Gerald Haaima

1.3k total citations
21 papers, 1.1k citations indexed

About

Gerald Haaima is a scholar working on Molecular Biology, Organic Chemistry and Ecology. According to data from OpenAlex, Gerald Haaima has authored 21 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Molecular Biology, 5 papers in Organic Chemistry and 4 papers in Ecology. Recurrent topics in Gerald Haaima's work include DNA and Nucleic Acid Chemistry (12 papers), Advanced biosensing and bioanalysis techniques (10 papers) and Bacteriophages and microbial interactions (4 papers). Gerald Haaima is often cited by papers focused on DNA and Nucleic Acid Chemistry (12 papers), Advanced biosensing and bioanalysis techniques (10 papers) and Bacteriophages and microbial interactions (4 papers). Gerald Haaima collaborates with scholars based in Denmark, New Zealand and Australia. Gerald Haaima's co-authors include Peter E. Nielsen, Ole Buchardt, Anders Lohse, Stefano Sforza, David P. Fairlie, Stephen M. Taylor, Rosangela Marchelli, Anna J. Strachan, Trent M. Woodruff and Leif Christensen and has published in prestigious journals such as Journal of the American Chemical Society, Chemical Society Reviews and Nucleic Acids Research.

In The Last Decade

Gerald Haaima

21 papers receiving 1.1k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Gerald Haaima Denmark 14 912 141 110 81 58 21 1.1k
Mark Matteucci United States 17 909 1.0× 254 1.8× 36 0.3× 55 0.7× 59 1.0× 29 1.2k
Charles J. Guinosso United States 16 1.5k 1.7× 259 1.8× 54 0.5× 54 0.7× 32 0.6× 19 1.8k
Andrew M. Kawasaki United States 14 1.5k 1.6× 171 1.2× 43 0.4× 48 0.6× 25 0.4× 36 1.6k
Kira Astakhova Denmark 21 834 0.9× 144 1.0× 40 0.4× 55 0.7× 127 2.2× 72 1.1k
Brian R. McNaughton United States 14 807 0.9× 447 3.2× 40 0.4× 68 0.8× 54 0.9× 23 1.1k
Byeong Doo Song United States 13 536 0.6× 146 1.0× 60 0.5× 17 0.2× 51 0.9× 19 837
Alex Manicardi Italy 22 1.2k 1.3× 114 0.8× 36 0.3× 56 0.7× 214 3.7× 54 1.5k
K.A. Weyer Switzerland 9 549 0.6× 32 0.2× 51 0.5× 66 0.8× 24 0.4× 10 694
Bettina Appel Germany 18 646 0.7× 307 2.2× 29 0.3× 33 0.4× 56 1.0× 44 1.1k
Xianbin Yang United States 22 926 1.0× 40 0.3× 68 0.6× 28 0.3× 142 2.4× 56 1.2k

Countries citing papers authored by Gerald Haaima

Since Specialization
Citations

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

Fields of papers citing papers by Gerald Haaima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Gerald Haaima

This figure shows the co-authorship network connecting the top 25 collaborators of Gerald Haaima. A scholar is included among the top collaborators of Gerald Haaima 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 Gerald Haaima. Gerald Haaima 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, Caspar, Anne B. Eldrup, Gerald Haaima, & Peter E. Nielsen. (2002). 1,8-Naphthyridin-2,7-(1,8H)-dione is an effective mimic of protonated cytosine in peptide nucleic acid triplex recognition systems. Bioorganic & Medicinal Chemistry Letters. 12(21). 3121–3124. 7 indexed citations
2.
Eldrup, Anne B., Caspar Christensen, Gerald Haaima, & Peter E. Nielsen. (2002). Substituted 1,8-Naphthyridin-2(1H)-ones Are Superior to Thymine in the Recognition of Adenine in Duplex as Well as Triplex Structures. Journal of the American Chemical Society. 124(13). 3254–3262. 43 indexed citations
3.
Petry, R., David J. Craik, Gerald Haaima, et al.. (2002). Secondary Structure of the Third Extracellular Loop Responsible for Ligand Selectivity of a Mammalian Gonadotropin-Releasing Hormone Receptor. Journal of Medicinal Chemistry. 45(5). 1026–1034. 18 indexed citations
4.
Eldrup, Anne B., Bettina Bryde Nielsen, Gerald Haaima, et al.. (2001). 1,8-Naphthyridin-2(1H)-ones − Novel Bicyclic and Tricyclic Analogues of Thymine in Peptide Nucleic Acids (PNAs). European Journal of Organic Chemistry. 2001(9). 1781–1790. 41 indexed citations
5.
Strachan, Anna J., Trent M. Woodruff, Gerald Haaima, David P. Fairlie, & Stephen M. Taylor. (2000). A New Small Molecule C5a Receptor Antagonist Inhibits the Reverse-Passive Arthus Reaction and Endotoxic Shock in Rats. The Journal of Immunology. 164(12). 6560–6565. 93 indexed citations
6.
Wong, A. K., Angela M. Finch, Gerald Haaima, et al.. (1999). Effects of a new C5a receptor antagonist on C5a‐ and endotoxin‐ induced neutropenia in the rat. British Journal of Pharmacology. 126(3). 551–554. 57 indexed citations
7.
Haaima, Gerald, Hanne B. Rasmussen, G. Schmidt, et al.. (1999). Peptide nucleic acids (PNA) derived from N-(N-methylaminoethyl)glycine. Synthesis, hybridization and structural properties. New Journal of Chemistry. 23(8). 833–840. 26 indexed citations
8.
Sforza, Stefano, Gerald Haaima, Rosangela Marchelli, & Peter E. Nielsen. (1999). Chiral Peptide Nucleic Acids (PNAs): Helix Handedness and DNA Recognition. European Journal of Organic Chemistry. 1999(1). 197–204. 84 indexed citations
9.
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
10.
Püschl, Ask, Stefano Sforza, Gerald Haaima, Otto Dahl, & Peter E. Nielsen. (1998). Peptide nucleic acids (PNAs) with a functional backbone. Tetrahedron Letters. 39(26). 4707–4710. 86 indexed citations
11.
Ratilainen, Tommi, Anders Holmén, Eimer Tuite, et al.. (1998). Hybridization of Peptide Nucleic Acid. Biochemistry. 37(35). 12331–12342. 113 indexed citations
12.
Haaima, Gerald. (1997). Increased DNA binding and sequence discrimination of PNA oligomers containing 2,6-diaminopurine. Nucleic Acids Research. 25(22). 4639–4643. 97 indexed citations
13.
Nielsen, Peter E. & Gerald Haaima. (1997). Peptide nucleic acid (PNA). A DNA mimic with a pseudopeptide backbone. Chemical Society Reviews. 26(2). 73–73. 187 indexed citations
14.
Haaima, Gerald, Anders Lohse, Ole Buchardt, & Peter Nielsen. (1996). Peptidnucleinsäuren (PNAs) aus chiralen Aminosäuren und Thymin‐Monomeren: Hybridisierungs‐ und Löslichkeitseigenschaften von D‐Lysin‐PNA. Angewandte Chemie. 108(17). 2068–2070. 9 indexed citations
15.
Nielsen, Peter E., Gerald Haaima, Anders Lohse, & Ole Buchardt. (1996). Peptide Nucleic Acids (PNAs) Containing Thymine Monomers Derived from Chiral Amino Acids: Hybridization and Solubility Properties of D‐Lysine PNA. Angewandte Chemie International Edition in English. 35(17). 1939–1942. 193 indexed citations
16.
Haaima, Gerald, Simon D. Mawson, Anne Routledge, & Rex T. Weavers. (1994). Reaction of iodoalkylidene lactones with nucleophiles. Tetrahedron. 50(11). 3557–3570. 5 indexed citations
17.
Haaima, Gerald, et al.. (1994). Photoisomerisation of (E)-iodoalkylidene lactones a route to (Z)-iodoalkylidene Lactones. Tetrahedron. 50(7). 2161–2174. 5 indexed citations
18.
Haaima, Gerald, et al.. (1993). Synthesis of iodoalkylidene lactones from alkenes. Tetrahedron. 49(20). 4229–4252. 13 indexed citations
19.
Haaima, Gerald, et al.. (1991). Alkylidene lactone synthesis. Tetrahedron. 47(28). 5203–5214. 10 indexed citations
20.
Haaima, Gerald, Anne Routledge, & Rex T. Weavers. (1989). De-iodination and isomerisation of iodoalkylidene lactones. Tetrahedron Letters. 30(38). 5159–5162. 5 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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