Samuel J. Machin

14.3k total citations · 2 hit papers
205 papers, 9.5k citations indexed

About

Samuel J. Machin is a scholar working on Hematology, Immunology and Genetics. According to data from OpenAlex, Samuel J. Machin has authored 205 papers receiving a total of 9.5k indexed citations (citations by other indexed papers that have themselves been cited), including 116 papers in Hematology, 60 papers in Immunology and 36 papers in Genetics. Recurrent topics in Samuel J. Machin's work include Platelet Disorders and Treatments (69 papers), Complement system in diseases (49 papers) and Blood Coagulation and Thrombosis Mechanisms (34 papers). Samuel J. Machin is often cited by papers focused on Platelet Disorders and Treatments (69 papers), Complement system in diseases (49 papers) and Blood Coagulation and Thrombosis Mechanisms (34 papers). Samuel J. Machin collaborates with scholars based in United Kingdom, United States and Italy. Samuel J. Machin's co-authors include Ian Mackie, Marie Scully, Hannah Cohen, Beverley J. Hunt, Paul Harrison, Carol Briggs, Ri Liesner, Sylvia Benjamin, David Isenberg and Peter Rose and has published in prestigious journals such as The Lancet, Blood and CHEST Journal.

In The Last Decade

Samuel J. Machin

201 papers receiving 9.1k citations

Hit Papers

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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.

Guidelines on the diagnosis and management of thrombotic thrombocytopenic purpura and other thrombotic microangiopathies

2012 553 citations Marie Scully, Beverley J. Hunt et al. British Journal of Haematology profile →
Rivaroxaban versus warfarin to treat patients with thrombotic antiphospholipid syndrome, with or without systemic lupus erythematosus (RAPS): a randomised, controlled, open-label, phase 2/3, non-inferiority trial

2016 278 citations Hannah Cohen, Beverley J. Hunt et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Samuel J. Machin	4.4k	3.1k	1.7k	1.7k	1.6k	205	9.5k
Ian Mackie	4.4k 1.0×	1.9k 0.6×	1.1k 0.7×	1.1k 0.7×	2.2k 1.4×	227	9.7k
I. Scharrer	6.0k 1.4×	2.1k 0.7×	1.1k 0.6×	1.4k 0.9×	1.7k 1.1×	180	10.1k
Hannah Cohen	3.7k 0.9×	1.7k 0.6×	1.1k 0.6×	805 0.5×	2.7k 1.7×	195	9.4k
Ravi Sarode	2.9k 0.7×	2.7k 0.9×	1.3k 0.8×	1.3k 0.8×	246 0.2×	221	8.3k
Flora Peyvandi	10.7k 2.5×	4.3k 1.4×	2.0k 1.2×	3.7k 2.2×	316 0.2×	652	18.3k
Bernhard Lämmle	6.8k 1.6×	8.1k 2.6×	3.9k 2.3×	3.6k 2.1×	283 0.2×	288	12.6k
Joan Carles Reverter	2.1k 0.5×	835 0.3×	389 0.2×	869 0.5×	1.5k 0.9×	222	6.3k
George M. Rodgers	2.6k 0.6×	1.1k 0.4×	257 0.2×	853 0.5×	941 0.6×	187	7.2k
Lee A. Hebert	1.0k 0.2×	2.2k 0.7×	4.8k 2.8×	554 0.3×	2.6k 1.6×	147	10.9k
Paul A. Kyrle	6.2k 1.4×	1.6k 0.5×	773 0.5×	1.2k 0.7×	501 0.3×	209	11.8k

Countries citing papers authored by Samuel J. Machin

Since Specialization

Citations

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

Fields of papers citing papers by Samuel J. Machin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Samuel J. Machin

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

All Works

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20 of 20 papers shown

Kratz, Alexander, et al.. (2017). ICSH recommendations for modified and alternate methods measuring the erythrocyte sedimentation rate. International Journal of Laboratory Hematology. 39(5). 448–457. 63 indexed citations

Efthymiou, Maria, Andrew Lawrie, Ian Mackie, et al.. (2015). Thrombin generation and factor X assays for the assessment of warfarin anticoagulation in thrombotic antiphospholipid syndrome. Thrombosis Research. 135(6). 1191–1197. 33 indexed citations

Liesner, Ri, et al.. (2014). The value of the white precursor cell channel (WPC) on the Sysmex XN-1000 analyser in a specialist paediatric hospital. Journal of Clinical Pathology. 68(2). 161–165. 18 indexed citations

Briggs, Carol, et al.. (2012). Performance evaluation of the Sysmex haematology XN modular system. Journal of Clinical Pathology. 65(11). 1024–1030. 131 indexed citations

McGuckin, Siobhan, et al.. (2012). Rituximab for thrombotic thrombocytopenic purpura: benefit of early administration during acute episodes and use of prophylaxis to prevent relapse. Journal of Thrombosis and Haemostasis. 11(3). 481–490. 125 indexed citations

Hart, Daniel P., Robert F. Miller, Simon Edwards, et al.. (2011). Human immunodeficiency virus associated thrombotic thrombocytopenic purpura – favourable outcome with plasma exchange and prompt initiation of highly active antiretroviral therapy. British Journal of Haematology. 153(4). 515–519. 44 indexed citations

McDonald, Vickie, et al.. (2010). Rituximab pharmacokinetics during the management of acute idiopathic thrombotic thrombocytopenic purpura. Journal of Thrombosis and Haemostasis. 8(6). 1201–1208. 85 indexed citations

Scully, Marie, Juliette Brown, Rashmi Patel, et al.. (2009). Human leukocyte antigen association in idiopathic thrombotic thrombocytopenic purpura: evidence for an immunogenetic link. Journal of Thrombosis and Haemostasis. 8(2). 257–262. 70 indexed citations

Lawrie, Andrew, Rebecca Cardigan, L. M. Williamson, Samuel J. Machin, & Ian Mackie. (2008). The dynamics of clot formation in fresh‐frozen plasma. Vox Sanguinis. 94(4). 306–314. 27 indexed citations

10.

Scully, Marie, Hannah Cohen, Jamie Cavenagh, et al.. (2006). Remission in acute refractory and relapsing thrombotic thrombocytopenic purpura following rituximab is associated with a reduction in IgG antibodies to ADAMTS‐13. British Journal of Haematology. 136(3). 451–461. 197 indexed citations

11.

Segal, Helen, Carol Briggs, S. Kunka, et al.. (2005). Accuracy of platelet counting haematology analysers in severe thrombocytopenia and potential impact on platelet transfusion. British Journal of Haematology. 128(4). 520–525. 98 indexed citations

12.

Nash, Michael J., et al.. (2004). The anticardiolipin assay is required for sensitive screening for antiphospholipid antibodies. Journal of Thrombosis and Haemostasis. 2(7). 1077–1081. 48 indexed citations

13.

Yarranton, Helen & Samuel J. Machin. (2003). An update on the pathogenesis and management of acquired thrombotic thrombocytopenic purpura. Current Opinion in Neurology. 16(3). 367–373. 5 indexed citations

14.

Chung, Jain, Herbert Birnböck, Berthold Lausecker, et al.. (2000). Pharmacokinetics and pharmacodynamics of sibrafiban alone or in combination with ticlopidine and aspirin. British Journal of Clinical Pharmacology. 49(3). 231–239. 3 indexed citations

15.

Baglin, Trevor, Isobel D. Walker, Samuel J. Machin, et al.. (1998). Guidelines on oral anticoagulation: third edition. British Journal of Haematology. 101(2). 374–387. 248 indexed citations

16.

Hamilton-Davies, Colin, G R Barclay, William G. Murphy, Samuel J. Machin, & Andrew Webb. (1996). Passive Immunisation with IgG Endotoxin Core Antibody Hyperimmune Fresh Frozen Plasma. Vox Sanguinis. 71(3). 165–169. 6 indexed citations

17.

Harrison, Paul, Barry Wilbourn, Elisabeth M. Cramer, et al.. (1992). The influence of therapeutic blocking of Gp IIb/IIIa on platelet α‐granular fibrinogen. British Journal of Haematology. 82(4). 721–728. 18 indexed citations

18.

Roberts, Pamela, David Cummins, Susan P. Fisher‐Hoch, et al.. (1989). Plasma from patients with severe Lassa fever profoundly modulates f‐met‐leu‐phe induced superoxide generation in neutrophils. British Journal of Haematology. 73(2). 152–157. 16 indexed citations

19.

Bull, Helen A. & Samuel J. Machin. (1987). The haemostatic function of the vascular endothelial cell. Annals of Hematology. 55(2). 71–80. 5 indexed citations

20.

Bowcock, Stella, David C. Linch, Samuel J. Machin, & J W Stewart. (1987). Pyrimethamine in the myeloproliferative disorders: a forgotten treatment?. Clinical & Laboratory Haematology. 9(2). 129–136. 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.

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