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Wyszukujesz frazę "hydroxypropylmethylcellulose" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The effect of selected polymers on the properties of thermosensitive hydrophilic gels containing lactic acid complexed with chitosan
Autorzy:
Małolepsza-Jarmołowska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/1035533.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
Tematy:
PVP K-30
anti-inflammatory drugs
chitosan
hydroxypropylmethylcellulose
lactic acid
vaginal infections
Opis:
Bacterial vaginitis affects women of all age groups. Numerous recurrences of the condition are widely discussed by clinicians. Traditional therapeutic schemes recommended by world treatment centres and health organizations do not bring satisfactory results. Their effects are hampered by numerous anatomic and physiological conditions which do not facilitate prolonged contact of the drug with the application site. The investigations demonstrated that the thermosensitive polymer - poloxamer 407 increases significantly the adhesive properties of hydrophilic gels, but at the same time it increases their pH. The addition of PVP K-30 or hydroxypropylmethylcellulose reduces the pH and maintains high adhesion. The use of PVP K-30 and hydroxypropylmethylcellulose allowed to obtain narrow physiological range – lower limits of the physiological range. Rheological investigations revealed an increase in the dynamic viscosity of reparations containing poloxamer 407 with the addition of PVP K-30 or hydroxypropylmethylcellulose in comparison to the reference gels.
Źródło:
Progress on Chemistry and Application of Chitin and its Derivatives; 2010, 15; 135-142
1896-5644
Pojawia się w:
Progress on Chemistry and Application of Chitin and its Derivatives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected pharmaceutical properties of thermosensitive hydrophilic gels with hydroxypropylmethylcellulose containing lactic acid complexed with chitosan
Autorzy:
Małolepsza-Jarmołowska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/1035213.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
Tematy:
1
2- propylene glycol
glycerol
hydroxypropylmethylcellulose
lactic acid complexed with chitosan
thermosensitive polymer - poloxamer 407
vaginal infections
Opis:
Gels containing lactic acid complexed with chitosan at a stoichiometric ration 1:1 and 2:1 and 5-25% content of polyoxyethylene glycol 200 are able to move from 25 to 30 cm. The addition of 4% hydroxypropylmethylcellulose besides glycerol increases the movability gels containing lactic acid complexed with chitosan in a stoichiometric ration 1:1 from 25 cm to 28 cm and at 2:1 ratio from 27 cm to 30 cm. Higher concentrations of the poloxamer 407: 23 and 25% result in the movability of 24 to 29 cm The addition of 5-25% glycerol decreases the pH of investigated gels from 3.95 to 4.45 (1:1) and from 3.63 to 4.30 (2:1). The addition of 5-25% 1,2-propylene glycol decreases the pH of investigated gels from 4.00 to 4.46 (1:1) and from 3.70 to 4.33 (2:1). The use of hydroxypropylmethylcellulose allowed to obtain physiological range. The addition of hydroxypropylmethylcellulose reduces the pH and maintains high adhesion.
Źródło:
Progress on Chemistry and Application of Chitin and its Derivatives; 2013, 18, 18; 131-138
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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