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Wyświetlanie 1-10 z 82
Tytuł:
Comparative Analysis of Electrospinning Methods for Producing Fibres and Materials with a Predicted Structure and Complex of Properties
Analiza porównawcza metod elektroprzędzenia do wytwarzania włókien i materiałów o przewidywanej strukturze i właściwościach
Autorzy:
Filatov, Ivan
Bokova, Elena
Smulskaya, Maria
Kapustin, Ivan
Pawlowa, Maria
Kovalenko, Grigory
Powiązania:
https://bibliotekanauki.pl/articles/1857693.pdf
Data publikacji:
2021
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
electrospinning
electrospun
nanofibres
nanospider
blowing-assisted electrospinning
electro-blowing
centrifugal electrospinning
elektroprzędzenie
nanowłókno
nadmuch elektryczny
Opis:
Various industrial methods of electrospinning are considered. Experimental data of the results of electrospinning from solutions of chlorinated polyvinyl chloride, polyamide-6/66 and fluoroplastic F-42, obtained by various methods are presented.
Rozważaniom poddano różne przemysłowe metody elektroprzędzenia. Przedstawiono dane doświadczalne wyników elektroprzędzenia z roztworów chlorowanego polichlorku winylu, poliamidu-6/66 i fluoroplastu F-42.
Źródło:
Fibres & Textiles in Eastern Europe; 2021, 4 (148); 69-74
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of PCL and PCL/HAp scaffolds processed by electrospinning and porogen leaching techniques
Autorzy:
Rajzer, I.
Powiązania:
https://bibliotekanauki.pl/articles/283996.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
scaffolds
electrospinning
leaching
Opis:
In order to improve the pore size of the polycapro-lactone (PCL) and polycaprolactone/hydroxyapatite (PCL/HAp) nanofibrous scaffolds, salt-leaching technique together with electrospinning method were applied. Salt particles were incorporated within the polymer nanofibrous matrix and then were leached out to generate some macropores. Microstructure, pore size distribution and average fibre diameter of the scaffold were investigated by scanning electron microscopy and PMI capillary flow porometer. Mechanical properties were determined by means of tensile test. Presence of hydroxyapatite and chemical characterization of the scaffold were done by FTIR analysis.
Źródło:
Engineering of Biomaterials; 2011, 14, 103; 4-7
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Potential of electrospinning technique to drug delivery system
Autorzy:
Dzierzkowska, E.
Stodolak-Zych, E.
Powiązania:
https://bibliotekanauki.pl/articles/284071.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
electrospinning
drugs
fibers
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 119
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrospinning as a fine technique to obtain various material structures of bio-medical-purpose polyurethanes and polycarbonates copolymers
Autorzy:
Sobota, M.
Włodarczyk, J.
Dobrzyński, P.
Kasperczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/285484.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
electrospinning
copolymers
polyurethanes
polycarbonates
Źródło:
Engineering of Biomaterials; 2016, 19, 138; 90
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of electrospinning conditions on PLA fibers morphology and UV degradation
Autorzy:
Kosowska, K.
Procner, M.
Szatkowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/284275.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
electrospinning
PLA fibers
degradation
Źródło:
Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 60
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nanofabric nonwoven mat for filtration smoke and nanoparticles
Autorzy:
Lackowski, M.
Krupa, A.
Jaworek, A.
Powiązania:
https://bibliotekanauki.pl/articles/778386.pdf
Data publikacji:
2013
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
nanofibrous mat
filtration
electrospinning
Opis:
The process of production of filtration mats of various thickness from PVC and PVDF polymers by the electrospinning method is presented in the paper. Filtration of nanoparticles and submicron particles is an important problem in industry and health protection systems, in particular in air-conditioning and ventilation appliances. This problem can be effectively solved by application of non-woven fibrous filtration mats. The experimental investigations of mechanical properties of nanofibrous filtration mats produced by electrospinning and the measurements of removal efficiency of submicron particles from flowing gas have indicated potential usefulness of these nanomats for gas cleaning of air-conditioning systems and/or ventilation ducts. The experimental results obtained for cigarette smoke of a mass median diameter of about 1 μm, used as test particles, have shown that nonwoven nanofibrous filtration mats produced by electrospinning have a good filtration efficiency for nano- and submicron particles, owing to a pressure drop similar to HEPA filters. Particles of this size are particularly difficult to be removed from the flow by a conventional method, for example, by a cyclone or electrostatic precipitator.
Źródło:
Polish Journal of Chemical Technology; 2013, 15, 2; 48-52
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The preliminary studies of a structure and electrospinning of new polyurethanes based on synthetic atactic poly[(R, S)-3-hydroxybutyrate]
Autorzy:
Sajkiewicz, P.
Brzeska, J.
Denis, P.
Sikorska, W.
Kowalczuk, M.
Rutkowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/201693.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
polyurethane
polyhydroxybutyrate
electrospinning
scaffolds
Opis:
Novel polyurethanes based on synthetic, atactic poly[(R, S)-3-hydroxybutyrate] (a-PHB) and polycaprolactone (PCL) or polyoxytetramethylene (PTMG) diols were synthesized. It was shown that the presence of a-PHB within soft segments reduces crystallinity of PUR. Because of the low melting temperature for polyurethanes with PCL in soft segments, at this stage of work, electrospinning was limited to polyurethanes containing PTMG and a-PHB. Polyurethane containing 80% of PTMG and 20% of a-PHB was electrospun at various parameters from hexafluoro-2-propanole solution, resulting in formation of fibers with the average diameter ca. 2 μm. The fiber diameter decreased with decreasing polymer concentration in a solution and was practically insensitive to the needle-collector distance in the applied range of distances.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 1; 55-60
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary study on the electrospun PLA–based nanofibres as biomaterials for the treatment of cartilage
Autorzy:
Magiera, A.
Markowski, J.
Lesiuk, M.
Sieroń, A. L
Pilch, J.
Błażewicz, S.
Powiązania:
https://bibliotekanauki.pl/articles/285792.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
electrospinning
nanofibrous scaffold
cartilage
Opis:
Electrospinning is a simple and universal way to produce fibres from a variety of materials having diameters ranging from submicrometers to nanometers. Such fibres can be formed from resorbable and non-resorbable polymers, ceramics and their different combinations containing nanoparticles. Such a method has gained a great interest in medicine due to its ability to form a fibrous space architecture, similar to the natural extracellular matrix [1,2]. On the other hand, due to a wide range of technical facilities of electrospun fibers the method allows to create directionally-dependent space architecture of nanofibres which mimic natural tissues [3]. Considering the similarities between the microstructure created by nanofibres and the extracellular matrix, nanofibrous materials made by ES technique seem to be promising scaffolds to regenerate cartilage [4] and neural tissue [5]. A material which is used for cartilage scaffolds should mimic native cartilage, which is known to have an oriented structure associated with its mechanical and physiological functions [5]. Scaffold with a biomimetic-oriented architecture is an important requirement for tissue-engineered cartilage. In this study, PLA oriented and non-oriented fibrous scaffolds were manufactured. Selected properties of the materials were analysed and dissussed in view of the manufacture of optimal structure for cartilage tissue engineering.
Źródło:
Engineering of Biomaterials; 2014, 17, no. 128-129; 110-111
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrospinning for drug delivery systems: potential of the technique
Autorzy:
Dzierzkowska, Ewa
Stodolak-Zych, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/284606.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
electrospinning
drug carrier
DDS
nanofibers
polymer
Opis:
Electrospinning is a technique used to manufacture nano- and submicron fibers based on synthetic or natural polymers. Additionally, biomaterials used in the electrospinning procedure can be modified by bioactive compounds, e.g. peptides or growth factors. The microstructure of the obtained fibrous scaffolds mimics natural extracellular matrix (ECM) environment. The size and the microstructure of the fibrous scaffolds are considered to be suitable for cells adhesion and proliferation. Various design features of the electrospinning device (e.g. the shape of the collector, the shape of the nozzle, the direction of the applied voltage) or electrospinning conditions (e.g. humidity, temperature) allows to control properties of the fibers (their shape, diameter, porosity). Novel structures, such as core-shell fibers, porous fibers attracted wide attention due to their properties and functionalities. Porous fibers or fibers with nanoscaled structures can be obtained in several ways. These methods are mainly focused on using high humidity and highly volatile solvent applied in the electrospinning process. The core-shell structure can be obtained by coaxial electrospinning. That binary fiber has ability to control the release rate of drug enclosed within the shell or core. The drug release profile can be also modified by loading the pharmacological agent either directly to the spinning solution or its post immobilization.This diversity of the electrospun fibers is a reason for non-woven materials to be considered for application as drug carriers. The review of electrospinning methods presented here proves that the control over fibers surface area, morphology and the choice of polymer enable modelling of drug release kinetics.
Źródło:
Engineering of Biomaterials; 2019, 22, 149; 10-14
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mineralization and degradation of poly(ε -caprolactone) / hydroxyapatite electrospun membranes
Autorzy:
Rajzer, I.
Kwiatkowski, R.
Sarna, E.
Janicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/285016.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
degradation
mineralization
electrospinning
simulated body fluid
Opis:
The aim of this work was to study mineralization and degradation behavior of poly(ε-caprolactone) membranes modified with hydroxyapatite. The membranes have been obtained by electrospinning method. In vitro mineralization and degradation processes were carried out in simulated body fluid (SBF) as the release medium. The weight loss of the samples, water uptakes, pH and calcium, potassium, sodium ions concentrations of the solutions were determined. The chemistry and microstructure of the membranes after different times of incubation in SBF were characterized using SEM, FTIR, and XRD methods. The results of in vitro study in SBF indicate that incorporation of n-HAp strongly activates precipitation of the apatite like materials on the surface of nanofibers.
Źródło:
Engineering of Biomaterials; 2011, 14, no. 106-108; 5-9
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 82

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