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ŠTÚDIUM LOKÁLNYCH ANESTETÍKCLV11. CHROMATOGRAFICKÉ VLASTNOSTI PENTAKAÍNU, KARBISOKAÍNU, HEPTAKAÍNU A JEHO 3-, A 4-POLOHOVÝCH IZOMÉROV V RP SYSTÉME HPLC
: J. Čižmárik; J. Lehotay; A. Bednáriková
: Katedra farmaceutickej chémie Farmaceutickej fakulty Univerzity Komenského, Bratislava Katedra analytickej chémie Chemicko-technologickej fakulty Slovenskej technickej univerzity, Bratislava
: Čes. slov. Farm., 2001; , 233-237
:
CLVII.
Chromatografické vlastnosti pentakaínu, karbisokaínu, heptakaínu a jeho 3-, a 4-polohových izomérov v RP systéme HPLCCielom práce bulo nájst vhodný HPLC systém na stanovenie hodnót kapacitného faktura k' pentakaínu, karbisokaínu, heptakaínu a jeho 3-, a 4-polohových izomérov. Na delenie týchto potenciálnych lokálnych anestetik zo skupiny derivátov kyseliny fenylkarbámovej sa vhodnou stacionárnou fázou ukázala kolona Separon SG X C-18 a mobilná fáza sústavy 90 % metanolu a 10 % vody (s obsahom 0,5 moUl octanu sodného). V tomto systéme k'o pre pentakaín je 22,9, pre karbisokaín 8,6, pre heptakaín 8,1 a pre 3-polohový derivát heptakaín 13,0 a 4-izomér 18,4. Z týchto údajov vyplýva, že log k' týchto liečiv je v intervale 2-5 a ani malé zmeny v koncentrátu octanu sodného (c=0,5±0,05 moUl) ho výrazne nezmenia.Klíčová slova:
pentakaín - karbisokaín - heptakaín - kapacitný faktor k', HPLC
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Pharmacy Clinical pharmacology
Article was published inCzech and Slovak Pharmacy
2001 Issue 5-
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