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Driessche TV. Circadian Rhythms in Three Unicellular Organisms. The Pecularities of the Organisms, the Evidence Brought on Rhythms and their Specific Practical Problems. Outline of Recent Hypotheses. BIOL RHYTHM RES 2008. [DOI: 10.1080/09291019409360309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Groß I, Hardeland R, Wolf R. Circadian rhythm of tyrosine aminotransferase activity inGonyaulax polyedra. BIOL RHYTHM RES 2008. [DOI: 10.1080/09291019409360274] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Isolde Groß
- a I. Zoologisches Institut , Universität Göttingen , Berliner Str. 28, Göttingen, D‐37073, Germany
| | - Rüdiger Hardeland
- a I. Zoologisches Institut , Universität Göttingen , Berliner Str. 28, Göttingen, D‐37073, Germany
| | - Rupert Wolf
- a I. Zoologisches Institut , Universität Göttingen , Berliner Str. 28, Göttingen, D‐37073, Germany
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Pfleging P, Morawietz G, Hardeland R. Differences in oscillation frequencies between two key enzymes of aromatic amino acid catabolism inEuglena:Circadian rhythmicity of tryptophan 2,3‐dioxygenase vs. predominance of ultradian periods in tyrosine aminotransferase. BIOL RHYTHM RES 2008. [DOI: 10.1080/09291019409360275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | - Gabriela Morawietz
- a Zentrum Physiologie und Pathophysiologie , Universität Göttingen , Humboldtallee 23, Göttingen, D‐37073, Germany
| | - Rüdiger Hardeland
- b I. Zoologisches Institut , Universität Göttingen , Berliner Str. 28, Göttingen, D‐37073, Germany
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Hardeland R. Cosine or non‐sinusoidal fitting as a means of detection of rhythms and determination of period lengths in short biological time series. BIOL RHYTHM RES 2008. [DOI: 10.1080/09291019509360335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Rüdiger Hardeland
- a I. Zoologisches Institut , Universität Göttingen , Berliner Str. 28, Göttingen, D‐37073, Germany
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