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A simple procedure for preparation and assay of small quantities of 14C-labeled long-chain aliphatic aldehyde

✍ Scribed by G. B. Calleja; Palmer Rogers

Publisher
John Wiley and Sons
Year
1970
Tongue
French
Weight
315 KB
Volume
6
Category
Article
ISSN
0022-2135

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✦ Synopsis

Abstract

(l‐^14^C)‐dodecanal was synthesized from (l‐^14^C)‐dodecanoic acid. The two‐step synthesis beginning with 0.9 mg of the acid resulted in an overall yield of 42 % after purification. The final product was separated from the starting material and side products by silicic acid column chromatography. Purity was verified by thin layer chromatography and stimulation of light emission catalysed by bacterial luciferase.

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Quantitative extraction and separation f
Quantitative extraction and separation from [1-14C]acetate and preparation for radio gas chromatography of microgram amounts of a 14C-labeled mixture of butyrate and longer-chain-length fatty acids
✍ J. Knudsen; J.Krogh Hansen; I. Grunnet 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 331 KB

Butyrate and longer-chain fatty acids are quantitatively extracted from an incubation medium and separated from ["Clacetate with a recovery of 93.6 f 2.3 and 96.7 \* 2.4% for butyrate and palmitate, respectively. Butyrate and longer-chain fatty acids are methylated and prepared for radio gas chromat