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

align trajectories sort by overperformance

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 →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Samuel J. Machin United Kingdom	53	4.4k	3.1k	1.7k	1.7k	1.6k	205	9.5k
Ian Mackie United Kingdom	52	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 Germany	42	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 United Kingdom	48	3.7k 0.9×	1.7k 0.6×	1.1k 0.6×	805 0.5×	2.7k 1.7×	195	9.4k
Ravi Sarode United States	43	2.9k 0.7×	2.7k 0.9×	1.3k 0.8×	1.3k 0.8×	246 0.2×	221	8.3k
Flora Peyvandi Italy	65	10.7k 2.5×	4.3k 1.4×	2.0k 1.2×	3.7k 2.2×	316 0.2×	652	18.3k
Bernhard Lämmle Switzerland	56	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 Spain	42	2.1k 0.5×	835 0.3×	389 0.2×	869 0.5×	1.5k 0.9×	222	6.3k
George M. Rodgers United States	38	2.6k 0.6×	1.1k 0.4×	257 0.2×	853 0.5×	941 0.6×	187	7.2k
Lee A. Hebert United States	49	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 Austria	52	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

Sort: Min cites: Since: Top N: Style:

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

Underwood, Mary, Flora Peyvandi, Isabella Garagiola, Samuel J. Machin, & Ian Mackie. (2016). Degradation of two novel congenital TTP ADAMTS13 mutants by the cell proteasome prevents ADAMTS13 secretion. Thrombosis Research. 147. 16–23. 5 indexed citations

Westwood, John‐Paul, Alexander Mackay, Gavin C. Donaldson, et al.. (2016). The role of complement activation in COPD exacerbation recovery. ERJ Open Research. 2(4). 27–2016. 12 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

McDonald, Vickie, Michael Laffan, Sylvia Benjamin, et al.. (2008). Thrombotic thrombocytopenic purpura precipitated by acute pancreatitis: a report of seven cases from a regional UK TTP registry. British Journal of Haematology. 144(3). 430–433. 34 indexed citations

Gardiner, Chris, et al.. (2005). A randomised control trial of patient self‐management of oral anticoagulation compared with patient self‐testing. British Journal of Haematology. 132(5). 598–603. 40 indexed citations

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

McCabe, Dominick J. H., Paul Harrison, Ian Mackie, et al.. (2004). Platelet degranulation and monocyte–platelet complex formation are increased in the acute and convalescent phases after ischaemic stroke or transient ischaemic attack. British Journal of Haematology. 125(6). 777–787. 101 indexed citations

10.

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

11.

Allford, Sarah, Beverley J. Hunt, Peter Rose, & Samuel J. Machin. (2003). Guidelines on the diagnosis and management of the thrombotic microangiopathic haemolytic anaemias. British Journal of Haematology. 120(4). 556–573. 253 indexed citations

12.

Wilbourn, Barry, Paul Harrison, Ian Mackie, Ri Liesner, & Samuel J. Machin. (2003). Activation of platelets in whole blood by recombinant factor VIIa by a thrombin‐dependent mechanism. British Journal of Haematology. 122(4). 651–661. 9 indexed citations

13.

Robinson, M. S. C., Ian Mackie, Samuel J. Machin, & Paul Harrison. (2000). Two colour analysis of reticulated platelets. Clinical & Laboratory Haematology. 22(4). 211–213. 22 indexed citations

14.

Watts, Michael, et al.. (1999). Use of the haemopoietic progenitor cell count of the Sysmex SE‐9500 to refine apheresis timing of peripheral blood stem cells. British Journal of Haematology. 106(2). 538–544. 44 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.

Joseph, Joanne & Samuel J. Machin. (1997). New antiplatelet drugs. Blood Reviews. 11(4). 178–190. 25 indexed citations

17.

Giles, Francis J., M Brozović, Irene R. Grant, et al.. (1988). ALPHA-INTERFERON THERAPY FOR ESSENTIAL THROMBOCYTHAEMIA. The Lancet. 332(8602). 70–72. 74 indexed citations

18.

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

19.

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

20.

Machin, Samuel J., C. W. Potter, & John Oxford. (1970). Changes in the antibody status of a population following epidemic infection by influenza virus A2/Hong Kong/1/68. Journal of Hygiene. 68(3). 497–504. 4 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