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Selected papers from the latest issue:Microextraction by packed syringe (MEPS): A tutorial
23 June 2011, 21:41:42
Publication year: 2011
Source: Analytica Chimica Acta, In Press, Accepted Manuscript, Available online 23 June 2011
Mohamed, Abdel-Rehim
This tutorial provides an overview on a new technique for sample preparation, microextraction by packed syringe (MEPS). Not only the automation process by MEPS is the advantage but also the much smaller volumes of the samples, solvents and dead volumes in the system. Other significant advantages such as the speed and the simplicity of the sample preparation process are provided.In this tutorial the main concepts of MEPS will be elucidated. Different practical aspects in MEPS are addressed. The factors affecting MEPS performance will be discussed. The application of MEPS in clinical and pre-clinical studies for quantification of drugs and metabolites...
Source: Analytica Chimica Acta, In Press, Accepted Manuscript, Available online 23 June 2011
Mohamed, Abdel-Rehim
This tutorial provides an overview on a new technique for sample preparation, microextraction by packed syringe (MEPS). Not only the automation process by MEPS is the advantage but also the much smaller volumes of the samples, solvents and dead volumes in the system. Other significant advantages such as the speed and the simplicity of the sample preparation process are provided.In this tutorial the main concepts of MEPS will be elucidated. Different practical aspects in MEPS are addressed. The factors affecting MEPS performance will be discussed. The application of MEPS in clinical and pre-clinical studies for quantification of drugs and metabolites...
Review ofAnalytical Methods for the Quantification of Iodine in Complex Matrices
23 June 2011, 21:41:42
Publication year: 2011
Source: Analytica Chimica Acta, In Press, Accepted Manuscript, Available online 23 June 2011
C. Phillip, Shelor , Purnendu K., Dasgupta
Iodine is an essential element of human nutrition. Nearly a third of the global population has insufficient iodine intake and is at risk of developing Iodine Deficiency Disorders. Most countries have iodine supplementation and monitoring programs. Urinary iodide(UI)is the biomarker used for epidemiological studies; only a few methods are currently used routinely for analysis. These methods either require expensive instrumentation with qualified personnel(Inductively coupled plasma-Mass Spectrometry, Instrumental Nuclear Activation Analysis) or oxidative sample digestion to remove potential interferences priorto analysis by a kinetic colorimetric method originally introducedby Sandell and Kolthoff ∼75 years ago. The Sandell-Kolthoff (S-K) method is based on...
Source: Analytica Chimica Acta, In Press, Accepted Manuscript, Available online 23 June 2011
C. Phillip, Shelor , Purnendu K., Dasgupta
Iodine is an essential element of human nutrition. Nearly a third of the global population has insufficient iodine intake and is at risk of developing Iodine Deficiency Disorders. Most countries have iodine supplementation and monitoring programs. Urinary iodide(UI)is the biomarker used for epidemiological studies; only a few methods are currently used routinely for analysis. These methods either require expensive instrumentation with qualified personnel(Inductively coupled plasma-Mass Spectrometry, Instrumental Nuclear Activation Analysis) or oxidative sample digestion to remove potential interferences priorto analysis by a kinetic colorimetric method originally introducedby Sandell and Kolthoff ∼75 years ago. The Sandell-Kolthoff (S-K) method is based on...
A novel silver-coated solid-phase microextraction metal fiber based on electroless plating technique
23 June 2011, 21:41:42
Publication year: 2011
Source: Analytica Chimica Acta, In Press, Accepted Manuscript, Available online 23 June 2011
Juanjuan, Feng , Min, Sun , Jubai, Li , Xia, Liu , Shengxiang, Jiang
A novel silver-coated solid-phase microextraction fiber was prepared based on electroless plating technique. Good extraction performance of the fiber for model compounds including phthalate esters (dibutyl phthalate, dioctyl phthalate, dicyclohexyl phthalate and diallyl phthalate) and polycyclic aromatic hydrocarbons (naphthalene, fluorene, phenanthrene, fluoranthene) in aqueous solution was obtained. Under the optimized conditions (extraction temperature, extraction time, ionic strength and desorption temperature), the proposed SPME-GC method showed wide linear ranges with correlation coefficients (R2) ranging from 0.9745 to 0.9984. The limits of detection were at the range of 0.02 to 0.1μgL−1. Single fiber repeatability and fiber-to-fiber reproducibility as well as stability to...
Source: Analytica Chimica Acta, In Press, Accepted Manuscript, Available online 23 June 2011
Juanjuan, Feng , Min, Sun , Jubai, Li , Xia, Liu , Shengxiang, Jiang
A novel silver-coated solid-phase microextraction fiber was prepared based on electroless plating technique. Good extraction performance of the fiber for model compounds including phthalate esters (dibutyl phthalate, dioctyl phthalate, dicyclohexyl phthalate and diallyl phthalate) and polycyclic aromatic hydrocarbons (naphthalene, fluorene, phenanthrene, fluoranthene) in aqueous solution was obtained. Under the optimized conditions (extraction temperature, extraction time, ionic strength and desorption temperature), the proposed SPME-GC method showed wide linear ranges with correlation coefficients (R2) ranging from 0.9745 to 0.9984. The limits of detection were at the range of 0.02 to 0.1μgL−1. Single fiber repeatability and fiber-to-fiber reproducibility as well as stability to...
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