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Articles by Gateway Analytical

Gateway Analytical


Articles
Differentiation of Drug Particle Agglomeration in OINDPs
May 27, 2014

This whitepaper presents the results of a collaborative study with FDA that reviewed the effects that can occur in aqueous nasal spray suspensions during long term shipping or storage conditions. Having the knowledge of the environmental conditions and their effects on OINDPs may benefit developers of formulations containing multiple APIs and/or excipients such as nasal suspensions, dry powder inhalers, and metered dose inhalers.

Analysis of Multi-Component Engineered Particles for Inhalation
December 18, 2012

This white paper discusses using Raman Chemical Imaging as method for spatially resolved, chemically-specific analysis of particles that contain multiple active ingredients in order to verify the composition of the particles, which is critical for process optimization, and regulatory requirements. Reviews method used for determining the ratio of drug components.

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