Irwin W. Sizer

9.4k total citations · 2 hit papers
40 papers, 7.5k citations indexed

About

Irwin W. Sizer is a scholar working on Molecular Biology, Biochemistry and Plant Science. According to data from OpenAlex, Irwin W. Sizer has authored 40 papers receiving a total of 7.5k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Molecular Biology, 6 papers in Biochemistry and 5 papers in Plant Science. Recurrent topics in Irwin W. Sizer's work include Enzyme function and inhibition (6 papers), Amino Acid Enzymes and Metabolism (5 papers) and Biochemical and Molecular Research (4 papers). Irwin W. Sizer is often cited by papers focused on Enzyme function and inhibition (6 papers), Amino Acid Enzymes and Metabolism (5 papers) and Biochemical and Molecular Research (4 papers). Irwin W. Sizer collaborates with scholars based in United States. Irwin W. Sizer's co-authors include Roland F. Beers, W. Terry Jenkins, David A. Yphantis, Rebecca Gordon, J.C. Robinson, Leonard Keay, Richard S. Gordon, Brian Goodwin, Athanasios E. Evangelopoulos and B. C. Goodwin and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Irwin W. Sizer

38 papers receiving 6.9k 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 SPECTROPHOTOMETRIC METHOD FOR MEASURING THE BREAKDOWN OF HYDROGEN PEROXIDE BY CATALASE

1952 6.0k citations Roland F. Beers, Irwin W. Sizer Journal of Biological Chemistry profile →
The Oxidation of Tyramine, Tyrosine, and Related Compounds by Peroxidase

1959 318 citations Irwin W. Sizer et al. Journal of Biological Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Irwin W. Sizer United States	19	2.9k	1.8k	799	727	664	40	7.5k
Roland F. Beers United States	20	2.7k 1.0×	1.8k 1.0×	663 0.8×	737 1.0×	288 0.4×	51	7.2k
Kunio Yagi Japan	35	3.3k 1.2×	1.3k 0.7×	881 1.1×	495 0.7×	1.2k 1.8×	321	8.6k
Olga Duron United States	6	1.3k 0.4×	947 0.5×	910 1.1×	627 0.9×	434 0.7×	8	6.3k
J Sedlák Slovakia	7	1.8k 0.6×	1.2k 0.7×	785 1.0×	905 1.2×	546 0.8×	16	7.2k
Russell Hilf United States	40	3.4k 1.2×	667 0.4×	696 0.9×	647 0.9×	682 1.0×	214	9.5k
Shmuel Shaltiel Israel	35	3.8k 1.3×	764 0.4×	1.2k 1.5×	588 0.8×	568 0.9×	109	9.2k
Morimitsu Nishikimi Japan	36	2.9k 1.0×	1.4k 0.8×	555 0.7×	592 0.8×	367 0.6×	138	7.7k
Barbara M. Kelly United States	6	1.3k 0.5×	997 0.6×	850 1.1×	649 0.9×	447 0.7×	8	6.4k
N. Appaji Rao India	24	1.5k 0.5×	1.2k 0.7×	298 0.4×	422 0.6×	536 0.8×	118	5.3k
Wolfgang A. Günzler Germany	18	2.1k 0.7×	940 0.5×	821 1.0×	1.0k 1.4×	561 0.8×	30	7.7k

Countries citing papers authored by Irwin W. Sizer

Since Specialization

Citations

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

Fields of papers citing papers by Irwin W. Sizer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Irwin W. Sizer. 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 Irwin W. Sizer. The network helps show where Irwin W. Sizer may publish in the future.

Co-authorship network of co-authors of Irwin W. Sizer

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

All Works

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20 of 20 papers shown

1.

Sizer, Irwin W.. (1980). Science, Technology, and the Quality of Life: A Challenge to Education.. 3(2). 21–24.

2.

Goodwin, B. C. & Irwin W. Sizer. (1965). Histone Regulation of Lactic Dehydrogenase in Embryonic Chick Brain Tissue. Science. 148(3667). 242–244. 28 indexed citations

3.

Evangelopoulos, Athanasios E. & Irwin W. Sizer. (1965). Binding sites in the active center of glutamic-aspartic transaminase. Cellular and Molecular Life Sciences. 21(10). 576–576. 3 indexed citations

4.

Goodwin, Brian & Irwin W. Sizer. (1965). Effects of spinal cord and substrate on acetylcholinesterase in chick embryonic skeletal muscle. Developmental Biology. 11(1). 136–153. 39 indexed citations

5.

Robinson, J.C., et al.. (1962). l-α-Hydroxy Acid Oxidases of Hog Renal Cortex. Journal of Biological Chemistry. 237(6). 2001–2010. 88 indexed citations

6.

Sizer, Irwin W. & Harry N. Antoniades. (1962). Hormones in Human Plasma: Nature and Transport. AIBS Bulletin. 12(1). 42–42. 11 indexed citations

7.

Jenkins, W. Terry & Irwin W. Sizer. (1960). Glutamic Aspartic Transaminase. Journal of Biological Chemistry. 235(3). 620–624. 72 indexed citations

8.

Sizer, Irwin W., et al.. (1960). Oxidation of l-α-amino acids by chicken liver microsomes. Archives of Biochemistry and Biophysics. 90(1). 22–30. 27 indexed citations

9.

Jenkins, W. Terry & Irwin W. Sizer. (1959). Glutamic Aspartic Transaminase. Journal of Biological Chemistry. 234(5). 1179–1181. 75 indexed citations

10.

Jenkins, W. Terry, et al.. (1959). Glutamic Aspartic Transaminase. Journal of Biological Chemistry. 234(10). 2657–2660. 28 indexed citations

11.

Sizer, Irwin W.. (1957). Chemical Aspects of Enzyme Inhibition. Science. 125(3237). 54–59. 7 indexed citations

12.

Gordon, Rebecca & Irwin W. Sizer. (1954). Nutritional equivalence of methionine hydroxy analogue (MHA) and methionine for growth.. 13. 58–59. 6 indexed citations

13.

Beers, Roland F. & Irwin W. Sizer. (1954). Sulfide Inhibition of Catalase. Science. 120(3105). 32–33. 25 indexed citations

14.

Sizer, Irwin W.. (1953). THE INACTIVATION OF INVERTASE BY PEROXIDASE. Journal of Biological Chemistry. 204(2). 605–611. 3 indexed citations

15.

Beers, Roland F. & Irwin W. Sizer. (1953). Catalase Assay with Special Reference to Manometric Methods. Science. 117(3052). 710–712. 4 indexed citations

16.

Gallop, Paul M. & Irwin W. Sizer. (1953). A Quartz Crystal with Tyndall Effect as a Secondary Light Scattering Standard. Review of Scientific Instruments. 24(5). 399–399. 1 indexed citations

17.

Beers, Roland F. & Irwin W. Sizer. (1952). A SPECTROPHOTOMETRIC METHOD FOR MEASURING THE BREAKDOWN OF HYDROGEN PEROXIDE BY CATALASE. Journal of Biological Chemistry. 195(1). 133–140. 5950 indexed citations breakdown →

18.

Sizer, Irwin W.. (1952). The Inhibition of Blood Clotting in Vitro and in Vivo by Tyrosinase. Science. 116(3011). 275–276. 5 indexed citations

19.

Sizer, Irwin W., et al.. (1951). THE INACTIVATION OF INVERTASE BY TYROSINASE. Journal of Biological Chemistry. 188(1). 351–359. 11 indexed citations

20.

Sizer, Irwin W., et al.. (1951). THE ACTION OF TYROSINASE ON THROMBIN, FIBRINOGEN, AND FIBRIN. Journal of Biological Chemistry. 192(1). 213–221. 26 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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