• Organization: Department of Energy
• Updated: 2025-04-17T21:03:11Z

This report presents thermal stability testing of fifteen Tracerco water tracers exposed to 250C for 48 hours. Tracer concentrations were compared using HPLC, with samples grouped based on...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Soy products contain isoflavones (genistein, daidzein, and glycitein) that display biological effects when ingested by humans and animals, these effects are species, dose and age dependent....

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• Organization: U.S. Environmental Protection Agency
• Updated: 2023-08-21

This is the manuscript and supplementary material for "Speciation of Inorganic Arsenic with Mixed-Mode HPLC- Electrospray Ionization-Mass Spectrometry and Arsenite Oxidation". This dataset is...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

The USGS conducted a combined wastewater facility pre/post-closure groundwater assessment adjacent to an effluent-impacted reach of Fourmile Creek, Ankeny, Iowa, USA. This data release includes...

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• Organization: Department of the Interior
• Updated: 2025-03-24T00:00:00Z

This data set is comprised of three tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and high-performance liquid...

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• Organization: Department of the Interior
• Updated: 2026-02-19T00:00:00Z

These data include results from screening tissues of marine organisms for the presence of harmful algal bloom (HAB) toxins: saxitoxin and its related congeners (STX) and domoic acid (DA). Samples...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-06-12T00:00:00.000+00:00

These data represent the chlorophyll accessory pigments measured from discrete depth water samples collected in CTD-mounted 10 liter Niskin bottles as part of NOAA surveys in the central North...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The data provided by this project is the abundance and taxonomic information for the 5-300 µm planktonic community captured via imaging with a FlowCam or Zooscan. We additionally analyze a...

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• Organization: Department of the Interior
• Updated: 2024-08-29T00:00:00Z

This data set is comprised of two tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and high-performance liquid...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-06-11T00:00:00.000+00:00

These data represent the chlorophyll accessory pigments measured from discrete depth water samples collected in CTD-mounted 10 liter Niskin bottles as part of NOAA surveys in the central North...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-01-06 00:00:00

SRM 1958 Organic Contaminants in Fortified Human Serum (Freeze-Dried) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-06-26

Concentrations of polyfluorinated chemicals in drinking water from homes. This dataset is associated with the following publication: Dasu, K., S. Nakayama, M. Yoshikane, M. Mills, J.M. Wright,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The project conducted field sampling in the Yukon River, delta and plume waters for two transects in spring/summer of 2022 and 2023 and acquisition of additional transect samples during similar...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset provides concentrations of pigments in pine and spruce needle tissues collected at the Niwot Ridge AmeriFlux Core site (US-NR1) near Nederland, Colorado, USA, during the summers of...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The Tara Oceans expedition, a 2.5-year long and 57,000 mile long trajectory, was conceived to provide a snapshot of the distribution of planktonic organisms in the world ocean, providing 'A...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The Global Ocean Biogeochemistry (GO-BGC) Array is a project funded by the US National Science Foundation (NSF Award 1946578 ) to build a global network of chemical and biological sensors that...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-01-06 00:00:00

SRM 1957 Organic Contaminants in Non-Fortified Human Serum (Freeze-Dried) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of...

• Organization: Department of Energy
• Updated: 2025-01-21T22:07:26Z

Corresponding Standard Reference Material Data used in Partial Least Squares Regression Models for Sugar Composition Estimates in Biomass in: Economic Impact of Yield and Composition Variation in...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2020-10-09

H. verticillata samples collected from numerous watersheds from 2014 to 2020 were screened for the presence of A. hydrillicola. After isolation of A. hydrillicola from environmental samples and...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2020-03-24

Thiacloprid (THI) is a neonicotinoid insecticide of interest to the USEPA due to its low absorption by crops, greater distribution into the surrounding areas, and potential for adverse effect to...

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