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1.
Journal of Pharmaceutical Practice ; (6): 508-511,558, 2017.
Artículo en Chino | WPRIM | ID: wpr-790806

RESUMEN

Objective To establish a HPLC method for the assay of sinoporphyrin sodium (DVDMS) in tumor-bearing mouse plasma and to study its pharmacokinetics .Methods The column was Waters XBridge C18 (3 .0 mm × 100 mm ,3 .5μm) . Gradient elution was applied with mobile phase A as the mixture of acetonitrile-methanol (20:80) and B as the aqueous solu-tion of 1% acetic acid and 0 .1% triethylamine at flow rate 0 .7 ml/min .The detection wavelength was 380 nm .DVDMS was administrated to tumor-bearing mice by tail vein injection .The blood samples were collected at designated time and centrifuged for plasma .DVDMS in plasma samples were extracted by protein precipitation and analyzed by the HPLC method mentioned a-bove .Pharmacokinetic parameters were calculated by DAS 2 .0 with statistical moment analysis .Results DVDMS showed good linearity within the ranges of 70 .8-14160 ng/ml (r=0 .9998) .The main pharmacokinetic parameters were calculated as follows :cmax = (24127 .59 ± 1415 .23) ng/ml ,tmax =0 .083 h ,t1/2 = (9 .59 ± 1 .25) h ,MRT0-∞ = (11 .77 ± 1 .73) h ,AUC0-∞ =(34775 .83 ± 6185 .43) h · ng/ml .Conclusion This HPLC method is sensitive ,rapid and accurate ,which can be used for a-nalysis and research of DVDMS in plasma samples of tumor-bearing mice .

2.
Journal of Pharmaceutical Practice ; (6): 489-492,515, 2016.
Artículo en Chino | WPRIM | ID: wpr-790664

RESUMEN

Salinomycin ,extensively used as an antibiotic in animal husbandry for a long time ,has recently been found to possess strong anti-cancer and anti-cancer stem cell efficacy ,as well as activities to overcome multi-drug resistance of tumor based on studies in vivo and in vitro in case reports in pilot clinical trials .Therefore ,salinomycin promised to be a novel anti-cancer agent .However ,the unfavorable property of poor aqueous solubility and the adverse effects of salinomycin were greatly hinder its clinical use .In order to improve its therapeutic index and alleviate its toxicity ,studies on nanotechnology-based deliv-ery systems of salinomycin had been widely conducted .In this article ,the latest development and application of salinomycin nanoformulations were reviewed .

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