John C. Speck

5.5k citations

16 papers · 4.9k indexed · 1 hit paper · h-index 11

Impact in

Hematology top 1%
- Blood Coagulation and Thrombosis Mechanisms
- Platelet Disorders and Treatments
Immunology and Allergy top 2%
- Cell Adhesion Molecules Research

Papers in

Clinical Biochemistry 3
- Metabolism and Genetic Disorders 3
Biochemistry 3
- Amino Acid Enzymes and Metabolism 2

Co-authors: Pamela J. Fraker P J Fraker Sarah Shefer G. Stephen Tint B. Dayal G Salen B.L. Horecker J. Louis Cohen
Journals: Journal of the American Chemical Society (4 papers)Analytical Chemistry (2 papers)Steroids (2 papers)Journal of Lipid Research (1 paper)Journal of Biological Chemistry (1 paper)
Partner nations: United States

In The Last Decade

John C. Speck

16 papers receiving 4.5k citations

Hit Papers

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Protein and cell membrane iodinations with a sparingly soluble chloroamide, 1,3,4,6-tetrachloro-3a,6a-diphenylglycoluril 1978 · 4.3k citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1978 Biochemical and Biophysical Research Communications

Peers

Countries citing papers authored by John C. Speck

Since Specialization

Citations

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

Fields of papers citing papers by John C. Speck

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John C. Speck. 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 John C. Speck. The network helps show where John C. Speck may publish in the future.

Co-authorship network

The 23 scholars most cited alongside John C. Speck, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John C. Speck Line = papers co-authored together John C. Speck links everyone, so they are left out of the graph.

All Works

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16 of 16 papers shown

#	Work
1	Ursodeoxycholic acid treatment of bile reflux gastritis Gastroenterology ·Chowalur Dev Chacko, G. Stephen Tint, John C. Speck, Sarah Shefer, Gerald Salen	1985	43
2	Lethal atherosclerosis associated with abnormal plasma and tissue sterol composition in sitosterolemia with xanthomatosis. Journal of Lipid Research ·G Salen, Ivan D. Horak, Michael M. Rothkopf, J. Louis Cohen, John C. Speck, G. Stephen Tint, Virgie G. Shore, B. Dayal, Tai C. Chen, Sarah Shefer	1985	179
3	Identification of 5α-stanols in patients with sitosterolemia and xanthomatosis: stereochemistry of the protonolysis of steroidal organoboranes. Steroids ·B. Dayal, G S Tint, A K Batta, John C. Speck, Avedis K. Khachadurian, Sarah Shefer, G Salen	1982	20
4	p-Toluenesulfonic acid/methanol: Mild reagent for the preparation of bile acid methyl esters Steroids ·B. Dayal, John C. Speck, Edward S. Bagan, G S Tint, Gerald Salen	1981	25
5	Protein and cell membrane iodinations with a sparingly soluble chloroamide, 1,3,4,6-tetrachloro-3a,6a-diphenylglycoluril Biochemical and Biophysical Research Communications ·Pamela J. Fraker, John C. Speck Hit paper breakdown →	1978	4295
6	PROTEIN AND CELL MEMBRANE IODINATION WITH A SPARINGLY SOLUBLE CHLOROAMIDE P J Fraker, John C. Speck	1978	67
7	Turkey Egg White Lysozyme Journal of Biological Chemistry ·M. L. Marcaccio, John C. Speck	1970	54
8	A convenient method for isolating the disaccharide and the tetrasaccharide in muramidase digests of Micrococcus lysodeikticus cell walls Analytical Biochemistry ·John C. Speck, Rafael A. Guerrero-Moreno	1967	7
9	Methyl 6-S-Methyl-6-thiohexopyranosides. Effect of the Methylthio Group at C-6 on Rates of Enzymic and Nonenzymic Hydrolysis¹ The Journal of Organic Chemistry ·A. von Rosen, John P. Riehm, John C. Speck	1966	2
10	Neighboring Group Participation in Acetal Hydrolysis¹ Journal of the American Chemical Society ·John C. Speck, Rafael A. Guerrero-Moreno, A.S. Zikova	1965	6
11	The Acetaldehyde-2-Deoxy-D-ribose 5-Phosphate Aldolase Complex: Comparison of the Product Obtained on Borohydride Reduction and Hydrolysis with Synthetic N⁶-Ethyllysine Journal of the American Chemical Society ·O M Rosen, Patricia A. Hoffee, B.L. Horecker, John C. Speck	1964	17
12	Identity of Synthetic N⁶-β-Glyceryllysine and the C¹⁴-Labeled Amino Acid Obtained on Sodium Borohydride Reduction and Hydrolysis of a Complex from C¹⁴-Fructose 6-Phosphate-Transaldolase Interaction Journal of the American Chemical Society ·John C. Speck, P T Rowley, B.L. Horecker	1963	46
13	The Lobry De Bruyn-Alberda Van Ekenstein Transformation John C. Speck	1958	161
14	Kinetics of the Amino Acid-catalyzed Dealdolization of Diacetone Alcohol¹ Journal of the American Chemical Society ·John C. Speck, Arlington A. Forist	1957	5
15	Ceriometric Determination of Sugars Analytical Chemistry ·Arlington A. Forist, John C. Speck	1955	8
16	Determination of Hydroxymethyl Groups in 1,2-Glycols and Related Substances Analytical Chemistry ·John C. Speck, Arlington A. Forist	1954	11

About John C. Speck

John C. Speck is a scholar working on Clinical Biochemistry, Biochemistry, Gastroenterology, Biotechnology and Spectroscopy, having authored 16 papers that have together received 4.9k indexed citations. Recurring topics across this work include Enzyme Structure and Function (4 papers), Metabolism and Genetic Disorders (3 papers), Amino Acid Enzymes and Metabolism (2 papers), Gastroesophageal reflux and treatments (2 papers), Analytical Chemistry and Chromatography (2 papers), Cholesterol and Lipid Metabolism (2 papers), Enzyme Production and Characterization (2 papers) and Vanadium and Halogenation Chemistry (1 paper). The work is most often cited by research in Hematology (737 citations), Immunology and Allergy (357 citations), Radiology, Nuclear Medicine and Imaging (1.2k citations), Immunology (991 citations) and Molecular Biology (1.9k citations). John C. Speck has collaborated with scholars based in United States. Frequent co-authors include Pamela J. Fraker, P J Fraker, Sarah Shefer, G. Stephen Tint, B. Dayal, G Salen, B.L. Horecker, J. Louis Cohen, Michael M. Rothkopf and Virgie G. Shore. Their work appears in journals such as Journal of the American Chemical Society, Analytical Chemistry, Steroids, Journal of Lipid Research and Journal of Biological Chemistry.

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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