Reconceptualizing Quantitative and Qualitative Methods: A Case Study Dealing with Place as an Exemplar

Quantitative determination of α- and γ-2

Quantitative determination of α- and γ-2,4-dinitrophenyl-isomers of α,γ-diaminobutyric acid with an automatic amino acid analyzer as a method of studying Nα ⇄ Nγ migration in peptides of α,γ-diaminobutyric acid and polymyxin M

✍ A.B. Silaev; L.A. Baratova; G.S. Katrukha 📂 Article 📅 1966 🏛 Elsevier Science 🌐 English ⚖ 637 KB

According to the data reported in the literature, salts of antibiotics of the polymyxin group are stable in weak acid and neutral solutions, but are inactivated in acid solutions and in particular in alkaline ones l--b. The study of the alkaline inactivation of the antibiotic polymyxin M has shown t