Polymer fibers electrospun using pulsed voltage

Mirek, A.; Korycka, Paulina; Grzeczkowicz, Marcin; Lewińska, Dorota

doi:10.1016/j.matdes.2019.108106

Cited by 28 publications

(10 citation statements)

References 41 publications

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“…Just as a routine single‐fluid electrospinning, the multifluid process has the following parameters for manipulating the working processes, which can be categorized as four types: (a) about the working fluids' property: polymer molecular weight and its distribution, molecular branching or linear structure, solution properties such as concentration, viscosity, conductivity, surface tension, and the volatility of applied solvents; (b) about the operational parameters: flow rate, applied voltage, collecting distance, and the temperature of working fluid (Williams, Raimi‐Abraham, & Luo, ); (c) about the apparatus: stability and accuracy of equipment, needle structure, nozzle diameter and shape, fluid introduction mode, collector form, and applied high voltage mode (Mirek, Korycka, Grzeczkowicz, & Lewińska, ); and (d) about the environmental conditions: temperature, humidity, vacuum state, indoor air flow speed, heating and so on.…”

Section: The Key Elements In Implementing a Multifluid Electrospinningmentioning

confidence: 99%

Multifluid electrospinning for the generation of complex nanostructures

Wang

et al. 2019

WIREs Nanomed Nanobiotechnol

118

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New nanostructure means new nanotechnology and nanoscience. The need of complex nanostructure‐based advanced functional nanomaterials has promoted the appearance of several kinds of multifluid electrospinning processes, such as tri‐axial electrospinning, quad‐fluid coaxial electrospinning, tri‐fluid side‐by‐side electrospinning, and coaxial electrospinning with a side‐by‐side core. These multifluid processes can greatly expand the capability of electrospinning in generating new types of nanostructures with different organization manner of the inner parts, and from both spinnable and unspinnable working fluids. The key elements for conducting a multifluid electrospinning lie in a well‐designed spinneret, compatibility of the working fluids, and special operational parameters. The complex nanostructures can be created through direct electrospinning of multiple fluids, through after‐treatment of the electrospun products, and through ingenious design of the components, compositions and their spatial distributions as well. This article provides a simple review on the most recent publications about the multifluid electrospinning processes and the corresponding complex nanostructures. This article is characterized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Implantable Materials and Surgical Technologies > Nanomaterials and Implants

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Section: The Key Elements In Implementing a Multifluid Electrospinningmentioning

confidence: 99%

Multifluid electrospinning for the generation of complex nanostructures

Wang

et al. 2019

WIREs Nanomed Nanobiotechnol

118

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“…PV can lead to the formation of thinner NFs of adjustable length. It was observed that, at least in some cases, increased process stabilization and better control over NF mat morphology could be provided by applying PV [ 61 ]. Other parameters such as nozzle tip-to-collector distance should be optimized to enable solvent evaporation and NF formation since residual solvent can lead to fusion of fibers and changed structure of resulting mat.…”

Section: Methods Of Preparationmentioning

confidence: 99%

Nanofiber Carriers of Therapeutic Load: Current Trends

Jarak

Silva

Domingues

et al. 2022

IJMS

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The fast advancement in nanotechnology has prompted the improvement of numerous methods for the creation of various nanoscale composites of which nanofibers have gotten extensive consideration. Nanofibers are polymeric/composite fibers which have a nanoscale diameter. They vary in porous structure and have an extensive area. Material choice is of crucial importance for the assembly of nanofibers and their function as efficient drug and biomedicine carriers. A broad scope of active pharmaceutical ingredients can be incorporated within the nanofibers or bound to their surface. The ability to deliver small molecular drugs such as antibiotics or anticancer medications, proteins, peptides, cells, DNA and RNAs has led to the biomedical application in disease therapy and tissue engineering. Although nanofibers have shown incredible potential for drug and biomedicine applications, there are still difficulties which should be resolved before they can be utilized in clinical practice. This review intends to give an outline of the recent advances in nanofibers, contemplating the preparation methods, the therapeutic loading and release and the various therapeutic applications.

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“…In Figure 8, FESEM images of electrospun nanofiber show how different electrical conditions could affect the final morphology with the same polymer, concentration, and solution properties. For different PVP solution concentrations (3.5% and 8%) at different voltages (8 kV and 15 kV), when the DC voltage setup changed to the pulsed mode, nanofibers were not achieved for 20 Hz (3.5% and 8% concentration) and 50 Hz (3.5% concentration) and, instead, the nozzle was reported to be in the dripping mode [48].…”

Section: Voltage and Electric Fieldmentioning

confidence: 99%

Overview of Nano-Fiber Mats Fabrication via Electrospinning and Morphology Analysis

et al. 2021

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Electrospun nano-fibers exhibit two significant properties: a high surface-to-volume ratio and a relatively defect-free molecular structure. Due to the high surface-to-volume ratio, electro-spun materials are well suited for activities requiring increased physical contact, such as providing a site for a chemical reaction or filtration of small-sized physical materials. However, electrospinning has many shortcomings, including difficulties in producing inorganic nanofibers and a limited number or variety of polymers used in the process. The fabrication of nanofiber bundles via electrospinning is explored in this analytical study and the relationship between all effective electrospinning parameters and the relative abundance of various fiber morphologies. Numerous variables could impact the fabrication of nanofibers, resulting in a variety of morphologies such as uniform, entangled, individual beads, beads-on-string, etc. Therefore, adequate ambient conditions and selecting the appropriate polymer and solvent for achieving a homogenous polymer solution and uniform with desired nanofiber properties for different applications of electro-spun materials are examined. Finally, the promising applications of nano-fine fibers in various fields achieved via electrospinning are studied in this paper.

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Polymer fibers electrospun using pulsed voltage

Cited by 28 publications

References 41 publications

Multifluid electrospinning for the generation of complex nanostructures

Multifluid electrospinning for the generation of complex nanostructures

Nanofiber Carriers of Therapeutic Load: Current Trends

Overview of Nano-Fiber Mats Fabrication via Electrospinning and Morphology Analysis

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