科研成果

2023
Liu Y, Ding Y, Sheng A, Li X, Chen J, Arai Y, Liu J. Fe(II)-Catalyzed Transformation of Ferrihydrite with Different Degrees of Crystallinity. Environmental Science & Technology [Internet]. 2023;57:6934-6943. 访问链接
Nie M, Li X, Ding Y, Pan Y, Cai Y, Liu Y, Liu J. Effect of Stoichiometry on Nanomagnetite Sulfidation. Environmental Science and Technology [Internet]. 2023. 访问链接
2022
Li X, Sheng A, Ding Y, Liu J. A model towards understanding stabilities and crystallization pathways of iron (oxyhydr)oxides in redox-dynamic environments. Geochimica et Cosmochimica Acta [Internet]. 2022. 访问链接
Ren J, Liu Y, Cao W, Zhang L, Xu F, Liu J, Wen Y, Xiao J, Wang L, Zhuo X, et al. A process-based model for describing redox kinetics of Cr(VI) in natural sediments containing variable reactive Fe(II) species. Water Research [Internet]. 2022. 访问链接
Liu J, Sheng A, Li X, Arai Y, Ding Y, Nie M, Yan M, Rosso KM. Understanding the Importance of Labile Fe(III) during Fe(II)-Catalyzed Transformation of Metastable Iron Oxyhydroxides. Environmental Science and Technology [Internet]. 2022. 访问链接
Xia Q, Jin Q, Chen Y, Zhang L, Li X, He S, Guo D, Liu J, Dong H. Combined Effects of Fe(III)-Bearing Nontronite and Organic Ligands on Biogenic U(IV) Oxidation. Environmental Science and Technology [Internet]. 2022. 访问链接
2021
Ding Y, Sheng A, Liu F, Li X, Shang J, Liu J. Reversing the order of changes in environmental conditions alters aggregation behavior of hematite nanoparticles. [Internet]. 2021. 访问链接
Riley BJ, McCloy JS, Goel A, Liezers M, Schweiger MJ, Liu J, Rodriguez C, Kim D‐S. Crystallization of rhenium salts in a simulated low‐activity waste borosilicate glass: Erratum. ournal of the American Ceramic Society [Internet]. 2021;100(4). 访问链接
Sheng A, Liu* J, Li X, Luo L, Ding Y, Chen C, Zhang X, Wang C, Rosso KM. Labile Fe(III) supersaturation controls nucleation and properties of product phases from Fe(II)-catalyzed ferrihydrite transformation. Geochimica et Cosmochimica Acta [Internet]. 2021. 访问链接
Cheng H, Jing Z, Yang L, Lu A, Liu* J. Sunlight-triggered Synergy of Hematite and Shewanella oneidensis MR-1 in Cr(VI) Removal. Geochimica et Cosmochimica Acta [Internet]. 2021. 访问链接
2020
Sheng A, Li X, Arai Y, Ding Y, Rosso KM, Liu* J. Citrate Controls Fe(II)-Catalyzed Transformation of Ferrihydrite by Complexation of the Labile Fe(III) Intermediate. Environmental Science and Technology [Internet]. 2020. 访问链接
Lei Y, Jia M, Guo P, Liu* J, Zhai* J. MoP nanoparticles encapsulated in P-doped carbon as an efficient electrocatalyst for the hydrogen evolution reaction. Catalysis Communications [Internet]. 2020;140:106000. 访问链接
Zhou X, Kang F, Qu X, Fu H, Liu J, Alvarez PJ. Probing extracellular reduction mechanisms of Bacillus subtilis and Escherichia coli with nitroaromatic compounds. Science of the Total Environment, [Internet]. 2020;724:138291. 访问链接
Wang H, Byrne JM, Liu P, Liu J, Dong X, Lu Y. Redox cycling of Fe(II) and Fe(III) in magnetite accelerates aceticlastic methanogenesis by Methanosarcina mazei. Environmental Microbiology Reports, [Internet]. 2020;12(1):97-109. 访问链接
Sheng A, Liu J, Li X, Qafoku O, Collins RN, Jones AM, Pearce CI, Wang C, Ni J, Lu A, et al. Labile Fe(III) from sorbed Fe(II) oxidation is the key intermediate in Fe(II)-catalyzed ferrihydrite transformation. Geochimica et Cosmochimica Acta [Internet]. 2020;272:105 - 120. 访问链接Abstract
Ferrihydrite (Fh) is a major Fe(III)-(oxyhydr)oxide nanomineral distinguished by its poor crystallinity and thermodynamic metastability. While it is well known that in suboxic conditions aqueous Fe(II) rapidly catalyzes Fh transformation to more stable crystalline Fe(III) phases such as lepidocrocite (Lp) and goethite (Gt), because of the low solubility of Fe(III) the mass transfer pathways enabling these rapid transformations have remained unclear for decades. Here, using a selective extractant, we isolated and quantified a critical labile Fe(III) species, one that is more reactive than Fe(III) in Fh, formed by the oxidation of aqueous Fe(II) on the Fh surface. Experiments that compared time-dependent concentrations of solid-associated Fe(II) and this labile Fe(III) against the kinetics of phase transformation showed that its accumulation is directly related to Lp/Gt formation in a manner consistent with the classical nucleation theory. 57Fe isotope tracer experiments confirm the oxidized Fe(II) origin of labile Fe(III). The transformation pathway as well as the accelerating effect of Fe(II) can now all be explained on a unified basis of the kinetics of Fe(III) olation and oxolation reactions necessary to nucleate and sustain growth of Lp/Gt products, rates of which are greatly accelerated by labile Fe(III).
2019
Liu F, Li X, Sheng A, Shang J, Wang Z, Liu J. Kinetics and Mechanisms of Protein Adsorption and Conformational Change on Hematite Particles. Environmental Science & Technology [Internet]. 2019;53(17):10157-10165. 访问链接Abstract
Adsorption kinetics and conformational changes of a model protein, bovine serum albumin (BSA, 0.1, 0.5, or 1.0 g/L), on the surface of hematite (α-Fe2O3) particles in 39 ± 9, 68 ± 9, and 103 ± 8 nm, respectively, were measured using attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy. As the particle size increases, the amount of adsorbed BSA decreases, but the loss in the helical structure of adsorbed BSA increases due to the stronger interaction forces between adsorbed BSA and the larger particles. On 39 or 68 nm hematite particles, refolding of adsorbed BSA can be induced by protein–protein interactions, when the protein surface coverage exceeds certain critical values. Two-dimensional correlation spectroscopy (2D-COS) analysis of time-dependent ATR-FTIR spectra indicate that the increase in the amount of adsorbed BSA occurs prior to the loss in the BSA helical structure in the initial stage of adsorption processes, whereas an opposite sequence of the changes to BSA conformation and surface coverage is observed during the subsequent refolding processes. Desorption experiments show that replacing the protein solution with water can quench the refolding, but not the unfolding, of adsorbed BSA. A kinetic model was proposed to quantitatively describe the interplay of adsorption kinetics and conformational change, as well as the effects of particle size and initial protein concentration on the rate constants of elementary steps in protein adsorption onto a mineral surface.
Li X, Qin F, Chen X, Sheng A, Wang Z, Liu J. Dissolution Behavior of Isolated and Aggregated Hematite Particles Revealed by in Situ Liquid Cell Transmission Electron Microscopy. Environmental Science & Technology [Internet]. 2019. 访问链接
Peng H, Pearce CI, N'Diaye AT, Zhu Z, Ni J, Rosso KM, Liu J. Redistribution of Electron Equivalents between Magnetite and Aqueous Fe2+ Induced by a Model Quinone Compound AQDS. Environmental Science and Technology [Internet]. 2019. 访问链接
2018
刘娟∗, 盛安旭, 刘枫, 李晓旭, 琚宜文*, 刘国恒. 纳米矿物及其环境效应. 地球科学. 2018;43(5):1450-1463.PKU 
Peng H, Pearce CI, Huang W, Zhu Z*, N’Diaye AT, Rosso KM, Liu J*. Reversible Fe(II) uptake/release by magnetite nanoparticles. Environmental Science: Nano. Environmental Science: Nano [Internet]. 2018. 访问链接

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