Helen A. Lloyd

508 total citations
19 papers, 386 citations indexed

About

Helen A. Lloyd is a scholar working on Genetics, Organic Chemistry and Cellular and Molecular Neuroscience. According to data from OpenAlex, Helen A. Lloyd has authored 19 papers receiving a total of 386 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Genetics, 5 papers in Organic Chemistry and 5 papers in Cellular and Molecular Neuroscience. Recurrent topics in Helen A. Lloyd's work include Insect and Arachnid Ecology and Behavior (4 papers), Neurobiology and Insect Physiology Research (3 papers) and Plant and animal studies (3 papers). Helen A. Lloyd is often cited by papers focused on Insect and Arachnid Ecology and Behavior (4 papers), Neurobiology and Insect Physiology Research (3 papers) and Plant and animal studies (3 papers). Helen A. Lloyd collaborates with scholars based in United States, Israel and South Africa. Helen A. Lloyd's co-authors include Henry M. Fales, Abraham Hefetz, G. W. A. Milne, Leon Milewich, Celso E. Gómez-Sánchez, Barbara A. Murry, John T. Sullivan, Gopal Krishna, Charles S. Richards and Edward A. Sokoloski and has published in prestigious journals such as Journal of the American Chemical Society, Biochemical and Biophysical Research Communications and Endocrinology.

In The Last Decade

Helen A. Lloyd

19 papers receiving 346 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Helen A. Lloyd United States 12 94 77 76 70 62 19 386
U. Kerb Switzerland 12 93 1.0× 64 0.8× 141 1.9× 154 2.2× 28 0.5× 37 395
P. K. Grover India 13 78 0.8× 137 1.8× 87 1.1× 142 2.0× 47 0.8× 33 514
A. Smith United Kingdom 11 89 0.9× 33 0.4× 15 0.2× 260 3.7× 32 0.5× 15 482
Jerzy T. Wróbel Poland 11 90 1.0× 6 0.1× 27 0.4× 107 1.5× 19 0.3× 35 295
S. K. Figdor United States 11 102 1.1× 22 0.3× 36 0.5× 82 1.2× 11 0.2× 30 373
H. Komae Japan 11 23 0.2× 10 0.1× 47 0.6× 117 1.7× 16 0.3× 49 332
H. Reich United States 10 46 0.5× 126 1.6× 52 0.7× 103 1.5× 40 0.6× 21 378
Bachir Latli United States 14 212 2.3× 16 0.2× 57 0.8× 255 3.6× 18 0.3× 54 653
A. Furlenmeier Switzerland 13 150 1.6× 6 0.1× 43 0.6× 141 2.0× 31 0.5× 21 430
Harold J. Klosterman United States 10 63 0.7× 27 0.4× 18 0.2× 168 2.4× 20 0.3× 22 390

Countries citing papers authored by Helen A. Lloyd

Since Specialization
Citations

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

Fields of papers citing papers by Helen A. Lloyd

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Helen A. Lloyd. 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 Helen A. Lloyd. The network helps show where Helen A. Lloyd may publish in the future.

Co-authorship network of co-authors of Helen A. Lloyd

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

All Works

19 of 19 papers shown
1.
Fales, Henry M., Helen A. Lloyd, Tappey H. Jones, et al.. (2001). Novel Chemistry of Abdominal Defensive Glands of Nymphalid Butterfly Agraulis vanillae. Journal of Chemical Ecology. 27(6). 1219–1228. 15 indexed citations
2.
Weldon, Paul J., et al.. (1991). Histology and Biochemistry of the Scent Glands of the Yellow-Bellied Sea Snake (Pelamis platurus: Hydrophiidae). Journal of Herpetology. 25(3). 367–367. 8 indexed citations
3.
Fales, Henry M., Helen A. Lloyd, James A. Ferretti, et al.. (1990). Optical resolution of the α-tocopherol spiro dimer and demonstration of its fluxional nature. Journal of the Chemical Society Perkin Transactions 2. 1005–1010. 13 indexed citations
4.
Katz, Edward, Helen A. Lloyd, & Anthony B. Mauger. (1990). Enzymatic synthesis of actinomycin D and analogues containing N-methylalanine from synthetic pentapeptide lactone precursors.. The Journal of Antibiotics. 43(6). 731–733. 5 indexed citations
5.
Kapadia, Govind J., et al.. (1990). Picratidine, a New Indole Alkaloid from Picralima nitida Seeds. Journal of Natural Products. 53(4). 975–977. 24 indexed citations
6.
Taber, Douglass F., et al.. (1988). Enantioselective construction of heterocycles. Synthesis of (R,R)-solenopsin B. The Journal of Organic Chemistry. 53(13). 2968–2971. 37 indexed citations
7.
Bird, Paul, et al.. (1986). Electrochemical oxidation of aromatic ethers. Part 11. The synthesis of phenanthropyrrolidines. Journal of the Chemical Society Perkin Transactions 1. 1197–1197. 1 indexed citations
8.
Hefetz, Abraham & Helen A. Lloyd. (1985). Mandibular Gland Secretions as Alarm Pheromones in Two Species of the Desert Ant Cataglyphis. Zeitschrift für Naturforschung C. 40(9-10). 665–666. 12 indexed citations
9.
Lloyd, Helen A., Henry M. Fales, Mark E. Goldman, et al.. (1985). Brunfelsamidine: a novel convulsant from the medicinal plant. Tetrahedron Letters. 26(22). 2623–2624. 20 indexed citations
10.
Hefetz, Abraham & Helen A. Lloyd. (1983). Identification of new components from anal glands ofTapinoma simrothi pheonicium. Journal of Chemical Ecology. 9(5). 607–613. 17 indexed citations
11.
Sullivan, John T., Charles S. Richards, Helen A. Lloyd, & Gopal Krishna. (1982). Anacardic Acid: Molluscicide in Cashew Nut Shell Liquid. Planta Medica. 44(3). 175–177. 38 indexed citations
12.
Hefetz, Abraham & Helen A. Lloyd. (1982). Exocrine glands ofPolyrhachis simplex: Chemistry and function. Journal of Chemical Ecology. 8(3). 635–639. 12 indexed citations
13.
Lundgren, David, et al.. (1980). Δ′-Pyrroline: An intermediary metabolite in the conversion of putrescine to 2-pyrrolidone. Biochemical and Biophysical Research Communications. 97(2). 667–672. 10 indexed citations
14.
Gómez-Sánchez, Celso E., et al.. (1979). 19-Nor-Deoxycorticosterone: A Potent Mineralcocorticoid Isolated from the Urine of Rats with Regenerating Adrenals*. Endocrinology. 105(3). 708–711. 74 indexed citations
15.
Brand, J. M., Murray S. Blum, Helen A. Lloyd, & David Fletcher. (1974). Monoterpene Hydrocarbons in the Poison Gland Secretion of the Ant Myrmicaria natalensis (Hymenoptera: Formicidae). Annals of the Entomological Society of America. 67(3). 525–526. 16 indexed citations
16.
Fales, Henry M., Helen A. Lloyd, & G. W. A. Milne. (1970). Chemical ionization mass spectrometry of complex molecules. II. Alkaloids. Journal of the American Chemical Society. 92(6). 1590–1597. 61 indexed citations
17.
Baum, George, Helen A. Lloyd, & Christ Tamborski. (1964). Synthesis of 5-Alkyl-5,10-dihydro-10-phenylphenophosphazine. The Journal of Organic Chemistry. 29(11). 3410–3411. 9 indexed citations
18.
Newman, Melvin S. & Helen A. Lloyd. (1952). The Reaction of N-Methylpiperidine with Alkyl Durenecarboxylates. Journal of the American Chemical Society. 74(10). 2672–2674. 7 indexed citations
19.
Newman, Melvin S. & Helen A. Lloyd. (1952). DIELS-ALDER REACTIONS OF 2-METHOXY-1,3-BUTADIENE. The Journal of Organic Chemistry. 17(4). 577–580. 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by U. Kerb Breakdown of academic impact, for papers by P. K. Grover Breakdown of academic impact, for papers by A. Smith Breakdown of academic impact, for papers by Jerzy T. Wróbel Breakdown of academic impact, for papers by S. K. Figdor Breakdown of academic impact, for papers by H. Komae Breakdown of academic impact, for papers by H. Reich Breakdown of academic impact, for papers by Bachir Latli Breakdown of academic impact, for papers by A. Furlenmeier Breakdown of academic impact, for papers by Harold J. Klosterman
Rankless by CCL
2026