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Isolation of Chitin from a Variety of Raw Materials, Modification of the Material, and Interaction its Derivatives with Metal Ions
At the Institute of Polymer Chemistry and Physics we have investigated the isolation of chitin from a variety of raw materials—of Aral Sea crustaceans, the basidial fungus Pleurotus ostreatus, andExpand
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Azithromycin in patients admitted to hospital with COVID-19 (RECOVERY): a randomised, controlled, open-label, platform trial
Background Azithromycin has been proposed as a treatment for COVID-19 on the basis of its immunomodulatory actions. We aimed to evaluate the safety and efficacy of azithromycin in patientsExpand
  • 2
Interaction of drugs with microcrystalline cellulose at the molecular and supermolecular levels
Various drug compositions based on plant substances (allapinin and microcrystalline cellulose (MCC) have been studied before and after micronization with the aid of x-ray-diffraction,Expand
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Polysaccharides of Polygonatum. VII. A glucofructan from P. sewerzowii
A glucofructan has been isolated from the rhizomes ofPolygonatum sewerzowii Bunge and has been called pseverin. According to its chemical and spectral characteristics, pseverin is a polysaccharideExpand
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The Structures and Physicochemical Properties of Mixtures of Water-Soluble Polymers
Because data on structure, component interaction, physical properties, and compatibility of polymer blends containing native polysaccharides is very sparse, we have used optical and electronExpand
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Correlation between the conditions of fabrication and structure of cotton cellulose for viscose formation
The effect of different regimes for each stage of fabrication of cotton cellulose on its supermolecular structure was evaluated by electron microscopic methods. It was shown that rigorous conditionsExpand
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Polysaccharides ofPolygonatum. VI. A study of the structure of a glucomannan fromPolygonatum sewerzowii by13C NMR spectroscopy, electron microscopy, and x-radiography
The structure of severan has been studied by13C NMR spectroscopy. Severan and its derivatives have been investigated by electron microscopy and x-radiography. It has been established that severan hasExpand
  • 1
Structural investigations of enterosorbents based on natural silk
Features of an enterosorbent based on the fibroin of natural silk hydrolyzed in acid and alkaline solutions have been investigated by x-radiographic, electron-microscopic, and sorption methods. ItExpand
Electron-microscopic studies of the structure of fibres based on copolymers of acrylonitrile with methyl acrylate and acrylic (or methacrylic) acid
Conclusions-- The introduction of foreign methyl acrylate units (up to 4%) or acrylic (or methacrylic) acid (up to 3%) into the polyacrylonitrile chain aids in developing a higher degree of structureExpand
Structure of fibres based on low-substitution hydroxyethylcellulose
ConclusionsOptimum spinning conditions (composition and temperature of the precipitation and plasticizing baths, and degree of plasticized stretch) for fibres based on low-substitutionExpand