Roman Hirsch

4.1k total citations · 1 hit paper
9 papers, 3.3k citations indexed

About

Roman Hirsch is a scholar working on Analytical Chemistry, Pollution and Pharmacology. According to data from OpenAlex, Roman Hirsch has authored 9 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Analytical Chemistry, 4 papers in Pollution and 3 papers in Pharmacology. Recurrent topics in Roman Hirsch's work include Pharmaceutical and Antibiotic Environmental Impacts (4 papers), Analytical chemistry methods development (3 papers) and Antibiotics Pharmacokinetics and Efficacy (3 papers). Roman Hirsch is often cited by papers focused on Pharmaceutical and Antibiotic Environmental Impacts (4 papers), Analytical chemistry methods development (3 papers) and Antibiotics Pharmacokinetics and Efficacy (3 papers). Roman Hirsch collaborates with scholars based in Switzerland, Germany and Canada. Roman Hirsch's co-authors include Thomas A. Ternes, Klaus Haberer, Karl Kratz, Terry C. Hazen, G. W. Esch, C.B. Fliermans, D.T. Bennie, Brenda G. Koenig, Mark R. Servos and Chris D. Metcalfe and has published in prestigious journals such as Environmental Science & Technology, The Science of The Total Environment and Applied and Environmental Microbiology.

In The Last Decade

Roman Hirsch

9 papers receiving 3.1k 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.

Occurrence of antibiotics in the aquatic environment

1999 1.7k citations Roman Hirsch, Thomas A. Ternes et al. The Science of The Total Environment profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Roman Hirsch Switzerland	8	2.5k	893	858	682	574	9	3.3k
H.-C. Holten Lützhøft Denmark	6	2.9k 1.2×	832 0.9×	1.0k 1.2×	689 1.0×	500 0.9×	6	3.5k
Flemming Ingerslev Denmark	22	4.0k 1.6×	1.1k 1.2×	1.2k 1.4×	915 1.3×	782 1.4×	31	4.9k
Klaus Haberer Germany	13	3.0k 1.2×	966 1.1×	1.3k 1.5×	652 1.0×	547 1.0×	33	3.8k
Nicklas Paxéus Sweden	15	2.8k 1.1×	748 0.8×	1.1k 1.3×	978 1.4×	347 0.6×	16	4.0k
Gerd Hamscher Germany	29	2.0k 0.8×	499 0.6×	441 0.5×	417 0.6×	596 1.0×	99	3.5k
Milagros Mezcúa Spain	29	2.3k 0.9×	1.3k 1.5×	1.1k 1.3×	729 1.1×	379 0.7×	52	4.3k
Belinda Huerta Spain	24	2.6k 1.0×	443 0.5×	1.1k 1.3×	422 0.6×	241 0.4×	43	3.5k
Johannes Tolls Netherlands	29	3.3k 1.3×	998 1.1×	2.1k 2.5×	569 0.8×	623 1.1×	61	4.9k
Anna Białk‐Bielińska Poland	33	1.9k 0.8×	638 0.7×	625 0.7×	608 0.9×	283 0.5×	68	3.1k
Norihide Nakada Japan	37	3.4k 1.4×	721 0.8×	2.0k 2.3×	1.1k 1.7×	343 0.6×	88	5.0k

Countries citing papers authored by Roman Hirsch

Since Specialization

Citations

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

Fields of papers citing papers by Roman Hirsch

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Roman Hirsch

This figure shows the co-authorship network connecting the top 25 collaborators of Roman Hirsch. A scholar is included among the top collaborators of Roman Hirsch 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 Roman Hirsch. Roman Hirsch is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

9 of 9 papers shown

1.

Hirsch, Roman, et al.. (2003). Direct thermal desorption and Fast-GC-TOF-MS for a rapid quality control of hazelnuts.. 723–728. 1 indexed citations

2.

Metcalfe, Chris D., Brenda G. Koenig, D.T. Bennie, et al.. (2003). Occurrence of neutral and acidic drugs in the effluents of Canadian sewage treatment plants. Environmental Toxicology and Chemistry. 22(12). 2872–2880. 379 indexed citations

3.

Aebi, Beat, et al.. (2002). Quantitation using GC–TOF-MS: example of bromazepam. Forensic Science International. 128(1-2). 84–89. 21 indexed citations

4.

Hirsch, Roman, et al.. (2000). A sensitive method for the determination of iodine containing diagnostic agents in aqueous matrices using LC-electrospray-tandem-MS detection. Fresenius Journal of Analytical Chemistry. 366(8). 835–841. 72 indexed citations

5.

Ternes, Thomas A. & Roman Hirsch. (2000). Occurrence and Behavior of X-ray Contrast Media in Sewage Facilities and the Aquatic Environment. Environmental Science & Technology. 34(13). 2741–2748. 367 indexed citations

6.

Hirsch, Roman, Thomas A. Ternes, Klaus Haberer, & Karl Kratz. (1999). Occurrence of antibiotics in the aquatic environment. The Science of The Total Environment. 225(1-2). 109–118. 1717 indexed citations breakdown →

7.

Hirsch, Roman, et al.. (1998). Determination of antibiotics in different water compartments via liquid chromatography–electrospray tandem mass spectrometry. Journal of Chromatography A. 815(2). 213–223. 328 indexed citations

8.

Ternes, Thomas A., Roman Hirsch, J. Mueller, & Klaus Haberer. (1998). Methods for the determination of neutral drugs as well as betablockers and β 2 -sympathomimetics in aqueous matrices using GC/MS and LC/MS/MS. Fresenius Journal of Analytical Chemistry. 362(3). 329–340. 129 indexed citations

9.

Hazen, Terry C., C.B. Fliermans, Roman Hirsch, & G. W. Esch. (1978). Prevalence and distribution of Aeromonas hydrophila in the United States. Applied and Environmental Microbiology. 36(5). 731–738. 304 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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