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Specific tritium labelling of lysine-vasopressin in two different aminoacid residues

✍ Scribed by Gy. Kéri; I. Teplán

Publisher
John Wiley and Sons
Year
1978
Tongue
French
Weight
386 KB
Volume
15
Category
Article
ISSN
0022-2135

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✦ Synopsis

Lysine8-vasqpressin was specif Scally labelled with tritium in the tysosine' and phenylalanine rgsidues. The 3,5-dibromo--tyrosine and 4-chloro-phenylalanine derivatives of the hormone were synthesized by solid phase peptide synthesis. The halogen containing peptides were catalytically reduced by tritium gas yielding preparations with high specific radioactivity and full biological activity as compared with reference material.

📜 SIMILAR VOLUMES

Synthesis and specific tritium labelling
Synthesis and specific tritium labelling of the behaviourally active octapeptide des-9-glycinamide-lysine-vasopressin in two different aminoacid residues
✍ Gy. Kéri; I. Teplán 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 French ⚖ 232 KB

The specific labelling of the octapeptide1des-9-gl cinamide--8-lysine-vasopressin in the tyrosine and phenylalanine 3 residues with tritium is described. The 3.5-dibromotyrosine and 4-chloro--phenylalanine containing precursor peptides for labelling were synthesized by solid phase peptide synthesis.

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✍ Ingvar Sjöholm; Lars Carlsson 📂 Article 📅 1967 🏛 John Wiley and Sons 🌐 French ⚖ 663 KB

Highly tritium-iabelled oxy tocin and lysine-vasopressin have been synthesized. L-tyrosine-3-3H was prepared from L-3-iodotyrosine and tritium gas in methanolic potassium hydroxide with palladium on active carbon as a catalyst. The tritiated oxytocin and lysinevasopressin were obtained from the trit