Kalevi Pihlaja

17.1k total citations · 3 hit papers
421 papers, 14.0k citations indexed

About

Kalevi Pihlaja is a scholar working on Organic Chemistry, Molecular Biology and Spectroscopy. According to data from OpenAlex, Kalevi Pihlaja has authored 421 papers receiving a total of 14.0k indexed citations (citations by other indexed papers that have themselves been cited), including 254 papers in Organic Chemistry, 112 papers in Molecular Biology and 76 papers in Spectroscopy. Recurrent topics in Kalevi Pihlaja's work include Synthesis and Biological Evaluation (56 papers), Chemical Reaction Mechanisms (53 papers) and Analytical Chemistry and Chromatography (42 papers). Kalevi Pihlaja is often cited by papers focused on Synthesis and Biological Evaluation (56 papers), Chemical Reaction Mechanisms (53 papers) and Analytical Chemistry and Chromatography (42 papers). Kalevi Pihlaja collaborates with scholars based in Finland, Hungary and Germany. Kalevi Pihlaja's co-authors include Juhani Peuravuori, Heikki Vuorela, Jussi‐Pekka Rauha, Marina Heinonen, Anu Hopia, Jyrki Loponen, Vladimir Ossipov, Erkki Haukioja, Karel D. Klika and Juha‐Pekka Salminen and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and Environmental Science & Technology.

In The Last Decade

Kalevi Pihlaja

407 papers receiving 12.8k 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.

Antioxidant Activity of Plant Extracts Containing Phenolic Compounds

1999 3.2k citations Anu Hopia, Heikki Vuorela et al. Journal of Agricultural and Food Chemistry profile →
Antimicrobial effects of Finnish plant extracts containing flavonoids and other phenolic compounds

2000 919 citations Jussi‐Pekka Rauha, Marina Heinonen et al. International Journal of Food Microbiology profile →
Molecular size distribution and spectroscopic properties of aquatic humic substances

1997 863 citations Juhani Peuravuori, Kalevi Pihlaja Analytica Chimica Acta profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kalevi Pihlaja Finland	51	3.7k	3.4k	3.1k	3.0k	2.8k	421	14.0k
Artur M. S. Silva Portugal	67	4.9k 1.3×	3.1k 0.9×	7.4k 2.4×	5.6k 1.9×	3.5k 1.3×	912	23.6k
Victor Wray Germany	69	4.2k 1.1×	1.2k 0.4×	3.5k 1.1×	8.0k 2.7×	1.6k 0.6×	568	18.4k
Kevin Robards Australia	52	3.4k 0.9×	4.0k 1.2×	3.0k 1.0×	1.8k 0.6×	4.1k 1.4×	118	11.4k
William B. Jakoby United States	49	4.5k 1.2×	903 0.3×	1.3k 0.4×	12.5k 4.2×	751 0.3×	149	27.3k
Teris A. van Beek Netherlands	57	5.1k 1.4×	3.1k 0.9×	1.5k 0.5×	4.2k 1.4×	2.9k 1.0×	228	14.1k
Robert W. Owen Germany	42	1.7k 0.4×	2.1k 0.6×	1.6k 0.5×	1.7k 0.6×	1.5k 0.6×	194	8.1k
Young Hae Choi Netherlands	69	5.7k 1.6×	1.8k 0.5×	1.5k 0.5×	6.9k 2.3×	2.7k 1.0×	292	19.0k
John L. Harwood United Kingdom	58	3.4k 0.9×	672 0.2×	1.4k 0.4×	6.9k 2.3×	1.1k 0.4×	395	14.7k
George Britton United Kingdom	43	1.3k 0.4×	4.1k 1.2×	927 0.3×	3.7k 1.2×	475 0.2×	161	8.0k
Jeffrey B. Harborne United Kingdom	76	18.6k 5.1×	6.1k 1.8×	2.5k 0.8×	13.3k 4.5×	6.0k 2.1×	539	34.8k

Countries citing papers authored by Kalevi Pihlaja

Since Specialization

Citations

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

Fields of papers citing papers by Kalevi Pihlaja

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kalevi Pihlaja

This figure shows the co-authorship network connecting the top 25 collaborators of Kalevi Pihlaja. A scholar is included among the top collaborators of Kalevi Pihlaja 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 Kalevi Pihlaja. Kalevi Pihlaja 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

Pihlaja, Kalevi, Henri Kivelä, Pirjo Vainiotalo, & W.V. Steele. (2020). Enthalpies of Combustion and Formation of Severely Crowded Methyl-Substituted 1,3-dioxanes. The Magnitudes of 2,4- and 4,6-diaxial Me,Me-Interactions and the Chair–2,5-twist Energy Difference. Molecules. 25(12). 2762–2762. 4 indexed citations

Kaczor, Agnieszka A., Kalevi Pihlaja, Jari Sinkkonen, et al.. (2014). Synthesis and molecular docking of indole and carbazole derivatives with potential pharmacological activity. Heterocyclic Communications. 20(2). 103–109. 2 indexed citations

Eeva, Tapio, et al.. (2008). Environmental Pollution Affects the Plumage Color of Great Tit Nestlings through Carotenoid Availability. EcoHealth. 5(3). 328–337. 51 indexed citations

Koivikko, Riitta, Jyrki Loponen, Kalevi Pihlaja, & Veijo Jormalainen. (2007). High‐performance liquid chromatographic analysis of phlorotannins from the brown alga Fucus Vesiculosus. Phytochemical Analysis. 18(4). 326–332. 129 indexed citations

Peuravuori, Juhani, et al.. (2004). Degradative analysis of aquatic fulvic acid: CuO oxidation versus pyrolysis after tetramethylammonium hydroxide treatments in air and helium atmospheres. Analytica Chimica Acta. 511(2). 349–356. 17 indexed citations

Kristián, Pavol, Eva Balentová, Ján Imrich, et al.. (2004). Fluorescence and Structure of Methylated Acridin-9-ylthioureas. 1 indexed citations

Peuravuori, Juhani & Kalevi Pihlaja. (2004). Preliminary Study of Lake Dissolved Organic Matter in Light of Nanoscale Supramolecular Assembly. Environmental Science & Technology. 38(22). 5958–5967. 81 indexed citations

Karonen, Maarit, Mari Hämäläinen, Riina Nieminen, et al.. (2004). Phenolic Extractives from the Bark of Pinus sylvestris L. and Their Effects on Inflammatory Mediators Nitric Oxide and Prostaglandin E₂. Journal of Agricultural and Food Chemistry. 52(25). 7532–7540. 94 indexed citations

Peuravuori, Juhani, et al.. (2003). Comparative study for separation of aquatic humic substances by capillary zone electrophoresis using uncoated, polymer coated and gel-filled capillaries. Journal of Chromatography A. 1023(1). 129–142. 16 indexed citations

10.

Peuravuori, Juhani, et al.. (2002). Sediment–dissolved organic matter equilibrium partitioning of pentachlorophenol. Environment International. 28(3). 173–183. 26 indexed citations

11.

Rauha, Jussi‐Pekka, Jean‐Luc Wolfender, Juha‐Pekka Salminen, et al.. (2001). Characterization of the Polyphenolic Composition of Purple Loosestrife (Lythrum salicaria). Zeitschrift für Naturforschung C. 56(1-2). 13–20. 56 indexed citations

12.

Ovcharenko, Vladimir V., et al.. (2001). Evidence for an aryl migration during the electron impact induced fragmentation of substituted aryloxymethylquinoxalines. Rapid Communications in Mass Spectrometry. 16(3). 169–175. 4 indexed citations

13.

Rauha, Jussi‐Pekka, Marina Heinonen, Anu Hopia, et al.. (2000). Antimicrobial effects of Finnish plant extracts containing flavonoids and other phenolic compounds. International Journal of Food Microbiology. 56(1). 3–12. 919 indexed citations breakdown →

14.

Pihlaja, Kalevi, et al.. (1998). Configuration and Conformation Study of S-Allyl O-Methyl N-(2- and 4-Substituted Acridin-9-yl)thiocarbonimidates in Relation to Their [3,3] Sigmatropic Rearrangement. Collection of Czechoslovak Chemical Communications. 63(3). 387–393. 2 indexed citations

15.

Szafranek, Janusz, et al.. (1994). Identification of branched alkanes in lipids ofLeptinotarsa decemlineata say andTribolium destructor by GC-MS: A comparison of main-beam and link-scanned spectra. Journal of Chemical Ecology. 20(9). 2197–2212. 10 indexed citations

16.

Pihlaja, Kalevi, et al.. (1991). Water-Soluble Lipids inCarexandSphagnumPeats. International Journal of Environmental & Analytical Chemistry. 43(4). 235–244. 2 indexed citations

17.

Vainiotalo, Pirjo, Ferenc Fülöp, & Kalevi Pihlaja. (1991). Gas‐Phase ring‐chain tautomerism in 1,3‐oxazines. Does it exist?. Organic Mass Spectrometry. 26(5). 438–442. 15 indexed citations

18.

Maliński, Edmund, et al.. (1989). The compositoin of cuticular hydrocarbons of the cereal aphids Sitobion avenae F. (Homoptera, Aphididae). Comparative Biochemistry and Physiology Part B Comparative Biochemistry. 94(4). 723–727. 6 indexed citations

19.

Mattinen, Jorma, et al.. (1988). Direct NMR spectroscopic proof for the ring-chain tautomerism in the thiazolidine system. Tetrahedron Letters. 29(42). 5427–5428. 7 indexed citations

20.

Pihlaja, Kalevi, et al.. (1968). Heats of Combustion: Diethyl Ether and 1,1-Diethoxyethane.. 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. 22. 2731–2732. 13 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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