Microencapsulation of human insulin DEAE-dextran complex and the complex in liposomes by the emulsion non-solvent addition method
Human insulin-DEAE (diethyl amino ethyl) dextran complex and human insulin DEAE-dextran complex in liposomes were encapsulated in cellulose acetate butyrate (CAB) microcapsules by the emulsion non-solvent addition method. The ratio of core-to-coat used was 1:1. The average diameters of the complex m...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.ncbi.nlm.nih.gov/pubmed/3502482 http://cmuir.cmu.ac.th/handle/6653943832/4593 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Human insulin-DEAE (diethyl amino ethyl) dextran complex and human insulin DEAE-dextran complex in liposomes were encapsulated in cellulose acetate butyrate (CAB) microcapsules by the emulsion non-solvent addition method. The ratio of core-to-coat used was 1:1. The average diameters of the complex microcapsules and the complex liposome microcapsules were 239.5 +/- 77.5 and 182.9 +/- 52.2 microns respectively. In vitro dissolution studies of both types of microcapsules in simulated intestinal fluid at pH 7.2 showed a sustained release of the complex and the complex liposome microcapsules with t50 = 1.5 h and 4 h respectively. This study can be applied to the further development of oral formulations of human insulin liposomes for diabetic treatment. |
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