Karl Blau

1.3k total citations · 1 hit paper
23 papers, 987 citations indexed

About

Karl Blau is a scholar working on Molecular Biology, Clinical Biochemistry and Physiology. According to data from OpenAlex, Karl Blau has authored 23 papers receiving a total of 987 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Molecular Biology, 10 papers in Clinical Biochemistry and 5 papers in Physiology. Recurrent topics in Karl Blau's work include Metabolism and Genetic Disorders (8 papers), Metabolomics and Mass Spectrometry Studies (7 papers) and Analytical Chemistry and Chromatography (5 papers). Karl Blau is often cited by papers focused on Metabolism and Genetic Disorders (8 papers), Metabolomics and Mass Spectrometry Studies (7 papers) and Analytical Chemistry and Chromatography (5 papers). Karl Blau collaborates with scholars based in United Kingdom, United States and Qatar. Karl Blau's co-authors include John M. Halket, David J. Edwards, Graham S. King, M. Sandler, Merton Sandler, George K. Summer, Orval Mamer, F. Zambotti, S. Campbell and D. J. Maxwell and has published in prestigious journals such as The Lancet, Analytical Biochemistry and Clinica Chimica Acta.

In The Last Decade

Karl Blau

22 papers receiving 907 citations

Hit Papers

Handbook of derivatives for chromatography 1978 2026 1994 2010 1978 200 400 600
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. Handbook of derivatives for chromatography
    1978 665 citations Karl Blau, John M. Halket Andalas University Repository (Andalas University) profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Karl Blau United Kingdom 12 387 296 175 156 119 23 987
Zenzo Tamura Japan 20 530 1.4× 412 1.4× 161 0.9× 224 1.4× 55 0.5× 104 1.2k
Lorna T. Sniegoski United States 22 269 0.7× 368 1.2× 56 0.3× 108 0.7× 167 1.4× 59 1.3k
Petr Hušek Czechia 21 746 1.9× 670 2.3× 221 1.3× 165 1.1× 177 1.5× 64 1.6k
Janusz Żukowski Poland 19 788 2.0× 353 1.2× 427 2.4× 188 1.2× 107 0.9× 37 1.3k
Masami Makita Japan 20 377 1.0× 500 1.7× 184 1.1× 161 1.0× 76 0.6× 91 1.4k
K. Pfleger Germany 20 430 1.1× 416 1.4× 78 0.4× 276 1.8× 23 0.2× 110 1.4k
A Cailleux France 19 222 0.6× 183 0.6× 175 1.0× 146 0.9× 23 0.2× 44 919
Kazutake Shimada Japan 24 811 2.1× 652 2.2× 127 0.7× 243 1.6× 25 0.2× 103 2.1k
Shinsuke Inagaki Japan 21 413 1.1× 583 2.0× 147 0.8× 83 0.5× 47 0.4× 59 1.1k
G. P. Arsenault United States 20 235 0.6× 427 1.4× 93 0.5× 66 0.4× 20 0.2× 33 1.4k

Countries citing papers authored by Karl Blau

Since Specialization
Citations

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

Fields of papers citing papers by Karl Blau

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karl Blau

This figure shows the co-authorship network connecting the top 25 collaborators of Karl Blau. A scholar is included among the top collaborators of Karl Blau 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 Karl Blau. Karl Blau 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.
Maxwell, D. J., Karl Blau, Robert D. Johnson, & Richard Lilford. (1985). Activities of alkaline phosphatase in first trimester chorion biopsy tissue. Prenatal Diagnosis. 5(4). 283–286. 7 indexed citations
2.
Blau, Karl, et al.. (1983). Amniotic fluid calcium concentration in the prenatal diagnosis of cystic fibrosis. Prenatal Diagnosis. 3(2). 161–163. 2 indexed citations
3.
Blau, Karl, G. Levitt, & David Harvey. (1983). Hyperphenylalaninemia with defective transamination. Clinica Chimica Acta. 132(1). 43–51. 1 indexed citations
4.
Blau, Karl. (1983). Determination of phenylalanine in filter paper blood spots by a simplified automated fluorimetric method without dialysis. Clinica Chimica Acta. 129(2). 197–200. 15 indexed citations
5.
King, Graham S., et al.. (1980). The analysis of hexitols in biological fluid by selected ion monitoring. Journal of Mass Spectrometry. 7(7). 309–313. 18 indexed citations
6.
Blau, Karl, et al.. (1979). Urinary phenylethylamine excretion: Gas chromatographic assay with electron-capture detection of the pentafluorobenzoyl derivative. Journal of Chromatography B Biomedical Sciences and Applications. 163(2). 135–142. 15 indexed citations
7.
King, Graham S., et al.. (1979). The identification of unknown components of electron capture gas chromatographic profiles using gas chromatography mass spectrometry. Journal of Mass Spectrometry. 6(11). 482–484. 1 indexed citations
8.
Blau, Karl & John M. Halket. (1978). Handbook of derivatives for chromatography. Andalas University Repository (Andalas University). 665 indexed citations breakdown →
9.
10.
Blau, Karl, et al.. (1978). EXOCRINE-GLAND FUNCTION AND THE BASIC BIOCHEMICAL DEFECT IN CYSTIC FIBROSIS. The Lancet. 312(8086). 405–407. 12 indexed citations
11.
Zambotti, F., Karl Blau, Graham S. King, S. Campbell, & M. Sandler. (1975). Monoamine metabolites and related compounds in human amniotic fluid: Assay by gas chromatography and gas chromatography-mass spectrometry. Clinica Chimica Acta. 61(3). 247–256. 19 indexed citations
12.
Blau, Karl. (1975). Colour stabilization of stained phospholipid spots in the determination of the amniotic fluid lecithin/sphingomyelin ratio. Clinica Chimica Acta. 64(2). 217–218. 2 indexed citations
13.
Blau, Karl. (1973). An automated fluorometric method for the determination of 5-hydroxytryptamine in extracts from biological materials. Analytical Biochemistry. 52(1). 314–317. 4 indexed citations
14.
Blau, Karl, et al.. (1973). Phenylalanine loading and aromatic acid excretion in normal subjects and heterozygotes for phenylketonuria. Clinica Chimica Acta. 45(3). 197–205. 25 indexed citations
15.
Edwards, David J. & Karl Blau. (1973). Phenethylamines in brain and liver of rats with experimentally induced phenylketonuria-like characteristics. Biochemical Journal. 132(1). 95–100. 49 indexed citations
16.
Blau, Karl. (1972). Increased mannitol excretion in controlled hereditary galactosemia. Clinica Chimica Acta. 38(2). 441–445. 10 indexed citations
17.
Edwards, David J. & Karl Blau. (1972). Aromatic acids derived from phenylalanine in the tissues of rats with experimentally induced phenylketonuria-like characteristics. Biochemical Journal. 130(2). 495–503. 31 indexed citations
18.
Edwards, David J. & Karl Blau. (1971). A semiautomated kinetic assay of phenylalanine 4-hydroxylase. Biochemical Medicine. 5(5). 457–463. 1 indexed citations
19.
Blau, Karl & David J. Edwards. (1971). A modified automated fluorometric method for the determination of tyrosine in blood and tissues, and its specificity. Biochemical Medicine. 5(4). 333–341. 4 indexed citations
20.
Blau, Karl. (1970). Aromatic acid excretion in phenylketonuria analysis of the unconjugated aromatic acids derived from phenylalanine. Clinica Chimica Acta. 27(1). 5–18. 45 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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