O. Siggaard Andersen

3.5k total citations · 3 hit papers
18 papers, 2.4k citations indexed

About

O. Siggaard Andersen is a scholar working on Nephrology, Physiology and Bioengineering. According to data from OpenAlex, O. Siggaard Andersen has authored 18 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Nephrology, 4 papers in Physiology and 4 papers in Bioengineering. Recurrent topics in O. Siggaard Andersen's work include Renal function and acid-base balance (10 papers), Analytical Chemistry and Sensors (4 papers) and Spectroscopy Techniques in Biomedical and Chemical Research (3 papers). O. Siggaard Andersen is often cited by papers focused on Renal function and acid-base balance (10 papers), Analytical Chemistry and Sensors (4 papers) and Spectroscopy Techniques in Biomedical and Chemical Research (3 papers). O. Siggaard Andersen collaborates with scholars based in Denmark. O. Siggaard Andersen's co-authors include K. Engel, Poul Astrup and Kirsten Jørgensen and has published in prestigious journals such as The Lancet, Scandinavian Journal of Clinical and Laboratory Investigation and Medical Entomology and Zoology.

In The Last Decade

O. Siggaard Andersen

18 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.

A Micro Method for Determination of pH, Carbon Dioxide Tension, Base Excess and Standard Bicarbonate in Capillary Blood

1960 585 citations O. Siggaard Andersen, K. Engel et al. Scandinavian Journal of Clinical and Laboratory Investigation profile →
THE ACID-BASE METABOLISM

1960 437 citations O. Siggaard Andersen, Kirsten Jørgensen et al. The Lancet profile →
A New Acid-Base Nomogram an Improved Method for the Calculation of the Relevant Blood Acid-Base Data

1960 341 citations O. Siggaard Andersen, K. Engel Scandinavian Journal of Clinical and Laboratory Investigation profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
O. Siggaard Andersen Denmark	15	875	671	387	341	261	18	2.4k
K. Engel Denmark	13	679 0.8×	544 0.8×	301 0.8×	276 0.8×	203 0.8×	42	2.0k
William E. Huckabee United States	21	357 0.4×	371 0.6×	282 0.7×	339 1.0×	224 0.9×	37	2.3k
Robert W. Winters United States	25	671 0.8×	905 1.3×	415 1.1×	371 1.1×	358 1.4×	90	2.8k
Robert F. Pitts United States	31	972 1.1×	640 1.0×	192 0.5×	572 1.7×	217 0.8×	71	2.9k
Floyd C. Rector United States	34	1.1k 1.3×	1.1k 1.7×	436 1.1×	579 1.7×	324 1.2×	63	3.7k
William E. Segar United States	22	631 0.7×	949 1.4×	428 1.1×	297 0.9×	171 0.7×	55	2.0k
Fredrik Kiil Norway	28	802 0.9×	746 1.1×	493 1.3×	460 1.3×	306 1.2×	176	2.9k
O. Munck Denmark	28	419 0.5×	867 1.3×	1.0k 2.7×	326 1.0×	288 1.1×	165	3.7k
Carl W. Gottschalk United States	27	894 1.0×	776 1.2×	218 0.6×	425 1.2×	371 1.4×	44	2.9k
Leo A. Sapirstein United States	17	266 0.3×	315 0.5×	341 0.9×	335 1.0×	146 0.6×	42	2.0k

Countries citing papers authored by O. Siggaard Andersen

Since Specialization

Citations

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

Fields of papers citing papers by O. Siggaard Andersen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by O. Siggaard Andersen. 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 O. Siggaard Andersen. The network helps show where O. Siggaard Andersen may publish in the future.

Co-authorship network of co-authors of O. Siggaard Andersen

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

18 of 18 papers shown

1.

Andersen, O. Siggaard. (1972). Hemoglobin pigments (1) Spectrophotometric determination of cxy-, carboxy-, met-, and sulfhemoglobin in capillary blood. Medical Entomology and Zoology. 42. 85–100. 1 indexed citations

2.

Andersen, O. Siggaard. (1963). Blood Acid-Base Alignment Nomogram: Scales for pH, pCO₂, Base Excess of Whole Blood of Different Hemoglobin Concentrations, Plasma Bicarbonate, and Plasma Total-CO₂. Scandinavian Journal of Clinical and Laboratory Investigation. 15(3). 211–217. 289 indexed citations

3.

Andersen, O. Siggaard. (1962). The first dissociation exponent of carbonic acid as a function of pH. Scandinavian Journal of Clinical and Laboratory Investigation. 14(6). 587–597. 48 indexed citations

4.

Andersen, O. Siggaard, et al.. (1962). Spectrophotometric Determination of Oxygen Saturation in Capillary Blood. Scandinavian Journal of Clinical and Laboratory Investigation. 14(3). 298–302. 68 indexed citations

5.

Andersen, O. Siggaard. (1962). The first dissociation exponent of carbonic acid as a function of pH. Scandinavian Journal of Clinical and Laboratory Investigation. 14(6). 587–597. 57 indexed citations

6.

Andersen, O. Siggaard. (1962). The pH-log pCO₂acid-base nomogram revised. Scandinavian Journal of Clinical and Laboratory Investigation. 14(6). 598–604. 251 indexed citations

7.

Andersen, O. Siggaard, et al.. (1962). Spectrophotometric Determination of Oxygen Saturation in Capillary Blood. Scandinavian Journal of Clinical and Laboratory Investigation. 14(3). 298–302. 60 indexed citations

8.

Andersen, O. Siggaard. (1962). The pH-log pCO2 acid-base nomogram revised. Scandinavian Journal of Clinical and Laboratory Investigation. 14(6). 598–604. 42 indexed citations

9.

Andersen, O. Siggaard. (1961). Factors Affecting the Liouid-Junotion Potential in Electrometric Blood pH Measurement. Scandinavian Journal of Clinical and Laboratory Investigation. 13(2). 205–211. 37 indexed citations

10.

Andersen, O. Siggaard. (1961). Sampling and Storing of Blood for Determination of Acid-Rase Status. Scandinavian Journal of Clinical and Laboratory Investigation. 13(2). 196–204. 79 indexed citations

11.

Andersen, O. Siggaard, et al.. (1961). A Gasometric Apparatus for Direct Reading Determination of Carbon Dioxide Concentration in Gas Mixtures. Scandinavian Journal of Clinical and Laboratory Investigation. 13(2). 349–350. 1 indexed citations

12.

Andersen, O. Siggaard. (1961). Factors Affecting the Liouid-Junotion Potential in Electrometric Blood pH Measurement. Scandinavian Journal of Clinical and Laboratory Investigation. 13(2). 205–211. 34 indexed citations

13.

Andersen, O. Siggaard & Kirsten Jørgensen. (1961). A Gasometric Apparatus for Direct Reading Determination of Carbon Dioxide Concentration in Gas Mixtures. Scandinavian Journal of Clinical and Laboratory Investigation. 13(2). 349–350. 3 indexed citations

14.

Andersen, O. Siggaard. (1961). Sampling and Storing of Blood for Determination of Acid-Rase Status. Scandinavian Journal of Clinical and Laboratory Investigation. 13(2). 196–204. 72 indexed citations

15.

Andersen, O. Siggaard, et al.. (1960). THE ACID-BASE METABOLISM. The Lancet. 275(7133). 1035–1039. 437 indexed citations breakdown →

16.

Andersen, O. Siggaard & K. Engel. (1960). A New Acid-Base Nomogram an Improved Method for the Calculation of the Relevant Blood Acid-Base Data. Scandinavian Journal of Clinical and Laboratory Investigation. 12(2). 177–186. 341 indexed citations breakdown →

17.

Andersen, O. Siggaard. (1960). A Graphic Representation of Changes of the Acid-Base Status. Scandinavian Journal of Clinical and Laboratory Investigation. 12(3). 311–314. 30 indexed citations

18.

Andersen, O. Siggaard, et al.. (1960). A Micro Method for Determination of pH, Carbon Dioxide Tension, Base Excess and Standard Bicarbonate in Capillary Blood. Scandinavian Journal of Clinical and Laboratory Investigation. 12(2). 172–176. 585 indexed citations breakdown →

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.

Explore authors with similar magnitude of impact