R. J. Helder

659 total citations
22 papers, 472 citations indexed

About

R. J. Helder is a scholar working on Plant Science, Molecular Biology and Physiology. According to data from OpenAlex, R. J. Helder has authored 22 papers receiving a total of 472 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Plant Science, 6 papers in Molecular Biology and 3 papers in Physiology. Recurrent topics in R. J. Helder's work include Plant Stress Responses and Tolerance (6 papers), Plant Physiology and Cultivation Studies (5 papers) and Photosynthetic Processes and Mechanisms (5 papers). R. J. Helder is often cited by papers focused on Plant Stress Responses and Tolerance (6 papers), Plant Physiology and Cultivation Studies (5 papers) and Photosynthetic Processes and Mechanisms (5 papers). R. J. Helder collaborates with scholars based in Netherlands. R. J. Helder's co-authors include Pieter E. Zanstra, J. Snel, H. B. A. Prins, W. H. Arisz, J. T. Boerma, Hidde B. A. Prins, Marten Staal, Mark van Harmelen, Harland S. Winter and J. M. Bonga and has published in prestigious journals such as PLANT PHYSIOLOGY, Journal of Experimental Botany and Plant Cell & Environment.

In The Last Decade

R. J. Helder

20 papers receiving 408 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R. J. Helder Netherlands	10	276	124	99	68	63	22	472
J. Kolbowski Germany	7	127 0.5×	159 1.3×	87 0.9×	63 0.9×	32 0.5×	9	311
Jan‐Eric Tillberg Sweden	14	257 0.9×	161 1.3×	69 0.7×	115 1.7×	49 0.8×	33	523
Hidde B. A. Prins Netherlands	18	773 2.8×	400 3.2×	137 1.4×	101 1.5×	55 0.9×	30	1.1k
Andr� L�uchli United States	14	592 2.1×	131 1.1×	46 0.5×	24 0.4×	17 0.3×	22	734
Marie‐Louise Champigny France	10	427 1.5×	310 2.5×	46 0.5×	32 0.5×	45 0.7×	16	673
Gabriel P. Holbrook United States	12	162 0.6×	217 1.8×	70 0.7×	102 1.5×	17 0.3×	24	435
Richard Biebl Austria	16	295 1.1×	61 0.5×	260 2.6×	37 0.5×	25 0.4×	53	754
Stein Nilsen Norway	13	261 0.9×	150 1.2×	30 0.3×	88 1.3×	36 0.6×	29	393
Tomoyoshi Ikawa Japan	18	150 0.5×	238 1.9×	257 2.6×	284 4.2×	60 1.0×	40	701
Anne Mortain‐Bertrand France	14	333 1.2×	336 2.7×	243 2.5×	194 2.9×	75 1.2×	16	721

Countries citing papers authored by R. J. Helder

Since Specialization

Citations

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

Fields of papers citing papers by R. J. Helder

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of R. J. Helder

This figure shows the co-authorship network connecting the top 25 collaborators of R. J. Helder. A scholar is included among the top collaborators of R. J. Helder 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 R. J. Helder. R. J. Helder 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

Helder, R. J.. (1988). A quantitative approach to the inorganic carbon system in aqueous media used in biological research: dilute solutions isolated from the atmosphere. Plant Cell & Environment. 11(4). 211–230. 30 indexed citations

Staal, Marten, H. B. A. Prins, Mark van Harmelen, & R. J. Helder. (1988). The isolation of leaf protoplasts from the submerged aquatic angiosperm Potamogeton lucens L.. Plant Cell & Environment. 11(8). 715–719. 8 indexed citations

Helder, R. J.. (1985). Diffusion of inorganic carbon across an unstirred layer: a simplified quantitative approach. Plant Cell & Environment. 8(6). 399–408. 17 indexed citations

Prins, H. B. A., J. Snel, Pieter E. Zanstra, & R. J. Helder. (1982). The mechanism of bicarbonate assimilation by the polar leaves of Potamogeton and Elodea. CO2 concentrations at the leaf surface. Plant Cell & Environment. 5(3). 207–214. 1 indexed citations

Winter, Harland S., et al.. (1982). Light‐dependent rubidium uptake into isolated mesophyll protoplasts from leaves of Pisum sativum. Physiologia Plantarum. 56(3). 339–342. 6 indexed citations

Prins, H. B. A., J. Snel, Pieter E. Zanstra, & R. J. Helder. (1982). The mechanism of bicarbonate assimilation by the polar leaves of Potamogeton and Elodea. CO₂ concentrations at the leaf surface. Plant Cell & Environment. 5(3). 207–214. 105 indexed citations

Helder, R. J., et al.. (1982). CARBON ASSIMILATION PATTERN IN THE SUBMERGED LEAVES OF THE AQUATIC ANGIOSPERM: VALLISNERIA SPIRALIS L.. Acta Botanica Neerlandica. 31(4). 281–295. 14 indexed citations

Prins, Hidde B. A., J. Snel, R. J. Helder, & Pieter E. Zanstra. (1980). Photosynthetic HCO₃⁻ Utilization and OH⁻ Excretion in Aquatic Angiosperms. PLANT PHYSIOLOGY. 66(5). 818–822. 74 indexed citations

Prins, H. B. A. & R. J. Helder. (1979). Photosynthetic use of HCO3(-) by Potamogeton and Elodea. PLANT PHYSIOLOGY. 63(5). 61–61. 2 indexed citations

10.

Prins, H. B. A., J. Snel, R. J. Helder, & Pieter E. Zanstra. (1979). Photosynthetic bicarbonate utilization in the aquatic angiospermsPotamogeton andElodea. Aquatic Ecology. 13(2-3). 106–111. 21 indexed citations

11.

Helder, R. J. & Pieter E. Zanstra. (1977). Changes of PH at upper and lower surface of bicarbonate assimilating leaves of Potamogeton lucens L.. Data Archiving and Networked Services (DANS). 80(5). 7 indexed citations

12.

Helder, R. J.. (1975). Flux ratios and concentration ratios in relation to electrical potential differences and transport of rubidium ions across leaf of Potamogeton lucens L.. Data Archiving and Networked Services (DANS). 78(4). 376–388. 3 indexed citations

13.

Helder, R. J.. (1975). Polar potassium: Transport and electrical potential difference across leaf of Potamogeton lucens L.. Data Archiving and Networked Services (DANS). 78(2). 5 indexed citations

14.

Helder, R. J. & J. T. Boerma. (1973). EXCHANGE AND POLAR TRANSPORT OF RUBIDIUM IONS ACROSS THE LEAVES OF POTAMOGETON. Acta Botanica Neerlandica. 22(6). 686–693. 8 indexed citations

15.

Helder, R. J. & J. T. Boerma. (1972). POLAR TRANSPORT OF LABELLED RUBIDIUM IONS ACROSS THE LEAF OF POTAMOGETON LUCENS. Acta Botanica Neerlandica. 21(3). 211–218. 7 indexed citations

16.

Helder, R. J.. (1958). STUDIES ON THE ABSORPTION, DISTRIBUTION AND RELEASE OF LABELLED RUBIDIUM IONS IN YOUNG INTACT BARLEY PLANTS. Acta Botanica Neerlandica. 7(2). 235–249. 24 indexed citations

17.

Helder, R. J.. (1957). Exchange and circulation of labelled ions in young imtact plants. The International Journal of Applied Radiation and Isotopes. 2(3-4). 231–231. 1 indexed citations

18.

Helder, R. J. & J. M. Bonga. (1956). THE INFLUENCE OF LIGHT ON THE LOSS OF LABELLED PHOSPHORUS FROM BEAN LEAVES. Acta Botanica Neerlandica. 5(1). 115–121. 2 indexed citations

19.

Helder, R. J.. (1952). ANALYSIS OF THE PROCESS OF ANION UPTAKE OF INTACT MAIZE PLANTS. Acta Botanica Neerlandica. 1(3). 361–434. 35 indexed citations

20.

Arisz, W. H., et al.. (1951). Analysis of the Exudation Process in Tomato Plants. Journal of Experimental Botany. 2(3). 257–297. 73 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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