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Wyświetlanie 1-15 z 55
Tytuł:
Phenolic plant extract enrichment of enzymatically mineralized hydrogels
Autorzy:
Douglas, Timothy E.L
Lopez-Heredia, Marco A.
Pułczyńska, Aleksandra
Łapa, Agata
Pietryga, Krzysztof
Schaubroeck, David
Santos, Sónia A.O.
Pais, Adriana
Brackman, Gilles
Schamphelaere, Karel de
Samal, Sangram Keshari
Keppler, Julia K.
Bauer, Jonas L
Chai, Feng
Blanchemain, Nicolas
Coenye, Tom
Pamuła, Elżbieta
Skirtach, Andre G
Powiązania:
https://bibliotekanauki.pl/articles/284057.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
hydrogel
mineralization
polyphenols
antibacterial
epigallocatechin gallate
gellan gum
Opis:
Hydrogel mineralization with calcium phosphate (CaP) and antibacterial activity are desirable for applications in bone regeneration. Mineralization with CaP can be induced using the enzyme alkaline phosphatase (ALP), responsible for CaP formation in bone tissue. Incorporation of polyphenols, plant-derived bactericidal molecules, was hypothesized to provide antibacterial activity and enhance ALP-induced mineralization. Three phenolic rich plant extracts from: (i) green tea, rich in epigallocatechin gallate (EGCG) (herafter referred to as EGCG-rich extract); (ii) pine bark and (iii) rosemary were added to gellan gum (GG) hydrogels and subsequently mineralized using ALP. The phenolic composition of the three extracts used were analyzed by ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MSn). EGCG-rich extract showed the highest content of phenolic compounds and promoted the highest CaP formation as corroborated by dry mass percentage meassurements and ICP-OES de-termination of mass of elemental Ca and P. All three extracts alone exhibited antibacterial activity in the following order EGCG-rich > PI > RO, respectively. However, extract-loaded and mineralized GG hydro-gels did not exhibit appreciable antibacterial activity by diffusion test. In conclusion, only the EGCG-rich extract promotes ALP-mediated mineralization.
Źródło:
Engineering of Biomaterials; 2019, 22, 149; 2-9
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biomimetic in situ nucleation of calcium phosphate/Ag coating on bioinert ceramic
Autorzy:
Schickle, K.
Desante, G.
Goldschmidt, G. M.
Zybała, R.
Krok-Borkowicz, M.
Pamuła, E.
Telle, R.
Powiązania:
https://bibliotekanauki.pl/articles/285459.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
ceramics
dental industry
coatings
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 27
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Carbon nanotube-reinforced hydrogels for bone tissue regeneration
Autorzy:
Ward, D.
Kudlačková, R.
Benko, A.
Vanhoorne, V.
Vervaet, C.
Hanson, J.
D’sa, R.
Tryba, A.
Pietryga, K.
Pamuła, E.
Fullwood, N. J.
Douglas, T. E. L.
Powiązania:
https://bibliotekanauki.pl/articles/285898.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
hydrogels
tissue regeneration
carbon
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 61
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparing the Effectiveness of Cast Iron Spheroidization by the Traditional Method and Using a Reaction Chamber (Reactor) Placed in Foundry Mould
Autorzy:
Stefański, Z.
Kamińska, J.
Pamuła, E.
Angrecki, M.
Palma, A.
Powiązania:
https://bibliotekanauki.pl/articles/382171.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ductile iron
spheroidization methods
magnesium alloy
evaluation of effectiveness
żeliwo sferoidalne
metody sferoidyzacji
stop magnezu
skuteczność sferoidyzacji
ocena skuteczności
Opis:
The effectiveness of cast iron spheroidization with FeSiMg master alloy by the traditional method and using a reaction chamber placed in the cavity of foundry mould was compared. The method of cast iron treatment in mould cavity using a reaction chamber is an innovative technology developed by the Foundry Research Institute in Krakow. The effectiveness of the spheroidization process carried out by both methods was checked on a series of test castings. The article also presents the results of metallographic examinations and mechanical testing, including the discussion of magnesium yield and its assimilation rate.
Źródło:
Archives of Foundry Engineering; 2018, 18, 1; 191-195
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modification of microparticles’ microstructure with carbon dioxide for application as cell carriers in modular tissue engineering
Autorzy:
Mielan, B.
Krok-Borkowicz, M.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/284508.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
carbon dioxide
tissue engineering
microstructure
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 102
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
One step 3D printing of surface functionalized composite scaffolds for tissue engineering applications
Autorzy:
Kotlarz, M.
Jordan, R.
Wegner, E.
Dobrzyński, P.
Neunzehn, J.
Lederer, A.
Wolf-Brandstetter, C.
Pamula, E.
Scharnweber, D.
Powiązania:
https://bibliotekanauki.pl/articles/306484.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
druk 3D
PLGA
węglan wapnia
właściwości powierzchniowe
3D printing
calcium carbonate
amphiphilic poly(2-oxazoline)
degradation
surface properties
Opis:
A successful approach widely used in materials science to adapt approved materials to specific applications is to design their surface properties. A main challenge in this area is the development of processing routes enabling for a simple but efficient surface design of complex shaped geometries. Against this background, this work aimed at the implementation of self-assembly principles for surface functionalization of 3D-printed poly(lactic-co-glycolic acid) (PLGA)-based constructs with macro- and microporous geometries via precision extruding deposition. Methods: Three-component melts from PLGA, CaCO3 and amphiphilic polymers (poly(2-oxazoline) block copolymer) were printed and their bulk and surface properties were studied. Results: Melts with up to 30 mass % of CaCO3 could be successfully printed with homogeneously distributed mineral particles. PLGA degradation during the printing process was temperature and time dependent: the molecular weight reached 10 to 15% of the initial values after ca. 120 min of heat exposure. Filament surfaces from melts containing CaCO3 show an increasing microroughness along with increasing CaCO3 content. Surface roughness and amphiphilic polymer content improve scaffold wettability with both factors showing synergistic effects. The CaCO3 content of the melts affected the inner filament structure during in vitro degradation in PBS, resulting in a homogeneous mineral particle-associated microporosity for mineral contents of 20 mass % and above. Conclusions: These results provide novel insights into the behavior of three-component melts from PLGA, CaCO3 and amphiphilic polymers during precision extruding deposition and show for the first time that self-assembly processes can be used to tailor scaffolds surface properties under such processing conditions.
Źródło:
Acta of Bioengineering and Biomechanics; 2018, 20, 2; 35-45
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Osteoblast behaviour on novel whey protein isolate hydrogels
Autorzy:
Stählke, S.
Mazur, K.
Krężel, A.
Żydek, J.
Pietryga, K.
Pamuła, E.
Keppler, J. K.
Nebe, J. B.
Douglas, T. E. L.
Powiązania:
https://bibliotekanauki.pl/articles/285936.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
hydrogels
biomaterials
osteogenic cells
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 105
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Superparamagnetic iron oxide nanoparticles as versatile drug delivery carriers
Autorzy:
Reczyńska, K.
Marszałek, M.
Zarzycki, A.
Reczyński, W.
Chrzanowski, W.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/284204.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
nanoparticles
iron oxide
silica coating
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 104
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface functionalization of poly(L-lactide-co-glycolide) membranes with amphiphilic poly(2-oxazoline) for guided tissue regeneration and treatment of bone tissue defects
Autorzy:
Tryba, A. M.
Krok-Borkowicz, M.
Paluszkiewicz, C.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/283890.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
poly (L-lactide-co-glycolide)
poly (ethylene glycol)
poly (2-oxazolines)
phase separation
Fourier transform infrared spectroscopy (FTIR)
osteoblast-like cells
guided tissue regeneration (GTR)
bone tissue engineering
Opis:
The main challenge of this research was to functionalize the surface of poly(L-lactide-co-glycolide) (PLGA) membranes with amphiphilic poly(2-oxazoline) (POx) in order to change PLGA chemical state and properties. Poly(2-oxazolines) are very powerful polymers, which thanks to active pendant groups can be easily functionalized with biologically active molecules or peptides. The membranes were prepared by dissolving PLGA, POx, and poly(ethylene glycol) (PEG, 1000 Da) in methylene chloride (DCM), followed by PEG leaching. POx molecules were preferentially adsorbed at the interface PLGA-POx-PEG thanks to affinity to both hydrophilic (PEG) and hydrophobic (PLGA) chains. The properties of the membranes were characterized with Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and wettability tests. Cytocompatibility of the materials in contact with osteoblast-like MG-63 cells was studied by evaluation of cell viability (Alamar-Blue test), live/dead and phalloidin/DAPI staining. The results show that the presence of POx influenced topography of the PLGA membranes, but did not have an impact on their wettability. All membranes were fo-und cytocompatible with model osteoblasts. Presence of POx resulted in better cell adhesion as shown by microscopic studies after fluorescence staining for nuclei and cytoskeleton actin filaments. In summary, one-step phase separation process between PLGA, PEG, and POx, dissolved in DCM followed by drying and PEG leaching resulted in cytocompatible PLGA membranes with immobilised POx, which might be considered for guided tissue regeneration technique in periodontology and in bone tissue engineering.
Źródło:
Engineering of Biomaterials; 2018, 21, 147; 16-20
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Whey protein isolate-aragonite composites for bone tissue engineering
Autorzy:
Gupta, D.
Kocot, M.
Serafim, A.
Jaegermann, Z.
Talari, A.
Riedel, S.
Tryba, A. M.
Stancu, I. C.
Pietryga, K.
Reilly, G.
Pamuła, E.
Douglas, T. E. L.
Powiązania:
https://bibliotekanauki.pl/articles/285230.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
tissue engineering
composites
hydrogels
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 97
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hybrid, bioactive coatings formed on titanium alloys surface
Autorzy:
Kazek-Kęsik, A.
Nosol, A.
Płonka, J.
Krok-Borkowicz, M.
Pamuła, E.
Simka, W.
Powiązania:
https://bibliotekanauki.pl/articles/283894.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
plasma electrolytic oxidation
titanium alloys
coatings
Źródło:
Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 41
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modification of microspheres’ microstructure for application as cell carriers in modular tissue engineering
Autorzy:
Mielan, B.
Krok-Borkowicz, M.
Pielichowska, K.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/285556.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
tissue engineering
polymers
emulsification
Źródło:
Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 72
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modification of PLGA microspheres’ microstructure for application as cell carriers in modular tissue engineering
Autorzy:
Mielan, B.
Krok-Borkowicz, M.
Pielichowska, K.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/285127.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
regenerative medicine
cell cultures
bottom-up
PLGA
emulsification
Opis:
Microspheres (MS) made of resorbable polymer have been proposed as a cell growth support. They may be assembled to form cell constructs or be suspended in hydrogels allowing injection into injury location. High relative surface area of MS provides more efficient cell culture environment than traditional culture on flat substrates (multiwell plates, Petri dishes). In addition, MS structure, topography and surface chemistry can be modified to promote cell adhesion and proliferation. The aim of this study was to obtain resorbable poly(L-lactide-co-glycolide) (PLGA) MS and to modify their properties by changing manufacturing conditions of the oil-in-water emulsification to better control structural and microstructural properties of MS and their biological performance. To this end, water phase was modified by addition of NaCl to change ionic strength, while oil phase by addition of polyethylene glycol (PEG). Microstructural and thermal properties were assessed. Cytocompatibility tests and cell cultures with MG-63 cells were conducted to verify potential relevance of MS as cell carriers. The results showed that it is possible to obtain cytocompatible MS by oil-in-water emulsification method and to control diameter, porosity and crystallinity of MS with the use of additives to oil and/or water phases without negative changes in MS cytocompatibility. The results prove that modification of both phases make it possible to produce MS with desired/controllable properties like surface topography, porosity and crystallinity.
Źródło:
Engineering of Biomaterials; 2017, 20, 140; 7-11
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pectin coatings on titanium alloy samples produced by additive manufacturing: promotion of human bone marrow stromal cell proliferation
Autorzy:
Douglas, T. E. L.
Hempel, U.
Żydek, J.
Buchweitz, M.
Surmenev, R. A.
Surmeneva, M. A.
Koptioug, A. V.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/970965.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
titanium alloys
human bone cells
biomaterials
Źródło:
Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 43
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-gelling, injectable hydrogel-bioactive glass composites
Autorzy:
Douglas, T. E. L.
Krężel, A.
Ciołek, L.
Binch, A. L. A.
Coenye, T.
Hanson, J.
Buchweitz, M.
D’sa, R.
Kerns, J. G.
Pamuła, E.
Powiązania:
https://bibliotekanauki.pl/articles/285443.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
hydrogels
glass
composites
Źródło:
Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 42
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 55

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