Sensitive fluorescence reaction for vitamins D and dihydrotachysterol
β Scribed by Philip S. Chen Jr.; A.Raymond Terepka; Kea Lane
- Book ID
- 107710590
- Publisher
- Elsevier Science
- Year
- 1964
- Tongue
- English
- Weight
- 454 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0003-2697
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## Abstract Tripletβsensitized irradiation of either Vitamin D or __trans__Vitamin D establishes a photoβequilibrium between the two isomers, the position of which varies with the triplet energy of the sensitizer. In the presence of oxygen, selective photooxygenation of __trans__βVitamin D takes pl
The fluorogenic dienophile 1,2,4-triazoline-3,5-dione with a highly fluorescent quinoxalinone group at the 4-position (DMEQ-TAD) was synthesized and exploited as a reagent to assay vitamin D metabolites. 25-Hydroxyvitamin D3, 1 alpha,25-dihydroxyvitamin D3, and 24(R),25-dihydroxyvitamin D3 reacted q