Temat: wirowanie - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Properties of polyurethane fibrous materials produced by solution blow spinning
Autorzy:: Łopianiak, Iwona
Wojasiński, Michał
Butruk-Raszeja, Beata
Powiązania:: https://bibliotekanauki.pl/articles/2034056.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: nano- and microfibres
3D cell culture
solution blow spinning
polyurethanes
scaffolds
nano- i mikrowłókna
hodowla komórek 3D
wirowanie z rozdmuchiwaniem roztworu
poliuretany
rusztowania
Opis:: The study aimed to produce nano- and microfibrous materials from polyurethane (ChronoFlex®C75A/ C75D in 1,1,1,3,3,3–hexafluoro–2–propanol) by solution blow spinning. Experiments were carried out in order to determine the impact of solution blow spinning parameters on fibre diameter and quality of produced materials. The following properties of produced fibre scaffolds were investigated: fibre size, porosity and pore size, wettability, and mechanical properties. The results confirmed that produced nano- and microfibrous materials could be potentially used as scaffolds in three-dimensional cell and tissue cultures.
Źródło:: Chemical and Process Engineering; 2020, 41, 4; 267-276
0208-6425
2300-1925
Pojawia się w:: Chemical and Process Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Solution blow spun poly-L-lactic acid/ceramic fibrous composites for bone implant applications
Autorzy:: Wojasiński, Michał
Ciach, Tomasz
Powiązania:: https://bibliotekanauki.pl/articles/2086798.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: solution blow spinning
composite fibres
submicron fibres
nanofibres
poly-L-lactic acid
ceramic particles
bone implants
wirowanie z rozdmuchiwaniem roztworu
włókna kompozytowe
włókna submikronowe
nanowłókna
kwas poli-L-mlekowy
cząstki ceramiczne
implanty kostne
Opis:: Every bone implant to work correctly after implantation needs to integrate with the surrounding bone. To enhance such a process, called osseointegration, various techniques of implant surface modification emerged. One of the approaches is based on the deposition of nano- and submicron materials on the implant surface. This paper presents a solution blow spinning process for producing poly-L-lactic acid (PLLA)/ceramic fibrous composites designed to be deposited directly onto orthopaedic implants prior to implantation to increase osseointegration. We produced plain PLLA fibrous materials for comparison, and fibrous composite materials with -tricalcium phosphate (TCP), hydroxyapatite nanoparticles (nHAp) and hydroxyapatite nanoparticles modified with lecithin (nHAp-LE). We performed the structural analysis of produced materials with scanning electron microscopy, gravimetric determination of porosity, and water contact angle measurement. We also used infrared spectroscopy, Alizarin Red S staining, and cytotoxicity evaluation to conclude that PLLA/nHAp-LE composite material shows the most promising properties to be applied as surface modification of bone implants. To visualise fibrous composite deposition on implants, we used two models: titanium plate and stainlesssteel bolt. Thus, we showed that the solution blow spun materials can be used for surface modification of orthopaedic implants.
Źródło:: Chemical and Process Engineering; 2021, 42, 3; 275--289
0208-6425
2300-1925
Pojawia się w:: Chemical and Process Engineering
Dostawca treści:: Biblioteka Nauki

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