulation, a Promising Therapeutic Treatment Modality for Tissue Repair: Emerging Roles of Sulfated Glycosaminoglycans as Electro‐Regulatory Mediators of Intrinsic Repair Processes. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000151] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Anthony J. Hayes
- Bioimaging Research Hub Cardiff School of Biosciences Cardiff University Cardiff Wales CF10 3AX UK
| | - James Melrose
- Raymond Purves Bone and Joint Research Laboratory Kolling Institute Northern Sydney Local Health District Faculty of Medicine and Health University of Sydney Royal North Shore Hospital St. Leonards NSW 2065 Australia
- Graduate School of Biomedical Engineering University of New South Wales Sydney NSW 2052 Australia
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Lee JH, Luo J, Choi HK, Chueng STD, Lee KB, Choi JW. Functional nanoarrays for investigating stem cell fate and function. NANOSCALE 2020; 12:9306-9326. [PMID: 32090229 PMCID: PMC7671654 DOI: 10.1039/c9nr10963c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Stem cells show excellent potential in the field of tissue engineering and regenerative medicine based on their excellent capability to not only self-renew but also differentiate into a specialized cell type of interest. However, the lack of a non-destructive monitoring system makes it challenging to identify and characterize differentiated cells before their transplantation without compromising cell viability. Thus, the development of a non-destructive monitoring method for analyzing cell function is highly desired and can significantly benefit stem cell-based therapies. Recently, nanomaterial-based scaffolds (e.g., nanoarrays) have made possible considerable advances in controlling the differentiation of stem cells and characterization of the differentiation status sensitively in real time. This review provides a selective overview of the recent progress in the synthesis methods of nanoarrays and their applications in controlling stem cell fate and monitoring live cell functions electrochemically. We believe that the topics discussed in this review can provide brief and concise guidelines for the development of novel nanoarrays and promote the interest in live cell study applications. A method which can not only control but also monitor stem cell fate and function will be a promising technology that can accelerate stem cell therapies.
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Affiliation(s)
- Jin-Ho Lee
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA.
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Ganesh S, Venkatakrishnan K, Tan B. Quantum scale organic semiconductors for SERS detection of DNA methylation and gene expression. Nat Commun 2020; 11:1135. [PMID: 32111825 PMCID: PMC7048788 DOI: 10.1038/s41467-020-14774-3] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 01/31/2020] [Indexed: 12/14/2022] Open
Abstract
Cancer stem cells (CSC) can be identified by modifications in their genomic DNA. Here, we report a concept of precisely shrinking an organic semiconductor surface-enhanced Raman scattering (SERS) probe to quantum size, for investigating the epigenetic profile of CSC. The probe is used for tag-free genomic DNA detection, an approach towards the advancement of single-molecule DNA detection. The sensor detected structural, molecular and gene expression aberrations of genomic DNA in femtomolar concentration simultaneously in a single test. In addition to pointing out the divergences in genomic DNA of cancerous and non-cancerous cells, the quantum scale organic semiconductor was able to trace the expression of two genes which are frequently used as CSC markers. The quantum scale organic semiconductor holds the potential to be a new tool for label-free, ultra-sensitive multiplexed genomic analysis.
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Affiliation(s)
- Swarna Ganesh
- Institute for Biomedical Engineering, Science and Technology (I BEST), Partnership between Ryerson University and St. Michael's Hospital, Toronto, ON, M5B 1W8, Canada.,Department of Mechanical and Industrial Engineering, Ultrashort Laser Nanomanufacturing Research Facility, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada.,Department of Mechanical and Industrial Engineering, Nano Bio Interface facility, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada
| | - Krishnan Venkatakrishnan
- Department of Mechanical and Industrial Engineering, Ultrashort Laser Nanomanufacturing Research Facility, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada. .,Department of Mechanical and Industrial Engineering, Nano Bio Interface facility, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada. .,Keenan Research Center, St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada.
| | - Bo Tan
- Department of Mechanical and Industrial Engineering, Nano Bio Interface facility, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada.,Keenan Research Center, St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada.,Nanocharacterization Laboratory, Department of Aerospace Engineering, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada
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17
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Girão AF, Serrano MC, Completo A, Marques PAAP. Do biomedical engineers dream of graphene sheets? Biomater Sci 2019; 7:1228-1239. [PMID: 30720810 DOI: 10.1039/c8bm01636d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
During the past few years, graphene has outstandingly emerged as a key nanomaterial for boosting the performance of commercial, industrial and scientific related technologies. The popularity of this novel nanomaterial in biomedical engineering is due to its excellent biological, electronic, optical and thermal properties that, as a whole, surpass the features of commonly used biomaterials and consequently open a wide range of applications so far within the reach of science fiction. In this minireview, the potential of graphene and its based materials in the expanding biomedical field is highlighted with focus on groundbreaking diagnostic, monitoring and therapeutic strategies. Some of the major challenges related to the synthesis and safety of graphene-based materials are also briefly discussed because of their critical importance in bringing this class of carbon materials closer to the clinic.
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Affiliation(s)
- André F Girão
- TEMA, Department of Mechanical Engineering, University of Aveiro (UA), 3810-193 Aveiro, Portugal.
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18
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Zhao X, Tao G, Gong X, Yang X, Ge H, Wang J. Dual Engineering Interface-Driven Complementary Graphene Oxide-Protein Dimer Supramolecular Architecture Enables Nucleus Imaging and Therapy. ACS APPLIED BIO MATERIALS 2019; 2:2896-2906. [PMID: 35030783 DOI: 10.1021/acsabm.9b00279] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Seeking a versatile nanoplatform for multimodal nucleus imaging and therapy is a challenging task. General complementary bottom-up bionanotechnology for controlling a 3D supramolecular coassembly is proposed. The dual engineering interface proof-of-concept of the supramolecular architecture can be demonstrated via a genetically engineered protein dimer and plasmonically engineered graphene oxide (GO). Incorporation of anisotropic plasmonic nanoparticles as an intercalation layer among the GO 3D supramolecular architecture can provide covalent conjugation sites and simultaneously endow tunable optical properties of GO, ranging from the ultraviolet-to-near-infrared region. Interestingly, the precise design of a specific two-site mutation of the plasmid is favorable for giving an organized coassembly instead of random networks of GO, which contributes to giving continuous distinguishable enhanced Raman imaging for tracking cancer cells. Unexpectedly, penetration into the cell nucleus via the submicro 3D supramolecular coassembly exhibits an excellent nucleus therapeutic potential of cancer cells.
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Affiliation(s)
- Xiaolei Zhao
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, People's Republic of China
| | - Gangqiang Tao
- Institute of Intelligent Machines, HeFei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, People's Republic of China
| | - Xiaojian Gong
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, People's Republic of China
| | - Xingyuan Yang
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, People's Republic of China
| | - Honghua Ge
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, People's Republic of China
| | - Jin Wang
- Institute of Intelligent Machines, HeFei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, People's Republic of China
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19
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Sun J, Shakya S, Gong M, Liu G, Wu S, Xiang Z. Combined Application of Graphene‐Family Materials and Silk Fibroin in Biomedicine. ChemistrySelect 2019. [DOI: 10.1002/slct.201804034] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jiachen Sun
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Sujan Shakya
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Min Gong
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Guoming Liu
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Shuang Wu
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
| | - Zhou Xiang
- Department of OrthopedicsWest China HospitalSichuan University Chengdu 610041 P. R. China
- Division of Stem Cell and Tissue EngineeringState Key Laboratory of BiotherapyWest China HospitalSichuan University Chengdu 610041 P. R. China
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20
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Suhito IR, Kang ES, Kim DS, Baek S, Park SJ, Moon SH, Luo Z, Lee D, Min J, Kim TH. High density gold nanostructure composites for precise electrochemical detection of human embryonic stem cells in cell mixture. Colloids Surf B Biointerfaces 2019; 180:384-392. [PMID: 31082776 DOI: 10.1016/j.colsurfb.2019.04.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 04/18/2019] [Accepted: 04/29/2019] [Indexed: 01/10/2023]
Abstract
Precise detection of undifferentiated human pluripotent stem cells (hPSCs) and their entire subsequent elimination are incredibly important in preventing teratoma formations after transplantation. Recently, electrochemical sensing platforms have demonstrated immense potential as a new tool to detect remaining hPSCs in label-free and non-destructive manner. Nevertheless, one of the critical huddles of this electrochemical sensing approach is its low sensitivity since even low concentrations of remaining hPSCs were reported to form teratoma once transplanted. To address this issue, in this study, we report an engineering-based approach to improve the sensitivity of electrochemical sensing platform for hPSC detection. By optimizing the density of gold nanostructure and the matrigel concentration to improve both electro-catalytic property and biocompatibility, the sensitivity of the developed platform toward hESCs detection could reach 12,500 cells/chip, which is close to the known critical concentration of hPSCs (˜10,000 cells) that induce teratoma formation in vivo. Remarkably, the electrochemical signals were not detectable from other types of stem cell-derived endothelial cells (CB-EPCs) even at high concentrations of CB-EPCs (40,000 cells/chip), proving the high selectivity of the developed platform toward hPSC detection. Hence, the developed platform could be highly useful to solve the safety issues that are related with clinical application of hPSC-derived cells.
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Affiliation(s)
- Intan Rosalina Suhito
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Ee-Seul Kang
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Da-Seul Kim
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Seungho Baek
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Soon-Jung Park
- Department of Medicine, School of Medicine, Konkuk University, Seoul 05029, Republic of Korea
| | - Sung-Hwan Moon
- Department of Stem Cell Biology, School of Medicine, Konkuk University, Seoul 05029, Republic of Korea
| | - Zhengtang Luo
- Department of Chemical and Biological Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077, Hong Kong, China
| | - Donghyun Lee
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Junhong Min
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea.
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea; Integrative Research Center for Two-Dimensional Functional Materials, Institute of Interdisciplinary Convergence Research, Chung-Ang University, Seoul 06974, Republic of Korea.
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21
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Xu W, Paidi SK, Qin Z, Huang Q, Yu CH, Pagaduan JV, Buehler MJ, Barman I, Gracias DH. Self-Folding Hybrid Graphene Skin for 3D Biosensing. NANO LETTERS 2019; 19:1409-1417. [PMID: 30433789 PMCID: PMC6432654 DOI: 10.1021/acs.nanolett.8b03461] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Biological samples such as cells have complex three-dimensional (3D) spatio-molecular profiles and often feature soft and irregular surfaces. Conventional biosensors are based largely on 2D and rigid substrates, which have limited contact area with the entirety of the surface of biological samples making it challenging to obtain 3D spatially resolved spectroscopic information, especially in a label-free manner. Here, we report an ultrathin, flexible skinlike biosensing platform that is capable of conformally wrapping a soft or irregularly shaped 3D biological sample such as a cancer cell or a pollen grain, and therefore enables 3D label-free spatially resolved molecular spectroscopy via surface-enhanced Raman spectroscopy (SERS). Our platform features an ultrathin thermally responsive poly( N-isopropylacrylamide)-graphene-nanoparticle hybrid skin that can be triggered to self-fold and wrap around 3D micro-objects in a conformal manner due to its superior flexibility. We highlight the utility of this 3D biosensing platform by spatially mapping the 3D molecular signatures of a variety of microparticles including silica microspheres, spiky pollen grains, and human breast cancer cells.
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Affiliation(s)
- Weinan Xu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Santosh K. Paidi
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Zhao Qin
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Qi Huang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Chi-Hua Yu
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Jayson V. Pagaduan
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Markus J. Buehler
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Ishan Barman
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States
- The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States
| | - David H. Gracias
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Corresponding Author:
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22
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Eliášová Sohová M, Bodík M, Siffalovic P, Bugárová N, Labudová M, Zaťovičová M, Hianik T, Omastová M, Majková E, Jergel M, Pastoreková S. Label-free tracking of nanosized graphene oxide cellular uptake by confocal Raman microscopy. Analyst 2019; 143:3686-3692. [PMID: 29978167 DOI: 10.1039/c8an00225h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Graphene oxide (GO), a partially oxidized two-dimensional allotrope of carbon, is an attractive nanocarrier for cancer diagnostics and therapy. The nanometer-sized GO is known to permeate cell membranes. Herein we studied the cellular uptake pathways of GO nanoflakes by cancer and non-cancerous cell lines. By employing confocal Raman imaging, we were able to track the GO cellular uptake in living cells (C33 and MDCK) without any additional fluorescent or plasmonic labels. This specific progress in label-free Raman imaging of GO facilitates the monitoring of nanoflakes at the cellular level.
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Affiliation(s)
- Marianna Eliášová Sohová
- Faculty of Mathematics Physics and Informatics, Comenius University, Mlynská dolina F1, 842 48 Bratislava, Slovakia
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23
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Morales-Narváez E, Merkoçi A. Graphene Oxide as an Optical Biosensing Platform: A Progress Report. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1805043. [PMID: 30549101 DOI: 10.1002/adma.201805043] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 10/22/2018] [Indexed: 05/27/2023]
Abstract
A few years ago, crucial graphene oxide (GO) features such as the carbon/oxygen ratio, number of layers, and lateral size were scarcely investigated and, thus, their impact on the overall optical biosensing performance was almost unknown. Nowadays valuable insights about these features are well documented in the literature, whereas others remain controversial. Moreover, most of the biosensing systems based on GO were amenable to operating as colloidal suspensions. Currently, the literature reports conceptually new approaches obviating the need of GO colloidal suspensions, enabling the integration of GO onto a solid phase and leading to their application in new biosensing devices. Furthermore, most GO-based biosensing devices exploit photoluminescent signals. However, further progress is also achieved in powerful label-free optical techniques exploiting GO in biosensing, particularly using optical fibers, surface plasmon resonance, and surface enhanced Raman scattering. Herein, a critical overview on these topics is offered, highlighting the key role of the physicochemical properties of GO. New challenges and opportunities in this exciting field are also highlighted.
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Affiliation(s)
- Eden Morales-Narváez
- Biophotonic Nanosensors Laboratory, Centro de Investigaciones en Óptica, A. C., Loma del Bosque 115, Lomas del Campestre, León, Guanajuato, 37150, México
| | - Arben Merkoçi
- Nanobioelectronics and Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193, Barcelona, Spain
- ICREA-Institució Catalana de Recerca i Estudis Avançats, 08010, Barcelona, Spain
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24
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Hrubý J, Santana VT, Kostiuk D, Bouček M, Lenz S, Kern M, Šiffalovič P, van Slageren J, Neugebauer P. A graphene-based hybrid material with quantum bits prepared by the double Langmuir–Schaefer method. RSC Adv 2019; 9:24066-24073. [PMID: 35527863 PMCID: PMC9069494 DOI: 10.1039/c9ra04537f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 07/25/2019] [Indexed: 11/21/2022] Open
Abstract
The scalability and stability of molecular qubits deposited on surfaces is a crucial step for incorporating them into upcoming electronic devices. Herein, we report on the preparation and characterisation of a molecular quantum bit, copper(ii)dibenzoylmethane [Cu(dbm)2], deposited by a modified Langmuir–Schaefer (LS) technique onto a graphene-based substrate. A double LS deposition was used for the preparation of a few-layer-graphene (FLG) on a Si/SiO2 substrate with subsequent deposition of the molecules. Magnetic properties were probed by high-frequency electron spin resonance (HF-ESR) spectroscopy and found maintained after deposition. Additional spectroscopic and imaging techniques, such as Raman spectroscopy (RS), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and scanning electron microscopy (SEM) were performed to characterise the deposited sample. Our approach demonstrated the possibility to utilise a controlled wet-chemistry protocol to prepare an array of potential quantum bits on a disordered graphene-based substrate. The deployed spectroscopic techniques showed unambiguously the robustness of our studied system with a potential to fabricate large-scale, intact, and stable quantum bits. Graphene-based hybrid material with array of copper(ii)-based quantum bits was prepared by a wet-chemistry protocol and characterised by HF-ESR, XPS, Raman, and AFM.![]()
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Affiliation(s)
- Jakub Hrubý
- Central European Institute of Technology
- CEITEC BUT
- 61200 Brno
- Czech Republic
| | | | - Dmytro Kostiuk
- Institute of Physics
- Slovak Academy of Sciences
- 84511 Bratislava
- Slovakia
| | - Martin Bouček
- Institute of Physical Engineering
- Faculty of Mechanical Engineering
- Brno University of Technology
- 61669 Brno
- Czech Republic
| | - Samuel Lenz
- Institute of Physical Chemistry
- University of Stuttgart
- 70569 Stuttgart
- Germany
| | - Michal Kern
- Institute of Physical Chemistry
- University of Stuttgart
- 70569 Stuttgart
- Germany
| | - Peter Šiffalovič
- Institute of Physics
- Slovak Academy of Sciences
- 84511 Bratislava
- Slovakia
| | - Joris van Slageren
- Institute of Physical Chemistry
- University of Stuttgart
- 70569 Stuttgart
- Germany
| | - Petr Neugebauer
- Central European Institute of Technology
- CEITEC BUT
- 61200 Brno
- Czech Republic
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25
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Liu T, Chu Z, Jin W. Electrochemical mercury biosensors based on advanced nanomaterials. J Mater Chem B 2019. [DOI: 10.1039/c9tb00418a] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review presents an overview of the synthesis strategies and electrochemical performance of recently developed nanomaterials for the Hg2+ assay.
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Affiliation(s)
- Tao Liu
- State Key Laboratory of Material-Oriented Chemical Engineering
- College of Chemical Engineering
- Nanjing Tech University
- Nanjing 210009
- P. R. China
| | - Zhenyu Chu
- State Key Laboratory of Material-Oriented Chemical Engineering
- College of Chemical Engineering
- Nanjing Tech University
- Nanjing 210009
- P. R. China
| | - Wanqin Jin
- State Key Laboratory of Material-Oriented Chemical Engineering
- College of Chemical Engineering
- Nanjing Tech University
- Nanjing 210009
- P. R. China
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26
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Raymundo-Pereira PA, Baccarin M, Oliveira ON, Janegitz BC. Thin Films and Composites Based on Graphene for Electrochemical Detection of Biologically-relevant Molecules. ELECTROANAL 2018. [DOI: 10.1002/elan.201800283] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Paulo A. Raymundo-Pereira
- São Carlos Institute of Physics; University of São Paulo; CP 369, CEP 13560-970 São Carlos, SP Brazil
| | - Marina Baccarin
- São Carlos Institute of Chemistry; University of São Paulo; CP 380, CEP 13566-590 São Carlos, SP Brazil
| | - Osvaldo N. Oliveira
- São Carlos Institute of Physics; University of São Paulo; CP 369, CEP 13560-970 São Carlos, SP Brazil
| | - Bruno C. Janegitz
- Department of Nature Sciences, Mathematics and Education; Federal University of São Carlos; CEP 13600-970 Araras, SP Brazil
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27
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Guazzo R, Gardin C, Bellin G, Sbricoli L, Ferroni L, Ludovichetti FS, Piattelli A, Antoniac I, Bressan E, Zavan B. Graphene-Based Nanomaterials for Tissue Engineering in the Dental Field. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E349. [PMID: 29783786 PMCID: PMC5977363 DOI: 10.3390/nano8050349] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 05/16/2018] [Accepted: 05/17/2018] [Indexed: 12/12/2022]
Abstract
The world of dentistry is approaching graphene-based nanomaterials as substitutes for tissue engineering. Apart from its exceptional mechanical strength, electrical conductivity and thermal stability, graphene and its derivatives can be functionalized with several bioactive molecules. They can also be incorporated into different scaffolds used in regenerative dentistry, generating nanocomposites with improved characteristics. This review presents the state of the art of graphene-based nanomaterial applications in the dental field. We first discuss the interactions between cells and graphene, summarizing the available in vitro and in vivo studies concerning graphene biocompatibility and cytotoxicity. We then highlight the role of graphene-based nanomaterials in stem cell control, in terms of adhesion, proliferation and differentiation. Particular attention will be given to stem cells of dental origin, such as those isolated from dental pulp, periodontal ligament or dental follicle. The review then discusses the interactions between graphene-based nanomaterials with cells of the immune system; we also focus on the antibacterial activity of graphene nanomaterials. In the last section, we offer our perspectives on the various opportunities facing the use of graphene and its derivatives in associations with titanium dental implants, membranes for bone regeneration, resins, cements and adhesives as well as for tooth-whitening procedures.
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Affiliation(s)
- Riccardo Guazzo
- Department of Neurosciences, Institute of Clinical Dentistry, University of Padova, 35128 Padova, Italy.
| | - Chiara Gardin
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Pia Hospital, GVM Care & Research, 10132 Torino, Italy.
| | - Gloria Bellin
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Pia Hospital, GVM Care & Research, 10132 Torino, Italy.
| | - Luca Sbricoli
- Department of Neurosciences, Institute of Clinical Dentistry, University of Padova, 35128 Padova, Italy.
| | - Letizia Ferroni
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Pia Hospital, GVM Care & Research, 10132 Torino, Italy.
| | | | - Adriano Piattelli
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, 66100 Chieti, Italy.
| | - Iulian Antoniac
- Department Materials Science and Engineering, University Politehnica of Bucharest, 060032 Bucharest, Romania.
| | - Eriberto Bressan
- Department of Neurosciences, Institute of Clinical Dentistry, University of Padova, 35128 Padova, Italy.
| | - Barbara Zavan
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Cecilia Hospital, GVM Care & Research, 48033 Ravenna, Italy.
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28
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Three-Dimensional Graphene-RGD Peptide Nanoisland Composites That Enhance the Osteogenesis of Human Adipose-Derived Mesenchymal Stem Cells. Int J Mol Sci 2018; 19:ijms19030669. [PMID: 29495519 PMCID: PMC5877530 DOI: 10.3390/ijms19030669] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/03/2018] [Accepted: 02/22/2018] [Indexed: 12/13/2022] Open
Abstract
Graphene derivatives have immense potential in stem cell research. Here, we report a three-dimensional graphene/arginine-glycine-aspartic acid (RGD) peptide nanoisland composite effective in guiding the osteogenesis of human adipose-derived mesenchymal stem cells (ADSCs). Amine-modified silica nanoparticles (SiNPs) were uniformly coated onto an indium tin oxide electrode (ITO), followed by graphene oxide (GO) encapsulation and electrochemical deposition of gold nanoparticles. A RGD–MAP–C peptide, with a triple-branched repeating RGD sequence and a terminal cysteine, was self-assembled onto the gold nanoparticles, generating the final three-dimensional graphene–RGD peptide nanoisland composite. We generated substrates with various gold nanoparticle–RGD peptide cluster densities, and found that the platform with the maximal number of clusters was most suitable for ADSC adhesion and spreading. Remarkably, the same platform was also highly efficient at guiding ADSC osteogenesis compared with other substrates, based on gene expression (alkaline phosphatase (ALP), runt-related transcription factor 2), enzyme activity (ALP), and calcium deposition. ADSCs induced to differentiate into osteoblasts showed higher calcium accumulations after 14–21 days than when grown on typical GO-SiNP complexes, suggesting that the platform can accelerate ADSC osteoblastic differentiation. The results demonstrate that a three-dimensional graphene–RGD peptide nanoisland composite can efficiently derive osteoblasts from mesenchymal stem cells.
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29
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Flexible nanohybrid microelectrode based on carbon fiber wrapped by gold nanoparticles decorated nitrogen doped carbon nanotube arrays: In situ electrochemical detection in live cancer cells. Biosens Bioelectron 2018; 100:453-461. [DOI: 10.1016/j.bios.2017.09.038] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 09/20/2017] [Indexed: 11/23/2022]
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30
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Ganganboina AB, Dutta Chowdhury A, Doong RA. N-Doped Graphene Quantum Dots-Decorated V 2O 5 Nanosheet for Fluorescence Turn Off-On Detection of Cysteine. ACS APPLIED MATERIALS & INTERFACES 2018; 10:614-624. [PMID: 29227622 DOI: 10.1021/acsami.7b15120] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The development of a fast-response sensing technique for detection of cysteine can provide an analytical platform for prescreening of disease. Herein, we have developed a fluorescence turn off-on fluorescence sensing platform by combining nitrogen-doped graphene quantum dots (N-GQDs) with V2O5 nanosheets for the sensitive and selective detection of cysteine in human serum samples. V2O5 nanosheets with 2-4 layers are successfully synthesized via a simple and scalable liquid exfoliation method and then deposited with 2-8 nm of N-GQDs as the fluorescence turn off-on nanoprobe for effective detection of cysteine in human serum samples. The V2O5 nanosheets serve as both fluorescence quencher and cysteine recognizer in the sensing platform. The fluorescence intensity of N-GQDs with quantum yield of 0.34 can be quenched after attachment onto V2O5 nanosheets. The addition of cysteine triggers the reduction of V2O5 to V4+ as well as the release of N-GQDs within 4 min, resulting in the recovery of fluorescence intensity for the turn off-on detection of cysteine. The sensing platform exhibits a two-stage linear response to cysteine in the concentration range of 0.1-15 and 15-125 μM at pH 6.5, and the limit of detection is 50 nM. The fluorescence response of N-GQD@V2O5 exhibits high selectivity toward cysteine over other 22 electrolytes and biomolecules. Moreover, this promising platform is successfully applied in detection of cysteine in human serum samples with excellent recovery of (95 ± 3.8) - (108 ± 2.4)%. These results clearly demonstrate a newly developed redox reaction-based nanosensing platform using N-GQD@V2O5 nanocomposites as the sensing probe for cysteine-associated disease monitoring and diagnosis in biomedical applications, which can open an avenue for the development of high performance and robust sensing probes to detect organic metabolites.
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Affiliation(s)
- Akhilesh Babu Ganganboina
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University , 101 Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
| | - Ankan Dutta Chowdhury
- Institute of Environmental Engineering, National Chiao Tung University , 1001 University Road, Hsinchu 30010, Taiwan
| | - Ruey-An Doong
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University , 101 Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
- Institute of Environmental Engineering, National Chiao Tung University , 1001 University Road, Hsinchu 30010, Taiwan
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Dhanjai, Sinha A, Lu X, Wu L, Tan D, Li Y, Chen J, Jain R. Voltammetric sensing of biomolecules at carbon based electrode interfaces: A review. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2017.11.010] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Chen F, Gao W, Qiu X, Zhang H, Liu L, Liao P, Fu W, Luo Y. Graphene quantum dots in biomedical applications: Recent advances and future challenges. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.flm.2017.12.006] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Surface tailoring of polyacrylate-grafted graphene oxide for controlled interactions at the biointerface. J Colloid Interface Sci 2017; 506:532-542. [PMID: 28756320 DOI: 10.1016/j.jcis.2017.07.080] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Revised: 07/20/2017] [Accepted: 07/20/2017] [Indexed: 11/21/2022]
Abstract
The actual surface termination and lateral size of a nanomaterial is crucial in its interaction with biomolecules at the aqueous interface. Graphene oxide (GO) nanosheets have been demonstrated as promising nanoplatform for both diagnostic and therapeutic applications. To this respect, 'smart' GO nanocarriers have been obtained by the surface functionalisation with polymers sensitive, e.g., to pH, as the polyacrylate (PAA) case. In this work, hybrid GO/PAA samples prepared respectively at low (GOPAAthin) or high (GOPAAthick) monomer grafting ratio, were scrutinised both theoretically, by molecular dynamic calculations, and experimentally by a multitechnique approach, including spectroscopic (UV-visible, fluorescence, Raman, Attenuated-total reflectance-Fourier transformed infrared and X-ray photoelectron spectroscopies), spectrometric (time-of-flight secondary ion and electrospray ionisation mass spectrometries) and microscopic (atomic force and confocal microscopies) methods. The actual surface termination, evaluated in terms of the relative ratio between polar and dispersive groups at the surface of the GO/polymer systems, was found to correlate with the average orientation of hydrophilic/hydrophobic domains of albumin, used as model protein. Moreover, the comparison among GO, GO-PAAthin and GO-PAAthick in the optical response at the interface with aqueous solutions, both at acid and at physiological pH, showed that the hybrid GO-polymer platform could be suitable not only to exploit a pH-triggered drug release but also for a modulation of the GO intrinsic emission properties. Energy transfer experiments on the GO/polymer oxide/fluorescein-labelled albumin/doxorubicin assembly showed significant differences for GO and GO-PAA samples, thus demonstrating the occurrence of different electronic processes at the hybrid nano-bio-interfaces. Confocal microscopy studies of cellular uptake in neuroblastoma cells confirmed the promising potentialities of the developed nanoplatform for applications at the biointerface.
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Li QF, Liu Z, Jin L, Yang P, Wang Z. A water-soluble fluorescent hybrid material based on aminoclay and its bioimaging application. RSC Adv 2017. [DOI: 10.1039/c7ra08581h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A water soluble fluorescent hybrid material by functionalization of aminoclay as an efficient biological stain for bio-imaging.
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Affiliation(s)
- Qing-Feng Li
- The Key Laboratory of Rare Earth Functional Materials and Applications
- Zhoukou Normal University
- Zhoukou 466001
- P. R. China
- International Joint Research Laboratory for Biomedical Nanomaterials of Henan
| | - Zengchen Liu
- The Key Laboratory of Rare Earth Functional Materials and Applications
- Zhoukou Normal University
- Zhoukou 466001
- P. R. China
- International Joint Research Laboratory for Biomedical Nanomaterials of Henan
| | - Lin Jin
- The Key Laboratory of Rare Earth Functional Materials and Applications
- Zhoukou Normal University
- Zhoukou 466001
- P. R. China
- International Joint Research Laboratory for Biomedical Nanomaterials of Henan
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Material Science and Chemical Engineering
- Harbin Engineering University
- Harbin 150001
| | - Zhenling Wang
- The Key Laboratory of Rare Earth Functional Materials and Applications
- Zhoukou Normal University
- Zhoukou 466001
- P. R. China
- International Joint Research Laboratory for Biomedical Nanomaterials of Henan
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Fan J, Zhang X, Cheng Y, Xiao C, Wang W, Liu X, Tong C, Liu B. Increasing the sensitivity and selectivity of a GONS quenched probe for an mRNA assay assisted with duplex specific nuclease. RSC Adv 2017. [DOI: 10.1039/c7ra05656g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The authors report a new graphene oxide nanosheet (GONS) based fluorescence method for mRNA assay with duplex-specific nuclease (DSN)-assisted signal amplification.
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Affiliation(s)
- Jialong Fan
- College of Biology
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation
- Hunan University
- Changsha
- China
| | - Xizhi Zhang
- College of Biology
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation
- Hunan University
- Changsha
- China
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology
- Renmin Hospital of Wuhan University
- Wuhan
- China
| | - Changhui Xiao
- College of Biology
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation
- Hunan University
- Changsha
- China
| | - Wei Wang
- Dongguan Research Center
- Guangdong Medical University
- Dongguan
- China
| | - Xuanming Liu
- College of Biology
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation
- Hunan University
- Changsha
- China
| | - Chunyi Tong
- College of Biology
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation
- Hunan University
- Changsha
- China
| | - Bin Liu
- College of Biology
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation
- Hunan University
- Changsha
- China
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