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Wyszukujesz frazę "poly(caprolactone)" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Biological property poly(ε- caprolactone) as potential material for reproduction devices
Autorzy:
Wieczorek, R.
Stodolak-Zych, E.
Kosenyuk, Y.
Powiązania:
https://bibliotekanauki.pl/articles/284532.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
poly(ε-caprolactone)
reproduction
biomaterials
Opis:
The main limitation of embryos transfer is the lack of catheters for their obtaining and transferring which would have desirable and confirmed biological properties ensuring high bioconcordance and low toxicity. Catheters used routinely for embryos obtaining and transfer are tools used for insemination, urology and other medical purposes, but their bioconcordance with embryos was never confirmed. For these reasons in our studies we attempted to develop the modern set of catheters designed for the contact with embryos, based on the biomaterial characterized by good biological and mechanical properties such as with optimal resilience and elastic properties, and capable to be free shaped in the form of a tube of 1-2 mm diameter. The material which hypothetically fulfills biological requirements and at the same time gives possibility of free shaping is resorbable polymer used for the long time in many fields of medicine is poly-ε-caprolactone (PCL). Because of its biological and physical properties it was taken into consideration to use this biomaterial for in vitro embryos culture and for cryoconservation. The aim of the study was verification of biological properties of poly-ε-caprolactone (PCL) as the material dedicated to biotechnology of animal reproduction and gynecology and evaluation of possibility of poly-ε-caprolactone (PCL) application as a potential material for production of medical devices, as catheters for obtaining and transporting of embryos as well as dishes for embryos culture in vitro and covers for cryoconservation. The possible application of this biomaterial needs verification of its biological properties on embryos culture. The foil discs made of the polycaprolactone, thickness 0.5 mm, diameter 3.5 mm, were prepared in two forms: the reference one (nPCL) and thermally modified by freezing in liquid nitrogen (mPCL). The verification of PCL bioconcordance was performed by evaluation of 102 pig embryos at the development stage of 2 to 4 blastomers. To evaluate poly-ε-caprolactone bioconcordance 5-day long culture of the embryos was performed on the evaluating material, not frozen (nPCL) and frozen in liquid nitrogen (mPCL) and additionally culture after short contact with poly-ε-caprolactone lasting 15 minutes (nPCL-15). In all evaluated study groups the development of embryos was suppressed shortly after transfer to the culture with PCL. In the control group 74-78% of the embryos reached blastocyst stage. Because of cytotoxic influence of polycaprolacton on embryos it cannot be used as the material for catheter production used in biotechnology of animal reproduction and other materials used for in vitro culture and cryoconservation.
Źródło:
Engineering of Biomaterials; 2012, 15, no. 116-117 spec. iss.; 140
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of biological properties of poly-ε-caprolacton (PCL) as the material dedicated to medicine and biotechnology
Autorzy:
Wieczorek, J.
Grad, I.
Stodolak-Zych, E.
Kosenyuk, Y.
Powiązania:
https://bibliotekanauki.pl/articles/285736.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
embryos
poly(ε-caprolactone) (PCL)
culture
catheters
pigs
Opis:
The aim of the study was evaluation of possibility of poly-ε-caprolacton (PCL) application as potential material for production of medical devices, as catheters for obtaining and transporting of embryos as well as dishes for embryos culture in vitro and covers for cryoconservation. The possible application of this biomaterial needs verification of its biological properties on embryos culture. The foil discs made of policaprolacton, thickness 0.5 mm, diameter 3.5 mm, were prepared in two forms: the baseline one (nPCL) and thermally modified by freezing with liquid nitrogen (mPCL). The verification of PCL bioconcordance was performed by evaluation of 102 pig embryos. To evaluate poly-ε-caprolacton bioconcordance we performed 5-day long culture of embryos on the evaluated material, not frozen (nPCL) and frozen in liquid nitrogen (mPCL) and additionally culture after short contact with poly-ε-caprolacton, lasting 15 minutes (nPCL-15). In all evaluated study groups the development of embryos was suppressed shortly after transfer to the culture with PCL. In the control group. 74%-78% of embryos reached blastocyst stage. Polycaprolacton cannot be used as the material for catheter production used in biotechnology of animal reproduction and other materials used for in vitro culture and cryoconservation.
Źródło:
Engineering of Biomaterials; 2013, 16, no. 122-123 spec. iss.; 66-68
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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