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Landarani M, Nojavan S. Synthesis of green nanosorbent from bovine serum albumin and curcumin for magnetic solid phase extraction of pesticides from food samples. Food Chem 2024; 457:140116. [PMID: 38924914 DOI: 10.1016/j.foodchem.2024.140116] [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: 02/02/2024] [Revised: 05/20/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
For the first time, a magnetic carbon nanocomposite was synthesized using one-step hydrothermal procedure, employing bovine serum albumin, curcumin, and ferric ammonium citrate. Additionally, the application of this novel composite as an adsorbent for magnetic dispersive solid phase extraction of fungicides and pesticides from water and food samples is a unique aspect of this study. Under optimum conditions (salt concentration: 5.0% w/v, pH: 7.0, desorption solvent: ethanol, sorbent amount: 20 mg, extraction time: 20 min, desorption time: 3 min, stirring rate: 500 rpm, sample volume: 30 mL, extraction temperature: room temperature, and desorption solvent volume: 150 μL) linearity (2.5 to 1400 ng mL-1), coefficients of determination (R2 ≥ 0.997), limits of detection (0.75 to 1.5 ng mL-1), and limits of quantification (2.5 to 5.0 ng mL-1) were achieved. The method validation results showed extraction recovery ranging from 71.2% to 93.4%, and preconcentration factors ranging from 142.5 to 186.1.
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Affiliation(s)
- Mohammad Landarani
- 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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Yola BB, Kotan G, Akyıldırım O, Atar N, Yola ML. Electrochemical determination of fenitrothion pesticide based on ultrathin manganese oxide nanowires/molybdenum titanium carbide MXene ionic nanocomposite and molecularly imprinting polymer. Mikrochim Acta 2024; 191:230. [PMID: 38565804 PMCID: PMC10987362 DOI: 10.1007/s00604-024-06320-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 03/19/2024] [Indexed: 04/04/2024]
Abstract
A novel molecularly imprinted electrochemical sensor is presented based on one-dimensional ultrathin manganese oxide nanowires/two-dimensional molybdenum titanium carbide MXene (MnO2NWs@Mo2TiC2 MXene) for fenitrothion (FEN) determination. After the synthesis of MnO2NWs@Mo2TiC2 MXene ionic nanocomposite was successfully completed with a facile hydrothermal and the pillaring methods, a new type molecular imprinted electrochemical sensor based on MnO2NWs@Mo2TiC2 MXene was constructed with cyclic voltammetry (CV) polymerization including pyrrole monomer and FEN target molecule. After the characterization studies including spectroscopic, electrochemical and microscopic methods, the analytical applications of the prepared sensor were performed. A linearity of 1.0×10-9-2.0×10-8 mol L-1 was obtained and the values of the quantification limit (LOQ) and the detection limit (LOD) were 1.0×10-9 mol L-1 and 3.0×10-10 mol L-1, respectively. The studies of selectivity, stability and reproducibility of the constructed sensor based on MnO2NWs@Mo2TiC2 nanocomposite and molecularly imprinting polymer (MIP) were carried out in detail. Finally, the developed sensor was applied to white flour samples with the values close to 100%.
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Affiliation(s)
- Bahar Bankoğlu Yola
- Department of Engineering Basic Sciences, Faculty of Engineering and Natural Sciences, Gaziantep Islam Science and Technology University, Gaziantep, Turkey
| | - Gül Kotan
- Department of Chemistry and Chemical Processing Technologies, Kars Vocational School, Kafkas University, Kars, Turkey
| | - Onur Akyıldırım
- Department of Chemical Engineering, Faculty of Engineering and Architecture, Kafkas University, Kars, Turkey
| | - Necip Atar
- Department of Chemical Engineering, Faculty of Engineering, Pamukkale University, Denizli, Turkey
| | - Mehmet Lütfi Yola
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Hasan Kalyoncu University, Gaziantep, Turkey.
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Farahani HS, Najafi M, Behbahani M, Naseri MT. Magnetic activated carbon as an adsorbent for extraction of DMMP from aqueous samples followed by GC-IMS analysis. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4834-4841. [PMID: 37701994 DOI: 10.1039/d3ay01009k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
Micro-porous magnetic activated carbon was prepared under ultrasonic irradiation as an adsorbent for dispersed solid phase extraction of dimethyl methyl phosphonate from water samples, before analysis by gas chromatography-ion mobility spectrometry. The magnetic activated carbon was synthesized and characterized by using a vibrating sample magnetometer, Fourier transform infrared spectroscopy, scanning electron microscopy and X-ray diffraction techniques. Then, the effects of the amount of sorbent, extraction time and pH of the sample in the dispersive solid phase extraction method were investigated and optimized by the response surface method. The dispersion of 20 mg adsorbent powder in a 50 mL water sample for 5 minutes with chloroform as the desorption solvent showed an average recovery value of 95% for dimethyl methyl phosphonate. Afterward, the method was used successfully for the determination of dimethyl methyl phosphonate in river and spring water. The linear range was obtained to be 0.05-1 μg mL-1. The limit of detection and the limit of quantification were obtained to be 0.02 μg mL-1 and 0.05 μg mL-1 respectively. The analysis also showed good reproducibility with a relative standard deviation value of 3.1%. This method was shown to be easy, fast, reliable, and inexpensive.
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Affiliation(s)
| | - Mostafa Najafi
- Department of Chemistry, Faculty of Sciences, Imam Hossein University, Tehran, Iran.
| | - Mohammad Behbahani
- Department of Chemistry, Faculty of Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Raza A, Rehman MFU, Javed M, Zahra M, Iqbal S, Shoukat W, Jazaa Y, Qayyum I, Al-Anazy MM, Elkaeed EB, Althobiti RA, Alzahrani E, Farouk AE. Fabrication of Molecularly Imprinted Polymer Films Based on Graphene Oxide and Carbon Nanotubes for Nitrogenous Compound Sensing in Fuel Chemicals. JOM 2023. [DOI: 10.1007/s11837-023-05898-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 05/04/2023] [Indexed: 09/02/2023]
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Wu G, Zhang C, Liu C, Li X, Cai Y, Wang M, Chu D, Liu L, Meng T, Chen Z. Magnetic tubular nickel@silica-graphene nanocomposites with high preconcentration capacity for organothiophosphate pesticide removal in environmental water: Fabrication, magnetic solid-phase extraction, and trace detection. JOURNAL OF HAZARDOUS MATERIALS 2023; 457:131788. [PMID: 37302192 DOI: 10.1016/j.jhazmat.2023.131788] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 05/31/2023] [Accepted: 06/04/2023] [Indexed: 06/13/2023]
Abstract
Organothiophosphate pesticides (OPPs) are the most common water contaminants, significantly endangering human health and bringing serious public safety issues. Thus, developing effective technologies for the removal or trace detection of OPPs from water is urgent. Herein, a novel graphene-based silica-coated core-shell tubular magnetic nanocomposite (Ni@SiO2-G) was fabricated for the first time and used for the efficient magnetic solid-phase extraction (MSPE) of the OPPs chlorpyrifos, diazinon, and fenitrothion from environmental water. The experimental factors affecting extraction efficiency such as adsorbent dosage, extraction time, desorption solvent, desorption mode, desorption time, and adsorbent type were evaluated. The synthesized Ni@SiO2-G nanocomposites showed a higher preconcentration capacity than the Ni nanotubes, Ni@SiO2 nanotubes, and graphene. Under the optimized conditions, 5 mg of tubular nano-adsorbent displayed good linearity within the range of 0.1-1 μg·mL-1, low limits of detection (0.04-0.25 pg·mL-1), low limits of quantification (0.132-0.834 pg·mL-1), good reusability (n = 5; relative standard deviations between 1.46% and 9.65%), low dosage (5 mg), and low real detection concentration (< 3.0 ng·mL-1). Moreover, the possible interaction mechanism was investigated by density functional theory calculation. Results showed that Ni@SiO2-G was a potential magnetic material for the preconcentration and extraction of formed OPPs at ultra-trace levels from environmental water.
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Affiliation(s)
- Guoxin Wu
- Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Chuanqi Zhang
- Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Chang Liu
- Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Xiangzi Li
- Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, School of Pharmacy, Wannan Medical College, Wuhu 241002, China; Anhui Laboratory of Molecule-based Materials, College of Chemistry and Materials, Anhui Normal University, Wuhu 241002, China.
| | - Yuanyuan Cai
- Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Meifang Wang
- Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Deqiang Chu
- Criminal Police Detachment Material Evidence Identification Center, Wuhu Municipal Public Security Bureau, Wuhu 241000, China
| | - Liyun Liu
- Criminal Police Detachment Material Evidence Identification Center, Wuhu Municipal Public Security Bureau, Wuhu 241000, China
| | - Tian Meng
- Criminal Police Detachment Material Evidence Identification Center, Wuhu Municipal Public Security Bureau, Wuhu 241000, China
| | - Zhiming Chen
- College of Biochemical Engineering, Anhui Polytechnic University, Wuhu 241000, China
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Ultrasonic-assisted d-µ-SPE based on amine-functionalized KCC-1 for trace detection of lead and cadmium ion by GFAAS. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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