Article
Chemistry, Analytical
Bereket Tesfaye, Abera Gure, Tsegaye Girma Asere, Guyo Jilo Molole
Summary: A deep eutectic solvent-based dispersive liquid-liquid microextraction method was developed for the extraction and preconcentration of organochlorine pesticides from water and apple juice samples. The method showed good linearity, low detection limits, and high recovery values, indicating it to be a rapid, simple, and environmentally-friendly alternative for determining OCPs in various matrices.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Ruiting Niu, Honglin Qin, Yuan Tao, Lingdong Li, Lizhen Qiao
Summary: In this work, several new in situ deep eutectic solvents (DESs) were prepared using low toxic phenols and biodegradable esters, and the DESs were formed at room temperature. The DES-based DLLME approach exhibited good linearity, low limits of detection, high enrichment factors, and extraction recoveries. The proposed method was successfully applied for the determination of phthalate esters in water and beverage samples, showing good practical applicability.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Applied
Xu Jing, Haoyue Xue, Xiaoyan Sang, Xiaowen Wang, Liyan Jia
Summary: A simple and efficient pretreatment method was established for the detection of mefentrifluconazole enantiomers in cereal samples. The method utilized dispersive liquid-liquid microextraction coupled with ultra-high-performance liquid chromatography-diode array detector. The use of magnetic deep eutectic solvent as the extractant allowed for simplification and acceleration of the process.
Article
Chemistry, Analytical
Xiaoyi Pu, Xin Wang, Youping Liu, Xin Di
Summary: In this study, a novel deep eutectic solvent was synthesized and used for the extraction of quinolones in environmental water. The method was found to be fast, sensitive, and environmentally friendly.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Youyi Wu, Min Zhou, Qin Yu, Xinze Geng, Chunyang Chen, Xuedong Wang
Summary: A novel method using vortex-assisted dispersive liquid-liquid microextraction based on a hydroxyethyl-beta-cyclodextrin doped deep eutectic solvent was developed for the enrichment of sulfonamides in environmental waters. The method showed good linear range and low limits of detection, and was successfully applied for trace-level detection of sulfonamides in environmental waters.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Qian Liu, Zhiqiang Li, Liulin Wei, Xiaomei Chen, Yidong Xu, Jingchan Zhao
Summary: In this study, a thermo-switchable deep eutectic solvent was used to improve the extraction of organophosphorus pesticides and pyrethroids in water samples. The method showed fast extraction, high precision, and low detection limit.
ENVIRONMENTAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Analytical
Ziwei Ju, Jiaxuan Fan, Zilin Meng, Runhua Lu, Haixiang Gao, Wenfeng Zhou
Summary: In this study, a high-throughput automated pipetting system was combined with dispersive liquid-liquid microextraction (DLLME) to automate the sample and solvent addition steps and enable simultaneous batch sample processing. The use of a deep eutectic solvent (DES) as the extractant makes the extraction process environmentally friendly. The method exhibits satisfactory extraction performance for target analytes and can be applied to different types of DLLME. The established method shows distinct advantages in terms of fast operation, automation, and environmental friendliness compared to previously published works for the detection of neonicotinoids in edible oils.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Fernanda C. Pinheiro, Miguel Angel Aguirre, Joaquim A. Nobrega, Nerea Gonzalez-Gallardo, Diego J. Ramon, Antonio Canals
Summary: A new pretreatment method using ICP OES has been developed for the determination of Cd, Co, Hg, Ni, Pb, and V in drug samples. By optimizing the DLLME procedure with a DES solvent, the analytical capabilities have been significantly improved with lower LOQ values and higher enrichment factors compared to direct ICP OES analysis. Trueness evaluation showed satisfactory recovery and RSD values, meeting the recommended standards by USP Chapter 232.
ANALYTICA CHIMICA ACTA
(2021)
Article
Chemistry, Analytical
Yun-E Bai, Xiao-ting Zhang, Rui-ming Zhang, Jing Hou, Yuan-jing Niu, Shuang Hu, Jian-ping Gao
Summary: The determination and quantification of trace lobetyolin and atractylenolide III in Codonopsis Radix was successfully achieved using a dispersive liquid-liquid microextraction procedure with a hydrophobic deep eutectic solvent combined with high performance liquid chromatography. The deep eutectic solvent prepared by methyltrioctylammonium chloride and n-butanol was found to be the best extractant, allowing for successful differentiation between the three origins of Codonopsis Radix based on the contents of the target analytes.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Applied
David Baute-Perez, Alvaro Santana-Mayor, Antonio Herrera-Herrera, Barbara Socas-Rodriguez, Miguel Angel Rodriguez-Delgado
Summary: This study conducted the analysis of alkylphenols, bisphenols, and alkylphenol ethoxylates in bottled waters, kombuchas, and water kefir using a vortex-assisted dispersive liquid-liquid microextraction method with a natural hydrophobic eutectic solvent. The method was validated for matrix effect, linearity, limits of detection, and recovery, showing promising results for the extraction of these compounds in different beverages. The study also detected specific contaminants in the analyzed samples, providing valuable insights for future research in this area.
Article
Chemistry, Analytical
Hassan Sereshti, Mahsa Seraj, Sara Soltani, Hamid Rashidi Nodeh, Mohammad Hossein Shojaee AliAbadi, Massoud Taghizadeh
Summary: A novel green dispersive liquid-liquid microextraction (DLLME) technique based on two new natural deep eutectic solvents (NaDESs) was developed for the extraction of multiclass pesticides in different environmental waters. Important parameters influencing extraction efficiency were investigated and the optimized method was validated. The method was successfully applied to the analysis of environmental water samples, detecting various pesticide residues.
MICROCHEMICAL JOURNAL
(2022)
Article
Chemistry, Physical
Aleksei Pochivalov, Kseniia Pavlova, Sergey Garmonov, Andrey Bulatov
Summary: Numerous articles have focused on the application of hydrophobic deep eutectic solvents based on natural terpenoids and long-chain alcohols in dispersive liquid-liquid microextraction. This study investigates the use of deep eutectic solvents in the extraction of mycotoxin in cereal samples. The solvent based on DL-menthol and 1-hexanol showed high extraction recovery and satisfactory enrichment factor.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Analytical
Kirill Barbayanov, Irina Timofeeva, Andrey Bulatov
Summary: An effervescence-assisted dispersive liquid-liquid microextraction approach using a three-component deep eutectic solvent has been developed for the determination of fluoroquinolone antibiotics in foods. The proposed method showed higher extraction efficiency compared to individual hydrophobic precursors and provided effective dispersion of the extractant, speeding up the extraction process.
Article
Biochemistry & Molecular Biology
Chiara Dal Bosco, Francesca Mariani, Alessandra Gentili
Summary: A green solvent-based DLLME/HPLC-MS method has been developed for the determination of 19 pesticides in wine samples. The method shows high recovery, good precision, and low detection limits, making it a quick and cost-effective analysis.
Article
Chemistry, Applied
Farnaz Monajemzadeh, Ali Mohebbi, Mir Ali Farajzadeh, Mahboob Nemati, Mohammad Reza Afshar Mogaddam
Summary: A new sample preparation method combining magnetic effervescent tablet dispersive solid phase extraction with in syringe dispersive liquid-liquid micmextraction has been developed for the extraction of pesticides and their metabolites from egg samples. The method showed relatively low limits of detection, high enrichment factors, and extraction recoveries, with proper precision for the analysis of analytes in forty egg samples.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2021)
Article
Chemistry, Analytical
Mahdi Bamorowat, Mohammad Reza Afshar Mogaddam, Mir Ali Farajzadeh
Summary: An effervescent tablet containing ionic liquids was developed and used in ultrasonic-assisted dispersive liquid-liquid microextraction for the extraction and preconcentration of benzoylurea insecticides in fruit juice and vegetable samples. The method achieved high sensitivity and simplicity.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Mohammad Reza Afshar Mogaddam, Jalil Khandaghi, Mir Ali Farajzadeh, Davood Najafzadeh
Summary: Evaluation was conducted on the effect of sonication energy in in-situ synthesis of a deep eutectic solvent-based liquid phase microextraction process. The process was used for the extraction of five neonicotinoids insecticides from fresh fruit samples. The results showed successful extraction with low limits of detection and quantification, high enrichment factors, and acceptable precision.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Mir Ali Farajzadeh, Ali Mohebbi, Maryam Izadyar, Mohammad Reza Afshar Mogaddam, Sakha Pezhhanfar
Summary: In this study, a hyphenated sample pretreatment method based on coupling dispersive solid phase extraction and dispersive liquid-liquid microextraction was developed to extract and quantify pesticides from fruit juice samples. The method demonstrated high enrichment factors and extraction recoveries, low limits of detection and quantification, and acceptable repeatability.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Farnaz Monajjemzadeh, Mir Ali Farajzadeh, Mohammad Reza Afshar Mogaddam
Summary: An efficient and simple sample preparation method based on pressurised liquid extraction combined with deep eutectic solvent-based dispersive liquid-liquid microextraction was developed for the extraction and enrichment of pesticides and their metabolites in chicken liver samples. The method showed good repeatability, low limits of detection and quantification, and high enrichment factors and extraction recoveries.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Vahid Safavizadeh, Mohammad Reza Afshar Mogaddam, Mir Ali Farajzadeh, Mozhgan Mojkar, Matthew D. Moore, Ali Nokhodchi, Maryann Naebi, Mahboob Nemati
Summary: This review discusses the harmful effects of aflatoxins on public health and the methods to reduce their levels. The study highlights the high levels of aflatoxins in Iranian foodstuffs, emphasizing the need for more public health intervention to decrease their presence.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Maryam Zare Sani, Mohammad Reza Afshar Mogaddam, Jalil Khandaghi
Summary: A cold-induced homogenous liquid-liquid microextraction method combined with solidification of floating organic droplets effervescent-assisted dispersive liquid-liquid microextraction has been developed for simultaneous extraction of several pyrethroid and carbamate pesticides from edible oils.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Aysa Abbasalizadeh, Saeed Mohammad Sorouraddin, Mir Ali Farajzadeh, Elnaz Marzi, Mohammad Reza Afshar Mogaddam
Summary: A vortex-assisted dispersive micro-solid-phase extraction method using a new and green sorbent was developed for extracting five pesticides in fruit juice samples. Riboflavin was employed as an efficient sorbent, with broad linear ranges in calibration curves and low limits of detection and quantification. The proposed method demonstrated high enrichment factors and precision for concurrent extraction of pesticides in various fruit juice samples.
JOURNAL OF SEPARATION SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Mir Ali Farajzadeh, Nasim Fazli, Sakha Pezhhanfar, Mohammad Reza Afshar Mogaddam
Summary: A method combining magnetic solid phase extraction and dispersive liquid-liquid microextraction was developed for the simultaneous extraction and preconcentration of polycyclic aromatic hydrocarbons. The method showed low limits of detection, high precision, and satisfactory recoveries. It is easy to operate and practical.
Article
Chemistry, Analytical
Sakha Pezhhanfar, Mir Ali Farajzadeh, Seyed Abolfazl Hosseini-Yazdi, Mohammad Reza Afshar Mogaddam
Summary: This study demonstrates the first use of MIL-53 (Cu) in an analytical method for the detection and determination of pesticides in watermelon juices. The method shows low limits of detection, high enrichment factors, and reasonable extraction recoveries.
ANALYTICAL SCIENCES
(2023)
Correction
Chemistry, Multidisciplinary
Mir Ali Farajzadeh, Maryam Davaran, Ali Mohebbi, Mohammad Reza Afshar Mogaddam
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Analytical
Mahsa Morvaridi, Saeed Mohammad Sorouraddin, Mohammad Reza Afshar Mogaddam, Mir Ali Farajzadeh
Summary: A synthesised metal-organic framework (MOF) was used for dispersive micro-solid-phase extraction of heavy metal ions from fruit juice and water sample without adding an additional complexing agent. The developed method showed low detection limits and a good linear range, and was validated using a certified reference material.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Mir Ali Farajzadeh, Ali Hoboobi, Sakha Pezhhanfar, Mohammad Reza Afshar Mogaddam
Summary: In this study, a swift and economical extraction and preconcentration method called effervescence-assisted dispersive liquid-phase microextraction was developed to analyze the pesticide content of different grape juices. The method involves transferring the sample to a conical bottom glass test tube and using carbon dioxide bubbles to disperse the extraction solvent into the sample. The method has the advantages of short extraction time, no need for expensive equipment or sorbents, and uses inexpensive chemicals.
SEPARATION SCIENCE PLUS
(2023)
Article
Chemistry, Analytical
Mahdi Golsanamlou, Mahboob Nemati, Mohammad Reza Afshar Mogaddam, Mir Ali Farajzadeh
Summary: This study focuses on developing a sensitive, reliable, and efficient extraction procedure for detecting amphetamine and methamphetamine in adulterated creatine sports supplements.
ANALYTICAL METHODS
(2023)
Article
Chemistry, Analytical
Fariba Adib, Mohammad Reza Afshar Mogaddam, Mahboob Nemati, Mir Ali Farajzadeh, Ali Mohebbi, Ali Akbar Alizadeh Nabil
Summary: In this study, an air-agitation liquid-liquid microextraction procedure was developed using a new magnetic deep eutectic solvent for the extraction of polycyclic aromatic hydrocarbons from edible oil samples. The method showed efficient extraction of the target analytes without the need for centrifugation. Surfactant addition was used to enhance extraction rate. The proposed method is applicable for the analysis of various oil samples.
ANALYTICAL METHODS
(2023)
Article
Chemistry, Multidisciplinary
Sakha Pezhhanfar, Mir Ali Farajzadeh, Seyed Abolfazl Hosseini-Yazdi, Mohammad Reza Afshar Mogaddam
Summary: This study represents the first-ever attempt to use nickel gallic acid metal-organic framework (NiGA MOF) for the development of an analytical method, specifically for the extraction of plasticizers from aqueous media. The use of environmentally friendly gallic acid and nickel, along with water as a safe solvent, resulted in significant extraction recoveries, low limits of detection, and wide linear ranges.
Article
Chemistry, Analytical
Gang Qu, Yuxin Zhao, Qiaoli Zhang, Jina Wu, Xiaosen Li, Yang Yang, Shilei Liu
Summary: In this study, magnetic mesoporous materials combined with real-time in situ mass spectrometry were used for the high-throughput detection of hydrolyzed products of organophosphorus nerve agents. The method showed good linearity, low limits of detection and quantification, and high extraction recoveries. The magnetic preparation method used was quick, cost-effective, rugged, and safe. The results demonstrated the potential of this method for rapid and efficient determination of the target analytes in environmental samples.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Anna Hildebrand, Mariam Merchant, Danny O'Hare
Summary: Substandard and falsified artemisinin derivatives in antimalarials have caused significant deaths and economic losses. This study evaluates the feasibility of voltammetric methods for identifying and quantifying artemether. The findings suggest that electrochemical analysis shows promise as a method for artemether identification and quantification.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Marx Osorio Araujo Pereira, Alvaro Ferreira Junior, Edson Silvio Batista Rodrigues, Helena Mulser, Giovanna Nascimento de Mello e Silva, Wallans Torres Pio dos Santos, Eric de Souza Gil
Summary: Brazilian spotted fever (BSF) is a serious and rapidly evolving disease. A new impedimetric immunosensor was developed for rapid diagnosis by measuring specific antibodies in plasma. The sensor demonstrated selectivity and accuracy, and has potential for important applications in diagnostic testing.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Kathrin Schilling, Ronald A. Glabonjat, Olgica Balac, Marta Galvez-Fernandez, Arce Domingo-Relloso, Vesna Slavkovich, Jeff Goldsmith, Miranda R. Jones, Tiffany R. Sanchez, Ana Navas-Acien
Summary: Analysis of trace elements in urine is an important tool for assessing exposures, diagnosing nutritional status, and guiding public health and healthcare intervention. This study provides a sensitive method for analyzing 18 elements in urine samples, using only 100 μL. The results show good accuracy and sensitivity of the method.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Mengya Li, Shijie Liu, Shiliang Guo, Dong Liang, Miaoyun Li, Yaodi Zhu, Lijun Zhao, Jong-Hoon Lee, Gaiming Zhao, Yangyang Ma, Yanxia Liu
Summary: In this study, a magnetic flow device was developed to purify spores in a culture medium system. The device used magnetic nanoparticles to absorb vegetative cells, separating them from the spores. The achieved purity of the collected spores was over 95%. The study also demonstrated a rapid quantitative detection method using Raman spectroscopy.
ANALYTICAL METHODS
(2024)
Article
Chemistry, Analytical
Wanqiong Liu, Zixuan Wu, Jianwei Peng, Zebin Xu, Yong Liang
Summary: Metal-organic frameworks (MOFs) are effective carriers for molecular imprinting, but their poor dispersibility in aqueous solution is a significant drawback. In this study, we have applied amphiphilic block copolymers and molecularly imprinted technology on MOFs to improve the hydrophilicity of molecularly imprinted fluorescent materials.
ANALYTICAL METHODS
(2024)