Works (83)

Updated: October 27th, 2024 05:02

2024 journal article

Commercial compost amendments inhibit the bioavailability and plant uptake of per- and polyfluoroalkyl substances in soil-porewater-lettuce systems

ENVIRONMENT INTERNATIONAL, 186.

By: Y. Li n, Y. Zhi n, R. Weed n, S. Broome n, D. Knappe n & O. Duckworth n

author keywords: PFAS; Commercial compost; Plant uptake; Bioavailability; Soil porewater
Sources: Web Of Science, NC State University Libraries
Added: May 28, 2024

2024 journal article

Contrasting plant-induced changes in heavy metals dynamics: Implications for phytoremediation strategies in estuarine wetlands

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 279.

author keywords: Metal biogeochemistry; Macrophytes; Sea hibiscus; Phytoextraction; Phytostabilization
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 24, 2024

2024 article

Global-to-Local Dependencies in Phosphorus Mass Flows and Markets: Pathways to Improving System Resiliency in Response to Exogenous Shocks

Baker, J., Schunk, N., Scholz, M., Merck, A., Muenich, R. L., Westerhoff, P., … Mayer, B. K. (2024, May 7). ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, Vol. 5.

By: J. Baker n, N. Schunk n, M. Scholz*, A. Merck n, R. Muenich*, P. Westerhoff*, J. Elser*, O. Duckworth n ...

author keywords: food security; phosphate; resilience; recycle; reuse; supply chain; sustainable; water
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 15, 2024

2024 article

Inactivation of siderophore iron-chelating moieties by the fungal wheat root symbiont <i>Pyrenophora biseptata</i>

French, K. S., Chukwuma, E., Linshitz, I., Namba, K., Duckworth, O. W., Cubeta, M. A., & Baars, O. (2024, January 19). ENVIRONMENTAL MICROBIOLOGY REPORTS, Vol. 1.

By: K. French n, E. Chukwuma n, I. Linshitz*, K. Namba*, O. Duckworth n, M. Cubeta n, O. Baars n

UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 29, 2024

2024 article

Relationships between soil test phosphorus and county-level agricultural surplus phosphorus

Tang, Q., Duckworth, O. W., Obenour, D. R., Kulesza, S. B., Slaton, N. A., Whitaker, A. H., & Nelson, N. G. (2024, September 10). JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 9.

By: Q. Tang n, O. Duckworth n, D. Obenour n, S. Kulesza n, N. Slaton*, A. Whitaker*, N. Nelson n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 15, 2024

2024 journal article

Seasonal drives on potentially toxic elements dynamics in a tropical estuary impacted by mine tailings

JOURNAL OF HAZARDOUS MATERIALS, 474.

author keywords: Seasonal dynamics; PTE fate; PTE bioavailability; Risk modeling
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 24, 2024

2024 article

Stability of metal ion complexes with the synthetic phytosiderophore proline-2′-deoxymugineic acid

Evers, A., Kohn, J., Baars, O., Harrington, J. M., Namba, K., & Duckworth, O. W. (2024, August 28). BIOMETALS, Vol. 8.

By: A. Evers n, J. Kohn n, O. Baars n, J. Harrington*, K. Namba* & O. Duckworth n

author keywords: Soil; Siderophore; Stability constant; Extrathermodynamic relationships
Sources: Web Of Science, NC State University Libraries
Added: September 9, 2024

2024 journal article

Sugarcane straw biochar: effects of pyrolysis temperature on barite dissolution and Ba availability under flooded conditions

BIOCHAR, 6(1).

By: D. Viana, M. Soares, L. Alleoni, F. Egreja Filho, O. Duckworth* & J. Regitano

author keywords: Anoxic soil; Wetlands; Ba remediation; Redox potential; DRIFT
Sources: Web Of Science, NC State University Libraries
Added: October 21, 2024

2024 review

The phosphorus challenge: biotechnology approaches for a sustainable phosphorus system

[Review of ]. CURRENT OPINION IN BIOTECHNOLOGY, 90.

Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 8, 2024

2024 article

Tracing the Environmental Effects of Mineral Fertilizer Application with Trace Elements and Strontium Isotope Variations

Hill, R. C., Williams, G. D. Z., Wang, Z., Hu, J., El-Hasan, T., Duckworth, O. W., … Vengosh, A. (2024, May 9). ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, Vol. 5.

author keywords: Phosphate; Potash; Soil and Water Pollution; Agriculture
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: May 28, 2024

2024 journal article

Using Manganese Oxidizing Fungi to Recover Metals from Electronic Waste

MINERALS, 14(1).

By: S. Doydora n, O. Baars n, M. Cubeta n, O. Duckworth n, M. Urbieta & L. Castro

author keywords: e-waste; Mn oxidizing fungi; siderophores; metals
TL;DR: Experimental evidence is provided for the potential use of Mn oxidizing fungi in recycling and transforming e-waste metals into solid biominerals, however, optimizing fungal growth conditions with e-waste is needed to improve the efficiency of metal recovery. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 1, 2024

2023 journal article

Evidence for the accumulation of toxic metal(loid)s in agricultural soils impacted from long-term application of phosphate fertilizer

SCIENCE OF THE TOTAL ENVIRONMENT, 907.

By: J. Hu*, Z. Wang*, G. Williams*, G. Dwyer*, L. Gatiboni n, O. Duckworth n, A. Vengosh*

author keywords: Phosphate fertilizers; Trace metals; Soil contamination; Topsoil accumulation; Sequential leaching; Cadmium; Uranium
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 18, 2023

2023 journal article

Perspective: Phosphorus monitoring must be rooted in sustainability frameworks spanning material scale to human scale

WATER RESEARCH X, 19.

author keywords: Phosphate; Cyber-physical systems; Sensor; Decision support
Sources: Web Of Science, NC State University Libraries
Added: July 24, 2023

2023 journal article

Pyrolysis temperature and biochar redox activity on arsenic availability and speciation in a sediment

JOURNAL OF HAZARDOUS MATERIALS, 460.

By: M. Soares n, O. Duckworth n, M. Styblo*, P. Cable* & L. Alleoni*

author keywords: Arsenic methylation; Spatial variability; TOF-SIMS; DMA; MMA
Sources: Web Of Science, NC State University Libraries
Added: October 10, 2023

2023 journal article

The BESST REU: Promoting soil science learning and shifts in attitudes toward science

Natural Sciences Education.

By: A. Overbay, O. Duckworth n & J. Heitman n

Source: ORCID
Added: August 1, 2024

2022 journal article

Bringing soil chemistry to environmental health science to tackle soil contaminants

FRONTIERS IN ENVIRONMENTAL SCIENCE, 10.

By: O. Duckworth*, M. Polizzotto & A. Thompson

author keywords: contamination; bioavailability; transdisciplinary; cross-disciplinary; collaboration; exposure
Sources: Web Of Science, NC State University Libraries
Added: October 11, 2022

2022 journal article

Mechanisms of orthophosphate removal from water by lanthanum carbonate and other lanthanum-containing materials

SCIENCE OF THE TOTAL ENVIRONMENT, 820.

By: Y. Zhi n, A. Paterson n, D. Call n, J. Jones n, D. Hesterberg n, O. Duckworth n, E. Poitras*, D. Knappe n

Contributors: Y. Zhi n, A. Paterson n, D. Call n, J. Jones n, D. Hesterberg n, O. Duckworth n, E. Poitras*, D. Knappe n

author keywords: Lanthanum containing material; Lanthanum carbonate; Phosphorus removal; Wastewater treatment; Mineral precipitation
MeSH headings : Adsorption; Lanthanum / chemistry; Phosphates / chemistry; Water; Water Pollutants, Chemical
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 4, 2022

2022 journal article

The role of dissolved pyrogenic carbon from biochar in the sorption of As (V) in biogenic iron (oxyhydr)oxides

SCIENCE OF THE TOTAL ENVIRONMENT, 865.

By: M. Soares n, O. Duckworth n & L. Alleoni*

author keywords: Biogenic oxides; Bidentate complexes; Biominerals; Dissolved organic carbon; X-ray absorption spectroscopy
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 30, 2023

2022 review

Towards Understanding Factors Affecting Arsenic, Chromium, and Vanadium Mobility in the Subsurface

[Review of ]. WATER, 14(22).

author keywords: geogenic contaminants; hydrogeochemistry; speciation; mechanistic modeling
Sources: Web Of Science, NC State University Libraries
Added: December 12, 2022

2021 journal article

Influence of natural organic matter and pH on phosphate removal by and filterable lanthanum release from lanthanum-modified bentonite

Water Research, 202, 117399.

By: Y. Zhi n, D. Call n, K. Grieger n, O. Duckworth n, J. Jones n & D. Knappe n

Contributors: Y. Zhi n, D. Call n, K. Grieger n, O. Duckworth n, J. Jones n & D. Knappe n

author keywords: Eutrophication; Lake restoration; Lanthanum release; Humic and fulvic acid; Phosphate management
MeSH headings : Bentonite; Hydrogen-Ion Concentration; Lakes; Lanthanum; Phosphates; Phosphorus
TL;DR: The results indicate that the PO4-binding ability of LMB is decreased in the presence of NOM, and the decrease is more pronounced at pH 8.5 than at 6.5, which provides an important basis for management of P in lakes and eutrophication control that relies on LMB applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: September 20, 2021

2021 article

Salicylate coordination in metal-protochelin complexes

Doydora, S. A., Baars, O., Harrington, J. M., & Duckworth, O. W. (2021, November 27). BIOMETALS, Vol. 11.

By: S. Doydora n, O. Baars n, J. Harrington* & O. Duckworth n

author keywords: Siderophore; Molybdophore; Coordination chemistry; Trace metals
MeSH headings : Coordination Complexes / chemistry; Molybdenum / chemistry; Salicylates; Siderophores / chemistry; Trace Elements
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: December 6, 2021

2021 journal article

The structure of natural biogenic iron (oxyhydr)oxides formed in circumneutral pH environments

GEOCHIMICA ET COSMOCHIMICA ACTA, 308, 237–255.

By: A. Whitaker n, R. Austin n, K. Holden n, J. Jones n, F. Michel*, D. Peak*, A. Thompson*, O. Duckworth n

author keywords: Ferrihydrite; Structure; X-ray spectroscopy; X-ray Scattering; Mossbauer spectroscopy; Iron oxidizing bacteria; Environmental minerology
TL;DR: Biogenic iron (Fe) (oxyhydr)oxides (BIOS) formed in circumneutral pH waters are poorly ordered and more environmentally stable than 2LFh and intimately mixed with organic matter. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 4, 2021

2020 journal article

Accessing Legacy Phosphorus in Soils

Soil Systems, 4(4), 74.

author keywords: legacy phosphorus; speciation; transformation; accessibility
Sources: ORCID, Crossref, NC State University Libraries
Added: December 23, 2020

2020 review

Emerging lanthanum (III)-containing materials for phosphate removal from water: A review towards future developments

[Review of ]. ENVIRONMENT INTERNATIONAL, 145.

By: Y. Zhi n, C. Zhang n, R. Hjorth*, A. Baun*, O. Duckworth n, D. Call n, D. Knappe n, J. Jones n, K. Grieger n

Contributors: Y. Zhi n, C. Zhang n, R. Hjorth*, A. Baun*, O. Duckworth n, D. Call n, D. Knappe n, J. Jones n, K. Grieger n

author keywords: Lanthanum; Lanthanum-containing materials; Phosphate; Surface water restoration; Eutrophication control; Phosphorus inactivation
MeSH headings : Adsorption; Kinetics; Lanthanum; Phosphates; Prospective Studies; Water; Water Pollutants, Chemical
TL;DR: The main benefits of lanthanum (III)-containing materials for phosphate removal are their ability to strongly bind phosphate under diverse environmental conditions and their ability for long-term exposures on ecological organisms, particularly primary producers and benthic organisms. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 21, 2020

2020 journal article

Extraction and Detection of Structurally Diverse Siderophores in Soil

FRONTIERS IN MICROBIOLOGY, 11.

By: V. Rai n, N. Fisher n, O. Duckworth n & O. Baars n

author keywords: siderophores; extraction; recovery; iron; soil; adsorption; alpha-hydroxycarboxylate; catecholate
TL;DR: Using the optimized extraction method, α-hydroxycarboxylate type siderophores were detected in soil for the first time and concentrations reached 461 pmol g–1, suggesting a yet unrecognized importance of α- Hydroxamate desferrioxamine B and rhizoferrin for biological interactions and biogeochemical processes in soil. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: October 26, 2020

2020 journal article

Rhizobium leguminosarum strain combination effects on nodulation and biological nitrogen fixation with Vicia villosa

APPLIED SOIL ECOLOGY, 156.

By: W. Roper*, O. Duckworth n, J. Grossman* & D. Israel n

author keywords: Rhizobia; Nitrogen fixation; Vicia villosa; Legume; Root nodule; Hairy vetch
TL;DR: Because vetch inoculated with local Rlv strains produced similar amounts of N as uninoculated plants fertilized with N, this work suggests that rhizobia sourced from local soils may produce sufficient BNF with vetch. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: September 14, 2020

2020 journal article

Soil and Water Iron Microbes in North Carolina (SWIMNC) Outreach: Positive Impact of Combining Classroom and Field Experiences to Promote Learning and Shift Attitudes

Frontiers in Education.

By: M. Andrews n, A. Whitaker n, T. Sowers n & O. Duckworth n

Source: ORCID
Added: August 1, 2024

2020 journal article

Spatially Resolved Organomineral Interactions across a Permafrost Chronosequence

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 54(5), 2951–2960.

MeSH headings : Alaska; Carbon; Ferric Compounds; Permafrost; Soil
TL;DR: Results indicate Fe(III), Fe(II), and mixed valence phases associated with OM throughout diverse permafrost environments, suggesting organomineral complexation is crucial to predict C stability aspermafrost systems warm. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 23, 2020

2019 journal article

Sorption of copper and phosphate to diverse biogenic iron (oxyhydr) oxide deposits

SCIENCE OF THE TOTAL ENVIRONMENT, 697.

By: H. Field n, A. Whitaker n, J. Henson n & O. Duckworth n

author keywords: Sorption; Metals; Copper; Biominerals; Iron (Oxyhydr)oxides; Phosphate
MeSH headings : Adsorption; Copper / chemistry; Iron / chemistry; Models, Chemical; Organic Chemicals; Oxidation-Reduction; Oxides; Phosphates / chemistry
TL;DR: Results suggest that the physical and chemical characteristics of organic and Fe(III) (oxyhydr)oxide phases in BIOS interplay to control the sorption of solutes, and thus influence nutrient and contaminant cycling in soil and natural waters. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 30, 2019

2018 journal article

Chemical variability of sediment and groundwater in a Pleistocene aquifer of Cambodia: Implications for arsenic pollution potential

GEOCHIMICA ET COSMOCHIMICA ACTA, 245, 441–458.

By: E. Gillispie n, A. Matteson n, O. Duckworth n, R. Neumann*, N. Phen* & M. Polizzotto n

Contributors: E. Gillispie n, A. Matteson n, O. Duckworth n, R. Neumann*, N. Phen* & M. Polizzotto n

author keywords: Arsenic; Manganese; Iron; Redox; Pleistocene aquifer; Geogenic and allogenic contamination
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 7, 2019

2018 journal article

Cr(VI) uptake and reduction by biogenic iron (oxyhydr)oxides

Environmental Science: Processes and Impacts, 20(7), 1056–1068.

Contributors: A. Whitaker n, J. Peña*, M. Amor* & O. Duckworth n

MeSH headings : Adsorption; Carcinogens, Environmental / chemistry; Chelating Agents / chemistry; Chromium / chemistry; Ferric Compounds / chemistry; Kinetics; Oxidation-Reduction; Soil Pollutants / chemistry; Water Pollutants, Chemical / chemistry
TL;DR: The redox transformation of mobile Cr(vi) to less soluble Cr(iii) species observed in this study implies that biogenic Fe (oxyhydr)oxides in soils and natural waters may naturally attenuate Cr(ii) concentrations through sorption and reduction processes, thus limiting its transport to downstream environments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: ORCID
Added: February 6, 2019

2018 journal article

Cu, Pb, and Zn Sorption to Biogenic Iron (Oxyhydr)Oxides Formed in Circumneutral Environments

SOIL SYSTEMS, 2(2).

By: A. Whitaker n & O. Duckworth n

author keywords: BIOS; ferrihydrite; copper; lead; zinc; sorption; X-ray absorption spectroscopy (XAS); binding mechanisms
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 31, 2018

2017 journal article

A two-column flash chromatography approach to pyoverdin production from Pseudomonas putida GB1

JOURNAL OF MICROBIOLOGICAL METHODS, 135, 11–13.

By: O. Duckworth n, D. Markarian n, D. Parker* & J. Harrington*

Contributors: O. Duckworth n, D. Markarian n, D. Parker* & J. Harrington*

author keywords: Siderophores; Purification; Flash chromatography
MeSH headings : Chromatography / instrumentation; Chromatography / methods; Mass Spectrometry; Oligopeptides / chemistry; Oligopeptides / isolation & purification; Pseudomonas putida / metabolism; Siderophores / chemistry; Siderophores / isolation & purification
TL;DR: A modified procedure for the low-cost, mg-scale purification of pyoverdin-type siderophores using a dual-flash chromatography (reverse-phase absorption and size exclusion) approach is described. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Assessing Biomineral Formation by Iron-oxidizing Bacteria in a Circumneutral Creek

JOURNAL OF CONTEMPORARY WATER RESEARCH & EDUCATION, 160(1), 60–71.

By: N. Almaraz n, A. Whitaker n, M. Andrews n & O. Duckworth n

author keywords: iron (hydr)oxides; water chemistry; neutrophilic; gradient tubes; iron oxidation; groundwater
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Chemical Speciation of Potentially Toxic Trace Metals in Coal Fly Ash Associated with the Kingston Fly Ash Spill

ENERGY & FUELS, 31(9), 9652–9659.

By: N. Rivera n, D. Hesterberg n, N. Kaur n & O. Duckworth n

Contributors: N. Rivera n, D. Hesterberg n, N. Kaur n & O. Duckworth n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 article

Commentary on "A possible trade-off between clean air and clean water" by Smith et al. (2017)

JOURNAL OF SOIL AND WATER CONSERVATION, Vol. 72, pp. 121A–122A.

By: W. Robarge n, O. Duckworth n, D. Osmond n, J. Smyth n & M. River n

Contributors: W. Robarge n, O. Duckworth n, D. Osmond n, J. Smyth n & M. River n

Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Periphyton uptake and trophic transfer of coal fly-ash-derived trace elements

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY, 36(11), 2991–2996.

By: S. Scheibener n, N. Rivera*, D. Hesterberg n, O. Duckworth n & D. Buchwalter n

Contributors: S. Scheibener n, N. Rivera*, D. Hesterberg n, O. Duckworth n & D. Buchwalter n

author keywords: Coal ash; Trace element; Periphyton; Mayfly; Accumulation
MeSH headings : Animals; Bioreactors; Coal Ash / chemistry; Ephemeroptera / metabolism; Food Chain; Hydrogen-Ion Concentration; Periphyton; Trace Elements / analysis; Water Pollutants, Chemical / toxicity
TL;DR: To determine whether the bioavailability of trace elements derived from coal ash leachates varies with the geochemical conditions associated with their formation, periphyton bioaccumulation and subsequent trophic transfer to the mayfly Neocloeon triangulifer was quantified. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Revisiting Graduate Student Training to Address Agricultural and Environmental Societal Challenges

Agricultural & Environmental Letters, 2(1), 170019.

By: O. Duckworth n, M. Andrews n, M. Cubeta n, A. Grunden n & P. Ojiambo n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018

2017 journal article

Siderophore and Organic Acid Promoted Dissolution and Transformation of Cr(III)-Fe(III)-(oxy)hydroxides

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 51(6), 3223–3232.

By: E. Saad*, J. Sun*, S. Chen*, O. Borkiewicz*, M. Zhu*, O. Duckworth n, Y. Tang*

Contributors: E. Saad*, J. Sun*, S. Chen*, O. Borkiewicz*, M. Zhu*, O. Duckworth n, Y. Tang*

MeSH headings : Chromium; Ferric Compounds; Hydroxides; Iron; Oxidation-Reduction; Siderophores; Solubility
TL;DR: The presence of microbial exudates can promote the release of Cr(III) from remediation products via both ligand complexation and increased solid solubility. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

A universal assay for the detection of siderophore activity in natural waters

BIOMETALS, 29(6), 1085–1095.

By: M. Andrews n & O. Duckworth n

Contributors: M. Andrews n & O. Duckworth n

author keywords: Siderophores; Environmental assay; Metal uptake; Biogeochemistry
MeSH headings : Colorimetry / methods; Hydroxybenzoates / chemistry; Iron / chemistry; Osmolar Concentration; Rivers / chemistry; Sensitivity and Specificity; Siderophores / analysis; Spectrophotometry, Ultraviolet / methods; Water / analysis
TL;DR: A high sensitivity modification of this universal assay (HS-CAS) suitable for detecting and quantifying siderophore activity in the nM concentration range is presented, allowing for direct quantitation of siderophile reactivity in transparent aqueous samples. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Digital image quantification of siderophores on agar plates

Data in Brief, 6, 890–898.

By: M. Andrews n, C. Santelli* & O. Duckworth n

Contributors: M. Andrews n, C. Santelli* & O. Duckworth n

TL;DR: Visual image data and detailed methodology for the use of a new method for quantifying the exudation of siderophores during fungal growth are presented and protocols for making CAS assay layer plates are provided. (via Semantic Scholar)
Source: ORCID
Added: February 5, 2019

2016 journal article

Morphology, structure, and metal binding mechanisms of biogenic manganese oxides in a superfund site treatment system

ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS, 19(1), 50–58.

By: O. Duckworth n, N. Rivera n, T. Gardner n, M. Andrews n, C. Santelli* & M. Polizzotto n

Contributors: O. Duckworth n, N. Rivera n, T. Gardner n, M. Andrews n, C. Santelli* & M. Polizzotto n

MeSH headings : Biofilms; Environmental Pollutants / chemistry; Environmental Restoration and Remediation / methods; Fungi / chemistry; Fungi / metabolism; Manganese Compounds / chemistry; Manganese Compounds / metabolism; Metals / chemistry; Microscopy, Electron, Scanning; Oxidation-Reduction; Oxides / chemistry; Oxides / metabolism; X-Ray Absorption Spectroscopy; X-Ray Diffraction
TL;DR: The results indicate that Mn oxides produced by organisms in the system may effectively scavenge metals, thus highlighting the potential utility of these organisms in designed remediation systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Soil Weathering as an Engine for Manganese Contamination of Well Water

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 50(18), 9963–9971.

By: E. Gillispie n, R. Austin n, N. Rivera n, R. Bolich*, O. Duckworth n, P. Bradley*, A. Amoozegar n, D. Hesterberg n, M. Polizzotto n

Contributors: E. Gillispie n, R. Austin n, N. Rivera n, R. Bolich*, O. Duckworth n, P. Bradley*, A. Amoozegar n, D. Hesterberg n, M. Polizzotto n

MeSH headings : Environmental Monitoring; Groundwater / chemistry; Manganese; Soil; Water; Water Pollutants, Chemical
TL;DR: It is proposed that natural pedogenetic and hydrogeochemical processes couple to export Mn from the near-surface to fractured-bedrock aquifers within the Piedmont, and integrated soil- bedrock-system analyses are needed to predict and manage Mn in drinking-water wells. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Sorption of arsenic to biogenic iron (oxyhydr)oxides produced in circumneutral environments

GEOCHIMICA ET COSMOCHIMICA ACTA, 198, 194–207.

By: T. Sowers n, J. Harrington*, M. Polizzotto n & O. Duckworth n

Contributors: T. Sowers n, J. Harrington*, M. Polizzotto n & O. Duckworth n

author keywords: Arsenic; Ferrihydrite; Biogenic Oxides; Sorption
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

A Comparison of the Sorption Reactivity of Bacteriogenic and Mycogenic Mn Oxide Nanoparticles

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 49(7), 4200–4208.

By: B. Droz n, N. Dumas*, O. Duckworth n & J. Pena*

Contributors: B. Droz n, N. Dumas*, O. Duckworth n & J. Peña*

MeSH headings : Adsorption; Agaricales / growth & development; Agaricales / metabolism; Biomass; Kinetics; Manganese Compounds / chemistry; Molecular Structure; Nanoparticles / chemistry; Nickel / chemistry; Oxidation-Reduction; Oxides / chemistry; Pseudomonas putida / growth & development; Pseudomonas putida / metabolism; Spectroscopy, Fourier Transform Infrared; Surface Properties
TL;DR: It is found that mycogenic MnO2 could support a significantly lower quantity of Ni sorbed via inner-sphere coordination at vacancy sites than the bacteriogenic Mn O2, and the vacancy content, which appears to increase with the kinetics of MnO1 precipitation, exerts significant control on biomineral reactivity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Layer plate CAS assay for the quantitation of siderophore production and determination of exudation patterns for fungi

JOURNAL OF MICROBIOLOGICAL METHODS, 121, 41–43.

By: M. Andrews n, C. Santelli* & O. Duckworth n

Contributors: M. Andrews n, C. Santelli* & O. Duckworth n

author keywords: Siderophores; CAS assay; Quantitative assay; Fungi
MeSH headings : Agar / chemistry; Culture Media; Fungi / growth & development; Fungi / metabolism; Humans; Hydroxybenzoates / chemistry; Indicators and Reagents / chemistry; Microbiological Techniques / methods; Mycology / methods; Siderophores / biosynthesis
TL;DR: A modified version of the CAS assay is described that is suitable for quantifying siderophore exudation for microorganisms, including fungi. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Soil Pollution Due to Irrigation with Arsenic-Contaminated Groundwater: Current State of Science

Current Pollution Reports, 1(1).

By: E. Gillispie n, T. Sowers n, O. Duckworth n & M. Polizzotto n

Contributors: E. Gillispie n, T. Sowers n, O. Duckworth n & M. Polizzotto n

author keywords: Arsenic; Soil; Irrigation; Crops; Human health; Mitigation
Source: ORCID
Added: February 6, 2019

2015 article

The fate of siderophores: antagonistic environmental interactions in exudate-mediated micronutrient uptake

Harrington, J. M., Duckworth, O. W., & Haselwandter, K. (2015, June). BIOMETALS, Vol. 28, pp. 461–472.

By: J. Harrington*, O. Duckworth n & K. Haselwandter*

Contributors: J. Harrington*, O. Duckworth n & K. Haselwandter*

author keywords: Siderophores; Biogeochemistry; Iron acquisition; Rhizosphere; Micronutrient uptake
MeSH headings : Biological Transport; Micronutrients / metabolism; Minerals / metabolism; Siderophores / metabolism; Trace Elements / metabolism
TL;DR: A complete understanding of the factors that contribute to metal uptake in nature will require a concerted effort to study processes identified in laboratory systems in the context of more complicated environmental systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Transport of dissolved polyacrylamide through a clay loam soil

GEODERMA, 243, 108–114.

By: J. Kang, R. McLaughlin n, A. Amoozegar n, J. Heitman n & O. Duckworth n

Contributors: J. Kang, R. McLaughlin n, A. Amoozegar n, J. Heitman n & O. Duckworth n

author keywords: Leaching; Polyacrylamide; Solute transport; Hydraulic conductivity; Pore size distribution
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Chemical Composition, Speciation, and Elemental Associations in Coal Fly Ash Samples Related to the Kingston Ash Spill

ENERGY & FUELS, 29(2), 954–967.

By: N. Rivera n, N. Kaur n, D. Hesterberg n, C. Ward*, R. Austin n & O. Duckworth n

Contributors: N. Rivera n, N. Kaur n, D. Hesterberg n, C. Ward*, R. Austin n & O. Duckworth n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Metal oxyhydroxide dissolution as promoted by structurally diverse siderophores and oxalate

GEOCHIMICA ET COSMOCHIMICA ACTA, 141, 258–269.

By: M. Akafia n, J. Harrington n, J. Bargar* & O. Duckworth n

Contributors: M. Akafia n, J. Harrington n, J. Bargar* & O. Duckworth n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Metallophores and Trace Metal Biogeochemistry

AQUATIC GEOCHEMISTRY, 21(2-4), 159–195.

Contributors: S. Kraemer*, O. Duckworth n, J. Harrington* & W. Schenkeveld*

author keywords: Metallophore; Siderophore; Trace metals; Nutrient uptake
TL;DR: An overview of the current state of knowledge on the biogeochemistry of metallophores in trace metal acquisition is provided, and established and potential meetallophore systems are explored. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Siderophore-promoted dissolution of chromium from hydroxide minerals

ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS, 16(6), 1348–1359.

By: O. Duckworth n, M. Akafia n, M. Andrews n & J. Bargar*

Contributors: O. Duckworth n, M. Akafia n, M. Andrews n & J. Bargar*

MeSH headings : Chromium / chemistry; Environmental Pollutants / chemistry; Hydrogen-Ion Concentration; Hydroxides / chemistry; Minerals / chemistry; Models, Chemical; Siderophores / chemistry; Solubility
TL;DR: A series of dissolution experiments were conducted to quantify the dissolution rates of Cr(iii)(OH)3 in the presence of hydroxamate, catecholate, and α-hydroxycarboxylate siderophores over a range of environmentally relevant pH values, suggesting a ligand-promoted dissolution mechanism at alkaline pH. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Dissolution of phosphorus into pore-water flowing through an organic soil

GEODERMA, 197, 51–58.

By: S. Abit*, M. Vepraskas n, O. Duckworth n & A. Amoozegar n

Contributors: S. Abit*, M. Vepraskas n, O. Duckworth n & A. Amoozegar n

author keywords: Wetland restoration; Phosphorus dissolution; Iron reduction; Dissolved organic carbon; Capillary fringe
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Quantum mechanical investigation of aqueous desferrioxamine B metal complexes: Trends in structure, binding, and infrared spectroscopy

JOURNAL OF INORGANIC BIOCHEMISTRY, 129, 150–161.

By: B. Kruft*, J. Harrington n, O. Duckworth n & A. Jarzecki

Contributors: B. Kruft*, J. Harrington n, O. Duckworth n & A. Jarzȩcki*

author keywords: Desferrioxamine B metal complexes; DFT calculations; EXAFS spectra; Vibrational spectra; Binding constants
MeSH headings : Deferoxamine / chemistry; Metals / chemistry; Models, Molecular; Molecular Structure; Spectrophotometry, Infrared
TL;DR: The results shed light on the fundamental structural and electronic factors that control metal binding by siderophores, and drive their potentially rich and largely unexplored interactions with trace metals. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Turbidimetric Determination of Anionic Polyacrylamide in Low Carbon Soil Extracts

JOURNAL OF ENVIRONMENTAL QUALITY, 42(6), 1902–1907.

By: J. Kang n, T. Sowers n, O. Duckworth n, A. Amoozegar n, J. Heitman n & R. McLaughlin n

Contributors: J. Kang n, T. Sowers n, O. Duckworth n, A. Amoozegar n, J. Heitman n & R. McLaughlin n

TL;DR: The results suggest that the hyamine test could be an efficient method for quantifying PAM in environmental soil water samples as long as the organic carbon in the sample is low, such as in subsurface soil material often exposed at construction sites. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Hydronium-Promoted Equilibrium Mechanism for the Alkali Metal Cation Exchange Reaction in Na-4-Mica

JOURNAL OF PHYSICAL CHEMISTRY C, 116(35), 18678–18683.

By: M. Park*, H. Kim*, K. Kim*, O. Duckworth n & S. Komarneni*

Contributors: M. Park*, H. Kim*, K. Kim*, O. Duckworth n & S. Komarneni*

Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Relationships Between Nitrogen Transformation Rates and Gene Abundance in a Riparian Buffer Soil

Environmental Management, 50(5), 861–874.

By: L. Wu n, D. Osmond n, A. Graves n, M. Burchell n & O. Duckworth n

Contributors: L. Wu n, D. Osmond n, A. Graves n, M. Burchell n & O. Duckworth n

author keywords: Riparian buffer; Nitrogen; Denitrification; Quantitative PCR; Nitrous oxide; Nitrate
MeSH headings : Denitrification; Nitrates / analysis; Nitrates / metabolism; Nitrogen / analysis; Nitrogen / metabolism; Nitrous Oxide / analysis; Nitrous Oxide / metabolism; Polymerase Chain Reaction; Soil / analysis
TL;DR: The results suggest that low-molecular mass organic species are more effective at promoting nitrogen transformations than large biopolymers or humic substances, and also help to link genetic potential to chemical reactivity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2012 journal article

Structural dependence of Mn complexation by siderophores: Donor group dependence on complex stability and reactivity

GEOCHIMICA ET COSMOCHIMICA ACTA, 88, 106–119.

By: J. Harrington n, D. Parker*, J. Bargar*, A. Jarzecki, B. Tebo*, G. Sposito*, O. Duckworth n

Contributors: J. Harrington n, D. Parker*, J. Bargar*, A. Jarzecki, B. Tebo*, G. Sposito*, O. Duckworth n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Trace metal complexation by the triscatecholate siderophore protochelin: structure and stability

BIOMETALS, 25(2), 393–412.

By: J. Harrington n, J. Bargar*, A. Jarzecki, J. Roberts n, L. Sombers n & O. Duckworth n

Contributors: J. Harrington n, J. Bargar*, A. Jarzecki, J. Roberts n, L. Sombers n & O. Duckworth n

author keywords: Siderophores; Catechol; Iron; Manganese; Cobalt; Complexation
MeSH headings : Coordination Complexes / chemistry; Hydrogen-Ion Concentration; Oxidation-Reduction; Siderophores / chemistry; Solubility; Trace Elements / chemistry; Trace Elements / metabolism
TL;DR: The solution chemistry of protochelin and its complexes with environmentally relevant trace metals is probed to better understand its effect on metal uptake and cycling and the role of catecholate siderophores in environmental trace metal cycling and intracellular metal release is discussed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2010 journal article

Siderophore-promoted dissolution of cobalt from hydroxide minerals

GEOCHIMICA ET COSMOCHIMICA ACTA, 74(10), 2915–2925.

By: Y. Bi n, D. Hesterberg n & O. Duckworth n

Contributors: Y. Bi n, D. Hesterberg n & O. Duckworth n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2010 journal article

Synergistic Dissolution of Manganese Oxides as Promoted by Siderophores and Small Organic Acids

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 74(6), 2021–2031.

By: L. Saal n & O. Duckworth n

Contributors: L. Saal n & O. Duckworth n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Coupled biogeochemical cycling of iron and manganese as mediated by microbial siderophores

BIOMETALS, 22(4), 605–613.

By: O. Duckworth n, J. Bargar* & G. Sposito*

Contributors: O. Duckworth n, J. Bargar* & G. Sposito*

author keywords: Dissolution; Ligand exchange; Sorption; Siderophore; Iron; Manganese
MeSH headings : Bacteria / metabolism; Iron / metabolism; Manganese / metabolism; Molecular Structure; Siderophores / chemistry; Siderophores / metabolism
TL;DR: The major biogeochemical mechanisms by which Fe and Mn may interact through reactions with microbial siderophores are evaluated: competition for a limited pool of siders, sorption of siderophile complexes to mineral surfaces, and competitive metal-siderophore complex formation through parallel mineral dissolution pathways. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Hydroxamate siderophore-promoted reactions between iron(II) and nitroaromatic groundwater contaminants

GEOCHIMICA ET COSMOCHIMICA ACTA, 73(5), 1297–1311.

By: D. Kim*, O. Duckworth n & T. Strathmann*

Contributors: D. Kim*, O. Duckworth n & T. Strathmann*

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Reactions of aqueous iron-DFOB (desferrioxamine B) complexes with flavin mononucleotide in the absence of strong iron(II) chelators

GEOCHIMICA ET COSMOCHIMICA ACTA, 74(5), 1513–1529.

By: D. Kim*, O. Duckworth n & T. Strathmann*

Contributors: D. Kim*, O. Duckworth n & T. Strathmann*

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

The exceptionally stable cobalt(III)-desferrioxamine B complex

MARINE CHEMISTRY, 113(1-2), 114–122.

By: O. Duckworth n, J. Bargar*, A. Jarzecki, O. Oyerinde*, T. Spiro* & G. Sposito*

Contributors: O. Duckworth n, J. Bargar*, A. Jarzecki, O. Oyerinde*, T. Spiro* & G. Sposito*

author keywords: Biogeochemistry; Cobalt; Iron; Chelates; Siderophores; Speciation
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

The fungal-mineral interface: Challenges and considerations of micro-analytical developments

Fungal Biology Reviews, 23(4), 122–131.

By: M. Smits*, A. Herrmann*, M. Duane*, O. Duckworth n, S. Bonneville*, L. Benning*, U. Lundström*

Contributors: M. Smits*, A. Herrmann*, M. Duane*, O. Duckworth n, S. Bonneville*, L. Benning*, U. Lundström*

TL;DR: Modern microscopy, spectroscopy, mass spectrometry, wet chemistry, and scattering techniques allow for the selective extraction of physical, chemical, and structural data at the micro- to nano-scale and offer exciting possibilities to study fungal–mineral interactions at the scale of individual hyphae. (via Semantic Scholar)
Source: ORCID
Added: February 5, 2019

2008 journal article

Biogeochemistry of iron oxidation in a circumneutral freshwater habitat

CHEMICAL GEOLOGY, 260(3-4), 149–158.

By: O. Duckworth n, S. Holmstroem, J. Pena* & G. Sposito*

Contributors: O. Duckworth n, S. Holmström*, J. Peña* & G. Sposito*

author keywords: Iron oxide; Biomineral; Siderophores; Organic acids; Neutrophilic iron oxidizing bacteria; Circumneutral iron oxidation
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Quantitative Structure-Activity Relationships for Aqueous Metal-Siderophore Complexes

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 43(2), 343–349.

By: O. Duckworth n, J. Bargar n & G. Sposito n

Contributors: O. Duckworth n, J. Bargar n & G. Sposito n

MeSH headings : Metals / chemistry; Models, Chemical; Oxygen / chemistry; Quantitative Structure-Activity Relationship; Siderophores / chemistry; Spectrum Analysis; Water / chemistry
TL;DR: The derived structure-activity relationships not only quantitatively relate the measured physical architecture of aqueous complexes to their observed stability but also allow for the prediction of siderophore-metal stability constants. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Sorption of ferric iron from ferrioxamine B to synthetic and biogenic layer type manganese oxides

GEOCHIMICA ET COSMOCHIMICA ACTA, 72(14), 3371–3380.

By: O. Duckworth n, J. Bargar* & G. Sposito*

Contributors: O. Duckworth n, J. Bargar* & G. Sposito*

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2007 journal article

Dissolution of hausmannite (Mn<inf>3</inf>O<inf>4</inf>) in the presence of the trihydroxamate siderophore desferrioxamine B

Geochimica Et Cosmochimica Acta, 71(23), 5661–5671.

By: J. Peña*, O. Duckworth*, J. Bargar* & G. Sposito*

Contributors: J. Peña*, O. Duckworth*, J. Bargar* & G. Sposito*

Source: ORCID
Added: February 5, 2019

2007 journal article

Siderophore-promoted dissolution of synthetic and biogenic layer-type Mn oxides

CHEMICAL GEOLOGY, 242(3-4), 497–508.

By: O. Duckworth* & G. Sposito*

Contributors: O. Duckworth* & G. Sposito*

author keywords: manganese oxide; biomineral; desferrioxamine B; siderophore; dissolution; aqueous Mn(III)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2005 journal article

Chelating ligand alters the microscopic mechanism of mineral dissolution

Journal of the American Chemical Society, 127(16), 5744–5745.

Contributors: T. Perry IV, O. Duckworth*, T. Kendall*, S. Martin* & R. Mitchell*

MeSH headings : Calcium Carbonate / chemistry; Chelating Agents / chemistry; Edetic Acid / chemistry; Hydrogen-Ion Concentration; Ligands
TL;DR: Near-atomic-scale observations in EDTA solutions demonstrate that, after penetration through a critical pit depth barrier, step velocity increases linearly with pit depth for EDTA-promoted dissolution. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: February 5, 2019

2005 journal article

Siderophore-Manganese(III) interactions II. Manganite dissolution promoted by desferrioxamine B

Environmental Science and Technology, 39(16), 6045–6051.

By: O. Duckworth* & G. Sposito*

Contributors: O. Duckworth* & G. Sposito*

MeSH headings : Deferoxamine / chemistry; Hydrogen-Ion Concentration; Kinetics; Manganese Compounds / chemistry; Oxidation-Reduction; Oxygen; Siderophores / chemistry; Solubility
TL;DR: It is found that DFOB dissolves manganite by both reductive and nonreductive reaction pathways, which have important implications for the biogeochemical cycling of both manganese and siderophores--as well as Fe(lll)--in natural waters and soils. (via Semantic Scholar)
Source: ORCID
Added: February 5, 2019

2005 journal article

Siderophore-manganese (III) interactions. I. Air-oxidation of manganese(II) promoted by desferrioxamine B

Environmental Science and Technology, 39(16), 6037–6044.

By: O. Duckworth* & G. Sposito*

Contributors: O. Duckworth* & G. Sposito*

MeSH headings : Deferoxamine / chemistry; Hydrogen-Ion Concentration; Kinetics; Manganese Compounds / chemistry; Oxidation-Reduction; Oxygen; Siderophores / chemistry
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: ORCID
Added: February 5, 2019

2004 journal article

Dissolution rates and pit morphologies of rhombohedral carbonate minerals

American Mineralogist, 89(4), 554–563. http://www.scopus.com/inward/record.url?eid=2-s2.0-1942499445&partnerID=MN8TOARS

By: O. Duckworth & S. Martin

Contributors: O. Duckworth & S. Martin

Source: ORCID
Added: February 5, 2019

2004 journal article

Effects of the biologically produced polymer alginic acid on macroscopic and microscopic calcite dissolution rates

Environmental Science and Technology, 38(11), 3040–3046.

Contributors: T. Perry IV, O. Duckworth*, C. McNamara*, S. Martin* & R. Mitchell*

MeSH headings : Alginates / pharmacology; Biocompatible Materials / pharmacology; Calcium Carbonate / chemistry; Glucuronic Acid / pharmacology; Hexuronic Acids / pharmacology; Hydrogen-Ion Concentration; Polymers / chemistry; Solubility; Water / chemistry
TL;DR: It is proposed that alginic acid preferentially forms dissolution active surface complexes with calcium atoms on the obtuse step, which results in anisotropic ligand-promoted dissolution. (via Semantic Scholar)
Source: ORCID
Added: February 5, 2019

2004 journal article

Linear free energy relationships between dissolution rates and molecular modeling energies of rhombohedral carbonates

Langmuir, 20(7), 2938–2946.

By: O. Duckworth*, R. Cygan* & S. Martin*

Contributors: O. Duckworth*, R. Cygan* & S. Martin*

MeSH headings : Carbonates / chemistry; Computer Simulation; Linear Models; Models, Chemical; Models, Molecular; Solutions / chemistry; Surface Properties; Thermodynamics
TL;DR: Pit formation excess energies decrease with increasing pit size, which is consistent with the nonlinear dissolution kinetics hypothesized for the initial stages of pit formation. (via Semantic Scholar)
Source: ORCID
Added: February 5, 2019

2004 journal article

Role of molecular oxygen in the dissolution of siderite and rhodochrosite

Geochimica Et Cosmochimica Acta, 68(3), 607–621.

By: O. Duckworth & S. Martin

Contributors: O. Duckworth & S. Martin

Source: ORCID
Added: February 5, 2019

2004 journal article

Role of molecular oxygen in the dissolution of siderite and rhodochrosite

Geochimica Et Cosmochimica Acta, 68(3), 607–621.

By: O. Duckworth* & S. Martin*

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 12, 2020

2003 journal article

Connections between surface complexation and geometric models of mineral dissolution investigated for rhodochrosite

Geochimica Et Cosmochimica Acta, 67(10), 1787–1801.

By: O. Duckworth* & S. Martin*

Contributors: O. Duckworth* & S. Martin*

Source: ORCID
Added: February 5, 2019

2001 journal article

Structure-activity relationships of mineral dusts as heterogeneous nuclei for ammonium sulfate crystallization from supersaturated aqueous solutions

Environmental Science and Technology, 35(8), 1624–1629.

By: S. Martin*, J. Schlenker*, J. Chelf* & O. Duckworth*

Contributors: S. Martin*, J. Schlenker*, J. Chelf* & O. Duckworth*

MeSH headings : Aluminum Oxide / chemistry; Aluminum Silicates / chemistry; Ammonium Sulfate / chemistry; Crystallization; Dust; Ferric Compounds / chemistry; Minerals / chemistry; Solutions; Spectroscopy, Fourier Transform Infrared; Structure-Activity Relationship; Titanium / analysis; Titanium / chemistry
TL;DR: The interactions of ammonium sulfate with corundum, hematite, mullite, rutile, anatase, and baddeleyite were studied by diffuse reflectance fourier transform infrared spectroscopy and by epitaxial modeling and it is shown that shifts in sulfate peak positions due to chemisorption are not a correlative indicator of the efficacy of heterogeneous nucleation. (via Semantic Scholar)
Source: ORCID
Added: February 5, 2019

2001 journal article

Surface complexation and dissolution of hematite by C<inf>1</inf>-C<inf>6</inf> dicarboxylic acids at pH = 5.0

Geochimica Et Cosmochimica Acta, 65(23), 4289–4301.

By: O. Duckworth* & S. Martin*

Contributors: O. Duckworth* & S. Martin*

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: February 5, 2019

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