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

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    Wyświetlanie 1-11 z 11
    Tytuł:
    Primordial germ cells ( PGCs) as a tool for creating transgenic chickens
    Autorzy:
    Chojnacka-Puchta, L.
    Kasperczyk, K.
    Plucienniczak, G.
    Sawicka, D.
    Bednarczyk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/32300.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    primordial germ cell
    transgenic animal
    chicken
    transgene expression
    bioreactor
    ovalbumin
    Opis:
    The transgenic chicken has great potential as a bioreactor for the production of valuable pharmaceutical proteins, notably in the oviduct/egg. Whereas conventional transgenic approaches have significant limitations in this species, an alternative approach employing primordial germ cells (PGCs), the progenitor cells to ova and spermatozoa, has now been successfully applied to the insertion of exogenous genes into birds. Recent developments in manipulating avian embryos make it possible to produce germline chimeras derived from transferred PGCs. In this review we describe the migration pathway of chicken PGCs during early development. We then summarize different methods for the isolation of PGCs and the diversity of techniques used to introduce genes into these cells. Finally, we describe an in vitro assay for testing tissue-specific vectors designed to express heterologous proteins in transgenic chickens.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of copolymer composition and coating method on drug release from biodegradable surface layer
    Autorzy:
    Jelonek, K.
    Jaworska, J.
    Dobrzyński, P.
    Kasperczyk, J.
    Pastusiak, M.
    Sobota, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/285024.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    copolymers
    biodegrability
    surface layers
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 54
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of various antibacterial, biodegradable polymeric coatings developed on Ti6Al7Nb surface
    Autorzy:
    Jaworska, J.
    Jelonek, K.
    Jaworska, M.
    Kajzer, W.
    Szewczenko, J.
    Pastusiak, M.
    Kasperczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/285816.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    polymeric coatings
    biodegradable
    Ti6Al7Nb alloys
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 31
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Single and multidrug filomicelles as anticancer drug delivery system
    Autorzy:
    Jelonek, K.
    Kasperczyk, J.
    Li, S.
    Kaczmarczyk, B.
    Orchel, A.
    Musiał-Kulik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/284619.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    drug delivery system
    filomicelles
    polymeric Micelles
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 53
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biocompatibility of L-lactide-co-glycolide-co-trimethylene-carbonate shape memory terpolymer with human chondrocytes
    Autorzy:
    Kłosek, R.
    Komacki, J.
    Orchel, A.
    Jelonek, K.
    Dobrzyński, P.
    Kasperczyk, J.
    Dzierżewicz, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/284055.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    shape-memory polymers (SMP)
    biodegradable polymers
    cytotoxicity
    degradation products
    in vitro
    biocompatibility of terpolymer
    Opis:
    Biomedical application of biodegradable shape memory terpolymers obtained from L-lactide, glycolide, trimethylene carbonate (TMC) have been intensively investigated in recent years. All applicable biomedical materials must be biocompatible, which means that they cannot cause toxic, cytotoxic, allergic, or carcinogenic reactions. The first study evaluating the biocompatibility of the material is determination of its cytotoxicity. The purpose of this study was to assess the biocompatibility of poly(L-lactide-co-glycolide-co-trimethylene-carbonate) 75:13:12, synthesized using Zr(Acac)4 as an initiator of polymerization. The terpolymer was degraded for 30, 60 and 90 days at 37§C in water. The effect of degradation products on the growth of human articular chondrocytes was determined using the sulforhodamine B assay. The examined terpolymer was characterized by means of NMR spectroscopy, GPC and DSC. The results showed that the studied terpolymer was biocompatible with tested cells.
    Źródło:
    Engineering of Biomaterials; 2012, 15, 113; 23-25
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of surface and structural properties on the initial release of risperidone from polymeric drug carriers
    Autorzy:
    Turek, A.
    Kasperczyk, J.
    Jelonek, K.
    Dobrzyński, P.
    Walichiewicz, J.
    Krzemińska, K.
    Smola, A.
    Musiał-Kulik, M.
    Marcinkowski, A.
    Libera, M.
    Gębarowska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/284323.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    risperidone
    implantable drug carriers
    poly(L-lactide-co-glycolide)
    poly(DL-lactide-co-glycolide)
    initial release
    Opis:
    In this work, implantable drug formulation with risperidone on the basis of poly(L-lactide-co-glycolide) (L-PLGA) and poly(D,L-lactide-co-glycolide) (D,L-PLGA) as drug carries was developed. The influence of surface and structural properties on the initial release of risperidone during the first twenty four hours was determined. In this aim, high-performance liquid chromatography, nuclear magnetic resonance spectroscopy, scanning electron microscope and atomic force microscope were used. Significant differences between L-PLGA and D,L-PLGA matrices in all analyzed data were noted. The burst effect was not revealed for any of the studied polymers, however the released drug was almost five times larger for D,L-PLGA matrices. The L-PLGA copolymer revealed a significantly longer average length of the lactidyl and glycolidyl blocks than D,L-PLGA. Moreover, various characters of surface for analyzed matrices were shown, i.e. in case of L-PLGA the surface was porous and in case of D,L-PLGA it was nonporous. Undoubtedly, there were dependences between risperidone's initial release and the topography and the structure of polymeric matrices. We suppose that the larger drug release for L-PLGA was more associated with surface properties and thus structure of matrices. The obtained results showed the great potential of both polymers and possibility to choose the optimal polymer.
    Źródło:
    Engineering of Biomaterials; 2012, 15, no. 116-117 spec. iss.; 144-146
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of vascular scaffold composition on release of sirolimus
    Autorzy:
    Jelonek, K.
    Dobrzyński, P.
    Kasperczyk, J.
    Jaworska, J.
    Pastusiak, M.
    Sobota, M.
    Włodarczyk, J.
    Karpeta-Jarząbek, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/285866.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    vascular
    scaffolds
    composition
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 30
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Drug - eluting bioresorbable vascular stents manufactured by microinjection moulding
    Autorzy:
    Dobrzyński, P.
    Sobota, M.
    Włodarczyk, J.
    Stoiko, M.
    Pastusiak, M.
    Kasperczyk, J.
    Milewski, K.
    Krauze, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/284470.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    vascular stents
    bioresorbable stent
    drugs
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 33
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal properties and morphology changes in degradation process of poly(L-lactide-co-glycolide) matrices with risperidone
    Autorzy:
    Turek, A.
    Kasperczyk, J.
    Jelonek, K.
    Borecka, A.
    Janeczek, H.
    Libera, M.
    Gruchlik, A.
    Dobrzyński, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/306678.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    rysperydon
    nośnik leków
    morfologia
    właściwości cieplne
    risperidone
    drug carriers
    degradation
    thermal properties
    morphology
    Opis:
    Determining thermal properties and morphology seems to be useful in the analysis of release and degradation processes form polymeric materials. Risperidone is available in the formulation of a long-acting injection based on poly(D,L-lactide-co-glycolide). Currently, alternative solutions are also offered, i.e., nano- and microparticles or implants, including copolymers of lactide and glycolide. The effect of risperidone content on the properties of poly(L-lactide-co-glycolide) matrices was determined. The study also involved an assessment of the changes during degradation. Risperidone free matrices and the matrices with risperidone were obtained by solvent casting. Thermal characteristics were tested by means of differential scanning calorimetry, and the morphology was evaluated using a scanning electron microscope. Risperidone did not change significantly semi-crystalline structure of poly(L-lactide-co-glycolide) matrices. The decrease in crystallization temperature and glass transition temperature during degradation was observed. Many pores and their deformation, the widening of pore area, cracks and slits because of degradation were observed. The analysis of thermal properties and morphology allowed us to explain degradation process. Matrices exhibited stable process of degradation, which may be advantageous for development of prolonged risperidone release systems.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2015, 17, 1; 11-20
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Corrosion resistance of PLGA-coated biomaterials
    Autorzy:
    Szewczenko, J.
    Kajzer, W.
    Grygiel-Pradelok, M.
    Jaworska, J.
    Jelonek, K.
    Nowińska, K.
    Gawliczek, M.
    Libera, M.
    Marcinkowski, A.
    Kasperczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/306888.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    odporność korozyjna
    stopy tytanu
    stal nierdzewna
    PLGA
    corrosion resistance
    titanium alloys
    stainless steel
    degradation
    biodegradable coatings
    Opis:
    The aim of the study was to determine the influence of PLGA bioresorbable polymer coating on corrosion resistance of metal biomaterial. Polymer coating deposited by immersion method was applied. Corrosion resistance of metal biomaterials (stainless steel, Ti6Al4V, Ti6Al7Nb) coated with PLGA polymer, after 90 days exposure to Ringer’s solution was tested. The amount of metal ions released to the solution was also investigated (inductively coupled plasma–atomic emission spectrometry (ICP-AES) method). The surface of the samples was observed using atomic force microscopy (AFM) and scanning electron microscopy (SEM). Degradation of PLGA was monitored with the use of the 1 H NMR spectroscopy and GPC (Gel Permeation Chromatography). The studies were carried out for non-sterilized (NS) and sterilized (S) samples. Application of the polymer coating causes a reduction of release of metal ions to the solution. Depending on metal substrate different course of destruction of polymer layer was observed. After 90 days of incubation in Ringer’s solution polymer layer was highly degraded, however, the composition of copolymer (ratio of the comonomeric units in the chain) remained unchanged during the whole process, which suggests even degradation. The polymer layer reduced degradation kinetics of the metal substrate. Moreover, degradation process did not change surface morphology of metal substrate and did not disturb its integrity. The results obtained indicate that the applied polymer layer improves corrosion resistance of the alloys being investigated. Thus, the developed implants with bioresorbable coatings could be advantageous for medical applications.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2017, 19, 1; 173-179
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An integral approach for tailoring of implant-tissue interface: PLGA-parylene C multifunctional coating
    Autorzy:
    Gołda-Cępa, M.
    Choryłek, A.
    Chytrosz, P.
    Brzychczy-Włoch, M.
    Jaworska, J.
    Kasperczyk, J.
    Hakkarainen, M.
    Engvall, K.
    Kotarba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/286032.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    implants
    coatings
    parylene C
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 59
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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