[PDF][PDF] Surface Energy Properties of Soluplus® by Inverse Gas Chromatography

S Ali¹, D Burnett, AR Garcia, Y Lan¹, N Langley¹ - researchgate.net
Soluplus®, a polymeric solubilizer comprised of polyethylene glycol, polyvinyl caprolactam
and polyvinyl acetate (PEG/PVCp/PVAc), was investigated for dispersive surface energy …

Effect of temperature on the surface free energy and acid–base properties of Gabapentin and Pregabalin drugs− a comparative study

S Ramanaiah, V Karde, P Venkateswarlu, C Ghoroi - RSC Advances, 2015 - pubs.rsc.org
The surface energetics of Gabapentin (GBP)[2-[1-(aminomethyl) cyclohexyl] acetic acid] and
Pregabalin (PGB)[(S)-3-(aminomethyl)-5-methylhexanoic acid] were studied using a surface …

The dispersive component of the surface free energy of powders assessed using inverse gas chromatography and contact angle measurements

O Planinšek, A Trojak, S Srčič - International journal of pharmaceutics, 2001 - Elsevier
The nonpolar parameter of solid surface free energy γsd has been determined for some
pharmaceutical powders by means of contact angle measurement (Wilhelmy plate method) …

The use of inverse phase gas chromatography to study the glass transition temperature of a powder surface

G Buckton, A Ambarkhane, K Pincott - Pharmaceutical research, 2004 - Springer
Purpose. To measure the glass transition temperature (Tg) at the surface of a hydrophobic
particle at different temperatures and humidities, on the hypothesis that the surface may be …

Characterisation of the surface energetics of milled dl-propranolol hydrochloride using inverse gas chromatography and molecular modelling

P York, MD Ticehurst, JC Osborn, RJ Roberts… - International journal of …, 1998 - Elsevier
Inverse gas chromatography (IGC) has been successfully used to characterise the nature of
the surface of samples of dl-propranolol hydrochloride which have been produced under …

Surface thermodynamics of poly (caprolactone) diol by inverse gas chromatography

S Ramanaiah, BP Kumar… - International Journal of …, 2015 - Taylor & Francis
Inverse gas chromatography was applied to evaluate the surface thermodynamic properties
of biodegradable poly (caprolactone) diol (PCLD) in the temperature range 313.15–333.15 …

New physicochemical methodology for the determination of the surface thermodynamic properties of solid particles

T Hamieh - AppliedChem, 2023 - mdpi.com
The study of the surface thermodynamic properties of solid materials is primordial for the
determination of the dispersive surface energy, polar enthalpy of adsorption and Lewis's …

The use of inverse gas chromatography to assess the acid–base contributions to surface energies of cefditoren pivoxil and methacrylate copolymers and possible …

M Ohta, G Buckton - International journal of pharmaceutics, 2004 - Elsevier
It is known that acids and bases when mixed together have the potential to react, however,
there is complexity when materials are in the solid state, as the surface of the solids may not …

Characterisation of the surface properties of α-lactose monohydrate with inverse gas chromatography, used to detect batch variation

MD Ticehurst, P York, RC Rowe, SK Dwivedi - International Journal of …, 1996 - Elsevier
Inverse gas chromatography (IGC) was employed to characterise the surface properties of
four batches of α-lactose monohydrate supplied as chemically and physically equivalent, but …

A comparison of two contact angle measurement methods and inverse gas chromatography to assess the surface energies of theophylline and caffeine

JW Dove, G Buckton, C Doherty - International journal of pharmaceutics, 1996 - Elsevier
The wettability of two powders has been assessed by three methods and values for surface
energies have been determined. Two contact angle methods have been used, both of which …