منابع مشابه
Using Chemical Structural Indicators for Periodic Classification of Local Anaesthetics
Algorithms for classification and taxonomy based on criteria as information entropy and its production are proposed. Some local anaesthetics, currently in use, are classified using five characteristic chemical properties of different portions of their molecules. Many classification algorithms are based on information entropy. When applying the procedures to sets of moderate size, an excessive n...
متن کاملStructure/nerve membrane effect relationships of some local anaesthetics.
Data on electron structure and octanol-water partition coefficients of certain local anaesthetics are compared with the capacity of reversibly block the action potential of the frog sciatic nerve. Some active parts in the molecules of these substances have been shown to be primarily involved in the action of local anaesthetics.
متن کاملساختار کلاسهایی از حلقه های z- موضعی و c- موضعی the structure of some classes of z-local and c-local rings
فرض کنیمr یک حلقه تعویض پذیر ویکدار موضعی باشدو(j(r رایکال جیکوبسن r و(z(r مجموعه مقسوم علیه های صفر حلقه r باشد.گوییم r یک حلقه z- موضعی است هرگاه j(r)^2=. .همچنین برای یک حلقه تعویض پذیر r فرض کنیم c یک عنصر ناصفر از (z( r باشد با این خاصیت که cz( r)=0 گوییم حلقه موضعی r یک حلقه c - موضعی است هرگاه و{0 و z(r)^2={cو z(r)^3=0, نیز xz( r)=0 نتیجه دهد که x عضو {c,0 } است. در این پایان نامه ساخ...
A comparison of local anaesthetics for venepuncture.
AIM To compare the effectiveness of EMLA cream and Ametop gel in providing analgesia for venous cannulation. METHODS Single blind study in 120 children. RESULTS Both anaesthetic agents produced adequate analgesia. However, Ametop gel was more effective, with a statistically significant difference in the pain scores of the two groups (p < 0.05).
متن کاملQuinidine like activity of eight local anaesthetics.
and Md., Eight synthetic local anaesthetics from among (he Propiophenones, Benzil and Phenoxy derivatives and derivatives of Benzyl alcohol wen' examined for their arrhvthmia combating activity. Against acetylcholine induced auricular fibrillation U·0045 showed maximum activity and U -0172, U·OI77, U-OS75 and Lignocaine were more active than quinidine. In aconitine induced fibrillation li.OI77,...
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ژورنال
عنوان ژورنال: British Journal of Anaesthesia
سال: 1962
ISSN: 0007-0912
DOI: 10.1093/bja/34.4.229