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Wyświetlanie 1-2 z 2
Tytuł:
Studies on adsorption chloramfenicol on chitosans in pharmaceutical “in vitro” model
Autorzy:
Meler, Jan
Grimling, Bożena
Biernat, Paweł
Pluta, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1035338.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
Tematy:
Chloramphenicol
adsorption
chitosan
Opis:
In clinical practice in the treatment of obesity, uses several natural macromolecular compounds, whose functioning is based on supporting the weight loss. In use of dietary supplements containing chitosan, sometimes reaches the illness and in the treatment, which the other therapeutic agents are chemotherapeutic drugs. The aim of our study was to determine the binding capacity of chloramphenicol chemotherapeutic depending on variable factors physico-chemical properties, present in the intestinal tract model of chitosans present in the drugs. The phenomenon of adsorption of chloramphenicol was examined by a dynamic model simulating the conditions of the pharmaceutical in vitro. the amount of adsorbed chemotherapy. The obtained results show that chloramphenicol is adsorbed by chitosans at pH ranges used, and the binding capacity depends on the pH of the environment and the viscosity and concentration of the chemotherapeutic agent as well as the type of chitosan and the additional substances present in the gastrointestinal tract. The average size of the adsorption system chemotherapeutic chitosan-nutrients depending on the pH of the medium ranged from 22.3 to 100.0%. Maximum number of adsorption points above pH 7 (chitosan precipitated polymer forming the emulsion-gel system).
Źródło:
Progress on Chemistry and Application of Chitin and its Derivatives; 2013, 18, 18; 187-191
1896-5644
Pojawia się w:
Progress on Chemistry and Application of Chitin and its Derivatives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The adsorption of simvastatin on chitosans in an in vitro pharmaceutical model
Autorzy:
Meler, Jan
Grimling, Bożena
Szcześniak, Maria
Pluta, Janusz
Biernat, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/1034541.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
Tematy:
adsorption
chitosan
simvastatin
Opis:
In clinical practice for the treatment of obesity, several natural macromolecular compounds are used, whose operation is based on supporting weight loss. During the use of dietary supplements containing chitosan, disease sometimes occurs and treatment for this often comprises different therapeutic agents and antibiotics. The aim of our study was to determine the binding capacity of simvastatin to chitosan, which is found in dietary supplements promoting weight loss, depending on variable physicochemical factors in the gastrointestinal tract model. The phenomenon of adsorption of simvastatin was investigated by a static and dynamic pharmaceutical model (according to the Modified method of Polish Pharmacopoeia IX) simulating the conditions in vitro. The amount of bound drug is used to calculate the average percentage of the adsorbed dose. The obtained results showed that simvastatin is adsorbed by chitosan in the used pH ranges, and the binding capacity is dependent on the environmental pH, viscosity, the concentration of the drug, the type of chitosan and additional substances present in the gastrointestinal tract. The average adsorption of simvastatin in the system of chitosan-nutrients, depending on the pH of the medium, was in the range of 27 to 95%. The highest amount of adsorption was noted above pH 7 (chitosan precipitated polymer forming the emulsion-gel system), when the bioavailability of dietary supplement using chitosan was almost zero.
Źródło:
Progress on Chemistry and Application of Chitin and its Derivatives; 2017, 22; 151-158
1896-5644
Pojawia się w:
Progress on Chemistry and Application of Chitin and its Derivatives
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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