Results 21 to 30 of about 38,351,436 (316)

Iron-Doped Bimodal Mesoporous Silica Nanomaterials as Sorbents for Solid-Phase Extraction of Perfluoroalkyl Substances in Environmental Water Samples

open access: yesNanomaterials, 2022
In this work, sorbets based on UVM-7 mesoporous silica doped with Fe were synthesized and applied to solid-phase extraction of perfluoroalkyl substances from environmental water samples.
Enric Pellicer-Castell   +5 more
doaj   +1 more source

Coupling a large-scale hydrological model (CWatM v1.1) with a high-resolution groundwater flow model (MODFLOW 6) to assess the impact of irrigation at regional scale [PDF]

open access: yesGeoscientific Model Development, 2022
In the context of changing climate and increasing water demand, large-scale hydrological models are helpful for understanding and projecting future water resources across scales.
L. Guillaumot   +7 more
doaj   +1 more source

Paper-Based Analytical Devices for Colorimetric and Luminescent Detection of Mercury in Waters: An Overview

open access: yesSensors, 2021
Lab-on-paper technologies, also known as paper-based analytical devices (PADs), have received increasing attention in the last years, and nowadays, their use has spread to virtually every application area, i.e., medical diagnostic, food safety ...
Carlos Bendicho   +4 more
doaj   +1 more source

Hazard assessment and categorization of microbiological risk in a water treatment and distribution system located in a municipality in the interior of Minas Gerais, Brazil

open access: yesRevista Ambiente & Água, 2020
Consumption of non-potable water is a relevant public health problem due to the possibility of transporting numerous chemical and microbiological contaminants.
Marcelo Barbosa Motta, Elisabeth Neumann
doaj   +1 more source

Analysis and ranking of corrosion causes for water pipelines: a critical review

open access: yesnpj Clean Water, 2023
Corrosion is still the most common contributor to failures in Water Distribution Networks (WDNs), causing detrimental techno-socio-economic impacts. Although the corrosion process has been the subject of several studies, factors influencing this process ...
Hassan M. Hussein Farh   +3 more
semanticscholar   +1 more source

Quality of the water fluoridation and municipal-level indicators in a Brazilian metropolitan region

open access: yesRevista Ambiente & Água, 2018
This study explored the relationship between water fluoridation quality and development indicators at municipal level. In addition, fluoride concentrations found were classified based on two criteria for interpreting the samples.
Lorrayne Belotti   +5 more
doaj   +1 more source

Characterisation of classical enterotoxins, virulence activity, and antibiotic susceptibility of Staphylococcus aureus isolated from Thai fermented pork sausages, clinical samples, and healthy carriers in northeastern Thailand

open access: yesJournal of Veterinary Research, 2020
Contamination by Staphylococcus aureus of food produced from animal sources may have diverse and multifactorial causes that depend on geographical distribution. The goal of this study was to isolate and characterise S.
Sankomkai Wanwisa   +6 more
doaj   +1 more source

Solventless microextraction techniques for water analysis

open access: yesTrends in Analytical Chemistry (TrAC), 2019
Microextraction techniques have been proven to provide similar or better results in terms of sensitivity and reproducibility in comparison to liquid-liquid extraction (LLE) and solid-phase extraction (SPE).
Nerea Lorenzo-Parodi   +4 more
semanticscholar   +1 more source

Characteristics Analysis and Corrosion Inhibition in Typical Produced Water of Jidong Oilfield [PDF]

open access: yesE3S Web of Conferences, 2021
The composition of oilfield water is complex and diverse. The development and application of corrosion inhibitors can effectively inhibit the corrosion of pipelines and equipment by oilfield water.
Dong Chen
doaj   +1 more source

A Simple Method for Developing a Hand‐Drawn Paper‐Based Sensor for Mercury; Using Green Synthesized Silver Nanoparticles and Smartphone as a Hand‐Held‐Device for Colorimetric Assay

open access: yesGlobal Challenges, 2021
Mercury ions are highly toxic at trace levels, and its pollution has posed a significant threat to the environment and public health, where current detection methods mainly require laborious operation and expensive instrumentation. Herein, a simple, cost‐
Maryamosadat Mavaei   +3 more
doaj   +1 more source

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