Browsing Chemistry by Author "Alam, Md Nazmul"
Now showing items 1-10 of 10
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Calibrant Free Sampling and Enrichment with Solid-Phase Microextraction: Computational Simulation and Experimental Verification
Alam, Md. Nazmul; Ricardez-Sandoval, Luis; Pawliszyn, Janusz (American Chemical Society, 2017-04-05)Despite the benefits of diffusion-based calibrant-free sampling based on solid-phase microextraction (SPME), this quantification approach is often underestimated due to an inadequate understanding of how extraction parameters ... -
Development and validation of eco-friendly strategies based on thin film microextraction for water analysis
Piri-Moghadam, Hamed; Gionfriddo, Emanuela; Grandy, Jonathan J.; Alam, Md. Nazmul; Pawliszyn, Janusz (Elsevier, 2018-12-07)The aim of the current study is the establishment of Green Analytical Chemistry strategies for water analysis by elimination/reduction of hazardous chemicals, energy consumption, and waste generation throughout the entire ... -
The effect of hematocrit on solid-phase microextraction
Reyes-Garcés, Nathaly; Alam, Md. Nazmul; Pawliszyn, Janusz (Elsevier, 2018-02-25)Solid-phase microextraction (SPME) is an approach to sample preparation that has demonstrated its appropriateness for isolating/enriching analytes present in complex biofluids with minimum sample pre-treatment. Several ... -
Insight into Quantitation of Solid-phase Microextraction
Alam, Md Nazmul (University of Waterloo, 2016-07-21)Solid-phase microextraction (SPME) is a well-known sampling and sample preparation technique used for a wide variety of analytical applications. As there are various complex processes taking place at the time of extraction ... -
Insights into the Effect of the PDMS-Layer on the Kinetics and Thermodynamics of Analyte Sorption onto the Matrix-Compatible Solid Phase Microextraction Coating
Souza-Silva, Erica A.; Gionfriddo, Emanuela; Alam, Md. Nazmul; Pawliszyn, Janusz (American Chemical Society, 2017-03-07)The currently presented research investigated the performance of matrix compatible PDMS-overcoated fibers (PDMS-DVB/PDMS) as compared to unmodified PDMS/ DVB coatings using aqueous samples and employing a wide range of ... -
Numerical Modeling of Solid-Phase Microextraction: Binding Matrix Effect on Equilibrium Time
Alam, Md. Nazmul; Ricardez-Sandoval, Luis; Pawliszyn, Janusz (American Chemical Society, 2015-09-07)Solid-phase microextraction (SPME) is a well-known sampling and sample preparation technique used for a wide variety of analytical applications. As there are various complex processes taking place at the time of extraction ... -
Numerical Modeling of Solid-Phase Microextraction: Binding Matrix Effect on Equilibrium Time
Alam, Md. Nazmul; Ricardez-Sandoval, Luis; Pawliszyn, Janusz (American Chemical Society, 2015-10-06)Solid-phase microextraction (SPME) is a well-known sampling and sample preparation technique used for a wide variety of analytical applications. As there are various complex processes taking place at the time of extraction ... -
Numerical simulation and experimental validation of calibrant-loaded extraction phase standardization approach
Alam, Md. Nazmul; Pawliszyn, Janusz (American Chemical Society, 2016-08-10)We present the kinetics of calibrant release and analyte uptake between the sample and calibrant-loaded extraction phase, CL-EP with a finite-element analysis (FEA) using COMSOL Multiphysics® software package. Effect of ... -
Numerical Simulation and Experimental Validation of Calibrant-Loaded Extraction Phase Standardization Approach
Alam, Md. Nazmul; Pawliszyn, Janusz (American Chemical Society, 2016-09-06)We present the kinetics of calibrant release and analyte uptake between the sample and calibrant-loaded extraction phase, CL-EP, with a finite-element analysis (FEA) using COMSOL Multiphysics software package. Effect of ... -
Review of geometries and coating materials in solid phase microextraction: Opportunities, limitations, and future perspectives
Piri-Moghadam, Hamed; Alam, Md. Nazmul; Pawliszyn, Janusz (Elsevier, 2017-09-01)The development of new support and geometries of solid phase microextraction (SPME), including metal fiber assemblies, coated-tip, and thin film microextraction (TFME) (i.e. self-supported, fabric and blade supported), as ...