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.
FLUORESCENCE OF CATECHOL AMINES AND RELATED COMPOUNDS CONDENSED WITH FORMALDEHYDE
19622.1k citationsB. Falck, N.‐Å. Hillarp et al.profile →
This map shows the geographic impact of N.‐Å. Hillarp'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 N.‐Å. Hillarp with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites N.‐Å. Hillarp more than expected).
This network shows the impact of papers produced by N.‐Å. Hillarp. 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 N.‐Å. Hillarp. The network helps show where N.‐Å. Hillarp may publish in the future.
Co-authorship network of co-authors of N.‐Å. Hillarp
This figure shows the co-authorship network connecting the top 25 collaborators of N.‐Å. Hillarp.
A scholar is included among the top collaborators of N.‐Å. Hillarp 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 N.‐Å. Hillarp. N.‐Å. Hillarp is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Hillarp, N.‐Å., Kjell Fuxé, & Annica Dahlström. (1966). Demonstration and mapping of central neurons containing dopamine, noradrenaline, and 5-hydroxytryptamine and their reactions to psychopharmaca.. PubMed. 18(1). 727–41.184 indexed citations
Adams-Ray, J, Annica Dahlström, Kjell Fuxé, & N.‐Å. Hillarp. (1964). Mast cells and monoamines. Cellular and Molecular Life Sciences. 20(2). 80–82.42 indexed citations
5.
Carlsson, Arvid, B. Falck, Kjell Fuxé, & N.‐Å. Hillarp. (1964). Cellular Localization of Monoamines in the Spinal Cord. Acta Physiologica Scandinavica. 60(1-2). 112–119.427 indexed citations breakdown →
6.
Andén, N.‐E., Arvid Carlsson, Annica Dahlström, et al.. (1964). Demonstration and mapping out of nigro-neostriatal dopamine neurons. Life Sciences. 3(6). 523–530.621 indexed citations breakdown →
Euler, U. S. von & N.‐Å. Hillarp. (1956). Evidence for the Presence of Noradrenaline in Submicroscopic Structures of Adrenergic Axons. Nature. 177(4497). 44–45.162 indexed citations breakdown →
Hillarp, N.‐Å. & Bo Nilson. (1954). The structure of the adrenaline and noradrenaline containing granules in the adrenal medullary cells with reference to the storage and release of the sympathomimetic amines.. PubMed. 31(113). 79–107.73 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.