U. Karbach

2.6k total citations · 1 hit paper
45 papers, 2.0k citations indexed

About

U. Karbach is a scholar working on Molecular Biology, Genetics and Oncology. According to data from OpenAlex, U. Karbach has authored 45 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Molecular Biology, 12 papers in Genetics and 11 papers in Oncology. Recurrent topics in U. Karbach's work include Inflammatory Bowel Disease (8 papers), Ion Transport and Channel Regulation (7 papers) and Magnesium in Health and Disease (7 papers). U. Karbach is often cited by papers focused on Inflammatory Bowel Disease (8 papers), Ion Transport and Channel Regulation (7 papers) and Magnesium in Health and Disease (7 papers). U. Karbach collaborates with scholars based in Germany, United States and Austria. U. Karbach's co-authors include Hermann Koepsell, Valentin Gorboulev, Andreas Büsch, Florian Läng, Carmen Baumann, Jochen C. Ulzheimer, W. Rummel, Klaus Ewe, Karlfried Groebe and Christopher Volk and has published in prestigious journals such as Gastroenterology, Gut and Journal of Nutrition.

In The Last Decade

U. Karbach

45 papers receiving 2.0k 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.

Cloning and Characterization of Two Human Polyspecific Organic Cation Transporters

1997 526 citations Valentin Gorboulev, Jochen C. Ulzheimer et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
U. Karbach Germany	20	811	521	380	301	255	45	2.0k
Ulrich Warskulat Germany	34	768 0.9×	1.1k 2.0×	658 1.7×	132 0.4×	537 2.1×	67	3.1k
F. H. Leibach United States	23	496 0.6×	579 1.1×	340 0.9×	237 0.8×	110 0.4×	48	1.7k
Tomoji Maeda Japan	30	630 0.8×	799 1.5×	303 0.8×	110 0.4×	150 0.6×	77	2.1k
Takahito Kondo Japan	30	464 0.6×	1.4k 2.7×	233 0.6×	268 0.9×	309 1.2×	120	3.2k
John S.D. Chan Canada	40	280 0.3×	2.0k 3.8×	301 0.8×	238 0.8×	457 1.8×	132	4.6k
P D Berk United States	32	727 0.9×	2.0k 3.9×	423 1.1×	290 1.0×	395 1.5×	68	4.1k
R. Docter Netherlands	30	222 0.3×	936 1.8×	286 0.8×	120 0.4×	166 0.7×	92	3.2k
Roelof Ottenhoff Netherlands	36	1.0k 1.3×	1.6k 3.2×	277 0.7×	208 0.7×	1.1k 4.4×	77	4.0k
Björn Friedrich Germany	23	214 0.3×	1.3k 2.4×	276 0.7×	151 0.5×	278 1.1×	40	2.4k
Roland Reinehr Germany	33	843 1.0×	1.3k 2.5×	182 0.5×	167 0.6×	683 2.7×	77	3.2k

Countries citing papers authored by U. Karbach

Since Specialization

Citations

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

Fields of papers citing papers by U. Karbach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of U. Karbach

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

Karbach, U., et al.. (2001). Seltene Ursache eines hepatisch bedingten Komas. Medizinische Klinik. 96(4). 234–237. 2 indexed citations

Büsch, Andreas, U. Karbach, Valentin Gorboulev, et al.. (1998). Human Neurons Express the Polyspecific Cation Transporter hOCT2, Which Translocates Monoamine Neurotransmitters, Amantadine, and Memantine. Molecular Pharmacology. 54(2). 342–352. 270 indexed citations

Karbach, U., Stepan Gambaryan, Heinrich Wiesinger, et al.. (1997). Expression of the Na⁺‐d‐Glucose Cotransporter SGLT1 in Neurons. Journal of Neurochemistry. 69(1). 84–94. 116 indexed citations

Folwaczny, C, et al.. (1995). [Gastrointestinal involvement in progressive systemic scleroderma].. PubMed. 33(11). 654–61. 4 indexed citations

Groß, Markus W., U. Karbach, Karlfried Groebe, Allan J. Franko, & Wolfgang Mueller‐Klieser. (1995). Calibration of misonidazole labeling by simultaneous measurement of oxygen tension and labeling density in multicellular spheroids. International Journal of Cancer. 61(4). 567–573. 172 indexed citations

Stier, Heike, U. Karbach, Claus‐Dieter Gerharz, H. Gabbert, & W. Mueller-Klieser. (1994). Oxygenation Status of Rhabdomyosarcoma Spheroids with Different Stages of Differentiation. Advances in experimental medicine and biology. 345. 351–357. 1 indexed citations

Karbach, U., et al.. (1993). The cecum is the site with the highest calcium absorption in rat intestine. Digestive Diseases and Sciences. 38(10). 1815–1824. 85 indexed citations

Mueller-Klieser, W., Karlheinz Schlenger, Stefan Walenta, et al.. (1991). Pathophysiological approaches to identifying tumor hypoxia in patients. Radiotherapy and Oncology. 20. 21–28. 34 indexed citations

Karbach, U.. (1991). Segmental heterogeneity of cellular and paracellular calcium transport across the rat duodenum and jejunum. Gastroenterology. 100(1). 47–58. 42 indexed citations

10.

Karbach, U., Andrea Schmitt, & Fuat H. Saner. (1991). Different mechanism of magnesium and calcium transport across rat duodenum. Digestive Diseases and Sciences. 36(11). 1611–1618. 16 indexed citations

11.

Karbach, U. & W. Rummel. (1990). Cellular and paracellular magnesium transport across the terminal ileum of the rat and its interaction with the calcium transport. Gastroenterology. 98(4). 985–992. 26 indexed citations

12.

Karbach, U.. (1989). Magnesium transport across colon ascendens of the rat. Digestive Diseases and Sciences. 34(12). 1825–1831. 10 indexed citations

13.

Karbach, U.. (1989). Cellular-Mediated and Diffusive Magnesium Transport Across the Descending Colon of the Rat. Gastroenterology. 96(5). 1282–1289. 33 indexed citations

14.

Karbach, U. & W. Rummel. (1987). Calcium transport across the colon ascendens and the influence of 1,25‐dihydroxyvitamin D₃ and dexamethasone. European Journal of Clinical Investigation. 17(4). 368–374. 24 indexed citations

15.

Karbach, U. & W. Rummel. (1987). Cellular and paracellular calcium transport in the rat ileum and the influence of 1?,25-dihydroxyvitamin D3 and dexamethasone. Naunyn-Schmiedeberg s Archives of Pharmacology. 336(1). 117–24. 13 indexed citations

16.

Karbach, U., et al.. (1984). [Extent of drug compliance in Crohn disease patients--study of a special ambulatory care unit of a university clinic].. PubMed. 22(10). 573–9. 7 indexed citations

17.

Karbach, U. & R. Wanitschke. (1984). Influence of serosal hydrostatic pressure on net water and electrolyte transport across the isolated rat colonic mucosa exposed to different secretagogues. Naunyn-Schmiedeberg s Archives of Pharmacology. 327(4). 336–341. 9 indexed citations

18.

Karbach, U., Klaus Ewe, & H. Bodenstein. (1983). Alpha 1-antitrypsin, a reliable endogenous marker for intestinal protein loss and its application in patients with Crohn's disease.. Gut. 24(8). 718–723. 83 indexed citations

19.

Karbach, U., K. Ewe, & Peter Schramm. (1982). [(Quality of semen in patients with Crohn's disease) ].. PubMed. 20(6). 314–20. 11 indexed citations

20.

Eckardt, V., et al.. (1981). Bacteremia after proctoscopy and hemorrhoidal injection sclerotherapy. Diseases of the Colon & Rectum. 24(5). 373–374. 38 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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