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The results are given of an investigation on the synthesis of protein conjugates with a number of metals differing by their valence and electronic state, and on their immunocompetence.
A number of aminoacyl derivatives of 4-phenylcoumarin have been obtained by the condensation of N-hydroxysuccinimide esters of 7-(1-carboxyalkoxy)-4-phenylcoumarins with L-amino acids and their derivatives.
Alcohol-soluble carbohydrates, water-soluble polysaccharides, and pectin substances have been isolated from melon juice pulp. The substances isolated have been studied by IR spectroscopy.
The cross-linking reactions of acetylcelluloses having different levels of acetyl groups with pyromellitic dianhydride in homogeneous media have been investigated. A relationship has been established between the static exchange capacity (SEC) and the content of hydroxy groups in the...
Fatty acid from the dried pulp of Ziziphus jujuba Mill. Contain 33 components with a chain length from 7 to 28 carbon atoms and approximately equal ratio of total saturated and unsaturated, mainly monoenic, acids; among them, the isomers of palmitoleic acid 16:1(7) and 16:1(9) predominate, and...
A new ecdysteroid—integristerone A 25-acetate—has been isolated from the roots of Silene brahuica Boiss. Its structure has been determined on the basis of chemical transformations and spectral characteristics.
Essential oil and neutral lipids from the cone berries of Juniperus seravschanica Kom. have been characterized for the first time. Fifty six components comprising 96.5% of the essential oil were identified; a-pinene (29.0%), β-myrcene (17.9%), germacrene B (5.9%), and cedrol (3.1%) dominated; 5...
A comparative study has been made of the interaction of a number of phytohormones and defoliants with a cytokinin-binding protein from cotton shoots by the method of a competitive receptor test. Methodological approaches to the molecular modeling of processes involved in the interaction of a...
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