نتایج جستجو برای: Reversed-phase extraction

تعداد نتایج: 790330  

There is no other naturally occurring defense agent against cancer that has a stronger effectthan paclitaxel, commonly known under the brand name of Taxol®. The major drawback for themore widespread use of paclitaxel and its precious precursor, 10-deacetylbaccatin III (10-DABIII), is that they require large-scale extraction from different parts of yew trees (Taxus species),cell cultures, taxane...

There is no other naturally occurring defense agent against cancer that has a stronger effectthan paclitaxel, commonly known under the brand name of Taxol®. The major drawback for themore widespread use of paclitaxel and its precious precursor, 10-deacetylbaccatin III (10-DABIII), is that they require large-scale extraction from different parts of yew trees (Taxus species),cell cultures, taxane...

Journal: :pharmaceutical and biomedical research 0
hossein danafar zanjan pharmaceutical nanotechnology research center, zanjan university of medical sciences, zanjan, iran

cefixime is essential member of orally energetic third generation cephalosporin and has tremendous activity aligned with many pathogens. the virtual bioavailability of a newly industrial dispersible tablet as compared with a recognized identified formulation. a simple and available reversed-phase hplc method with uv detection has been urbanized and validate for cefixime evaluate in human plasma ...

Journal: :journal of sciences, islamic republic of iran 2003
m.r. hadjmohammadi

effects of temperature and percentage of organic modifier were studied on retention and selectivity in rp-hplc using solvation parameter model. the system constants were determined by multiple linear regression analysis from experimental values in the retention factor for a group of different solutes with known descriptors by computer using the program spss/pc. the experimental results showed t...

Journal: :iranian journal of basic medical sciences 0
amir hooshang mohammadpour pharmaceutical research center, department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran mohammad ramezani 2pharmaceutical research centre, department of biotechnology, school of pharmacy, mashhad university of medical sciences, mashhad, iran nasim tavakoli anaraki 1pharmaceutical research center, department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran bizhan malaekeh-nikouei 3nanotechnology research centre, department of pharmaceutics, school of pharmacy, mashhad university of medical sciences, mashhad, iran sara amel farzad2 2pharmaceutical research centre, department of biotechnology, school of pharmacy, mashhad university of medical sciences, mashhad, iran hossein hosseinzadeh 1pharmaceutical research center, department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran

objective(s):the present study reports the development and validation of a sensitive and rapid extraction method beside high performance liquid chromatographic method for the determination of crocetin in human serum. materials and methods:the hplc method was carried out by using a c18 reversed-phase column and a mobile phase composed of methanol/water/acetic acid (85:14.5:0.5 v/v/v) at the flow...

Journal: :Journal of AOAC International 2001
M S Young D J Phillips P C Iraneta J Krol

Solid-phase extraction (SPE) procedures were developed for rapid cleanup and determination of thiabendazole and carbendazim in orange, apple, and grape juices. Samples were prepared by using an SPE cartridge containing a mixed-mode sorbent with both reversed-phase and strong cation-exchange chemistries. Analysis was by liquid chromatography with photodiode-array UV detection. Orange juice was a...

Journal: :journal of sciences islamic republic of iran 0
m.r. hadjmohammadi reversed-phase liquid chromatography; solvation parameter model

effects of temperature and percentage of organic modifier were studied on retention and selectivity in rp-hplc using solvation parameter model. the system constants were determined by multiple linear regression analysis from experimental values in the retention factor for a group of different solutes with known descriptors by computer using the program spss/pc. the experimental results showed t...

Amir Hooshang Mohammadpour Bizhan Malaekeh-Nikouei, Hossein Hosseinzadeh Mohammad Ramezani, Nasim Tavakoli Anaraki Sara Amel Farzad2

Objective(s):The present study reports the development and validation of a sensitive and rapid extraction method beside high performance liquid chromatographic method for the determination of crocetin in human serum. Materials and Methods:The HPLC method was carried out by using a C18 reversed-phase column and a mobile phase composed of methanol/water/acetic acid (85:14.5:0.5 v/v/v) at the flow...

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