Results 81 to 90 of about 61,447 (248)

Atmospheric Deposition of Organic Pollutants: A Comprehensive Review of Sampling and Analytical Methodologies

open access: yesAnalytical Science Advances, Volume 7, Issue 1, June 2026.
ABSTRACT Atmospheric deposition of organic pollutants plays a crucial role in the transport and fate of contaminants in the environment, with implications for ecosystem health and human exposure. Persistent organic pollutants (POPs), polycyclic aromatic hydrocarbons (PAHs) and microplastics are increasingly recognized as transboundary threats due to ...
Iva Smoljo   +2 more
wiley   +1 more source

Development of Zeolite Imidazole Framework-Based Adsorbent for Effective Microextraction and Preconcentration of Histamine in Food Samples

open access: yesFoods
This study is the first to focus on the preconcentration and determination of histamine (HIS) in food samples using zeolite imidazole frameworks (ZIFs) on a solid-phase microextraction (SPME) platform.
Abdullah Khalid Omer   +3 more
doaj   +1 more source

Determining the distribution of triclosan and methyl triclosan in estuarine settings [PDF]

open access: yes, 2014
We have developed a method for the analysis of two sewage-derived contaminants: triclosan (TCS), an antibacterial agent, and methyl triclosan (MTCS), a TCS metabolite.
Agüera   +44 more
core   +2 more sources

Advances in Eco‐Friendly Extraction of Fruit Bioactive Compounds: Technologies, Challenges and Future Directions

open access: yesAnalytical Science Advances, Volume 7, Issue 1, June 2026.
Fruit bioactive compounds offer antioxidant, anti‐inflammatory, and preventive benefits, yet extraction is hindered by poor solubility and conventional methods using toxic solvents and high energy. This review evaluates traditional and advanced eco‐friendly technologies, highlighting efficiency, selectivity, and sustainability.
Abadi Gebreyesus Hndeya   +2 more
wiley   +1 more source

Efficient Low-Cost Procedure for Microextraction of Estrogen from Environmental Water Using Magnetic Ionic Liquids

open access: yesMolecules, 2020
In this study, three magnetic ionic liquids (MILs) were investigated for extraction of four estrogens, i.e., estrone (E1), estradiol (E2), estriol (E3), and ethinylestradiol (EE2), from environmental water.
Paula Berton   +5 more
doaj   +1 more source

Analytical Green Star Area for Sample Preparation (AGSA‐Prep) as a Comprehensive and Practice‐Oriented Metric

open access: yesAnalytical Science Advances, Volume 7, Issue 1, June 2026.
ABSTRACT Sample preparation is a critical, yet often environmentally burdensome, step in analytical chemistry. While Green Sample Preparation principles aim to mitigate this impact, existing assessment tools such as AGREEprep offer room for improvement in the assessment process.
Fotouh R. Mansour   +3 more
wiley   +1 more source

Preconcentration and Determination of Lead for Trace Levels in Water and Wastewater Samples by Vortex-Assisted Microextraction Using TPAS as a New Synthetic Complexing Agent with Electrothermal Atomic Absorption Spectroscopy Detection [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
A simple and rapid solidified vortex assisted 1-undecanol based liquid-liquid microextraction technique was proposed for preconcentration of trace levels of lead ions.
Hassanali Moradi   +5 more
doaj  

Advanced Techniques for Quantification of N-nitrosodiethanolamine in Cosmetic Products [PDF]

open access: yesJournal of Mazandaran University of Medical Sciences, 2023
Cosmetics are daily chemical industrial products used for cleaning, health care, and beauty purposes. Sometimes these products are contaminated by heavy metals, unwanted chemicals, and other dangerous substances that can lead to environmental pollution ...
Zahra Valipanah   +3 more
doaj  

Volatile organic compounds emitted from fungal-rotting beech (Fagus sylvatica) [PDF]

open access: yes, 2008
Chemo-communication is an important mode of interaction within ecosystem. The living organism in the ecosystem can deliver signals to conspecifics, to co-organisms, and unintentionally to their enemies, by emitting the volatile organic compounds (VOCs ...
Schütz, Stefan   +2 more
core  

Use of a new enrichment nanosorbent for speciation of mercury by FI-CV-ICP-MS [PDF]

open access: yes, 2015
Mercury is one of the most toxic environmental pollutants and its effects on human and ecosystem health are well known. All mercury species are toxic, with organic mercury compounds generally being more toxic than inorganic species.
Cano-Pavón, José Manuel   +3 more
core   +1 more source

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