Photoreceptor Optics:
Gespeichert in:
| Weitere Verfasser: | , |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Berlin, Heidelberg
Springer Berlin Heidelberg
1975
|
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Beschreibung: | The above consideration indicates that at present many of the experimental facts on PS in animals can be quantitatively explained within the limits of the "universal" photoreceptor membrane concept. Of course, existence of preferential orientation of the absorbing dipoles in the tubuli of the rhabdomeres can not be totally rejected. We hope that the concept of the "universal" photoreceptor membrane may serve as the useful instrument when dealing with newly discovered properties of visual cells so that true mechanisms of electrical and optical coupling will be searched for instead of assumptions being made on additional properties of the photoreceptor membrane in every new animal under study. 5. Absorption Spectrum of the Universal Photoreceptor Membrane and Spectral Sensitivity of the Photoreceptor 5. 1 Preliminary Notes It seems nearly self-evident that the absorption spectrum of the photoreceptor membrane coincides exactly with that of the visual pigment it contains. Hence, the membrane must exhibit three bands of absorption - the principal band with its peak within the limits of visible spectrum (or a-peak); the secondary band between 340 and 380 nm (S peak); and the third, protein band, in the ultraviolet (UV) at 280 nm (COLLINS et al. , 1952). The main peak of absorption is located within the range 433-575 nm for retinol-based pigments and between 438 and 620 nm for 3-dehydroretinol-based pigments, the position of Amax depending on many ecological factors |
| Beschreibung: | 1 Online-Ressource (X, 526 p) |
| ISBN: | 9783642809347 9783642809361 |
| DOI: | 10.1007/978-3-642-80934-7 |
Internformat
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| 500 | |a The above consideration indicates that at present many of the experimental facts on PS in animals can be quantitatively explained within the limits of the "universal" photoreceptor membrane concept. Of course, existence of preferential orientation of the absorbing dipoles in the tubuli of the rhabdomeres can not be totally rejected. We hope that the concept of the "universal" photoreceptor membrane may serve as the useful instrument when dealing with newly discovered properties of visual cells so that true mechanisms of electrical and optical coupling will be searched for instead of assumptions being made on additional properties of the photoreceptor membrane in every new animal under study. 5. Absorption Spectrum of the Universal Photoreceptor Membrane and Spectral Sensitivity of the Photoreceptor 5. 1 Preliminary Notes It seems nearly self-evident that the absorption spectrum of the photoreceptor membrane coincides exactly with that of the visual pigment it contains. Hence, the membrane must exhibit three bands of absorption - the principal band with its peak within the limits of visible spectrum (or a-peak); the secondary band between 340 and 380 nm (S peak); and the third, protein band, in the ultraviolet (UV) at 280 nm (COLLINS et al. , 1952). The main peak of absorption is located within the range 433-575 nm for retinol-based pigments and between 438 and 620 nm for 3-dehydroretinol-based pigments, the position of Amax depending on many ecological factors | ||
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Datensatz im Suchindex
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| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 530 - Physics |
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| dewey-tens | 530 - Physics |
| discipline | Physik |
| doi_str_mv | 10.1007/978-3-642-80934-7 |
| format | Electronic eBook |
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| isbn | 9783642809347 9783642809361 |
| language | English |
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| spelling | Photoreceptor Optics edited by Allan W. Snyder, Randolf Menzel Berlin, Heidelberg Springer Berlin Heidelberg 1975 1 Online-Ressource (X, 526 p) txt rdacontent c rdamedia cr rdacarrier The above consideration indicates that at present many of the experimental facts on PS in animals can be quantitatively explained within the limits of the "universal" photoreceptor membrane concept. Of course, existence of preferential orientation of the absorbing dipoles in the tubuli of the rhabdomeres can not be totally rejected. We hope that the concept of the "universal" photoreceptor membrane may serve as the useful instrument when dealing with newly discovered properties of visual cells so that true mechanisms of electrical and optical coupling will be searched for instead of assumptions being made on additional properties of the photoreceptor membrane in every new animal under study. 5. Absorption Spectrum of the Universal Photoreceptor Membrane and Spectral Sensitivity of the Photoreceptor 5. 1 Preliminary Notes It seems nearly self-evident that the absorption spectrum of the photoreceptor membrane coincides exactly with that of the visual pigment it contains. Hence, the membrane must exhibit three bands of absorption - the principal band with its peak within the limits of visible spectrum (or a-peak); the secondary band between 340 and 380 nm (S peak); and the third, protein band, in the ultraviolet (UV) at 280 nm (COLLINS et al. , 1952). The main peak of absorption is located within the range 433-575 nm for retinol-based pigments and between 438 and 620 nm for 3-dehydroretinol-based pigments, the position of Amax depending on many ecological factors Physics Physics, general Photorezeptor (DE-588)4045934-2 gnd rswk-swf 1\p (DE-588)1071861417 Konferenzschrift gnd-content Photorezeptor (DE-588)4045934-2 s 2\p DE-604 Snyder, Allan W. edt Menzel, Randolf edt https://doi.org/10.1007/978-3-642-80934-7 Verlag Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Photoreceptor Optics Physics Physics, general Photorezeptor (DE-588)4045934-2 gnd |
| subject_GND | (DE-588)4045934-2 (DE-588)1071861417 |
| title | Photoreceptor Optics |
| title_auth | Photoreceptor Optics |
| title_exact_search | Photoreceptor Optics |
| title_full | Photoreceptor Optics edited by Allan W. Snyder, Randolf Menzel |
| title_fullStr | Photoreceptor Optics edited by Allan W. Snyder, Randolf Menzel |
| title_full_unstemmed | Photoreceptor Optics edited by Allan W. Snyder, Randolf Menzel |
| title_short | Photoreceptor Optics |
| title_sort | photoreceptor optics |
| topic | Physics Physics, general Photorezeptor (DE-588)4045934-2 gnd |
| topic_facet | Physics Physics, general Photorezeptor Konferenzschrift |
| url | https://doi.org/10.1007/978-3-642-80934-7 |
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