{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Katana B"],"funding":["Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico","Nemzeti Kutat?si Fejleszt?si ?s Innov?ci?s Hivatal","Minist?rio da Justi?a e Seguran?a P?blica","Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior"],"pagination":["6957-6965"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11264265"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["128(28)"],"pubmed_abstract":["The effect of polyphosphate (polyP) adsorption on the colloidal properties of disc-shaped laponite (LRD) particles was examined in aqueous dispersions with a focus on elucidating the interparticle forces that govern the colloidal stability of the systems. The charge and aggregation rate data of bare LRD exhibited an ionic strength-dependent trend, confirming the presence of double-layer repulsion and van der Waals attraction as major surface interactions. The charge of LRD particles significantly increased in magnitude at elevated polyP concentrations as a result of polyP adsorption and subsequent overcharging of the positively charged sites on the edges of the LRD discs. A transition from stable to unstable LRD colloids was observed with increasing polyP doses indicating the formation of "],"journal":["The journal of physical chemistry. B"],"pubmed_title":["The Impact of Polyphosphates on the Colloidal Stability of Laponite Particles."],"pmcid":["PMC11264265"],"funding_grant_id":["Finance Code 001","TKP2021-NVA-19","406079/2022-6","SNN142258","08000.012516/2019-27","309754/2022-4"],"pubmed_authors":["de Oliveira RJ","Schneider R","Katana B","Szilagyi I","Baptista J"],"additional_accession":[]},"is_claimable":false,"name":"The Impact of Polyphosphates on the Colloidal Stability of Laponite Particles.","description":"The effect of polyphosphate (polyP) adsorption on the colloidal properties of disc-shaped laponite (LRD) particles was examined in aqueous dispersions with a focus on elucidating the interparticle forces that govern the colloidal stability of the systems. The charge and aggregation rate data of bare LRD exhibited an ionic strength-dependent trend, confirming the presence of double-layer repulsion and van der Waals attraction as major surface interactions. The charge of LRD particles significantly increased in magnitude at elevated polyP concentrations as a result of polyP adsorption and subsequent overcharging of the positively charged sites on the edges of the LRD discs. A transition from stable to unstable LRD colloids was observed with increasing polyP doses indicating the formation of ","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jul","modification":"2025-06-01T01:17:39.409Z","creation":"2025-06-01T01:17:39.409Z"},"accession":"S-EPMC11264265","cross_references":{"pubmed":["38980009"],"doi":["10.1021/acs.jpcb.4c03193"]}}