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Revolutionizing biomarker analysis one tip at a time – coupling antibody to Volumetric Absorptive Microsamplers for sensitive LC-MS analysis
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Adv. Sample Prep., 11 (2024) 100121, DOI: 10.1016/j.sampre.2024.100121
An efficient and green method for the analysis of synthetic cathinones in whole blood using 96-well electromembrane extraction and LC-MS/MS
Fabris AL, Hansen FA, Yonamine M, Pedersen-Bjergaard S, Øiestad EL
Sustain. Chem. Pharm., 38 (2024) 101494, DOI: 10.1016/j.scp.2024.101494
Solvent-free parallel artificial liquid membrane extraction for drugs of abuse in plasma samples using LC-MS/MS
Fabris AL, Pedersen-Bjergaard S, Øiestad EL, Rossi GN, Hallak JEC, dos Santos RG, Costa JL, Yonamine M
Anal. Chim. Acta, 1301 (2024) 342387, DOI: 10.1016/j.aca.2024.342387
Agarose-based electromembrane extraction using silica nanoparticles coated with polymeric deep eutectic solvent as a membrane additive
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J. Mol. Liq., 401 (2024) 124615, DOI: 10.1016/j.molliq.2024.12461
Advancements in Clinical Approaches, Analytical Methods and Smart Sampling for LC-MS based Protein Determination from Dried Matrix Spots
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J. Sep. Sci., 47 (2024) 2400061, DOI: 10.1002/jssc.202400061
Electromembrane extraction of peptides – looking retrospectively into published studies
Rye TK, Dowlatshah S, Hansen FA, Halvorsen TG, Pedersen-Bjergaard S
Adv. Sample Prep., 9 (2024) 100106, DOI: 10.1016/j.sampre.2024.100106
Parallel electromembrane extraction of peptides with monoterpene and medium-length fatty acid deep eutectic solvents
Dowlatshah S, Rye TK, Hansen FA, Halvorsen TG, Pedersen-Bjergaard S
Anal. Chim. Acta, 1297 (2024) 342360, DOI: 10.1016/j.aca.2024.342360
Optimization of generic conditions for electromembrane extraction of basic substances of moderate or low polarity
Song C, Zhou C, Hansen FA, Hay AO, Pedersen-Bjergaard S
J. Sep. Sci. 47 (2024) 2300801, DOI: 10.1002/jssc.202300801
Generic conditions for electromembrane extraction of polar bases
Zhou C, Dowlatshah D, Hansen FA, Pedersen-Bjergaard S
Talanta, 267 (2024) 125215, DOI: 10.1016/j.talanta.2023.125215
One-step functionalization of paper and simplified antibody immobilization for on-the-spot immunocapture from dried serum in LC-MS-based targeted protein determination
Mrsa A, Nardini G, Halvorsen TG, Thiede B, Reubsaet L
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2023
Extraction performance of electromembrane extraction and liquid-phase microextraction in prototype equipment
Schüller M, Hansen FA, Pedersen-Bjergaard S
J. Chrom. A., 1710 (2023) 464440, DOI: 10.1016/j.chroma.2023.464440
Smart sampling as the 'spot-on' method for LC-MS protein analysis from dried blood spots
Johannsen C, Mrsa A, Halvorsen TG, Reubsaet L
J. Sep. Sci., 46 (2023) 2300394, DOI: 10.1002/jssc.202300394
The 25th Norwegian symposium on chromatography (editorial)
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Anal. Sci. Adv., 4 (2023) 223, DOI: 10.1002/ansa.202300035
Dried blood spot analysis with liquid chromatography and mass spectrometry: Trends in clinical chemistry
Skogvold HB, Rootwelt H, Reubsaet L, Elgstøen KBP, Wilson SR
J. Sep. Sci., (2023), DOI: 10.1002/jssc.202300210
Is it the end of dried blood spots as we know it?
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Anal. Sci. Adv., 4 (2023) 267, DOI: 10.1002/ansa.202300006
Microsampling in targeted mass spectrometry-based protein analysis of low-abundance proteins
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J. Vis. Exp., 191 (2023) e64473, DOI: 10.3791/64473
High-throughput quantification of emerging “nitazene” benzimidazole opioid analogs by microextraction and UHPLC-MS/MS
Schüller M, Lucic I, Øiestad ÅML, Pedersen-Bjergaard S, Øiestad EL.
Anal. Toxicol., (2023) bkad071, DOI: 10.1093/jat/bkad071
Conductive vial electromembrane extraction –Principles and practical operation
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Anal. Sci. Adv., 4 (2023) 236–243, DOI: 10.1002/ansa.202200065
Electromembrane extraction of peptides based on hydrogen bond interactions
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Anal. Chim. Acta, 1275 (2023) 341610, DOI: 10.1016/j.aca.2023.341610
Conductive vial electromembrane extraction from oral fluid
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Anal. Bioanal. Chem., 415 (2023) 5323–5335, DOI: 10.1007/s00216-023-04807-3
Generic Liquid Membranes for Electromembrane Extraction of Bases with Low or Moderate Hydrophobicity
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Anal. Chem., 95 (2023) 8982-8989, DOI: 10.1021/acs.analchem.3c01052
Determination of amphetamine enantiomers in urine by conductive vial electromembrane extraction and ultra-high performance supercritical fluid chromatography tandem mass spectrometry
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Drug Test. Anal., 15 (2023) 909-918, DOI: 10.1002/dta.3487
Determination of tryptamine analogs in whole blood by 96-well electromembrane extraction and UHPLC-MS/MS
Schüller M, McQuade TAP, Bergh MSS, Pedersen-Bjergaard S, Øiestad EL
Talanta Open, 7 (2023) 100171, DOI: 10.1016/j.talo.2022.100171
Gel electro-membrane extraction: An overview of recent strategies for extraction efficiency enhancement
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Trends Anal. Chem., 160 (2023) 116990, DOI: 10.1016/j.trac.2023.116990
2022
The utility of molecularly imprinted polymers for mass spectrometric protein and proteomics analysis
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Proteomics, 22 (2022) 2100395, DOI: 10.1002/pmic.202100395
Next generation VAMS® - trypsin immobilization for instant proteolysis in bottom-up protein determination
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Adv. Sample Prep., 3 (2022) 100027, DOI: 10.1016/j.sampre.2022.100027
On the spot immunocapture in targeted biomarker analysis using paper-bound streptavidin as anchor for biotinylated antibodies
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Anal. Bioanal. Chem., 414 (2022) 5979, DOI: 10.1007/s00216-022-04161-w
Smart proteolysis samplers for pre-lab bottom-up protein analysis - performance of on-paper digestion compared to conventional digestion
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Sep. Sci. plus, 5 (2022) 171, DOI: 10.1002/sscp.202100062
Analytical Chemistry: There is no green like more green
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LCGC Europe 2022, 438-439
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Green Anal. Chem., 3 (2022) 100028, DOI: 10.1016/j.greeac.2022.100028
Introduction to Preparative Chromatography: Description of a Setup with Continuous Detection
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J. Chem. Educ, 99(6) (2022) 2372–2377, DOI: 10.1021/acs.jchemed.1c00917
A rapid and versatile microfluidic method for the simultaneous extraction of polar and non-polar pharmaceuticals from human urine
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The ten principles of green sample preparation
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Trends Anal. Chem., 148 (2022) 116530, DOI: 10.1016/j.trac.2022.116530
Direct electromembrane extraction-based mass spectrometry: a tool for studying drug metabolism properties of liver organoids
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Anal. Sens., 2 (2022) e202100051, DOI: 10.1002/anse.202100051
Determination of methotrexate and its metabolites in human plasma by electromembrane extraction in conductive vials followed by LC-MS/MS
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Adv. Sample Prep., 2 (2022) 100011, DOI: 10.1016/j.sampre.2022.100011
Electromembrane extraction in microfluidic formats
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J. Sep. Sci., 45 (2022) 246-257, DOI: 10.1002/jssc.202100603
Membrane-based liquid-phase microextraction of basic pharmaceuticals – A study on the optimal extraction window
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J. Chromatogr. A, 1664 (2022) 462769, DOI: 10.1016/j.chroma.2021.462769
Advanced microextraction techniques for the analysis of amphetamines in human breast milk and their comparison with conventional techniques
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Effect of sample matrices on supported liquid membrane: Efficient electromembrane extraction of cathinones from biological samples
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Talanta, 240 (2022) 123175, DOI: 10.1016/j.talanta.2021.123175
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On-Line Duplex Molecularly Imprinted Solid-Phase Extraction for Analysis of Low-Abundant Biomarkers in Human Serum by Liquid Chromatography-Tandem Mass Spectrometry
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Affinity Capture in Bottom-up Protein Analysis – Overview of Current Status of Proteolytic Peptide Capture using Antibodies and Molecularly Imprinted Polymers
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Anal. Chim. Acta, 1182 (2021) 338714, DOI: 10.1016/j.aca.2021.338714
Next-Generation Dried Blood Spot Samplers for Protein Analysis: Describing Trypsin-Modified Smart Sampling Paper
Pizzi E, Halvorsen TG, Koehler CJ, Reubsaet L
Separations, 8 (2021) 66, DOI: 10.3390/separations8050066
Matrix-Assisted Ionization and Tandem Mass Spectrometry Capabilities in Protein Biomarker Characterization - An initial study using the Small Cell Lung Cancer Biomarker Progastrin Releasing Peptide as Model Compound
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J. Am. Soc. Mass Spectrom., 32 (2021) 611, DOI: 10.1021/jasms.0c00336
Matrix assisted ionization mass spectrometry in targeted protein analysis – an initial evaluation
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Rapid Commun. Mass Sepctrom., 35 (2021) e8437, DOI: 10.1002/rcm.8437
Green and sustainable drug analysis – Combining microsampling and microextraction of drugs of abuse
Mestad IO, Gjelstad A, Pedersen-Bjergaard S, Øiestad EL
Sustain. Chem. Pharm., 24 (2021) 100517, DOI: 10.1016/j.scp.2021.100517
Versatile Integration of liquid-phase microextraction and fluorescent aptamer beacons: A synergistic effect for bioanalysis
Lin B, Liu H, Huang C, Xiao X, Pedersen-Bjergaard S, Shen X
Anal. Chem., 93 (2021) 14323-14333, DOI: 10.1021/acs.analchem.1c03600
Electromembrane extraction of peptides using deep eutectic solvents as liquid membrane
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Anal. Chim. Acta, 1175 (2021) 338717, DOI: 10.1016/j.aca.2021.338717
The electromembrane extraction of pharmaceutical compounds from animal tissues
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Anal. Chim. Acta, 1177 (2021) 338742, DOI: 10.1016/j.aca.2021.338742
Selectivity and efficiency of electromembrane extraction of polar bases with different liquid membranes – Link to analyte properties
Hansen FA, Tirandaz S, Pedersen-Bjergaard S
J. Sep. Sci. 44 (2021) 2631-2641, DOI: 10.1002/jssc.202100167
Ultrasound-assisted electromembrane extraction with supported semi-liquid membrane
Shang Q, Mei H, Feng X, Huang C, Pedersen-Bjergaard S, Shen X
Anal. Chim. Acta, 1184 (2021) 339038, DOI: 10.1016/j.aca.2021.339038
Removal of polymerase chain reaction inhibitors by electromembrane extraction
Liu C, Huang D, Yang L, Wu S, Shen X, Pedersen-Bjergaard S, Huang C
Anal. Chem., 93 (2021) 11488-11496, DOI: 10.1021/acs.analchem.1c01689
Determination of psychoactive drugs in serum using conductive vial electromembrane extraction combined with UHPLC-MS/MS
Skaalvik TG, Øiestad EL, Trones R, Pedersen-Bjergaard S, Hegstad S
J. Chromatogr. B, 1183 (2021) 122926, DOI: 10.1016/j.jchromb.2021.122926
Microfluidic liquid-phase microextraction based on natural deep eutectic solvents immobilized in agarose membranes
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J. Chromatogr. A, 1657 (2021) 462580, DOI: 10.1016/j.chroma.2021.462580
Electromembrane extraction of polar substances – Status and perspectives
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J. Pharm. Biomed. Anal., 207 (2021) 114407, DOI: 10.1016/j.jpba.2021.114407
Green microfluidic liquid-phase microextraction of polar and non-polar acids from urine
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Anal. Bioanal. Chem., 413 (2021) 3717-3723, DOI: 10.1007/s00216-021-03320-9
Quality papers on sample preparation and extraction
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Talanta Open, 3 (2021) 100043, DOI: 10.1016/j.talo.2021.100043
Electromembrane extraction of peptides and amino acids – status and perspectives
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Bioanalysis, 13 (2021) 277-289, DOI: 10.4155/bio-2020-0285
Electromembrane Extraction and Mass Spectrometry for Liver Organoid Drug Metabolism Studies
Skottvoll FS, Hansen FA, Harrison S, Boger IS, Mrsa A, Restan MS, Stein M, Lundanes E, Pedersen-Bjergaard S, Aizenshtadt A, Krauss S, Sullivan G, Bogen IL, Wilson SR
Anal. Chem., 93 (2021) 3576-3585, DOI: 10.1021/acs.analchem.0c05082
Organic-solvent-free electromembrane extraction based on semi-interpenetrating polymer networks
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Green Chem., 23 (2021) 1782-1793, DOI: 10.1039/D1GC00148E
Electromembrane extraction of streptomycin from biological fluids
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Electromembrane extraction of anthracyclines from plasma: Comparison with conventional extraction techniques
Piskackova HB, Øiestad EL, Vanova N, Lengvarska J, Sterbova-Kovarikova P, Pedersen-Bjergaard S
Talanta, 223 (2021) 121748, DOI: 10.1016/j.talanta.2020.121748
Electromembrane extraction using deep eutectic solvents as the liquid membrane
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Anal. Chim. Acta, 1143 (2021) 109-116, DOI: 10.1016/j.aca.2020.11.044
2020
Liquid chromatography mass spectrometry based characterization of epitope configurations
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Anal. Meth., 12 (2020) 5476, DOI: 10.1039/D0AY01283A
Facilitating Serum Determination of Neuron Specific Enolase at Clinically Relevant Levels by Coupling On-line Molecularly Imprinted Solid-Phase Extraction to LC-MS/MS
McKitterick N, Bicak TC, Cormack P, Reubsaet L, Halvorsen TG
Anal. Chim. Acta, 1140 (2020) 210, DOI: 10.1016/j.aca.2020.10.022
Magnetic Synthetic Receptors for Selective Clean-Up in Protein Biomarker Quantification
McKitterick N, Braathen F, Świtnicka-Plak MA, Reubsaet L, Cormack P, Halvorsen TG
J. Proteome Res., 19 (2020) 3573, DOI: 10.1021/acs.jproteome.0c00258
Dried Blood Spots in Mass Spectrometry-based Protein Analysis. Recent Developments including Sampling of other Biological Matrices and Novel Sampling Technologies
Halvorsen TG, Rosting C, Skjærvø Ø, Reubsaet L
LC GC Europe, 33 (2020) 222
Nano volume fractionation strategy for dilute-and-shoot injections in off-line loss-less proteomic workflows for extensive protein identifications of ultra-low sample amounts
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J. Chromatogr. A, 1609 (2020) 460507, DOI: 10.1016/j.chroma.2019.460507
Human Chorionic Gonadotropin Determination using Mass Spectrometry
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Pre-lab proteolysis for dried serum spots – a paper-based sampling concept targeting low abundant biomarkers
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Anal. Methods, 12 (2020) 97, DOI: 10.1039/C9AY01976F
Electromembrane extraction with vials of conducting polymer
Drobnjak M, Hansen F, Øiestad EL, Løvli T, Trones R, Martinsen ØG, Pedersen-Bjergaard S
LCGC North America 38 (2020) 435-439
Bioanalysis of pharmaceuticals using liquid-phase microextraction and liquid chromatography-mass spectrometry
Hansen F, Øiestad EL, Pedersen-Bjergaard S
J. Pharm. Biomed. Anal., 189 (2020) 113446, DOI: 10.1016/j.jpba.2020.113446
Electromembrane extraction of sodium dodecyl sulfate from highly concentrated solutions
Restan MS, Skottvoll F, Jensen H, Pedersen-Bjergaard S
Analyst, 145 (2020) 4957-4963, DOI: 10.1039/D0AN00622J
Influence of acid-base dissociation equilibria during electromembrane extraction
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J. Sep. Sci., 43 (2020) 3120-3128, DOI: 10.1002/jssc.202000391
Microextraction with supported liquid membranes
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Electromembrane extraction of highly polar bases from biological samples – Deeper insight into bis(2-ethylhexyl) phosphate as ionic carrier
Hansen FA, Kuban P, Øiestad EL, Pedersen-Bjergaard S
Anal. Chim. Acta, 1115 (2020) 23-32, DOI: 10.1016/j.aca.2020.04.027
Impact of ion balance in electromembrane extraction
Hansen, FA, Jaghl F, Øiestad EL, Jensen H, Pedersen-Bjergaard S, Huang C
Anal. Chim. Acta, 1124 (2020) 129-136, DOI: 10.1016/j.aca.2020.05.039
Exploiting agarose gel modified with glucose-fructose syrup as a green sorbent in rotating-disk sorptive extraction technique for the determination of trace malondialdehyde in biological and food samples
Fashi A, Cheraghi M, Ebadipur H, Ebadipur H, Zamani A, Badie, H, Pedersen-Bjergaard S
Talanta, 217 (2020) 121001, DOI: 10.1016/j.talanta.2020.121001
Electromembrane extraction using sacrificial electrodes
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Anal. Chem., 92 (2020) 5595-5603, DOI: 10.1021/acs.analchem.0c00626
Unidirectional solute transfer using a Janus membrane
Dong, Y., Li, J., Pedersen-Bjergaard, S., Huang, C.
J. Membr. Sci., 596 (2020) 117723, DOI: 10.1016/j.memsci.2019.117723
3D cell culture models and organ-on-a-chip: Meet separation science and mass spectrometry
Lin A, Skottvoll FS, Rayner S, Pedersen-Bjergaard S, Sullivan G, Krauss S, Wilson S, Harrison S
Electrophoresis, 41 (2020) 56-64, DOI: 10.1002/elps.201900170
Emerging Extraction Strategies in Analytical Chemistry
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Anal. Chem., 92 (2020) 2-15, DOI: 10.1021/acs.analchem.9b04677
Towards exhaustive electromembrane extraction under stagnant conditions
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Anal. Chim. Acta, 1104 (2020) 1-9, DOI: 10.1016/j.aca.2020.01.058
Hollow fiber-based liquid phase microextraction followed by analytical instrumental techniques for quantitative analysis of heavy metal ions and pharmaceuticals
Khan WA, Arain MB, Yamini Y, Shah N, Kazi TG, Pedersen-Bjergaard S, Tajik M
J. Pharm. Anal., 10 (2020) 109-122, DOI: 10.1016/j.jpha.2019.12.003
Microextraction approaches for bioanalytical applications: An overview
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Immunocapture sample clean-up in determination of low abundant protein biomarkers – A feasibility study of peptide capture by anti-protein antibodies
Levernæs MCS, Farhat B, Oulie I, Abdullah SS, Paus E, Reubsaet L, Halvorsen TG
RCS Advances, 9 (2019) 34902, DOI: 10.1039/C9RA05071J
All-in-one paper-based sampling chip for targeted protein analysis
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Anal. Chim. Acta, 1089 (2019) 56, DOI: 10.1016/j.aca.2019.08.043
Data-Independent Acquisition for the Orbitrap Q Exactive HF: A Tutorial.
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Journal of Proteome Research, 18 (2019) 803, DOI: 10.1021/acs.jproteome.8b00845
Paper-based immunocapture for targeted protein analysis
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Three-phase hollow fiber liquid-phase microextraction and parallel artificial liquid membrane extraction
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Trends Anal. Chem., 113 (2019) 25-31, DOI: 10.1016/j.trac.2019.01.007
Electromembrane extraction: Overview of the last decade
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Electromembrane extraction of unconjugated fluorescein isothiocyanate from solutions of labelled proteins prior to flow induced dispersion analysis
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Anal. Chem., 91 (2019) 6802-6708, DOI: 10.1021/acs.analchem.9b00730
Electromembrane extraction with solvent modification of the acceptor solution: improved mass transfer of drugs of abuse from human plasma
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Bioanalysis, 11 (2019) 755-771, DOI: 10.4155/bio-2018-0308
Introduction to pharmaceutical analytical chemistry
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G.I.T. Laboratory Journal 3 (2019) 9
The modern role of smartphones in analytical chemistry
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Analytical microextraction – Present status and future directions
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Liquid-phase microextraction in 96-well plates – calibration and accurate quantification of pharmaceuticals in human plasma samples
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On-chip electromembrane extraction of acidic drugs
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Electrophoresis, 40 (2019) 2514-2521, DOI: 10.1002/elps.201900024
Liquid-phase microextraction or electromembrane extraction?
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Anal. Chem., 91 (2019) 8267-8273, DOI: 10.1021/acs.analchem.9b00946
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Selective Fishing for Peptides with Antibody-Immobilized Acrylate Monoliths, Coupled Online with NanoLC-MS
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Anal. Chem., 90 (2018) 13860, DOI: 10.1021/acs.analchem.8b00935
Smart blood spots for whole blood protein analysis
Skjærvø Ø, Halvorsen TG, Reubsaet L
Analyst, 143 (2018) 3184, DOI: 10.1039/C8AN00317C
Volumetric Absorptive MicroSampling vs. Other Blood Sampling Materials in LC-MS-based Protein Analysis – Preliminary Investigations
Andersen IKL, Rosting C, Gjelstad, Halvorsen TG
J. Pharm. Biomed. Anal., 156 (2018) 239, DOI: 10.1016/j.jpba.2018.036
Determination of the Low-Abundant Protein Biomarker hCG from Dried Matrix Spots using Immunocapture and Nano Liquid Chromatography Mass Spectrometry
Rosting C, Tran EV, Gjelstad, Halvorsen TG
J. Chromatogr. B, 1077-1078 (2018) 44, DOI: 10.1016/j.jchromb.2018.01.016
Electromembrane extraction of substances with weakly basic properties: a fundamental study with benzodiazepines
Vårdal L, Øiestad EL, Gjelstad A, Pedersen-Bjergaard S
Bioanalysis, 10 (2018) 769-781, DOI: 10.4155/bio-2018-0030
Rapid determination of designer benzodiazepines, benzodiazepines, and Z-hypnotics in whole blood using parallel artificial liquid membrane extraction and UHPLC-MS/MS
Vårdal L, Wong G, Øiestad ÅML, Pedersen-Bjergaard S, Gjelstad A, Øiestad EL
Anal. Bioanal. Chem., 410 (2018) 4967–4978, DOI: 10.1007/s00216-018-1147-y
Continuous electromembrane extraction coupled with mass spectrometry – Perspectives and challenges
Fuchs D, Hidalgo CR, Payan MR, Petersen NJ, Jensen H, Kutter JP, Pedersen-Bjergaard S
Anal. Chim. Acta, 999 (2018) 27-36, DOI: 10.1016/j.aca.2017.09.027
Investigation of alternative supported liquid membranes in electromembrane extraction of basic drugs from human plasma
Huang C, Shen X, Gjelstad A, Pedersen-Bjergaard S
J. Membr. Sci., 548 (2018) 176-183, DOI: 10.1016/j.memsci.2017.11.001
Semi-automated set-up for exhaustive micro-electromembrane extractions of basic drugs from biological fluids
Dvorak M, Seip KF, Pedersen-Bjergaard S, Kuban P
Anal. Chim. Acta, 1005 (2018) 34-42, DOI: 10.1016/j.aca.2017.11.081
Parallel artificial liquid membrane extraction of psychoactive analytes: a novel approach in therapeutic drug monitoring
Olsen KN, Ask KS, Pedersen-Bjergaard S, Gjelstad A
Bioanalysis, 10 (2018) 385-395, DOI: 10.4155/bio-2017-0250
Dried blood spots and parallel artificial liquid membrane extraction – A simple combination of microsampling and microextraction
Ask KS, Øiestad EL, Pedersen-Bjergaard S, Gjelstad A
Anal. Chim. Acta, 1009 (2018) 56-64, DOI: 10.1016/j.aca.2018.01.024
Nanoliter-scale electromembrane extraction and enrichment in a microfluidic chip
Hansen FA, Sticker D, Kutter JP, Petersen NJ, Pedersen-Bjergaard S
Anal. Chem., 90 (2018) 9322-9329, DOI: 10.1021/acs.analchem.8b01936
Electromembrane extraction of high level substances: A novel approach for selective recovery of templates in molecular imprinting
Lin B, Wan L, Sun X, Huang C, Pedersen-Bjergaard S, Shen X
J. Membr. Sci., 568, 2018, 30-39, DOI: 10.1016/j.memsci.2018.09.056
Those Who Can, Teach: Pharma Stars
Skjærvø Ø, Pilarova V, Khalikova M, Reubsaet R, Halvorsen TG, Gjelstad A, Øiestad EL, Lundanes E, Wilson S, Pedersen-Bjergaard S
The Analytical Scientist, 1118 (2018) 40-45
2017
Instant on-paper protein digestion during blood spot sampling
Skjærvø, Ø, Rosting C, Halvorsen TG, Reubsaet L
Analyst, 142 (2017) 3837, DOI: 10.1039/C7AN01075C
Antibody based affinity capture LC-MS/MS in quantitative determination of proteins in biological matrices
Halvorsen TG, Reubsaet L
Trends Anal. Chem., 95 (2017) 132, DOI: 10.1016/j.trac.2017.08.009
Exploring the peptide retention mechanism in molecularly imprinted polymers
Rossetti C, Ore OG, Sellergren B, Halvorsen TG, Reubsaet L
Anal. Bioanal. Chem., 409 (2017) 5631, DOI: 10.1007/s00216-017-0520-6
To elute or not to elute in immunocapture bottom-up LC–MS
Levernæs MCS, Broughton MN, Reubsaet L, Halvorsen TG
J. Chromatogr. B, 1055-1056 (2017) 51, DOI: 10.1016/j.jchromb.2017.03.044
Expanding the knowledge on Dried Blood Spots and LC-MS based protein analysis: Two different sampling materials and six protein targets
Rosting C, Gjelstad A, Halvorsen TG
Anal. Bioanal. Chem., 409 (2017) 3383, DOI: 10.1007/s00216-017-0280-3
Automated Protein Biomarker Analysis: on-line extraction of clinical samples by Molecularly Imprinted Polymers
Rossetti C, Świtnicka-Plak MA, Halvorsen TG, Cormack PAG, Sellergren B, Reubsaet L
Sci. Rep., 7 (2017) 44298, DOI: 10.1038/srep44298
Filter Plate–Based Screening of MIP SPE Materials for Capture of the Biomarker Pro-Gastrin-Releasing Peptide
Jagadeesan KK, Rossetti C, Qader AA, Reubsaet L, Sellergren B, Laurell L, Ekström S
SLAS Discov., 22 (2017) 1253, DOI: 10.1177/2472555216689494
Electromembrane extraction with alkylated phosphites and phosphates as supported liquid membranes
Huang C, Gjelstad A, Pedersen-Bjergaard S
J. Membr. Sci., 526 (2017) 18-24, DOI: 10.1016/j.memsci.2016.11.049
High-throughput liquid-liquid extraction in 96-well format: Parallel artificial liquid membrane extraction
Gjelstad A, Andresen AT, Dahlgren A, Gundersen TE, Pedersen-Bjergaard S
LC●GC Europe, 30 (2017) 10-17
LC●GC North America, 35 (2017) 192-196
One-step extraction of polar drugs from plasma by parallel artificial liquid membrane extraction
Pilarova V, Sultani M, Ask KS, Novakova L, Pedersen-Bjergaard S, Gjelstad A
J. Chromatogr. B, 1043 (2017) 25-32, DOI: 10.1016/j.jchromb.2016.09.019
Parallel artificial liquid membrane extraction of new psychoactive substances in plasma and whole blood
Vårdal L, Askildsen HM, Gjelstad A, Øiestad EL, Edvardsen HME, Pedersen-
Bjergaard S
J. Chromatogr. B, 1048 (2017) 77-84, DOI: 10.1016/j.jchromb.2017.02.010
Arrested development – Given ongoing challenges in sample preparation and lack of novel alternatives, is it time to give liquid-phase microextraction (LPME) a second chance?
Pedersen-Bjergaard S, Gjelstad A, Rasmussen KE
The Analytical Scientist, Issue 49, February 2017, 46-49
Maghemite nanoparticle-decorated hollow fiber electromembrane extraction combined with dispersive liquid-liquid microextraction for the determination of thymol from Carum copticum
Khajeh M, Pedersen-Bjergaard S, Bohlooli M, Barkhordar A, Ghaffari-Moghaddam M
J. Sci. Food Agric., 97 (2017) 1517-1523, DOI: 10.1002/jsfa.7894
Efficient discrimination and removal of phospholipids during electromembrane extraction from human plasma samples
Vårdal L, Gjelstad A, Huang C, Øiestad EL, Pedersen-Bjergaard S
Bioanalysis, 9 (2017) 631-641, DOI: 10.4155/bio-2017-0027
Electromembrane extraction – Recent trends and where to go
Pedersen-Bjergaard S, Huang C, Gjelstad A
J. Pharm. Anal., 7 (2017) 141-147, DOI: 10.1016/j.jpha.2017.04.002
Complexation-mediated electromembrane extraction of highly polar basic drugs – a fundamental study with catecholamines in urine as model system
Fernández E, Vårdal L, Vidal L, Canals A, Gjelstad A, Pedersen-Bjergaard S
Anal. Bioanal. Chem., 409 (2017) 4215-4223, DOI: 10.1007/s00216-017-0370-2
Direct coupling of electromembrane extraction to mass spectrometry – Advancing the probe functionality toward measurements of zwitterionic drug metabolites
Rye TK, Fuchs D, Pedersen-Bjergaard S, Petersen NJ
Anal. Chim. Acta, 983 (2017) 121-129, DOI: 10.1016/j.aca.2017.05.038
Electromembrane extraction
Huang C, Chen Z, Gjelstad A, Pedersen-Bjergaard S, Shen X
Trends Anal. Chem., 95 (2017) 47-56, DOI: 10.1016/j.trac.2017.07.027
Comprehensive study of buffer systems and local pH effects in electromembrane extraction
Restan MS, Jensen H, Shen X, Huang C, Martinsen ØG, Kuban P, Gjelstad A, Pedersen-Bjergaard S
Anal. Chim. Acta, 984 (2017) 116-123, DOI: 10.1016/j.aca.2017.06.049
2016
Isolation and mass spectrometry analysis of urinary extraexosomal proteins
Hildonen S, Skarpen E, Halvorsen TG, Reubsaet L
Sci. Rep., 6 (2016) 36331, DOI: 10.1038/srep3633
Evaluation of affinity-based serum clean-up in mass spectrometric analysis: plastic vs. monoclonal antibodies
Rossetti C, Levernæs MCS, Reubsaet L, Halvorsen TG
J. Chromatogr. A, 1471 (2016) 19, DOI: 10.1016/j.chroma.2016.09.069
Dual-immuno-MS technique for improved differentiation power in heterodimeric protein biomarker analysis: determination and differentiation of human chorionic gonadotropin variants in serum
Egeland SV, Paus E, Reubsaet L, Halvorsen TG
Anal. Bioanal. Chem., 408 (2016) 7379, DOI: 10.1007/s00216-016-9818-z
Evaluation of Water-Soluble Dried Blood Spots for Small Proteins: A Conceptual Study using Insulin as Model Analyte
Rosting C, Sæ CØ, Gjelstad A, Halvorsen TG
Bioanalysis, 8 (2016) 1051, DOI: 10.4155/bio-2016-0002
The pros and cons of increased trypsin-to-protein ratio in targeted protein analysis
Egeland SV, Reubsaet L, Halvorsen TG
J. Pharm. Biomed. Anal., 123 (2016) 155, DOI: 10.1016/j.jpba.2016.02.0115
Cyclic Diguanylate Regulation of Bacillus cereus Group Biofilm Formation
Fagerlund A, Smith V, Røhr ÅK, Lindbäk T, Parmer MP, Andersson KK, Reubsaet L, Økstad OA
Mol. Microbiol., 101 (2016) 471, DOI: 10.1111/mmi.13405
The impact of high dose acetylcholine on bovine corneal epithelium
Ringvold A, Reubsaet L
Acta Ophthalmol., 94 (2016) 160, DOI: 10.1111/aos.12889
Determination of Very Low-Abundance Diagnostic Proteins in Serum Using Immuno-Capture LC-MS-MS
Reubsaet L, Halvorsen TG
LC GC Europe, 29 (2016) 352
LC GC Asia Pacific, 19 (2016) 6
Curr. Trends Mass Spectrom., 15 (2017) 16
Mass transfer in electromembrane extraction – The link between theory and experiments
Huang C, Jensen H, Seip KF, Gjelstad A, Pedersen-Bjergaard S
J. Sep. Sci., 39 (2016) 188-197, DOI: 10.1002/jssc.201500905
Direct coupling of a flow-flow electromembrane extraction probe to LC-MS
Fuchs D, Gabel-Jensen C, Jensen H, Rand KD, Pedersen-Bjergaard S, Hansen SH, Petersen NJ
Anal. Chim. Acta, 905 (2016) 93-99, DOI: 10.1016/j.aca.2015.12.014
Dried blood spots on carboxymethyl cellulose sheets: rapid sample preparation based on dissolution and precipitation
Ask KS, Pedersen-Bjergaard S, Gjelstad A
Chromatographia, 79 (2016) 509-514, DOI: 10.1007/s10337-016-3039-7
Fully automated electro membrane extraction autosampler for LC-MS systems allowing soft extractions for high-throughput applications
Fuchs D, Pedersen-Bjergaard S, Jensen H, KD Rand, Hansen SH, Petersen NJ
Anal. Chem., 88 (2016) 6797-6804, DOI: 10.1021/acs.analchem.6b01243
Parallel artificial liquid membrane extraction as an efficient tool for removal of phospholipids from human plasma
Ask KS, Bardakci T, Parmer MP, Halvorsen TG, Øiestad EL, Pedersen-Bjergaard S, Gjelstad A
J. Pharm. Biomed. Anal. 129 (2016) 229-236, DOI: 10.1016/j.jpba.2016.07.011
Electromembrane extraction of polar basic drugs from plasma with pure bis(2-ethylhexyl) phosphite as supported liquid membrane
Huang C, Seip KF, Gjelstad A, Pedersen-Bjergaard S
Anal. Chim. Acta, 934 (2016) 80-87, DOI: 10.1016/j.aca.2016.06.002
2015
Involvement of Covalent Interactions in the Mode of Action of PPARβ/δ Antagonists
Kaupang Å, Hildonen S, Halvorsen TG, Mortén M, Vik A, Hansen TV
RSC Advances, 5 (2015) 76483, DOI: 10.1039/C5RA15707B
Water-Soluble Dried Blood Spot in Protein Analysis: A Proof-of-Concept Study
Rosting C, Gjelstad A, Halvorsen TG
Anal. Chem., 87 (2015) 7918, DOI: 10.1021/acs.analchem.5b01735
Synthesis, biological evaluation and molecular modeling studies of the PPARβ/δ antagonist CC618
Kaupang Å, Paulsen SM, Steindal CC, Ravna AW, Sylte I, Halvorsen TG, Thoresen H, Hansen TV
Eur. J. Med. Chem., 94 (2015) 229, DOI: 10.1016/j.ejmech.2015.03.006
Vaccination with outer membrane vesicles from Francisella noatunensis reduces development of francisellosis in a zebrafish model
Brudal E, Lampe EO, Reubsaet L, Roos N, Hegna IK, Thrane IM, Koppang EO, Winther-Larsen HC
Fish Shellfish Immunol. 42 (2015) 50, DOI: 10.1016/j.fsi.2014.10.025
Application of hollow cylindrical wheat stem for electromembrane extraction of thorium in water samples
Khajeh M, Pedersen-Bjergaard S, Barkhordar A, Bohlooli M
Spectrochim. Acta A Mol. Biomol. Spectrosc., 137 (2015) 328-332, DOI: 10.1016/j.saa.2014.08.103
Exhaustive extraction of peptides by electromembrane extraction
Huang C, Gjelstad A, Pedersen-Bjergaard S
Anal. Chim. Acta, 853 (2015) 328-334, DOI: 10.1016/j.aca.2014.10.017
The potential of electromembrane extraction for bioanalytical applications
Seip KF, Gjelstad A, Pedersen-Bjergaard S
Bioanalysis, 7 (2015) 463-480, DOI: 10.4155/bio.14.303
Selective electromembrane extraction based on isoelectric point: Fundamental studies with angiotensin II antipeptide as model analyte
Huang C, Gjelstad A, Pedersen-Bjergaard S
J. Membr. Sci., 481 (2015) 115-123, DOI: 10.1016/j.memsci.2015.02.006
On-chip electromembrane extraction for monitoring drug metabolism in real time by electrospray ionization mass spectrometry
Petersen NJ, Jensen H, Pedersen-Bjergaard S
Microchip Capillary Electrophoresis Protocols, Methods in Molecular Biology, 1274 (2015) 171-182, DOI: 10.1007/978-1-4939-2353-3_15
Parallel artificial liquid membrane extraction of acidic drugs from human plasma
Roldán-Pijuán M, Pedersen-Bjergaard S, Gjelstad A
Anal. Bioanal. Chem., 407 (2015) 2811-2819, DOI: 10.1007/s00216-015-8505-9
Real time extraction kinetics of electro membrane extraction verified by comparing drug metabolism profiles obtained from a flow-flow electro membrane extraction-mass spectrometry system with LC-MS
Fuchs D, Jensen H, Pedersen-Bjergaard S, Gabel-Jensen C, Hansen SH, Petersen NJ
Anal. Chem., 87 (2015) 5775-5781, DOI: 10.1021/acs.analchem.5b00981
Combination of electromembrane extraction and liquid-phase microextraction in a single step: Simultaneous group separation of acidic and basic drugs
Huang C, Seip KF, Gjelstad A, Shen X, Pedersen-Bjergaard S
Anal. Chem., 87 (2015) 6951-6957, DOI: 10.1021/acs.analchem.5b01610
Electromembrane extraction for pharmaceutical and biomedical analysis – Quo vadis
Huang C, Seip KF, Gjelstad A, Pedersen-Bjergaard S
J. Pharm. Biomed. Anal., 113 (2015) 97-107, DOI: 10.1016/j.jpba.2015.01.038
Electromembrane extraction as a rapid and selective miniaturized sample preparation technique for biological fluids
Gjelstad A, Pedersen-Bjergaard S, Seip KF*
Bioanalysis, 7 (2015) 2203-2209, DOI: 10.4155/bio.15.150
Exhaustive and stable electromembrane extraction of acidic drugs from human plasma
Huang C, Gjelstad A, Seip KF, Jensen H, Pedersen-Bjergaard S
J. Chromatogr. A, 1425 (2015) 81-87, DOI: 10.1016/j.chroma.2015.11.052
2014
Antibody-Free Biomarker Determination: Exploring Molecularly Imprinted Polymers for Pro Gastrin Releasing Peptide.
Rossetti C, Qader AA, Halvorsen TG, Sellergren B, Reubsaet L
Anal. Chem., 86 (2014) 12291, DOI: 10.1021/ac503559c
Why less is more when generating tryptic peptides in bottom-up proteomics
Hildonen S, Halvorsen TG, Reubsaet L
Proteomics, 14 (2014) 2031, DOI: 10.1002/pmic.201300479
A pilot study showing differences in glycosylation patterns of IgG subclasses induced by pneumococcal, meningococcal and two types of influenza vaccines
Vestrheim AC, Moen A, Egge-Jacobsen W, Reubsaet L, Halvorsen TG, Bratlie DB, Paulsen BS, Michaelsen TE
Immunity Inflam. Dis., 2 (2014) 76, DOI: 10.1002/iid3.22
Multiplexing determination of Small Cell Lung Cancer Biomarkers and their isovariants in serum by immunocapture LC-MS/MS
Torsetnes S, Levernæs M, Broughton M, Paus E, Halvorsen TG, Reubsaet L
Anal. Chem., 86 (2014) 6983, DOI: 10.1021/ac500986t
Determining ProGRP and isoforms in lung- and thyroid cancer patient samples. Comparing an MS method with a routine clinical immunoassay
Torsetnes SB, Nordlund MS, Paus E, Halvorsen TG, Reubsaet L
Anal. Bioanal. Chem., 406 (2014) 2733, DOI: 10.1007/s00216-014-7634-x
Epitope analysis and detection of human chorionic gonadotropin (hCG) variants by monoclonal antibodies and mass spectrometry
Lund H, Paus E, Berger P, Stenman U-H, Torcellini T, Halvorsen TG, Reubsaet L
Tumor Biol., 35 (2014) 1013, DOI: 10.1007/s13277-013-1135-y
Bradykinin analysis revived - A validated method for determination of its stable metabolite in whole blood by LC-MS/MS
Seip KF, Bjerknes KC, Johansen HT, Nielsen EW, Landrø LAY, Reubsaet L
J. Chromatogr. B, 947-948 (2014) 139, DOI: 10.1016/j.jchromb.2013.12.033
Peptide imprinted receptors for the determination of the small cell lung cancer associated biomarker progastrin releasing peptide
Qader AA, Urraca J, Torsetnes SB, Tønnesen F, Reubsaet L, Sellergren B
J. Chromatogr. A, 1370 (2014) 56, DOI: 10.1016/j.chroma.2014.10.023
Challenges and new directions in analytical sample preparation
Gjelstad A, Pedersen-Bjergaard S
Anal. Bioanal. Chem., 406 (2014) 375-376, DOI: 10.1007/s00216-013-7457-1
Development and characterization of a small electromembrane extraction probe coupled with mass spectrometry for real-time and online monitoring of in vitro drug metabolism
Dugstad HB, Petersen NJ, Jensen H, Gabel-Jensen C, Hansen SH, Pedersen-Bjergaard S
Anal. Bioanal. Chem., 406 (2014) 421-429, DOI: 10.1007/s00216-013-7378-z
Parallel electromembrane extraction in a multiwall plate
Eibak LEE, Parmer MP, Rasmussen KE, Pedersen-Bjergaard S, Gjelstad A
Anal. Bioanal. Chem., 406 (2014) 431-440, DOI: 10.1007/s00216-013-7345-8
Design and implementation of an automated liquid-phase microextraction-chip system coupled on-line with high performance liquid chromatography
Li B, Petersen NJ, Payán MDR, Hansen SH, Pedersen-Bjergaard S
Talanta, 120 (2014) 224-229, DOI: 10.1016/j.talanta.2013.12.016
Development of a flat membrane based device for electromembrane extraction: A new approach for exhaustive extraction of basic drugs from human plasma
Huang C, Eibak LEE, Gjelstad A, Shen X, Trones R, Jensen H, Pedersen-Bjergaard S
J. Chromatogr. A, 1326 (2014) 7-12, DOI: 10.1016/j.chroma.2013.12.028
Stability and efficiency of supported liquid membranes in electromembrane extraction – A link to solvent properties
Seip KF, Faizi M, Vergel C, Gjelstad A, Pedersen-Bjergaard S
Anal. Bioanal. Chem., 406 (2014) 2151-2161, DOI: 10.1007/s00216-013-7418-8
Parallel electromembrane extraction in the 96-well format
Eibak LEE, Rasmussen KE, Øiestad EL, Pedersen-Bjergaard S, Gjelstad A
Anal. Chim. Acta, 828 (2014) 46-52, DOI: 10.1016/j.aca.2014.04.038
Salt effects in electromembrane extraction
Seip KF, Jensen H, Kieu TE, Gjelstad A, Pedersen-Bjergaard S
J. Chromatogr. A, 1347 (2014) 1-7, DOI: 10.1016/j.chroma.2014.04.053
Electromembrane extraction – Three phase electrophoresis for future preparative applications
Gjelstad A, Pedersen-Bjergaard S
Electrophoresis, 35 (2014) 2421-2428, DOI: 10.1002/elps.201400127
A new tool for sample preparation
Parmer M, Gjelstad A, Pedersen-Bjergaard P
GIT Laboratory Journal Europe, 11-12 (2014) 18-19.
2013
Immunocapture and LC-MS/MS for selective quantification and differentiation of the isozymes of the biomarker neuron-specific enolase in serum
Torsetnes SB, Løvbak SG, Claus C, Lund H, Nordlund MS, Paus E, Halvorsen TG, Reubsaet L
J. Chromatogr. B, 929 (2013) 125, DOI: 10.1016/j.jchromb.2013.04.010
Comparison of newly developed immuno-MS method with existing DELFIA® immunoassay for human chorionic gonadotropin determination in doping analysis
Lund H, Snilsberg A-H, Halvorsen TG, Hemmersbach P, Reubsaet L
Bioanalysis, 5 (2013) 623, DOI: 10.4155/bio.13.8
Sports Drug Testing using Immuno-MS: Clinical Study Comprising Administration of Human Chorionic Gonadotropin to Males
Lund H, Snilsberg A-H, Paus E, Halvorsen TG, Hemmersbach P, Reubsaet L
Anal. Bioanal. Chem., 405 (2013) 1569 DOI: 10.1007/s00216-012-6566-6
Digging deeper into the field of the SCLC-tumour marker ProGRP. A method for differentiation of its isoforms
Torsetnes S, Nordlund M, Paus E, Halvorsen TG, Reubsaet L
J. Proteome Res., 12 (2013) 412, DOI: 10.1021/pr300751j
Integrated enzyme reactor and high resolving chromatography in ‘‘sub-chip’’ dimensions for sensitive protein mass spectrometry
Hustoft HK, Brandtzæg OKM, Røgeberg M, Misaghian D, Torsetnes SB, Greibrokk T, Reubsaet L, Wilson SRH, Lundanes E
Sci. Rep., 3 (2013) 3511, DOI: 10.1038/srep03511
Storage of oral fluid as dried spots on alginate and chitosan foam – A new concept for oral fluid collection
Lødøen CP, Eibak LEE, Rasmussen KE, Pedersen-Bjergaard S, Andersen T, Gjelstad A
Bioanalysis, 3 (2013) 317-325, DOI: 10.4155/bio.12.315
Electromembrane extraction: Distribution or electrophoresis?
Seip KF, Jensen H, Sønsteby MH, Gjelstad A, Pedersen-Bjergaard S
Electrophoresis, 34 (2013) 792-799, DOI: 10.1002/elps.201200587
Parallel artificial liquid membrane extraction: micro-scale liquid-liquid-liquid extraction in the 96-well format
Gjelstad A, Rasmussen KE, Parmer MP, Pedersen-Bjergaard S
Bioanalysis, 5 (2013) 1377-1385, DOI: 10.4155/bio.13.59
Nano-electromembrane extraction
Payán MDR, Li B, Petersen NJ, Jensen H, Hansen SH, Pedersen-Bjergaard S
Anal. Chim. Acta, 785 (2013) 60-66, DOI: 10.1016/j.aca.2013.04.055
Electromembrane extraction from aqueous samples containing polar organic solvents
Seip KF, Gjelstad A, Pedersen-Bjergaard S
J. Chromatogr. A, 1308 (2013) 37-44, DOI: 10.1016/j.chroma.2013.07.105
Recent developments in electromembrane extraction
Gjelstad A, Pedersen-Bjergaard S
Anal. Meth., 5 (2013) 4549-4557 DOI: 10.1039/C3AY40547H
High-throughput analysis of drugs in biological fluids by desorption electrospray ionization mass spectrometry coupled with thin liquid membrane extraction
Rosting C, Pedersen-Bjergaard S, Hansen SH, Janfelt C
Analyst, 138 (2013) 5965-5972, DOI: 10.1039/c3an00544e
Perspective: Hollow fibre liquid-phase microextraction – principles, performance, applicability, and future directions
Astrid Gjelstad and Stig Pedersen-Bjergaard
Scientia Chromatographica, 5 (2013) 1-10, DOI: 10.4322/sc.2014.003
2012
Immuno-MS Based Targeted Proteomics: Highly Specific, Sensitive, and Reproducible Human Chorionic Gonadotropin Determination for Clinical Diagnostics and Doping Analysis
Lund H, Løvsletten K, Paus E, Halvorsen TG, Reubsaet L
Anal. Chem., 84 (2012) 7926, DOI: 10.1021/ac301418f
New labdane diterpenes from Solidago canadensis
Wangensteen H, Phan TT, Rise F, Halvorsen TG, Malterud KE
Nat. Prod. Res., 26 (2012) 1348, DOI: 10.1080/14786419.2011.565005
Urinary proteomic shotgun approach for identification of potential acute rejection biomarkers in renal transplant recipients
Loftheim H, Midtvedt K, Hartmann A, Reisæter AV, Falck Pål, Holdaas H, Jenssen TG, Reubsaet L, Åsberg A
Transplant. Res., 1 (2012) 9, DOI: 10.1186/2047-1440-1-9
A critical review of trypsin digestion for LC-MS based proteomics
Hustoft HK, Malerød H, Wilson SR, Reubsaet L, Lundanes E, Greibrokk T
In Eastwood Leung (ed.), Integrative Proteomics. InTech Open. (2012) p. 73, DOI: 10.5772/29326
Liquid-phase microextraction and desorption electrospray ionization mass spectrometry for identification and quantification of basic drugs in human urine
Thunig J, Flø L, Pedersen-Bjergaard S, Hansen SH, Janfelt C
Rapid Commun. Mass Spectrom., 26 (2012) 133-140, DOI: 10.1002/rcm.5315
Exhaustive electromembrane extraction of some basic drugs from human plasma followed by liquid chromatography-mass spectrometry
Eibak LEE, Gjelstad A, Rasmussen KE, Pedersen-Bjergaard S
J. Pharm. Biomed. Anal., 57 (2012) 33-38, DOI: 10.1016/j.jpba.2011.08.026
Fast, selective, and sensitive analysis of low-abundance peptides in human plasma by electromembrane extraction
Balchen M, Lund H, Reubsaet L, Pedersen-Bjergaard S
Anal. Chim. Acta, 716 (2012) 16-23, DOI: 10.1016/j.aca.2011.02.058
Electromembrane extraction of stimulating drugs from undiluted whole blood
Jamt REG, Gjelstad A, Eibak LEE, Øiestad EL, Christophersen AS, Rasmussen KE, Pedersen-Bjergaard S
J. Chromatogr. A, 1232 (2012) 27-36, DOI: 10.1016/j.chroma.2011.08.058
Liquid-phase microextraction in a microfluidic-chip – High enrichment and sample clean-up from small sample volumes based on three-phase extraction
Payán MDR, Jensen H, Petersen NJ, Hansen SH, Pedersen-Bjergaard S
Anal. Chim. Acta, 735 (2012) 46-53 DOI: 10.1016/j.aca.2012.05.023
Hollow fiber liquid-phase microextraction
Gjelstad A, Rasmussen KE, Pedersen-Bjergaard S
In Comprehensive Sampling and Sample Preparation, Volume 2; Pawliszyn, J.; Lord, H.L.; Eds; Elsevier, Academic Press: Oxford, UK, pp 475-496, 2012
Selective electromembrane extraction at low voltages based on analyte polarity and charge
Domínguez NC, Gjelstad A, Nadal AM, Jensen H, Petersen NJ, Hansen SH, Rasmussen KE, Pedersen-Bjergaard S
J. Chromatogr. A, 1248 (2012) 48-54, DOI: 10.1016/j.chroma.2012.05.092
On-chip electromembrane extraction for monitoring drug metabolism in real time by electrospray ionization mass spectrometry
Petersen NJ, Pedersen JS, Poulsen NN, Jensen H, Skonberg C, Hansen SH, Pedersen-Bjergaard S
Analyst, 137 (2012) 3321-3327, DOI: 10.1039/C2AN35264H
Kinetic aspects of hollow fiber liquid-phase microextraction and electromembrane extraction
Gjelstad A, Jensen H, Rasmussen KE, Pedersen-Bjergaard S
Anal. Chim. Acta, 742 (2012) 10-16, DOI: 10.1016/j.aca.2011.12.039
The potential application of electromembrane extraction for the analysis of peptides in biological fluids
Seip KF, Gjelstad A, Pedersen-Bjergaard S
Bioanalysis, 4 (2012) 1971-1973, DOI: 10.4155/BIO.12.163
Alginate and chitosan foam combined with electromembrane extraction for dried blood spot analysis
Eibak LEE, Hegge AB, Rasmussen KE, Pedersen-Bjergaard S, Gjelstad G
Anal. Chem., 84 (2012) 8783-8789, DOI: 10.1021/ac301996n