Ulrich Hopfer

9.2k total citations · 2 hit papers
165 papers, 7.7k citations indexed

About

Ulrich Hopfer is a scholar working on Molecular Biology, Surgery and Endocrinology, Diabetes and Metabolism. According to data from OpenAlex, Ulrich Hopfer has authored 165 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 118 papers in Molecular Biology, 32 papers in Surgery and 26 papers in Endocrinology, Diabetes and Metabolism. Recurrent topics in Ulrich Hopfer's work include Ion Transport and Channel Regulation (63 papers), Ion channel regulation and function (28 papers) and Pancreatic function and diabetes (25 papers). Ulrich Hopfer is often cited by papers focused on Ion Transport and Channel Regulation (63 papers), Ion channel regulation and function (28 papers) and Pancreatic function and diabetes (25 papers). Ulrich Hopfer collaborates with scholars based in United States, China and France. Ulrich Hopfer's co-authors include Heini Murer, Joseph L. Perrotto, Kurt J. Isselbacher, H. Murer, Rolf K. H. Kinne, Kristine Sigrist‐Nelson, Pedro A. José, Janice G. Douglas, Peter C. Will and Albert L. Lehninger and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Journal of Clinical Investigation.

In The Last Decade

Ulrich Hopfer

164 papers receiving 7.3k 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.

Glucose Transport in Isolated Brush Border Membrane from Rat Small Intestine

1973 759 citations Ulrich Hopfer, Kurt J. Isselbacher et al. profile →
Sodium/proton antiport in brush-border-membrane vesicles isolated from rat small intestine and kidney

1976 503 citations Ulrich Hopfer et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ulrich Hopfer United States	48	4.7k	1.2k	1.2k	979	926	165	7.7k
Arnold W. Strauss United States	58	6.4k 1.4×	1.2k 1.0×	946 0.8×	1.6k 1.6×	1.5k 1.6×	220	10.5k
Godfrey S. Getz United States	61	5.1k 1.1×	3.1k 2.6×	1.9k 1.6×	2.5k 2.5×	1.2k 1.3×	221	11.6k
Junichi Fujii Japan	53	6.1k 1.3×	696 0.6×	569 0.5×	1.5k 1.5×	1.9k 2.0×	265	11.8k
Richard Breyer United States	57	3.5k 0.7×	737 0.6×	723 0.6×	1.8k 1.8×	654 0.7×	137	9.4k
Michael Kinter United States	53	4.7k 1.0×	907 0.8×	846 0.7×	1.9k 1.9×	566 0.6×	190	9.4k
Donald D. F. Loo United States	49	4.6k 1.0×	1.9k 1.6×	1.9k 1.6×	595 0.6×	246 0.3×	100	7.5k
François Verrey Switzerland	60	6.2k 1.3×	895 0.8×	1.9k 1.7×	800 0.8×	454 0.5×	164	10.8k
Michael Gekle Germany	51	3.6k 0.8×	1.1k 0.9×	1.6k 1.4×	551 0.6×	652 0.7×	241	8.0k
James A. Thomas United States	47	4.1k 0.9×	995 0.8×	697 0.6×	1.0k 1.0×	875 0.9×	103	8.2k
Howard Rasmussen United States	60	6.3k 1.3×	1.6k 1.4×	1.9k 1.6×	2.3k 2.3×	788 0.9×	224	12.5k

Countries citing papers authored by Ulrich Hopfer

Since Specialization

Citations

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

Fields of papers citing papers by Ulrich Hopfer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ulrich Hopfer

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

Yang, Jian, Zhihong Cui, Dan He, et al.. (2009). Insulin Increases D5 Dopamine Receptor Expression and Function in Renal Proximal Tubule Cells From Wistar-Kyoto Rats. American Journal of Hypertension. 22(7). 770–776. 20 indexed citations

Simão, Sónia, Rui Pedrosa, Ulrich Hopfer, et al.. (2008). Short-term regulation of the Cl−/HCO3− exchanger in immortalized SHR proximal tubular epithelial cells. Biochemical Pharmacology. 75(11). 2224–2233. 6 indexed citations

Goel, Monu, et al.. (2007). Vasopressin-induced membrane trafficking of TRPC3 and AQP2 channels in cells of the rat renal collecting duct. American Journal of Physiology-Renal Physiology. 293(5). F1476–F1488. 58 indexed citations

Bertrand, Carol A., Christian Laboisse, Ulrich Hopfer, Robert J. Bridges, & Raymond A. Frizzell. (2006). Methods for Detecting Internalized, FM 1-43 Stained Particles in Epithelial Cells and Monolayers. Biophysical Journal. 91(10). 3872–3883. 10 indexed citations

Yu, Pingfeng, Laureano D. Asico, Yingjin Luo, et al.. (2006). D1 dopamine receptor hyperphosphorylation in renal proximal tubules in hypertension. Kidney International. 70(6). 1072–1079. 47 indexed citations

Pedrosa, Rui, Pedro Gomes, Ulrich Hopfer, Pedro A. José, & Patrício Soares‐da‐Silva. (2004). G_iα3 protein-coupled dopamine D₃receptor-mediated inhibition of renal NHE3 activity in SHR proximal tubular cells is a PLC-PKC-mediated event. American Journal of Physiology-Renal Physiology. 287(5). F1059–F1066. 37 indexed citations

Cui, Xiao-Lan, et al.. (2000). Ca²⁺-dependent activation of c-jun NH₂-terminal kinase in primary rabbit proximal tubule epithelial cells. American Journal of Physiology-Cell Physiology. 279(2). C403–C409. 5 indexed citations

Albrecht, Frederick E., Jing Xu, Orson W. Moe, et al.. (2000). Regulation of NHE3 activity by G protein subunits in renal brush-border membranes. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 278(4). R1064–R1073. 51 indexed citations

Gross, Eitan & Ulrich Hopfer. (1999). Effects of pH on Kinetic Parameters of the Na-HCO3 Cotransporter in Renal Proximal Tubule. Biophysical Journal. 76(6). 3066–3075. 11 indexed citations

10.

Bertrand, Carol A., Dominique M. Durand, Gerald M. Saidel, Christian Laboisse, & Ulrich Hopfer. (1998). System for Dynamic Measurements of Membrane Capacitance in Intact Epithelial Monolayers. Biophysical Journal. 75(6). 2743–2756. 26 indexed citations

11.

Guo, Xiaowei, Didier Merlin, Robert D. Harvey, Christian Laboisse, & Ulrich Hopfer. (1997). Pharmacological Evidence that Calcium is Not Required for P 2 -Receptor-Stimulated Cl − Secretion in HT29-Cl.16E. The Journal of Membrane Biology. 155(3). 239–246. 10 indexed citations

12.

Hopfer, Ulrich, Philip G. Woost, James W. Jacobberger, & Janice G. Douglas. (1996). New methods for maintaining human renal epithelial cells and analyzing their ion transport functions: Potential analysis of genetic disease. Ethnicity and Health. 1(2). 129–136. 2 indexed citations

13.

Jiang, Bin, et al.. (1992). ATP sensitive K+ conductance in pancreatic zymogen granules: Block by glyburide and activation by diazoxide. The Journal of Membrane Biology. 129(3). 253–66. 43 indexed citations

14.

Hopfer, Ulrich, et al.. (1990). Chloride transport across the membrane of parotid secretory granules. American Journal of Physiology-Cell Physiology. 259(3). C413–C420. 23 indexed citations

15.

Hopfer, Ulrich. (1985). Characterization of Microvillus Membrane Vesicles. Journal of Pediatric Gastroenterology and Nutrition. 4(6). 865–867. 2 indexed citations

16.

Will, Peter C., et al.. (1985). Amiloride-sensitive salt and fluid absorption in small intestine of sodium-depleted rats. American Journal of Physiology-Gastrointestinal and Liver Physiology. 248(1). G133–G141. 20 indexed citations

17.

Hopfer, Ulrich. (1977). Kinetics of Na⁺‐dependent D‐glucose transport. Journal of Supramolecular Structure. 7(1). 1–13. 60 indexed citations

18.

Liedtke, Christian & Ulrich Hopfer. (1977). Anion transport in brush border membranes isolated from rat small intestine. Biochemical and Biophysical Research Communications. 76(2). 579–585. 59 indexed citations

19.

Hopfer, Ulrich. (1976). Sugar and amino acid transport in animal cells.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 2. 106–33. 5 indexed citations

20.

Hopfer, Ulrich, et al.. (1972). Specific glucose transport in isolated brush border membranes from rat small intestine. Cellular and Molecular Life Sciences. 28(6). 737. 1 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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