Karel Ulbrich

20.5k total citations · 1 hit paper
310 papers, 17.4k citations indexed

About

Karel Ulbrich is a scholar working on Biomaterials, Molecular Biology and Organic Chemistry. According to data from OpenAlex, Karel Ulbrich has authored 310 papers receiving a total of 17.4k indexed citations (citations by other indexed papers that have themselves been cited), including 137 papers in Biomaterials, 132 papers in Molecular Biology and 69 papers in Organic Chemistry. Recurrent topics in Karel Ulbrich's work include Nanoparticle-Based Drug Delivery (124 papers), RNA Interference and Gene Delivery (71 papers) and Nanoplatforms for cancer theranostics (46 papers). Karel Ulbrich is often cited by papers focused on Nanoparticle-Based Drug Delivery (124 papers), RNA Interference and Gene Delivery (71 papers) and Nanoplatforms for cancer theranostics (46 papers). Karel Ulbrich collaborates with scholars based in Czechia, United Kingdom and Germany. Karel Ulbrich's co-authors include Vladimír Šubr, Tomáš Etrych, J. Strohalm, Leonard W. Seymour, Blanka Řı́hová, Čestmı́r Koňák, Jindřich Kopeček, Petr Chytil, Ruth Duncan and M. Jelı́nková and has published in prestigious journals such as Chemical Reviews, Journal of Biological Chemistry and Angewandte Chemie International Edition.

In The Last Decade

Karel Ulbrich

308 papers receiving 17.1k citations

Hit Papers

Targeted Drug Delivery with Polymers and Magnetic Nanopar... 2016 2026 2019 2022 2016 400 800 1.2k
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. Targeted Drug Delivery with Polymers and Magnetic Nanoparticles: Covalent and Noncovalent Approaches, Release Control, and Clinical Studies
    2016 1.4k citations Karel Ulbrich, Vladimír Šubr et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Karel Ulbrich Czechia 69 8.6k 7.3k 5.4k 3.6k 2.3k 310 17.4k
Jindřich Kopeček United States 77 9.0k 1.0× 7.7k 1.1× 5.1k 1.0× 4.0k 1.1× 1.9k 0.8× 370 20.1k
Nobuhiro Nishiyama Japan 85 11.4k 1.3× 11.1k 1.5× 8.4k 1.6× 3.4k 0.9× 2.5k 1.1× 322 24.2k
Ruth Duncan United Kingdom 68 10.2k 1.2× 9.8k 1.3× 5.1k 0.9× 4.4k 1.2× 4.8k 2.1× 219 21.1k
Patrick S. Stayton United States 77 4.8k 0.6× 8.8k 1.2× 4.7k 0.9× 3.5k 1.0× 1.2k 0.5× 264 18.9k
Vladimir P. Torchilin United States 72 11.9k 1.4× 9.9k 1.4× 7.9k 1.5× 2.3k 0.6× 1.6k 0.7× 257 21.9k
Yukio Nagasaki Japan 68 7.7k 0.9× 6.3k 0.9× 5.3k 1.0× 5.1k 1.4× 2.2k 0.9× 376 19.0k
Jianjun Cheng United States 82 9.4k 1.1× 9.4k 1.3× 7.2k 1.4× 5.0k 1.4× 3.1k 1.3× 295 22.6k
Ick Chan Kwon South Korea 100 15.0k 1.7× 12.7k 1.7× 13.8k 2.6× 3.8k 1.1× 2.1k 0.9× 452 33.9k
Kwangmeyung Kim South Korea 88 11.2k 1.3× 10.0k 1.4× 12.1k 2.3× 2.2k 0.6× 1.3k 0.6× 381 25.8k
S. Moein Moghimi United Kingdom 68 8.7k 1.0× 8.4k 1.2× 5.5k 1.0× 1.3k 0.4× 866 0.4× 217 19.0k

Countries citing papers authored by Karel Ulbrich

Since Specialization
Citations

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

Fields of papers citing papers by Karel Ulbrich

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karel Ulbrich

This figure shows the co-authorship network connecting the top 25 collaborators of Karel Ulbrich. A scholar is included among the top collaborators of Karel Ulbrich 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 Karel Ulbrich. Karel Ulbrich 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.
Islam, Waliul, Jun Fang, Takahisa Imamura, et al.. (2018). Augmentation of the Enhanced Permeability and Retention Effect with Nitric Oxide–Generating Agents Improves the Therapeutic Effects of Nanomedicines. Molecular Cancer Therapeutics. 17(12). 2643–2653. 83 indexed citations
2.
Beztsinna, Nataliia, Bo Lou, Tomáš Etrych, et al.. (2017). Overcoming multidrug resistance using folate receptor-targeted and pH-responsive polymeric nanogels containing covalently entrapped doxorubicin. Nanoscale. 9(29). 10404–10419. 57 indexed citations
3.
Randárová, Eva, Olga Janoušková, Lucie Cuchalová, et al.. (2016). Overcoming multidrug resistance in Dox-resistant neuroblastoma cell lines via treatment with HPMA copolymer conjugates containing anthracyclines and P-gp inhibitors. Journal of Controlled Release. 233. 136–146. 31 indexed citations
4.
Ulbrich, Karel, et al.. (2015). Polymer drug carriers with enhanced penetration into tumor cells. Pharmaceutica Analytica Acta.
5.
Etrych, Tomáš, Vladimír Šubr, Richard Laga, Blanka Řı́hová, & Karel Ulbrich. (2014). Polymer conjugates of doxorubicin bound through an amide and hydrazone bond: Impact of the carrier structure onto synergistic action in the treatment of solid tumours. European Journal of Pharmaceutical Sciences. 58. 1–12. 62 indexed citations
6.
Sedláček, Ondřej, Martin Studenovský, David Větvička, Karel Ulbrich, & Martin Hrubý. (2013). Fine tuning of the pH-dependent drug release rate from polyHPMA-ellipticinium conjugates. Bioorganic & Medicinal Chemistry. 21(18). 5669–5672. 18 indexed citations
7.
Řı́hová, Blanka, Tomáš Etrych, Milada Šírová, et al.. (2011). Synergistic effect of EMF–BEMER-type pulsed weak electromagnetic field and HPMA-bound doxorubicin on mouse EL4 T-cell lymphoma. Journal of drug targeting. 19(10). 890–899. 9 indexed citations
8.
9.
Carlisle, Robert, et al.. (2008). Development of hydrophilic polymers to reduce the interaction of adenovirus type 5 with human blood components. Human Gene Therapy. 19. 399–399. 1 indexed citations
10.
Lammers, Twan, Peter Peschke, Rainer Kühnlein, et al.. (2006). Effect of Intratumoral Injection on the Biodistribution, the Therapeutic Potential of HPMA Copolymer-Based Drug Delivery Systems. Neoplasia. 8(10). 788–795. 103 indexed citations
11.
Lammers, Twan, Rainer Kühnlein, Maria Kissel, et al.. (2005). Effect of physicochemical modification on the biodistribution and tumor accumulation of HPMA copolymers. Journal of Controlled Release. 110(1). 103–118. 107 indexed citations
12.
Kovář, Marek, Tomáš Mrkvan, J. Strohalm, et al.. (2003). HPMA copolymer-bound doxorubicin targeted to tumor-specific antigen of BCL1 mouse B cell leukemia. Journal of Controlled Release. 92(3). 315–330. 44 indexed citations
13.
Souček, J., P Poučková, J. Strohalm, et al.. (2002). Poly [N -(2-hydroxypropyl)methacrylamide] Conjugates of Bovine Pancreatic Ribonuclease (RNase A) Inhibit Growth of Human Melanoma in Nude Mice. Journal of drug targeting. 10(3). 175–183. 23 indexed citations
14.
Pechar, Michal, et al.. (2001). Enzymatically degradable PEG multiblock copolymers with hydrazone-attached doxorubicin in cancer therapy.. Journal of Controlled Release. 72. 253–254. 10 indexed citations
15.
Oupický, David, Čestmı́r Koňák, Karel Ulbrich, Margreet A. Wolfert, & Leonard W. Seymour. (2000). DNA delivery systems based on complexes of DNA with synthetic polycations and their copolymers. Journal of Controlled Release. 65(1-2). 149–171. 114 indexed citations
16.
17.
Wu, Jun, Ruth Duncan, J. Strohalm, et al.. (1998). Early Phase Tumor Accumulation of Macromolecules: A Great Difference in Clearance Rate between Tumor and Normal Tissues. Japanese Journal of Cancer Research. 89(3). 307–314. 370 indexed citations
18.
Ulbrich, Karel, et al.. (1996). Polymeric conjugates of drugs and antibodies for site‐specific drug delivery. Macromolecular Symposia. 103(1). 177–192. 42 indexed citations
19.
Seymour, Leonard W., Karel Ulbrich, Stephen R. Wedge, et al.. (1991). N-(2-Hydroxypropyl)methacrylamide copolymers targeted to the hepatocyte galactose-receptor: pharmacokinetics in DBA2 mice. British Journal of Cancer. 63(6). 859–866. 94 indexed citations
20.
Bilej, Martin, Václav Větvička, Karel Ulbrich, et al.. (1989). Biocompatibility of N-(2-hydroxypropyl) methacrylamide copolymers containing adriamycin. Biomaterials. 10(5). 335–342. 177 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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