Margaret Roberts

5.9k total citations · 1 hit paper
111 papers, 4.4k citations indexed

About

Margaret Roberts is a scholar working on Molecular Biology, Plant Science and Pharmacology. According to data from OpenAlex, Margaret Roberts has authored 111 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Molecular Biology, 39 papers in Plant Science and 18 papers in Pharmacology. Recurrent topics in Margaret Roberts's work include Plant tissue culture and regeneration (13 papers), Berberine and alkaloids research (11 papers) and Phytochemical compounds biological activities (10 papers). Margaret Roberts is often cited by papers focused on Plant tissue culture and regeneration (13 papers), Berberine and alkaloids research (11 papers) and Phytochemical compounds biological activities (10 papers). Margaret Roberts collaborates with scholars based in United Kingdom, Mexico and Nigeria. Margaret Roberts's co-authors include J. Phillipson, Michaël Wink, Meinhart H. Zenk, J. David Phillipson, R. G. Priest, Barry C. Elford, André Tylee, Annette Roberts, Christine Vize and Shilin Yang and has published in prestigious journals such as American Journal of Psychiatry, Brain Research and BioScience.

In The Last Decade

Margaret Roberts

106 papers receiving 4.2k citations

Hit Papers

The flavonoids advances i... 1994 2026 2004 2015 1994 400 800 1.2k
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. The flavonoids advances in research since 1986:
    1994 1.4k citations Margaret Roberts Phytochemistry profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Margaret Roberts United Kingdom 26 1.9k 1.5k 738 711 579 111 4.4k
Koichi Koshimįzu Japan 43 2.3k 1.2× 2.1k 1.4× 757 1.0× 663 0.9× 620 1.1× 191 5.2k
Andrew Marston Switzerland 37 1.5k 0.8× 1.8k 1.2× 377 0.5× 678 1.0× 616 1.1× 104 4.0k
Adolf Nahrstedt Germany 39 1.7k 0.9× 3.1k 2.1× 545 0.7× 350 0.5× 577 1.0× 188 5.4k
Franco Delle Monachè Italy 39 2.8k 1.4× 2.7k 1.8× 447 0.6× 959 1.3× 899 1.6× 275 5.9k
Fanie R. van Heerden South Africa 35 1.4k 0.7× 1.4k 0.9× 298 0.4× 614 0.9× 554 1.0× 144 3.7k
D. E. NICHOLS United States 13 1.1k 0.6× 1.8k 1.2× 318 0.4× 687 1.0× 418 0.7× 27 4.3k
Andrea Porzel Germany 38 2.8k 1.4× 2.8k 1.9× 328 0.4× 935 1.3× 813 1.4× 233 5.9k
Nikolaus H. Fischer United States 29 1.7k 0.9× 1.3k 0.9× 233 0.3× 475 0.7× 255 0.4× 155 3.4k
N.R. Farnsworth United States 20 1.1k 0.6× 1.7k 1.2× 354 0.5× 344 0.5× 443 0.8× 61 3.8k
Nijsiri Ruangrungsi Thailand 38 1.7k 0.9× 1.4k 0.9× 268 0.4× 982 1.4× 684 1.2× 166 4.1k

Countries citing papers authored by Margaret Roberts

Since Specialization
Citations

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

Fields of papers citing papers by Margaret Roberts

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Margaret Roberts

This figure shows the co-authorship network connecting the top 25 collaborators of Margaret Roberts. A scholar is included among the top collaborators of Margaret Roberts 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 Margaret Roberts. Margaret Roberts 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.
2.
Rao‐Balakrishna, Prasanna, Catherine Lee, Margaret Roberts, et al.. (2007). Value of early post-operative growth hormone assessment in acromegaly surgery. 13. 1 indexed citations
3.
Hartmann, Thomas, Margaret Roberts, & Michaël Wink. (1999). The Fascination of Alkaloids. BioScience. 49(3). 238–238. 1 indexed citations
4.
Roberts, Margaret & Michaël Wink. (1998). Alkaloids: biochemistry, ecology, and medicinal applications.. 229 indexed citations
5.
Williamson, Elizabeth M., et al.. (1998). Antiinflammatory activity of binaphthaquinones fromDiospyros species. Phytotherapy Research. 12(3). 155–158. 5 indexed citations
6.
Priest, R. G., Christine Vize, Annette Roberts, Margaret Roberts, & André Tylee. (1996). Lay people's attitudes to treatment of depression: results of opinion poll for Defeat Depression Campaign just before its launch. BMJ. 313(7061). 858–859. 299 indexed citations
7.
Cai, Yu, F.J. Evans, Margaret Roberts, et al.. (1991). Polyphenolic compounds from Croton lechleri. Phytochemistry. 30(6). 2033–2040. 120 indexed citations
8.
Roberts, Margaret, et al.. (1991). Further Studies Of Sequestration Of Alkaloids In Papaver Somniferum L. Latex Vacuoles. Zeitschrift für Naturforschung C. 46(5-6). 377–388. 4 indexed citations
9.
Harrison, Mark E., et al.. (1991). High-performance liquid chromatographic—mass spectrometric assay of high-value compounds for pharmaceutical use from plant cell tissue culture: Cinchona alkaloids. Journal of Chromatography B Biomedical Sciences and Applications. 562(1-2). 713–721. 10 indexed citations
10.
Yang, Shilin, et al.. (1990). Canthin-6-one alkaloids from cell suspension cultures of Brucea javanica. Phytochemistry. 29(1). 141–143. 21 indexed citations
11.
Yang, Shilin, et al.. (1989). Flavonol glycosides with acetyl substitution from Kalanchoe gracilis. Phytochemistry. 28(10). 2813–2818. 21 indexed citations
12.
Roberts, Margaret, Toni M. Kutchan, Richard T. Brown, & Carmine Coscia. (1987). Implication of tyramine in the biosynthesis of morphinan alkaloids in Papaver. Planta. 172(2). 230–237. 9 indexed citations
13.
14.
Anderson, Linda A., et al.. (1986). Studies on Ailanthus altissima cell suspension cultures. Plant Cell Reports. 5(5). 387–390. 16 indexed citations
15.
Anderson, Linda A., et al.. (1986). In vitro cultures of Cinchona species. Plant Cell Reports. 5(1). 1–4. 20 indexed citations
16.
Roberts, Margaret, et al.. (1982). Phytochemical Investigation of the Flavonoids of Stevia (Compositae). Journal of Pharmacy and Pharmacology. 34(Supplement_12). 108P–108P. 1 indexed citations
17.
Roberts, Margaret. (1979). Observations on cell structure and cytology in the genus Durvillaea Bory. New Zealand Journal of Botany. 17(3). 241–249. 7 indexed citations
18.
Roberts, Margaret. (1977). Purification and properties of L-alanine: 5-ketooctanal aminotransferase from Conium maculatum. Phytochemistry. 16(9). 1381–1386. 12 indexed citations
19.
Roberts, Margaret, et al.. (1972). Preliminary investigations into conditions affecting the growth of the microscopic phase ofScytosiphon lomentarius(Lyngbye) Link. Bulletin de la Société Botanique de France. 119(sup1). 117–127. 7 indexed citations
20.
Roberts, Margaret, et al.. (1961). Studies on plant cuticle: IV. The leaf cuticle in relation to invasion by fungi.. 6 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Koichi Koshimįzu Breakdown of academic impact, for papers by Andrew Marston Breakdown of academic impact, for papers by Adolf Nahrstedt Breakdown of academic impact, for papers by Franco Delle Monachè Breakdown of academic impact, for papers by Fanie R. van Heerden Breakdown of academic impact, for papers by D. E. NICHOLS Breakdown of academic impact, for papers by Andrea Porzel Breakdown of academic impact, for papers by Nikolaus H. Fischer Breakdown of academic impact, for papers by N.R. Farnsworth Breakdown of academic impact, for papers by Nijsiri Ruangrungsi
Rankless by CCL
2026