Determination of moisture content of lyophilized allergen vaccines by NIR spectroscopy

Publication: Research - peer-reviewJournal article – Annual report year: 2008

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Moisture content is an important parameter for lyophilized vaccines. Currently, Karl Fischer titration is widely used for moisture determination in routine analysis. However, this method is time-consuming, sample destructive and requires environment polluting reagents, as well as the results rely on the random samplings. In this study, near infrared spectroscopy was used as a fast, non-invasive and non-destructive method to determine the moisture content in lyophilized allergy vaccines. Five different vaccine products were investigated, which contained water in the range of 0.17-1.51% (w/w, KF). Different data pre-treatments, wavelength selection and partial least squares regression were applied to construct calibration models. Multi-products model and product-specific models were obtained, which show the possibility of NIR as a rapid method to discriminate whether moisture content fit into the specifications of a pharmaceutical company. (c) 2007 Elsevier B.V. All rights reserved.
Original languageEnglish
JournalJournal of Pharmaceutical and Biomedical Analysis
Publication date2008
Volume46
Issue3
Pages592-596
ISSN0731-7085
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 20
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