Soluble Extracellular Polymeric Substances Produced by Parachlorella kessleri and Chlorella vulgaris: Biochemical Characterization and Assessment of Their Cadmium and Lead Sorption Abilities

In the present study, the potential of lead and cadmium removal by the extracellular polymeric substances (EPS) produced from Parachlorella kessleri and Chlorella vulgaris were investigated. Carbohydrates were the dominant components of EPS from both analyzed species. The contents of reducing sugars...

Full description

Saved in:
Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2022-10, Vol.27 (21), p.7153
Main Authors: Ciempiel, Wioleta, Czemierska, Magdalena, Szymańska-Chargot, Monika, Zdunek, Artur, Wiącek, Dariusz, Jarosz-Wilkołazka, Anna, Krzemińska, Izabela
Format: Article
Language:English
Subjects:
Algae
Amino acids
Biochemical composition
Bioremediation
Cadmium
Carbohydrates
Carbonyl compounds
Carbonyl groups
Carbonyls
Chlorella
Chlorella vulgaris
Composition
Emission analysis
Extracellular polymers
Fourier transforms
Galactose
Heavy metals
ICP-OES
Inductively coupled plasma
Mannose
Metal ions
metal removal
microalgae
Monosaccharides
Optical emission spectroscopy
Pandalus kessleri
Parachlorella kessleri
Pollution
Productivity
Proteins
Rhamnose
Sorption
Spectrometry
Sugar
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In the present study, the potential of lead and cadmium removal by the extracellular polymeric substances (EPS) produced from Parachlorella kessleri and Chlorella vulgaris were investigated. Carbohydrates were the dominant components of EPS from both analyzed species. The contents of reducing sugars, uronic acids, and amino acids were higher in EPS synthesized by C. vulgaris than in EPS from P. kessleri. The analysis of the monosaccharide composition showed the presence of rhamnose, mannose and galactose in the EPS obtained from both species. The ICP-OES (inductively coupled plasma optical emission spectrometry) analyses demonstrated that C. vulgaris EPS showed higher sorption capacity in comparison to P. kessleri EPS. The sorption capacity of C. vulgaris EPS increased with the increase in the amount of metal ions. P. kessleri EPS had a maximum sorption capacity in the presence of 100 mg/L of metal ions. The FTIR analysis demonstrated that the carboxyl, hydroxyl, and carbonyl groups of EPS play a key role in the interactions with metal ions. The present study showed C. vulgaris EPS can be used as a biosorbent in bioremediation processes due to its biochemical composition, the presence of significant amounts of negatively charged uronic acids, and higher sorption capacity.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27217153