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Researcher · Jena Bioscience (Germany) · Germany

Hans‐Joachim Siemann

Hans‐Joachim Siemann publishes mostly in Molecular Biology, Organic Chemistry and Genetics, on topics such as Steroid Chemistry and Biochemistry, Estrogen and related hormone effects and Inorganic and Organometallic Chemistry.

OpenAlex
World rank
#5,995,023
of 7,710,434 ranked researchers
Rank in Germany
#306,517
of 364,343
Works
19
Citations
38
Citations per work
2.0
h-index
3
i10-index 1Top 99% in Molecular Biology
Hans‐Joachim Siemann

What does Hans‐Joachim Siemann research?

Hans‐Joachim Siemann's work is mostly in Biochemistry, Genetics and Molecular Biology (46%), Chemistry (38%), Pharmacology, Toxicology and Pharmaceutics (2%).

Life Sciences: 9 works · 47.9% of their workBiochemistry, Genetics and Molecular Biology: 9 works · 45.8% of their workMolecular Biology: 6 works · 33.3% of their workGenetics: 2 works · 12.5% of their workPharmacology, Toxicology and Pharmaceutics: 0 works · 2.1% of their workPharmaceutical Science: 0 works · 2.1% of their workPhysical Sciences: 8 works · 39.6% of their workChemistry: 7 works · 37.5% of their workOrganic Chemistry: 6 works · 33.3% of their workSpectroscopy: 1 works · 4.2% of their workMaterials Science: 0 works · 2.1% of their workBiomaterials: 0 works · 2.1% of their workEverything else: 2 works · 12.5% of their workTHEIR WORKHans‐JoachimSiemann19works
Life Sciences48%Physical Sciences40%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Biochemistry, Genetics and Molecular Biology945.8%
    2. Pharmacology, Toxicology and Pharmaceutics02.1%
    1. Chemistry737.5%
    2. Materials Science02.1%
  3. Everything else212.5%
  1. 1Molecular Biology33% of their works
  2. 2Organic Chemistry33% of their works
  3. 3Genetics12% of their works
  4. 4Spectroscopy4% of their works
  5. 5Pharmaceutical Science2% of their works
  6. 6Biomaterials2% of their works

Research topics

Which keywords describe Hans‐Joachim Siemann's research?

The keywords of their largest research topics: Microbial Transformation, Steroid Degradation, Metal Complexes, Catalysis, Estrogen, Organic Synthesis, Receptor and Organic Chemistry.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Microbial Transformation151 topic
  2. Steroid Degradation151 topic
  3. Metal Complexes82 topics
  4. Catalysis61 topic
  5. Estrogen61 topic
  6. Organic Synthesis61 topic
  7. Receptor61 topic
  8. Organic Chemistry41 topic
  9. Reactivity41 topic
  10. Synthesis42 topics
  11. Asymmetric Catalysis21 topic
  12. Chemistry21 topic
  13. Organotin Compounds21 topic
  14. Stereocontrolled Synthesis21 topic
  15. Drug Discovery11 topic
  16. Fluorine11 topic
  17. Medicinal Chemistry11 topic
  18. Peptide Synthesis11 topic

Where does Hans‐Joachim Siemann work?

Hans‐Joachim Siemann's main affiliation in the publication record is Jena Bioscience (Germany), Germany.

How many publications and citations does Hans‐Joachim Siemann have?

OpenAlex counts 19 works and 38 citations for Hans‐Joachim Siemann, an h-index of 3, ranking #5,995,023 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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