Uptake and release kinetics of organic contaminants associated with micro-and nanoplastic particles

RM Town, HP van Leeuwen - Environmental science & …, 2020 - ACS Publications
A generic theoretical framework is presented for describing the kinetics of uptake and
release of organic compounds that associate with plastic particles. The underlying concepts …

[HTML][HTML] Fiber coating based on a green metal-organic framework to determine phthalates in bottled waters by direct-immersion micro solid-phase extraction

AJ Rascón, P Rocío-Bautista, D Moreno-González… - Microchemical …, 2023 - Elsevier
The metal-organic framework CIM-80 (Al) is proposed as sorbent coating for solid-phase
microextraction fibers. The novel CIM-80 (Al)-based microextraction fibers (SPME) with a …

Numerical simulation and experimental validation of calibrant-loaded extraction phase standardization approach

MN Alam, J Pawliszyn - Analytical chemistry, 2016 - ACS Publications
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 …

Speciation analysis of aqueous nanoparticulate diclofenac complexes by solid-phase microextraction

K Zielińska, HP van Leeuwen, S Thibault, RM Town - Langmuir, 2012 - ACS Publications
The dynamic sorption of an organic compound by nanoparticles (NPs) is analyzed by solid-
phase microextraction (SPME) for the example case of the pharmaceutical diclofenac in …

Dynamic speciation analysis of atrazine in aqueous latex nanoparticle dispersions using solid phase microextraction (SPME)

K Benhabib, RM Town, HP van Leeuwen - Langmuir, 2009 - ACS Publications
Solid phase microextraction (SPME) is applied in the dynamic speciation analysis of the
pesticide atrazine in an aqueous medium containing sorbing latex nanoparticles. It is found …

Temporal resolution of solid-phase microextraction: measurement of real-time concentrations within a dynamic system

X Zhang, KD Oakes, D Luong, JZ Wen… - Analytical …, 2010 - ACS Publications
To address the challenge of measuring real-time analyte concentrations within dynamic
systems, the temporal resolution of the solid-phase microextraction (SPME) approach has …

Prediction of partition coefficients of organic compounds between SPME/PDMS and aqueous solution

KP Chao, YT Lu, HW Yang - International journal of molecular sciences, 2014 - mdpi.com
Polydimethylsiloxane (PDMS) is commonly used as the coated polymer in the solid phase
microextraction (SPME) technique. In this study, the partition coefficients of organic …

Lability of nanoparticulate metal complexes in electrochemical speciation analysis

HP van Leeuwen, RM Town - Journal of Solid State Electrochemistry, 2016 - Springer
Lability concepts are elaborated for metal complexes with soft (3D) and hard (2D) aqueous
nanoparticles. In the presence of a non-equilibrium sensor, eg a voltammetric electrode, the …

Role of nanoparticles in analytical solid phase microextraction (SPME)

K Zielińska, HP van Leeuwen - Environmental Chemistry, 2013 - CSIRO Publishing
Environmental context Organic hydrophobic compounds are present in water in low
concentrations, and they can be analysed by means of a preconcentration technique called …

Solid phase microextraction speciation analysis of triclosan in aqueous media containing sorbing nanoparticles

K Zielińska - Environmental Chemistry, 2014 - CSIRO Publishing
Environmental context Speciation analysis of organic compounds in aquatic media is often
performed using solid phase microextraction with the assumption that only the free organic …