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The Particle Articles

Chemically Specific Particle Sizing & Agglomerate Analysis Services

[fa icon="calendar'] May 15, 2014 1:56:56 PM / by Admin posted in aqueous suspension formulations, bioequivalence, Blog, chemically specific analysis, chemically specific particle sizing, Ingredient-Specific Particle Sizing, particle size distribution, particle sizing, pharmaceutical formulation, Raman chemical imaging, Videos

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Gateway Analytical Teams up with Researchers from the FDA/CDER/Division of Pharmaceutical Analysis to Present at RDD 2014

[fa icon="calendar'] Feb 13, 2014 3:57:56 PM / by Admin posted in agglomeration assessment, aqueous suspension formulations, Blog, chemically specific, FDA, Nasal Drug Products, Pharmaceutical, Raman chemical imaging

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Gateway Analytical has teamed up with researchers from the Division of Pharmaceutical Analysis at FDA/CDER to present new findings on temperature-mediated agglomeration assessment in Orally Inhaled and Nasal Drug Products. This study was performed to address aqueous nasal spray suspensions stability during long-term shipping/storage. During the study, suspension formulations were subjected to temperatures that may possibly be reached inside shipping containers during hottest and coldest months in St. Louis, MO.

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Webinar Recap: Ingredient-Specific Particle Sizing Using Raman Chemical Imaging

[fa icon="calendar'] Jun 20, 2012 10:30:35 AM / by Admin posted in aqueous suspension formulations, Blog, nasal spray suspensions, Nasal suspension PSD, Pharmaceutical, pharmaceutical formulation, Raman chemical imaging

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During this recent webinar, Dr. Oksana Olkhovyk presented on the benefits of this novel method of particle sizing that automatically measures particle size distribution.  She also discussed specific references to FDA bioequivalence guidance documentation, innovative product design and intellectual property benefits.

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New Webinar Series for Scientist on Chemical Imaging June - Sept.

[fa icon="calendar'] May 24, 2012 1:50:33 PM / by Admin posted in aqueous suspension formulations, Blog, coating thickness, Controlled Release, controlled release, Ingredient-Specific Particle Sizing, inhalation drugs, method development, Pharmaceutical, pharmaceutical, pharmaceutical formulation, pharmaceutical products, polymers, Raman chemical imaging, semi-solids

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Gateway Analytical will be offering a new webinar series for scientists, focused on chemical imaging, June though September of this year. This webinar series is designed for scientists developing and manufacturing various types of pharmaceutical products; including nasal, inhalation, semi-solid, solid, and controlled release drug delivery.

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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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