Cited by 21Mass Spectrometry Techniques and ApplicationsAnalytical Chemistry and ChromatographyMicrofluidic and Capillary Electrophoresis Applications

High-Resolution Bioactivity Profiling of Mixtures toward the Acetylcholine Binding Protein Using a Nanofractionation Spotter Technology

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Kool, Jeroen, Heus, Ferry, de Kloe, Gerdien, Lingeman, Henk, Smit, August B., Leurs, Rob, Edink, Ewald, De Esch, Iwan J.P. +2 more·2011·SLAS Discovery

Abstract

This study describes the evaluation, validation, and use of contactless postcolumn fractionation of bioactive mixtures with acetylcholine binding protein (AChBP) affinity analysis with help of a spotter technology. The high-resolution fractionation tailors the fractionation frequency to the chromatographic peaks. Postcolumn reagents for AChBP bioaffinity profiling are mixed prior to droplet ejection into 1536-well plates. After an incubation step, microplate reader analysis is used to determine bioactive compounds in a mixture. For ligands tested, a good correlation was found for IC(50)s determined in flow injection analysis mode when compared with traditional radioligand binding assays. After the evaluation and validation, bioaffinity profiling of actual mixtures was performed. The advantage of this "atline" technology using postcolumn bioaffinity analysis when compared to continuous flow online postcolumn bioaffinity profiling is the possibility to choose postcolumn incubation times freely without compromising resolution due to diffusion effects.

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Authors
Kool, J., Heus, F., de Kloe, G., Lingeman, H., Smit, A. B., Leurs, R., Edink, E., De Esch, I. J. P., Irth, H., & Niessen, W. M. A.
Affiliations
  • Vrije Universiteit Amsterdam (NL)
  • Amsterdam Neuroscience (NL)
Corresponding author
Kool, Jeroen
Venue
SLAS Discovery
Publisher
Elsevier BV
Published
2011-09
Volume
16
Issue
8
Pages
917-924
ISSN
2472-5552 (ISSN-L)
OpenAlex
W2138635792
Cited by
21
References
21
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2019: 1 · 2017: 1 · 2016: 4 · 2015: 2 · 2014: 1 · 2013: 4 · 2012: 4
FWCI
1.45
Type
journal article
Language
en
Open access
Locations
  • SLAS DISCOVERY (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • VU Research Portal (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
  • Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
  • Physical Sciences › Engineering › Biomedical Engineering › Microfluidic and Capillary Electrophoresis Applications
Keywords
acetylcholine binding protein, droplet ejection, ligand binding, flow injection analysis, microplate reader
MeSH terms
Carrier Proteins, Chromatography, Affinity, Chromatography, High Pressure Liquid, Chemical Fractionation, Ligands, Nicotine, Protein Binding, Pyridines, Radioligand Assay, Recombinant Proteins, Mass Spectrometry, Reproducibility of Results, Flow Injection Analysis, Nicotinic Agonists, Bridged Bicyclo Compounds, Heterocyclic, Nanotechnology, Complex Mixtures, High-Throughput Screening Assays

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