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Alginatni hidrogeli s kolagenom in celicami zelene alge Chlamydomonas reinhardtii za pospešeno celjenje ran
ID Boček, Žan (Author), ID Ručigaj, Aleš (Mentor) More about this mentor... This link opens in a new window

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Abstract
Oskrba rane z zadostno količino kisika je ključna za uspešno celjenje, vendar je zaradi poškodb lokalnega krvnega obtoka omejena. Dovajanje kisika se je izboljšalo z enkapsulacijo fotosintetsko aktivnih celic Chlamydomonas reinhardtii v alginatnih hidrogelih z dodano želatino. Fizikalno zamrežen alginat ščiti celice in dovaja hranilne snovi, medtem ko je želatina odgovorna za pritrjevanje celic na ogrodje. Hidrogeli so bili izbrani, ker imajo porozno 3-dimenzionalno strukturo, ki zadržuje veliko vode in prepušča pline. Magistrsko delo obravnava raziskave o različnih vplivih načina sterilizacije alginata na lastnosti hidrogelov, vpliv dodatka želatine na reološke lastnosti hidrogelov iz 2 ut. % alginata in rast celic C. reinhardtii znotraj teh hidrogelov. Prav tako zajema raziskave o vplivu celic na reologijo in količino kisika, ki so ga proizvajale celice. Po teh rezultatih so celice zelene alge zrasle do nižjih koncentracij v hidrogelih z višjimi gostotami zamrežitve in hkrati proizvajale največ kisika.

Language:Slovenian
Keywords:alginatni hidrogeli, želatina, Chlamydomonas reinhardtii, proizvodnja kisika, celjenje ran
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Technology
Year:2022
PID:20.500.12556/RUL-139609 This link opens in a new window
COBISS.SI-ID:127143683 This link opens in a new window
Publication date in RUL:06.09.2022
Views:749
Downloads:76
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Secondary language

Language:English
Title:Alginate hydrogels with collagen and green algae Chlamydomonas reinhardtii cells for accelerated wound healing
Abstract:
Adequate oxygen supply to the wound is crucial for successful healing but is limited due to the damaged local vascularization. Oxygen supply was improved by encapsulation of photosynthetically active Chlamydomonas reinhardtii cells in alginate hydrogels with added gelatin. The physically cross-linked alginate protects the cells and supplies nutrients, while the gelatine is responsible for attaching the cells to the scaffold. Hydrogels were chosen because they have a porous 3-dimensional structure that can hold large amounts of water and permeate gases. This master thesis investigates effects of different alginate sterilization methods on the properties of hydrogels, the effect of the addition of gelatin on the rheological properties of 2 % (w/w) alginate hydrogels and the growth of C. reinhardtii cells inside these hydrogels. It also includes studies on the effect of cells on the rheology and the amount of produced oxygen. According to these results, the green algae cells grew to lower concentrations in hydrogels with higher crosslinking densities and at the same time produced the most oxygen.

Keywords:alginate hydrogels, gelatin, Chlamydomonas reinhardtii, oxygen production, wound healing

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