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Showing results for humin oh
Your search for Hyumin Oh retrieved no results
Computational survey of humin formation from 5-(hydroxymethyl)furfural under basic conditions.
Tashiro K, Kobayashi M, Nakajima K, Taketsugu T. Tashiro K, et al. RSC Adv. 2023 May 31;13(24):16293-16299. doi: 10.1039/d3ra02870d. eCollection 2023 May 30. RSC Adv. 2023. PMID: 37266499 Free PMC article.
Based on the reaction conditions, we considered the reactions of HMF + H(2)O, HMF + OH(-), and HMF + O(2) and identified three reaction paths with <65 kJ mol(-1) barrier for the reaction of HMF + OH(-). Further, the suppression of humin formation by the ac …
Based on the reaction conditions, we considered the reactions of HMF + H(2)O, HMF + OH(-), and HMF + O(2) and identified three reacti …
Humin as an electron mediator for microbial reductive dehalogenation.
Zhang C, Katayama A. Zhang C, et al. Environ Sci Technol. 2012 Jun 19;46(12):6575-83. doi: 10.1021/es3002025. Epub 2012 May 31. Environ Sci Technol. 2012. PMID: 22582856
The function of humins is stable against treatments with H(2)O(2) (30%, 30 min), HCl (0.1 M, 48 h), NH(2)OH . ...The finding that humin, in solid form, is redox active has important implications for in situ bioremediation, given the wide distribution of hu …
The function of humins is stable against treatments with H(2)O(2) (30%, 30 min), HCl (0.1 M, 48 h), NH(2)OH . ...The finding t …
Fate of chlorpyrifos bound residues in paddy soils: Release, transformation, and phytoavailability.
Zhong J, Shen D, Li H, He Y, Bao Q, Wang W, Ye Q, Gan J. Zhong J, et al. Environ Int. 2022 Aug;166:107338. doi: 10.1016/j.envint.2022.107338. Epub 2022 Jun 9. Environ Int. 2022. PMID: 35716507 Free article.
Most (14)C-CPF-BR(in) in soils were composed of the parent CPF and its metabolite 3,5,6-trichloro-2-pyridinol (2-OH-TCP), which was mainly formed through reversible entrapment by soil fulvic acids and humin (>80%). ...The subsequent metabolism of released (14)C-C …
Most (14)C-CPF-BR(in) in soils were composed of the parent CPF and its metabolite 3,5,6-trichloro-2-pyridinol (2-OH-TCP), which was m …
Multiple Effects of Humic Components on Microbially Mediated Iron Redox Processes and Production of Hydroxyl Radicals.
Han R, Wang Z, Lv J, Zhu Z, Yu GH, Li G, Zhu YG. Han R, et al. Environ Sci Technol. 2022 Nov 15;56(22):16419-16427. doi: 10.1021/acs.est.2c03799. Epub 2022 Oct 12. Environ Sci Technol. 2022. PMID: 36223591
Here, using ferrihydrite, Shewanella oneidensis MR-1, and operationally defined SOM components including fulvic acid (FA), humic acid (HA), and humin (HM) extracted from black soil and peat, we explored the SOM-mediated microbial iron reduction and hydroxyl radical (()O …
Here, using ferrihydrite, Shewanella oneidensis MR-1, and operationally defined SOM components including fulvic acid (FA), humic acid (HA), …
Characteristics of adsorption interactions of cadmium(II) onto humin from peat soil in freshwater and seawater media.
Andreas R, Zhang J. Andreas R, et al. Bull Environ Contam Toxicol. 2014 Mar;92(3):352-7. doi: 10.1007/s00128-014-1205-x. Epub 2014 Jan 25. Bull Environ Contam Toxicol. 2014. PMID: 24464297
The present study examined Cd solubility in pH 2-12 fresh and seawater media with and without humin to determine Cd species composition. The study, based on the Langmuir-Hinshelwood kinetics model, was conducted to determine the kinetic parameters of Cd(II) adsorption onto …
The present study examined Cd solubility in pH 2-12 fresh and seawater media with and without humin to determine Cd species compositi …
Microwave-Assisted One Pot Cascade Conversion of Furfural to γ-Valerolactone over Sc(OTf)3.
Li F, Yang R, Tian Z, Du Z, Dai J, Wang X, Li N, Zhang J. Li F, et al. Chemistry. 2023 Sep 15;29(52):e202300950. doi: 10.1002/chem.202300950. Epub 2023 Aug 16. Chemistry. 2023. PMID: 37392150
This catalyst exhibits high reusability and can be regenerated by oxidative degradation of humins. In addition, a plausible cascade reaction network was proposed based on the distribution of product....
This catalyst exhibits high reusability and can be regenerated by oxidative degradation of humins. In addition, a plausible cascade r …
Retention of cobalt on a humin derived from brown coal.
Alvarez-Puebla RA, Aroca RF, Valenzuela-Calahorro C, Garrido JJ. Alvarez-Puebla RA, et al. J Hazard Mater. 2006 Jul 31;135(1-3):122-8. doi: 10.1016/j.jhazmat.2005.11.041. Epub 2006 Jan 4. J Hazard Mater. 2006. PMID: 16387430
In this work, the retention of cobalt on a humin (HU) derived from a brown coal is studied. Through a systematic and coordinated investigation of the behavior of the metal ions in solution (speciation diagrams as a function of pH) and their adsorption and precipitation pro …
In this work, the retention of cobalt on a humin (HU) derived from a brown coal is studied. Through a systematic and coordinated inve …
Modeling the adsorption and precipitation processes of Cu(II) on humin.
Alvarez-Puebla RA, Valenzuela-Calahorro C, Garrido JJ. Alvarez-Puebla RA, et al. J Colloid Interface Sci. 2004 Sep 1;277(1):55-61. doi: 10.1016/j.jcis.2004.04.031. J Colloid Interface Sci. 2004. PMID: 15276038
Humins (HU) are the most insoluble fraction of humic substances. Chemically, they can be considered as humic macromolecules bonded to the mineral matter of soil. ...When pH is 2 the retention of Cu(II), as [Cu(H(2)O)(6)](2+), is the preferred retention mechanism. The retai …
Humins (HU) are the most insoluble fraction of humic substances. Chemically, they can be considered as humic macromolecules bonded to …
Application of FeS-activated persulfate oxidation system for the degradation of tetracycline in aqueous solution.
Li H, Liu N. Li H, et al. Environ Sci Pollut Res Int. 2023 Jan;30(4):10745-10755. doi: 10.1007/s11356-022-22966-1. Epub 2022 Sep 9. Environ Sci Pollut Res Int. 2023. PMID: 36085222
From the perspective of degradation rate, apart from CO(3)(2-), TC decompositions by FeS/PS were hardly disturbed by the coexistence of different concentrations of Cl(-), NO(3)(-), SO(4)(2-), and humin acid. The degradation of TC under the O(2) bubbling, N(2) bubbling, and …
From the perspective of degradation rate, apart from CO(3)(2-), TC decompositions by FeS/PS were hardly disturbed by the coexistence of diff …
Origin of 5-hydroxymethylfurfural stability in water/dimethyl sulfoxide mixtures.
Tsilomelekis G, Josephson TR, Nikolakis V, Caratzoulas S. Tsilomelekis G, et al. ChemSusChem. 2014 Jan;7(1):117-26. doi: 10.1002/cssc.201300786. Epub 2014 Jan 10. ChemSusChem. 2014. PMID: 24408726
The results show that HMF solvation by DMSO increases its LUMO energy, which reduces its susceptibility to nucleophilic attack and minimizes undesirable hydration and humin-formation reactions. This result, together with the preferential solvation of HMF by DMSO, provide a …
The results show that HMF solvation by DMSO increases its LUMO energy, which reduces its susceptibility to nucleophilic attack and minimizes …
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