I. G. Charles

2.7k total citations · 2 hit papers
12 papers, 2.3k citations indexed

About

I. G. Charles is a scholar working on Molecular Biology, Physiology and Microbiology. According to data from OpenAlex, I. G. Charles has authored 12 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Molecular Biology, 5 papers in Physiology and 4 papers in Microbiology. Recurrent topics in I. G. Charles's work include Nitric Oxide and Endothelin Effects (5 papers), Eicosanoids and Hypertension Pharmacology (3 papers) and Bacterial Infections and Vaccines (3 papers). I. G. Charles is often cited by papers focused on Nitric Oxide and Endothelin Effects (5 papers), Eicosanoids and Hypertension Pharmacology (3 papers) and Bacterial Infections and Vaccines (3 papers). I. G. Charles collaborates with scholars based in United Kingdom. I. G. Charles's co-authors include Ignacio Lizasoaín, Carl P. Weiner, S. Moncada, Richard G. Knowles, Salvador Moncada, D.W. Moss, D. C. Jenkins, Lindy L. Thomsen, P.C. Emson and Lesley Holmes and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nature Biotechnology and The Journal of Infectious Diseases.

In The Last Decade

I. G. Charles

12 papers receiving 2.2k citations

Hit Papers

Induction of calcium-dependent nitric oxide synthases by ... 1994 2026 2004 2015 1994 1995 250 500 750
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. Induction of calcium-dependent nitric oxide synthases by sex hormones.
    1994 923 citations Carl P. Weiner, Ignacio Lizasoaín et al. Proceedings of the National Academy of Sciences profile →
  2. Roles of nitric oxide in tumor growth.
    1995 664 citations D. C. Jenkins, I. G. Charles et al. Proceedings of the National Academy of Sciences profile →

Peers

I. G. Charles
P H Pekala United States
V. Kolb‐Bachofen Germany
Tian‐Quan Cai United States
Elmus Beale United States
Nicole Chartrain United States
Ryuji Hiramatsu Japan
Sarah M. Nicoloro United States
John MacDermot United Kingdom
Stephen D. Cederbaum United States
M. Motasim Billah United States
P H Pekala United States
I. G. Charles
Citations per year, relative to I. G. Charles I. G. Charles (= 1×) peers P H Pekala

Countries citing papers authored by I. G. Charles

Since Specialization
Citations

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

Fields of papers citing papers by I. G. Charles

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of I. G. Charles

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

All Works

12 of 12 papers shown
1.
Nichols, C.E., et al.. (2006). Structural characterization of Salmonella typhimurium YeaZ, an M22 O‐sialoglycoprotein endopeptidase homolog. Proteins Structure Function and Bioinformatics. 64(1). 111–123. 36 indexed citations
2.
Moilanen, Eeva, Teemu Moilanen, RG Knowles, et al.. (1997). Nitric oxide synthase is expressed in human macrophages during foreign body inflammation.. PubMed. 150(3). 881–7. 71 indexed citations
3.
Jenkins, D. C., I. G. Charles, Lindy L. Thomsen, et al.. (1995). Roles of nitric oxide in tumor growth.. Proceedings of the National Academy of Sciences. 92(10). 4392–4396. 664 indexed citations breakdown →
4.
Jenkins, D. C., et al.. (1994). Human colon cancer cell lines show a diverse pattern of nitric oxide synthase gene expression and nitric oxide generation. British Journal of Cancer. 70(5). 847–849. 118 indexed citations
5.
Weiner, Carl P., et al.. (1994). Induction of calcium-dependent nitric oxide synthases by sex hormones.. Proceedings of the National Academy of Sciences. 91(11). 5212–5216. 923 indexed citations breakdown →
6.
Charles, I. G., Richard Palmer, Michael T. Bayliss, et al.. (1993). Cloning, characterization, and expression of a cDNA encoding an inducible nitric oxide synthase from the human chondrocyte.. Proceedings of the National Academy of Sciences. 90(23). 11419–11423. 253 indexed citations
7.
Li, Juan, et al.. (1992). Cloning, nucleotide sequence and heterologous expression of the protective outer-membrane protein P.68 pertactin from Bordetella bronchiseptica. Journal of General Microbiology. 138(8). 1697–1705. 36 indexed citations
8.
Novotný, Pavel, et al.. (1991). Biologic and Protective Properties of the 69-kDa Outer Membrane Protein of Bordetella pertussis: A Novel Formulation for an Acellular Pertussis Vaccine. The Journal of Infectious Diseases. 164(1). 114–122. 27 indexed citations
9.
10.
Charles, I. G., Heather K. Lamb, Derek Pickard, Gordon Dougan, & A R Hawkins. (1990). Isolation, characterization and nucleotide sequences of the aroC genes encoding chorismate synthase from Salmonella typhi and Escherichia coli. Journal of General Microbiology. 136(2). 353–358. 32 indexed citations
11.
Makoff, Andrew, et al.. (1990). Protective Surface Antigen P69 of Bordetella pertussis: Its Characterization and Very High Level Expression in Escherichia coli. Nature Biotechnology. 8(11). 1030–1033. 26 indexed citations
12.
Fairweather, Neil F., S Chatfield, I. G. Charles, et al.. (1990). Use of live attenuated bacteria to stimulate immunity. Research in Microbiology. 141(7-8). 769–773. 16 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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2026