{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Li X"],"funding":["the Fundamental Research Funds for the Central University","National Natural Science Foundation of China","Key R&amp;D project of Shaanxi Province"],"pagination":["12118"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9566536"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["19(19)"],"pubmed_abstract":["Herein, the adsorption/desorption behaviors of benzoic acid (BA) and phthalic acid (PA) on three functionalized carbon nanotubes (CNTs) at various pH were investigated, and the charge-assisted H-bond (CAHB) was verified by DFT and FTIR analyses to play a key role. The results indicated that the adsorption order of BA and PA on CNTs was different from <i>K</i><sub>ow</sub> of that at pH 2.0, 4.0, and 7.0 caused by the CAHB interaction. The strength of homonuclear CAHB (≥78.96 kJ·mol<sup>-1</sup>) formed by BA/PA on oxidized CNTs is stronger than that of heteronuclear CAHB formed between BA/PA and amino-functionalized CNTs (≤51.66 kJ·mol<sup>-1</sup>). Compared with the heteronuclear CAHB (Hysteresis index, HI ≥ 1.47), the stronger homonuclear CAHB leads to clearly desorption hysteresis (HI "],"journal":["International journal of environmental research and public health"],"pubmed_title":["Effect of pH-Dependent Homo/Heteronuclear CAHB on Adsorption and Desorption Behaviors of Ionizable Organic Compounds on Carbonaceous Materials."],"pmcid":["PMC9566536"],"funding_grant_id":["42177202, 41703093, 4197148","GK202103138, 2021CSLY015, GK202103128","2022NY-054"],"pubmed_authors":["Li X","Liu Y","Chen Q","Du C","Zhang J","Zhang N","Jin Y","Wang Y","Xue Z","Li N"],"additional_accession":[]},"is_claimable":false,"name":"Effect of pH-Dependent Homo/Heteronuclear CAHB on Adsorption and Desorption Behaviors of Ionizable Organic Compounds on Carbonaceous Materials.","description":"Herein, the adsorption/desorption behaviors of benzoic acid (BA) and phthalic acid (PA) on three functionalized carbon nanotubes (CNTs) at various pH were investigated, and the charge-assisted H-bond (CAHB) was verified by DFT and FTIR analyses to play a key role. The results indicated that the adsorption order of BA and PA on CNTs was different from <i>K</i><sub>ow</sub> of that at pH 2.0, 4.0, and 7.0 caused by the CAHB interaction. The strength of homonuclear CAHB (≥78.96 kJ·mol<sup>-1</sup>) formed by BA/PA on oxidized CNTs is stronger than that of heteronuclear CAHB formed between BA/PA and amino-functionalized CNTs (≤51.66 kJ·mol<sup>-1</sup>). Compared with the heteronuclear CAHB (Hysteresis index, HI ≥ 1.47), the stronger homonuclear CAHB leads to clearly desorption hysteresis (HI ","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Sep","modification":"2025-04-19T06:46:03.356Z","creation":"2025-04-19T06:46:03.356Z"},"accession":"S-EPMC9566536","cross_references":{"pubmed":["36231423"],"doi":["10.3390/ijerph191912118"]}}