Alan G. Clark

3.4k total citations · 1 hit paper
72 papers, 2.8k citations indexed

About

Alan G. Clark is a scholar working on Molecular Biology, Organic Chemistry and Gastroenterology. According to data from OpenAlex, Alan G. Clark has authored 72 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Molecular Biology, 11 papers in Organic Chemistry and 7 papers in Gastroenterology. Recurrent topics in Alan G. Clark's work include Glutathione Transferases and Polymorphisms (27 papers), Genomics, phytochemicals, and oxidative stress (18 papers) and Synthesis and Characterization of Heterocyclic Compounds (7 papers). Alan G. Clark is often cited by papers focused on Glutathione Transferases and Polymorphisms (27 papers), Genomics, phytochemicals, and oxidative stress (18 papers) and Synthesis and Characterization of Heterocyclic Compounds (7 papers). Alan G. Clark collaborates with scholars based in New Zealand, United Kingdom and Canada. Alan G. Clark's co-authors include J D Hardcastle, Tara Dyson, D. F. Evans, Geoffrey W. Pye, Nor Aripin Shamaan, W.C. Dauterman, J. N. Smith, Michael Syvanen, Shuaishuai Wei and Zazali Alias and has published in prestigious journals such as Nature, Journal of Biological Chemistry and Applied and Environmental Microbiology.

In The Last Decade

Alan G. Clark

68 papers receiving 2.6k 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.

Measurement of gastrointestinal pH profiles in normal ambulant human subjects.

1988 992 citations Alan G. Clark, J D Hardcastle et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alan G. Clark New Zealand	25	1.3k	418	378	326	273	72	2.8k
Yula Sambuy Italy	27	1.2k 0.9×	249 0.6×	238 0.6×	87 0.3×	56 0.2×	52	2.9k
Giulia Ranaldi Italy	24	999 0.8×	233 0.6×	260 0.7×	94 0.3×	48 0.2×	42	2.5k
Flavia Zucco Italy	20	777 0.6×	141 0.3×	345 0.9×	39 0.1×	76 0.3×	56	2.5k
Annalaura Stammati Italy	19	643 0.5×	139 0.3×	287 0.8×	30 0.1×	90 0.3×	37	2.1k
D. E. Becker United States	31	977 0.7×	171 0.4×	1.2k 3.3×	82 0.3×	98 0.4×	146	3.6k
Isabella De Angelis Italy	20	677 0.5×	145 0.3×	332 0.9×	40 0.1×	60 0.2×	52	2.4k
Maria Laura Scarino Italy	14	779 0.6×	134 0.3×	196 0.5×	34 0.1×	40 0.1×	23	2.2k
Adam Macierzanka Poland	23	693 0.5×	372 0.9×	133 0.4×	44 0.1×	85 0.3×	43	2.6k
Ping Tong China	33	1.3k 0.9×	148 0.4×	244 0.6×	93 0.3×	48 0.2×	160	3.3k
Yoshiteru Watanabe Japan	32	944 0.7×	828 2.0×	134 0.4×	25 0.1×	35 0.1×	131	2.6k

Countries citing papers authored by Alan G. Clark

Since Specialization

Citations

This map shows the geographic impact of Alan G. Clark'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 Alan G. Clark with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alan G. Clark more than expected).

Fields of papers citing papers by Alan G. Clark

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan G. Clark. 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 Alan G. Clark. The network helps show where Alan G. Clark may publish in the future.

Co-authorship network of co-authors of Alan G. Clark

This figure shows the co-authorship network connecting the top 25 collaborators of Alan G. Clark. A scholar is included among the top collaborators of Alan G. Clark 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 Alan G. Clark. Alan G. Clark is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Oakley, Aaron J., Angelika N. Christ, Alan G. Clark, et al.. (2009). Identification and characterisation of new inhibitors for the human hematopoietic prostaglandin D 2 synthase. European Journal of Medicinal Chemistry. 45(2). 447–454. 18 indexed citations

Oakley, Aaron J., Tetsuo Yamada, Dan Liu, et al.. (2008). The Identification and Structural Characterization of C7orf24 as γ-Glutamyl Cyclotransferase. Journal of Biological Chemistry. 283(32). 22031–22042. 110 indexed citations

Alias, Zazali & Alan G. Clark. (2007). Studies on the glutathione S‐transferase proteome of adult Drosophila melanogaster: Responsiveness to chemical challenge. PROTEOMICS. 7(19). 3618–3628. 29 indexed citations

Wei, Shuaishuai, Alan G. Clark, & Michael Syvanen. (2001). Identification and cloning of a key insecticide-metabolizing glutathione S-transferase (MdGST-6A) from a hyper insecticide-resistant strain of the housefly Musca domestica. Insect Biochemistry and Molecular Biology. 31(12). 1145–1153. 118 indexed citations

Chen, Xiao Ping, et al.. (1998). Chromatographic separation of fluorescent thiol adducts of 4-chloro-7-sulphobenzofurazan. Journal of Chromatography B Biomedical Sciences and Applications. 709(1). 19–25. 3 indexed citations

Guha‐Chowdhury, N., Alan G. Clark, & C.H. Sissons. (1997). Inhibition of purified enolases from oral bacteria by fluoride. Oral Microbiology and Immunology. 12(2). 91–97. 55 indexed citations

Clark, Alan G., et al.. (1997). Inhibition of human glutathione S-transferases by basic triphenylmethane dyes. Life Sciences. 60(18). 1535–1544. 6 indexed citations

Clark, Alan G., et al.. (1993). Inhibition of glutathione s-transferases from rat liver by basic triphenylmethane dyes. Biochemical Pharmacology. 45(6). 1227–1233. 18 indexed citations

Clark, Alan G., et al.. (1990). Synthesis and use of an isoform-specific affinity matrix in the purification of glutathione S-transferases from the housefly, Musca domestica (L.). Protein Expression and Purification. 1(2). 121–126. 9 indexed citations

10.

Clark, Alan G.. (1989). The comparative enzymology of the glutathione S-transferases from non-vertebrate organisms. Comparative Biochemistry and Physiology Part B Comparative Biochemistry. 92(3). 419–446. 140 indexed citations

11.

Clark, Alan G., et al.. (1988). The meisenheimer complex of glutathione and trinitrobenzene. Biochemical Pharmacology. 37(2). 259–263. 14 indexed citations

12.

Reynolds, J. R., R P Walt, Alan G. Clark, J D Hardcastle, & M J Langman. (1987). Intragastric pH monitoring in acute upper gastrointestinal bleeding and the effect of intravenous cimetidine and ranitidine. Alimentary Pharmacology & Therapeutics. 1(1). 23–30. 26 indexed citations

13.

Clark, Alan G., et al.. (1986). Survival and Growth of Campylobacter jejuni in Egg Yolk and Albumen. Journal of Food Protection. 49(2). 135–141. 19 indexed citations

14.

Clark, Alan G., et al.. (1985). Laboratory infection of chicken eggs with Campylobacter jejuni by using temperature or pressure differentials. Applied and Environmental Microbiology. 49(6). 1467–1471. 33 indexed citations

15.

Clark, Alan G. & D. Jowett. (1978). Hydrolytic enzymes of the paua Haliotis iris , a marine gastropod (note).. New Zealand Journal of Marine and Freshwater Research. 12(2). 221–222. 2 indexed citations

16.

Clark, Alan G., et al.. (1978). The effect of route of administration on the biliary excretion of phenolphthalein and its glucuronide.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 30(6). 383–3. 5 indexed citations

17.

Clark, Alan G., et al.. (1971). The Observation of Myxobacterial Fruiting Bodies. Journal of Applied Bacteriology. 34(2). 399–401. 5 indexed citations

18.

Bachelard, H. S., et al.. (1971). Cerebral-cortex hexokinases. Elucidation of reaction mechanisms by substrate and dead-end inhibitor kinetic analysis. Biochemical Journal. 123(5). 707–715. 73 indexed citations

19.

Clark, Alan G., et al.. (1960). NEW YEAST CULTURE PLANT. Journal of the Institute of Brewing. 66(4). 287–292. 1 indexed citations

20.

Clark, Alan G.. (1960). NON-BIOLOGICAL HAZE IN BOTTLED BEERS: A SURVEY OF THE LITERATURE. Journal of the Institute of Brewing. 66(4). 318–330. 1 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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