Poly-gamma glutamic acid (γ-PGA) is an anionic bacterial polymer constituted by glutamic acid residues only. It has the intrinsic ability to strongly interact with positively charged ions and flocculate them. For this reason, a large body of literature has accumulated on its application in bioremediation, particularly targeted to positively charged heavy metals. In this work, the most important characteristics of γ-PGA and of its production are summarized, highlighting the advantages, but also the limits, in its application in bioremediation.
Poly-γ-Glutamic Acid and Its Application in Bioremediation: A Critical Review
Bontà, ValeriaWriting – Original Draft Preparation
;Calvio, Cinzia
Writing – Review & Editing
2023-01-01
Abstract
Poly-gamma glutamic acid (γ-PGA) is an anionic bacterial polymer constituted by glutamic acid residues only. It has the intrinsic ability to strongly interact with positively charged ions and flocculate them. For this reason, a large body of literature has accumulated on its application in bioremediation, particularly targeted to positively charged heavy metals. In this work, the most important characteristics of γ-PGA and of its production are summarized, highlighting the advantages, but also the limits, in its application in bioremediation.File in questo prodotto:
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