2009 Vol. 27, No. 1
Display Method:
2009, 27(1): 31-32,45.
Abstract:
Objective : To improve the synthetic process of tenofovir. Methods : P-toluenesulfonic acid diethoxyphosphorylmethyl ester(4) was prepared from diethyl phosphate and paraformaldehyde by condensation and esterification.9-(2-hydroxy-propyl)adenine(7) w...
Objective : To improve the synthetic process of tenofovir. Methods : P-toluenesulfonic acid diethoxyphosphorylmethyl ester(4) was prepared from diethyl phosphate and paraformaldehyde by condensation and esterification.9-(2-hydroxy-propyl)adenine(7) w...
2009, 27(1): 33-37.
Abstract:
Objective : To develop a method for purity test and enantioseparation of ephedrine levorotatory by capillary electrophoresis(CE). Methods : The cyclodextrin,concentration,pH,organic solvent were studied,and the results indicated that the enantiomer o...
Objective : To develop a method for purity test and enantioseparation of ephedrine levorotatory by capillary electrophoresis(CE). Methods : The cyclodextrin,concentration,pH,organic solvent were studied,and the results indicated that the enantiomer o...
2009, 27(1): 38-39,57.
Abstract:
Objective : To study the chemical constituents of Semen Allii Fistulosi. Methods :Isolation and purification were carried out by macroporous absorption resin,silica gel,Sephadex LH-20 and RP-silica.The compounds of Semem Allii Fistulosi were identifi...
Objective : To study the chemical constituents of Semen Allii Fistulosi. Methods :Isolation and purification were carried out by macroporous absorption resin,silica gel,Sephadex LH-20 and RP-silica.The compounds of Semem Allii Fistulosi were identifi...
2009, 27(1): 40-42.
Abstract:
Objective : To analyze the chemical constituents of hawthorn leaves by high-performance liquid chromatography(HPLC)-diode array detector/electrospray ionization-mass spectrometry(HPLC-DAD/ESI-MS). Methods : Dried hawthorn leaves were extracted under ...
Objective : To analyze the chemical constituents of hawthorn leaves by high-performance liquid chromatography(HPLC)-diode array detector/electrospray ionization-mass spectrometry(HPLC-DAD/ESI-MS). Methods : Dried hawthorn leaves were extracted under ...
2009, 27(1): 43-45.
Abstract:
Objective : To establish a nitrogen determination method for determining capsaicin in rotenone-capsaicin suspension. Methods : The capsaicin of suspension was determined by the nitrogen determination method.The results were regulated by blank control...
Objective : To establish a nitrogen determination method for determining capsaicin in rotenone-capsaicin suspension. Methods : The capsaicin of suspension was determined by the nitrogen determination method.The results were regulated by blank control...
2009, 27(1): 46-48,50.
Abstract:
Objective : To optimize the extraction methods and GC-MS analysis of volatile oil in Rhizoma Zingiberis. Methods : The distilled water volume,ultrasonic time,soaking time and extraction time were optimized by orthogonal design and GC-MS chromatogram ...
Objective : To optimize the extraction methods and GC-MS analysis of volatile oil in Rhizoma Zingiberis. Methods : The distilled water volume,ultrasonic time,soaking time and extraction time were optimized by orthogonal design and GC-MS chromatogram ...
2009, 27(1): 49-50.
Abstract:
Objective : To identify Semen Celosiae from different districts and its adulterant C.cristata L.. Methods : TG/DTA and thermal analyser were both used to scan and analyse the thermal map of Semen Celosiae from different districts and its adulterant C...
Objective : To identify Semen Celosiae from different districts and its adulterant C.cristata L.. Methods : TG/DTA and thermal analyser were both used to scan and analyse the thermal map of Semen Celosiae from different districts and its adulterant C...
The analyses of the trends and effect factors about drug expenditure of American health institutions
2009, 27(1): 51-53,60.
Abstract:
Objective : To analyze the trends and effect factors of the drug expenditure in American health institutions and describe some rules. Methods :literatures about drug expenditure of pharmacies in American health system were collected and the relations...
Objective : To analyze the trends and effect factors of the drug expenditure in American health institutions and describe some rules. Methods :literatures about drug expenditure of pharmacies in American health system were collected and the relations...
2009, 27(1): 58-60.
Abstract:
Objective : To select the optimal condition of polyamide column adsorption chromatogtaphy for separating the total flavonoids in Rhodobryum giganteum(Schwaegr.) Par. Methods :The amount of polyamide,the eluting reagent and the eluting rate were studi...
Objective : To select the optimal condition of polyamide column adsorption chromatogtaphy for separating the total flavonoids in Rhodobryum giganteum(Schwaegr.) Par. Methods :The amount of polyamide,the eluting reagent and the eluting rate were studi...
2009, 27(1): 61-62.
Abstract:
Objective : To establish a clustering analysis of microsphere by near-infrared diffuse reflectance spectrometry. Methods : Near-infrared diffuse reflectance spectroscopy combined with clustering analysis was used in the identification of microsphere....
Objective : To establish a clustering analysis of microsphere by near-infrared diffuse reflectance spectrometry. Methods : Near-infrared diffuse reflectance spectroscopy combined with clustering analysis was used in the identification of microsphere....
2009, 27(1): 63-65.
Abstract:
Objective : To develop a HPLC method to determine the content of 3 flavonoids in Potentilla chinensis ser. Methods : ZORBAX SB-C18 column(4.6mm×150mm,5μm) was used,and the mobile phase was methanol-0.3% Phosphoric acid(51:49) with the flow rate of 0....
Objective : To develop a HPLC method to determine the content of 3 flavonoids in Potentilla chinensis ser. Methods : ZORBAX SB-C18 column(4.6mm×150mm,5μm) was used,and the mobile phase was methanol-0.3% Phosphoric acid(51:49) with the flow rate of 0....
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