Works (7)
Updated: July 10th, 2023 21:16
2017 journal article
Assessing Biomineral Formation by Iron-oxidizing Bacteria in a Circumneutral Creek
JOURNAL OF CONTEMPORARY WATER RESEARCH & EDUCATION, 160(1), 60–71.
author keywords: iron (hydr)oxides; water chemistry; neutrophilic; gradient tubes; iron oxidation; groundwater
open access via onlinelibrary.wiley.com (publisher PDF)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: 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.
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
2016 journal article
A universal assay for the detection of siderophore activity in natural waters
BIOMETALS, 29(6), 1085–1095.
Contributors: 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
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
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.
Contributors: O. Duckworth n , N. Rivera n, T. Gardner n , 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
6. Clean Water and Sanitation
(Web of Science)
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.
Contributors: 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
6. Clean Water and Sanitation
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2014 journal article
Ectomycorrhizal fungi and past high CO2 atmospheres enhance mineral weathering through increased below-ground carbon-energy fluxes
BIOLOGY LETTERS, 10(7).
author keywords: silicate weathering; mycorrhizal fungi; elevated carbon dioxide; photosynthate flux; (CO2)-C-14 tracer
MeSH headings : Carbon / metabolism; Carbon Dioxide / metabolism; Carbon Radioisotopes / metabolism; Cycadopsida / physiology; Fungi / physiology; Magnoliopsida / physiology; Minerals / chemistry; Mycorrhizae / metabolism; Plant Roots / microbiology; Silicates / chemistry; Soil Microbiology; Symbiosis; Trees / physiology
TL;DR:
Calcium dissolution rates halved for both AM and EM trees as CO2 fell from 1500 to 450 ppm, but silicate weathering by AM trees at high CO2 approached rates for EM trees at near-current CO2.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Siderophore-promoted dissolution of chromium from hydroxide minerals
ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS, 16(6), 1348–1359.
Contributors: O. Duckworth n , M. Akafia n, 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
6. Clean Water and Sanitation
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
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