Ronald Kempers

Symplasmic connections between sieve element and companion cell in the stem phloem ofVicia faba L. have a molecular exclusion limit of at least 10 kDa

Ronald Kempers, Aart J. E. van Bel · Planta · 1997 · 125 citations

Life Sciences, Plant Biology, Plant Sciences +14

Symplasmic Constriction and Ultrastructural Features of the Sieve Element/Companion Cell Complex in the Transport Phloem of Apoplasmically and Symplasmically Phloem-Loading Species1

Ronald Kempers, Ankie Ammerlaan, Aart J. E. van Bel · PLANT PHYSIOLOGY · 1998 · 117 citations · Full text

Life Sciences, Plant Biology, Plant Sciences +15

Plasmodesmata between sieve element and companion cell of extrafascicular stem phloem of <i>Cucurbita maxima</i> permit passage of 3 kDa fluorescent probes

Ronald Kempers, D. A. M. Prior, Aart J. E. van Bel et al. · The Plant Journal · 1993 · 83 citations

Life Sciences, Botany, Plant Biology +15

Symplastic isolation of the sieve element-companion cell complex in the phloem of Ricinus communis and Salix alba stems

Aart J. E. van Bel, Ronald Kempers · Planta · 1991 · 62 citations

Life Sciences, Botany, Plant Biology +13

A SARS-CoV-2 Wuhan spike virosome vaccine induces superior neutralization breadth compared to one using the Beta spike

Yme U. van der Velden, Marloes Grobben, Tom G. Caniels et al. · Scientific Reports · 2022 · 23 citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +16