A. Kok

6.1k citations

84 papers · 4.3k indexed · 2 hit papers · h-index 35

Impact in

Analytical Chemistry top 0.2%
- Analytical chemistry methods development
Cognitive Neuroscience top 1%
- Neural and Behavioral Psychology Studies
- EEG and Brain-Computer Interfaces
- Neural dynamics and brain function

Papers in ⓘ

Food Science 30
- Pesticide Residue Analysis and Safety 30
Spectroscopy 27
- Analytical Chemistry and Chromatography 27

Co-authors: Maurice Hiemstra (13 shared papers)C.H.M. Brunia (1 shared paper)Alexandra Gaillard (1 shared paper)Steven J. Lehotay (2 shared papers)U.A.Th. Brinkman (20 shared papers)K. Richard Ridderinkhof (3 shared papers)Jennifer R. Ramautar (2 shared papers)Fren T.Y. Smulders (4 shared papers)
Journals: Journal of Chromatography A (21 papers)Biological Psychology (6 papers)Psychophysiology (6 papers)International Journal of Environmental & Analytical Chemistry (5 papers)Journal of AOAC International (4 papers)
Partner nations: Netherlands Brazil United States

In The Last Decade

A. Kok

82 papers receiving 4.1k citations

Hit Papers

align trajectories log scale

Validation of a Fast and Easy Method for the Determination of Residues from 229 Pesticides in Fruits and Vegetables Using Gas and Liquid Chromatography and Mass Spectrometric Detection 2005 · 520 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2005 Journal of AOAC International
1993 Psychophysiology

Peers

Countries citing papers authored by A. Kok

Since Specialization

Citations

This map shows the geographic impact of A. Kok's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. Kok with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Kok more than expected).

Fields of papers citing papers by A. Kok

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Kok. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. Kok. The network helps show where A. Kok may publish in the future.

Co-authors

The 25 scholars most cited alongside A. Kok, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with A. Kok Line = papers co-authored together A. Kok links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 84 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Psychophysiological brain research. Psychophysiology ·C.H.M. Brunia, Alexandra Gaillard, A. Kok Hit paper breakdown →	1993	549
2	Validation of a Fast and Easy Method for the Determination of Residues from 229 Pesticides in Fruits and Vegetables Using Gas and Liquid Chromatography and Mass Spectrometric Detection Journal of AOAC International ·Steven J. Lehotay, A. Kok, Maurice Hiemstra, Peter van Bodegraven Hit paper breakdown →	2005	520
3	Event-related potentials to conjunctions of spatial frequency and orientation as a function of stimulus parameters and response requirements Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section ·J. Leon Kenemans, A. Kok, Fren T.Y. Smulders	1993	200
4	Effects of stop-signal probability in the stop-signal paradigm: The N2/P3 complex further validated Brain and Cognition ·Jennifer R. Ramautar, A. Kok, K. Richard Ridderinkhof	2004	194
5	Comprehensive multi-residue method for the target analysis of pesticides in crops using liquid chromatography–tandem mass spectrometry Journal of Chromatography A ·Maurice Hiemstra, A. Kok	2007	188
6	Occurrence of Alternaria toxins in food products in The Netherlands Food Control ·P. López, Dini P. Venema, Theo de Rijk, A. Kok, Jos Scholten, Hans Mol, Monique de Nijs	2015	138
7	Method validation for the analysis of 169 pesticides in soya grain, without clean up, by liquid chromatography–tandem mass spectrometry using positive and negative electrospray ionization Journal of Chromatography A ·Ionara Regina Pizzutti, A. Kok, Renato Zanella, Martha B. Adaime, Maurice Hiemstra, Cristine Wickert, Osmar D. Prestes	2007	129
8	Effects of stop-signal modality on the N2/P3 complex elicited in the stop-signal paradigm Biological Psychology ·Jennifer R. Ramautar, A. Kok, K. Richard Ridderinkhof	2005	122
9	Identification and confirmation of chemical residues in food by chromatography-mass spectrometry and other techniques TrAC Trends in Analytical Chemistry ·Steven J. Lehotay, Kateřina Maštovská, Aviv Amirav, Alexander B. Fialkov, Perry A. Martos, A. Kok, Amadeo R. Fernández‐Alba	2008	98
10	Method validation and comparison of acetonitrile and acetone extraction for the analysis of 169 pesticides in soya grain by liquid chromatography–tandem mass spectrometry Journal of Chromatography A ·Ionara Regina Pizzutti, A. Kok, Maurice Hiemstra, Cristine Wickert, Osmar D. Prestes	2009	92
11	Determination of paraquat and diquat: LC-MS method optimization and validation Food Chemistry ·Ionara Regina Pizzutti, Giovana Milagros Espinoza Vela, A. Kok, Jos Scholten, Jonatan V. Dias, Carmem D. Cardoso, Germani Concenço, Rafael Vivian	2016	85
12	Inhibitory inefficiency and failures of intention activation: Age-related decline in the control of saccadic eye movements. Psychology and Aging ·Sander Nieuwenhuis, K. Richard Ridderinkhof, Ritske de Jong, A. Kok, M.W. van der Molen	2000	75
13	Components of the event-related potential following degraded and undegraded visual stimuli Biological Psychology ·A. Kok, Huib Looren de Jong	1980	73
14	Simultaneous determination of 117 pesticides and 30 mycotoxins in raw coffee, without clean-up, by LC-ESI-MS/MS analysis Analytica Chimica Acta ·Bárbara Reichert, A. Kok, Ionara Regina Pizzutti, Jos Scholten, Carmem D. Cardoso, M.C. Spanjer	2017	71
15	Development, optimization and validation of a multimethod for the determination of 36 mycotoxins in wines by liquid chromatography–tandem mass spectrometry Talanta ·Ionara Regina Pizzutti, A. Kok, Jos Scholten, Laís Weber Righi, Carmem D. Cardoso, Graciele Necchi Rohers, Rosselei C. da Silva	2014	68
16	The effect of repetition of infrequent familiar and unfamiliar visual patterns on components of the event-related brain potential Biological Psychology ·A. Kok, Huib Looren de Jong	1980	68
17	The effect of warning stimulus novelty on the P300 and components of the contingent negative variation Biological Psychology ·A. Kok	1978	64
18	A multi-residue method for pesticides analysis in green coffee beans using gas chromatography–negative chemical ionization mass spectrometry in selective ion monitoring mode Journal of Chromatography A ·Ionara Regina Pizzutti, A. Kok, Carmem D. Cardoso, Bárbara Reichert, Marijke de Kroon, Wouter Wind, Laís Weber Righi, Rosselei Caiél da Silva	2012	60
19	Method validation and application of a selective multiresidue analysis of highly polar pesticides in food matrices using hydrophilic interaction liquid chromatography and mass spectrometry Journal of Chromatography A ·Sonia Herrera, Jos Scholten, Barbara Kiedrowska, A. Kok	2019	60
20	fMRI evidence for both generalized and specialized components of attentional control Brain Research ·Heleen A. Slagter, Barry Giesbrecht, A. Kok, Daniel H. Weissman, J. Leon Kenemans, Marty G. Woldorff, George R. Mangun	2007	59

About A. Kok

A. Kok is a scholar working on Food Science, Spectroscopy, Analytical Chemistry, Cognitive Neuroscience and Biomedical Engineering, having authored 84 papers that have together received 4.3k indexed citations. Recurring topics across this work include Pesticide Residue Analysis and Safety (30 papers), Analytical Chemistry and Chromatography (27 papers), Analytical chemistry methods development (24 papers), Neural and Behavioral Psychology Studies (15 papers), EEG and Brain-Computer Interfaces (11 papers), Neural dynamics and brain function (9 papers), Toxic Organic Pollutants Impact (8 papers) and Advanced Chemical Sensor Technologies (8 papers). The work is most often cited by research in Analytical Chemistry (999 citations), Cognitive Neuroscience (1.7k citations), Food Science (1.5k citations), Spectroscopy (737 citations) and General Decision Sciences (59 citations). A. Kok has collaborated with scholars based in Netherlands, Brazil and United States. Frequent co-authors include Maurice Hiemstra, C.H.M. Brunia, Alexandra Gaillard, Steven J. Lehotay, U.A.Th. Brinkman, K. Richard Ridderinkhof, Jennifer R. Ramautar, Fren T.Y. Smulders, Ionara Regina Pizzutti and Jos Scholten. Their work appears in journals such as Journal of Chromatography A, Biological Psychology, Psychophysiology, International Journal of Environmental & Analytical Chemistry and Journal of AOAC International.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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