New materials in sample preparation: Recent advances and future trends

EVS Maciel, AL de Toffoli, ES Neto… - TrAc Trends in Analytical …, 2019 - Elsevier
The low concentration levels of different chemical compounds in complex matrices such as
food, environmental, biological and pharmaceutical, requires adequate analytical methods …

Ionic liquid-based magnetic nanoparticles for magnetic dispersive solid-phase extraction: A review

R Chen, X Qiao, F Liu - Analytica Chimica Acta, 2022 - Elsevier
Due to their highly tunable nature and outstanding physicochemical properties, ionic liquids
(ILs) have been widely reported for use in the synthesis of multitudinous magnetic …

[HTML][HTML] Investigation of the anti-inflammatory and antioxidant activities of luteolin, kaempferol, apigenin and quercetin

C Tian, X Liu, Y Chang, R Wang, T Lv, C Cui… - South African Journal of …, 2021 - Elsevier
Luteolin, kaempferol, apigenin and quercetin are four common flavonol glycoside
compounds found in many plants that possess multiple biological activities. The current …

Facile synthesis of magnetic sulfonated covalent organic framework composites for simultaneous dispersive solid-phase extraction and determination of β-agonists …

K Hu, Y Shi, W Zhu, J Cai, W Zhao, H Zeng, Z Zhang… - Food Chemistry, 2021 - Elsevier
In this work, an efficient method for the determination of β-agonists and fluoroquinolones
was established, based on a mixed-mode sorbent of magnetic sulfonated covalent organic …

Greenness of magnetic nanomaterials in miniaturized extraction techniques: A review

A Gutiérrez-Serpa, R González-Martín, M Sajid, V Pino - Talanta, 2021 - Elsevier
Green analytical chemistry principles should be followed, as much as possible, and
particularly during the development of analytical sample preparation methods. In the past …

Recent applications of magnetic solid phase extraction in sample preparation for phytochemical analysis

SJ Yin, J Zhao, FQ Yang - Journal of Pharmaceutical and Biomedical …, 2021 - Elsevier
Sample preparation such as isolation and pre-concentration is a crucial step for the
phytochemical analysis. Magnetic solid-phase extraction (MSPE) has received considerable …

Synthesis of imidazolium-based poly (ionic liquids) with diverse substituents and their applications in dispersive solid-phase extraction

AH Mohamed, NA Noorhisham, K Bakar, N Yahaya… - Microchemical …, 2022 - Elsevier
Imidazolium-based poly (ionic liquids)(PILs) belong to a subclass of polyelectrolytes
characterised by a combination of a series of intrinsic ionic liquids features, spatial …

Utilization of co-precipitation method on synthesis of Fe3O4/PEG with different concentrations of PEG for biosensor applications

G Antarnusa, PD Jayanti, YR Denny, A Suherman - Materialia, 2022 - Elsevier
The synthesis of magnetite (Fe 3 O 4) nanoparticles with the addition of polyethylene glycol-
4000 (PEG-4000) was successfully carried out using a two-step co-precipitation method for …

[HTML][HTML] Selective enrichment of licorice triterpenoid saponins from complicated samples by magnetic poly (ionic liquid)-functionalized metal-organic framework

C Zhu, Z Wang, R Ma, W Wu, M Dong, X Chen, Y Du… - Lwt, 2023 - Elsevier
Licorice is a frequently-used natural sweetener and herbal medicine, and triterpenoid
saponins are the main sweet constituents. This study provided a novel method for selective …

Fabrication of rod-like boronate affinity imprinted covalent organic frameworks (COFs) interconnected with polyHIPEs for selective high-flux separation of flavoniods

S Liu, B Bai, X Zhang, Y Mao, D Guo - Chemical Engineering Journal, 2024 - Elsevier
Functioned covalent organic frameworks (COFs) have attracted tremendous attentions in the
separation fields. Nonetheless, the application of COFs sorbents under complex flavoniod …