John E. Packer

3.3k total citations · 1 hit paper
56 papers, 2.5k citations indexed

About

John E. Packer is a scholar working on Organic Chemistry, Physical and Theoretical Chemistry and Molecular Biology. According to data from OpenAlex, John E. Packer has authored 56 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Organic Chemistry, 15 papers in Physical and Theoretical Chemistry and 10 papers in Molecular Biology. Recurrent topics in John E. Packer's work include Free Radicals and Antioxidants (15 papers), Radical Photochemical Reactions (8 papers) and Photochemistry and Electron Transfer Studies (8 papers). John E. Packer is often cited by papers focused on Free Radicals and Antioxidants (15 papers), Radical Photochemical Reactions (8 papers) and Photochemistry and Electron Transfer Studies (8 papers). John E. Packer collaborates with scholars based in New Zealand, United Kingdom and United States. John E. Packer's co-authors include R. L. Willson, T. F. Slater, John P. Barton, Trevor F. Slater, Victor O. Mora-Arellano, Luigi G. Forni, Robert F. Anderson, Alfred Fischer, Klaus‐Dieter Asmus and Detlef W. Bahnemann and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Journal of Bone and Joint Surgery.

In The Last Decade

John E. Packer

56 papers receiving 2.4k citations

Hit Papers

Direct observation of a free radical interaction between ... 1979 2026 1994 2010 1979 250 500 750 1000
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. Direct observation of a free radical interaction between vitamin E and vitamin C
    1979 1.2k citations John E. Packer, T. F. Slater et al. Nature 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 E. Packer New Zealand 19 934 707 652 543 221 56 2.5k
K. U. Ingold Canada 22 1.6k 1.7× 1.7k 2.4× 789 1.2× 880 1.6× 225 1.0× 33 3.2k
L. R. C. Barclay Canada 31 2.1k 2.3× 1.3k 1.9× 820 1.3× 485 0.9× 362 1.6× 96 4.1k
Igor B. Afanasʹev Russia 26 954 1.0× 826 1.2× 1.0k 1.6× 310 0.6× 425 1.9× 67 3.7k
Manfred Sarán Germany 32 1.3k 1.4× 1.5k 2.1× 1.3k 2.1× 397 0.7× 512 2.3× 58 4.7k
L. Hughes Canada 19 1.4k 1.5× 1.4k 2.0× 563 0.9× 633 1.2× 143 0.6× 35 2.4k
J. Lee Poyer United States 19 537 0.6× 275 0.4× 815 1.3× 313 0.6× 349 1.6× 39 2.5k
Luis P. Candeias United Kingdom 25 678 0.7× 661 0.9× 1.1k 1.7× 268 0.5× 298 1.3× 37 3.2k
Leland L. Smith United States 37 752 0.8× 592 0.8× 2.3k 3.5× 387 0.7× 172 0.8× 151 4.8k
Christa Michel Germany 23 1.2k 1.2× 1.6k 2.3× 1.1k 1.6× 260 0.5× 198 0.9× 36 3.8k
E. Niki Japan 22 814 0.9× 1.1k 1.5× 702 1.1× 642 1.2× 325 1.5× 33 2.9k

Countries citing papers authored by John E. Packer

Since Specialization
Citations

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

Fields of papers citing papers by John E. Packer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John E. Packer

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

All Works

20 of 20 papers shown
1.
Hidaka, Chisa, et al.. (2009). Whatʼs New in Orthopaedic Research. Journal of Bone and Joint Surgery. 91(11). 2756–2770. 1 indexed citations
2.
Anderson, Robert F., et al.. (2000). Reduction in free-radical-induced DNA strand breaks and base damage through fast chemical repair by flavonoids. Free Radical Research. 33(1). 91–103. 56 indexed citations
3.
Packer, John E. & Robert F. Anderson. (1997). The Iodine—Thiosulfate Reaction: a Pulse-Radiolysis Study and Spectrophotometric Evidence for the Intermediates I 2 S 2 O 3 2- and IS 2 0 3 - .. Australian Journal of Chemistry. 50(4). 435–438. 5 indexed citations
4.
Anderson, Robert F., William A. Denny, Wenjie Li, et al.. (1997). Pulse Radiolysis Studies on the Fragmentation of Arylmethyl Quaternary Nitrogen Mustards by One-Electron Reduction in Aqueous Solution. The Journal of Physical Chemistry A. 101(50). 9704–9709. 54 indexed citations
5.
Packer, John E., et al.. (1991). Lewis structures, formal charge, and oxidation numbers: A more user-friendly approach. Journal of Chemical Education. 68(6). 456–456. 15 indexed citations
6.
Packer, John E., et al.. (1989). Responses of ‘Fuyu’ Persimmon to γ-Irradiation. HortScience. 24(4). 635–637. 2 indexed citations
7.
Packer, John E., et al.. (1989). Responses of 'Fuyu' persimmon to gamma-irradiation. 2 indexed citations
8.
Forni, Luigi G., Victor O. Mora-Arellano, John E. Packer, & R. L. Willson. (1988). Aminopyrine and antipyrine free radical-cations: pulse radiolysis studies of one-electron transfer reactions. Journal of the Chemical Society Perkin Transactions 2. 1579–1579. 16 indexed citations
9.
Packer, John E., et al.. (1987). Redox chemistry of the 9-anilinoacridine class of antitumor agents. Journal of Medicinal Chemistry. 30(3). 473–480. 23 indexed citations
10.
Packer, John E.. (1984). A reinvestigation of the oxidation of cysteine by Br2–˙ and I2–˙. Evidence for CyS ∴ Br–and CyS ∴ I–. Journal of the Chemical Society Perkin Transactions 2. 1015–1024. 4 indexed citations
11.
Anderson, Robert F., John E. Packer, & William A. Denny. (1984). One-electron reduction potential of m-AMSA+[9-(2-methoxy-4-methylsulphonylaminoanilino)acridinium] as measured by pulse radiolysis. Journal of the Chemical Society Perkin Transactions 2. 49–49. 2 indexed citations
12.
Packer, John E., et al.. (1981). Reactions of the Trichloromethylperoxy Free Radical (Cl 3 COO.) with Tryptophan, Tryptophanyl-tyrosine and Lysozyme. International Journal of Radiation Biology and Related Studies in Physics Chemistry and Medicine. 39(2). 135–141. 44 indexed citations
13.
Packer, John E., T. F. Slater, & R. L. Willson. (1979). Direct observation of a free radical interaction between vitamin E and vitamin C. Nature. 278(5706). 737–738. 1165 indexed citations breakdown →
14.
Packer, John E., et al.. (1974). Free-radical reductions of arenediazonium ions in aqueous solution. Part II. Kinetics of reactions with formate, cysteine, methanol, hypophosphite, and phosphite as reducing agents. Journal of the Chemical Society Perkin Transactions 2. 1472–1472. 6 indexed citations
15.
Barton, John P., et al.. (1973). Kinetics of the reaction of hydrogen peroxide with cysteine and cysteamine. Journal of the Chemical Society Perkin Transactions 2. 1547–1547. 65 indexed citations
16.
Packer, John E., et al.. (1962). 656. The acid-catalysed bromination of substituted benzyl phenyl ketones. Journal of the Chemical Society (Resumed). 3318–3318. 3 indexed citations
17.
Packer, John E.. (1962). Radiolysis of Aqueous Solutions of Hydrogen Sulphide and an Interpretation of Radiolytic Thiol Oxidation. Nature. 194(4823). 81–82. 4 indexed citations
18.
Creamer, Lawrence K., et al.. (1961). Resonance Interactions in Naphthalene Derivatives: Dissociation of Substituted Naphthols and Naphthoic Acids. The Journal of Organic Chemistry. 26(9). 3148–3152. 13 indexed citations
19.
Packer, John E., et al.. (1958). A modern approach to organic chemistry. Clarendon Press eBooks. 30 indexed citations
20.
Packer, John E., et al.. (1958). Steric Strains in Methylnaphthalenes. Journal of the American Chemical Society. 80(4). 905–907. 22 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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