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Yessuf AM, Bahri M, Kassa TS, Sharma BP, Salama AM, Xing C, Zhang Q, Liu Y. Electrospun Polymeric Nanofibers: Current Trends in Synthesis, Surface Modification, and Biomedical Applications. ACS APPLIED BIO MATERIALS 2024; 7:4231-4253. [PMID: 38857339 DOI: 10.1021/acsabm.4c00307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Electrospun polymeric nanofibers are essential in various fields for various applications because of their unique properties. Their features are similar to extracellular matrices, which suggests them for applications in healthcare fields, such as antimicrobials, tissue engineering, drug delivery, wound healing, bone regeneration, and biosensors. This review focuses on the synthesis of electrospun polymeric nanofibers, their surface modification, and their biomedical applications. Nanofibers can be fabricated from both natural and synthetic polymers and their composites. Even though they mimic extracellular matrices, their surface features (physicochemical characteristics) are not always capable of fulfilling the purpose of the target application. Therefore, they need to be improved via surface modification techniques. Both needle-based and needleless electrospinning are thoroughly discussed. Various techniques and setups employed in each method are also reviewed. Furthermore, pre- and postspinning modification approaches for electrospun nanofibers, including instrument design and the modification features for targeted biomedical applications, are also extensively discussed. In this way, the remarkable potential of electrospun polymeric nanofibers can be highlighted to reveal future research directions in this dynamic field.
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Affiliation(s)
- Abdurohman Mengesha Yessuf
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mohamed Bahri
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Tibebu Shiferaw Kassa
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Bharat Prasad Sharma
- Beijing Key Laboratory of Electrochemical Process and Technology of Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ahmed M Salama
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Changmin Xing
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qidong Zhang
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing 100029, China
| | - Yong Liu
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Liška V, Willimetz R, Kubát P, Křtěnová P, Gyepes R, Mosinger J. Synergistic photogeneration of nitric oxide and singlet oxygen by nanofiber membranes via blue and/or red-light irradiation: Strong antibacterial action. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 255:112906. [PMID: 38688040 DOI: 10.1016/j.jphotobiol.2024.112906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/28/2024] [Accepted: 04/05/2024] [Indexed: 05/02/2024]
Abstract
New functionalities were added to biocompatible polycaprolactone nanofiber materials through the co-encapsulation of chlorin e6 trimethyl ester (Ce6) photogenerating singlet oxygen and absorbing light both in the blue and red regions, and using 4-(N-(aminopropyl)-3-(trifluoromethyl)-4-nitrobenzenamine)-7-nitrobenzofurazan, NO-photodonor (NOP), absorbing light in the blue region of visible light. Time-resolved and steady-state luminescence, as well as absorption spectroscopy, were used to monitor both photoactive compounds. The nanofiber material exhibited photogeneration of antibacterial species, specifically nitric oxide and singlet oxygen, upon visible light excitation. This process resulted in the efficient photodynamic inactivation of E. coli not only close to nanofiber material surfaces due to short-lived singlet oxygen, but even at longer distances due to diffusion of longer-lived nitric oxide. Interestingly, nitric oxide was also formed by processes involving photosensitization of Ce6 during irradiation by red light. This is promising for numerous applications, especially in the biomedical field, where strictly local photogeneration of NO and its therapeutic benefits can be applied using excitation in the "human body phototherapeutic window" (600-850 nm). Generally, due to the high permeability of red light, the photogeneration of NO can be achieved in any aqueous environment where direct excitation of NOP to its absorbance in the blue region is limited.
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Affiliation(s)
- Vojtěch Liška
- Faculty of Science, Charles University, Hlavova 2030, 128 43 Prague 2, Czech Republic
| | - Robert Willimetz
- Faculty of Science, Charles University, Hlavova 2030, 128 43 Prague 2, Czech Republic
| | - Pavel Kubát
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 182 23 Prague 8, Czech Republic
| | - Petra Křtěnová
- Faculty of Science, Charles University, Hlavova 2030, 128 43 Prague 2, Czech Republic
| | - Robert Gyepes
- Department of Chemistry, Faculty of Education of J. Selye University, Bratislavská 3322, 945 01 Komárno, Slovak Republic
| | - Jiří Mosinger
- Faculty of Science, Charles University, Hlavova 2030, 128 43 Prague 2, Czech Republic.
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Cetinkaya A, Kaya SI, Budak F, Ozkan SA. Current Analytical Methods for the Sensitive Assay of New-Generation Ovarian Cancer Drugs in Pharmaceutical and Biological Samples. Crit Rev Anal Chem 2024:1-17. [PMID: 38630637 DOI: 10.1080/10408347.2024.2339962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Ovarian cancer, which affects the female reproductive organs, is one of the most common types of cancer. Since this type of cancer has a high mortality rate from gynaecological cancers, the scientific community shows great interest in studies on its treatment. Chemotherapy, radiotherapy, and surgical treatment methods are used in its treatment. In the absence of targeted treatments in these treatment methods, side effects occur in patients, and patients show resistance to the drug. In addition, the underlying causes of ovarian cancer are still not fully known. The scientific world thinks that genetic factors, environmental conditions, and consumed foods may cause this cancer. The most important factor in the treatment of ovarian cancer is early diagnosis. Therefore, the drugs used in the treatment of ovarian cancer are platinum-based anticancer drugs. In addition to these drugs, the most preferred treatment method recently is targeted treatment approaches using poly(adenosine diphosphate ribose) polymerase (PARP) inhibitors. In this review, studies on the sensitive analysis of the treatment methods of these new-generation drugs used in the treatment of ovarian cancer have been comprehensively examined. In addition, the basic features, structural aspects, and biological data of analytical methods used in treatments with new-generation drugs are explained. Analytical studies carried out in the literature in recent years aim to show future developments in how these new-generation drugs are used today and to guide future studies by comprehensively examining and explaining the structure-activity relationship, mechanism of action, toxicity, and pharmacokinetic studies. Finally, in this study, the methods used in the analysis of drugs used in the treatment of ovarian cancer and the studies conducted between 2015 and 2023 were discussed in detail.
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Affiliation(s)
- Ahmet Cetinkaya
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
| | - S Irem Kaya
- Gulhane Faculty of Pharmacy, Department of Analytical Chemistry, University of Health Sciences, Ankara, Turkey
| | - Fatma Budak
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
- Graduate School of Health Sciences, Ankara University, Ankara, Turkey
| | - Sibel A Ozkan
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
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Li L, Wang T, Zhong Y, Li R, Deng W, Xiao X, Xu Y, Zhang J, Hu X, Wang Y. A review of nanomaterials for biosensing applications. J Mater Chem B 2024; 12:1168-1193. [PMID: 38193143 DOI: 10.1039/d3tb02648e] [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: 01/10/2024]
Abstract
A biosensor is a device that reacts with the analyte to be analyzed, detects its concentration, and generates readable information, which plays an important role in medical diagnosis, detection of physiological indicators, and disease prevention. Nanomaterials have received increasing attention in the fabrication and improvement of biosensors due to their unique physicochemical and optical properties. In this paper, the properties of nanomaterials such as the size effect, optical and electrical properties, and their advantages in the field of biosensing are briefly summarized, and the application of nanomaterials can effectively improve the sensitivity and reduce the detection limit of biosensors. The advantages of commonly used nanomaterials such as gold nanoparticles (AuNPs), carbon nanotubes (CNTs), quantum dots (QDs), graphene, and magnetic nanobeads for biosensor applications are also reviewed. Besides, the two main types of biosensors using nanomaterials involved in their construction and their working principles are described, and the toxicity and biocompatibility of nanomaterials and the future direction of nanomaterial biosensors are discussed.
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Affiliation(s)
- Lei Li
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
| | - Tianshu Wang
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
| | - Yuting Zhong
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
| | - Ruyi Li
- Rotex Co., Ltd, Chengdu, Sichuan, 610043, China
| | - Wei Deng
- Department of Orthopedics, Pidu District People's Hospital, the Third Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 611730, China
| | - Xuanyu Xiao
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
| | - Yuanyuan Xu
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
| | - Jieyu Zhang
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
| | - Xuefeng Hu
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials & College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610065, China.
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Celik Cogal G, Cogal S, Machata P, Uygun Oksuz A, Omastová M. Electrospun cobalt-doped 2D-MoSe 2/polypyrrole hybrid-based carbon nanofibers as electrochemical sensing platforms. Mikrochim Acta 2024; 191:75. [PMID: 38172450 PMCID: PMC10764547 DOI: 10.1007/s00604-023-06078-2] [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: 07/14/2023] [Accepted: 10/26/2023] [Indexed: 01/05/2024]
Abstract
A novel cobalt-doped two-dimensional molybdenum diselenide/polypyrrole hybrid-based carbon nanofiber (Co/MoSe2/PPy@CNF) was prepared using the hydrothermal method followed by electrospinning technique. The structural and morphological properties of the 2D-TMD@CNF-based hybrids were characterized through X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS), and transmission electron microscopy (TEM). The Co-MoSe2/PPy@CNF exhibited large surface area, porous structure, and improved active sites due to the synergistic effect of the components. The electrochemical and electrocatalytic characteristics of the 2D-TMD@CNF-modified electrodes were also investigated using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) techniques. The Co/MoSe2/PPy@CNF electrode was used as an electrochemical sensor for simultaneous detection of ascorbic acid (AA), dopamine (DA), and uric acid (UA) and showed enhanced catalytic activity and sensitivity. Using DPV measurements, the Co/MoSe2/PPy@CNF demonstrated wide linear ranges of 30-3212 μM for AA, 1.2-536 μM for DA, and 10-1071 μM for UA with low detection limits of 6.32, 0.45, and 0.81 μM, respectively. The developed sensor with the Co/MoSe2/PPy@CNF-modified electrode was also applied to a human urine sample and gave recoveries ranging from 94.0 to 105.5% (n = 3) for AA, DA, and UA. Furthermore, the Co/MoSe2/PPy@CNF-based sensor exhibited good selectivity and reproducibility for the detection of AA, DA, and UA.
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Affiliation(s)
- Gamze Celik Cogal
- Polymer Institute, Slovak Academy of Sciences, Dubravska cesta 9, 84541, Bratislava, Slovakia.
- Faculty of Arts and Science, Department of Chemistry, Suleyman Demirel University, 32000, Isparta, Türkiye.
| | - Sadik Cogal
- Polymer Institute, Slovak Academy of Sciences, Dubravska cesta 9, 84541, Bratislava, Slovakia
- Faculty of Arts and Science, Department of Chemistry, Burdur Mehmet Akif Ersoy University, 15030, Burdur, Türkiye
| | - Peter Machata
- Polymer Institute, Slovak Academy of Sciences, Dubravska cesta 9, 84541, Bratislava, Slovakia
| | - Aysegul Uygun Oksuz
- Faculty of Arts and Science, Department of Chemistry, Suleyman Demirel University, 32000, Isparta, Türkiye
| | - Maria Omastová
- Polymer Institute, Slovak Academy of Sciences, Dubravska cesta 9, 84541, Bratislava, Slovakia
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Zalke JB, Narkhede NP, Pandhurnekar CP, Rotake DR, Singh SG. Non-enzymatic glucose detection with screen-printed chemiresistive sensor using green synthesised silver nanoparticle and multi-walled carbon nanotubes-zinc oxide nanofibers. NANOTECHNOLOGY 2023; 35:065502. [PMID: 37918017 DOI: 10.1088/1361-6528/ad090c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/01/2023] [Indexed: 11/04/2023]
Abstract
Non-enzymatic screen-printed chemiresistive interdigitated electrodes (SPCIE) were designed and fabricated using a low-cost screen-printing method for detection of the glucose. The interdigitated electrodes (IDE) pattern was printed using conductive graphene ink on the glossy surface of the photo paper. The proposed glossy photo paper-based SPCIE are functionalized with multi-walled carbon nanotubes-zinc oxide (MWCNTs-ZnO) nanofibers to create the chemiresistive matrix. Further, to bind these nanofibers with the graphene electrode surface, we have used the green synthesized silver nanoparticles (AgNPs) with banana flower stem fluid (BFSF) as a binder solution. AgNPs with BFSF form the conductive porous natural binder layer (CPNBL). It does not allow to increase the resistivity of the deposited material on graphene electrodes and also keeps the nanofibers intact with paper-based SPCIE. The synthesized material of MWCNT-ZnO nanofibers and green synthesized AgNPs with BFSF as a binder were characterized by Ultraviolet-visible spectroscopy (UV-vis), scanning electron microscope (SEM), x-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR). The amperometric measurements were performed on the proposed SPCIE sensor to detect the glucose sample directly. The innovative paper-based SPCIE glucose sensor exhibits a linear corelation between current measurements and glucose concentration in the range between 45.22μm and 20 mm, with a regression coefficient (R2) of 0.9902 and a lower limit of detection (LoD) of 45.22μm (n= 5). The sensitivity of the developed SPCIE sensor was 2178.57μAmM-1cm-2, and the sensor's response time determined was approximately equal to 18 s. The proposed sensor was also tested for real blood serum sample, and relative standard deviation (RSD) was found equal to 2.95%.
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Affiliation(s)
- Jitendra B Zalke
- Department of Electronics Design Technology, Shri Ramdeobaba College of Engineering and Management, Nagpur, India
| | - N P Narkhede
- Department of Electronics Engineering, Shri Ramdeobaba College of Engineering and Management, Nagpur, India
| | - C P Pandhurnekar
- Department of Chemistry, Shri Ramdeobaba College of Engineering and Management, Nagpur, India
| | - Dinesh R Rotake
- Department of Electrical Engineering, Indian Institute of Technology, Hyderabad, India
| | - Shiv Govind Singh
- Department of Electrical Engineering, Indian Institute of Technology, Hyderabad, India
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Sadeghzadeh H, Dianat-Moghadam H, Del Bakhshayesh AR, Mohammadnejad D, Mehdipour A. A review on the effect of nanocomposite scaffolds reinforced with magnetic nanoparticles in osteogenesis and healing of bone injuries. Stem Cell Res Ther 2023; 14:194. [PMID: 37542279 PMCID: PMC10403948 DOI: 10.1186/s13287-023-03426-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 07/24/2023] [Indexed: 08/06/2023] Open
Abstract
Many problems related to disorders and defects of bone tissue caused by aging, diseases, and injuries have been solved by the multidisciplinary research field of regenerative medicine and tissue engineering. Numerous sciences, especially nanotechnology, along with tissue engineering, have greatly contributed to the repair and regeneration of tissues. Various studies have shown that the presence of magnetic nanoparticles (MNPs) in the structure of composite scaffolds increases their healing effect on bone defects. In addition, the induction of osteogenic differentiation of mesenchymal stem cells (MSCs) in the presence of these nanoparticles has been investigated and confirmed by various studies. Therefore, in the present article, the types of MNPs, their special properties, and their application in the healing of damaged bone tissue have been reviewed. Also, the molecular effects of MNPs on cell behavior, especially in osteogenesis, have been discussed. Finally, the present article includes the potential applications of MNP-containing nanocomposite scaffolds in bone lesions and injuries. In summary, this review article highlights nanocomposite scaffolds containing MNPs as a solution for treating bone defects in tissue engineering and regenerative medicine.
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Affiliation(s)
- Hadi Sadeghzadeh
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Science, Tabriz, Iran
| | - Hassan Dianat-Moghadam
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azizeh Rahmani Del Bakhshayesh
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Daryush Mohammadnejad
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Anatomical Sciences, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Mehdipour
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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Vanaraj R, Arumugam B, Mayakrishnan G, Kim IS, Kim SC. A Review on Electrospun Nanofiber Composites for an Efficient Electrochemical Sensor Applications. SENSORS (BASEL, SWITZERLAND) 2023; 23:6705. [PMID: 37571489 PMCID: PMC10422532 DOI: 10.3390/s23156705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023]
Abstract
The present review article discusses the elementary concepts of the sensor mechanism and various types of materials used for sensor applications. The electrospinning method is the most comfortable method to prepare the device-like structure by means of forming from the fiber structure. Though there are various materials available for sensors, the important factor is to incorporate the functional group on the surface of the materials. The post-modification sanction enhances the efficiency of the sensor materials. This article also describes the various types of materials applied to chemical and biosensor applications. The chemical sensor parts include acetone, ethanol, ammonia, and CO2, H2O2, and NO2 molecules; meanwhile, the biosensor takes on glucose, uric acid, and cholesterol molecules. The above materials have to be sensed for a healthier lifestyle for humans and other living organisms. The prescribed review articles give a detailed report on the Electrospun materials for sensor applications.
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Affiliation(s)
- Ramkumar Vanaraj
- School of Chemical Engineering, Yeungnam University, Gyeonsan 38541, Republic of Korea; (R.V.); (B.A.)
| | - Bharathi Arumugam
- School of Chemical Engineering, Yeungnam University, Gyeonsan 38541, Republic of Korea; (R.V.); (B.A.)
| | - Gopiraman Mayakrishnan
- Nano Fusion Technology Research Group, Division of Molecules and Polymers, Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Tokida 3-15-1, Ueda 386-8567, Nagano, Japan;
| | - Ick Soo Kim
- Nano Fusion Technology Research Group, Division of Molecules and Polymers, Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Tokida 3-15-1, Ueda 386-8567, Nagano, Japan;
| | - Seong Cheol Kim
- School of Chemical Engineering, Yeungnam University, Gyeonsan 38541, Republic of Korea; (R.V.); (B.A.)
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Zatrochová S, Lhotská I, Erben J, Chvojka J, Švec F, Chocholouš P, Šatínský D. Small nanofibrous disks for preconcentration of environmental contaminants followed by direct in-vial elution and chromatographic determination. Talanta 2023; 263:124688. [PMID: 37247455 DOI: 10.1016/j.talanta.2023.124688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/05/2023] [Accepted: 05/17/2023] [Indexed: 05/31/2023]
Abstract
A novel method for the extraction of river water contaminants as model analytes of ranging polarities, including bisphenols A, C, S, Z, fenoxycarb, kadethrin, and deltamethrin, using small compact fibrous disks has been developed and validated. Polymer nanofibers and microfibers prepared from poly(3-hydroxybutyrate), polypropylene, polyurethane, polyacrylonitrile, poly(lactic acid), and polycaprolactone doped with graphene were evaluated in terms of extraction efficiency, selectivity, and stability in organic solutions. Our novel extraction procedure comprised preconcentration of analytes from 150 mL river water to 1 mL of eluent using a compact nanofibrous disk freely vortexed in the sample. Small nanofibrous disks with a diameter of 10 mm were cut from a compact and mechanically stable 1-2 mm thick micro/nanofibrous sheet. After 60 min extraction in a magnetically stirred sample located in a beaker, the disk was removed from the liquid and washed with water. Then, the disk was inserted into a 1.5 mL HPLC vial and extracted with 1.0 ml methanol upon short intensive shaking. Our approach avoided the undesired problems related to the manual handling typical of "classical" SPE procedure since the extraction was carried out directly in the HPLC vial. No sample evaporation, reconstitution, or pipetting was required. The nanofibrous disk is affordable, needs no support or holder, and its use avoids creation of plastic waste originating from disposable materials. Recovery of compounds from the disks was 47.2-141.4% depending on the type of polymer used and the relative standard deviations calculated from 5 extractions ranged from 6.1 to 11.8% for poly(3-hydroxybutyrate), 6.3-14.8% for polyurethane, and 1.7-16.2% for polycaprolactone doped with graphene. A small enrichment factor was obtained for polar bisphenol S using all sorbents. A higher preconcentration reaching up to 40-fold was achieved for lipophilic compounds such as deltamethrin when using poly(3-hydroxybutyrate) and graphene-doped polycaprolactone.
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Affiliation(s)
- Slavomíra Zatrochová
- Charles University, Faculty of Pharmacy in Hradec Králové, Department of Analytical Chemistry, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Ivona Lhotská
- Charles University, Faculty of Pharmacy in Hradec Králové, Department of Analytical Chemistry, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Jakub Erben
- The Technical University of Liberec, Faculty of Textile Engineering, Department of Nonwovens and Nanofibrous Materials, Studentská 1402/2, 46001, Liberec 1, Czech Republic
| | - Jiří Chvojka
- The Technical University of Liberec, Faculty of Textile Engineering, Department of Nonwovens and Nanofibrous Materials, Studentská 1402/2, 46001, Liberec 1, Czech Republic
| | - František Švec
- Charles University, Faculty of Pharmacy in Hradec Králové, Department of Analytical Chemistry, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Petr Chocholouš
- Charles University, Faculty of Pharmacy in Hradec Králové, Department of Analytical Chemistry, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Dalibor Šatínský
- Charles University, Faculty of Pharmacy in Hradec Králové, Department of Analytical Chemistry, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic.
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Mamun A, Sabantina L. Electrospun Magnetic Nanofiber Mats for Magnetic Hyperthermia in Cancer Treatment Applications-Technology, Mechanism, and Materials. Polymers (Basel) 2023; 15:1902. [PMID: 37112049 PMCID: PMC10143376 DOI: 10.3390/polym15081902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
The number of cancer patients is rapidly increasing worldwide. Among the leading causes of human death, cancer can be regarded as one of the major threats to humans. Although many new cancer treatment procedures such as chemotherapy, radiotherapy, and surgical methods are nowadays being developed and used for testing purposes, results show limited efficiency and high toxicity, even if they have the potential to damage cancer cells in the process. In contrast, magnetic hyperthermia is a field that originated from the use of magnetic nanomaterials, which, due to their magnetic properties and other characteristics, are used in many clinical trials as one of the solutions for cancer treatment. Magnetic nanomaterials can increase the temperature of nanoparticles located in tumor tissue by applying an alternating magnetic field. A very simple, inexpensive, and environmentally friendly method is the fabrication of various types of functional nanostructures by adding magnetic additives to the spinning solution in the electrospinning process, which can overcome the limitations of this challenging treatment process. Here, we review recently developed electrospun magnetic nanofiber mats and magnetic nanomaterials that support magnetic hyperthermia therapy, targeted drug delivery, diagnostic and therapeutic tools, and techniques for cancer treatment.
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Affiliation(s)
- Al Mamun
- Junior Research Group “Nanomaterials”, Faculty of Engineering and Mathematics, Bielefeld University of Applied Sciences, 33619 Bielefeld, Germany
| | - Lilia Sabantina
- Faculty of Clothing Technology and Garment Engineering, HTW-Berlin University of Applied Sciences, 12459 Berlin, Germany
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Iftikhar FJ, Shah A, Wali Q, Kokab T. Advancements in Nanofiber-Based Electrochemical Biosensors for Diagnostic Applications. BIOSENSORS 2023; 13:bios13040416. [PMID: 37185491 PMCID: PMC10136113 DOI: 10.3390/bios13040416] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 05/17/2023]
Abstract
Biosensors are analytical tools that can be used as simple, real-time, and effective devices in clinical diagnosis, food analysis, and environmental monitoring. Nanoscale functional materials possess unique properties such as a large surface-to-volume ratio, making them useful for biomedical diagnostic purposes. Nanoengineering has resulted in the increased use of nanoscale functional materials in biosensors. Various types of nanostructures i.e., 0D, 1D, 2D, and 3D, have been intensively employed to enhance biosensor selectivity, limit of detection, sensitivity, and speed of response time to display results. In particular, carbon nanotubes and nanofibers have been extensively employed in electrochemical biosensors, which have become an interdisciplinary frontier between material science and viral disease detection. This review provides an overview of the current research activities in nanofiber-based electrochemical biosensors for diagnostic purposes. The clinical applications of these nanobiosensors are also highlighted, along with a discussion of the future directions for these materials in diagnostics. The aim of this review is to stimulate a broader interest in developing nanofiber-based electrochemical biosensors and improving their applications in disease diagnosis. In this review, we summarize some of the most recent advances achieved in point of care (PoC) electrochemical biosensor applications, focusing on new materials and modifiers enabling biorecognition that have led to improved sensitivity, specificity, stability, and response time.
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Affiliation(s)
- Faiza Jan Iftikhar
- School of Applied Sciences & Humanities, National University of Technology, Islamabad 44000, Pakistan
| | - Afzal Shah
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Qamar Wali
- School of Applied Sciences & Humanities, National University of Technology, Islamabad 44000, Pakistan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Tayyaba Kokab
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
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12
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Liška V, Kubát P, Křtěnová P, Mosinger J. Magnetically Separable Photoactive Nanofiber Membranes for Photocatalytic and Antibacterial Applications. ACS OMEGA 2022; 7:47986-47995. [PMID: 36591212 PMCID: PMC9798731 DOI: 10.1021/acsomega.2c05935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/17/2022] [Indexed: 06/17/2023]
Abstract
We have prepared photoactive multifunctional nanofiber membranes via the simple electrospinning method. The antibacterial and photocatalytic properties of these materials are based on the generation of singlet oxygen formed by processes photosensitized by the tetraphenylporphyrin encapsulated in the nanofibers. The addition of magnetic features in the form of magnetic maghemite (γ-Fe2O3) nanoparticles stabilized by polyethylenimine enables additional functionalities, namely, the postirradiation formation of hydrogen peroxide and improved photothermal properties. This hybrid material allows for remote manipulation by a magnetic field, even in hazardous and/or highly microbial contaminant environments.
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Affiliation(s)
- Vojtěch Liška
- Faculty
of Science, Charles University, 2030 Hlavova, 128 43 Prague 2, Czech Republic
| | - Pavel Kubát
- J.
Heyrovský Institute of Physical Chemistry of the Czech Academy
of Sciences, v.v.i., Dolejškova 3, 182 23 Prague 8, Czech Republic
| | - Petra Křtěnová
- Faculty
of Science, Charles University, 2030 Hlavova, 128 43 Prague 2, Czech Republic
| | - Jiří Mosinger
- Faculty
of Science, Charles University, 2030 Hlavova, 128 43 Prague 2, Czech Republic
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13
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Graphene Nanoplatelets-Based Textured Polymeric Fibrous Fabrics for the Next-Generation Devices. Polymers (Basel) 2022; 14:polym14245415. [PMID: 36559782 PMCID: PMC9785025 DOI: 10.3390/polym14245415] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/02/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
Graphene is a 2D crystal composed of carbon atoms in a hexagonal arrangement. From their isolation, graphene nanoplatelets (nCD) have revolutionized material science due to their unique properties, and, nowadays, there are countless applications, including drug delivery, biosensors, energy storage, and tissue engineering. Within this work, nCD were combined with PLA, a widely used and clinically relevant thermoplastic polymer, to produce advanced composite texturized electrospun fabric for the next-generation devices. The electrospinning manufacturing process was set-up by virtue of a proper characterization of the composite raw material and its solution. From the morphological point of view, the nCD addition permitted the reduction of the fiber diameter while the texture allowed more aligned fibers. After that, mechanical features of fabrics were tested at RT and upon heating (40 °C, 69 °C), showing the reinforcement action of nCD mainly in the texturized mats at 40 °C. Finally, mats' degradation in simulated physiological fluid was minimal up to 30 d, even if composite mats revealed excellent fluid-handling capability. Moreover, no toxic impurities and degradation products were pointed out during the incubation. This work gains insight on the effects of the combination of composite carbon-based material and texturized fibers to reach highly performing fabrics.
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14
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Patel PR, Gundloori RVN. A review on electrospun nanofibers for multiple biomedical applications. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Pratikshkumar R. Patel
- Polymer Science and Engineering CSIR‐National Chemical Laboratory Pune India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Rathna Venkata Naga Gundloori
- Polymer Science and Engineering CSIR‐National Chemical Laboratory Pune India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
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15
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Nachev N, Spasova M, Manolova N, Rashkov I, Naydenov M. Electrospun Polymer Materials with Fungicidal Activity: A Review. Molecules 2022; 27:5738. [PMID: 36080503 PMCID: PMC9457848 DOI: 10.3390/molecules27175738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022] Open
Abstract
In recent years, there has been special interest in innovative technologies such as polymer melt or solution electrospinning, electrospraying, centrifugal electrospinning, coaxial electrospinning, and others. Applying these electrokinetic methods, micro- or nanofibrous materials with high specific surface area, high porosity, and various designs for diverse applications could be created. By using these techniques it is possible to obtain fibrous materials from both synthetic and natural biocompatible and biodegradable polymers, harmless to the environment. Incorporation of low-molecular substances with biological activity (e.g., antimicrobial, antifungal) is easily feasible. Moreover, biocontrol agents, able to suppress the development and growth of plant pathogens, have been embedded in the fibrous materials as well. The application of such nanotechnologies for the creation of plant protection products is an extremely promising new direction. This review emphasizes the recent progress in the development of electrospun fungicidal dressings and their potential to be applied in modern agriculture.
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Affiliation(s)
- Nasko Nachev
- Laboratory of Bioactive Polymers (LBAP), Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St., bl. 103A, BG-1113 Sofia, Bulgaria
| | - Mariya Spasova
- Laboratory of Bioactive Polymers (LBAP), Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St., bl. 103A, BG-1113 Sofia, Bulgaria
| | - Nevena Manolova
- Laboratory of Bioactive Polymers (LBAP), Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St., bl. 103A, BG-1113 Sofia, Bulgaria
| | - Iliya Rashkov
- Laboratory of Bioactive Polymers (LBAP), Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St., bl. 103A, BG-1113 Sofia, Bulgaria
| | - Mladen Naydenov
- Department of Microbiology, Agricultural University, BG-4000 Plovdiv, Bulgaria
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16
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Yin WJ, Zhang JX, Wang H, Wang Y, Zeng X, Xu ZL, Yang JY, Xiao ZL, Hammock BD, Wen P. A highly sensitive electrochemical immunosensor based on electrospun nanocomposite for the detection of parathion. Food Chem 2022; 404:134371. [DOI: 10.1016/j.foodchem.2022.134371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/09/2022] [Accepted: 09/19/2022] [Indexed: 10/14/2022]
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17
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Electrospinning of Natural Biopolymers for Innovative Food Applications: A Review. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-022-02896-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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18
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Nanostructured Materials for Water Purification: Adsorption of Heavy Metal Ions and Organic Dyes. Polymers (Basel) 2022; 14:polym14112183. [PMID: 35683856 PMCID: PMC9182857 DOI: 10.3390/polym14112183] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 12/19/2022] Open
Abstract
Chemical water pollution poses a threat to human beings and ecological systems. The purification of water to remove toxic organic and inorganic pollutants is essential for a safe society and a clean environment. Adsorption-based water treatment is considered one of the most effective and economic technologies designed to remove toxic substances. In this article, we review the recent progress in the field of nanostructured materials used for water purification, particularly those used for the adsorption of heavy metal ions and organic dyes. This review includes a range of nanostructured materials such as metal-based nanoparticles, polymer-based nanomaterials, carbon nanomaterials, bio-mass materials, and other types of nanostructured materials. Finally, the current challenges in the fields of adsorption of toxic materials using nanostructured materials are briefly discussed.
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19
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Kasaai MR. Bio-nano-composites containing at least two components, chitosan and zein, for food packaging applications: A review of the nano-composites in comparison with the conventional counterparts. Carbohydr Polym 2022; 280:119027. [PMID: 35027129 DOI: 10.1016/j.carbpol.2021.119027] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/29/2021] [Accepted: 12/15/2021] [Indexed: 11/25/2022]
Abstract
Both chitosan and zein are safe industrial biopolymers for the 21St century, respecting environmentally concerns. This review mainly is focused on preparations, properties and applications of a promising food packaging material, chitosan-zein nano-composite (NC). The properties and applications of the NCs were compared with their conventional counterparts. The structure of chitosan- zein composites was proposed. A procedure for preparations of conventional and nano zein-chitosan composites was proposed. The sizes of composites depend on molecular weight of chitosan and zein, the ratio of chitosan/zein, and pH of chitosan-zein solutions. The NCs had superior mechanical, antimicrobial, antioxidant, and barrier properties compared with the conventional ones. The properties of the composites were further improved by introduction of bioactive compounds, fillers or plasticizers. The composites have potential to employ as coatings/packaging materials to protect mushroom, meats, and fresh fruits and vegetables.
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Affiliation(s)
- Mohammad Reza Kasaai
- Department of Food Science and Technology, Sari Agricultural Sciences and Natural Resources University, Khazar Abad Road, Km. 9, P.O. Box, 578, Sari, Mazandaran, Iran.
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20
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Hamnca S, Chamier J, Grant S, Glass T, Iwuoha E, Baker P. Spectroscopy, Morphology, and Electrochemistry of Electrospun Polyamic Acid Nanofibers. Front Chem 2022; 9:782813. [PMID: 35252124 PMCID: PMC8889449 DOI: 10.3389/fchem.2021.782813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/16/2021] [Indexed: 11/30/2022] Open
Abstract
Polyamic acid (PAA) nanofibers produced by using the electrospinning method were fully characterized in terms of morphology and spectroscopy. A PAA nanofiber–modified screen-printed carbon electrode was applied to the detection of selected sulfonamides by following an electroanalytical protocol. The polyamic acid (PAA) nanofibers were characterized using Fourier transform infrared (FTIR) spectroscopy to study the integrity of polyamic acid functional groups as nanofibers by comparing them to chemically synthesized polyamic acid. A scanning electron microscope (SEM) was used to confirm the morphology of the produced nanofibers and 3D arrangement at the electrode interface. The Brunauer–Emmett–Teller (BET) method was used to determine the surface area of the nanofibers. Atomic force microscopy (AFM) was used to study the porosity and surface roughness of the nanofibers. Electrochemical evaluation based on diffusion-controlled kinetics was applied to determine the number of electrons transferred in the system, the surface concentration of the deposited PAA thin film (2.14 × 10−6 mol/cm2), and the diffusion coefficient (De) for the PAA nanofiber–modified screen-printed carbon electrode (9.43 × 10−7 cm−2/s). The reported LODs for sulfadiazine and sulfamethazine detection are consistent with requirements for trace-level monitoring by early warning diagnostic systems.
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Affiliation(s)
- Siyabulela Hamnca
- SensorLab, Chemistry Department, University of the Western Cape, Bellville, South Africa
- *Correspondence: Siyabulela Hamnca, ; Priscilla Baker,
| | - Jessica Chamier
- HySA Catalysis, Department of Chemical Engineering, University of Cape Town, Rondebosch, Cape Town, South Africa
| | - Sheila Grant
- Chemistry Department, University of Missouri, Columbia, MO, United states
| | - Timothy Glass
- Chemistry Department, University of Missouri, Columbia, MO, United states
| | - Emmanuel Iwuoha
- SensorLab, Chemistry Department, University of the Western Cape, Bellville, South Africa
| | - Priscilla Baker
- SensorLab, Chemistry Department, University of the Western Cape, Bellville, South Africa
- *Correspondence: Siyabulela Hamnca, ; Priscilla Baker,
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21
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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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22
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Coşkuner Filiz B, Basaran Elalmis Y, Bektaş İS, Kantürk Figen A. Fabrication of stable electrospun blended chitosan-poly(vinyl alcohol) nanofibers for designing naked-eye colorimetric glucose biosensor based on GOx/HRP. Int J Biol Macromol 2021; 192:999-1012. [PMID: 34655587 DOI: 10.1016/j.ijbiomac.2021.10.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/14/2021] [Accepted: 10/07/2021] [Indexed: 02/06/2023]
Abstract
In this study, designing of a stable electrospun blended chitosan (CS)-poly(vinyl alcohol) (PVA) nanofibers for colorimetric glucose biosensing in an aqueous medium was investigated. CS and PVA solutions were blended to acquire an optimum content (CS/PVA:1/4) and electrospunned to obtain uniform and bead-free CS/PVA nanofiber structures following the optimization of the electrospinning parameters (33 kV, 20 cm, and 1.2 ml.h-1). Crosslinking process applied subsequently provided mechanically and chemically stable nanofibers with an average diameter of 378 nm. The morphological homogeneity, high fluid absorption ability (>%50), thermal (<230 °C) and morphological stability, surface hydrophilicity and degrability properties of cross-linked CS/PVA nanofiber demonstrated their great potential to be developed as an eye-readable strip for biosensing applications. The glucose oxidase (GOx) and horseradish peroxidase (HRP) was immobilized by physical adsorption on the cross-linked CS/PVA nanofiber. The glucose assay analysis by ultraviolet-visible (UV-Vis) spectrophotometry using the same enzymatic system of the proposed glucose strips in form of absorbance versus concentration plot was found to be linear over a glucose concentration range of 2.7 to 13.8 mM. The prepared naked eye colorimetric glucose detection strips, with lower detection limit of 2.7 mM, demonstrated dramatic color change from white (0 mM) to brownish-orange (13.8 mM). The developed cross-linked CS/PVA nanofiber strips, prepared by electrospinnig procedure, could be easily adapted to a color map, as an alternative material for glucose sensing. Design of a practical, low-cost, and environmental-friendly bio-based CS/PVA testing strips for eye readable detection were presented and suggested as an applicable medium for a wide range of glucose concentrations.
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Affiliation(s)
- Bilge Coşkuner Filiz
- Yıldız Technical University, Metallurgy and Materials Engineering Department, İstanbul 34210, Turkey.
| | | | - İrem Serra Bektaş
- Yıldız Technical University, Chemical Engineering Department, İstanbul 34210, Turkey
| | - Aysel Kantürk Figen
- Yıldız Technical University, Chemical Engineering Department, İstanbul 34210, Turkey
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23
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Mohammadreza M, Iraji P, Mahmoudi Z, Rahiman N, Akhgari A. Design and physico-mechanical evaluation of fast-dissolving valsartan polymeric drug delivery system by electrospinning method. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:1683-1694. [PMID: 35432803 PMCID: PMC8976902 DOI: 10.22038/ijbms.2021.58713.13041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 11/27/2021] [Indexed: 12/16/2022]
Abstract
Objective(s): Chronic hypertension is a pervasive morbidity and the leading risk factor for cardiovascular diseases. Valsartan, as an antihypertensive drug, has low solubility and bioavailability. The application of orodispersible films of valsartan is suggested to improve its bioavailability. With this dosage form, the drug dissolves rapidly in saliva and is absorbed readily without the need for water. Materials and Methods: For this purpose, valsartan with polyvinylpyrrolidone (PVPK90) polymer were exposed to the electrospinning technique to construct orodispersible nanofilms. The optimum obtained nanofiber, selected by Design-Expert software, was evaluated in terms of mechanical strength for evaluation of the flexibility and fragility of the nanofibers. The drug content, wettability, and disintegration tests, as well as the release assessment of the nanofibers, were performed followed by DSC, FTIR, and XRD assays. Results: The uniform nanofibers’ diameter increased with the increase of the polymer concentration. The tensile test verified a stress reduction at the yield point as the polymer concentration increased. Then, the 492 nm nanofiber with above 90% drug encapsulation, containing 8% polymer and 18% valsartan made below 9 kV, was selected. The wetting time was less than 30 sec and over 90% of the drug was released in less than 2 min. The XRD and DSC studies also confirmed higher valsartan solubility due to the construction alternations in nanofibers. The FTIR examination indicated the chemical bonding between the drug and the polymer. Conclusion: The selected nanofibers of valsartan present the essential drug feature and acceptable drug release for further investigations.
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Affiliation(s)
- Mohammadreza Mohammadreza
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Equally Contributed as First Author
| | - Pariya Iraji
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Equally Contributed as First Author
| | - Zahra Mahmoudi
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Niloufar Rahiman
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abbas Akhgari
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Er S, Laraib U, Arshad R, Sargazi S, Rahdar A, Pandey S, Thakur VK, Díez-Pascual AM. Amino Acids, Peptides, and Proteins: Implications for Nanotechnological Applications in Biosensing and Drug/Gene Delivery. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3002. [PMID: 34835766 PMCID: PMC8622868 DOI: 10.3390/nano11113002] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/31/2021] [Accepted: 11/03/2021] [Indexed: 12/14/2022]
Abstract
Over various scientific fields in biochemistry, amino acids have been highlighted in research works. Protein, peptide- and amino acid-based drug delivery systems have proficiently transformed nanotechnology via immense flexibility in their features for attaching various drug molecules and biodegradable polymers. In this regard, novel nanostructures including carbon nanotubes, electrospun carbon nanofibers, gold nanoislands, and metal-based nanoparticles have been introduced as nanosensors for accurate detection of these organic compounds. These nanostructures can bind the biological receptor to the sensor surface and increase the surface area of the working electrode, significantly enhancing the biosensor performance. Interestingly, protein-based nanocarriers have also emerged as useful drug and gene delivery platforms. This is important since, despite recent advancements, there are still biological barriers and other obstacles limiting gene and drug delivery efficacy. Currently available strategies for gene therapy are not cost-effective, and they do not deliver the genetic cargo effectively to target sites. With rapid advancements in nanotechnology, novel gene delivery systems are introduced as nonviral vectors such as protein, peptide, and amino acid-based nanostructures. These nano-based delivery platforms can be tailored into functional transformation using proteins and peptides ligands based nanocarriers, usually overexpressed in the specified diseases. The purpose of this review is to shed light on traditional and nanotechnology-based methods to detect amino acids, peptides, and proteins. Furthermore, new insights into the potential of amino protein-based nanoassemblies for targeted drug delivery or gene transfer are presented.
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Affiliation(s)
- Simge Er
- Biochemistry Department, Faculty of Science, Ege University, Bornova-Izmir 35100, Turkey;
| | - Ushna Laraib
- Department of Pharmacy, College of Pharmacy, University of Sargodha, Sargodha 40100, Pakistan;
| | - Rabia Arshad
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 9816743463, Iran;
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran
| | - Sadanand Pandey
- Department of Chemistry, College of Natural Science, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Korea;
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Centre, Scotland’s Rural College (SRUC), Kings Buildings, Edinburgh EH9 3JG, UK;
- School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India
| | - Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
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25
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Vandghanooni S, Sanaat Z, Barar J, Adibkia K, Eskandani M, Omidi Y. Recent advances in aptamer-based nanosystems and microfluidics devices for the detection of ovarian cancer biomarkers. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116343] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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26
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Aldea A, Leote RJB, Matei E, Evanghelidis A, Enculescu I, Diculescu VC. Gold coated electrospun polymeric fibres as new electrode platform for glucose oxidase immobilization. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106108] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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27
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Antibody- and nucleic acid-based lateral flow immunoassay for Listeria monocytogenes detection. Anal Bioanal Chem 2021; 413:4161-4180. [PMID: 34041576 DOI: 10.1007/s00216-021-03402-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/30/2021] [Accepted: 05/10/2021] [Indexed: 01/02/2023]
Abstract
Listeria monocytogenes is an invasive opportunistic foodborne pathogen and its routine surveillance is critical for protecting the food supply and public health. The traditional detection methods are time-consuming and require trained personnel. Lateral flow immunoassay (LFIA), on the other hand, is an easy-to-perform, rapid point-of-care test and has been widely used as an inexpensive surveillance tool. In recent times, nucleic acid-based lateral flow immunoassays (NALFIA) are also developed to improve sensitivity and specificity. A significant improvement in lateral flow-based assays has been reported in recent years, especially the ligands (antibodies, nucleic acids, aptamers, bacteriophage), labeling molecules, and overall assay configurations to improve detection sensitivity, specificity, and automated interpretation of results. In most commercial applications, LFIA has been used with enriched food/environmental samples to ensure detection of live cells thus prolonging the assay time to 24-48 h; however, with the recent improvement in LFIA sensitivity, results can be obtained in less than 8 h with shortened and improved enrichment practices. Incorporation of surface-enhanced Raman spectroscopy and/or immunomagnetic separation could significantly improve LFIA sensitivity for near-real-time point-of-care detection of L. monocytogenes for food safety and public health applications.
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Tsiamis A, Diaz Sanchez F, Hartikainen N, Chung M, Mitra S, Lim YC, Tan HL, Radacsi N. Graphene Wrapping of Electrospun Nanofibers for Enhanced Electrochemical Sensing. ACS OMEGA 2021; 6:10568-10577. [PMID: 34056211 PMCID: PMC8153741 DOI: 10.1021/acsomega.0c05823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/16/2021] [Indexed: 05/28/2023]
Abstract
This paper presents a scalable method of developing ultrasensitive electrochemical biosensors. This is achieved by maximizing sensor conductivity through graphene wrapping of carbonized electrospun nanofibers. The effectiveness of the graphene wrap was determined visually by scanning electron microscopy and chemically by Fourier transform infrared spectroscopy, Raman spectroscopy, and X-ray diffraction. The sensing performance of different electrode samples was electrochemically characterized using cyclic voltammetry and electrochemical impedance spectroscopy, with the graphene-wrapped carbonized nanofiber electrode showing significantly improved performance. The graphene-wrapped carbonized nanofibers exhibited a relative conductivity of ∼14 times and an electroactive surface area of ∼2 times greater compared to the bare screen-printed carbon electrode despite experiencing inhibitive effects from the carbon glue used to bind the samples to the electrode. The results indicate potential for a highly conductive, inert sensing platform.
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Affiliation(s)
- Andreas Tsiamis
- School
of Engineering, Institute for Integrated Micro and Nano Systems, The University of Edinburgh, Scottish Microelectronics Centre, Edinburgh EH9 3FF, U.K.
| | - Francisco Diaz Sanchez
- School
of Engineering, Institute for Materials and Processes, The University of Edinburgh, King’s Buildings, Mayfield
Road, Edinburgh EH9 3JL, U.K.
| | - Niklas Hartikainen
- School
of Engineering, Institute for Materials and Processes, The University of Edinburgh, King’s Buildings, Mayfield
Road, Edinburgh EH9 3JL, U.K.
| | - Michael Chung
- School
of Engineering, Institute for Materials and Processes, The University of Edinburgh, King’s Buildings, Mayfield
Road, Edinburgh EH9 3JL, U.K.
| | - Srinjoy Mitra
- School
of Engineering, Institute for Integrated Micro and Nano Systems, The University of Edinburgh, Scottish Microelectronics Centre, Edinburgh EH9 3FF, U.K.
| | - Ying Chin Lim
- Faculty
of Applied Sciences, Universiti Teknologi
MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Huey Ling Tan
- Faculty
of Chemical Engineering, Universiti Teknologi
MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Norbert Radacsi
- School
of Engineering, Institute for Materials and Processes, The University of Edinburgh, King’s Buildings, Mayfield
Road, Edinburgh EH9 3JL, U.K.
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Flores-Hernandez DR, Santamaria-Garcia VJ, Melchor-Martínez EM, Sosa-Hernández JE, Parra-Saldívar R, Bonilla-Rios J. Paper and Other Fibrous Materials-A Complete Platform for Biosensing Applications. BIOSENSORS 2021; 11:128. [PMID: 33919464 PMCID: PMC8143474 DOI: 10.3390/bios11050128] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/02/2021] [Accepted: 04/06/2021] [Indexed: 01/22/2023]
Abstract
Paper-based analytical devices (PADs) and Electrospun Fiber-Based Biosensors (EFBs) have aroused the interest of the academy and industry due to their affordability, sensitivity, ease of use, robustness, being equipment-free, and deliverability to end-users. These features make them suitable to face the need for point-of-care (POC) diagnostics, monitoring, environmental, and quality food control applications. Our work introduces new and experienced researchers in the field to a practical guide for fibrous-based biosensors fabrication with insight into the chemical and physical interaction of fibrous materials with a wide variety of materials for functionalization and biofunctionalization purposes. This research also allows readers to compare classical and novel materials, fabrication techniques, immobilization methods, signal transduction, and readout. Moreover, the examined classical and alternative mathematical models provide a powerful tool for bioanalytical device designing for the multiple steps required in biosensing platforms. Finally, we aimed this research to comprise the current state of PADs and EFBs research and their future direction to offer the reader a full insight on this topic.
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Affiliation(s)
| | | | | | | | | | - Jaime Bonilla-Rios
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Avenida Eugenio Garza Sada 2501, Monterrey 64849, NL, Mexico; (D.R.F.-H.); (V.J.S.-G.); (E.M.M.-M.); (J.E.S.-H.); (R.P.-S.)
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Robinson AJ, Pérez-Nava A, Ali SC, González-Campos JB, Holloway JL, Cosgriff-Hernandez EM. Comparative Analysis of Fiber Alignment Methods in Electrospinning. MATTER 2021; 4:821-844. [PMID: 35757372 PMCID: PMC9222234 DOI: 10.1016/j.matt.2020.12.022] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Fabrication of anisotropic materials is highly desirable in designing biomaterials and tissue engineered constructs. Electrospinning has been broadly adopted due to its versatility in producing non-woven fibrous meshes with tunable fiber diameters (from 10 nanometers to 10 microns), microarchitectures, and construct geometries. A myriad of approaches have been utilized to control fiber alignment of electrospun materials to achieve complex microarchitectures, improve mechanical properties, and provide topographical cellular cues. This review provides a comparative analysis of the techniques developed to generate fiber alignment in electrospun materials. A description of the underlying mechanisms that drive fiber alignment, setup variations for each technique, and the resulting impact on the aligned microarchitecture is provided. A critical analysis of the advantages and limitations of each approach is provided to guide researchers in method selection. Finally, future perspectives of advanced electrospinning methodologies are discussed in terms of developing a scalable method with precise control of microarchitecture.
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Affiliation(s)
- Andrew J. Robinson
- Department of Biomedical Engineering, University of Texas, Austin, Texas, 78712, United States
| | - Alejandra Pérez-Nava
- Biological and Chemical Research Institute, Universidad Michoacana de San Nicolás, de Hidalgo, Morelia, 58030, Mexico
| | - Shan C. Ali
- Department of Biomedical Engineering, University of Texas, Austin, Texas, 78712, United States
| | - J. Betzabe González-Campos
- Biological and Chemical Research Institute, Universidad Michoacana de San Nicolás, de Hidalgo, Morelia, 58030, Mexico
| | - Julianne L. Holloway
- Chemical Engineering, School for Engineering of Matter, Transport and Energy,Arizona State University, Tempe, 85287, Arizona, United States
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Tavakoli F, Ghasemikhah R, Shafiee H. Customizing the Protoscolicidal Activity by a Drug Delivery System: Application of Guar Gum in Electrospun Nanofibers. IRANIAN JOURNAL OF PARASITOLOGY 2021; 16:136-145. [PMID: 33786055 PMCID: PMC7988667 DOI: 10.18502/ijpa.v16i1.5532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background The present study aimed to control mebendazole drug release from ethyl cellulose nanofibers containing guar gum produced by Electrospinning Method (ESM) on mortality of hydatid cyst protoscoleces under laboratory conditions. Methods The study was conducted in Arak Islamic Azad University, 2019. After preparation of ethyl cellulose nanofibers containing guar gum with concentrations 10, 250, 50 and 500 ppm with ESM, the uniformity and fineness of nanofibers were investigated by electron microscope. By determining the absorption of nanofibers during 312 h via spectrophotometry method, the amount of drug release was obtained. Then, the mortality of live protoscoleces in-vitro with nanofibers made with different concentrations was studied during 13 days. Results Guar gum nanofiber with four concentrations of 10, 50, 250 and 500 ppm had 0.78512, 0.83729, 1.0098 and 1.0633 absorption respectively and showed drug release 42.09%, 39.95%, 33.05% and 30.96% after 312 hours. Therefore, the survival of protoscoleces in the presence of guar gum with four concentrations was zero after 3, 6, 11 and 13 days (P<0.05). Conclusion To produce nanofibers carrying the drug for research related to the treatment of hydatid cysts, the electrospinning technique can be considered as a reliable method.
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Affiliation(s)
- Fatemeh Tavakoli
- Department of Chemistry, Faculty of Science, Arak Branch, Islamic Azad University, Arak, Iran
| | - Reza Ghasemikhah
- Department of Parasitology & Mycology, School of Medicine, Arak University of Medical Sciences, Arak. Iran
| | - Hadi Shafiee
- Department of Chemistry, Faculty of Science, Arak Branch, Islamic Azad University, Arak, Iran.,Department of Parasitology & Mycology, School of Medicine, Arak University of Medical Sciences, Arak. Iran
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Electrochemical Detection of Bisphenol A by Tyrosinase Immobilized on Electrospun Nanofibers Decorated with Gold Nanoparticles. ELECTROCHEM 2021. [DOI: 10.3390/electrochem2010004] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Bisphenol A (BPA) is an endocrine-disrupting chemical (EDC) employed in industrial processes that causes adverse effects on the environment and human health. Sensitive and inexpensive methods to detect BPA are therefore needed. In this paper, we describe an electrochemical biosensor for detecting low levels of BPA using polymeric electrospun nanofibers of polyamide 6 (PA6) and poly(allylamine hydrochloride) (PAH) decorated with gold nanoparticles (AuNPs), namely, PA6/PAH@AuNPs, which were deposited onto a fluorine-doped tin oxide (FTO) substrate. The hybrid layer was excellent for the immobilization of tyrosinase (Tyr), which allowed an amperometric detection of BPA with a limit of detection of 0.011 μM in the concentration range from 0.05 to 20 μM. Detection was also possible in real water samples with recoveries in the range of 92–105%. The improved sensing performance is attributed to the combined effect of the large surface area and porosity of PA6/PAH nanofibers, the catalytic activity of AuNPs, and oxidoreductase ability of Tyr. These results provide a route for novel biosensing architectures to monitor BPA and other EDCs in water resources.
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Effects of Technical Textiles and Synthetic Nanofibers on Environmental Pollution. Polymers (Basel) 2021; 13:polym13010155. [PMID: 33401538 PMCID: PMC7794755 DOI: 10.3390/polym13010155] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 12/29/2020] [Accepted: 12/30/2020] [Indexed: 01/20/2023] Open
Abstract
Textile manufacturing has been one of the highest polluting industrial sectors. It represents about one-fifth of worldwide industrial water pollution. It uses a huge number of chemicals, numerous of which are carcinogenic. The textile industry releases many harmful chemicals, such as heavy metals and formaldehyde, into water streams and soil, as well as toxic gases such as suspended particulate matter and sulphur dioxide to air. These hazardous wastes, may cause diseases and severe problems to human health such as respiratory and heart diseases. Pollution caused by the worldwide textile manufacturing units results in unimaginable harm, such as textile polymers, auxiliaries and dyes, to the environment. This review presents a systematic and comprehensive survey of all recently produced high-performance textiles; and will therefore assist a deeper understanding of technical textiles providing a bridge between manufacturer and end-user. Moreover, the achievements in advanced applications of textile material will be extensively studied. Many classes of technical textiles were proved in a variety of applications of different fields. The introductory material- and process-correlated identifications regarding raw materials and their transformation into yarns, fibers and fabrics followed by dyeing, printing, finishing of technical textiles and their further processing will be explored. Thus, the environmental impacts of technical textiles on soil, air and water are discussed.
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34
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Idumah CI, Ezeani E, Nwuzor I. A review: advancements in conductive polymers nanocomposites. POLYM-PLAST TECH MAT 2020. [DOI: 10.1080/25740881.2020.1850783] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Christopher Igwe Idumah
- Nnamdi Azikiwe University, Faculty of Engineering, Department of Polymer and Textile Engineering, Awka, Nigeria
- EnPro, Universiti Teknologi Malaysia
| | - E.O Ezeani
- Nnamdi Azikiwe University, Faculty of Engineering, Department of Polymer and Textile Engineering, Awka, Nigeria
| | - I.C Nwuzor
- Nnamdi Azikiwe University, Faculty of Engineering, Department of Polymer and Textile Engineering, Awka, Nigeria
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35
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Bacterial Biofilm Formation Using PCL/Curcumin Electrospun Fibers and Its Potential Use for Biotechnological Applications. MATERIALS 2020; 13:ma13235556. [PMID: 33291216 PMCID: PMC7729789 DOI: 10.3390/ma13235556] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/20/2020] [Accepted: 10/27/2020] [Indexed: 01/19/2023]
Abstract
Electrospun nanofibers are used for many applications due to their large surface area, mechanical properties, and bioactivity. Bacterial biofilms are the cause of numerous problems in biomedical devices and in the food industry. On the other hand, these bacterial biofilms can produce interesting metabolites. Hence, the objective of this study is to evaluate the efficiency of poly (Ɛ- caprolactone)/Curcumin (PCL/CUR) nanofibers to promote bacterial biofilm formation. These scaffolds were characterized by scanning electron microscopy (SEM), which showed homogeneous fibers with diameters between 441-557 nm; thermogravimetric analysis and differential scanning calorimetry (TGA and DSC) demonstrated high temperature resilience with degradation temperatures over >350 °C; FTIR and 1H-NMR serve as evidence of CUR incorporation in the PCL fibers. PCL/CUR scaffolds successfully promoted the formation of Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa biofilms. These results will be valuable in the study of controlled harvesting of pathogenic biofilms as well as in metabolites production for biotechnological purposes.
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36
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Castillo-Henríquez L, Brenes-Acuña M, Castro-Rojas A, Cordero-Salmerón R, Lopretti-Correa M, Vega-Baudrit JR. Biosensors for the Detection of Bacterial and Viral Clinical Pathogens. SENSORS (BASEL, SWITZERLAND) 2020; 20:E6926. [PMID: 33291722 PMCID: PMC7730340 DOI: 10.3390/s20236926] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 01/09/2023]
Abstract
Biosensors are measurement devices that can sense several biomolecules, and are widely used for the detection of relevant clinical pathogens such as bacteria and viruses, showing outstanding results. Because of the latent existing risk of facing another pandemic like the one we are living through due to COVID-19, researchers are constantly looking forward to developing new technologies for diagnosis and treatment of infections caused by different bacteria and viruses. Regarding that, nanotechnology has improved biosensors' design and performance through the development of materials and nanoparticles that enhance their affinity, selectivity, and efficacy in detecting these pathogens, such as employing nanoparticles, graphene quantum dots, and electrospun nanofibers. Therefore, this work aims to present a comprehensive review that exposes how biosensors work in terms of bacterial and viral detection, and the nanotechnological features that are contributing to achieving a faster yet still efficient COVID-19 diagnosis at the point-of-care.
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Affiliation(s)
- Luis Castillo-Henríquez
- National Center for High Technology (CeNAT), National Laboratory of Nanotechnology (LANOTEC), San José 1174-1200, Costa Rica;
- Physical Chemistry Laboratory, Faculty of Pharmacy, University of Costa Rica, San José 11501-2060, Costa Rica
| | - Mariana Brenes-Acuña
- Chemistry School, National University of Costa Rica, Heredia 86-3000, Costa Rica; (M.B.-A.); (A.C.-R.); (R.C.-S.)
| | - Arianna Castro-Rojas
- Chemistry School, National University of Costa Rica, Heredia 86-3000, Costa Rica; (M.B.-A.); (A.C.-R.); (R.C.-S.)
| | - Rolando Cordero-Salmerón
- Chemistry School, National University of Costa Rica, Heredia 86-3000, Costa Rica; (M.B.-A.); (A.C.-R.); (R.C.-S.)
| | - Mary Lopretti-Correa
- Nuclear Research Center, Faculty of Science, Universidad de la República (UdelaR), Montevideo 11300, Uruguay;
| | - José Roberto Vega-Baudrit
- National Center for High Technology (CeNAT), National Laboratory of Nanotechnology (LANOTEC), San José 1174-1200, Costa Rica;
- Chemistry School, National University of Costa Rica, Heredia 86-3000, Costa Rica; (M.B.-A.); (A.C.-R.); (R.C.-S.)
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Moreira A, Lawson D, Onyekuru L, Dziemidowicz K, Angkawinitwong U, Costa PF, Radacsi N, Williams GR. Protein encapsulation by electrospinning and electrospraying. J Control Release 2020; 329:1172-1197. [PMID: 33127450 DOI: 10.1016/j.jconrel.2020.10.046] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 12/24/2022]
Abstract
Given the increasing interest in the use of peptide- and protein-based agents in therapeutic strategies, it is fundamental to develop delivery systems capable of preserving the biological activity of these molecules upon administration, and which can provide tuneable release profiles. Electrohydrodynamic (EHD) techniques, encompassing electrospinning and electrospraying, allow the generation of fibres and particles with high surface area-to-volume ratios, versatile architectures, and highly controllable release profiles. This review is focused on exploring the potential of different EHD methods (including blend, emulsion, and co-/multi-axial electrospinning and electrospraying) for the development of peptide and protein delivery systems. An overview of the principles of each technique is first presented, followed by a survey of the literature on the encapsulation of enzymes, growth factors, antibodies, hormones, and vaccine antigens using EHD approaches. The possibility for localised delivery using stimuli-responsive systems is also explored. Finally, the advantages and challenges with each EHD method are summarised, and the necessary steps for clinical translation and scaled-up production of electrospun and electrosprayed protein delivery systems are discussed.
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Affiliation(s)
| | - Dan Lawson
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK
| | - Lesley Onyekuru
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Karolina Dziemidowicz
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Ukrit Angkawinitwong
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Pedro F Costa
- BIOFABICS, Rua Alfredo Allen 455, 4200-135 Porto, Portugal.
| | - Norbert Radacsi
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK.
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
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Smith S, Goodge K, Delaney M, Struzyk A, Tansey N, Frey M. A Comprehensive Review of the Covalent Immobilization of Biomolecules onto Electrospun Nanofibers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2142. [PMID: 33121181 PMCID: PMC7692479 DOI: 10.3390/nano10112142] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 01/08/2023]
Abstract
Biomolecule immobilization has attracted the attention of various fields such as fine chemistry and biomedicine for their use in several applications such as wastewater, immunosensors, biofuels, et cetera. The performance of immobilized biomolecules depends on the substrate and the immobilization method utilized. Electrospun nanofibers act as an excellent substrate for immobilization due to their large surface area to volume ratio and interconnectivity. While biomolecules can be immobilized using adsorption and encapsulation, covalent immobilization offers a way to permanently fix the material to the fiber surface resulting in high efficiency, good specificity, and excellent stability. This review aims to highlight the various covalent immobilization techniques being utilized and their benefits and drawbacks. These methods typically fall into two categories: (1) direct immobilization and (2) use of crosslinkers. Direct immobilization techniques are usually simple and utilize the strong electrophilic functional groups on the nanofiber. While crosslinkers are used as an intermediary between the nanofiber substrate and the biomolecule, with some crosslinkers being present in the final product and others simply facilitating the reactions. We aim to provide an explanation of each immobilization technique, biomolecules commonly paired with said technique and the benefit of immobilization over the free biomolecule.
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Affiliation(s)
- Soshana Smith
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Katarina Goodge
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Michael Delaney
- Robert Frederick Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; (M.D.); (A.S.)
| | - Ariel Struzyk
- Robert Frederick Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; (M.D.); (A.S.)
| | - Nicole Tansey
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Margaret Frey
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
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39
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Application trends of nanofibers in analytical chemistry. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115992
expr 834212330 + 887677890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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40
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41
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The effect of montmorillonite functionalization on the performance of glucose biosensors based on composite montmorillonite/PAN nanofibers. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136484] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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42
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Sapountzi E, Chateaux JF, Lagarde F. Combining Electrospinning and Vapor-Phase Polymerization for the Production of Polyacrylonitrile/ Polypyrrole Core-Shell Nanofibers and Glucose Biosensor Application. Front Chem 2020; 8:678. [PMID: 32850678 PMCID: PMC7417620 DOI: 10.3389/fchem.2020.00678] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/30/2020] [Indexed: 12/25/2022] Open
Abstract
In this work, polyacrylonitrile (PAN) nanofiber mats coated with conductive polypyrrole layers were produced at the surface of gold electrodes by a two-step approach combining electrospinning and vapor phase polymerization. In the first step, smooth and uniform PAN fibers exhibiting an average diameter of 650 ± 10 nm were generated through electrospinning of 12 wt% PAN solutions. The electrospun PAN fibers were impregnated with iron(III)tosylate (FeTos), annealed at 70°C and used as a robust and stable template for the growth of a thin layer of conductive polymer by co-polymerizing pyrrole (Py) and pyrrole-3-carboyxylic acid (Py3COOH) vapors under nitrogen atmosphere. The carboxyl groups introduced in polypyrrole coatings enabled further covalent binding of a model enzyme, glucose oxidase. The effect of different parameters (concentration of FeTos into the immersion solution, time of polymerization, Py/Py3COOH molar ratio) on the PAN/PPy/PPy3COOH/GOx impedimetric biosensor response was investigated. In the best conditions tested (immersion of the PAN fibers into 20 wt% FeTos solution, polymerization time: 30 min, 1:2 Py/Py3COOH ratio), the biosensor response was linear in a wide range of glucose concentration (20 nM−2μM) and selective toward ascorbic and uric acids. A very low limit of detection (2 nM) compared to those already reported in the literature was achieved. This value enables the determination of glucose in human serum after a large dilution of the sample (normal concentrations: 3.6 mM−6.1 mM range).
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Affiliation(s)
- Eleni Sapountzi
- Univ Lyon, CNRS, Univ Claude Bernard Lyon 1, Institute of Analytical Sciences, Villeurbanne, France
| | - Jean-François Chateaux
- Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, Institut des Nanotechnologies de Lyon, Villeurbanne, France
| | - Florence Lagarde
- Univ Lyon, CNRS, Univ Claude Bernard Lyon 1, Institute of Analytical Sciences, Villeurbanne, France
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Chiesa E, Dorati R, Pisani S, Bruni G, Rizzi LG, Conti B, Modena T, Genta I. Graphene Nanoplatelets for the Development of Reinforced PLA-PCL Electrospun Fibers as the Next-Generation of Biomedical Mats. Polymers (Basel) 2020; 12:polym12061390. [PMID: 32575840 PMCID: PMC7362196 DOI: 10.3390/polym12061390] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/17/2020] [Accepted: 06/19/2020] [Indexed: 12/24/2022] Open
Abstract
Electrospun scaffolds made of nano- and micro-fibrous non-woven mats from biodegradable polymers have been intensely investigated in recent years. In this field, polymer-based materials are broadly used for biomedical applications since they can be managed in high scale, easily shaped, and chemically changed to tailor their specific biologic properties. Nonetheless polymeric materials can be reinforced with inorganic materials to produce a next-generation composite with improved properties. Herein, the role of graphene nanoplatelets (GNPs) on electrospun poly-l-lactide-co-poly-ε-caprolactone (PLA-PCL, 70:30 molar ratio) fibers was investigated. Microfibers of neat PLA-PCL and with different amounts of GNPs were produced by electrospinning and they were characterized for their physicochemical and biologic properties. Results showed that GNPs concentration notably affected the fibers morphology and diameters distribution, influenced PLA-PCL chain mobility in the crystallization process and tuned the mechanical and thermal properties of the electrospun matrices. GNPs were also liable of slowing down copolymer degradation rate in simulated physiological environment. However, no toxic impurities and degradation products were pointed out up to 60 d incubation. Furthermore, preliminary biologic tests proved the ability of the matrices to enhance fibroblast cells attachment and proliferation probably due to their unique 3D-interconnected structure.
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Affiliation(s)
- Enrica Chiesa
- Department of Drug Sciences, University of Pavia, V.le Taramelli 12—27100 Pavia, Italy; (E.C.); (R.D.); (B.C.); (T.M.)
| | - Rossella Dorati
- Department of Drug Sciences, University of Pavia, V.le Taramelli 12—27100 Pavia, Italy; (E.C.); (R.D.); (B.C.); (T.M.)
- Polymerix srl, V.le Taramelli 24—27100 Pavia, Italy
| | - Silvia Pisani
- Immunology and Transplantation Laboratory, Pedriatric Hematology Oncology Unit, Department of Maternal and Children’s Health, Fondazione IRCCS Policlinico S. Matteo—27100 Pavia, Italy;
| | - Giovanna Bruni
- Department of Chemistry, Physical Chemistry Section, University of Pavia, Via Taramelli 12/14, 27100 Pavia, PV, Italy;
| | - Laura G. Rizzi
- Directa Plus S.p.a., COMO NexT, Via Cavour, 2—22074 Lomazzo (CO), Italy;
| | - Bice Conti
- Department of Drug Sciences, University of Pavia, V.le Taramelli 12—27100 Pavia, Italy; (E.C.); (R.D.); (B.C.); (T.M.)
- Polymerix srl, V.le Taramelli 24—27100 Pavia, Italy
| | - Tiziana Modena
- Department of Drug Sciences, University of Pavia, V.le Taramelli 12—27100 Pavia, Italy; (E.C.); (R.D.); (B.C.); (T.M.)
- Polymerix srl, V.le Taramelli 24—27100 Pavia, Italy
| | - Ida Genta
- Department of Drug Sciences, University of Pavia, V.le Taramelli 12—27100 Pavia, Italy; (E.C.); (R.D.); (B.C.); (T.M.)
- Polymerix srl, V.le Taramelli 24—27100 Pavia, Italy
- Correspondence: ; Tel.: +39-0382987371
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Keighron JD, Wang Y, Cans AS. Electrochemistry of Single-Vesicle Events. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2020; 13:159-181. [PMID: 32151142 DOI: 10.1146/annurev-anchem-061417-010032] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Neuronal transmission relies on electrical signals and the transfer of chemical signals from one neuron to another. Chemical messages are transmitted from presynaptic neurons to neighboring neurons through the triggered fusion of neurotransmitter-filled vesicles with the cell plasma membrane. This process, known as exocytosis, involves the rapid release of neurotransmitter solutions that are detected with high affinity by the postsynaptic neuron. The type and number of neurotransmitters released and the frequency of vesicular events govern brain functions such as cognition, decision making, learning, and memory. Therefore, to understand neurotransmitters and neuronal function, analytical tools capable of quantitative and chemically selective detection of neurotransmitters with high spatiotemporal resolution are needed. Electrochemistry offers powerful techniques that are sufficiently rapid to allow for the detection of exocytosis activity and provides quantitative measurements of vesicle neurotransmitter content and neurotransmitter release from individual vesicle events. In this review, we provide an overview of the most commonly used electrochemical methods for monitoring single-vesicle events, including recent developments and what is needed for future research.
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Affiliation(s)
- Jacqueline D Keighron
- Department of Chemical and Biological Sciences, New York Institute of Technology, Old Westbury, New York 11568, USA
| | - Yuanmo Wang
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden;
| | - Ann-Sofie Cans
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden;
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Najem M, Nada AA, Weber M, Sayegh S, Razzouk A, Salameh C, Eid C, Bechelany M. Palladium/Carbon Nanofibers by Combining Atomic Layer Deposition and Electrospinning for Organic Pollutant Degradation. MATERIALS 2020; 13:ma13081947. [PMID: 32326154 PMCID: PMC7215890 DOI: 10.3390/ma13081947] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 11/23/2022]
Abstract
As organic dyes are a major source of pollution, it is important to develop novel and efficient heterogeneous catalysts with high activity for their degradation. In this work, two innovative techniques, atomic layer deposition and electrospinning, were used to prepare palladium nanoparticles (Pd NPs) supported on carbon nanofibers (CNFs). The sample morphology was investigated using scanning and transmission electron microscopy. This showed the presence of nanofibers of several micrometers in length and with a mean diameter of 200 nm. Moreover, the size of the highly dispersed Pd NPs was about 7 nm. X-ray photoelectron spectroscopy visually validated the inclusion of metallic Pd. The prepared nano-catalysts were then used to reduce methyl orange (MO) in the presence of sodium borohydride (NaBH4). The Freundlich isotherm model was the most suitable model to explain the adsorption equilibrium for MO onto the Pd/CNF catalysts. Using 5 mL MO dye-solution (0.0305 mM) and 1 mL NaBH4 (0.026 mM), a 98.9% of catalytic activity was achieved in 240 min by 0.01 g of the prepared nano-catalysts Pd/C (0.016 M). Finally, no loss of catalytic activity was observed when such catalysts were used again. These results represent a promising avenue for the degradation of organic pollutants and for heterogeneous catalysis.
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Affiliation(s)
- Melissa Najem
- Institut Européen des Membranes, IEM–UMR 5635, ENSCM, CNRS, University Montpellier, 34730 Montpellier, France; (M.N.); (A.A.N.); (M.W.); (S.S.); (C.S.)
| | - Amr A. Nada
- Institut Européen des Membranes, IEM–UMR 5635, ENSCM, CNRS, University Montpellier, 34730 Montpellier, France; (M.N.); (A.A.N.); (M.W.); (S.S.); (C.S.)
- Department of Analysis and Evaluation, Egyptian Petroleum Research Institute, Cairo, Nasr City P.B. 11727, Egypt
| | - Matthieu Weber
- Institut Européen des Membranes, IEM–UMR 5635, ENSCM, CNRS, University Montpellier, 34730 Montpellier, France; (M.N.); (A.A.N.); (M.W.); (S.S.); (C.S.)
| | - Syreina Sayegh
- Institut Européen des Membranes, IEM–UMR 5635, ENSCM, CNRS, University Montpellier, 34730 Montpellier, France; (M.N.); (A.A.N.); (M.W.); (S.S.); (C.S.)
- Laboratory of Chemical Analyses, Faculty of Sciences 2, Lebanese University, Fanar B.P. 90656, Lebanon;
| | - Antonio Razzouk
- Laboratory of Chemical Analyses, Faculty of Sciences 2, Lebanese University, Fanar B.P. 90656, Lebanon;
| | - Chrystelle Salameh
- Institut Européen des Membranes, IEM–UMR 5635, ENSCM, CNRS, University Montpellier, 34730 Montpellier, France; (M.N.); (A.A.N.); (M.W.); (S.S.); (C.S.)
| | - Cynthia Eid
- EC2M, Faculty of Science 2, Fanar Campus, Lebanese University, Fanar B.P. 90656, Lebanon;
| | - Mikhael Bechelany
- Institut Européen des Membranes, IEM–UMR 5635, ENSCM, CNRS, University Montpellier, 34730 Montpellier, France; (M.N.); (A.A.N.); (M.W.); (S.S.); (C.S.)
- Correspondence:
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Hosseini S, Azari P, Cardenas-Benitez B, Martínez-Guerra E, Aguirre-Tostado FS, Vázquez-Villegas P, Pingguan-Murphy B, Madou MJ, Martinez-Chapa SO. A LEGO inspired fiber probe analytical platform for early diagnosis of Dengue fever. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110629. [DOI: 10.1016/j.msec.2020.110629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 12/18/2019] [Accepted: 01/02/2020] [Indexed: 12/20/2022]
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A Novel Profiled Multi-Pin Electrospinning System for Nanofiber Production and Encapsulation of Nanoparticles into Nanofibers. Sci Rep 2020; 10:4302. [PMID: 32152364 PMCID: PMC7062762 DOI: 10.1038/s41598-020-60752-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 02/17/2020] [Indexed: 11/25/2022] Open
Abstract
Electrospinning with various machine configurations is being used to produce polymer nanofibers with different rates of output. The use of polymers with high viscosity and the encapsulation of nanoparticles for achieving functionalities are some of the limitations of the existing methods. A profiled multi-pin electrospinning (PMES) setup is demonstrated in this work that overcomes the limitations in the needle and needleless electrospinning like needle clogging, particle settling, and uncontrolled/uneven Taylor cone formation, the requirement of very high voltage and uncontrolled distribution of nanoparticles in nanofibers. The key feature of the current setup is the use of profiled pin arrangement that aids in the formation of spherical shape polymer droplet and hence ensures uniform Taylor cone formation throughout the fiber production process. With a 10 wt% of Polyvinyl Alcohol (PVA) polymer solution and at an applied voltage of 30 kV, the production rate was observed as 1.690 g/h and average fiber diameter obtained was 160.5 ± 48.9 nm for PVA and 124.9 ± 49.8 nm for Cellulose acetate (CA) respectively. Moreover, the setup also provides the added advantage of using high viscosity polymer solutions in electrospinning. This approach is expected to increase the range of multifunctional electrospun nanofiber applications.
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Influence of high voltage polarity in multi-pin upward electrospinning system on the Fiber morphology of poly (vinyl alcohol). JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-2005-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Cacciotti I, Pallotto F, Scognamiglio V, Moscone D, Arduini F. Reusable optical multi-plate sensing system for pesticide detection by using electrospun membranes as smart support for acetylcholinesterase immobilisation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 111:110744. [PMID: 32279763 DOI: 10.1016/j.msec.2020.110744] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 01/03/2020] [Accepted: 02/12/2020] [Indexed: 02/07/2023]
Abstract
Herein we report a multiplated and biopolymeric-based optical bioassay for organophosphate detection based on the use of acetylcholinesterase (AChE) as biocomponent and biopolymeric electrospun fibrous mats as eco-designed supports for AChE immobilisation. The principle of the detection relays on the decrease of enzymatic activity due to the capability of the organophosphorus pesticides to irreversibly inhibit AChE, which is optically detected using Ellman colorimetric method. The proposed bioassay consists in a novel, cost-effective, and multiplex-based 96-well system, in combination with customised biopolymeric membranes modified with AChE, with the aim to deliver a sustainable analytical tool. Indeed, the designed set-up should provide and guarantee several advantages, including: i) the re-use of plastic multi-plate with the only replacement of polymer dishes in the case of inhibition absence; ii) the exploiting of the properties of the immobilised enzyme, i.e. multiple analysis using the same amount of enzyme, reducing the AChE amount for analysis. In detail, three different biopolymers (i.e. polylactic acid (PLA), polycaprolactone (PCL), and poly-hydroxybutyrate-co-hydroxyvalerate (PHBV)) were investigated and morphologically characterised, as supports for enzyme immobilisation, to identify the optimal one. Among them, PHBV was selected as the best support to immobilise AChE by cross-linking method. The analytical features of the bioassay were then assessed by measuring standard solutions of paraoxon in a range of concentrations between 10 and 100 ppb, achieving a linear range up to 60 ppb and a detection limit of 10 ppb. Thus, the suitability of this sustainable bioassay to detect organophosphate at ppb level was demonstrated.
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Affiliation(s)
- Ilaria Cacciotti
- University of Rome "Niccolò Cusano", Department of Engineering, Via Don Carlo Gnocchi 3, 00166 Roma, Italy.
| | - Francesca Pallotto
- Università di Roma Tor Vergata, Department of Chemical Science and Technologies, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Viviana Scognamiglio
- Institute of Crystallography, National Research Council, Department of Chemical Sciences and Materials Technologies, Via Salaria Km 29.3, 00015, Monterotondo Scalo, Rome, Italy
| | - Danila Moscone
- Università di Roma Tor Vergata, Department of Chemical Science and Technologies, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Fabiana Arduini
- Università di Roma Tor Vergata, Department of Chemical Science and Technologies, Via della Ricerca Scientifica, 00133 Rome, Italy; SENSE4MED, s.r.l. via Renato Rascel 30, 00128 Rome, Italy
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Serban A, Evanghelidis A, Onea M, Diculescu V, Enculescu I, Barsan MM. Electrospun conductive gold covered polycaprolactone fibers as electrochemical sensors for O2 monitoring in cell culture media. Electrochem commun 2020. [DOI: 10.1016/j.elecom.2020.106662] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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