Thermoreversible Gele auf Polysaccharidbasis (Übersichtsartikel)

Dawydoff, W.; Linow, K.‐J.; Philipp, B.

doi:10.1002/food.19840280308

Cited by 7 publications

(3 citation statements)

References 88 publications

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“…Haswell was not able to homologize it with any structure found in any other animal. The present study shows that it is homologous with the archenteron of other animals, as had been suggested by Dawydoff (1928). The evidence for this conclusion is as follows :-The endoccele arises in that layer which produces both the reproductive organs and excretory cells.…”

Section: : D \ Va'supporting

confidence: 87%

Studies on the Temnocephaloidea.–II. The Embryology of Caridi‐nicola indica

Fernando¹

1934

Proceedings of the Zoological Society of London

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Summary. Segmentation is irregular, and results in a syncytial blastoderm in which are found micronuclei and macronuclei. The micronuclei represent ectoderm, the macronuclei the endoderm. The endodermal nuclei are situated more posteriorly. A cavity appears in the endodermal mass. It is the endocœle which becomes very large. The other endodermal cells arrange themselves at the sides of the endocœle, and a few remain ventral to it. Three regions are differentiated in the ectodermal mass–an anterior group forms the brain and nerves; a middle group gives rise to the pharynx; and a posterior group, which lies ventral to the endocœle and gives rise to muscles, the parenchyma, and the outer ectodermal epithelium. The endocœle divides into two–a posterior part disappears among the yolk‐mass, while the anterior past unites with the pharynx and opens into it. The alimentary canal consists of a pharynx, œsophagus, and intestine. The pharynx differentiates from the middle ectodermal mass; the cesophagus is the persistent anterior section of the endocœle; the intestine develops from cells proliferated from the posterior wall of the œophagus (persistent section of endocœle). The endoccele is homologous with the archenteron of other animals. The germariurn is differentiated from the median, ventral endodermal mass, the testes from the lateral endodermal masses; the genital ducts are formed partly of ectoderm and partly of endoderm.

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Section: : D \ Va'supporting

confidence: 87%

Studies on the Temnocephaloidea.–II. The Embryology of Caridi‐nicola indica

Fernando¹

1934

Proceedings of the Zoological Society of London

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“…The picture sketched above somewhat resembles formation of thermoreversible gels, which has been studied extensively [1,57,58]. It is generally acknowledged to be a two-step process of initial creation of small macromolecular aggregates and subsequent further aggregation of these molecular clusters.…”

Section: Network Formation Induced By Trivalent Star-like Tam Countermentioning

confidence: 99%

Probing How Counterion Structure and Dynamics Determine Polyelectrolyte Solutions Using EPR Spectroscopy

2009

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In this review article, we describe how methods of electron paramagnetic resonance (EPR) spectroscopy were used to investigate polyion-counterion interactions in polyelectrolyte solutions. This subject is usually treated experimentally by light, X-ray, or neutron scattering techniques. It is shown that a large arsenal of EPR spectroscopic methods-from various sophisticated methods of line shape analysis of continuous-wave EPR, via electron spin echo envelope modulation, nanoscale distance measurements through double electron-electron resonance to high-field pulse EPR-can be used to characterize the intrinsically complicated structures formed in polyelectrolyte solutions. We show that even polymer physical models such as scaling relations can be tested in this way. The distinguishing feature with respect to the numerous scattering studies in this area is that EPR techniques are local methods, and by employing spin-carrying (i.e., EPR-active) probe ions, it is possible to examine polyelectrolytes from the counterions' point of view.

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“…(ii) PROTOHYDRA CAULLERYI Dawydoff, 1930. Description in Dawydoff, 1930. Distribution. -Goas t of Indo -China.…”

Section: Summaries Of Descriptions Of Known Speciesmentioning

confidence: 99%

A Review of the Hydridae and Two New Species of Hydra from Natal

Ewer

1948

Proceedings of the Zoological Society of London

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Summary. Two new species of Hydra from Natal are described. The classification of the Hydridae is discussed. It is concluded that Schulze's genus Pelmatohydra is no longer valid and the genus Hydra should be extended to include the forms previously classified as Pelmatohydra. It is considered desirable to defer consideration of subspecific classification until the descriptions of many of the species have been completed: Summaries are given of the descriptions of the species known to date.

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Thermoreversible Gele auf Polysaccharidbasis (Übersichtsartikel)

Cited by 7 publications

References 88 publications

Studies on the Temnocephaloidea.–II. The Embryology of Caridi‐nicola indica

Studies on the Temnocephaloidea.–II. The Embryology of Caridi‐nicola indica

Probing How Counterion Structure and Dynamics Determine Polyelectrolyte Solutions Using EPR Spectroscopy

A Review of the Hydridae and Two New Species of Hydra from Natal

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