Tomas Nyhammar

813 total citations
13 papers, 517 citations indexed

About

Tomas Nyhammar is a scholar working on Molecular Biology, Organic Chemistry and Ecology. According to data from OpenAlex, Tomas Nyhammar has authored 13 papers receiving a total of 517 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Molecular Biology, 5 papers in Organic Chemistry and 3 papers in Ecology. Recurrent topics in Tomas Nyhammar's work include Synthesis and Biological Evaluation (4 papers), Bacteriophages and microbial interactions (3 papers) and Carcinogens and Genotoxicity Assessment (2 papers). Tomas Nyhammar is often cited by papers focused on Synthesis and Biological Evaluation (4 papers), Bacteriophages and microbial interactions (3 papers) and Carcinogens and Genotoxicity Assessment (2 papers). Tomas Nyhammar collaborates with scholars based in Sweden and Spain. Tomas Nyhammar's co-authors include Raf Lemmens, J. Stadler, Spiros Grivas, Kjell Olsson, Margaretha Jägerstad, Per‐Erik Gustavsson, Roger Olsson, Arne Dahlqvist, Anita Laser Reuterswärd and Per‐Olof Larsson and has published in prestigious journals such as Food Chemistry, Journal of Chromatography A and Journal of Chromatography B.

In The Last Decade

Tomas Nyhammar

13 papers receiving 475 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Tomas Nyhammar Sweden	10	293	134	96	70	68	13	517
E.M. Tarmy United Kingdom	9	433 1.5×	137 1.0×	44 0.5×	18 0.3×	93 1.4×	9	617
Arjun Raj India	11	205 0.7×	116 0.9×	28 0.3×	36 0.5×	44 0.6×	21	358
Johannes Gerding Netherlands	10	292 1.0×	110 0.8×	21 0.2×	63 0.9×	14 0.2×	24	625
Masao Nomoto Japan	13	292 1.0×	35 0.3×	33 0.3×	40 0.6×	21 0.3×	26	557
Mee‐Kyung Cha South Korea	17	894 3.1×	39 0.3×	24 0.3×	21 0.3×	27 0.4×	32	1.1k
Amir M.H. Salem Japan	10	451 1.5×	77 0.6×	18 0.2×	34 0.5×	8 0.1×	14	602
R.P. Mottershead United Kingdom	11	483 1.6×	264 2.0×	18 0.2×	43 0.6×	22 0.3×	14	632
Bernard Heinemann United States	11	232 0.8×	65 0.5×	22 0.2×	28 0.4×	23 0.3×	25	445
Howard V. Hershey United States	10	466 1.6×	34 0.3×	29 0.3×	28 0.4×	18 0.3×	14	569
Ke Bian China	17	450 1.5×	92 0.7×	27 0.3×	169 2.4×	29 0.4×	36	1.0k

Countries citing papers authored by Tomas Nyhammar

Since Specialization

Citations

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

Fields of papers citing papers by Tomas Nyhammar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tomas Nyhammar. 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 Tomas Nyhammar. The network helps show where Tomas Nyhammar may publish in the future.

Co-authorship network of co-authors of Tomas Nyhammar

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

All Works

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13 of 13 papers shown

Lemmens, Raf, et al.. (2004). Integrated process for purification of plasmid DNA using aqueous two-phase systems combined with membrane filtration and lid bead chromatography. Journal of Chromatography A. 1057(1-2). 115–124. 34 indexed citations

Gustavsson, Per‐Erik, et al.. (2004). Purification of plasmid DNA with a new type of anion-exchange beads having a non-charged surface. Journal of Chromatography A. 1038(1-2). 131–140. 41 indexed citations

Stadler, J., Raf Lemmens, & Tomas Nyhammar. (2004). Plasmid DNA purification. The Journal of Gene Medicine. 6(S1). S54–S66. 144 indexed citations

Lemmens, Raf, et al.. (2003). Supercoiled plasmid DNA: selective purification by thiophilic/aromatic adsorption. Journal of Chromatography B. 784(2). 291–300. 68 indexed citations

Nyhammar, Tomas, et al.. (1988). Effects of toxic metabolites produced by Phoma lingam (Tode ex Fr.) desm. on protoplasts, cells and plants of hosts and non-hosts of the pathogen. Physiological and Molecular Plant Pathology. 32(2). 301–312. 15 indexed citations

Nyhammar, Tomas, Spiros Grivas, Yngve Stenstrøm, T. Anthonsen, & Raikko Kivekäs. (1986). Synthesis of the Potent Mutagen 3,5,8-Trimethyl-3H-Imidazo[4,5-f]quinoxalin-2-amine.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 40b(7). 583–587. 9 indexed citations

Nyhammar, Tomas, Spiros Grivas, Kjell Olsson, & Margaretha Jägerstad. (1986). Formation of 4,8-DiMeIQx from the model system fructose, alanine and creatinine Comparison with the isomeric 5,8-DiMeIQx. Mutation Research Letters. 174(1). 5–9. 9 indexed citations

Grivas, Spiros, Tomas Nyhammar, Kjell Olsson, & Margaretha Jägerstad. (1986). Isolation and identification of the food mutagens IQ and MeIQx from a heated model system of creatinine, glycine and fructose. Food Chemistry. 20(2). 127–136. 27 indexed citations

Grivas, Spiros, Tomas Nyhammar, Kjell Olsson, & Margaretha Jägerstad. (1985). Formation of a new mutagenic DiMeIQx compound in a model system by heating creatinine, alanine and fructose. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 151(2). 177–183. 41 indexed citations

10.

Nyhammar, Tomas & Per-Åke Pernemalm. (1985). Reaction of Nα-acetyl-dl-tryptophan amide with d-xylose or d-glucose in acidic solution. Food Chemistry. 17(4). 289–296. 9 indexed citations

11.

Grivas, Spiros & Tomas Nyhammar. (1985). Analysis of mutagenic imidazo[4,5-f]quinolines and -quinoxalines (IQ compounds). Mutation Research Letters. 142(1-2). 5–8. 20 indexed citations

12.

Nyhammar, Tomas, Kjell Olsson, Per-Åke Pernemalm, & Jon Songstad. (1983). On the Formation of 2-Acylpyrroles and 3-Pyridinols in the Maillard Reaction through Strecker Degradation.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 37b. 879–889. 11 indexed citations

13.

Jägerstad, Margaretha, Anita Laser Reuterswärd, Roger Olsson, et al.. (1983). Creatin(in)e and Maillard reaction products as precursors of mutagenic compounds: Effects of various amino acids. Food Chemistry. 12(4). 255–264. 89 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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