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Optimization of the operating conditions of a lab scale Aljet mill using lactose and sucrose: A technical note.

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Bibliographic Details
Title: Optimization of the operating conditions of a lab scale Aljet mill using lactose and sucrose: A technical note.
Authors: Vatsaraj, Neha, Gao, Danchen, Kowalski, Donna
Source: AAPS PharmSciTech; Jun2003, Vol. 4 Issue 2, p141-146, 6p
Abstract: The results of the experiments have revealed that the optimal operating conditions for a lab scale Aljet mill are at the high level (110 psi) of the pushing nozzle and the low level (65 psi) of both grinding nozzles, or vice versa. Operating the Aljet mill at high pushing and grinding pressures also produces small particle size; however, the high pressures require more gaseous fluid making the process less efficient. At a very low pushing nozzle pressure as compared with the grinding nozzle pressure, the material kicks back from the mill, reducing the yield. Optimization of the lab scale Aljet mill operating conditions will be very useful in particle size reduction of poorly water-soluble compounds and is particularly beneficial at early stages of drug development when the drug quantity is very limited. [ABSTRACT FROM AUTHOR]
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Database: Complementary Index
Description
Abstract:The results of the experiments have revealed that the optimal operating conditions for a lab scale Aljet mill are at the high level (110 psi) of the pushing nozzle and the low level (65 psi) of both grinding nozzles, or vice versa. Operating the Aljet mill at high pushing and grinding pressures also produces small particle size; however, the high pressures require more gaseous fluid making the process less efficient. At a very low pushing nozzle pressure as compared with the grinding nozzle pressure, the material kicks back from the mill, reducing the yield. Optimization of the lab scale Aljet mill operating conditions will be very useful in particle size reduction of poorly water-soluble compounds and is particularly beneficial at early stages of drug development when the drug quantity is very limited. [ABSTRACT FROM AUTHOR]
ISSN:15309932
DOI:10.1208/pt040227