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159 Results Found

  • Article
  • Open Access
18 Citations
5,747 Views
12 Pages

22 July 2019

The monitoring of food quality and safety requires a suitable analytical method with simultaneous detection in order to control pesticide and herbicide residues. In this study, a novel analytical method, referred to as “dispersive solid–l...

  • Article
  • Open Access
8 Citations
2,999 Views
11 Pages

25 April 2022

In this study, a dispersive solid-phase extraction (DSPE) pretreatment procedure using zeolite H-Beta as a sorbent was exploited for the determination of eight neonicotinoids in bottled water and honey products based on ultra-high-performance liquid...

  • Feature Paper
  • Review
  • Open Access
78 Citations
5,878 Views
12 Pages

Green sample preparation is one of the most challenging aspects in green analytical chemistry. In this framework, miniaturized microextraction techniques have been developed and are widely performed due to their numerous positive features such as sim...

  • Review
  • Open Access
44 Citations
5,612 Views
20 Pages

Effervescence-Assisted Microextraction—One Decade of Developments

  • Guillermo Lasarte-Aragonés,
  • Rafael Lucena and
  • Soledad Cárdenas

21 December 2020

Dispersive microextraction techniques are key in the analytical sample treatment context as they combine a favored thermodynamics and kinetics isolation of the target analytes from the sample matrix. The dispersion of the extractant in the form of ti...

  • Article
  • Open Access
10 Citations
3,241 Views
9 Pages

18 April 2021

In the present work, a novel sample preparation method, micro salting-out assisted matrix solid-phase dispersion (μ-SOA-MSPD), was developed for the determination of bisphenol A (BPA) and bisphenol B (BPB) contaminants in bee pollen. The proposed met...

  • Article
  • Open Access
1 Citations
1,441 Views
15 Pages

Signal Enhancement of Selected Norepinephrine Metabolites Extracted from Artificial Urine Samples by Capillary Electrophoretic Separation

  • Piotr Kowalski,
  • Natalia Hermann,
  • Dagmara Kroll,
  • Mariusz Belka,
  • Tomasz Bączek and
  • Ilona Olędzka

14 November 2024

The measurement of selected norepinephrine metabolites, such as 3,4-dihydroxyphenylglycol (DHPG), 3-methoxy-4-hydroxyphenylethylenglycol (MHPG), and vanillylmandelic acid (VMA), in biological matrices—including urine—is of great clinical...

  • Article
  • Open Access
14 Citations
3,162 Views
17 Pages

8 June 2021

Magnetic nanoparticles coated with zwitterionic poly(ionic liquid)s were applied for dispersive solid-phase extraction of oligonucleotides. The materials were synthesized by miniemulsion copolymerization of ionic liquids and divinylbenzene on magneti...

  • Article
  • Open Access
10 Citations
4,194 Views
9 Pages

18 December 2018

An ultra-high performance liquid chromatography-tandem quadrupole mass spectrometry (UHPLC-MS/MS) method was developed and validated for confirmatory analysis of four nitroimidazoles and three hydroxy metabolites in honey. Honey samples were dissolve...

  • Article
  • Open Access
7 Citations
2,612 Views
16 Pages

4 July 2023

Simultaneous determination of a mixture of food contaminants, including pesticides, sulphonamides, fluoroquinolones, anthelmintics, and aflatoxin B1, in solid biological samples (chicken liver) by dispersive liquid-liquid microextraction/liquid chrom...

  • Article
  • Open Access
16 Citations
4,416 Views
18 Pages

14 August 2021

In this study, we propose a simple, cost-effective, and sensitive high-performance liquid chromatography with fluorescence detection (HPLC-FLD) for the simultaneous determination of seven bisphenols (bisphenol F (BPF), bisphenol E (BPE), bisphenol B...

  • Review
  • Open Access
50 Citations
8,192 Views
21 Pages

9 November 2020

Pharmaceuticals and personal care products (PPCPs) are abundantly used by people, and some of them are excreted unaltered or as metabolites through urine, with the sewage being the most important source to their release to the environment. These comp...

  • Article
  • Open Access
4 Citations
2,732 Views
13 Pages

1 November 2024

In this study, we designed a molecularly imprinted polymers-dispersive solid-phase extraction-high-performance liquid chromatography (MIPs-DSPE-HPLC) method, as a simple and efficient platform for the sensitive detection of two sulfonamide antibiotic...

  • Article
  • Open Access
10 Citations
2,736 Views
18 Pages

3 September 2021

In this paper, magnetic molecularly imprinted nano-conjugates were synthesized to serve as selective sorbents in a model study of tyramine determination in craft beer samples. The molecularly imprinted sorbent was characterized in terms of morphology...

  • Article
  • Open Access
33 Citations
6,728 Views
13 Pages

29 June 2017

In this study, a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method was developed for simultaneous determination of eight paralytic shellfish poisoning (PSP) toxins, including saxitoxin (STX), neosaxitoxin (NEO), gony...

  • Article
  • Open Access
8 Citations
3,122 Views
19 Pages

Optimization of Microwave-Assisted Extraction and Matrix Solid-Phase Dispersion for the Extraction of Polyphenolic Compounds from Grape Skin

  • Danijela Ašperger,
  • Marija Gavranić,
  • Barbara Prišlin,
  • Nera Rendulić,
  • Iva Šikuten,
  • Zvjezdana Marković,
  • Bruna Babić,
  • Edi Maletić,
  • Jasminka Karoglan Kontić and
  • Ivana Tomaz
  • + 1 author

Polyphenols are organic compounds that can be found in food, especially in fruits, vegetables, and their products. It was shown that their presence significantly affects the properties of food products and that the consumption of food rich in phenoli...

  • Article
  • Open Access
2 Citations
2,156 Views
11 Pages

Response Surface Optimization of Dispersive Solid-Phase Extraction Combined with HPLC for the Rapid Analysis of Multiple Coccidiostats in Feed

  • Haolan Tang,
  • Shudan Liao,
  • Jian Yang,
  • Lilong Zhang,
  • Aijuan Tan,
  • Deyuan Ou,
  • Shiming Lv and
  • Xuqin Song

5 December 2022

Since antimicrobials were banned as feed additives, coccidiostats with favorable anticoccidial action and growth promotion have been widely used in the breeding industry. The monitoring of coccidiostats in feed is necessary, while the current methods...

  • Article
  • Open Access
7 Citations
2,159 Views
17 Pages

2 August 2024

A novel magnetic nanomaterial with Fe3O4 as the core, PS-DVB as the shell layer, and the surface modified with C18 (C18−PS−DVB−Fe3O4) had been synthesized by seeded emulsion polymerization. C18−PS−DVB−Fe3O4 retains...

  • Review
  • Open Access
72 Citations
8,064 Views
23 Pages

Microextraction Techniques with Deep Eutectic Solvents

  • Orfeas-Evangelos Plastiras,
  • Eirini Andreasidou and
  • Victoria Samanidou

19 December 2020

In this review, the ever-increasing use of deep eutectic solvents (DES) in microextraction techniques will be discussed, focusing on the reasons needed to replace conventional extraction techniques with greener approaches that follow the principles o...

  • Article
  • Open Access
7 Citations
3,808 Views
17 Pages

13 March 2024

The amount of macrolide (MAL) residues in aquatic products, including oleandomycin (OLD), erythromycin (ERM), clarithromycin (CLA), azithromycin (AZI), kitasamycin (KIT), josamycin (JOS), spiramycin (SPI), tilmicosin (TIL), tylosin (TYL), and roxithr...

  • Article
  • Open Access
7 Citations
2,886 Views
15 Pages

5 September 2023

The quality of Schisandra chinensis (Turcz.) Baill. (S. chinensis) is principally attributed to lignan compounds. In this paper, a simple and rapid strategy for simultaneous extraction and determination of 10 lignans from S. chinensis was established...

  • Article
  • Open Access
18 Citations
3,893 Views
12 Pages

Analysis of Multiclass Antibiotics in Lettuce by Liquid Chromatography–Tandem Mass Spectrometry to Monitor Their Plant Uptake

  • Beatriz Albero,
  • José L. Tadeo,
  • María del Mar Delgado,
  • Esther Miguel and
  • Rosa Ana Pérez

10 November 2019

The main entry routes of antibiotics in the environment are the application of organic wastes to improve soil quality and the irrigation with recycled water. Once in the environment, antibiotics can be introduced in the food chain through their uptak...

  • Article
  • Open Access
22 Citations
4,892 Views
12 Pages

A Novel Magnetic Molecular Imprinted Polymer for Selective Extraction of Zearalenone from Cereal Flours before Liquid Chromatography-Tandem Mass Spectrometry Determination

  • Chiara Cavaliere,
  • Michela Antonelli,
  • Andrea Cerrato,
  • Giorgia La Barbera,
  • Aldo Laganà,
  • Michele Laus,
  • Susy Piovesana and
  • Anna Laura Capriotti

27 August 2019

Zearalenone (ZEN) is a nonsteroidal estrogenic mycotoxin produced by various Fusarium species and commonly occurring in corn and other cereals. Even though its acute toxicity is low, still the estrogenic activity of ZEN and metabolites is a matter of...

  • Article
  • Open Access
26 Citations
6,030 Views
20 Pages

23 March 2020

The objective of this work was the development of a methodology capable of simultaneously determine 26 mycotoxins in mixed feed rations collected in 20 dairy farms. A sample preparation methodology based on a combination of (d)SPE and QuEChERS extrac...

  • Review
  • Open Access
141 Citations
33,911 Views
15 Pages

Analysis of Dyes in Cosmetics: Challenges and Recent Developments

  • Eugenia Guerra,
  • Maria Llompart and
  • Carmen Garcia-Jares

Colour plays a decisive role in the marketing of a cosmetic product. Among thousands of substances used to colour, synthetic dyes are the most widespread in the industry. Their potential secondary effects on human health and different regulatory requ...

  • Article
  • Open Access
13 Citations
3,256 Views
14 Pages

20 September 2019

Viticis Fructus (VF) was named Manjingzi as a commonly used traditional Chinese medicine (TCM) targeting various pains and inflammation for more than 2000 years. To guarantee the quality of Viticis Fructus, a simple, quick and eco-friendly Beta/ZSM-2...

  • Article
  • Open Access
17 Citations
6,415 Views
16 Pages

17 March 2022

In this work, Hexagonal Mesoporous Silica (HMS) and Santa Barbara Amorphous-15 (SBA-15) mesostructured silicas were synthesized and functionalized with sulfonic acid groups. The materials (HMS-SO3 and SBA-15-SO3) were evaluated as stron...

  • Article
  • Open Access
4 Citations
2,566 Views
11 Pages

Assessing Matrix Solid-Phase Dispersion Extraction Strategies for Determining Bisphenols and Phthalates in Gilthead Sea Bream Samples

  • Dulce L. Soliz,
  • Rosa Ma Garcinuño,
  • Gema Paniagua González,
  • Juan Carlos Bravo and
  • Pilar Fernández Hernando

27 January 2024

Microplastics (MPs) and nanoplastics (NPs) are widely spread in the environment, generating significant concern due to their potential impact on environmental health. Marine species usually ingest plastic fragments, mistaking them for food. Many toxi...

  • Article
  • Open Access
11 Citations
3,852 Views
15 Pages

Preparation, Characterization, and Evaluation of Liposomes Containing Oridonin from Rabdosia rubescens

  • Yinyue Wang,
  • Mai Wang,
  • Feier Lin,
  • Xinyan Zhang,
  • Yongming Zhao,
  • Chunyan Guo and
  • Jin Wang

27 January 2022

Due to the remarkable anti-tumor activities of oridonin (Ori), research on Rabdosia rubescens has attracted more and more attention in the pharmaceutical field. The purpose of this study was to extract Ori from R. rubescens by ultrasound-assisted ext...

  • Article
  • Open Access
1 Citations
2,609 Views
20 Pages

Challenges in Resolubilisation of Rare Earth Oxalate Precipitates Using EDTA

  • Mark Stephen Henderson,
  • Laurence Gerald Dyer and
  • Bogale Tadesse

21 January 2025

The two-stage process for the treatment of rare earth phosphate minerals, involving an oxalic acid conversion leach and subsequent EDTA dissolution, has been demonstrated as a promising alternative to conventional extraction methods. To underpin a mo...

  • Review
  • Open Access
11 Citations
5,356 Views
17 Pages

The current clinical and forensic toxicological analysis of body fluids requires a modern approach to sample preparation characterized by high selectivity and enrichment capability, suitability for micro-samples, simplicity and speed, and the possibi...

  • Review
  • Open Access
8 Citations
2,403 Views
24 Pages

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. Organic co...

  • Article
  • Open Access
8 Citations
6,941 Views
19 Pages

Preliminary Phytochemical Analysis of Berberis goudotii Triana & Planch. ex Wedd. (Berberidaceae) with Anticariogenic and Antiperiodontal Activities

  • Luis G. Sequeda-Castañeda,
  • Camila C. Muñoz-Realpe,
  • Crispín A. Celis-Zambrano,
  • Sandra J. Gutiérrez-Prieto,
  • Pilar E. Luengas-Caicedo and
  • Fredy Gamboa

Berberis goudotii is an endemic Colombian plant found in the paramo ecosystem. It has been used in food preparation and as a medicinal plant for diverse treatments. Additionally, it is used as a mouthwash to strengthen the gums and combat throat irri...

  • Article
  • Open Access
13 Citations
8,303 Views
15 Pages

Effect of Phenolic Compounds Extracted from Turmeric (Curcuma longa L.) and Ginger (Zingiber officinale) on Cutaneous Wound Healing in Wistar Rats

  • Chaymae Bouchama,
  • Abdellah Zinedine,
  • João Miguel Rocha,
  • Noureddine Chadli,
  • Lahsen El Ghadraoui,
  • Rachida Chabir,
  • Sidi Mohammed Raoui and
  • Faouzi Errachidi

2 October 2023

Turmeric and ginger, widely used rhizomes in culinary arts, have several beneficial biological activities, such as hypoglycemic, hepato-protective, antimicrobial, and antioxidant properties. This work investigated the effects of three phenolic extrac...

  • Review
  • Open Access
408 Citations
37,147 Views
18 Pages

Application of Ultrasound in Food Science and Technology: A Perspective

  • Monica Gallo,
  • Lydia Ferrara and
  • Daniele Naviglio

4 October 2018

Ultrasound is composed of mechanical sound waves that originate from molecular movements that oscillate in a propagation medium. The waves have a very high frequency, equal to approximately 20 kHz, are divided into two categories (i.e., low-intensity...

  • Article
  • Open Access
268 Views
15 Pages

An innovative dispersive liquid–liquid microextraction technique utilizing a solid dispersion was established for the quantification of triazine herbicides in environmental water samples. Naturally derived monoterpenoids were utilized as eco-fr...

  • Review
  • Open Access
50 Citations
10,695 Views
33 Pages

23 May 2014

Solvent extraction remains one of the fundamental sample preparation techniques in the analysis of environmental solid samples, but organic solvents are toxic and environmentally harmful, therefore one of the possible greening directions is its minia...

  • Review
  • Open Access
37 Citations
8,004 Views
33 Pages

Novel Applications of Microextraction Techniques Focused on Biological and Forensic Analyses

  • Cristian D’Ovidio,
  • Martina Bonelli,
  • Enrica Rosato,
  • Angela Tartaglia,
  • Halil İbrahim Ulusoy,
  • Victoria Samanidou,
  • Kenneth G. Furton,
  • Abuzar Kabir,
  • Imran Ali and
  • Ugo de Grazia
  • + 2 authors

In recent years, major attention has been focused on microextraction procedures that allow high recovery of target analytes, regardless of the complexity of the sample matrices. The most used techniques included liquid-liquid extraction (LLE), solid-...

  • Review
  • Open Access
152 Citations
17,242 Views
25 Pages

A Review of the Extraction and Determination Methods of Thirteen Essential Vitamins to the Human Body: An Update from 2010

  • Yuan Zhang,
  • Wei-e Zhou,
  • Jia-qing Yan,
  • Min Liu,
  • Yu Zhou,
  • Xin Shen,
  • Ying-lin Ma,
  • Xue-song Feng,
  • Jun Yang and
  • Guo-hui Li

Vitamins are a class of essential nutrients in the body; thus, they play important roles in human health. The chemicals are involved in many physiological functions and both their lack and excess can put health at risk. Therefore, the establishment o...

  • Feature Paper
  • Article
  • Open Access
8 Citations
4,036 Views
12 Pages

Comparison of Two Extraction Procedures, SPE and DLLME, for Determining Plasticizer Residues in Hot Drinks at Vending Machines

  • Ivan Notardonato,
  • Sergio Passarella,
  • Alessia Iannone,
  • Cristina Di Fiore,
  • Mario Vincenzo Russo,
  • Carmela Protano,
  • Matteo Vitali and
  • Pasquale Avino

5 September 2021

This paper would like to compare two extraction procedures for analyzing phthalates (PAEs) in hot drinks collected at vending machines, usually coffee and tea. The two analytical procedures are based on Solid Phase Extraction (SPE) using C18 cartridg...

  • Review
  • Open Access
13 Citations
5,638 Views
25 Pages

Applications of Ionic Liquids in the Field of Agriculture: A Review

  • Zijun Wang,
  • Xin Qin,
  • Hongqiang Dong,
  • You Liang,
  • Zhongyang Huo,
  • Kun Qian and
  • Fengping Yang

15 December 2023

This review delves into the diverse applications of ionic liquids (ILs) in modern agriculture, focusing on their pivotal roles in the extraction of natural products and pesticides, as well as their substantial significance in sustainable pesticide de...

  • Article
  • Open Access
1 Citations
1,385 Views
16 Pages

Air-Assisted Liquid–Liquid Microextraction (AALLME) as an Alternative Sample Pre-Treatment for Isolating Tetrahydrocannabinol (THC) from Hair

  • Laura Blanco-García,
  • Pamela Cabarcos-Fernández,
  • Iván Álvarez-Freire,
  • María Jesús Tabernero-Duque,
  • Antonio Moreda-Piñeiro and
  • Ana María Bermejo-Barrera

Cannabis remains the most widely used illicit drug worldwide, identifying it is a routine procedure in forensic toxicology. Due to its widespread use, there is a need for analytical methods that can detect it in biological samples. Hair is of particu...

  • Communication
  • Open Access
11 Citations
5,544 Views
11 Pages

Comparison of Three Extraction Approaches for the Isolation of Neurotransmitters from Rat Brain Samples

  • Natalia Miękus,
  • Ilona Olędzka,
  • Darya Harshkova,
  • Ivan Liakh,
  • Alina Plenis,
  • Piotr Kowalski and
  • Tomasz Bączek

The determination of neurotransmitters (NTs) as relevant potential biomarkers in the study of various central nervous system (CNS) pathologies has been demonstrated. Knowing that NTs-related diseases mostly occupy individual regions of the nervous sy...

  • Review
  • Open Access
22 Citations
9,764 Views
20 Pages

Current Sample Preparation Methodologies for Determination of Catecholamines and Their Metabolites

  • Nian Shi,
  • Xinmiao Bu,
  • Manyu Zhang,
  • Bin Wang,
  • Xinli Xu,
  • Xuezhong Shi,
  • Dilshad Hussain,
  • Xia Xu and
  • Di Chen

22 April 2022

Catecholamines (CAs) and their metabolites play significant roles in many physiological processes. Changes in CAs concentration in vivo can serve as potential indicators for the diagnosis of several diseases such as pheochromocytoma and paraganglioma...

  • Article
  • Open Access
813 Views
18 Pages

Development and Optimization of Bentonite-Based Slurry Sealing Material

  • Qingsong Zhang,
  • Changyuan Xiao,
  • Zhaoyang Su,
  • Hui Zhuo and
  • Tuo Qiang

5 April 2025

Gas extraction from coal seams can significantly mitigate gas accidents and improve resource utilization. The effectiveness of borehole sealing directly determines the concentration and efficiency of gas drainage. In recent years, liquid-phase sealin...

  • Feature Paper
  • Review
  • Open Access
149 Citations
13,880 Views
15 Pages

Sample preparation has been recognized as a major step in the chemical analysis workflow. As such, substantial efforts have been made in recent years to simplify the overall sample preparation process. Major focusses of these efforts have included mi...

  • Review
  • Open Access
31 Citations
6,303 Views
24 Pages

10 March 2023

Mycotoxins pollution is a global concern, and can pose a serious threat to human health. People and livestock eating contaminated food will encounter acute and chronic poisoning symptoms, such as carcinogenicity, acute hepatitis, and a weakened immun...

  • Article
  • Open Access
19 Citations
3,723 Views
22 Pages

Reductive Catalytic Fractionation of Spruce Wood over Ru/C Bifunctional Catalyst in the Medium of Ethanol and Molecular Hydrogen

  • Oxana P. Taran,
  • Angelina V. Miroshnikova,
  • Sergey V. Baryshnikov,
  • Aleksandr S. Kazachenko,
  • Andrey M. Skripnikov,
  • Valentin V. Sychev,
  • Yuriy N. Malyar and
  • Boris N. Kuznetsov

8 November 2022

Reductive catalytic fractionation (RCF) has emerged as an effective lignin-first biorefinery strategy to depolymerize lignin into tractable fragments in high yields. Herein, we propose the RCF of spruce wood over a Ru/C bifunctional catalyst in the m...

  • Article
  • Open Access
28 Citations
8,032 Views
15 Pages

In this work, we investigated montmorillonite for adsorption of neonicotinoid insecticides in vortex-assisted dispersive micro-solid phase extraction (VA-d-μ-SPE). High-performance liquid chromatography with photodiode array detection was used for qu...

  • Feature Paper
  • Review
  • Open Access
75 Citations
11,481 Views
29 Pages

Polycyclic aromatic hydrocarbons (PAHs) comprise a group of chemical compounds consisting of two or more fused benzene rings. PAHs exhibit hydrophobicity and low water solubility, while some of their members are toxic substances resistant to degradat...

  • Article
  • Open Access
18 Citations
3,417 Views
14 Pages

In this study, a green ionic-liquid based vortex-synchronized matrix solid-phase dispersion (VS-MSPD) combined with high performance liquid chromatography (HPLC) method was developed as a quantitative determination method for four anthraquinones in C...

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