P. G. Sim

1.9k total citations · 1 hit paper
40 papers, 1.6k citations indexed

About

P. G. Sim is a scholar working on Spectroscopy, Molecular Biology and Analytical Chemistry. According to data from OpenAlex, P. G. Sim has authored 40 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Spectroscopy, 9 papers in Molecular Biology and 8 papers in Analytical Chemistry. Recurrent topics in P. G. Sim's work include Analytical Chemistry and Chromatography (16 papers), Mass Spectrometry Techniques and Applications (15 papers) and Analytical chemistry methods development (6 papers). P. G. Sim is often cited by papers focused on Analytical Chemistry and Chromatography (16 papers), Mass Spectrometry Techniques and Applications (15 papers) and Analytical chemistry methods development (6 papers). P. G. Sim collaborates with scholars based in Canada and United States. P. G. Sim's co-authors include Michael A. Quilliam, A. W. McCulloch, Ekk Sinn, P. H. Odense, Michael W. Gilgan, John A. Walter, Arlan Silva Freitas, R. A. Foxall, Jeffrey L. C. Wright and A. G. McInnes and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Physical Chemistry and Inorganic Chemistry.

In The Last Decade

P. G. Sim

40 papers receiving 1.5k 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.

Pennate Diatom Nitzschia pungens as the Primary Source of Domoic Acid, a Toxin in Shellfish from Eastern Prince Edward Island, Canada

1989 529 citations Arlan Silva Freitas, R. A. Foxall et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
P. G. Sim Canada	16	994	547	447	260	238	40	1.6k
Scott M. Brittain United States	21	767 0.8×	1.5k 2.8×	409 0.9×	208 0.8×	295 1.2×	31	2.6k
R. Foster United Kingdom	18	108 0.1×	415 0.8×	205 0.5×	338 1.3×	188 0.8×	55	1.4k
Donna Van Engen United States	30	673 0.7×	1.3k 2.3×	115 0.3×	606 2.3×	108 0.5×	74	4.0k
Giorgio M. Giacometti Italy	39	262 0.3×	3.1k 5.7×	374 0.8×	128 0.5×	191 0.8×	114	4.6k
A. W. McCulloch Canada	14	937 0.9×	509 0.9×	444 1.0×	102 0.4×	234 1.0×	34	1.3k
Albert A. Tuinman United States	22	258 0.3×	417 0.8×	139 0.3×	259 1.0×	60 0.3×	65	1.9k
Günter A. Peschek Austria	31	379 0.4×	2.1k 3.8×	259 0.6×	42 0.2×	324 1.4×	108	2.7k
Hideshi Nakamura Japan	38	758 0.8×	1.7k 3.1×	166 0.4×	257 1.0×	187 0.8×	120	4.4k
R. Wever Netherlands	21	67 0.1×	547 1.0×	165 0.4×	69 0.3×	49 0.2×	42	2.0k
Xun Tuo China	18	225 0.2×	295 0.5×	118 0.3×	56 0.2×	53 0.2×	48	815

Countries citing papers authored by P. G. Sim

Since Specialization

Citations

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

Fields of papers citing papers by P. G. Sim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. G. Sim. 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 P. G. Sim. The network helps show where P. G. Sim may publish in the future.

Co-authorship network of co-authors of P. G. Sim

This figure shows the co-authorship network connecting the top 25 collaborators of P. G. Sim. A scholar is included among the top collaborators of P. G. Sim 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 P. G. Sim. P. G. Sim 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

Sim, P. G., et al.. (2007). WaND Briefing Note 28 Revised Options for UK Domestic Water Reduction - A Review. White Rose Research Online (University of Leeds, The University of Sheffield, University of York). 2 indexed citations

Thurbide, Kevin B., Clive M. Elson, & P. G. Sim. (1996). Discrimination of structural isomers of amphetamine using carbon dioxide negative‐ion chemical ionization mass spectrometry. Journal of Spectroscopy. 13(2). 151–161. 3 indexed citations

Sim, P. G., et al.. (1994). Capillary column supercritical fluid chromatography/mass spectrometry of polycyclic aromatic compounds using atmospheric pressure chemical ionization. Rapid Communications in Mass Spectrometry. 8(1). 105–110. 17 indexed citations

Quilliam, Michael A., W. R. Hardstaff, Joseph F. Anacleto, et al.. (1994). Preparation and certification of solutions of perdeuterated polycyclic aromatic compounds intended for use as surrogate internal standards. Analytical and Bioanalytical Chemistry. 350(3). 109–118. 21 indexed citations

Anacleto, Joseph F., Hélène Perreault, Robert K. Boyd, et al.. (1992). C ₆₀ and C ₇₀ fullerene isomers generated in flames. Detection and verification by liquid chromatography/mass spectrometry analyses. Rapid Communications in Mass Spectrometry. 6(3). 214–220. 44 indexed citations

Perreault, Hélène, Louis Ramaley, P. G. Sim, F. Benoit, & Stephen A. Wise. (1991). Use of a moving‐belt interface for on‐line high‐performance liquid chromatography/mass spectrometry characterization of polycyclic aromatic compounds of molecular weight up to 580 Da in environmental samples. Rapid Communications in Mass Spectrometry. 5(12). 604–610. 8 indexed citations

Perreault, Hélène, Louis Ramaley, F. Benoit, P. G. Sim, & Robert K. Boyd. (1991). Fragmentation reactions of doubly charged ions of nitrogenous heterocyclic aromatic compounds. The Journal of Physical Chemistry. 95(13). 4989–4998. 14 indexed citations

Anacleto, Joseph F., Louis Ramaley, Robert K. Boyd, et al.. (1991). Analysis of polycyclic aromatic compounds by supercritical fluid charomatography/mass spectrometry using atmospheric‐pressure chemical ionization. Rapid Communications in Mass Spectrometry. 5(4). 149–155. 38 indexed citations

Lawrence, James F., et al.. (1989). Liquid chromatographic determination of domoic acid in shellfish products using the paralytic shellfish poison extraction procedure of the association of official analytical chemists. Journal of Chromatography A. 462. 349–356. 40 indexed citations

10.

Sim, P. G., W. D. Jamieson, & Robert K. Boyd. (1989). Collision‐induced fragmentation reactions of doubly charged ions of polycyclic aromatic hydrocarbons. Organic Mass Spectrometry. 24(5). 327–337. 16 indexed citations

11.

Wright, Jeffrey L. C., R. K. Boyd, Arlan Silva Freitas, et al.. (1989). Identification of domoic acid, a neuroexcitatory amino acid, in toxic mussels from eastern Prince Edward Island. Canadian Journal of Chemistry. 67(3). 481–490. 335 indexed citations

12.

Quilliam, Michael A., P. G. Sim, A. W. McCulloch, & A. G. McInnes. (1989). High-Performance Liquid Chromatography of Domoic Acid, a Marine Neurotoxin, with Application to Shellfish and Plankton. International Journal of Environmental & Analytical Chemistry. 36(3). 139–154. 115 indexed citations

13.

Sim, P. G., Clive M. Elson, & Michael A. Quilliam. (1988). Use of the photoionisation detector in packed-column supercritical fluid chromatography. Journal of Chromatography A. 445. 239–243. 13 indexed citations

14.

Sim, P. G., Clive M. Elson, & Alex G. Harrison. (1988). Ion chemistry of polycyclic aromatic hydrocarbons under negative chemical ionization with carbon dioxide. Rapid Communications in Mass Spectrometry. 2(7). 137–138. 6 indexed citations

15.

Sim, P. G., W. D. Jamieson, Robert K. Boyd, & R. Graham Cooks. (1987). Selective detection of aromatic hydrocarbons involving half‐massess. Rapid Communications in Mass Spectrometry. 1(2). 28–29. 9 indexed citations

16.

Sim, P. G., Robert K. Boyd, Robert M. Gershey, et al.. (1987). A comparison of chromatographic and chromatographic/mass spectrometric techniques for the determination of polycyclic aromatic hydrocarbons in marine sediments. Journal of Mass Spectrometry. 14(8). 375–381. 19 indexed citations

17.

Sim, P. G. & E. Whalley. (1987). Mechanism of the reduction of potassium ferricyanide by shearing. The Journal of Physical Chemistry. 91(7). 1877–1878. 15 indexed citations

18.

Sim, P. G., D. D. Klug, Shun-ichi Ikawa, & E. Whalley. (1984). EFFECT OF PRESSURE ON THE STRUCTURE OF MOLECULES. Le Journal de Physique Colloques. 45(C8). C8–173. 1 indexed citations

19.

Klug, D. D., P. G. Sim, & R. J. C. Brown. (1982). Raman spectrum of NH₄ReO₄ at high pressure. Journal of Raman Spectroscopy. 13(1). 53–55. 1 indexed citations

20.

Sim, P. G.. (1974). Spectrographic Analysis of Fire Assay Beads for the Platinum Group Metals and Gold. Applied Spectroscopy. 28(1). 23–25. 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.

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