Articles by Anne Virden - Pharmaceutical Technology

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Articles by Anne Virden

Characterizing A Nasal Spray Formulation From Droplet To API Particle Size

Regulatory guidance for nasal spray products recognises the effect on drug delivery of the particle size of both the delivered droplets and the suspended active. Here we examine the application of laser diffraction and automated image analysis combined with Raman spectroscopy in this context, highlighting the role these techniques can play in fast and efficient nasal spray characterisation.
Feb 11, 2011

The way in which a suspension nasal spray product interacts with the body depends not only on the droplet size of the delivered droplet, but also on the particle size of the suspended API.

Method Development for Laser-Diffraction Particle-Size Analysis

The author examines the process of method development, with reference to ISO 13320:2009 and relevant monographs from the United States and European pharmacopoeias.
Nov 2, 2010

The author examines the process of method development, with reference to ISO 13320:2009 and relevant monographs from the United States and European pharmacopoeias.

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