Results 1 to 10 of about 1,073,941 (318)

A modified TOP assay to detect per- and polyfluoroalkyl substances in aqueous film-forming foams (AFFF) and soil

open access: yesFrontiers in Chemistry, 2023
Total oxidisable precursor (TOP) assay can oxidise some per- and polyfluoroalkyl substances (PFASs) and their precursors, most of which cannot be quantitatively detected so far, and convert them to detectable PFASs, such as perfluoroalkyl acids (PFAAs ...
Md. Al Amin   +17 more
doaj   +1 more source

Rapid In-Field Approaches for Delineating VOC in Both Soil Vapour and Groundwater for Vapour Intrusion Assessment

open access: yesFrontiers in Environmental Science, 2021
Traditional contaminated site characterisation approaches are time-consuming, labour-intensive, and demand a high level of expertise. This case study provides a rapid field-based solution to investigating a VOC contaminated site and its vapour incursion ...
Liang Wang   +7 more
doaj   +1 more source

Contamination rates of three urine-sampling methods to assess bacteriuria in pregnant women [PDF]

open access: yes, 2013
OBJECTIVE: To estimate and compare contamination rates of three different urine-sampling methods in pregnant women to assess bacteriuria. METHODS: In this cross-sectional study, 113 pregnant women collected three different midstream urine samples ...
Visser, C.E.   +13 more
core   +1 more source

Contamination in trials of educational interventions [PDF]

open access: yes, 2007
Objectives: To consider the effects of contamination on the magnitude and statistical significance (or precision) of the estimated effect of an educational intervention, to investigate the mechanisms of contamination, and to consider how contamination ...
Bachmann, M.O.   +47 more
core   +1 more source

The cross-contamination potential of mobile telephones

open access: yes, 2012
The use of mobile devices for professional, business, educational, personal and social purposes has accelerated exponentially over the last decade.
Humphreys, P.   +9 more
core   +1 more source

Contamination Assessment and Reduction Project (CARP), Summary of Accomplishments and Findings

open access: yes, 2007
The document was created for the Contamination Assessment and Reduction Project (CARP) November 2007 Conference and provides background information about the project and a summary of its accomplishments and findings.

core   +1 more source

Heteropolyacid-loaded MOF-derived mesoporous zirconia catalyst for chemical degradation of rhodamine B

open access: yesGreen Processing and Synthesis, 2023
In this article, silicotungstic acid (STA)-loaded metal–organic framework (MOF)-derived composites (C-STA@ZrO2) were successfully synthesized by simple strategies.
Wang Jialu   +8 more
doaj   +1 more source

Effect of plant extracts and citric acid on phytoremediation of metal-contaminated soil

open access: yesEcotoxicology and Environmental Safety, 2021
Application of activating agents can significantly improve efficiency of plants for remediation of soils contaminated by heavy metals, however, damage to soil and plants limits application of traditional activating agents.
Yaqian Li   +11 more
doaj   +1 more source

Hydrophobic Sand Is a Non-Toxic Method of Urine Collection, Appropriate for Urinary Metal Analysis in the Rat

open access: yesToxics, 2017
Hydrophobic sand is a relatively new method of urine collection in the rodent, comparable to the established method using a metabolic cage. Urine samples are often used in rodent research, especially for biomarkers of health changes after internal ...
Jessica F. Hoffman   +3 more
doaj   +1 more source

Publisher Correction: Anthropogenic Pb contribution in soils of Southeast China estimated by Pb isotopic ratios

open access: yesScientific Reports, 2021
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Jianwu Li   +4 more
doaj   +1 more source

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