Publications by authors named "Samuel R Pygall"

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The influence of polymer content on early gel-layer formation in HPMC matrices: The use of CLSM visualisation to identify the percolation threshold.
Laura Michelle Mason, María Dolores Campiñez, Samuel R Pygall, Jonathan C Burley, Pranav Gupta

Eur J Pharm Biopharm· August 2015

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The influence of substituted phenols on the sol:gel transition of hydroxypropyl methylcellulose (HPMC) aqueous solutions.
Simon R Banks, Samuel R Pygall, Gurjit S Bajwa, Stephen W Doughty, Peter Timmins

Carbohydr Polym· January 2014

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Interrogating erosion-based drug liberation phenomena from hydrophilic matrices using near infrared (NIR) spectroscopy.
Paolo Avalle, Samuel R Pygall, Jonathan Pritchard, Agnieszka Jastrzemska

Eur J Pharm Sci· January 2013

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Overcoming sink limitations in dissolution testing: a review of traditional methods and the potential utility of biphasic systems.
Daniel J Phillips, Samuel R Pygall, V Brett Cooper, James C Mann

J Pharm Pharmacol· November 2012

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A case study exploring the impact of an oxygen barrier coating on formulation stability, in-vitro dissolution and bioperformance.
James C Mann, Amitava Mitra, Samuel R Pygall

J Pharm Pharmacol· January 2012

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The use of in situ near infrared spectroscopy to provide mechanistic insights into gel layer development in HPMC hydrophilic matrices.
Paolo Avalle, Samuel R Pygall, Nick Gower, Anna Midwinter

Eur J Pharm Sci· August 2011

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Solution interactions of diclofenac sodium and meclofenamic acid sodium with hydroxypropyl methylcellulose (HPMC).
Samuel R Pygall, Peter C Griffiths, Bettina Wolf, Peter Timmins, Colin D Melia

Int J Pharm· February 2011

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The suitability of tris(hydroxylmethyl) aminomethane (THAM) as a buffering system for hydroxypropyl methylcellulose (HPMC) hydrophilic matrices containing a weak acid drug.
Samuel R Pygall, Sarah Kujawinski, Peter Timmins, Colin D Melia

Int J Pharm· March 2010

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Mechanisms of drug release in citrate buffered HPMC matrices.
Samuel R Pygall, Sarah Kujawinski, Peter Timmins, Colin D Melia

Int J Pharm· March 2009

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Pharmaceutical applications of confocal laser scanning microscopy: the physical characterisation of pharmaceutical systems.
Samuel R Pygall, Joanne Whetstone, Peter Timmins, Colin D Melia

Adv Drug Deliv Rev· December 2007

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