Siegmund Lang

7.9k total citations · 1 hit paper
104 papers, 5.5k citations indexed

About

Siegmund Lang is a scholar working on Molecular Biology, Pollution and Organic Chemistry. According to data from OpenAlex, Siegmund Lang has authored 104 papers receiving a total of 5.5k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Molecular Biology, 30 papers in Pollution and 21 papers in Organic Chemistry. Recurrent topics in Siegmund Lang's work include Enzyme Catalysis and Immobilization (36 papers), Microbial Metabolic Engineering and Bioproduction (34 papers) and Microbial bioremediation and biosurfactants (30 papers). Siegmund Lang is often cited by papers focused on Enzyme Catalysis and Immobilization (36 papers), Microbial Metabolic Engineering and Bioproduction (34 papers) and Microbial bioremediation and biosurfactants (30 papers). Siegmund Lang collaborates with scholars based in Germany, Japan and Austria. Siegmund Lang's co-authors include Fritz Wagner, Victor Wray, Dieter Wullbrandt, Udo Rau, Roland Ulber, Jim Philp, Hans J. Schäfer, Jürgen O. Metzger, Manfred Schneider and Wilfried Lühs and has published in prestigious journals such as Angewandte Chemie International Edition, Applied and Environmental Microbiology and The Journal of Physical Chemistry B.

In The Last Decade

Siegmund Lang

95 papers receiving 5.2k 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.

New Syntheses with Oils and Fats as Renewable Raw Materials for the Chemical Industry

2000 595 citations Siegmund Lang et al. profile →

Peers

Siegmund Lang

MB

POLLU

BE

OC

ECOLO

Owen P. Ward Canada

Christoph Syldatk Germany

Mahiran Basri Malaysia

Wim Soetaert Belgium

Ajay Singh Canada

Sandhya Mishra India

Abu Bakar Salleh Malaysia

M. Manuela R. da Fonseca Portugal

Raja Noor Zaliha Raja Abd Rahman Malaysia

Daï Kitamoto Japan

Owen P. Ward Canada

Siegmund Lang

2.4k ×0.8

MB

2.3k ×1.0

POLLU

1.1k ×1.0

BE

259 ×0.3

OC

633 ×1.1

ECOLO

Citations per year, relative to Siegmund Lang Siegmund Lang (= 1×) peers Owen P. Ward

Countries citing papers authored by Siegmund Lang

Since Specialization

Citations

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

Fields of papers citing papers by Siegmund Lang

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Siegmund Lang

This figure shows the co-authorship network connecting the top 25 collaborators of Siegmund Lang. A scholar is included among the top collaborators of Siegmund Lang 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 Siegmund Lang. Siegmund Lang 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:

20 of 20 papers shown

1.

Rupp, Markus, et al.. (2025). The burden of back pain on hospital staff in a maximum care facility in Germany – a survey. Brain and Spine. 5. 104338–104338.

2.

Kerschbaum, Maximilian, et al.. (2025). Clinical recommendations for the acute care of patients with traumatic spinal cord injury. Deutsches Ärzteblatt international. 122(22). 611–616.

3.

Baertl, Susanne, Nike Walter, Siegmund Lang, et al.. (2023). Retrospective analysis of mortality and quality of life after hip disarticulation or hemipelvectomy: a report on 15 patients. Archives of Orthopaedic and Trauma Surgery. 143(8). 4943–4949. 6 indexed citations

4.

Kügler, Johannes H., Claudia Muhle‐Goll, Axel Kraft, et al.. (2014). Trehalose lipid biosurfactants produced by the actinomycetes Tsukamurella spumae and T. pseudospumae. Applied Microbiology and Biotechnology. 98(21). 8905–8915. 27 indexed citations

5.

Kuenz, Anja, et al.. (2013). Enhanced 2,3-butanediol production in fed-batch cultures of free and immobilized Bacillus licheniformis DSM 8785. Applied Microbiology and Biotechnology. 97(15). 6715–6723. 75 indexed citations

6.

Hahn, Thomas, et al.. (2009). Molekulare Werkzeuge zur Identifikation von Fucoidanasen. Chemie Ingenieur Technik. 81(8). 1230–1230.

7.

Hahn, Thomas, et al.. (2009). Extraktion sulfatierter Polysaccharide aus Braunalgen. Chemie Ingenieur Technik. 81(8). 1215–1215.

8.

Bartek, Tobias, et al.. (2009). Analysing overexpression of l-valine biosynthesis genes in pyruvate-dehydrogenase-deficient Corynebacterium glutamicum. Journal of Industrial Microbiology & Biotechnology. 37(3). 263–270. 12 indexed citations

9.

Lang, Siegmund, et al.. (2005). Bioprocess Engineering Data on the Cultivation of Marine Prokaryotes and Fungi. Advances in biochemical engineering, biotechnology. 97. 29–62. 18 indexed citations

10.

Rau, Udo, Stefan Schulz, Victor Wray, et al.. (2004). Formation and analysis of mannosylerythritol lipids secreted by Pseudozyma aphidis. Applied Microbiology and Biotechnology. 66(5). 551–559. 116 indexed citations

11.

Asolkar, Ratnakar N., et al.. (2004). Helquinoline, a New Tetrahydroquinoline Antibiotic from Janibacter limosus Hel 1.. The Journal of Antibiotics. 57(1). 17–23. 86 indexed citations

12.

Lang, Siegmund, et al.. (2004). Improved Production of Bioactive Glucosylmannosyl-Glycerolipid by Sponge-Associated Microbacterium Species. Marine Biotechnology. 6(2). 152–6. 15 indexed citations

13.

Lang, Siegmund. (2003). Surfactants Produced by Microorganisms. 114. 279–315. 3 indexed citations

14.

Philp, James, Maria S. Kuyukina, И. Б. Ившина, et al.. (2002). Alkanotrophic Rhodococcus ruber as a biosurfactant producer. Applied Microbiology and Biotechnology. 59(2-3). 318–324. 73 indexed citations

15.

Lang, Siegmund & Jim Philp. (1998). Surface-active lipids in rhodococci. Antonie van Leeuwenhoek. 74(1-3). 59–70. 166 indexed citations

16.

Yakimov, Michail M., Peter N. Golyshin, Siegmund Lang, et al.. (1998). Alcanivorax borkumensis gen. nov., sp. nov., a new, hydrocarbon-degrading and surfactant-producing marine bacterium. International Journal of Systematic Bacteriology. 48(2). 339–348. 453 indexed citations

17.

Poremba, K., Wilfried Gunkel, Siegmund Lang, & Fritz Wagner. (1991). Marine Biosurfactants, III. Toxicity Testing with Marine Microorganisms and Comparison with Synthetic Surfactants. Zeitschrift für Naturforschung C. 46(3-4). 210–216. 79 indexed citations

18.

Poremba, K., Wilfried Gunkel, Siegmund Lang, & Fritz Wagner. (1991). Toxicity testing of synthetic and biogenic surfactants on marine microorganisms. Environmental Toxicology and Water Quality. 6(2). 157–163. 38 indexed citations

19.

Kim, Jin‐Seog, et al.. (1990). Microbial glycolipid production under nitrogen limitation and resting cell conditions. Journal of Biotechnology. 13(4). 257–266. 45 indexed citations

20.

Bang, Won‐Gi, et al.. (1983). Continuous production of L‐tryptophan from indole and L‐serine by immobilized Escherichia coli cells. Biotechnology and Bioengineering. 25(4). 1013–1025. 22 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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