Harold J. Helbock

2.5k total citations · 2 hit papers
18 papers, 2.0k citations indexed

About

Harold J. Helbock is a scholar working on Molecular Biology, Pulmonary and Respiratory Medicine and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Harold J. Helbock has authored 18 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Molecular Biology, 7 papers in Pulmonary and Respiratory Medicine and 3 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Harold J. Helbock's work include Neonatal Respiratory Health Research (4 papers), Ion Transport and Channel Regulation (4 papers) and Electrolyte and hormonal disorders (3 papers). Harold J. Helbock is often cited by papers focused on Neonatal Respiratory Health Research (4 papers), Ion Transport and Channel Regulation (4 papers) and Electrolyte and hormonal disorders (3 papers). Harold J. Helbock collaborates with scholars based in United States and United Kingdom. Harold J. Helbock's co-authors include Mark K. Shigenaga, Kenneth B. Beckman, Paul A. Motchnik, Bruce N. Ames, B N Ames, César G. Fraga, R A Jacob, Helen Yeo, Alan Woodall and Patrick B. Walter and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The Journal of Clinical Endocrinology & Metabolism and PEDIATRICS.

In The Last Decade

Harold J. Helbock

18 papers receiving 1.9k citations

Hit Papers

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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.

Ascorbic acid protects against endogenous oxidative DNA damage in human sperm.

1991 577 citations César G. Fraga, Paul A. Motchnik et al. Proceedings of the National Academy of Sciences profile →
DNA oxidation matters: The HPLC–electrochemical detection assay of 8-oxo-deoxyguanosine and 8-oxo-guanine

1998 570 citations Harold J. Helbock, Kenneth B. Beckman et al. Proceedings of the National Academy of Sciences profile →

Peers

Countries citing papers authored by Harold J. Helbock

Since Specialization

Citations

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

Fields of papers citing papers by Harold J. Helbock

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Harold J. Helbock. 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 Harold J. Helbock. The network helps show where Harold J. Helbock may publish in the future.

Co-authorship network of co-authors of Harold J. Helbock

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

All Works

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18 of 18 papers shown

#	Work	Indexed citations
1	8-Hydroxydeoxyguanosine and 8-hydroxyguanine as biomarkers of oxidative DNA damage 1999 ·Methods in enzymology on CD-ROM/Methods in enzymology ·Harold J. Helbock, Kenneth B. Beckman, Bruce N. Ames	181
2	Assay of malondialdehyde and other alkanals in biological fluids by gas chromatography-mass spectrometry 1999 ·Methods in enzymology on CD-ROM/Methods in enzymology ·Helen Yeo, Jiankang Liu, Harold J. Helbock, Bruce N. Ames	30
3	DNA oxidation matters: The HPLC–electrochemical detection assay of 8-oxo-deoxyguanosine and 8-oxo-guanine breakdown → 1998 ·Proceedings of the National Academy of Sciences ·Harold J. Helbock, Kenneth B. Beckman, Mark K. Shigenaga, Patrick B. Walter, Alan Woodall, Helen Yeo, Bruce N. Ames	570
4	N2-methyl-8-oxoguanine: A tRNA urinary metabolite role of xanthine oxidase 1996 ·Free Radical Biology and Medicine ·Harold J. Helbock, (unknown), Helen Yeo, Bruce N. Ames	12
5	Adrenocortical function in the very low birth weight infant: Improved testing sensitivity and association with neonatal outcome 1996 ·The Journal of Pediatrics ·Chris L. de Korte, Dennis M. Styne, T. Allen Merritt, Darrel M. Mayes, (unknown), Harold J. Helbock	108
6	Assay of Malondialdehyde in Biological Fluids by Gas Chromatography-Mass Spectrometry 1994 ·Analytical Biochemistry ·(unknown), Harold J. Helbock, (unknown), B N Ames	122
7	Toxic Hydroperoxides in Intravenous Lipid Emulsions Used in Preterm Infants 1993 ·PEDIATRICS ·Harold J. Helbock, Paul A. Motchnik, Bruce N. Ames	113
8	Glucocorticoid-Responsive Hypotension in Extremely Low Birth Weight Newborns 1993 ·PEDIATRICS ·Harold J. Helbock, Robert M. Insoft, Felix A. Conte	114
9	Reduction of the surface-tension-lowering ability of surfactant after exposure to hypochlorous acid 1993 ·Biochemical Journal ·T. Allen Merritt, J. D. Amirkhanian, Harold J. Helbock, Barry Halliwell, C E Cross	29
10	Ascorbic acid protects against endogenous oxidative DNA damage in human sperm. breakdown → 1991 ·Proceedings of the National Academy of Sciences ·César G. Fraga, Paul A. Motchnik, Mark K. Shigenaga, Harold J. Helbock, R A Jacob, B N Ames	577
11	Patterns of anti-diuretic function in diabetes insipidus caused by histiocytosis X. 1971 ·PubMed ·Harold J. Helbock, William Krivit, Mark E. Nesbit	5
12	Effects of Human Growth Hormone Preparations on Sodium Transport in Isolated Frog Skin 1971 ·The Journal of Clinical Endocrinology & Metabolism ·Harold J. Helbock, (unknown), John W. Reynolds, David M. Brown	5
13	A Clinically Useful Method for Determining Erythrocyte Sodium and Potassium 1971 ·Clinical Chemistry ·Harold J. Helbock, David M. Brown	8
14	Pseudoaldosteronism (Liddle's Syndrome): Evidence for Increased Cell Membrane Permeability to Na+ 1970 ·Pediatric Research ·Harold J. Helbock, John W. Reynolds	7
15	The transport of iron by rat intestine 1967 ·Biochimica et Biophysica Acta (BBA) - Biomembranes ·Harold J. Helbock, Paul Saltman	47
16	A versatile apparatus for membrane transport studies 1967 ·Analytical Biochemistry ·John G. Forte, Harold J. Helbock, Paul Saltman	13
17	The mechanism of calcium transport by rat intestine 1966 ·Biochimica et Biophysica Acta (BBA) - Biophysics including Photosynthesis ·Harold J. Helbock, John G. Forte, Paul Saltman	43
18	An Exploratory Study of Mediational Responses in Anagram Problem Solving 1964 ·The Journal of Psychology ·M. S. Mayzner, M. E. Tresselt, Harold J. Helbock	26

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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