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Study on the Preparation Technology of Injectable Powder of Fusion Protein GGH |
QIAN Jian ying, XU Zheng hong, DOU Wen fang |
School of Pharmaceutical Science, Jiangnan University, Wuxi 214122, China |
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Abstract Objective:To establish an HPLC method for the determination of content of GGH and its injectable powder. To screen the supplementary materials and pH and study on the stability for 6 months. Methods:The Waters DELTA PAK C18 column was used, and the mobile phase was acetonitrile and water with gradient elution for 20 minutes. The detection wavelength was 280nm. Screened the fillers and pH according to the powder shape, solubility, stability and activity. Results:The calibration curve was linear in the range of 0.2~1.6mg/ml,R2=0.999,which could be used to the content detection of the powder. Four percent mannitol and pH5.5 were selected to prepare the GGH injectable powder with stable quality. Conclusions:The determination of purity and activity, together with the appearance observation method, could be used for the study of preparation technology, which provided references for the application of new drugs.
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Received: 21 July 2016
Published: 25 November 2016
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