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The Particle Articles

Preview: Joint Poster at Respiratory Drug Delivery 2012

[fa icon="calendar'] May 4, 2012 2:11:41 PM / by Admin posted in analytical testing, Blog, dry powder inhaler, Ingredient-Specific Particle Sizing, method validation, Nasal Drug Products, Nasal suspension PSD, Pharmaceutical, pharmaceutical, pharmaceutical formulation, Raman chemical imaging

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This year at Respiratory Drug Delivery 2012, Dr. Oksana Olkhovyk will be presenting a poster with Christopher Vernall from the University of Bath which is located in the UK. This year’s poster topic, titled: “Investigation of the Microstructure of Combination Dry Powder Inhaler Formulations by Atomic Force Microscopy and Raman Chemical Imaging”, aims to investigate the microstructure of commercial Seretide® Accuhaler® using RCI and the cohesive-adhesive balance (CAB) approach to colloid probe AFM.

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Helping Generic Manufacturers Prove Bioequivalence of Suspension Nasal Sprays

[fa icon="calendar'] Apr 20, 2012 10:30:45 AM / by David Exline posted in analytical testing, aqueous suspension formulations, bioequivalence, Blog, critical path opportunities, FDA, in vitro, in vivo, Nasal Drug Products, Nasal suspension PSD, Pharmaceutical, pharmaceutical, pharmaceutical formulation, suspension nasal sprays

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In 2004, the FDA launched the Critical Path Initiative as a national strategy to drive innovation in development, evaluation and manufacturing of medical products1.  As part of this initiative, the FDA identified a number of Critical Path Opportunities (CPOs) for generic drugs.  Namely the CPO for Bioequivalence of Nasal Sprays, which identifies a need for direct measurement of particle size equivalence in suspension nasal sprays2.

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Validation of Ingredient-Specific Particle Sizing for Nasal Suspension Products

[fa icon="calendar'] Mar 23, 2012 9:30:16 AM / by Oksana Olkhovyk posted in analytical testing, aqueous suspension formulations, Blog, method development, Nasal Drug Products, Nasal suspension PSD, Pharmaceutical, pharmaceutical formulation, Raman chemical imaging, spectroscopy

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Last week at PITTCON, Gateway Analytical scientists, Dr. Ryan J. Priore and Dr. Oksana Olkhovyk, presented in the Pharmaceutical - LC, GC and Raman session on the validation of Ingredient-Specific Particle Sizing (ISPS) for nasal suspension products using Raman Chemical Imaging (RCI).

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