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Wyszukujesz frazę "Czarnecka, K." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Comparative study of hydroxyapatite and hydroxyapatite mixed with bioglass coatings of metallic implants, deposited by PLD method
Autorzy:
Mróz, W.
Jedyński, M.
Burdyńska, S.
Prokopiuk, A.
Ślósarczyk, A.
Menaszek, E.
Ścisłowska-Czarnecka, A.
Łączka, M.
Cholewa-Kowalska, K.
Niedzielska, A.
Powiązania:
https://bibliotekanauki.pl/articles/286137.pdf
Data publikacji:
2008
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
implants
hydroxyapatite
bioglasses
Opis:
Hydroxyapatite and bioglasses are important bioactive materials as they exhibit direct bonding with human bone. Therefore they are used as coatings for metallic implants. The aim of the present study was to compare two types of layers: monophase hydroxyapatite (HA) and composite-type HA+BG hydroxyapatite mixed with bioglass (BG) (BG 50% of weight) during the initial stage of their interaction with cell medium. In vitro studies were performed in order to determine the effect of the investigated layers on cell response. After 3 and 7 days the behaviour of the cells grown on the above surfaces was estimated through determination of the cell adhesion (CV colorimetric assay). Cell morphology and properties of biomaterials surfaces were analysed by atomic force microscopy (AFM).
Źródło:
Engineering of Biomaterials; 2008, 11, no. 81-84; 121-123
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The membrane with polylactide and hyaluronic fibers for skin substitute
Autorzy:
Stodolak-Zych, E.
Rozmus, K.
Dzierzkowska, E.
Zych, Ł.
Kapacz-Kmita, A.
Gargas, M.
Kołaczkowska, E.
Cieniawska, M.
Książek, A.
Ścisłowska-Czarnecka, A.
Powiązania:
https://bibliotekanauki.pl/articles/306599.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
nanowłókna
elektroprzędzenie
kwas hialuronowy
polilaktyd
nanofibrous scaffold
electrospinning
skin substitute
hyaluronic acid
polylactide
Opis:
Skin substitutes are heterogeneous group of scaffolds (natural or synthetic) and cells. We hypothesize that nanofibers with layer composition made of polylactide (PLA) and sodium hyaluronate (HA) obtained using electrospinning method are a good matrix for cell adhesion and proliferation. Methods: Optimal conditions of electrospinning of PLA and HA nanofibers to create layered compositions (PLA membrane covered with HA nonwovens) were determined by modifying parameters such as the appropriate amount of solvents, polymer concentration, mixing temperature and electrospinning process conditions. By changing the parameters, it was possible to control the diameter and properties of both polymer fibers. The spinning solution were characterized by surface tension and rheology. A scanning electron microscope (SEM) was used to determine the morphology and fiber diameters: PLA and HA. Structure of the PLA/HA nonwoven was analyzed using spectroscopy (FTIR/ATR). Biocompatibility of the nonwoven with fibroblasts (ECM producers) was assessed in the in vitro conditions. Results: The results showed that stable conditions for the formation of submicron PLA fibers were obtained using a 13% wt. solution of the polymer, dissolved in a 3:1 mixture of DCM:DMF at 45 °C. The hyaluronic fibers were prepared from a 12% wt. solution of the polymer dissolved in a 2:1 mixture of ammonia water and ethyl alcohol. All materials were biocompatible but to a different degree. Conclusions: The proposed laminate scaffold was characterized by a hydrophobic-hydrophilic domain surface with a maintained fiber size of both layers. The material positively underwent biocompatibility testing in contact with fibroblasts.
Źródło:
Acta of Bioengineering and Biomechanics; 2018, 20, 4; 91-99
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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