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THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH
Under the circumstances of experimentation described, the sporangiophores of Phycomyces are found to be most sensitive to stimulation by light in the violet between 400 and 430 mµ. Toward the red, sensitivity falls to nearly zero near 580 mµ, while in the near ultra-violet around 370 mµ, sensitivity...
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Formato: | Texto |
Lenguaje: | English |
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The Rockefeller University Press
1931
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2141052/ https://www.ncbi.nlm.nih.gov/pubmed/19872616 |
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author | Castle, E. S. |
author_facet | Castle, E. S. |
author_sort | Castle, E. S. |
collection | PubMed |
description | Under the circumstances of experimentation described, the sporangiophores of Phycomyces are found to be most sensitive to stimulation by light in the violet between 400 and 430 mµ. Toward the red, sensitivity falls to nearly zero near 580 mµ, while in the near ultra-violet around 370 mµ, sensitivity is still high. The previous experiments of Blaauw had placed the point of greatest sensitivity some 80 mµ nearer the red end of the spectrum. Because of the known presence in the sporangiophores of Phycomyces of "accessory" pigments, care must be taken in identifying such results with the absorption spectrum of the photosensitive substance. |
format | Text |
id | pubmed-2141052 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1931 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21410522008-04-23 THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH Castle, E. S. J Gen Physiol Article Under the circumstances of experimentation described, the sporangiophores of Phycomyces are found to be most sensitive to stimulation by light in the violet between 400 and 430 mµ. Toward the red, sensitivity falls to nearly zero near 580 mµ, while in the near ultra-violet around 370 mµ, sensitivity is still high. The previous experiments of Blaauw had placed the point of greatest sensitivity some 80 mµ nearer the red end of the spectrum. Because of the known presence in the sporangiophores of Phycomyces of "accessory" pigments, care must be taken in identifying such results with the absorption spectrum of the photosensitive substance. The Rockefeller University Press 1931-07-20 /pmc/articles/PMC2141052/ /pubmed/19872616 Text en Copyright © Copyright, 1931, by The Rockefeller Institute for Medical Research This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Article Castle, E. S. THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH |
title | THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH |
title_full | THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH |
title_fullStr | THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH |
title_full_unstemmed | THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH |
title_short | THE PHOTOTROPIC SENSITIVITY OF PHYCOMYCES AS RELATED TO WAVE-LENGTH |
title_sort | phototropic sensitivity of phycomyces as related to wave-length |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2141052/ https://www.ncbi.nlm.nih.gov/pubmed/19872616 |
work_keys_str_mv | AT castlees thephototropicsensitivityofphycomycesasrelatedtowavelength AT castlees phototropicsensitivityofphycomycesasrelatedtowavelength |