Relevant bibliographies by topics / Electrospinning – Research

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Electrospinning – Research'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Electrospinning – Research"

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Liu, Da Li, Chang Juan Jing, Yuan Yuan Liu, and Qing Xi Hu. "Algorithm Research of Pattern Recognition for Process Control of Electrospinning." Advanced Materials Research 314-316 (August 2011): 1987–90. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.1987.

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Electrospinning is kind of unique craft to fabricate nanoscale fiber in the condition of high-voltage electric field. However, due to the nanoscale diameter manufacturing, it is a challenge to get the whole manufacturing process stable at certain level. For that sake, this paper figures out the monitor method for the electrospinning equipment, which solves the former matter as well as makes the fiber generating process in control. According to the method, CCD camera is put forward to make the detection of the Taylor cone image continuously, while pattern recognition algorithm is used to real-time monitor the shape and size of Taylor cone which indicate the stable process of electrospinning. In order to get the stable Taylor cone shape, the processing result is used as feedback signal for control system of the electrospinning equipment to coordinate the feeding module or power supply module. As a result, the problem of nonuniformity and uncontrollable about electrospinning has been solved effectively; what's more, experiments testify that this method is reliable and effective.
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Sun, Xiao Bin, D. Jia, Wei Min Kang, Bo Wen Cheng, and Ya Bin Li. "Research on Electrospinning Process of Pullulan Nanofibers." Applied Mechanics and Materials 268-270 (December 2012): 198–201. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.198.

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A kind of pullulan biopolymer nanofibers with diameter of 100～700nm were obtained using redistilled water as solvent through electrospinning technology in this paper. The effects of the spinning solution concentration, applied voltage, flow rate and capillary–screen distance on morphology and diameter distribution of pullulan nanofiber were studied by SEM. The results show that, different parameters had great influence on nanofibers’ morphology and diameter. The optimal parameters of pullulan nanofibers electrospinning were: 22wt.% spinning solution concentration, 31 kV voltage, 20 cm capillary–screen distance and 0.5ml/h flow rate.
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Song, Qing Song, Yue Xing Liu, You Chen Zhang, and Yong Liu. "Research and Development in Electrospinning Theory and Technology." Materials Science Forum 815 (March 2015): 695–700. http://dx.doi.org/10.4028/www.scientific.net/msf.815.695.

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Based on the analysis of much related literature, the present article introduced some of the latest theoretical models and technologies. Meanwhile, it sums up two important issues in electrospinning development. One is that more studies will focus on melt fiber refinement and improving position accuracy. Another is orderly collection and spinning efficiency will be emphasized. This study provides a clear direction for further development of electrospinning.
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Wei, Na, Cheng Sun, Jing Wang, and Li Qiang Huang. "Research on Electrospinning of Cellulose Acetate Prepared by Acetone /DMAc Solvent." Applied Mechanics and Materials 469 (November 2013): 126–29. http://dx.doi.org/10.4028/www.scientific.net/amm.469.126.

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Electrospinning is a technique that can be used to produce nanofibres from a polymeric solution or melt under the influence of a high electrostatic field [. In this paper, we used Acetone/N, N-Dimethyl acetamide (DMAc) and Acetic acid as the solvent, to explore the influencing factors of using electrospinning to prepare the nanofiber of cellulose acetate, and studied on how solvent, voltage and viscosity impact on the morphology and diameter of nanofiber. The results of the study show that: Acetone/DMAc as solvent, when the solvent ratio is 3:1, the spinning of the concentration is 4%～6%, the viscosity is 7.1～8.3 Poise, the voltage is 15kV, and deposition distance is 12cm, we could obtain the gelatin nanofibers with the diameter of 200-300 nanometer prepared by electrospinning. This study provided the theoretical basis for cellulose acetate prepared by electrospinning in antimicrobial food packaging materials development.
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Zhang, Yan, Chuan-Zheng Zhang, Fu-Juan Liu, Fei-Yan Wang, and Ping Wang. "Research on morphologies of polyvinyl alcohol/milk nanofibers." Thermal Science 20, no. 3 (2016): 961–66. http://dx.doi.org/10.2298/tsci1603961z.

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In this paper, the surface morphologies of polyvinyl alcohol/milk nanofibers produced via electrospinning technique were investigated. The electrospinning process was performed at various processing parameters (flow rate, applied voltage) and different polyvinyl acetate to milk ratios (100/0, 90/10, 80/20, 70/30, and 60/40). The scanning electron microscopy and Image J software were used to characterize the surface morphologies, especially the diameter distribution of electro spun nanofibers. The results of scanning electron microscopy show that the diameter of polyvinyl acetate/milk nanofibers increases with the increase of the spinning speed and spinning voltage but decreases with the increase of the weight percentage of milk in the spinning solution. The potential applications of this bicomponent nanofibers are numerous and diverse. The research results in present paper can contribute to better control of the electrospinning process and thus expanding the applicabilities, such as dressings for wound healing in sports.
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Wang, Han, Shenneng Huang, Feng Liang, Peixuan Wu, Minhao Li, Sen Lin, and Xindu Chen. "Research on Multinozzle Near-Field Electrospinning Patterned Deposition." Journal of Nanomaterials 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/529138.

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Multinozzle electrospinning systems are designed to increase productivity, while near-field electrospinning (NFES) systems are designed to deposit solid nanofibers in a direct, continuous, and controllable manner. In this paper, several multinozzle NFES setups are tested. The experiment reveals that the deposition distance becomes larger when working distance and needle spacing increase, and the influence of voltage is relatively weaker. The deposition of double nozzle NFES has been studied with Coulomb’s law and theoretical derivation has been verified by the experimental conclusion. The experiment result and theoretical derivation are helpful to get different distance of direct-written fibers by adjusting working distance or needle spacing to change distance of fibers largely and adjusting voltage to change distance slowly. Through these efforts, it is convenient to adjust the distance of straight fibers in multinozzle system.
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Mele, Elisa. "Electrospinning of Essential Oils." Polymers 12, no. 4 (April 14, 2020): 908. http://dx.doi.org/10.3390/polym12040908.

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The extensive and sometimes unregulated use of synthetic chemicals, such as drugs, preservatives, and pesticides, is posing big threats to global health, the environment, and food security. This has stimulated the research of new strategies to deal with bacterial infections in animals and humans and to eradicate pests. Plant extracts, particularly essential oils, have recently emerged as valid alternatives to synthetic drugs, due to their properties which include antibacterial, antifungal, anti-inflammatory, antioxidant, and insecticidal activity. This review discusses the current research on the use of electrospinning to encapsulate essential oils into polymeric nanofibres and achieve controlled release of these bioactive compounds, while protecting them from degradation. The works here analysed demonstrate that the electrospinning process is an effective strategy to preserve the properties of essential oils and create bioactive membranes for biomedical, pharmaceutical, and food packaging applications.
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Krucińska, Izabella, Maciej Boguń, Olga Chrzanowska, Michał Chrzanowski, and Paulina Król. "Research concerning fabrication of fibrous osteoconductive plga/hap nanocomposite material using the method of electrospinning from polymer solution." Autex Research Journal 13, no. 3 (September 30, 2013): 57–66. http://dx.doi.org/10.2478/v10304-012-0027-3.

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Abstract The aim of the work was to obtain nano fibrous structures from biodegradable polymer with the addition of hydroxyapatite using electrospinning technique. Research was conducted with two types of solvent: dichloromethane and 50:50 mixture of dimethyl sulfoxide and dichloromethane. As a polymer a copolymer of L-lactide and glycolide (PLGA), commercial product with trade name Resomer®LG 824, was used. The preliminary electrospinning tests enabled to match optimal polymer solution concentration of tested samples. Rheological properties of all tested polymer solutions has been determined. Influence of electrospinning conditions and the type of solvent on macroscopic structure has been investigated.
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Liu, Yuan Yuan, Qing Wei Li, Qing Xi Hu, Chang Juan Jing, and Qiang Gao Wang. "The Research on Macro Charged Jet Phenomenon and its Orderly Collection." Applied Mechanics and Materials 121-126 (October 2011): 1156–59. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.1156.

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Macro charged jet molding combines with Rapid Prototyping and electrospinning together, it solved the problem of insufficient forming precision with RP molding and the difficulty of collection with electrospinning which caused by highly injection speed and small diameter. This article talks about Macro charged jet phenomena of PEO solution and its influence factors through experiment, detected diameter of the shoot fluid by using microscope, measured micro-injection speed by using the rotating disk with linear motion collection device, achieved orderly collection of Macro charged jet with different diameter and injection speed.
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Zhou, Gang, Guimin Zhang, Zhe Wu, Yongzhao Hou, Ming Yan, Haifeng Liu, Xufeng Niu, A. Ruhan, and Yubo Fan. "Research on the Structure of Fish Collagen Nanofibers Influenced Cell Growth." Journal of Nanomaterials 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/764239.

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Electrospinning is highlighted in biomaterials field. The structures of nanofibers depend on various parameters, which are related closely to the bioactivity of biomaterials. The aim of this research is to analyze the structure of fish collagen nanofibers and to propose the new criterion for cell growth. This paper focused on the flow rate of solvent during the electrospinning. Through the cell culture, the relationship of the structure and cell growth is investigated. The results obtained in this study provide an understanding of the behaviors of cell growth under different structure of fish collagen nanofibers scaffold.
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Dissertations / Theses on the topic "Electrospinning – Research"

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Chigome, Samuel, and Samuel Chigome. "Electrospun nanofibers : an alternative sorbent material for solid phase extraction." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1004972.

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The work described in the thesis seeks to lay a foundation for a better understanding of the use of electrospun nanofibers as a sorbent material. Three miniaturised electrospun nanofiber based solid phase extraction devices were fabricated. For the first two, 10 mg of electrospun polystyrene fibers were used as a sorbent bed for a micro column SPE device (8 mm bed height in a 200 μl pipette tip) and a disk (I) SPE device (5 mm 1 mm sorbent bed in a 1000 μl SPE barrel). While for the third, 4.6 mg of electrospun nylon nanofibers were used as a sorbent bed for a disk (II) SPE device, (sorbent bed consisting of 5 5 mm 350 μm stacked disks in a 500 μl SPE barrel). Corticosteroids were employed as model analytes for performance evaluation of the fabricated SPE devices. Quantitative recoveries (45.5-124.29 percent) were achieved for all SPE devices at a loading volume of 100 μl and analyte concentration of 500 ng ml-1. Three mathematical models; the Boltzmann, Weibull five parameter and the Sigmoid three parameter were employed to describe the break through profiles of each of the sorbent beds. The micro column SPE device exhibited a breakthrough volume of 1400 μl, and theoretical plates (7.98-9.1) while disk (I) SPE device exhibited 400-500 μl and 1.39-2.82 respectively. Disk (II) SPE device exhibited a breakthrough volume of 200 μl and theoretical plates 0.38-1.15. It was proposed that the formats of future electrospun nanofiber sorbent based SPE devices will be guided by mechanical strength of the polymer. The study classified electrospun polymer fibers into two as polystyrene type (relatively low mechanical strength) and nylon type (relatively high mechanical strength).
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Qaqish, Walid P. "Electrospinning of L-Tyrosine Polyurethane Scaffolds for Gene Delivery." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1416997407.

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Batlokwa, Bareki Shima. "Development of molecularly imprinted polymer based solid phase extraction sorbents for the selective cleanup of food and pharmaceutical residue samples." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1004967.

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This thesis presents the development of chlorophyll, cholic acid, aflatoxin B1 molecularly imprinted polymer (MIP) particles and cholic acid MIP nanofibers for application as selective solid phase extraction (SPE) sorbents. The particles were prepared by bulk polymerization and the nanofibers by a novel approach combining molecular imprinting and electrospinning technology. The AFB1 MIP particles were compared with an aflatoxin specific immunoextraction sorbent in cleaning-up and pre-concentrating aflatoxins from nut extracts. They both recorded high extraction efficiencies (EEs) of > 97 % in selectively extracting the aflatoxins (AFB1, AFB2, AFG1 and AFG2). High reproducibility marked by the low %RSDs of < 1% and low LODs of ≤ 0.02 ng/g were calculated in all cases. The LODs were within the monitoring requirements of the European Commission. The results were validated with a peanut butter certified reference material. The chlorophyll MIP on the other hand selectively removed chlorophyll that would otherwise interfere during pesticide residue analysis (PRA) from > 0.6 to <0.09 Au in green plants extracts. The extracted chlorophyll was removed to far below the level of ≥ 0.399 Au that is usually associated with interference during PRA. Furthermore, the MIP demonstrated better selectivity by removing only chlorophyll (> 99%) in the presence of planar pesticides than the currently employed graphitized carbon black (GCB) that removed both the chlorophyll (> 88%) and planar pesticides (> 89%). For the interfering cholic acid during drug residue analysis, cholic acid MIP electrospun nanofibers demonstrated to be more sensitive and possessing higher loading capacity than the MIP particles. 100% cholic acid was removed by the nanofibers from standard solutions relative to 80% by the particles. This showed that the nanofibers have better performance than the micro particles and as such have potential to replace the particle based SPE sorbents that are currently in use. All the templates were optimally removed from the prepared MIPs by employing a novel pressurized hot water extraction template removal method that was used for the first time in this thesis. The method employed only water, an environmentally friendly solvent to remove templates to ≥ 99.6% with template residual bleeding of ≤ 0.02%.
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Kampeerapappun, Piyaporn. "The Design, Characteristics, and Application of Polyurethane Dressings using the Electrospinning Process." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1207243006.

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McClellan, Phillip Eugene. "Electrospun PLLA Nanofiber Coating of Scaffolds for Applications in Bone Tissue Engineering." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1438340950.

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Jindal, Aditya Jindal. "Electrospinning and Characterization of Polyisobutylene-based Thermoplastic Elastomeric Fiber Mats For Drug Release Application." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1512483246405986.

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Smith, Meghan Elisabeth. "Biologically Functional Scaffolds for Tissue Engineering and Drug Delivery, Produced through Electrostatic Processing." Cleveland, Ohio : Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1251224066.

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Thesis(Ph.D.)--Case Western Reserve University, 2010
Title from PDF (viewed on 2009-12-30) Department of Chemical Engineering Includes abstract Includes bibliographical references and appendices Available online via the OhioLINK ETD Center
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Gulamussen, Noor Jehan. "Electrospun sorbents for solid phase extraction (SPE) and colorimetric detection of pesticides." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013241.

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The thesis presents the evaluation of polysulfone sorbents for solid phase extraction (SPE) and the development of colorimetric probes for pesticides analysis in water. Through electrospraying and electrospinning techniques, different morphologies of sorbents (particles, beaded fibers and bead-free fibers) were fabricated. The sorbents were morphologically characterized by scanning electron microscopy. Adsorption capacities of sorbents were evaluated by conducting recoveries studies for model pesticides; atrazine, chlorpyrifos and DDT using batch and column SPE modes. Better recovery results were achieved by employing the batch mode of fibers, as values ranged from 98 to 105percent. Further sorbent evaluation was conducted using breakthrough experiments and static experiments. The breakthrough studies indicated that 1700 μL was the sample volume that could be percolated with no breakthrough of the analyte that correspond to a concentration of 150 mg/g of sorbent that can be extracted without any loss of analyte. From static studies, quantities of each model compound adsorbed into the fiber at the equilibrium time were evaluated. The adsorbed atrazine was 65, chlorpyrifos 250 and DDT 400 mg/g of sorbent. Kinetic studies suggested retention mechanism following pseudo first and second order model observed by high correlation coefficients (> 0. 96), demonstrating the fiber affinity to retain both polar and non-polar compounds opening a possibility to be used as sorbent for sample preparation of different classes of pesticides in water. For the second part of the study simple strategies for colorimetric sensing based on silver nanoparticles and polivinylpyrrolidone capped nanoparticles were developed, respectively for atrazine and chlorpyrifos detection. The limits of detection of the methods were 3.32 and 0.88 mg/L for atrazine and chlorpyrifos respectively. The applicability of the probe in real samples was demonstrated by the recoveries studies of tap water varying from 94 to 104 percent. The versatility of the probe was demonstrated by affording a simple, rapid and selective detection of atrazine and chlorpyrifos in the presence of other pesticides by direct analysis without employing any sample handling steps. Attempt to incorporate the probes in a solid support was achieved by using nylon 6 as solid support polymer proving to be fast and useful for on-site detection.
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Xue, Ruipeng. "Nanofiber Based Optical Sensors for Oxygen Determination." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1405508835.

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Shah, Parth Nimish. "Biocompatibility Analysis and Biomedical Device Development Using Novel L-Tyrosine Based Polymers." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1238781002.

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Books on the topic "Electrospinning – Research"

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Haghi, A. K., and G. E. Zaikov. Electrospinning process and nanofiber research. Hauppauge, N.Y: Nova Science Publishers, 2011.

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Haghi, A. K. Advances in nanofibre research. Shawbury, Shrewsbury, Shropshire, U.K: ISmithers, 2011.

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Thomas, Sabu, Erich Kny, Theodora Krasia-Christoforou, Haydn Kriel, and Andrea Townsend-Nicholson. Electrospinning: From Basic Research to Commercialization. Royal Society of Chemistry, The, 2018.

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K, Haghi A., ed. Electrospun nanofibers research: Recent developments. Hauppauge, N.Y: Nova Science Publishers, 2009.

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Electrospun nanofibers research: Recent developments. Hauppauge, N.Y: Nova Science Publishers, 2009.

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K, Haghi A., ed. Electrospun nanofibers and nanotubes research advances. Hauppauge, NY, USA: Nova Science Publishers, 2009.

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Book chapters on the topic "Electrospinning – Research"

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Nhu, Cuong Nguyen, Nhung Vu Thi, Nam Nguyen Hoang, Thao Pham Ngoc, Trinh Chu Duc, Van Thanh Dau, and Tung Bui Thanh. "Characterization of Gelatin and PVA Nanofibers Fabricated Using Electrospinning Process." In Advances in Engineering Research and Application, 216–22. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-64719-3_25.

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Maghsoodlou, S. H., and A. K. Haghi. "Application of Reneker’s Mathematical Model to Optimize Electrospinning Process." In Handbook of Research for Fluid and Solid Mechanics, 205–13. Toronto : Apple Academic Press, 2018.: Apple Academic Press, 2017. http://dx.doi.org/10.1201/9781315365701-10.

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Poreskandar, S., S. H. Maghsoodlou, and A. K. Haghi. "Updates to Control Fluid Jet in Electrospinning Process using Taguchi’s Experimental Design." In Handbook of Research for Fluid and Solid Mechanics, 13–31. Toronto : Apple Academic Press, 2018.: Apple Academic Press, 2017. http://dx.doi.org/10.1201/9781315365701-2.

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Poreskandar, S., S. H. Maghsoodlou, and A. K. Haghi. "Controlling the Stability of Fluid Jet in the Electrospinning of Fibers: Mathematical Modeling." In Handbook of Research for Fluid and Solid Mechanics, 1–12. Toronto : Apple Academic Press, 2018.: Apple Academic Press, 2017. http://dx.doi.org/10.1201/9781315365701-1.

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Bosworth, L. A., S. Schüler, and R. Lennon. "Cell culture systems for kidney research." In Electrospinning for Tissue Regeneration, 343–58. Elsevier, 2011. http://dx.doi.org/10.1533/9780857092915.3.343.

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Wan, J. D. D., S. Downes, M. J. Dunne, and K. E. Cosgrove. "Cell culture systems for pancreatic research." In Electrospinning for Tissue Regeneration, 359–71. Elsevier, 2011. http://dx.doi.org/10.1533/9780857092915.3.359.

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Meade, K., R. J. Holley, and C. L. R. Merry. "Cell culture systems for stem cell research." In Electrospinning for Tissue Regeneration, 372–96. Elsevier, 2011. http://dx.doi.org/10.1533/9780857092915.3.372.

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Park, Jung Keug. "Protocol for Nanofibre Electrospinning Scaffold." In Manuals in Biomedical Research, 153–62. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812772114_0015.

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"Application of Biopolymeric Electrospun Nanofibers in Biological Science." In Materials Research Foundations, 156–201. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901076-7.

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Biopolymers are those class of macromolecules which are found in nature or extracted from the living organisms. Various structures and properties of the biopolymers-based materials are well researched till to date. These mainly includes hydrogels, bio glasses, bio inks, biocomposites, fibers and others. These biopolymers-based structures have some limitations. However, Biopolymers have some common advantages (i.e., non-toxicity, easy availability, monodispersity, degradability, and better solubility etc.) and disadvantages (i.e., poor thermal and chemical stabilities, brittleness etc.). To overcome these disadvantages, it is necessary to tailor these polymers by few emerging techniques like “Electrospinning”. Electrospinning is one of the easiest techniques to prepare nanofibers from polymeric solutions by applying high voltage. Obtained nano/micro structural polymeric fibers have good properties like high surface area, porosity and low weights etc. The materials having high surface area and porosity can easily interact with cells and tissues, are better mobile vehicles for drugs, as well as possess good filtration and adsorption abilities. Thus, these one-dimensional structures of the biopolymers are very useful in various fields of biomedical especially water sanitation/desalination, tissue engineering, drug delivery and scaffolds. Various biopolymers like chitosan, chitin, sodium alginate, guar gum, polylactic acid and others are successfully fabricated as fibers and used in various fields of biomedical.
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Lim, Loong-Tak, Ana C. Mendes, and Ioannis S. Chronakis. "Electrospinning and electrospraying technologies for food applications." In Advances in Food and Nutrition Research, 167–234. Elsevier, 2019. http://dx.doi.org/10.1016/bs.afnr.2019.02.005.

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Conference papers on the topic "Electrospinning – Research"

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Madani, Mohammad, and Abdelmagid Salem Hamouda. "Using Electrospinning Technique for Preparation of Cobalt Hydroxide Nanoparticles." In Qatar Foundation Annual Research Conference Proceedings. Hamad bin Khalifa University Press (HBKU Press), 2016. http://dx.doi.org/10.5339/qfarc.2016.eepp1129.

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Dau, Van Thanh. "Invited Talk: Flexible electronics fabricated by electric field- enhanced electrospinning." In 2021 Moratuwa Engineering Research Conference (MERCon). IEEE, 2021. http://dx.doi.org/10.1109/mercon52712.2021.9525700.

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Martinova, Lenka, and Daniela Lubasova. "Reasons for using polymer blends in the electrospinning process." In INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY - RESEARCH AND COMMERCIALIZATION 2011: (ICONT 2011). AIP, 2012. http://dx.doi.org/10.1063/1.4769138.

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Popelka, Anton, Salma Habib, Aya Abusrafa, Fathima Sifani Zavahir, and Asma Abdulkareem. "Preparation of Slippery Liquid Infused Porous Surfaces on Polymeric Substrates." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0012.

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Many polymers have been found in bioscience paralleling with advancement in a technology sector. A selection of suitable polymers for using in a biomedical sector is based on many factors such as chemical nature, surface free energy or morphology, which influence cell-polymer surface interactions. However, these materials suffering from infections represent serious issues for their applications. These infections closely relate with biofilm formation, whereby microorganisms are strongly attached to surface forming strong attached multicellular communities. Therefore, a preparation of slippery liquid infused porous surfaces (SLIPS) using low-temperature plasma technique in combination with electrospinning technique was utilized in this research. A multistep physicochemical approach was carried out for this purpose. The first step includes the pretreatment of polyethylene (PE) and polyurethane (PU) substrates using low-temperature plasma to activate the surface for an adhesion improvement. Subsequently, the 3D porous network consisted of superhydrophobic fiber mats, that was fabricated on the plasma activated substrates using electrospinning technique. Final step consisted of the infusion of natural oils with emphasis on their antimicrobial effect. This complex strategy led to the effective antimicrobial modification of the PE and PU surface potentially applicable in the biomedical field.
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Zaccaria, Marco, Davide Fabiani, Andrea Zucchelli, and Juri Belcari. "Electrospinning: A versatile technique for energy storage and sensor applications." In 2014 AEIT Annual Conference - From Research to Industry: The Need for a More Effective Technology Transfer (AEIT). IEEE, 2014. http://dx.doi.org/10.1109/aeit.2014.7002035.

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Mahmoud, Abdelrahman, Mohammed Naser, Mahmoud Abdelrasool, Khalid Jama, Mohamed Hussein, Asma Abdulkareem, Peter Kasak, and Anton Popelka. "Development of PLA Fibers as an Antimicrobial Agent with Enhanced Infection Resistance using Electrospinning/Plasma Technology." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0079.

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Humans are vulnerable and easily prone to all kind of injuries, diseases, and traumas that can be damaging to their tissues (including its building unit, cells), bones, or even organs. Therefore, they would need assistance in healing or re-growing once again. Medical scaffolds have emerged over the past decades as one of the most important concepts in the tissue-engineering field as they enable and aide the re-growth of tissues and their successors. An optimal medical scaffold should be addressing the following factors: biocompatibility, biodegradability, mechanical properties, scaffold architecture/porosity, precise three-dimensional shape and manufacturing technology. There are several materials utilized in the fabrication of medical scaffolds, but one of the most extensively studied polymers is polylactic acid (PLA). PLA is biodegradable thermoplastic aliphatic polyester that is derived from naturally produced lactic acid. PLA is characterized with its excellent mechanical properties, biodegradability, promising eco-friendly, and excellent biocompatibility. PLA can be fabricated into nanofibers for medical scaffolds used through many techniques; electrospinning is one of the widely used methods for such fabrication. Electrospinning is a favorable technique because in the preparation of scaffolds, some parameters such as fiber dimensions, morphology, and porosity are easily controlled. A problem that is associated with medical scaffolds, such as inflammation and infection, was reported in many cases resulting in a degradation of tissues. Therefore, a surface modification was thought of as a needed solution which mostly focuses on an incorporation of extra functionalities responsible for the surface free energy increase (wettability). Therefore, plasma technique was a favorable solution for the surface treatment and modification. Plasma treatment enables the formation of free radicals. These radicals can be easily utilized for grafting process. Subsequently, ascorbic acid (ASA) could be incorporated as anti-inflammatory and anti-infection agent on the plasma pretreated surface of scaffolds.
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Wildgoose, Alexander, Raghid Najjar, Jason Dittman, Harrison Hones, Emily Umbach, Benjamin Muska, Adriano Conte, Vince Beachley, and Wei Xue. "Comparative Studies of Wet-Stretched and Non-Stretched Electrospun PVDF-HFP Nanofibers." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70993.

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The recent growth in portable electronics has sparked a demand for alternative energy sources. Energy harvesters that utilize piezoelectric materials are promising in capturing the mechanical energy from body movement to power portable electronics. This study investigated the characteristics of PVDF-HFP nanofibers created from traditional electrospinning and a novel technique called wet-stretching electrospinning. The solution was initially processed using the traditional method, flat-plate electrospinning, which resulted in a fiber network with random orientations. When performing electrical testing the fibers produced minimal voltage. The solution was then processed utilizing a novel wet-stretching electrospinning technique that allowed for fiber alignment and dynamic stretch ratios. Fibers that underwent this method produced higher voltages than fibers from the traditional electrospinning method. It was observed that fibers processed using the wet-stretching technique with different draw ratios (DR) such as 1 (DR 1) and 2.5 (DR 2.5) showed enhanced piezoelectric properties. This research suggests that the wet-stretched PVDF-HFP nanofibers are better suited for piezoelectric applications than traditionally electrospun nanofibers.
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Jarvis, David, Angela Edwards, and Narayan Bhattarai. "Extraction and Production of Keratin-Based Nanofibers for Biomedical Applications." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64501.

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Keratin, a natural biomaterial found within the hair, nails, and epidermis of humans, has shown promise of being a useful material for tissue engineering scaffolds and drug delivery systems, due in part to its favorable biological qualities. The scaffolds generated by electrospinning are useful in proliferating cells, and can even biodegrade over time, reducing the impact on the body and not invoking any adverse tissue response. This research details the extraction process of keratin from human hair, and using electrospinning to weave the keratin into nanofibrous polymers. Using a synthetic polymer solution, for example, polycaprolactone (PCL) in trifluoroethanol (TFE), keratin was easily mixed and successfully electrospun into nanofibers. The fiber formation characteristics and nanofiber morphology was studied under a scanning electron microscope (SEM).
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Kang, Jia-Chen, Min Wang, and Xiao-Yan Yuan. "Bicomponent Fibrous Scaffolds of Controlled Composition for Tissue Engineering Applications." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10989.

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Electrospinning has been widely studied for constructing tissue engineering scaffolds because of the morphological and size effects of electrospun fibers on cell behavior. Research on electrospun tissue engineering scaffolds has been based mainly on using solutions of single polymer or blends of polymers dissolved in common solvents, which has put limitations to scaffolds that can be built. There is an increasing need for using the multi-source and multi-power electrospinning approach to fabricate multicomponent fibrous scaffolds because these scaffolds have great potential for tissue engineering and controlled (drug) release applications. In the present study, bicomponent fibrous scaffolds were fabricated through dual-source and dual-power electrospinning using poly(L-lactic acid) (PLLA) and gelatin polymers. The experimental setup ensured that the solution and electrospinning parameters for each electrospun fibrous component were controlled separately and hence the morphology of electrospun fibers could be controlled and optimized. By adjusting the number of syringes that fed polymer solutions, the composition of bicomponent scaffolds (i.e. the weight percentage of gelatin varying from 0 to 100%) could also be controlled. Such controls would yield scaffolds of desired properties (hydrophilicity, degradation rate, strength, etc.) After electrospinning, pure gelatin scaffolds and bicomponent scaffolds were crosslinked by glutaraldehyde (GA) and genipin, respectively, using different crosslinking methods. Both crosslinked and non-crosslinked scaffolds were studied using various techniques (scanning electron microscopy (SEM) for scaffold morphology, differential scanning calorimetry (DSC) for polymer crystallinity, contact angle measurement for hydrophilicity, tensile testing for mechanical properties and crosslinking efficiency, etc.). It was found that the bicomponent scaffolds were more hydrophilic than pure PLLA scaffolds due to the presence of gelatin fibers. The tensile strength of bicomponent scaffolds was also increased after crosslinking. Using our experimental setup, bicomponent scaffolds could be constructed for tissue engineering with enhanced mechanical properties, biocompatibility and biodegradability. Furthermore, in the bicomponent scaffolds, while PLLA fibers could act as the structural component with a slower degradation rate, the gelatin fibers could be used as a carrier for therapeutic agents (drugs and therapeutic biomolecules). With controlled degrees of the crosslinking of gelatin, the release of therapeutic agents from gelatin fibers would be controlled.
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alkhair, Shahad, Deepalekshmi Ponnamma, Abdulla Aljanahi, and Abdulla AlNasr. "Smart and Robust Nanocomposite Fibers for Self-Powering." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0053.

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Many of the devices, demands power sources for their continuous and long-term operations, selfpowering devices with good flexibility, mechanical robustness, highly efficient energy storage performance and environmental friendliness are investigated. Polyvinylidene fluoride hexafluoropropylene (PVDF-HFP) is used as the base polymer in our study. Hybrid combination of nanoparticles –iron oxide (FeO) and titanium dioxide (TiO2) is used to reinforce with the polymer and the electrospinning method was adopted for the sample preparation. This specific method helps the polymer dipoles to align in specific directions so that the resultant fibers exhibit remarkable piezoelectric property. Other than studying the crystallinity and morphology, the energy storage of the material is also investigated, and correlated with the output voltage generation. The research results shows improve in the crystallinity structure of the hybrid nanocomposite thus enhanced piezoelectricity. In addition, it shows improved dielectric constant of the hybrid nanocomposite thus improving storage capabilities of the developed material. Additional researches could be directed to test the ability of the developed hybrid nanocomposite to absorb electromagnetic radiation. In addition, investigating self-cleaning properties due to the presence of TiO2 nanoparticles can be a good study. The established material can be used in numerous applications such as smart electronic textiles, biomedical applications, and artificial intelligence.
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