John Turnbull

2.1k total citations · 1 hit paper
17 papers, 1.8k citations indexed

About

John Turnbull is a scholar working on Molecular Biology, Nutrition and Dietetics and Organic Chemistry. According to data from OpenAlex, John Turnbull has authored 17 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Molecular Biology, 6 papers in Nutrition and Dietetics and 2 papers in Organic Chemistry. Recurrent topics in John Turnbull's work include Vitamin C and Antioxidants Research (6 papers), Porphyrin Metabolism and Disorders (3 papers) and Heme Oxygenase-1 and Carbon Monoxide (3 papers). John Turnbull is often cited by papers focused on Vitamin C and Antioxidants Research (6 papers), Porphyrin Metabolism and Disorders (3 papers) and Heme Oxygenase-1 and Carbon Monoxide (3 papers). John Turnbull collaborates with scholars based in United States, Canada and Brazil. John Turnbull's co-authors include Stanley T. Omaye, Howerde E. Sauberlich, Evert Nieboer, Aristide Merola, S.T. Omaye, Glenn G. Fletcher, Bruno Papirmeister, David G. Cornwell, Karl W. Lanks and Gian Luigi Biagi and has published in prestigious journals such as The Science of The Total Environment, Neurology and Environmental Health Perspectives.

In The Last Decade

John Turnbull

17 papers receiving 1.6k citations

Hit Papers

[1] Selected methods for the determination of ascorbic ac... 1979 2026 1994 2010 1979 500 1000 1.5k
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.

  1. [1] Selected methods for the determination of ascorbic acid in animal cells, tissues, and fluids
    1979 1.7k citations Stanley T. Omaye, John Turnbull et al. Methods in enzymology on CD-ROM/Methods in enzymology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John Turnbull United States 10 439 407 363 333 286 17 1.8k
Brian Leibovitz United States 12 612 1.4× 469 1.2× 187 0.5× 460 1.4× 174 0.6× 16 1.9k
Walter G. Niehaus United States 23 274 0.6× 962 2.4× 542 1.5× 179 0.5× 260 0.9× 55 2.6k
Ikuo Nishigaki Japan 16 262 0.6× 496 1.2× 182 0.5× 399 1.2× 154 0.5× 31 1.7k
Carmela Filesi Italy 10 294 0.7× 679 1.7× 356 1.0× 713 2.1× 168 0.6× 11 2.2k
Ian R. Record Australia 21 414 0.9× 299 0.7× 283 0.8× 329 1.0× 169 0.6× 38 1.5k
M. Calomme Belgium 22 347 0.8× 752 1.8× 699 1.9× 625 1.9× 210 0.7× 35 2.4k
Anna Blázovics Hungary 25 256 0.6× 541 1.3× 633 1.7× 613 1.8× 293 1.0× 195 2.4k
Jai C. Tilak India 10 231 0.5× 521 1.3× 468 1.3× 448 1.3× 203 0.7× 11 1.9k
Kyoden YASUMOTO Japan 21 511 1.2× 621 1.5× 414 1.1× 339 1.0× 83 0.3× 133 2.0k
Yoko Aniya Japan 26 204 0.5× 837 2.1× 634 1.7× 504 1.5× 557 1.9× 66 2.4k

Countries citing papers authored by John Turnbull

Since Specialization
Citations

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

Fields of papers citing papers by John Turnbull

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Turnbull. 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 John Turnbull. The network helps show where John Turnbull may publish in the future.

Co-authorship network of co-authors of John Turnbull

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

All Works

17 of 17 papers shown
1.
Saleem, Ayesha, Adeel Safdar, Yu Kitaoka, et al.. (2015). Polymerase gamma mutator mice rely on increased glycolytic flux for energy production. Mitochondrion. 21. 19–26. 15 indexed citations
2.
Turnbull, John. (1996). Temporal arteritis and polymyalgia rheumatica. Neurology. 46(4). 901–906. 3 indexed citations
3.
Turnbull, John, et al.. (1994). Characterization of nickel-induced mutations. The Science of The Total Environment. 148(2-3). 201–206. 11 indexed citations
4.
Fletcher, Glenn G., et al.. (1994). Toxicity, Uptake, and Mutagenicity of Particulate and Soluble Nickel Compounds. Environmental Health Perspectives. 102. 69–69. 21 indexed citations
5.
Turnbull, John & Jules Brodeur. (1984). Influence d'un retard de croissance sur la perméabilité de la barrière hémato-encéphalique chez le rat nouveau-né exposé au plomb. Canadian Journal of Physiology and Pharmacology. 62(1). 142–145. 1 indexed citations
6.
Turnbull, John, et al.. (1981). Depletion and repletion of ascorbic acid in the Rhesus monkey: relationship between ascorbic acid concentration in blood components with total body pool and liver concentration of ascorbic acid.. PubMed. 51(1). 47–53. 15 indexed citations
7.
Omaye, Stanley T., et al.. (1980). Influence of Ascorbic Acid and Erythorbic Acid on Drug Metabolism in the Cynomolgus Monkey. The Journal of Clinical Pharmacology. 20(4). 172–183. 2 indexed citations
8.
Turnbull, John & Stanley T. Omaye. (1980). Synthesis of cytochrome P-450 heme in ascorbic acid-deficient guinea pigs. Biochemical Pharmacology. 29(9). 1255–1260. 7 indexed citations
9.
Omaye, Stanley T. & John Turnbull. (1980). Effect of ascorbic acid on heme metabolism in hepatic microsomes. Life Sciences. 27(6). 441–449. 15 indexed citations
10.
Omaye, Stanley T., John Turnbull, & Howerde E. Sauberlich. (1979). [1] Selected methods for the determination of ascorbic acid in animal cells, tissues, and fluids. Methods in enzymology on CD-ROM/Methods in enzymology. 3–11. 1655 indexed citations breakdown →
11.
Omaye, Stanley T. & John Turnbull. (1979). Degradation of cytochrome P-450 heme in ascorbic acid-deficient guinea pigs. Biochemical Pharmacology. 28(24). 3651–3657. 8 indexed citations
12.
Omaye, Stanley T. & John Turnbull. (1979). Heme oxygenase activity, drug metabolism, and ascorbic acid distribution in the livers of ascorbic acid-deficient guinea pigs. Biochemical Pharmacology. 28(8). 1415–1419. 10 indexed citations
13.
Turnbull, John, Howerde E. Sauberlich, & S.T. Omaye. (1979). Effects of ascorbic acid deficiency and of erythorbic acid on blood components in the Cynomolgus monkey.. PubMed. 49(1). 92–102. 7 indexed citations
14.
Lanks, Karl W., et al.. (1975). Sulfur mustards induce neurite extension and acetylcholinesterase synthesis in cultured neuroblastoma cells. Experimental Cell Research. 93(2). 355–362. 13 indexed citations
15.
Turnbull, John, Gian Luigi Biagi, Aristide Merola, & David G. Cornwell. (1971). Structure-activity relationships for N,N′-bis(dichloroacetyl) diamines and substituted naphthoquinones in the inhibition of mitochondrial electron transport. Biochemical Pharmacology. 20(7). 1383–1391. 13 indexed citations
16.
Merola, Aristide & John Turnbull. (1967). The inhibition of drug metabolism by antispermatogenic N,N′-bis(dichloroacetyl) diamines. Biochemical Pharmacology. 16(1). 211–215. 10 indexed citations
17.
Turnbull, John, et al.. (1967). Reactions of the Perfluoroalkylnitriles. VIII. Syntheses of 1,3,5-Triazines with Specific Groups in the 2, 4, or 6 Positions. The Journal of Organic Chemistry. 32(1). 231–233. 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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