Search Results - "Maurice, Patricia A."

Roles of Siderophores, Oxalate, and Ascorbate in Mobilization of Iron from Hematite by the Aerobic Bacterium Pseudomonas mendocina by Dehner, Carolyn A, Awaya, Jonathan D, Maurice, Patricia A, DuBois, Jennifer L

“…In aerobic, circumneutral environments, the essential element Fe occurs primarily in scarcely soluble mineral forms. We examined the independent and combined…”
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Size-Dependent Pb Sorption to Nanohematite in the Presence and Absence of a Microbial Siderophore by Barton, Lauren E, Grant, Katherine E, Kosel, Thomas, Quicksall, Andrew N, Maurice, Patricia A

“…This study focused on the effects of particle size (40, 8.6, and 3.6 nm) and the presence of the microbial ligand desferrioxamine B (DFOB) on Pb(II) sorption…”
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Size fractionation upon adsorption of fulvic acid on goethite: equilibrium and kinetic studies by Zhou, Qunhui, Maurice, Patricia A, Cabaniss, Stephen E

“…We examined adsorption equilibrium and kinetics of an aquatic fulvic acid (XAD-8 resin extract) onto goethite (α-FeOOH). Molecular weight distributions were…”
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Fractionation of aquatic natural organic matter upon sorption to goethite and kaolinite by Meier, Monique, Namjesnik-Dejanovic, Ksenija, Maurice, Patricia A, Chin, Yu-Ping, Aiken, George R

“…Natural organic matter (NOM) consists of a complex mixture of organic molecules; previous studies have suggested that preferential sorption of higher molecular…”
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Nanominerals, Mineral Nanoparticles, and Earth Systems by Hochella, Michael F., Lower, Steven K., Maurice, Patricia A., Penn, R. Lee, Sahai, Nita, Sparks, Donald L., Twining, Benjamin S.

“…Minerals are more complex than previously thought because of the discovery that their chemical properties vary as a function of particle size when smaller, in…”
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Effects of siderophores on Pb and Cd adsorption to kaolinite by Hepinstall, Sarah E, Turner, Benjamin F, Maurice, Patricia A

“…Siderophores are low molecular weight organic ligands synthesized by aerobic microorganisms to acquire Fe. In addition to Fe(III), siderophores may complex…”
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Size-Dependent Bioavailability of Hematite (α-Fe2O3) Nanoparticles to a Common Aerobic Bacterium by Dehner, Carolyn A, Barton, Lauren, Maurice, Patricia A, DuBois, Jennifer L

“…The size-dependent bioavailability of hematite (α-Fe2O3) nanoparticles to obligate aerobic Pseudomonas mendocina bacteria was examined using the natural…”
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A Log-Normal Distribution Model for the Molecular Weight of Aquatic Fulvic Acids by Cabaniss, Stephen E, Zhou, Qunhui, Maurice, Patricia A, Chin, Yu-Ping, Aiken, George R

“…The molecular weight of humic substances influences their proton and metal binding, organic pollutant partitioning, adsorption onto minerals and activated…”
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Microbially Mediated Calcium Carbonate Precipitation: Implications for Interpreting Calcite Precipitation and for Solid-Phase Capture of Inorganic Contaminants by Warren, LA, Maurice, P A, Parmar, N, Ferris, F G

“…Microbial degradation of urea was investigated as a potential geochemical catalyst for Ca carbonate precipitation and associated solid phase capture of common…”
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Accessibility of Humic-Associated Fe to a Microbial Siderophore: Implications for Bioavailability by Kuhn, Keshia M, Maurice, Patricia A, Neubauer, Elisabeth, Hofmann, Thilo, von der Kammer, Frank

“…Microorganisms in aerobic, circum-neutral environments are challenged to acquire sufficient nutrient Fe due to low solubilities of Fe oxides. To overcome this…”
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Effect of polydispersity on natural organic matter transport by Seders Dietrich, Lindsay A., McInnis, Daniel P., Bolster, Diogo, Maurice, Patricia A.

“…The mobility of humic-substance dominated natural organic matter (NOM) concentrated from a freshwater wetland by reverse osmosis was examined in sand columns…”
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Strategies of aerobic microbial Fe acquisition from Fe-bearing montmorillonite clay by Kuhn, Keshia M., DuBois, Jennifer L., Maurice, Patricia A.

“…This research investigated strategies used by the common aerobic soil bacterium Pseudomonas mendocina to acquire Fe associated with Fe(III)-bearing…”
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Ferritin and ferrihydrite nanoparticles as iron sources for Pseudomonas aeruginosa by Dehner, Carolyn, Morales-Soto, Nydia, Behera, Rabindra K., Shrout, Joshua, Theil, Elizabeth C., Maurice, Patricia A., Dubois, Jennifer L.

“…Metabolism of iron derived from insoluble and/or scarce sources is essential for pathogenic and environmental microbes. The ability of Pseudomonas aeruginosa…”
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Enhancement of Kaolinite Dissolution by an Aerobic Pseudomonas mendocina Bacterium by Maurice, P A, Vierkorn, MA, Hersman, LE, Fulghum, JE, Ferryman, A

“…This research focused on whether bacteria living in aerobic environments where Fe is often a limiting nutrient could access Fe associated with the clay mineral…”
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EXAFS analysis of cadmium(II) adsorption to kaolinite by Vasconcelos, Igor F., Haack, Elizabeth A., Maurice, Patricia A., Bunker, Bruce A.

“…The local molecular structure of Cd sorbed to kaolinite was examined with X-ray absorption fine structure spectroscopy (XAFS) over a range of pH and initial Cd…”
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Dissolved Organic Matter Concentration and Quality Influences upon Structure and Function of Freshwater Microbial Communities by Docherty, Kathryn M, Young, Katherine C, Maurice, Patricia A, Bridgham, Scott D

“…Past studies have suggested that the concentration and quality of dissolved organic matter (DOM) may influence microbial community structure. In this study, we…”
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Siderophore promoted dissolution of pyromorphite by Manecki, Maciej, Maurice, Patricia A

“…Apatite amendment to lead (Pb)-contaminated soils has been investigated in the last decade as a method of Pb remediation. Phosphate released by apatite…”
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A spectroscopic study of the effects of a microbial siderophore on Pb adsorption to kaolinite by Mishra, Bhoopesh, Haack, Elizabeth A., Maurice, Patricia A., Bunker, Bruce A.

“…Batch adsorption experiments were combined with X-ray Absorption Spectroscopy (XAS) analysis to determine the mechanism(s) whereby the microbial trihydroxamate…”
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Effects of the Microbial Siderophore DFO-B on Pb and Cd Speciation in Aqueous Solution by Mishra, Bhoopesh, Haack, Elizabeth A, Maurice, Patricia A, Bunker, Bruce A

“…This study investigates the complexation environments of aqueous Pb and Cd in the presence of the trihydroxamate microbial siderophore, desferrioxamine-B…”
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Siderophore sorption to clays by Maurice, Patricia A, Haack, Elizabeth A, Mishra, Bhoopesh

“…Siderophores are low molecular weight organic ligands exuded by some aerobic organisms and plants to acquire Fe under Fe-limited conditions. The hydroxamate…”
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