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Title: Use of xanthan gum for whole cell immobilization and its impact in bioremediation - a review
Authors: Dzionek, Anna
Wojcieszyńska, Danuta
Guzik, Urszula
Keywords: Xanthan gum; immobilization; bioaugmentation; microorganisms; crosslinking; entrapment
Issue Date: 2022
Citation: "Bioresource Technology" (2022), art. no. 126918 (Journal Pre-proofs)
Abstract: Xanthan gum is one of the exo-polysaccharides produced by bacteria and is characterized by unique non-Newtonian properties. Its structure and conformation strongly depend on the fermentation conditions and such factors as temperature and ions concentration. The properties of the xanthan gum were appreciated in the controlled drug delivery but in the crosslinked form. Due to its ability to enhance the survival rate of immobilized bacteria, the potential of a crosslinked form is promising. Unfortunately, xanthan gum crosslinking procedures often require toxic substances or harsh environmental conditions, which cannot be used in the entrapment of living cells. In this study, we summarised a crosslinking method that could potentially be modified to reduce its toxicity to living cells. Moreover, this review also includes using xanthan gum in bioremediation studies and possible utilization methods to avoid carrier accumulation in the environment.
DOI: 10.1016/j.biortech.2022.126918
ISSN: 0960-8524
Appears in Collections:Artykuły (WNP)

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