Dirk Ullmann

1.8k total citations
34 papers, 1.4k citations indexed

About

Dirk Ullmann is a scholar working on Molecular Biology, Organic Chemistry and Oncology. According to data from OpenAlex, Dirk Ullmann has authored 34 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Molecular Biology, 11 papers in Organic Chemistry and 11 papers in Oncology. Recurrent topics in Dirk Ullmann's work include Chemical Synthesis and Analysis (12 papers), Click Chemistry and Applications (9 papers) and Peptidase Inhibition and Analysis (9 papers). Dirk Ullmann is often cited by papers focused on Chemical Synthesis and Analysis (12 papers), Click Chemistry and Applications (9 papers) and Peptidase Inhibition and Analysis (9 papers). Dirk Ullmann collaborates with scholars based in Germany, United States and Canada. Dirk Ullmann's co-authors include Kaupo Palo, Peet Kask, Karsten Gall, Hans‐Dieter Jakubke, Leif Brand, J. Kirschner, R. Urban, Wulf Wulfhekel, M. Klaúa and T. L. Monchesky and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Physical review. B, Condensed matter and Applied Physics Letters.

In The Last Decade

Dirk Ullmann

34 papers receiving 1.4k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Dirk Ullmann Germany 18 753 351 269 222 143 34 1.4k
G. Krishnamoorthy India 27 2.3k 3.0× 279 0.8× 337 1.3× 428 1.9× 156 1.1× 96 2.9k
Kathleen G. Valentine United States 29 1.8k 2.4× 155 0.4× 265 1.0× 619 2.8× 249 1.7× 57 2.5k
Marlon J. Hinner Switzerland 12 1.1k 1.4× 140 0.4× 114 0.4× 152 0.7× 333 2.3× 18 1.6k
Yongfang Zhao China 18 1.2k 1.6× 235 0.7× 255 0.9× 251 1.1× 128 0.9× 51 2.0k
Stanislav Kalinin Germany 20 1.5k 2.0× 715 2.0× 241 0.9× 327 1.5× 80 0.6× 36 2.1k
Daniel S. Terry United States 27 2.2k 2.9× 577 1.6× 120 0.4× 274 1.2× 143 1.0× 41 3.1k
Elisha Haas Israel 28 1.9k 2.5× 332 0.9× 337 1.3× 757 3.4× 146 1.0× 70 2.4k
Hannes Neuweiler Germany 25 1.7k 2.3× 484 1.4× 297 1.1× 634 2.9× 181 1.3× 42 2.3k
Luigi Sportelli Italy 25 1.3k 1.7× 386 1.1× 407 1.5× 337 1.5× 185 1.3× 96 1.9k
Ananya Majumdar United States 36 3.0k 4.0× 171 0.5× 194 0.7× 462 2.1× 139 1.0× 121 3.5k

Countries citing papers authored by Dirk Ullmann

Since Specialization
Citations

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

Fields of papers citing papers by Dirk Ullmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Dirk Ullmann

This figure shows the co-authorship network connecting the top 25 collaborators of Dirk Ullmann. A scholar is included among the top collaborators of Dirk Ullmann 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 Dirk Ullmann. Dirk Ullmann 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.
Nasiri, Hamid R., et al.. (2015). Thermodynamic profiling of inhibitors of Nrf2:Keap1 interactions. Bioorganic & Medicinal Chemistry Letters. 26(2). 526–529. 13 indexed citations
2.
Blasche, Sonja, Mario Mörtl, H. Steuber, et al.. (2013). The E. coli Effector Protein NleF Is a Caspase Inhibitor. PLoS ONE. 8(3). e58937–e58937. 78 indexed citations
3.
Neumann, Lars, Konstanze von König, & Dirk Ullmann. (2011). HTS Reporter Displacement Assay for Fragment Screening and Fragment Evolution Toward Leads with Optimized Binding Kinetics, Binding Selectivity, and Thermodynamic Signature. Methods in enzymology on CD-ROM/Methods in enzymology. 493. 299–320. 41 indexed citations
4.
Keminer, Oliver, Jan D. Kahmann, Christoph Scheich, et al.. (2009). Novel MK2 Inhibitors by Fragment Screening. Combinatorial Chemistry & High Throughput Screening. 12(7). 697–703. 4 indexed citations
5.
Hunt, Nicholas H., et al.. (2006). Early Identification of False Positives in High-Throughput Screening for Activators of p53-DNA Interaction. SLAS DISCOVERY. 11(4). 341–350. 2 indexed citations
6.
Barker, John J., et al.. (2006). Fragment screening by biochemical assay. Expert Opinion on Drug Discovery. 1(3). 225–236. 39 indexed citations
7.
Eggeling, Christian, Leif Brand, Dirk Ullmann, & Stefan Jäger. (2003). Highly sensitive fluorescence detection technology currently available for HTS. Drug Discovery Today. 8(14). 632–641. 73 indexed citations
8.
Reyda, Sabine, et al.. (2003). Reconstructing the Binding Site of Factor Xa in Trypsin Reveals Ligand-induced Structural Plasticity. Journal of Molecular Biology. 325(5). 963–977. 20 indexed citations
9.
Fay, Nicolas & Dirk Ullmann. (2002). Leveraging process integration in early drug discovery. Drug Discovery Today. 7(20). s181–s186. 8 indexed citations
10.
Ullmann, Dirk, et al.. (2001). Miniaturized HTS technologies – uHTS. Drug Discovery Today. 6(12). 637–646. 106 indexed citations
11.
Wulfhekel, Wulf, M. Klaúa, Dirk Ullmann, et al.. (2001). Single-crystal magnetotunnel junctions. Applied Physics Letters. 78(4). 509–511. 99 indexed citations
12.
Kask, Peet, Kaupo Palo, Nicolas Fay, et al.. (2000). Two-Dimensional Fluorescence Intensity Distribution Analysis: Theory and Applications. Biophysical Journal. 78(4). 1703–1713. 129 indexed citations
13.
Ullmann, Dirk, et al.. (1999). S′ subsite mapping of serine proteases based on fluorescence resonance energy transfer. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1431(2). 329–337. 19 indexed citations
14.
Ullmann, Dirk, et al.. (1998). Design and Synthesis of Fluorogenic Trypsin Peptide Substrates Based on Resonance Energy Transfer. Analytical Biochemistry. 265(2). 225–231. 51 indexed citations
15.
Thormann, Michael, et al.. (1998). Engineering the S1‘ Subsite of Trypsin:  Design of a Protease Which Cleaves between Dibasic Residues. Biochemistry. 37(33). 11434–11440. 38 indexed citations
16.
Jakubke, Hans‐Dieter, et al.. (1997). ChemInform Abstract: Nonconventional Approaches to Enzyme‐Catalyzed Peptide Synthesis. ChemInform. 28(48). 3 indexed citations
17.
Ullmann, Dirk, Frank Bordusa, Katrin Salchert, & Hans‐Dieter Jakubke. (1996). A new simple route to the synthesis of protease substrates in ice. Tetrahedron Asymmetry. 7(7). 2047–2054. 14 indexed citations
18.
Ullmann, Dirk & Hans‐Dieter Jakubke. (1994). The specificity of clostripain from Clostridium histolyticum. European Journal of Biochemistry. 223(3). 865–872. 30 indexed citations
19.
Ullmann, Dirk & Hans‐Dieter Jakubke. (1994). Kinetic Characterization of Affinity Chromatography Purified Clostripain. Biological Chemistry Hoppe-Seyler. 375(2). 89–92. 2 indexed citations
20.
Čeřovský, Václav, Dirk Ullmann, & Hans‐Dieter Jakubke. (1994). S′-subsite mapping of polyethyelene glycol-modified α-chymotrypsin and α-chymotrypsin: a comparative study. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1204(1). 91–96. 3 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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