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Title:Določitev terapevtske koncentracije ekstrakta trpotca v 3D tiskanem nosilnem sistemu za optimalni učinek na rast kožnih celic : magistrsko delo
Authors:ID Cokan, Klara Laura (Author)
ID Činč Ćurić, Laura (Comentor)
ID Maver, Tina (Mentor) More about this mentor... New window
ID Finšgar, Matjaž (Comentor)
Files:.pdf MAG_Konda_Klara_Laura_2022.pdf (3,34 MB)
MD5: FB30AA374B1DD328F4C0817EF8289824
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:V magistrskem delu smo podrobneje raziskali vpliv ekstraktov širokolistnega (Plantago major L.) in ozkolistnega (Plantago lanceolata L.) trpotca na rast kožnih celic. Ekstrakte obeh vrst trpotca smo ekstrahirali z različnimi topili in jih določili. V ekstraktih smo s tekočinsko kromatografijo visoke ločljivosti potrdili prisotnost avkubina, katalpola, verbaskozida in plantamajozida. Vsebnost celokupnih kemijskih spojin v ekstraktih smo določili s spektroskopskimi metodami ter njihovo antioksidativno delovanje z DPPH-metodo. Kinetiko sproščanja ekstraktov iz 3D-tiskanih obližev smo določili na podlagi in vitro testiranja sproščanja verbaskozida iz 3D-tiskanih obližev na avtomatiziranem sistemu Franzovih difuzijskih celic. Na podlagi dobljenih rezultatov ter rezultatov MTT-testa, pri katerem smo določili vpliv ekstraktov na viabilnost celic, smo v 3D-tiskane obliže vgradili metanolni ekstrakt širokolistnega trpotca ter etanolni ekstrakt ozkolistnega trpotca. V primeru obeh vrst trpotca smo določili optimalni masni delež, ki je znašal 0,50 % ekstrakta na maso 3D-tiskanega obliža. Relativna viabilnost je bila v primeru 3D-tiskanega obliža s širokolistnim trpotcem 1,39 in 1,49 v primeru ekstrakta ozkolistnega trpotca. Z MTT-testom smo tako dokazali biokompatibilnost vgrajenih ekstraktov ter njihov spodbujevalni vpliv na viabilnost in proliferacijo fibroblastov. Z analizo površine 3D-tiskanih obližev z ali brez vgrajenega ekstrakta trpotca, ki smo jo naredili z vrstičnim elektronskim mikroskopom, smo potrdili vpliv ekstraktov na spremembo morfologije obližev. S testom degradacije in testom navzemanja vlage smo pokazali, da so obliži biorazgradljivi in da imajo ustrezen profil nabrekanja ter tako potrdili njihov potencialni terapevtski učinek in uporabo za celjenje ran.
Keywords:širokolistni trpotec, ozkolistni trpotec, aktivne učinkovine, 3D-tiskan nosilni sistem, terapevtska koncentracija, rast kožnih celic
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[K. L. Konda]
Year of publishing:2022
Number of pages:1 spletni vir (1 datoteka PDF (XII, 63 f.))
PID:20.500.12556/DKUM-82194 New window
UDC:[66.061:582.944.2]:616-001.4(043.2)
COBISS.SI-ID:133439747 New window
Publication date in DKUM:03.11.2022
Views:795
Downloads:222
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:28.07.2022

Secondary language

Language:English
Title:Determination of therapeutic concentration of plantain extract in a 3D printed scaffolds for optimal effect on skin cell growth
Abstract:In this work, the effect of extracts from broad-leaved plantain (Plantago major L.) and narrow-leaved plantain (Plantago lanceolata L.) on skin cell growth was studied in detail. Extracts from both Plantago species were extracted with different solvents and were determined. The presence of aucubin, catalpol, verbascoside, and plantamajoside in the extracts was confirmed by high-performance liquid chromatography. The content of total chemical compounds in the extracts was determined by spectroscopic methods and their antioxidant activity by the DPPH method. The release kinetics of the extracts from the 3D-printed patches was determined by in vitro release assays of verbascoside from the 3D-printed patches using an automated Franz diffusion cell system. Based on the results obtained and the results of the MTT assay, where we were interested in the effect of the extracts on cell viability, we incorporated a methanolic extract of broad-leaved plantain and an ethanolic extract of narrow-leaved plantain into the 3D-printed patches. For both Plantago species, we determined the optimal extract mass fraction, which was 0.50% by weight of extract per weight of the 3D-printed patch. The relative viability was 1.39 in the case of the 3D-printed broad-leaved plantain patch and 1.49 in the case of the narrow-leaved plantain extract. Thus, the biocompatibility of the incorporated extracts and their stimulatory effect on viability and fibroblast proliferation were demonstrated by the MTT assay. By analysing the surface of the 3D-printed patches with or without the incorporated plantain extracts using a scanning electron microscope, we confirmed the effect of the extracts on changing the morphology of the patches. The degradation and moisture absorption test showed that the patches were biodegradable and had an adequate swelling profile, confirming their potential therapeutic effect and use for wound healing.
Keywords:broad-leaved plantain, narrow-leaved plantain, active ingredients, 3D-printed scaffolds, therapeutic concentration, skin cell growth


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