Results 61 to 70 of about 10,964 (180)

A sensitive and selective method for determination of gold(III) based on electrothermal atomic absorption spectrometry in combination with dispersive liquid–liquid microextraction using dicyclohexylamine [PDF]

open access: yes, 2010
A combined method with dispersive liquid–liquid microextraction (DLLME) and electrothermal atomic absorption spectrometry (ETAAS) has been developed for determining gold(III).
Kagaya Shigehiro   +5 more
core   +1 more source

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

Dispersive liquid-liquid microextraction for determining urinary muconic acid as benzene biological indicator [PDF]

open access: yesJournal of the Serbian Chemical Society
The monitoring of occupational exposure to chemicals is essential for assessing the workplace. In the case of hazardous and carcinogenic chemicals, such as benzene, occupational monitoring becomes even more crucial.
Moghadasi Abolfazl   +4 more
doaj   +1 more source

Vortex-assisted dispersive liquid–liquid microextraction for the determination of molybdenum in plants by inductively coupled plasma optical emission spectrometry [PDF]

open access: yes, 2016
A new procedure for determining trace concentrations of Mo in plants combining dispersive liquid–liquid microextraction and inductively coupled plasma optical emission spectrometry is proposed here.
Aguirre Pastor, Miguel Ángel   +4 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

Determination of pesticides in fruit and fruit juices by chromatographic methods. An overview [PDF]

open access: yes, 2011
In order to combat a variety of pests, pesticides are widely used in fruits. Several extraction procedures (liquid extraction, single drop microextraction, microwave-assisted extraction, pressurized liquid extraction, supercritical fluid extraction ...
Delerue-Matos, Cristina   +3 more
core   +1 more source

PANI/PTA/Fe3O4 Nanocomposite Coated on Stainless‐Steel Towards Efficient Solid‐Phase Microextraction of Tetracycline From Human Urine Samples Prior to HPLC–DAD Analysis

open access: yesAnalytical Science Advances, Volume 7, Issue 1, June 2026.
ABSTRACT Tetracycline (TC) is a commonly prescribed broad‐spectrum antibiotic, and its widespread use together with its persistence in biological matrices, particularly urine, has raised serious concerns related to clinical safety, public health and the emergence of antimicrobial resistance, underscoring the need for its accurate and sensitive ...
Sanaz Naghinejad Orang   +2 more
wiley   +1 more source

Microextraction and Eco-Friendly Techniques Applied to Solid Matrices Followed by Chromatographic Analysis

open access: yesSeparations
In this review, a 5-year overview on environmentally friendly approaches for the extraction of the most relevant organic pollutants in soil, sediment, particulate matter, and sewage sludge coupled with chromatographic analysis is reported.
Attilio Naccarato   +2 more
doaj   +1 more source

Gas Chromatography‐Based Methods for Profiling Volatile Off‐Aroma Compounds in Grain Legumes: A Review

open access: yesLegume Science, Volume 8, Issue 2, June 2026.
ABSTRACT Instrumental characterisation of the volatile organic compounds (VOCs), responsible for off‐aroma, is mainly centred on gas chromatography‐based techniques. Despite previous reviews that have addressed the chemical compounds and biosynthetic pathways of off‐aroma generation, to date, there is a lack of a comprehensive review that critically ...
Piyumi Chathurangi Wanniarachchi   +3 more
wiley   +1 more source

Recent advances in the determination of biogenic amines in food samples by (U)HPLC [PDF]

open access: yes, 2016
The determination of biogenic amines (BAs) in food products stirs up an increasing interest because of the implications in toxicological and food quality issues.
Núñez Burcio, Oscar   +2 more
core   +1 more source

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