Leona P. Whichard

2.9k total citations · 2 hit papers
27 papers, 2.3k citations indexed

About

Leona P. Whichard is a scholar working on Molecular Biology, Immunology and Oncology. According to data from OpenAlex, Leona P. Whichard has authored 27 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Molecular Biology, 9 papers in Immunology and 6 papers in Oncology. Recurrent topics in Leona P. Whichard's work include T-cell and B-cell Immunology (5 papers), DNA and Nucleic Acid Chemistry (4 papers) and Immunotherapy and Immune Responses (4 papers). Leona P. Whichard is often cited by papers focused on T-cell and B-cell Immunology (5 papers), DNA and Nucleic Acid Chemistry (4 papers) and Immunotherapy and Immune Responses (4 papers). Leona P. Whichard collaborates with scholars based in United States, Hungary and Japan. Leona P. Whichard's co-authors include G. H. Egley, Monroe E. Wall, Dhavalkumar D. Patel, Barton F. Haynes, K H Singer, Stephen M. Denning, P. Coggon, A. T. McPhail, Patricia A. Luhan and Phong T. Le and has published in prestigious journals such as Science, Journal of the American Chemical Society and The Journal of Experimental Medicine.

In The Last Decade

Leona P. Whichard

27 papers receiving 2.3k citations

Hit Papers

Germination of Witchweed ... 1966 2026 1986 2006 1966 1972 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. Germination of Witchweed ( Striga lutea Lour.): Isolation and Properties of a Potent Stimulant
    1966 755 citations Leona P. Whichard et al. profile →
  2. Germination stimulants. II. Structure of strigol, a potent seed germination stimulant for witchweed (Striga lutea)
    1972 345 citations Leona P. Whichard et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Leona P. Whichard United States 18 1.1k 841 583 436 397 27 2.3k
Yumi Yamashita Japan 26 126 0.1× 73 0.1× 1.1k 1.9× 934 2.1× 389 1.0× 77 2.3k
Sophia Derdak Austria 21 286 0.3× 37 0.0× 630 1.1× 800 1.8× 272 0.7× 58 1.9k
Marc Castellazzi France 24 74 0.1× 83 0.1× 282 0.5× 1.9k 4.3× 382 1.0× 47 2.5k
Frans Hochstenbach Netherlands 18 161 0.1× 23 0.0× 856 1.5× 767 1.8× 229 0.6× 25 1.8k
Emilie Flaberg Sweden 15 57 0.1× 332 0.4× 175 0.3× 363 0.8× 477 1.2× 21 1.5k
Loretta Pappan United States 11 203 0.2× 40 0.0× 295 0.5× 397 0.9× 176 0.4× 12 1.1k
Christophe Duperray France 22 117 0.1× 22 0.0× 577 1.0× 488 1.1× 242 0.6× 49 1.5k
Stefan Vermeulen Belgium 26 204 0.2× 20 0.0× 159 0.3× 1.5k 3.3× 487 1.2× 46 2.5k
Paula Bertram United States 19 166 0.2× 40 0.0× 672 1.2× 1.3k 3.0× 97 0.2× 30 2.2k
Daniel S. Pereira Brazil 22 86 0.1× 68 0.1× 237 0.4× 885 2.0× 440 1.1× 76 1.7k

Countries citing papers authored by Leona P. Whichard

Since Specialization
Citations

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

Fields of papers citing papers by Leona P. Whichard

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Leona P. Whichard. 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 Leona P. Whichard. The network helps show where Leona P. Whichard may publish in the future.

Co-authorship network of co-authors of Leona P. Whichard

This figure shows the co-authorship network connecting the top 25 collaborators of Leona P. Whichard. A scholar is included among the top collaborators of Leona P. Whichard 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 Leona P. Whichard. Leona P. Whichard 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.
Patel, Dhavalkumar D., Witte Koopmann, Toshio Imai, et al.. (2001). Chemokines Have Diverse Abilities to Form Solid Phase Gradients. Clinical Immunology. 99(1). 43–52. 116 indexed citations
2.
Levesque, Marc C., et al.. (1998). Cytokine-regulated expression of activated leukocyte cell adhesion molecule (CD166) on monocyte-lineage cells and in rheumatoid arthritis synovium. Arthritis & Rheumatism. 41(12). 2221–2229. 44 indexed citations
3.
Levesque, Marc C., et al.. (1998). Cytokine-regulated expression of activated leukocyte cell adhesion molecule (CD166) on monocyte-lineage cells and in rheumatoid arthritis synovium. Arthritis & Rheumatism. 41(12). 2221–2229. 2 indexed citations
4.
Miralles, G. Diego, Clayton A. Smith, Leona P. Whichard, et al.. (1998). CD34+CD38−lin− Cord Blood Cells Develop into Dendritic Cells in Human Thymic Stromal Monolayers and Thymic Nodules. The Journal of Immunology. 160(7). 3290–3298. 13 indexed citations
5.
6.
7.
Patel, Dhavalkumar D., S. Wee, Leona P. Whichard, et al.. (1995). Identification and characterization of a 100-kD ligand for CD6 on human thymic epithelial cells.. The Journal of Experimental Medicine. 181(4). 1563–1568. 127 indexed citations
8.
Patel, Dhavalkumar D., Leona P. Whichard, Gilbert Radcliff, Stephen M. Denning, & Barton F. Haynes. (1995). Characterization of human thymic epithelial cell surface antigens: Phenotypic similarity of thymic epithelial cells to epidermal keratinocytes. Journal of Clinical Immunology. 15(2). 80–92. 49 indexed citations
9.
Patel, Dhavalkumar D., Laura P. Hale, Leona P. Whichard, et al.. (1995). Expression of CD44 molecules and CD44 ligands during human thymic fetal development: expression of CD44 isoforms is developmentally regulated. International Immunology. 7(2). 277–286. 34 indexed citations
10.
Schnittman, S M, K H Singer, Jack Greenhouse, et al.. (1991). Thymic microenvironment induces HIV expression. Physiologic secretion of IL-6 by thymic epithelial cells up-regulates virus expression in chronically infected cells. The Journal of Immunology. 147(8). 2553–2558. 30 indexed citations
11.
Le, Phong T., Suzanne Lazorick, Leona P. Whichard, Barton F. Haynes, & K H Singer. (1991). Regulation of cytokine production in the human thymus: epidermal growth factor and transforming growth factor alpha regulate mRNA levels of interleukin 1 alpha (IL-1 alpha), IL-1 beta, and IL-6 in human thymic epithelial cells at a post-transcriptional level.. The Journal of Experimental Medicine. 174(5). 1147–1157. 95 indexed citations
12.
Singer, Kay H., Phong T. Le, Stephen M. Denning, Leona P. Whichard, & Barton F. Haynes. (1990). The Role of Adhesion Molecules in Epithelial–T-Cell Interactions in Thymus and Skin. Journal of Investigative Dermatology. 94(6). s85–s90. 29 indexed citations
13.
Le, Phong T., Suzanne Lazorick, Leona P. Whichard, et al.. (1990). Human thymic epithelial cells produce IL-6, granulocyte-monocyte-CSF, and leukemia inhibitory factor.. The Journal of Immunology. 145(10). 3310–3315. 92 indexed citations
14.
Singer, K H, Stephen M. Denning, Leona P. Whichard, & Barton F. Haynes. (1990). Thymocyte LFA-1 and thymic epithelial cell ICAM-1 molecules mediate binding of activated human thymocytes to thymic epithelial cells.. The Journal of Immunology. 144(8). 2931–2939. 79 indexed citations
15.
Singer, Kay H., Richard M. Scearce, D T Tuck, et al.. (1989). Removal of Fibroblasts from Human Epithelial Cell Cultures with Use of a Complement Fixing Monoclonal Antibody Reactive with Human Fibroblasts and Monocytes/Macrophages. Journal of Investigative Dermatology. 92(2). 166–170. 68 indexed citations
16.
Haynes, Barton F., Leona P. Whichard, Laura P. Hale, et al.. (1988). Synovial microenvironment‐t cell interactions. Arthritis & Rheumatism. 31(8). 947–955. 52 indexed citations
17.
Holbrook, David J., et al.. (1975). Effect of Nucleic‐Acid‐Binding Compounds on the Hydrolytic Activity of Various Ribonucleases. European Journal of Biochemistry. 60(2). 317–324. 4 indexed citations
18.
Morris, Carl R., et al.. (1970). The Binding of Antimalarial Aminoquinolines to Nucleic Acids and Polynucleotides. Molecular Pharmacology. 6(3). 240–250. 11 indexed citations
19.
Whichard, Leona P., et al.. (1968). The Binding of Primaquine, Pentaquine, Pamaquine, and Plasmocid to Deoxyribonucleic Acid. Molecular Pharmacology. 4(6). 630–639. 21 indexed citations
20.
Whichard, Leona P., et al.. (1964). Effect of histones on the induction of two liver enzymes by hydrocortisone. Archives of Biochemistry and Biophysics. 108(2). 364–365. 11 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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