Alistair M. Stephen

3.5k total citations · 1 hit paper
95 papers, 2.0k citations indexed

About

Alistair M. Stephen is a scholar working on Plant Science, Food Science and Organic Chemistry. According to data from OpenAlex, Alistair M. Stephen has authored 95 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Plant Science, 37 papers in Food Science and 34 papers in Organic Chemistry. Recurrent topics in Alistair M. Stephen's work include Polysaccharides and Plant Cell Walls (36 papers), Polysaccharides Composition and Applications (34 papers) and Carbohydrate Chemistry and Synthesis (23 papers). Alistair M. Stephen is often cited by papers focused on Polysaccharides and Plant Cell Walls (36 papers), Polysaccharides Composition and Applications (34 papers) and Carbohydrate Chemistry and Synthesis (23 papers). Alistair M. Stephen collaborates with scholars based in South Africa, Canada and United Kingdom. Alistair M. Stephen's co-authors include Glyn O. Phillips, Shirley C. Churms, Edwin H. Merrifield, Guy G.S. Dutton, Elner B. Rathbone, K.G.R. Pachler, Y.M. Choy, J.R. Nunn, Wilfred T. Mabusela and Gwendolyn M. Bebault and has published in prestigious journals such as Journal of Bacteriology, Polymer and Journal of Chromatography A.

In The Last Decade

Alistair M. Stephen

94 papers receiving 1.9k citations

Hit Papers

align trajectories

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.

Food Polysaccharides and Their Applications

2010 777 citations Alistair M. Stephen et al. profile →

Peers

Alistair M. Stephen

FS

PS

OC

MB

ND

Paul A. Sandford United States

J.M. deMan Canada

Peter Sporns Canada

Tokuya Harada Japan

Norman W.H. Cheetham Australia

Martin Palmer Australia

Andrew R. Kirby United Kingdom

Gerhard A. De Ruiter Netherlands

V. B. Tolstoguzov Russia

Petra Mischnick Germany

Paul A. Sandford United States

Alistair M. Stephen

828 ×0.9

FS

951 ×1.1

PS

290 ×0.7

OC

442 ×1.1

MB

295 ×0.9

ND

Citations per year, relative to Alistair M. Stephen Alistair M. Stephen (= 1×) peers Paul A. Sandford

Countries citing papers authored by Alistair M. Stephen

Since Specialization

Citations

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

Fields of papers citing papers by Alistair M. Stephen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alistair M. Stephen. 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 Alistair M. Stephen. The network helps show where Alistair M. Stephen may publish in the future.

Co-authorship network of co-authors of Alistair M. Stephen

This figure shows the co-authorship network connecting the top 25 collaborators of Alistair M. Stephen. A scholar is included among the top collaborators of Alistair M. Stephen 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 Alistair M. Stephen. Alistair M. Stephen 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

1.

Stephen, Alistair M., et al.. (2025). Determinants of Adherence to Antiretroviral Therapy among HIV Patients in a Tertiary Healthcare Facility in Southeastern Nigeria. International Journal of TROPICAL DISEASE & Health. 46(4). 28–44.

2.

Stephen, Alistair M., et al.. (2005). Structural correlations among aromatic azine derivatives. ARKIVOC. 2005(13). 109–130. 4 indexed citations

3.

Stephen, Alistair M., et al.. (1993). Molecular structures of gum exudates from Hakea species. Phytochemistry. 34(3). 709–713. 14 indexed citations

4.

Caira, Mino R., et al.. (1993). Geometry of the iminium moiety. IV. Structure of 4,5-dihydro-3,5,5-trimethylpyrazolium aquapentachlorostannate monohydrate. Acta Crystallographica Section C Crystal Structure Communications. 49(1). 26–30. 2 indexed citations

5.

Jackson, Graham E., et al.. (1992). Conformation of 3-O-β-d-galactopyranosyl-l-arabinose and a comparison with its α-linked isomer. Carbohydrate Research. 227. 371–374. 3 indexed citations

6.

Churms, Shirley C. & Alistair M. Stephen. (1987). Studies of the molecular core of Grevillea robusta gum. Carbohydrate Research. 167. 239–255. 7 indexed citations

7.

Ravenscroft, Neil, Alistair M. Stephen, & Edwin H. Merrifield. (1987). Bacteriophage-associated lyase activity against Klebsiella serotype K64 capsular polysaccharide. Carbohydrate Research. 167. 257–267. 8 indexed citations

8.

Churms, Shirley C., et al.. (1986). Analytical comparison of gums from Acacia hebeclada and other gummiferae species. Phytochemistry. 25(12). 2807–2809. 13 indexed citations

9.

Churms, Shirley C., Edwin H. Merrifield, Alistair M. Stephen, et al.. (1983). An l-arabinan from apple-juice concentrates. Carbohydrate Research. 113(2). 339–344. 52 indexed citations

10.

Merrifield, Edwin H. & Alistair M. Stephen. (1980). Structural investigations of two capsular polysaccharides from cryptococcus neoformans. Carbohydrate Research. 86(1). 69–76. 32 indexed citations

11.

Atkins, E. D. T., et al.. (1978). Conformation of the gummy polysaccharide from corm sacs of Watsonia pyramidata. Polymer. 19(4). 363–367. 7 indexed citations

12.

Rathbone, Elner B. & Alistair M. Stephen. (1975). The application of lanthanide shift reagents in the p.m.r. spectroscopy of permethyl ethers of D-galactose. Carbohydrate Research. 39(1). 136–140. 3 indexed citations

13.

Rathbone, Elner B., Alistair M. Stephen, & K.G.R. Pachler. (1971). P.M.R. spectroscopy of monomethyl ethers of D-galactopyranose and its derivatives. Carbohydrate Research. 20(2). 357–367. 19 indexed citations

14.

Rathbone, Elner B. & Alistair M. Stephen. (1970). Characterisation of methyl derivatives of D-galactose by nmr spectroscopy. Tetrahedron Letters. 11(16). 1339–1342. 15 indexed citations

15.

Stephen, Alistair M., et al.. (1970). Substituted glycosylamines containing the indole nucleus. Tetrahedron. 26(16). 4019–4029. 9 indexed citations

16.

Stephen, Alistair M., et al.. (1966). Application of gas-liquid chromatography to the structural investigation of polysaccharides—I. Tetrahedron. 22. 233–240. 21 indexed citations

17.

Smith, F. & Alistair M. Stephen. (1960). Diborane reduction of carboxyl groups in carbohydrates. Tetrahedron Letters. 1(28). 17–23. 10 indexed citations

18.

Nunn, J.R., et al.. (1957). 34. Red-seaweed polysaccharides. Part I. Gracilaria confervoides. Journal of the Chemical Society (Resumed). 197–197. 15 indexed citations

19.

Stephen, Alistair M.. (1956). 863. The composition of Hakea acicularis gum. Journal of the Chemical Society (Resumed). 4487–4487. 4 indexed citations

20.

Pugh, W., et al.. (1954). Some salts of secondary amines and of their condensation products with carbonyl compounds. Journal of the Chemical Society (Resumed). 4418–4418. 8 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