Philippe Christen

4.9k total citations · 1 hit paper
149 papers, 3.6k citations indexed

About

Philippe Christen is a scholar working on Molecular Biology, Spectroscopy and Plant Science. According to data from OpenAlex, Philippe Christen has authored 149 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Molecular Biology, 43 papers in Spectroscopy and 31 papers in Plant Science. Recurrent topics in Philippe Christen's work include Analytical Chemistry and Chromatography (39 papers), Traditional and Medicinal Uses of Annonaceae (19 papers) and Microfluidic and Capillary Electrophoresis Applications (19 papers). Philippe Christen is often cited by papers focused on Analytical Chemistry and Chromatography (39 papers), Traditional and Medicinal Uses of Annonaceae (19 papers) and Microfluidic and Capillary Electrophoresis Applications (19 papers). Philippe Christen collaborates with scholars based in Switzerland, Chile and France. Philippe Christen's co-authors include Béatrice Kaufmann, Jean‐Luc Veuthey, Samir Cherkaoui, I. Kapétanidis, Stefan Bieri, Sylvian Cretton, Muriel Cuendet, Orlando Muñoz, W. Hærdi and Laurence Marcourt and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Analytical Chemistry and Chemical Communications.

In The Last Decade

Philippe Christen

147 papers receiving 3.4k citations

Hit Papers

Recent extraction techniques for natural products: microw... 2002 2026 2010 2018 2002 100 200 300 400 500
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.

  1. Recent extraction techniques for natural products: microwave‐assisted extraction and pressurised solvent extraction
    2002 552 citations Béatrice Kaufmann, Philippe Christen Phytochemical Analysis profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Philippe Christen Switzerland 33 1.3k 864 705 692 528 149 3.6k
David C. Lankin United States 36 2.2k 1.7× 660 0.8× 842 1.2× 399 0.6× 1.1k 2.1× 129 5.1k
Monika Waksmundzka‐Hajnos Poland 27 769 0.6× 761 0.9× 764 1.1× 670 1.0× 252 0.5× 167 2.7k
Yufeng Zhang China 33 1.4k 1.1× 684 0.8× 324 0.5× 472 0.7× 342 0.6× 167 3.7k
Yuelin Song China 34 2.0k 1.5× 762 0.9× 619 0.9× 316 0.5× 419 0.8× 201 3.5k
J. Brent Friesen United States 28 1.5k 1.1× 676 0.8× 498 0.7× 267 0.4× 363 0.7× 65 3.7k
Christoph Seger Austria 30 1.2k 0.9× 483 0.6× 451 0.6× 302 0.4× 368 0.7× 115 3.1k
Jiannong Ye China 38 1.3k 1.0× 539 0.6× 751 1.1× 463 0.7× 169 0.3× 135 4.7k
Elfrides Eva Scherman Schapoval Brazil 35 826 0.6× 1.3k 1.5× 391 0.6× 1.1k 1.6× 238 0.5× 153 3.8k
Emerson Ferreira Queiroz Switzerland 34 1.4k 1.1× 1.0k 1.2× 275 0.4× 485 0.7× 529 1.0× 161 3.5k
Vanni Cavrini Italy 36 995 0.8× 438 0.5× 1.2k 1.6× 526 0.8× 670 1.3× 157 4.2k

Countries citing papers authored by Philippe Christen

Since Specialization
Citations

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

Fields of papers citing papers by Philippe Christen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Philippe Christen

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

All Works

20 of 20 papers shown
1.
Cáceres, Manuel, et al.. (2025). Ultrasound-Assisted Synthesis of Substituted Chalcone-Linked 1,2,3-Triazole Derivatives as Antiproliferative Agents: In Vitro Antitumor Activity and Molecular Docking Studies. International Journal of Molecular Sciences. 26(7). 3389–3389. 1 indexed citations
2.
Cretton, Sylvian, Luis-Manuel Quirós-Guerrero, Marcel Kaiser, et al.. (2023). Antiprotozoal activity of natural products from Nigerien plants used in folk medicine. Frontiers in Pharmacology. 14. 1190241–1190241. 2 indexed citations
3.
Christen, Philippe, et al.. (2022). Synthesis, antitumor activity, 3D-QSAR and molecular docking studies of new iodinated 4-(3H)-quinazolinones 3N-substituted. RSC Advances. 12(33). 21340–21352. 4 indexed citations
4.
Cretton, Sylvian, Grégory Genta‐Jouve, Marcel Kaiser, et al.. (2021). Hygroline derivatives from Schizanthus tricolor and their anti-trypanosomatid and antiplasmodial activities. Phytochemistry. 192. 112957–112957. 3 indexed citations
5.
Klein‐Júnior, Luiz Carlos, Sylvian Cretton, Pierre‐Marie Allard, et al.. (2017). Targeted Isolation of Monoterpene Indole Alkaloids from Palicourea sessilis. Journal of Natural Products. 80(11). 3032–3037. 31 indexed citations
6.
Cretton, Sylvian, et al.. (2017). Cancer chemopreventive activity of compounds isolated from Waltheria indica. Journal of Ethnopharmacology. 203. 214–225. 29 indexed citations
7.
Cretton, Sylvian, Florence Mehl, Yves Allenbach, et al.. (2014). Synthesis and In Vitro Evaluation of Tropane Halogenated-derivatives Against Malaria, Sleeping Sickness, Chagas Disease and Leishmaniasis. Medicinal Chemistry. 10(8). 753–758. 7 indexed citations
8.
Christen, Philippe & Muriel Cuendet. (2012). Plants as a Source of Therapeutic and Health Products. CHIMIA International Journal for Chemistry. 66(5). 320–320. 34 indexed citations
9.
Fliniaux, Ophélie, Éric Grand, Frédéric Lamblin, et al.. (2007). Microwave‐assisted extraction of the main phenolic compounds in flaxseed. Phytochemical Analysis. 18(4). 275–282. 102 indexed citations
10.
Rudaz, Serge, et al.. (2005). Extraction and analysis of different Cannabis samples by headspace solid‐phase microextraction combined with gas chromatography‐mass spectrometry. Journal of Separation Science. 28(17). 2293–2300. 36 indexed citations
11.
Lanoue, Arnaud, et al.. (2004). Comparison of growth properties, alkaloid production and water uptake of two selected Datura hairy root lines. Acta Biologica Cracoviensia s Botanica. 46. 185–192. 9 indexed citations
12.
Lanoue, Arnaud, et al.. (2004). Occurrence of circadian rhythms in hairy root cultures grown under controlled conditions. Biotechnology and Bioengineering. 88(6). 722–729. 11 indexed citations
13.
Kaufmann, Béatrice & Philippe Christen. (2002). Recent extraction techniques for natural products: microwave‐assisted extraction and pressurised solvent extraction. Phytochemical Analysis. 13(2). 105–113. 552 indexed citations breakdown →
14.
Cherkaoui, Samir, Khalid Bekkouche, Philippe Christen, & Jean‐Luc Veuthey. (2001). Non-aqueous capillary electrophoresis with diode array and electrospray mass spectrometric detection for the analysis of selected steroidal alkaloids in plant extracts. Journal of Chromatography A. 922(1-2). 321–328. 48 indexed citations
15.
Daali, Youssef, Khalid Bekkouche, Samir Cherkaoui, Philippe Christen, & Jean‐Luc Veuthey. (2000). Use of borate complexation for the separation of non-UV-absorbing calystegines by capillary electrophoresis. Journal of Chromatography A. 903(1-2). 237–244. 13 indexed citations
16.
17.
Cherkaoui, Samir, Emmanuel Varesio, Philippe Christen, & Jean‐Luc Veuthey. (1998). Selectivity manipulation using nonaqueous capillary electrophoresis. Application to tropane alkaloids and amphetamine derivatives. Electrophoresis. 19(16-17). 2900–2906. 45 indexed citations
18.
Christen, Philippe, et al.. (1995). L'extraction en phase supercritique des substances d'origine végétale. Archive ouverte UNIGE (University of Geneva). 14 indexed citations
19.
Christen, Philippe, et al.. (1994). Tropane Alkaloids in Transformed Roots ofDatura quercifolia. Planta Medica. 60(2). 158–162. 28 indexed citations
20.
Christen, Philippe, Toshio Aoki, & K. Shimomura. (1992). Characteristics of growth and tropane alkaloid production in Hyoscyamus albus hairy roots transformed with Agrobacterium rhizogenes A4. Plant Cell Reports. 11(12). 597–600. 31 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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