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Bacterial nanocellulose loaded with bromelain and nisin as a promising bioactive material for wound debridement [Elektronski vir]Jančič, Urška, 1992- ...The bacterial nanocellulose (BnC) membranes were produced extracellularly by a novel aerobic acetic acid bacterium Komagataeibacter melomenusus. The BnC was modified in situ by adding carboxymethyl ... cellulose (CMC) into the culture media, obtaining a BnC-CMC product with denser fibril arrangement, improved rehydration ratio and elasticity in comparison to BnC. The proteolytic enzyme bromelain (Br) and antimicrobial peptide nisin (N) were immobilized to BnC matrix by ex situ covalent binding and/or adsorption. The optimal Br immobilization conditions towards the maximized specific proteolytic activity were investigated by response surface methodology as factor variables. At optimal conditions, i.e., 8.8 mg/mL CMC and 10 mg/mL Br, hyperactivation of the enzyme was achieved, leading to the specific proteolytic activity of 2.3 U/mg and immobilization efficiency of 39.1 %. The antimicrobial activity was observed against Gram-positive bacteria (S. epidermidis, S. aureus and E. faecalis) for membranes with immobilized N and was superior when in situ modified BnC membranes were used. N immobilized on the BnC or BnC-CMC membranes was cytocompatible and did not cause changes in normal human dermal fibroblast cell morphology. BnC membranes perform as an efficient carrier for Br or N immobilization, holding promise in wound debridement and providing antimicrobial action against Gram-positive bacteria, respectively.Source: International journal of biological macromolecules [Elektronski vir]. - ISSN 1879-0003 (Vol. 266, part 2, [article no.] 131329, May 2024, 20 str.)Type of material - e-article ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 191447299
Author | Jančič, Urška, 1992- ... |
Title | Bacterial nanocellulose loaded with bromelain and nisin as a promising bioactive material for wound debridement [Elektronski vir] |
Publication date | 2024-04-06 |
COBISS.SI-ID | 191447299 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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Tekstilna kemija in napredni tekstilni materiali | P2-0118-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Bioaktivne, in situ modificirane, vlaknate membrane na osnovi bakterijske celuloze: procesiranje, karakterizacija in ocena uporabnosti v biomedicini | J2-2487-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Fizikalno kemijski pojavi na površinskih plasteh in uporaba nanodelcev | P2-0006-2018 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Jančič, Urška, 1992- | 50281 |
Trček, Janja | 14279 |
Vereştiuc, Liliana | |
Vukomanović, Marija | 35074 |
Gorgieva, Selestina | 32136 |
Source: Personal bibliographies
and: SICRIS
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