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Synthesis of nanosized manganese methahydroxide stabilized by cystine

Synthesis of nanosized manganese methahydroxide stabilized by cystine

The paper presents a method for the synthesis of cystine-stabilized manganese metahydroxide nanoparticles. The resulting particles had a spherical shape, a diameter of the order of 16–25 nm, and were strongly agglomerated. Studies of the morphology, elemental and phase composition of MnO(OH) nanopar...

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主要な著者: Blinov, A. V., Блинов, А. В., Gvozdenko, A. A., Гвозденко, А. А., Kravtsov, A. A., Кравцов, А. А., Krandievsky, S. O., Крандиевский, С. О., Blinova, A. A., Блинова, А. А., Maglakelidze, D. G., Маглакелидзе, Д. Г., Vakalov, D. S., Вакалов, Д. С., Remizov, D. M., Ремизов, Д. М., Golik, A. B., Голик, А. Б.
フォーマット: Статья
言語:English
出版事項: Elsevier Ltd 2021
主題:
Manganese metahydroxide
Nanoparticles
Computer quantum-chemical simulation
Cystine
L-cysteine
オンライン･アクセス:https://dspace.ncfu.ru/handle/20.500.12258/15858
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要約:The paper presents a method for the synthesis of cystine-stabilized manganese metahydroxide nanoparticles. The resulting particles had a spherical shape, a diameter of the order of 16–25 nm, and were strongly agglomerated. Studies of the morphology, elemental and phase composition of MnO(OH) nanoparticles have been carried out. X-ray diffraction analysis revealed the presence of a semicrystalline MnO(OH) phase with an orthorhombic structure. A quantum-chemical simulation has been performed and models of the chemical bond formation between a cystine molecule and a fragment of the manganese metahydroxide unit cell were constructed. Based on the results of computer simulation, the most probable mechanism of MnO(OH) nanoparticles stabilization with cystine has been established. It lies in the interaction of the carboxyl group of cystine with the hydroxo group of manganese metahydroxide

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