Surface Characterization of Phenylpropanolamine Drug by Inverse Gas Chromatography

BP Kumar, PR Rani, TM Reddy… - International Scholarly …, 2013 - Wiley Online Library
The surface thermodynamic properties can be used to understand the interactive potential of
a drug surface with a solid or liquid excipient during its formulation and drug release …

Surface characterization of 2-hydroxypyrimidine sulphate by inverse gas chromatography

BP Kumar, TM Reddy, KS Reddy - Journal of Pharmaceutical Investigation, 2014 - Springer
The net retention volumes, VN, of n-alkanes and polar probes on 2-hydroxypyrimidine
sulphate (2-HPS) drug surface are determined at 323.15, 328.15 and 333.15 K using …

Critical assessment of inverse gas chromatography as means of assessing surface free energy and acid–base interaction of pharmaceutical powders

MJ Telko, AJ Hickey - Journal of pharmaceutical sciences, 2007 - Elsevier
Inverse gas chromatography (IGC) has been employed as a research tool for decades.
Despite this record of use and proven utility in a variety of applications, the technique is not …

Inverse gas chromatography study on London dispersive surface free energy and electron acceptor–donor of fluconazole drug

PK Basivi, VR Pasupuleti, R Seella… - Journal of Chemical & …, 2017 - ACS Publications
The inverse gas chromatography study on the fluconazole drug surface was performed, and
the net retention volumes, polar probes, and VN of n-alkanes are determined at four …

Surface thermodynamics of Efavirenz and a blend of Efavirenz with cellulose acetate propionate by inverse gas chromatography

B Praveen Kumar, S Ramanaiah… - Surface and …, 2016 - Wiley Online Library
The purpose of this paper is to study the effect of an excipient on the surface energetics of
Efavirenz (EFV) drug. The net retention volumes, VN, for n‐alkanes and polar solutes on the …

The changes in surface energetics with relative humidity of carbamazepine and paracetamol as measured by inverse gas chromatography

MR Sunkersett, IM Grimsey, SW Doughty… - European journal of …, 2001 - Elsevier
The surface energetic parameters of carbamazepine and paracetamol have been studied
using inverse gas chromatography modified to produce dry and ambient conditions within …

Applicability of specific surface area determination on pharmaceuticals by inverse gas chromatography

S Sharif, L DiMemmo, M Davidovich… - The Open-Access …, 2011 - diffusion.uni-leipzig.de
Nitrogen adsorption (BET method) is the most commonly applied technique to measure the
specific surface area (SSA) of active pharmaceutical ingredient (API) and excipient powders …

A combined modelling and experimental study of the surface energetics of α-lactose monohydrate

A Saxena, J Kendrick, IM Grimsey, R Roberts… - Journal of …, 2010 - Elsevier
The surface energy of α-lactose monohydrate measured by inverse gas chromatography
(IGC) is reported along with a dynamic molecular modelling study of the interaction of the …

Application of molecular modelling to determine the surface energy of mannitol

A Saxena, J Kendrick, I Grimsey, L Mackin - International journal of …, 2007 - Elsevier
In this paper, molecular modelling was used to investigate the nature of probe/surface
interactions during the analysis of Dβ-mannitol using inverse gas chromatography (IGC) …

[HTML][HTML] Surface thermodynamic properties of sodium carboxymethyl cellulose by inverse gas chromatography

PK Basivi, VR Pasupuleti, T Hamieh - Chemical Engineering Journal …, 2022 - Elsevier
This study constitutes a new development of surface thermodynamic methods to determine
the London dispersive surface free energy component γ sd, the specific free energy of …