UV-B radiation enhances the toxicity of TiO<sub>2</sub> nanoparticles to the marine microalga <i>Chlorella pyrenoidosa</i> by disrupting the protection function of extracellular polymeric substances
Lin Zhu, Andy M. Booth, Sulan Feng, Congcong Shang, Hui Xiao, Xuexi Tang, Xuemei Sun, Xinguo Zhao, Bijuan Chen, Keming Qu, Bin Xia
Abstract
Weakened EPS protection of algal cells contributing to the increased internalization of TiO 2 nanoparticles was identified as the key mechanism for the enhanced toxicity of TiO 2 nanoparticles under UV-B irradiation.
Topics & Concepts
Chlorella pyrenoidosaInternalizationNanoparticleToxicityExtracellular polymeric substanceExtracellularChemistryIrradiationChlorellaChemical engineeringEnvironmental chemistryBiophysicsMaterials scienceNanotechnologyAlgaeBiochemistryBiologyBiofilmOrganic chemistryBotanyBacteriaCellEngineeringPhysicsGeneticsNuclear physicsNanoparticles: synthesis and applicationsAdvanced Nanomaterials in CatalysisTiO2 Photocatalysis and Solar Cells