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Wyszukujesz frazę "Kosenyuk, Y." wg kryterium: Autor


Wyświetlanie 1-3 z 3
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
Tytuł:
A revised surgical concept of anterior cruciate ligament replacement in a rabbit model : preliminary investigations
Autorzy:
Ficek, K.
Wieczorek, J.
Stodolak-Zych, E.
Kosenyuk, Y.
Powiązania:
https://bibliotekanauki.pl/articles/284158.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
ACL reconstruction
tendon implant
resorbable material
Opis:
In this project the anterior cruciate ligament (ACL) replacement in a rabbit model was performed for the preclinical phase of investigations of a new form of biomaterial i.e. polymer beads (granules). This material, based on resorbable aliphatic polyester (polylactide - PLA) was used as a filler of the bone tunnels to enhance tendon-to-bone healing. The high specific surface area and well known biocompatibility of this material designated it as an osteoconductive agent in reconstructive ligament surgery. Additionally, a new surgical concept was proposed which retains the natural elasticity of the harvested tendon. This method ensures fixation of the grafted tendon within the bone tunnels in their entire length.
Źródło:
Engineering of Biomaterials; 2012, 15, 113; 33-34
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Non-penetrating very deep sclerectomy with a hydrophobic polymer implant in a rabbit model
Autorzy:
Leszczyński, R.
Stodolak-Zych, E.
Gumuła, T.
Wieczorek, J.
Kosenyuk, Y.
Pawlicki, K.
Błażewicz, S.
Powiązania:
https://bibliotekanauki.pl/articles/307465.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
jaskra
polimery
biomateriały
NPVDS
glaucoma
biocompatible polymers
polymer membranes
non-penetrating very deep sclerectomy
rabbit model
Opis:
Purpose: The aim of the study was to evaluate the influence of an implant made of a terpolymer (PTFE-PVDF-PP) on the condition of rabbit eyes during a one year observation period. Methods: The implant in the shape of an equilateral triangle (3 mm side length) was manufactured from a thin hydrophobic porous membrane. There were evaluated 40 eyes of 20 rabbits. The animals had non-penetrating very deep sclerectomy (NPVDS) performed, with insertion of an implant in the form of a triangular thin membrane. The control group consisted of 20 eyes where the animals had NPVDS performed without implant insertion. The evaluations included the study of the anterior part of the eye together with photographic documentation. Histopathological examination of the eyes 52 weeks after NPVDS procedure has been made. The process of wound healing was comparable in both groups. Results: The evaluation of the rabbits did not reveal any acute process of intraocular inflammation. After 12 month period of observation, no statistically significant differences in the process of wound healing or status of eyes were found between the groups. An analysis of fibrous connective tissue attachment to the implant showed that its layer was not thick and did not differ significantly from the control. The procedure of very deep sclerectomy and insertion of a polymer implant were well tolerated by the rabbit eyes. Conclusions: The in vivo results indicate that the hydrophobic implant in the form of a membrane can serve as a sclera implant after further study.
Źródło:
Acta of Bioengineering and Biomechanics; 2015, 17, 3; 23-31
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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