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Sghaier RB, Labidi A, Abdallah MA, Latrous L, Megriche A. Green magnetic snail shell hydroxyapatite sorbent for reliable solid-phase extraction of pesticides from water samples. J Sep Sci 2023; 46:e2300290. [PMID: 37582642 DOI: 10.1002/jssc.202300290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 08/07/2023] [Accepted: 08/07/2023] [Indexed: 08/17/2023]
Abstract
To address sustainability issues, the green synthesis of nanomaterials has recently received considerable attention. This article addresses a novel and cost-effective adsorbent for the extraction of eight phenyl-N-methylcarbamate insecticides from water samples. We first synthesized a magnetite/hydroxyapatite nanocomposite using snail shell powder via an environmental friendly approach. The morphology and physicochemical properties of magnetic hydroxyapatite were characterized by Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, and scanning electron microscopy. Magnetic extraction parameters were optimized using a Doehlert matrix. Under optimum conditions, the magnetic extraction coupled with a LC-MS method shows good linearity with R2 ≥ 0.9982, suitable intra- and interday precision, and limits of detection and quantification in the range of 0.052-0.093 μg/L and 0.11-0.31 μg/L, respectively. Satisfactory relative recoveries of all carbamates were achieved from fortified water samples in the range of 93.89-101.01%.
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Affiliation(s)
- Rafika Ben Sghaier
- Laboratory of Composite Materials and Clay Minerals, National Center of Researches in Material Sciences, Technopole Borj Cédria, Soliman, Tunisia
- Laboratoire de Chimie Minérale appliquée (LR19ES02), Faculté des Sciences de Tunis, Université de Tunis El Manar, Campus universitaire El Manar I, Tunis, Tunisia
| | - Aymen Labidi
- Laboratoire National de Contrôle Des Médicaments, 11 bis Rue Jebel Lakhdar Bab Saadoun, Tunis, Tunisia
| | - Marwa Aouled Abdallah
- Laboratoire de Chimie Minérale appliquée (LR19ES02), Faculté des Sciences de Tunis, Université de Tunis El Manar, Campus universitaire El Manar I, Tunis, Tunisia
| | - Latifa Latrous
- Laboratoire de Chimie Minérale appliquée (LR19ES02), Faculté des Sciences de Tunis, Université de Tunis El Manar, Campus universitaire El Manar I, Tunis, Tunisia
- Institut Préparatoire aux Etudes d'Ingénieurs El Manar, Département de Chimie, El Manar, Tunisia
| | - Adel Megriche
- Laboratoire de Chimie Minérale appliquée (LR19ES02), Faculté des Sciences de Tunis, Université de Tunis El Manar, Campus universitaire El Manar I, Tunis, Tunisia
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Salehpour N, Bayatloo MR, Nojavan S. Green hydrophobic maltodextrin nanosponges for magnetic solid-phase extraction of hypothalamic peptides from plasma samples. J Chromatogr A 2023; 1706:464220. [PMID: 37523906 DOI: 10.1016/j.chroma.2023.464220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/03/2023] [Accepted: 07/17/2023] [Indexed: 08/02/2023]
Abstract
In this work, for the first time, magnetic-phthalated maltodextrin nanosponges (M-PAMDNSs) were synthetized and introduced as efficient and green sorbents. The integration of phthaloyl groups as hydrophobic moieties into networks of maltodextrin nanosponges provided good enrichment for hypothalamic-related peptides (HRPs). The synthesized materials were characterized by 1H nuclear magnetic resonance spectroscopy, water contact angle, attenuated total reflection-Fourier transform infrared spectroscopy, dynamic light scattering, zeta potential, pH point of zero charge, acid-base titration, field-emission scanning electron microscopy, Brunauer-Emmett-Teller, and vibrating sample magnetometer. Under the optimized conditions (sorbent amount: 5.0 mg, desorption solvent volume and type: 300 µL of methanol: H2O: trifluoroacetic acid, extraction time: 15 min, and desorption time: 10 min), the developed magnetic solid-phase extraction (MSPE) method in combination with HPLC-UV was used as a novel and sensitive analytical method for the determination of HRPs in plasma samples. The proposed MSPE-HPLC-UV method provided good linearity (1.5-500 ng mL-1 R2 ≥ 0.9988), low limits of detection (0.1-0.2 ng mL-1) and quantification (0.4-0.8 ng mL-1), desirable precision (RSD ≤ 8.8%, n ₌ 5), satisfactory enrichment factor (EFs ≥ 66.0), and well relative recoveries (92.8-108.8%). Overall, the established method effectively expanded the analytical potential of MSPE approach for the quantification of HRPs in biological samples.
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Affiliation(s)
- Niloofar Salehpour
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, Evin, Tehran, Iran
| | - Mohammad Reza Bayatloo
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, Evin, Tehran, Iran
| | - Saeed Nojavan
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, Evin, Tehran, Iran.
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Preparation of an efficient magnetic nano-sorbent based on modified cellulose and carboxylated carbon nano-tubes for extraction of pesticides from food and agricultural water samples before GC-FID analysis. Food Chem 2023; 407:135067. [PMID: 36493486 DOI: 10.1016/j.foodchem.2022.135067] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/04/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
Abstract
This paper reports the direct synthesis approach of carboxamide functionalized magnetic nano-composite named Fe3O4@SiO2-NH2@dialdehyde cellulose (DAC)@CNT-COOH as an effectual sorbent for the co-extraction of seven agricultural insecticides and herbicides from vegetable, fruit, and water samples using the magnetic dispersive micro-solid-phase extraction procedure. Under the optimized extraction conditions (sorbent amount: 18.1 mg; desorption time: 6.5 min; desorption solvent volume: 185 μL; desorption solvent: acetonitrile; extraction time: 9.5 min; pH of sample solution: 7.0, and salt content: 5.0 % w/v sodium chloride), good linearity within the range 0.5-1200 ng/mL (R2 ≥ 0.998) was achieved. Extraction efficiencies were in the range 63.4-84.1 %, the limits of detection were 0.08-1.0 ng/mL, and acceptable relative recoveries (87.6-103.8 %), and precisions were also achieved (RSDs < 6.8 %, n = 3). Ultimately, the obtained results showed that the developed method could be applied to determine trace amounts of desired analytes in various agricultural water and food samples.
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Bouazzi D, Mehri A, Kaaroud K, Touati H, Karouia F, Clacens J, Laghzizil A, Badraoui B. Beneficial effect of in-situ citrate-grafting of hydroxyapatite surface for water treatment. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Feng J, Jiang L, Cao Y, Deng C, Li Y. Tractable Method for Rapid Quality Assessment of Therapeutic Antibodies in Harvested Cell Culture Fluid based on FcγRIIIa-Immobilized Magnetic Microspheres. Anal Chem 2022; 94:11492-11499. [PMID: 35938925 DOI: 10.1021/acs.analchem.2c01350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
FcγRIIIa-binding affinity is one of the key factors to ensure the efficacy of many antitumor therapeutic antibodies, which should be monitored along with the titer, protein aggregation, and other critical quality attributes. The conventional workflow for the quality assessment of therapeutic antibodies in harvested cell culture fluid (HCCF) is time-consuming and costly nevertheless. In this study, a tractable method was established for rapid quality assessment of a HCCF sample through differentially extracting IgG with different FcγRIIIa affinity levels using FcγRIIIa-immobilized magnetic microspheres, followed by size exclusion chromatography (SEC) to determine the amount and monomer percentage of IgGs in the preceding eluate. FcγRIIIa-immobilized magnetic microspheres with polydopamine (PDA) and hydrophilic dendrimer (PAMAM) coating (denoted as Fe3O4@PDA@PAMAM-FcγRIIIa) were synthesized for the first time as magnetic adsorbents. The PDA cladding endowed the composites with good chemical stability in acidic elution buffer, and the PAMAM dendrimer empowered the composites of high ligand immobilization capacity and hydrophilic surface. The labile FcγRIIIa was immobilized under mild conditions. By directly applying a simple magnetic solid phase extraction procedure to treat HCCF, favored IgG species with high FcγRIIIa affinity would be selectively captured by Fe3O4@PDA@PAMAM-FcγRIIIa composites for subsequent SEC analysis. The monomer peak area value in SEC, which was set as the read-out of the proposed method, correlated directly with the theoretical overall quality of standard-spiked HCCF samples.
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Affiliation(s)
- Jianan Feng
- Pharmaceutical Analysis Department, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Linlin Jiang
- Pharmaceutical Analysis Department, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yiqing Cao
- Pharmaceutical Analysis Department, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Chunhui Deng
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
| | - Yan Li
- Pharmaceutical Analysis Department, School of Pharmacy, Fudan University, Shanghai 201203, China.,Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
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Yan M, Gao F, Chen M, Hu Q, Yang Y, Chen K, Wang P, Lei H, Ma Q. Synergistic Combination of Facile Thiol-Maleimide Derivatization and Supramolecular Solvent-Based Microextraction for UHPLC-HRMS Analysis of Glutathione in Biofluids. Front Chem 2021; 9:786627. [PMID: 34957048 PMCID: PMC8695729 DOI: 10.3389/fchem.2021.786627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/15/2021] [Indexed: 11/13/2022] Open
Abstract
Glutathione (GSH) is the most abundant non-protein thiol in biofluids, enabling diverse physiological functions. Among the proposed methods for GSH detection, ultra-high-performance liquid chromatography (UHPLC) coupled with high-resolution mass spectrometry (HRMS) has the advantages of high sensitivity and efficiency. In this study, a novel analytical method was developed for the determination of GSH using supramolecular solvent (SUPRAS)-based dispersive liquid–liquid microextraction (DLLME) and UHPLC–HRMS. N-Laurylmaleimide was dissolved in tetrahydrofuran, which served three functions: 1) precipitate the proteins present in the biofluid sample, 2) provide a reaction environment for derivatization, and 3) enable the use of SUPRAS as the dispersing agent. Critical parameters were optimized based on single factor testing and response surface methodology. The established method was validated in terms of linearity, accuracy, precision, and successful quantitative analysis of GSH in saliva, urine, and plasma samples. Experimental results showed that SUPRAS as an extraction solvent was particularly suitable for the extraction of GSH from complex matrices. The current study provides a useful tool for accurate measurements of GSH concentrations, which could potentially be used for clinical diagnostics.
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Affiliation(s)
- Mengmeng Yan
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.,Chinese Academy of Inspection and Quarantine, Beijing, China
| | - Feng Gao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Meng Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Qi Hu
- Chinese Academy of Inspection and Quarantine, Beijing, China.,School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Yuqin Yang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Kedian Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Penglong Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Haimin Lei
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Qiang Ma
- Chinese Academy of Inspection and Quarantine, Beijing, China
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