Author

Astrid Gjelstad

Observed names: A. Gjelstad, Gjelstad Astrid, Gjelstad, Astrid

Institution: University of Oslo

Observed institution: University of Oslo

ORCID: 0000-0002-4444-1794

Observed ORCID: 0000-0002-4444-1794

OpenAlex ID: A5050003006

Simulation of flux during electro-membrane extraction based on the Nernst–Planck equation

2007 · Astrid Gjelstad, Knut Einar Rasmussen, et al. · Journal of Chromatography A · 247

Electrokinetic migration of acidic drugs across a supported liquid membrane

2006 · Marte Balchen, Astrid Gjelstad, et al. · Journal of Chromatography A · 236

Electrokinetic migration across artificial liquid membranes

2006 · Astrid Gjelstad, Knut Einar Rasmussen, et al. · Journal of Chromatography A · 233

Microextraction across supported liquid membranes forced by pH gradients and electrical fields

2007 · Astrid Gjelstad, Torill Marita Andersen, et al. · Journal of Chromatography A · 178

Low-voltage electromembrane extraction of basic drugs from biological samples

2008 · Inger Johanne Østegaard Kjelsen, Astrid Gjelstad, et al. · Journal of Chromatography A · 175

Parameters affecting electro membrane extraction of basic drugs

2008 · Torunn M. Middelthon‐Bruer, Astrid Gjelstad, et al. · Journal of Separation Science · 157

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Electromembrane extraction

2017 · Chuixiu Huang, Zhiliang Chen, et al. · TrAC Trends in Analytical Chemistry · 153

Electromembrane extraction of basic drugs from untreated human plasma and whole blood under physiological pH conditions

2008 · Astrid Gjelstad, Knut Einar Rasmussen, et al. · Analytical and Bioanalytical Chemistry · 141

Electromembrane extraction–Recent trends and where to go

2017 · Stig Pedersen-Bjergaard, Chuixiu Huang, et al. · Journal of Pharmaceutical Analysis · 107

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Recent developments in electromembrane extraction

2013 · Astrid Gjelstad, Stig Pedersen-Bjergaard · Analytical Methods · 102

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Kinetic electro membrane extraction under stagnant conditions—Fast isolation of drugs from untreated human plasma

2010 · Lars Erik Eng Eibak, Astrid Gjelstad, et al. · Journal of Chromatography A · 99

Kinetic aspects of hollow fiber liquid-phase microextraction and electromembrane extraction

2011 · Astrid Gjelstad, Henrik Jensen, et al. · Analytica Chimica Acta · 93

Electromembrane Extraction: A New Technique for Accelerating Bioanalytical Sample Preparation

2011 · Astrid Gjelstad, Stig Pedersen-Bjergaard · Bioanalysis · 89

Three-phase hollow fiber liquid-phase microextraction and parallel artificial liquid membrane extraction

2019 · Astrid Gjelstad · TrAC Trends in Analytical Chemistry · 87

Organic solvents in electromembrane extraction: recent insights

2016 · Chuixiu Huang, Astrid Gjelstad, et al. · Reviews in Analytical Chemistry · 86

Electromembrane Extraction from Biological Fluids

2011 · Nickolaj Jacob Petersen, Knut Einar Rasmussen, et al. · Analytical Sciences · 85

Exhaustive electromembrane extraction of some basic drugs from human plasma followed by liquid chromatography–mass spectrometry

2011 · Lars Erik Eng Eibak, Astrid Gjelstad, et al. · Journal of Pharmaceutical and Biomedical Analysis · 79

Electromembrane extraction for pharmaceutical and biomedical analysis – Quo vadis

2015 · Chuixiu Huang, Knut Fredrik Seip, et al. · Journal of Pharmaceutical and Biomedical Analysis · 78

Parallel Artificial Liquid Membrane Extraction: Micro-Scale Liquid–Liquid–Liquid Extraction in The 96-Well Format

2013 · Astrid Gjelstad, Knut Einar Rasmussen, et al. · Bioanalysis · 78

Hollow fiber-liquid-phase microextraction of fungicides from orange juices

2010 · Francisco Barahona, Astrid Gjelstad, et al. · Journal of Chromatography A · 78

Development of a flat membrane based device for electromembrane extraction: A new approach for exhaustive extraction of basic drugs from human plasma

2013 · Chuixiu Huang, Lars Erik Eng Eibak, et al. · Journal of Chromatography A · 76

Electromembrane extraction: Distribution or electrophoresis?

2012 · Knut Fredrik Seip, Henrik Jensen, et al. · Electrophoresis · 75

Electromembrane extraction of stimulating drugs from undiluted whole blood

2011 · Ragnhild Elén Gjulem Jamt, Astrid Gjelstad, et al. · Journal of Chromatography A · 69

Selective electromembrane extraction at low voltages based on analyte polarity and charge

2012 · Noelia Cabaleiro Domínguez, Astrid Gjelstad, et al. · Journal of Chromatography A · 66

Combination of Electromembrane Extraction and Liquid-Phase Microextraction in a Single Step: Simultaneous Group Separation of Acidic and Basic Drugs

2015 · Chuixiu Huang, Knut Fredrik Seip, et al. · Analytical Chemistry · 64

Works count: 97

Citation count: 4,612

H-index: 39

I10-index: 72