Helgi Öpik - Concepedia

Author

Helgi Öpik

Swansea University

Also Known As

H Öpik, H. OPIK, H. OPik, H. Opik, H. ÖPIK, H. Öpik, HELGI OPIK, HELGI ÖPIK, Helgi Opik, Helgi Öpik

Publications

1.2K

Citations

H-Index

Concepts

All Affiliations

Swansea University Xunta de Galicia University of Wales Instituto de Investigacións Mariñas University College of the North

HÖ

About

Helgi Öpik is an author at Swansea University specializing in medicine, biology, and plant physiology.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Medicine	10	10	495
2	Engineering	5	5	324
3	Natural Sciences	4	4	87
4	Biochemistry	3	3	88
5	Health Sciences	2	2	119

Helgi Öpik

Publications

748

Citations

H-Index

Page 1

	Year	Citations
Development of Cotyledon Cell Structure in Ripening<i>Phaseolus vulgaris</i>Seeds Helgi Öpik Journal of Experimental Botany EngineeringBotanyGeneticsPlant BiochemistryCotyledon Cell Structure	1968	125
Changes in Cell Fine Structure in the Cotyledons of<i>Phaseolus vulgaris</i>L. during Germination Helgi Öpik Journal of Experimental Botany EngineeringBotanyGeneticsPhaseolus Vulgaris L.Plant Development	1966	116
Effect of anaerobiosis on respiratory rate, cytochrome oxidase activity and mitochondrial structures in coleoptiles of rice (<i>oryza sativa</i> l.) Helgi Öpik Journal of Cell Science BotanyCytochrome Oxidase ActivityMitochondrial BiologyOxidative StressPlant Development	1973	75
Localization of the Alkaline Phosphatase and 5'-Nucleotidase Activities of the Diatom Phaeodactylum tricornutum Kevin J. Flynn, Helgi Öpik, P. J. Syrett Microbiology	1986	74
Respiration Rate, Mitochondrial Activity and Mitochondrial Structure in the Cotyledons of<i>Phaseolus vulgaris</i>L. during Germination Helgi Öpik Journal of Experimental Botany BotanyMitochondrial ActivityCellular PhysiologyOxidative StressPlant Development	1965	44
Salt-Induced Ultrastructural Damage to Mitochondria in Root Tips of a Salt-Sensitive Ecotype of<i>Agrostis Stolonifera</i> M. M. Smith, Martin J. Hodson, Helgi Öpik, Journal of Experimental Botany	1982	41
Changes in fatty acids, amino acids and carbon/nitrogen biomass during nitrogen starvation of ammonium- and nitrate-grownIsochrysis galbana Kevin J. Flynn, José L. Garrido, M. Zapata, Journal of Applied Phycology Fatty AcidsNitrogen StarvationNutrient CycleNitrate-grownisochrysis GalbanaNutrient Stoichiometry	1992	38
Water Content and Respiration Rate of Bean Cotyledons Helgi Öpik, E. W. SIMON Journal of Experimental Botany BiologyPlant-abiotic InteractionBotanyRespiration RateManchester Search	1963	35
The digestive process of the dinoflagellate, <i>Oxyrrhis marina</i> Dujardin, feeding on the chlorophyte, <i>Dunaliella primolecta</i> Butcher: a combined study of ultrastructure and free amino acids Helgi Öpik, Kevin J. Flynn New Phytologist Digestive ProcessEngineeringMicrobial PhysiologyAquatic Food SystemUnicellular Organism	1989	34
Changes in carbon and nitrogen physiology during ammonium and nitrate nutrition and nitrogen starvation in<i>Isochrysis galbana</i> Kevin J. Flynn, M. Zapata, José L. Garrido, European Journal of Phycology	1993	31

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