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- Publications
- Influence
Trace Metals in Mesozooplankton of the North Sea: Concentrations in Different Taxa and Preliminary Results on Bioaccumulation in Copepod Collectives (Calanus finmarchicus/C. helgolandicus)
Trace metals (Cd, Cu, Zn, Pb, Ni) were determined in different zooplankton taxa to assess their role in the biogeochemical cycle in the North Sea. Results of semi-static bioaccumulation experiments… Expand
Absolute Konfiguration von α‐Doradexanthin und von Fritschiellaxanthin, einem neuen Carotinoid aus Fritschiella tuberosa IYENG
- R. Buchecker, C. Eugster, A. Weber
- Chemistry
- 20 September 1978
Absolute Configuration of α-Doradexanthin and of Fritschiellaxanthin, a New Carotenoid from Fritschiella tuberosa IYENG.
Fritschiellaxanthin, a new oxocarotenoid produced by the green alga… Expand
Chlorophylle und Carotinoide der Chaetophorineae (Chlorophyceae; Ulotrichales)
- A. Weber
- Chemistry, Biology
- Archives of Microbiology
- 2004
In air-supplied inorganic liquid cultures, the highly differentiated green alga Fritschiella tuberosa forms only branched filaments with long slender cells. In nitrogen-deficient medium and with… Expand
Chlorophylle und Carotinoide der Chaetophorineae (Chlorophyceae, Ulotrichales)
SummaryIn the forthcoming series of papers we are going to investigate the chlorophylls and carotenoids of the members of the subordo Chaetophorineae (ordo: Ulotrichales). Three strains of… Expand
Der Einfluß von Kinetin auf das Wachstum von Fritschiella tuberosaIyeng. (Chaetophorineae, Chlorophyceae) in axenischer Massenkultur
- M. Melkonian, A. Weber
- Biology
- 1 September 1975
Summary 1. Using antibiotics axenic cultures of Fritschiella tuberosa were obtained. In contrast to previous methods incubation with antibiotics was performed in darkness, the incubation medium and… Expand
Über die Anreicherung von Blei durch Süßwassergrünalgen unter Berücksichtigung verschiedener Außenfaktoren
Summary Accumulation of lead by two species of green algae was analyzed. The species investigated were Fritschiella tuberosa as well as a wild strain and a cell wall-free mutant of Chlamydomonas… Expand
Die pigmente von Cyanophora paradoxa, Gloeochaete wittrockiana und Glaucocystis nostochinearum
- B. Schmidt, L. Kies, A. Weber
- Biology
- 1979
Summary The pigment composition of three endocyanomes, Cyanophora paradoxa, Glaucocystis nostochinearum and for the first time Gloeochaete wittrockiana has been investigated. All three have a similar… Expand