6533b7d4fe1ef96bd126299d
RESEARCH PRODUCT
Lead(II) ions adsorption onto amyloid particulates: An in depth study
Sara AnselmoSalvatore CataldoTiziana AvolaGiuseppe SancataldoMaria Cristina D'ocaTiziana FioreNicola MuratoreMichelangelo ScopellitiAlberto PettignanoValeria Vetrisubject
IonsMetal pollutionTemperatureRemediationWaterHydrogen-Ion ConcentrationEnvironmental pollutionHydration waterSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Surfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsWater PurificationBiomaterialsKineticsColloid and Surface ChemistryBovine serum albuminLeadMetals HeavySettore CHIM/01 - Chimica AnaliticaAdsorptionAmyloid superstructuresWater Pollutants Chemicaldescription
The production of new cost-effective biocompatible sorbent sustainable materials, with natural origins, able to remove heavy metals from water resources is nowadays highly desirable in order to reduce pollution and increase clean water availability. In this context, self-assembled protein materials with amyloid structures seem to have a great potential as natural platform for a broader development of highly-tunable structures. In this work we show how protein particulates, a generic form of protein aggregates, with spherical micro sized shape can be used as adsorbents of Pb2+ ions from aqueous solution. The effect of pH, ionic medium, ionic strength and temperature of the metal ion solution on the adsorption ability and affinity has been evaluated revealing the complexity of adsorption mechanisms which are the result of the balance of specific interactions with functional groups in protein structure and not specific ones common to all polypeptide chains, and possibly related to amyloid state and to modification of particulates hydration layer.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2022-03-01 |