[HTML][HTML] Ultrasound-assisted extraction methods for the determination of organic contaminants in solid and liquid samples

RA Pérez, B Albero - TrAC Trends in Analytical Chemistry, 2023 - Elsevier
Ultrasound-assisted extraction is a common technique for the extraction of organic
contaminants from solid samples due to its ease of application to a variety of matrices and …

Surface nanodroplet-based nanoextraction from sub-milliliter volumes of dense suspensions

JB You, D Lohse, X Zhang - Lab on a Chip, 2021 - pubs.rsc.org
A greener analytical technique for quantifying compounds in dense suspensions is needed
for wastewater and environmental analysis, chemical or bio-conversion process monitoring …

Carbon nanofibers-based nanoconfined liquid phase filtration for the rapid removal of chlorinated pesticides from ginseng extracts

H Sun, Y Zou, HY Kaw, L Wang, G Wang… - Journal of Agricultural …, 2021 - ACS Publications
A rapid nanoconfined liquid phase filtration system (NLPF) based on solvent-confined
carbon nanofibers/carbon fiber materials (CNFs/CFs) was proposed to effectively remove …

Improving imprinting effect by reducing sites embedding: Selective extraction of 1, 2, 3, 4, 6-penta-O-galloyl-β-d-glucose from Paeonia lactiflora Pall by hydrophilic …

X Zhang, J Yang, C Wang, Y Sun, Z Liu, Y Huang… - Microchemical …, 2020 - Elsevier
Abstract 1, 2, 3, 4, 6-Penta-O-galloyl-β-d-glucose (β-PGG) is one of active component of
polyphenol tannic acid in the rhizome of radix paeoniae alba, and isolating and purifying β …

Volcanic ashes as a source for nitrated and oxygenated polycyclic aromatic hydrocarbon pollution

M Guiñez, L Escudero, A Mandelli, LD Martinez… - … Science and Pollution …, 2020 - Springer
In this study, a novel, simple, and highly sensitive analytical procedure for the quantitative
evaluation of oxygenated and nitrated polycyclic aromatic hydrocarbons in volcanic ash …

Separation and determination of cadmium in water samples based on functionalized carbon nanotube by syringe filter membrane-micro solid-phase extraction

J Rakhtshah - Analytical Methods in Environmental Chemistry …, 2021 - journal.amecj.ir
A simple and fast separation of cadmium (Cd) based on functionalized carbon nanotubes
with 2, 3-dimercapto-1-propanol (CNTs@ DHSP) was achieved in water samples before a …

Peak compression induced by large volume injection of hidrophobic alcohols in reversed-phase liquid chromatography

E Bacalum, T Galaon, V David, S Moldoveanu - 2021 - dspace.incdecoind.ro
Injections of high volumes of samples containing hydrophobic diluents are possible in
reversed-phase liquid chromatography, and in some cases an effect of peak compression …