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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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Asghari S, Ekrami E, Barati F, Avatefi M, Mahmoudifard M. The role of the nanofibers in lateral flow assays enhancement: a critical review. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2090360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Sahar Asghari
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Elena Ekrami
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Fatemeh Barati
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Manizheh Avatefi
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Matin Mahmoudifard
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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Pavlova E, Maslakova A, Prusakov K, Bagrov D. Optical sensors based on electrospun membranes – principles, applications, and prospects for chemistry and biology. NEW J CHEM 2022. [DOI: 10.1039/d2nj01821g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Electrospun membranes are promising substrates for receptor layer immobilization in optical sensors. Either colorimetric, luminescence, or Raman scattering signal can be used to detect the analyte.
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Affiliation(s)
- Elizaveta Pavlova
- Lomonosov Moscow State University, Faculty of Biology, Leninskie Gory 1-12, 119234, Moscow, Russian Federation
- Federal Research Clinical Center of Physical–Chemical Medicine of the Federal Medical and Biological Agency of Russia, 1a Malaya Pirogovskaya Street, 119435, Moscow, Russian Federation
| | - Aitsana Maslakova
- Lomonosov Moscow State University, Faculty of Biology, Leninskie Gory 1-12, 119234, Moscow, Russian Federation
| | - Kirill Prusakov
- Lomonosov Moscow State University, Faculty of Biology, Leninskie Gory 1-12, 119234, Moscow, Russian Federation
- Federal Research Clinical Center of Physical–Chemical Medicine of the Federal Medical and Biological Agency of Russia, 1a Malaya Pirogovskaya Street, 119435, Moscow, Russian Federation
| | - Dmitry Bagrov
- Lomonosov Moscow State University, Faculty of Biology, Leninskie Gory 1-12, 119234, Moscow, Russian Federation
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Engineered Membranes for Residual Cell Trapping on Microfluidic Blood Plasma Separation Systems: A Comparison between Porous and Nanofibrous Membranes. MEMBRANES 2021; 11:membranes11090680. [PMID: 34564497 PMCID: PMC8470088 DOI: 10.3390/membranes11090680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 11/24/2022]
Abstract
Blood-based clinical diagnostics require challenging limit-of-detection for low abundance, circulating molecules in plasma. Micro-scale blood plasma separation (BPS) has achieved remarkable results in terms of plasma yield or purity, but rarely achieving both at the same time. Here, we proposed the first use of electrospun polylactic-acid (PLA) membranes as filters to remove residual cell population from continuous hydrodynamic-BPS devices. The membranes hydrophilicity was improved by adopting a wet chemistry approach via surface aminolysis as demonstrated through Fourier Transform Infrared Spectroscopy and Water Contact Angle analysis. The usability of PLA-membranes was assessed through degradation measurements at extreme pH values. Plasma purity and hemolysis were evaluated on plasma samples with residual red blood cell content (1, 3, 5% hematocrit) corresponding to output from existing hydrodynamic BPS systems. Commercially available membranes for BPS were used as benchmark. Results highlighted that the electrospun membranes are suitable for downstream residual cell removal from blood, permitting the collection of up to 2 mL of pure and low-hemolyzed plasma. Fluorometric DNA quantification revealed that electrospun membranes did not significantly affect the concentration of circulating DNA. PLA-based electrospun membranes can be combined with hydrodynamic BPS in order to achieve high volume plasma separation at over 99% plasma purity.
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Wu L, Zhou M, Wang Y, Liu J. Nanozyme and aptamer- based immunosorbent assay for aflatoxin B1. JOURNAL OF HAZARDOUS MATERIALS 2020; 399:123154. [PMID: 32937727 DOI: 10.1016/j.jhazmat.2020.123154] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/23/2020] [Accepted: 06/07/2020] [Indexed: 05/05/2023]
Abstract
Traditional enzyme-linked immunosorbent assay (ELISA) suffers from the limitations of relatively low sensitivity and stability, and enzyme-labelled antibodies are hard to be prepared and purified. Based on a nanozyme, an aptamer and Fe3O4 magnetic nanoparticles (MNP), a nanozyme and aptamer-based immunosorbent assay (NAISA) was developed for aflatoxin B1 (AFB1) detection with simpler operation and separation. In this work, mesoporous SiO2/Au-Pt (m-SAP) were prepared to act as signal labels, which showed high catalase-like activity and was denoted as nanozyme. Aptamer was adopted to specifically recognize with AFB1, and MNP facilitated to realize magnetic separation. To verify the performance of NAISA, traditional ELISA (t-ELISA) and enhanced ELISA (e-ELISA) using MNP and m-SAP nanozyme were applied in AFB1 detection. The NAISA method showed the lowest limit of detection (LOD) with 5 pg mL-1 (n = 3, ±4.2 %), 600 and 12-fold lower than that of t-ELISA (3 ng mL-1) and e-ELISA (0.06 ng mL-1), respectively. In the interference tests, AFB1 can be identified among six different interfering substances. The NAISA method, thus, can be of great importance as it allows selective and sensitive AFB1 detection, while providing the simplicity of use and need for screening hazardous materials.
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Affiliation(s)
- Long Wu
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan, Hubei 430068, PR China; College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
| | - Min Zhou
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan, Hubei 430068, PR China; College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Yasheng Wang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan, Hubei 430068, PR China
| | - Jingmin Liu
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan, Hubei 430068, PR China
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Rezaei Z, Mahmoudifard M. Pivotal role of electrospun nanofibers in microfluidic diagnostic systems - a review. J Mater Chem B 2020; 7:4602-4619. [PMID: 31364667 DOI: 10.1039/c9tb00682f] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recently, the usage of electrospinning technology for the fabrication of fine fibers with a good deal of variation in morphology and structure has drawn the attention of many researchers around the world. These fibers have found their way in the many fields of science including medical diagnosis, tissue engineering, drug delivery, replica molding, solar cells, catalysts, energy conversion and storage, physical and chemical sensors and other applications. Among all applications, biosensing with the aim of rapid and sensitive biomarker detection is an area that warrants attention. Electrospun nanofibrous membranes enjoy numerous factors which benefit them to be used as potential candidates in biosensing platforms. Some of these factors include a high surface to volume ratio, analogous scale compared to bioactive molecules and relatively defect-free properties of nanofibers (NFs). In this review, we focused on the recent advances in electrospun nanofibrous membrane-based micro-analytical devices with an application as diagnostic systems. Hence, a study on the electrospun nanofiber usage in lab-on-a-chip and paper-based point-of-care devices, with an opening introduction to biosensors, nanofibers, the electrospinning method, and microfluidics as the principles of the intended subject, is provided. It is anticipated that the given examples in this paper will provide sufficient evidence for the potential of electrospun NFs for being used as a substrate in the commercial fabrication of highly sensitive and selective biosensors.
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Affiliation(s)
- Zahra Rezaei
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran and Chemical & Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran.
| | - Matin Mahmoudifard
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
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Barati F, Arpanaei A, Mahmoudifard M. Highly efficient detection of cancer-derived exosomes using modified core-shell electrospun nanofibers as a capture substrate and antibody immobilized-graphene quantum dots as a signaling agent. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:3670-3681. [PMID: 32701088 DOI: 10.1039/d0ay00944j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In the past few years graphene quantum dots (GQDs) have been used as a signaling agent for medical diagnosis. They can be modified and labeled with different macromolecules to give them potential to be attached to a specific target. Herein GQDs were labeled with an antibody which is specific for cancer-derived exosomes, isolated from blood serum by using a specialized PCL-gelatin core-shell NFM. This membrane showed excellent sensitivity for isolating exosomes from a complex mixture such as serum, and the GQD-antibody complex detected the isolated exosomes with great sensitivity. The final results allow this method to be considered as one that can be used to quantify the concentration of a desired analyte in a mixture.
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Affiliation(s)
- Fatemeh Barati
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
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A promising approach toward efficient isolation of the exosomes by core-shell PCL-gelatin electrospun nanofibers. Bioprocess Biosyst Eng 2020; 43:1961-1971. [PMID: 32607862 DOI: 10.1007/s00449-020-02385-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 05/27/2020] [Indexed: 12/23/2022]
Abstract
Exosomes as cell-derived vesicles are promising biomarkers for noninvasive and early detection of different types of cancer. However, a straightforward and cost-effective technique for isolation of exosomes in routine clinical settings is still challenging. Herein, we present for the first time, a novel coaxial nanofiber structure for the exosome isolation from body fluids with high efficiency. Coaxial nanofiber structure is composed of polycaprolactone polymer as core and a thin layer of gelatin (below 10 nm) as the shell. The thermo-sensitive thin layer of gelatin can efficiently release the captured exosome by specific antibody namely, CD63, whenever its temperature raised to the physiological temperature of 37 °C. Moreover, the thin layer of gelatin induces less contamination to separated exosomes. The interconnected micro-pores of electrospun nanofibrous membrane insurances large surface area for immobilization of specific antibody for efficient exosome capturing. The efficacy of exosome isolation is determined by direct ELISA and compared with ultracentrifugation technique. For the exosome isolation, it was observed that over 87% of exosomes existed in the culture medium can be effectively isolated by coaxial electrospun nanofibers with the average thickness of 50 µm. Therefore, this promising technique can be substituted for the traditional techniques for exosome isolation which are mostly suffering from low efficacy, high cost, and troublesome process.
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Zaarour B, Zhu L, Huang C, Jin X. A mini review on the generation of crimped ultrathin fibers via electrospinning: Materials, strategies, and applications. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.4876] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Bilal Zaarour
- Engineering Research Center of Technical Textiles, Ministry of Education, College of TextilesDonghua University Shanghai China
- Textile Industries Mechanical Engineering and Techniques Department, Faculty of Mechanical and Electrical EngineeringDamascus University Damascus Syria
| | - Lei Zhu
- Engineering Research Center of Technical Textiles, Ministry of Education, College of TextilesDonghua University Shanghai China
| | - Chen Huang
- Engineering Research Center of Technical Textiles, Ministry of Education, College of TextilesDonghua University Shanghai China
| | - Xiangyu Jin
- Engineering Research Center of Technical Textiles, Ministry of Education, College of TextilesDonghua University Shanghai China
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