منابع مشابه
Alloxan and dialuric acid; their stabilities and ultraviolet absorption spectra.
It was the purpose of this investigation to determine the ultraviolet absorption spectra of alloxan and dialuric acid. Previous investigators (l-3) reported that these substances had absorption spectra without definite maxima. However, since preliminary studies indicated that maxima were present under certain conditions, it was thought that a more careful investigation should be made. Although ...
متن کاملAbsorption Spectra of Phytochrome Intermediates
Native phytochrome (124kdalton) was isolated from etiolated seedlings o f Avena sativa L. cv. Pirol (Baywa, Munich). From low temperature spectra (0 °C to — 165°C ) o f phytochrom e samples irradiated either with red or far-red light, spectra o f intermediates were calculated. Both absorption bands o f the phytochrome chromophore were reported. On the pathway P r i V r , native phytochrome does...
متن کاملOptical Absorption Spectra of Bipolarons
The absorption of large bipolarons is investigated using the path-integral method. The response of a bipolaron to an external electromagnetic field is derived in the framework of the memory function approach. The bipolaron optical absorption spectrum consists of a series of relatively narrow peaks. The peculiarities of the bipolaron optical absorption as a function of the frequency of the elect...
متن کاملModeling of phytochrome absorption spectra
Phytochromes constitute one of the six well-characterized families of photosensory proteins in Nature. From the viewpoint of computational modeling, however, phytochromes have been the subject of much fewer studies than most other families of photosensory proteins, which is likely a consequence of relevant high-resolution structural data becoming available only in recent years. In this work, hy...
متن کاملUV absorption spectra of polystyrene
Polystyrene (PSt) exhibits a new UV absorption band at around 290nm in comparison with ethylbenzene, which is attributed to associative interaction between pendant phenyl groups, similar absorption bands are also observed for polymers of styrene derivatives. The UV spectra suggest charge-transfer complex formation between the polymeric and monomeric donors with electron-acceptor tetracyanoethyl...
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ژورنال
عنوان ژورنال: TANSO
سال: 1960
ISSN: 1884-5495,0371-5345
DOI: 10.7209/tanso.1960.8