Robert J. Ziccardi

1.4k total citations
30 papers, 1.2k citations indexed

About

Robert J. Ziccardi is a scholar working on Immunology, Genetics and Hematology. According to data from OpenAlex, Robert J. Ziccardi has authored 30 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Immunology, 15 papers in Genetics and 15 papers in Hematology. Recurrent topics in Robert J. Ziccardi's work include Complement system in diseases (17 papers), Coagulation, Bradykinin, Polyphosphates, and Angioedema (13 papers) and Hemophilia Treatment and Research (9 papers). Robert J. Ziccardi is often cited by papers focused on Complement system in diseases (17 papers), Coagulation, Bradykinin, Polyphosphates, and Angioedema (13 papers) and Hemophilia Treatment and Research (9 papers). Robert J. Ziccardi collaborates with scholars based in United States. Robert J. Ziccardi's co-authors include Neil R. Cooper, Hans J. Müller‐Eberhard, Björn Dahlbäck, Andrea J. Tenner, Jürg Tschopp, Verne N. Schumaker, John Goers, M.M. Glovsky, John H. Griffin and John G. Curd and has published in prestigious journals such as Journal of Biological Chemistry, The Journal of Immunology and Biochemistry.

In The Last Decade

Robert J. Ziccardi

30 papers receiving 1.0k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Robert J. Ziccardi United States 19 742 525 459 247 194 30 1.2k
Joe O. Minta Canada 19 617 0.8× 221 0.4× 287 0.6× 290 1.2× 103 0.5× 61 1.1k
Noboru Tamura Japan 8 511 0.7× 221 0.4× 322 0.7× 151 0.6× 149 0.8× 14 817
Rodney R. Porter United Kingdom 15 940 1.3× 148 0.3× 411 0.9× 517 2.1× 364 1.9× 20 1.5k
F. Schmalzl Austria 18 376 0.5× 247 0.5× 424 0.9× 231 0.9× 69 0.4× 85 1.1k
A Henri France 21 306 0.4× 377 0.7× 795 1.7× 559 2.3× 73 0.4× 51 1.6k
Edith Mihaesco France 17 437 0.6× 247 0.5× 134 0.3× 475 1.9× 371 1.9× 47 1.1k
R G Medicus United States 14 552 0.7× 124 0.2× 261 0.6× 172 0.7× 160 0.8× 22 799
Vincent Yakulis United States 18 184 0.2× 190 0.4× 261 0.6× 213 0.9× 153 0.8× 44 702
K Nagaki Japan 17 413 0.6× 182 0.3× 207 0.5× 99 0.4× 91 0.5× 41 616
M Jokinen Finland 12 198 0.3× 143 0.3× 351 0.8× 613 2.5× 124 0.6× 16 1.1k

Countries citing papers authored by Robert J. Ziccardi

Since Specialization
Citations

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

Fields of papers citing papers by Robert J. Ziccardi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert J. Ziccardi. 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 Robert J. Ziccardi. The network helps show where Robert J. Ziccardi may publish in the future.

Co-authorship network of co-authors of Robert J. Ziccardi

This figure shows the co-authorship network connecting the top 25 collaborators of Robert J. Ziccardi. A scholar is included among the top collaborators of Robert J. Ziccardi 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 Robert J. Ziccardi. Robert J. Ziccardi 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.
Ziccardi, Robert J.. (1988). Studies on the mechanism of C3b inhibition of immune complex induced C1 activation. Molecular Immunology. 25(12). 1339–1346. 3 indexed citations
2.
Ziccardi, Robert J.. (1986). Control of C1 activation by nascent C3b and C4b: a mechanism of feedback inhibition.. The Journal of Immunology. 136(9). 3378–3383. 19 indexed citations
3.
Ziccardi, Robert J.. (1985). Demonstration of the interaction of native C1 with monomeric immunoglobulins and C1 inhibitor.. The Journal of Immunology. 134(4). 2559–2563. 26 indexed citations
4.
Ziccardi, Robert J., Björn Dahlbäck, & Hans J. Müller‐Eberhard. (1984). Characterization of the interaction of human C4b-binding protein with physiological ligands.. Journal of Biological Chemistry. 259(22). 13674–13679. 64 indexed citations
5.
Tenner, Andrea J., Robert J. Ziccardi, & Neil R. Cooper. (1984). Antibody-independent C1 activation by E. coli.. The Journal of Immunology. 133(2). 886–891. 53 indexed citations
6.
Ziccardi, Robert J.. (1983). Nature of the metal ion requirement for assembly and function of the first component of human complement.. Journal of Biological Chemistry. 258(10). 6187–6192. 15 indexed citations
7.
Ziccardi, Robert J. & Jürg Tschopp. (1982). The dissociation properties of native C1. Biochemical and Biophysical Research Communications. 107(2). 618–623. 34 indexed citations
8.
Curd, John G., et al.. (1981). Purification and characterization of two functionally distinct forms of C1 inhibitor from a patient with angioedema.. PubMed. 45(2). 261–70. 10 indexed citations
9.
Ziccardi, Robert J.. (1981). Activation of the early components of the classical complement pathway under physiologic conditions.. The Journal of Immunology. 126(5). 1769–1773. 103 indexed citations
10.
Ziccardi, Robert J. & Neil R. Cooper. (1980). Development of an immunochemical test to assess C inactivator function in human serum and its use for the diagnosis of hereditary angioedema. Clinical Immunology and Immunopathology. 15(3). 465–471. 39 indexed citations
11.
Cooper, Neil R. & Robert J. Ziccardi. (1979). Amyloid P-component(C1t) and complement: Lack of physical or functional relationship. Molecular Immunology. 16(10). 821–827. 14 indexed citations
12.
Ziccardi, Robert J. & Neil R. Cooper. (1978). Modulation of the Antigenicity of C1r and C1s by C1 Inactivator. The Journal of Immunology. 121(6). 2148–2152. 28 indexed citations
13.
Ziccardi, Robert J. & N R Cooper. (1978). Direct Demonstration and Quantitation of Native and Activated C1 in Human Serum. The Journal of Immunology. 120(5). 1803–1803. 4 indexed citations
14.
Cooper, Neil R. & Robert J. Ziccardi. (1977). Reconstitution of C1 in native proenzyme form and its use in a quantitative C1 activation test.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 119(5). 1664–7. 30 indexed citations
15.
Ziccardi, Robert J. & Neil R. Cooper. (1977). The Subunit Composition and Sedimentation Properties of Human C1. The Journal of Immunology. 118(6). 2047–2052. 80 indexed citations
16.
Cooper, Neil R. & Robert J. Ziccardi. (1977). Reconstitution of C1 in Native, Proenzyme from and Its Use in a Quantitative C1 Activation Test. The Journal of Immunology. 119(5). 1664–1667. 25 indexed citations
17.
Ziccardi, Robert J. & Neil R. Cooper. (1976). Activation of the C1r Subunit of C1 by Proteolytic Cleavage. The Journal of Immunology. 116(6). 1755–1755. 1 indexed citations
18.
Ziccardi, Robert J. & Neil R. Cooper. (1976). Physicochemical and Functional Characterization of the C1r Subunit of the First Complement Component. The Journal of Immunology. 116(2). 496–503. 87 indexed citations
19.
Ziccardi, Robert J., et al.. (1973). Interaction of histone f2al and T7 deoxyribonucleic acid. Cooperativity of histone binding. Biochemistry. 12(17). 3231–3235. 23 indexed citations
20.
Ziccardi, Robert J. & Verne N. Schumaker. (1971). Charge effects in the sedimentation of polyelectrolytes. Biopolymers. 10(9). 1701–1705. 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.

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