نتایج جستجو برای: phtalaldehyde
تعداد نتایج: 5 فیلتر نتایج به سال:
We report here a method of simultaneously quantifying glucosylceramide (GlcCer) and galactosylceramide (GalCer) by normal-phase HPLC using O-phtalaldehyde derivatives. Treatment with sphingolipid ceramide N-deacylase which converts the cerebrosides in the sample to their lyso-forms was followed by the quantitative labeling of free NH(2) groups of the lyso-cerebrosides with O-phtalaldehyde. Usin...
Application of a sensitive and rapid flow injection analysis (FIA) method for determination of topiramate, piracetam, and levetiracetam in pharmaceutical formulations has been investigated. The method is based on the reaction with ortho-phtalaldehyde and 2-mercaptoethanol in a basic buffer and measurement of absorbance at 295 nm under flow conditions. Variables affecting the determination such ...
background: although lowering of food cholesterol is an effective way to reduce blood cholesterol, but recently some effective health and bioactivity characteristics of the milk fat components have been identified, so by decreasing the use of milk fat, an important source of fat-soluble vitamins and bioactive components of milk is limited. recent studies have shown that the growth of lactic aci...
Glutaraldehyde (GA) and ortho-phtalaldehyde (OPA) have been widely used as major components of disinfectants in hospitals. We evaluated the alterations in GA or OPA in rats after subacute inhalation exposure by determining levels of neurotransmitters (norepinephrine [NE], dopamine [DA], DA metabolites, dihydroxyphenylacetic acid [DOPAC] and homovanillic acid [HVA], indoleamine serotonin [5-HT] ...
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