A. Kok

6.1k total citations · 2 hit papers
84 papers, 4.3k citations indexed

About

A. Kok is a scholar working on Food Science, Spectroscopy and Analytical Chemistry. According to data from OpenAlex, A. Kok has authored 84 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Food Science, 27 papers in Spectroscopy and 27 papers in Analytical Chemistry. Recurrent topics in A. Kok's work include Pesticide Residue Analysis and Safety (30 papers), Analytical Chemistry and Chromatography (27 papers) and Analytical chemistry methods development (24 papers). A. Kok is often cited by papers focused on Pesticide Residue Analysis and Safety (30 papers), Analytical Chemistry and Chromatography (27 papers) and Analytical chemistry methods development (24 papers). A. Kok collaborates with scholars based in Netherlands, Brazil and United States. A. Kok's 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 and has published in prestigious journals such as Journal of Agricultural and Food Chemistry, Brain Research and Food Chemistry.

In The Last Decade

A. Kok

82 papers receiving 4.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Psychophysiological brain research.

1993 549 citations C.H.M. Brunia, Alexandra Gaillard et al. Psychophysiology profile →
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 A. Kok, Maurice Hiemstra et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
A. Kok Netherlands	35	1.7k	1.5k	999	737	506	84	4.3k
Wenjun Gui China	28	275 0.2×	363 0.2×	248 0.2×	93 0.1×	263 0.5×	74	2.4k
Steven A. Barker United States	38	92 0.1×	742 0.5×	832 0.8×	783 1.1×	234 0.5×	143	4.9k
Alvin V. Terry United States	52	1.2k 0.7×	117 0.1×	180 0.2×	224 0.3×	1.1k 2.1×	205	8.7k
Vincenzo Longo Italy	36	492 0.3×	446 0.3×	34 0.0×	109 0.1×	711 1.4×	225	4.8k
Hye Won Lee South Korea	34	232 0.1×	261 0.2×	176 0.2×	138 0.2×	509 1.0×	231	4.1k
Qi Chang China	36	274 0.2×	322 0.2×	225 0.2×	81 0.1×	972 1.9×	153	4.2k
Maxwell L. Elliott United States	27	897 0.5×	154 0.1×	31 0.0×	148 0.2×	699 1.4×	74	3.4k
Maurı́cio Yonamine Brazil	31	88 0.1×	132 0.1×	470 0.5×	448 0.6×	141 0.3×	158	2.8k
Insop Shim South Korea	44	547 0.3×	270 0.2×	62 0.1×	22 0.0×	449 0.9×	237	6.4k
Silvia Grassi Italy	27	79 0.0×	398 0.3×	784 0.8×	42 0.1×	190 0.4×	98	2.3k

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-authorship network of co-authors of A. Kok

This figure shows the co-authorship network connecting the top 25 collaborators of A. Kok. A scholar is included among the top collaborators of A. Kok based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. Kok. A. Kok is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Kok, A., et al.. (2025). Deciphering the role of tRNA-derived fragments in neurological and psychiatric disease pathogenesis. Frontiers in Cellular Neuroscience. 19. 1663788–1663788.

Kok, A., et al.. (2017). Simultaneous determination of 117 pesticides and 30 mycotoxins in raw coffee, without clean-up, by LC-ESI-MS/MS analysis. Analytica Chimica Acta. 1004. 40–50. 71 indexed citations

Pizzutti, Ionara Regina, A. Kok, Jos Scholten, et al.. (2016). Determination of paraquat and diquat: LC-MS method optimization and validation. Food Chemistry. 209. 248–255. 85 indexed citations

Mol, Hans, Paul Zomer, Mónica Garcı́a, et al.. (2015). Identification in residue analysis based on liquid chromatography with tandem mass spectrometry: Experimental evidence to update performance criteria. Analytica Chimica Acta. 873. 1–13. 52 indexed citations

Pizzutti, Ionara Regina, et al.. (2014). Development, optimization and validation of a multimethod for the determination of 36 mycotoxins in wines by liquid chromatography–tandem mass spectrometry. Talanta. 129. 352–363. 68 indexed citations

Retamal, Mauricio A., et al.. (2012). Determination of chlorothalonil in difficult-to-analyse vegetable matrices using various multiresidue methods. The Analyst. 137(10). 2513–2513. 19 indexed citations

Pizzutti, Ionara Regina, et al.. (2009). Design of a compressed air modulator to be used in comprehensive multidimensional gas chromatography and its application in the determination of pesticide residues in grapes. Journal of Chromatography A. 1216(15). 3305–3311. 19 indexed citations

Pizzutti, Ionara Regina, A. Kok, Renato Zanella, et al.. (2007). 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. 1142(2). 123–136. 129 indexed citations

Slagter, Heleen A., Barry Giesbrecht, A. Kok, et al.. (2007). fMRI evidence for both generalized and specialized components of attentional control. Brain Research. 1177. 90–102. 59 indexed citations

10.

Ramautar, Jennifer R., A. Kok, & K. Richard Ridderinkhof. (2005). Effects of stop-signal modality on the N2/P3 complex elicited in the stop-signal paradigm. Biological Psychology. 72(1). 96–109. 122 indexed citations

11.

Ramautar, Jennifer R., A. Kok, & K. Richard Ridderinkhof. (2004). Effects of stop-signal probability in the stop-signal paradigm: The N2/P3 complex further validated. Brain and Cognition. 56(2). 234–252. 194 indexed citations

12.

Hiemstra, Maurice & A. Kok. (2002). Determination of propamocarb in vegetables using polymer-based high-performance liquid chromatography coupled with electrospray mass spectrometry. Journal of Chromatography A. 972(2). 231–239. 20 indexed citations

13.

Barkhof, Frederik, M. W. Tas, Jacob Valk, et al.. (1998). Functional correlates of callosal atrophy in relapsing-remitting multiple sclerosis patients. A preliminary MRI study. Journal of Neurology. 245(3). 153–158. 57 indexed citations

14.

Stelt, Odin van der, W. Boudewijn Gunning, J. Snel, & A. Kok. (1996). Children of alcoholics: Brain potentials associated with novelty.. Alcoholism Clinical and Experimental Research. 20(2). 183–183. 3 indexed citations

15.

Smulders, Fren T.Y., J. Leon Kenemans, & A. Kok. (1994). A comparison of different methods for estimating single-trial P300 latencies. Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section. 92(2). 107–114. 45 indexed citations

16.

Stelt, Odin van der, et al.. (1994). Children of alcoholics: Attention, information processing and event‐related brain potentials. Acta Paediatrica. 83(s404). 4–6. 14 indexed citations

17.

Brunia, C.H.M., Alexandra Gaillard, & A. Kok. (1993). Psychophysiological brain research.. Psychophysiology. 30(4). 549 indexed citations breakdown →

18.

Kenemans, J. Leon, A. Kok, & Fren T.Y. Smulders. (1993). 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. 88(1). 51–63. 200 indexed citations

19.

Kok, A., et al.. (1990). Optimization of the postcolumn hydrolysis reaction on solid phases for the routine high-performance liquid chromatographic determination of N-methylcarbamate pesticides in food products. Journal of Chromatography A. 507. 459–472. 25 indexed citations

20.

Brinkman, U.A.Th., et al.. (1978). Discrimination between polychlorinated naphthalenes and polychlorinated biphenyls. Journal of Chromatography A. 152(1). 97–104. 7 indexed citations

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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