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Phospholipase D Immobilization on Lignin Nanoparticles for Enzymatic Transformation of Phospholipids
- Rossato, Letizia Anna Maria (author)
-
- Morsali, Mohammad, 1992- (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
- Ruffini, Eleonora (author)
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- Bertuzzi, Pietro (author)
- Serra, Stefano (author)
- D'Arrigo, Paola (author)
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- (creator_code:org_t)
- 2024
- 2024
- English.
- In: ChemSusChem. - 1864-5631 .- 1864-564X. ; 17:3
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Lignin nanoparticles (LNPs) are promising components for various materials, given their controllable particle size and spherical shape. However, their origin from supramolecular aggregation has limited the applicability of LNPs as recoverable templates for immobilization of enzymes. In this study, we show that stabilized LNPs are highly promising for the immobilization of phospholipase D (PLD), the enzyme involved in the biocatalytic production of high-value polar head modified phospholipids of commercial interest, phosphatidylglycerol, phosphatidylserine and phosphatidylethanolamine. Starting from hydroxymethylated lignin, LNPs were prepared and successively hydrothermally treated to obtain c-HLNPs with high resistance to organic solvents and a wide range of pH values, covering the conditions for enzymatic reactions and enzyme recovery. The immobilization of PLD on c-HLNPs (PLD-c-HLNPs) was achieved through direct adsorption. We then successfully exploited this new enzymatic preparation in the preparation of pure polar head modified phospholipids with high yields (60–90 %). Furthermore, the high stability of PLD-c-HLNPs allows recycling for a number of reactions with appreciable maintenance of its catalytic activity. Thus, PLD-c-HLNPs can be regarded as a new, chemically stable, recyclable and user-friendly biocatalyst, based on a biobased inexpensive scaffold, to be employed in sustainable chemical processes for synthesis of value-added phospholipids.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- Lignin nanoparticles
- phospholipids
- biocatalysis
- phospholipase D
- sustainability
- circular economy
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- art (subject category)
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