Leif Christensen

4.0k total citations · 1 hit paper
33 papers, 3.3k citations indexed

About

Leif Christensen is a scholar working on Molecular Biology, Genetics and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Leif Christensen has authored 33 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Molecular Biology, 7 papers in Genetics and 6 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Leif Christensen's work include DNA and Nucleic Acid Chemistry (9 papers), Advanced biosensing and bioanalysis techniques (7 papers) and Innovations in Medical Education (5 papers). Leif Christensen is often cited by papers focused on DNA and Nucleic Acid Chemistry (9 papers), Advanced biosensing and bioanalysis techniques (7 papers) and Innovations in Medical Education (5 papers). Leif Christensen collaborates with scholars based in Denmark, United States and United Kingdom. Leif Christensen's co-authors include Peter E. Nielsen, Ole Buchardt, Michael D. Miller, Rolf H. Berg, Carsten Behrens, Bengt Nordén, Seog K. Kim, Susan M. Freier, David A. Driver and Henrik F. Hansen and has published in prestigious journals such as Nature, The Lancet and Journal of the American Chemical Society.

In The Last Decade

Leif Christensen

33 papers receiving 3.2k citations

Hit Papers

PNA hybridizes to complementary oligonucleotides obeying ... 1993 2026 2004 2015 1993 500 1000 1.5k
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. PNA hybridizes to complementary oligonucleotides obeying the Watson–Crick hydrogen-bonding rules
    1993 1.7k citations Michael D. Miller, Ole Buchardt et al. Nature profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Leif Christensen Denmark 21 2.7k 319 189 168 163 33 3.3k
Zheng Tan China 33 2.7k 1.0× 157 0.5× 103 0.5× 67 0.4× 232 1.4× 102 3.9k
Catherine Vénien‐Bryan France 29 1.8k 0.7× 273 0.9× 169 0.9× 86 0.5× 118 0.7× 79 2.5k
Charles R. Connell United States 8 1.3k 0.5× 206 0.6× 294 1.6× 115 0.7× 319 2.0× 10 2.2k
Shira Cohen United States 28 1.5k 0.6× 363 1.1× 69 0.4× 156 0.9× 281 1.7× 70 2.5k
John J. Toole United States 19 2.9k 1.1× 164 0.5× 673 3.6× 65 0.4× 265 1.6× 20 5.5k
Julian A. Tanner Hong Kong 37 2.4k 0.9× 187 0.6× 777 4.1× 154 0.9× 131 0.8× 110 3.9k
Michael G. Poirier United States 35 3.3k 1.2× 126 0.4× 214 1.1× 93 0.6× 221 1.4× 102 3.8k
Jianbing Liu China 33 2.5k 0.9× 297 0.9× 921 4.9× 385 2.3× 159 1.0× 187 4.1k
Russell P. Goodman United States 18 2.3k 0.9× 446 1.4× 442 2.3× 62 0.4× 56 0.3× 36 3.2k
J Huppert United Kingdom 22 6.2k 2.3× 424 1.3× 79 0.4× 141 0.8× 151 0.9× 46 6.4k

Countries citing papers authored by Leif Christensen

Since Specialization
Citations

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

Fields of papers citing papers by Leif Christensen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Leif Christensen

This figure shows the co-authorship network connecting the top 25 collaborators of Leif Christensen. A scholar is included among the top collaborators of Leif Christensen 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 Leif Christensen. Leif Christensen 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.
Christensen, Leif, John R. Østergaard, & Sven Erik Nørholt. (2014). Positional Plagiocephaly. PubMed. 165(1). 46–50. 3 indexed citations
2.
Galsgaard, Elisabeth D., Nanni Din, Birgitte Rasmussen, et al.. (2013). Reevaluation of the proposed autocrine proliferative function of prolactin in breast cancer. Breast Cancer Research and Treatment. 142(1). 31–44. 32 indexed citations
3.
Rasmussen, Louise M., Klaus Stensgaard Frederiksen, Nanni Din, et al.. (2010). Prolactin and oestrogen synergistically regulate gene expression and proliferation of breast cancer cells. Endocrine Related Cancer. 17(3). 809–822. 53 indexed citations
4.
Galsgaard, Elisabeth D., Birgitte Rasmussen, Charlotta Grånäs, et al.. (2009). Re-evaluation of the prolactin receptor expression in human breast cancer. Journal of Endocrinology. 201(1). 115–128. 54 indexed citations
5.
Svensson, L. Anders, Kent Bondensgaard, Leif Nørskov‐Lauritsen, et al.. (2008). Crystal Structure of a Prolactin Receptor Antagonist Bound to the Extracellular Domain of the Prolactin Receptor. Journal of Biological Chemistry. 283(27). 19085–19094. 30 indexed citations
6.
Gordon, David, et al.. (2008). Educating health professionals: the Avicenna project. The Lancet. 371(9617). 966–967. 7 indexed citations
7.
Christensen, Leif, Hans Karle, & J Nystrup. (2007). Process–outcome interrelationship and standard setting in medical education: the need for a comprehensive approach. Medical Teacher. 29(7). 672–677. 13 indexed citations
8.
Keller, Mette Kirstine, Nuno Vibe Hermann, Tron A. Darvann, et al.. (2007). Craniofacial Morphology in Muenke Syndrome. Journal of Craniofacial Surgery. 18(2). 374–386. 15 indexed citations
9.
Sørensen, Poul Ejnar, Nicolaos Antonio Cutululis, Torsten Lund, et al.. (2007). Power Quality Issues on Wind Power Installations in Denmark. IEEE Power Engineering Society General Meeting. 1–6. 30 indexed citations
10.
Christensen, Leif. (2004). The Bologna process and medical education. Medical Teacher. 26(7). 625–629. 52 indexed citations
11.
Snipas, Scott J., Eric Wildfang, Tamim Nazif, et al.. (2004). Characteristics of the caspase-like catalytic domain of human paracaspase. Biological Chemistry. 385(11). 1093–8. 32 indexed citations
12.
Christensen, Leif, et al.. (2003). WFME Global Standards in Medical Education: status and perspectives following the 2003 WFME World Conference. Medical Education. 37(11). 1050–1054. 25 indexed citations
13.
Hansen, Henrik F., Leif Christensen, Otto Dahl, & Peter E. Nielsen. (1999). 6-Thioguanine in Peptide Nucleic Acids. Synthesis and Hybridization Properties. Nucleosides and Nucleotides. 18(1). 5–9. 8 indexed citations
14.
Christensen, Leif, N. Petersen, Hiroshi Morita, & Jens Bo Nielsen. (1998). Corticospinal Function during Human Walking. Annals of the New York Academy of Sciences. 860(1). 546–549. 13 indexed citations
15.
Eriksson, Magdalena, Leif Christensen, Jürgen Schmidt, et al.. (1998). Sequence dependent N-terminal rearrangement and degradation of peptide nucleic acid (PNA) in aqueous solution. New Journal of Chemistry. 22(10). 1055–1059. 20 indexed citations
16.
Christensen, Leif, Richard Fitzpatrick, Brian Gildea, et al.. (1995). Solid‐Phase synthesis of peptide nucleic acids. Journal of Peptide Science. 1(3). 175–183. 301 indexed citations
17.
Miller, Michael D., et al.. (1995). Efficient pH-independent sequence-specific DNA binding by pseudoisocytosine-containing bis-PNA. Nucleic Acids Research. 23(2). 217–222. 247 indexed citations
18.
Miller, Michael D., Ole Buchardt, Leif Christensen, et al.. (1993). PNA hybridizes to complementary oligonucleotides obeying the Watson–Crick hydrogen-bonding rules. Nature. 365(6446). 566–568. 1702 indexed citations breakdown →
19.
Jensen, John, Steen Sindet‐Pedersen, & Leif Christensen. (1992). Rigid fixation in reconstruction of craniofacial fractures. Journal of Oral and Maxillofacial Surgery. 50(6). 550–554. 15 indexed citations
20.
Christensen, Leif, et al.. (1991). Sleep in Acromegaly before and after Treatment with Adenomectomy. Neuroendocrinology. 53(4). 328–331. 30 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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