N. M. Ahfat, G. Buckton, R. Burrows, and M. D. Ticehurst, An exploration of interrelationships between contact angle, inverse phase gas chromatography and triboelectric charging data, Eur. J. Pharm. Sci, vol.9, issue.3, pp.271-276, 2000.
DOI : 10.1016/s0928-0987(99)00063-9

J. Brum and D. Burnett, Quantification of surface amorphous content using dispersive surface energy: the concept of effective amorphous surface area, AAPS PharmSciTech, vol.12, issue.3, pp.887-892, 2011.

M. Cares-pacheco, G. Vaca-medina, R. Calvet, F. Espitalier, J. Letourneau et al., Physicochemical characterization of D-mannitol polymorphs: the challenging surface energy determination by inverse gas chromatography in the infinite dilution region, Int. J. Pharm, vol.475, pp.69-81, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01611996

S. P. Chamarthy and R. Pinal, The nature of crystal disorder in milled pharmaceutical materials, Colloids Surf. A: Physicochem. Eng. Aspects, vol.331, issue.1, pp.68-75, 2008.

K. J. Crowley and G. Zografi, Cryogenic grinding of indomethacin polymorphs and solvates: assessment of amorphous phase formation and amorphous phase physical stability, J. Pharm. Sci, vol.91, issue.2, pp.492-507, 2002.
DOI : 10.1002/jps.10028

S. Das, I. Larson, P. Young, and P. Stewart, Surface energy changes and their relationship with the dispersibility of salmeterol xinafoate powders for inhalation after storage at high RH, Eur. J. Pharm. Sci, vol.38, issue.4, pp.347-354, 2009.

S. Desprez and M. Descamps, Transformations of glassy indomethacin induced by ball-milling, J. Non-Cryst. Solids, vol.352, pp.4480-4485, 2006.
DOI : 10.1016/j.jnoncrysol.2006.02.130

J. C. Feeley, P. York, B. S. Sumby, and H. Dicks, Determination of surface properties and flow characteristics of salbutamol sulphate, before and after micronisation, Int. J. Pharm, vol.172, issue.1, pp.89-96, 1998.

J. C. Feeley, P. York, B. S. Sumby, and H. Dicks, Processing effects on the surface properties of a-lactose monohydrate assessed by inverse gas chromatography (IGC), J. Mater. Sci, vol.37, pp.217-222, 2002.

T. Feng, R. Pinal, and M. T. Carvajal, Process induced disorder in crystalline materials: differentiating defective crystals from the amorphous form of griseofulvin, J. Pharm. Sci, vol.97, issue.8, pp.3207-3221, 2008.

J. F. Gamble, M. Leane, D. Olusanmi, M. Tobyn, E. ?upuk et al., Surface energy analysis as a tool to probe the surface energy characteristics of micronized materials: a comparison with inverse gas chromatography, Int. J. Pharm, vol.422, issue.1, pp.238-244, 2012.

S. Hasegawa, P. Ke, and G. Buckton, Determination of the structural relaxation at the surface of amorphous solid dispersion using inversegas chromatography, J. Pharm. Sci, vol.98, issue.6, pp.2133-2139, 2009.

J. Y. Heng, F. Thielmann, and D. Williams, The effects of milling on the surface properties of form I paracetamol crystals, Pharm. Res, vol.8, pp.1918-1927, 2006.

R. Ho, S. Hinder, J. Watts, S. Dilworth, D. Williams et al., Determination of surface heterogeneity of D-mannitol by sessile drop contact angle and finite concentration inverse gas chromatography, Int. J. Pharm, vol.387, pp.79-86, 2010.
DOI : 10.1016/j.ijpharm.2009.12.011
URL : http://epubs.surrey.ac.uk/713367/1/Determination%20of%20Surface%20Heterogeneity%20of%20D-mannitol%20by%20Se%E2%80%A6.pdf

R. Ho, M. Naderi, J. Heng, D. Williams, F. Thielmann et al., Effect of milling on particle shape and surface heterogeneity of needle-shaped crystals, Pharm. Res, vol.29, pp.2806-2816, 2012.

H. Imaizumi, N. Nambu, and T. Nagai, Stability and several physical properties of amorphous and crystalline forms of indomethacin, Chem. Pharm. Bull. (Tokyo), vol.28, issue.9, pp.2565-2569, 1980.

M. D. Jones, P. Young, and D. Traini, The use of inverse gas chromatography for the study of lactose and pharmaceutical materials used in dry powder inhalers, Adv. Drug Deliv. Rev, vol.64, issue.3, pp.285-293, 2012.

Y. Y. Lee, J. X. Wu, M. Yang, P. M. Young, F. Van-den-berg et al., e of polymorphism in spray-dried mannitol, Eur. J. Pharm. Sci, vol.44, issue.1, pp.41-48, 2011.
DOI : 10.1016/j.ejps.2011.06.002

R. T. Lim, W. K. Ng, E. Widjaja, and R. B. Tan, Comparison of the physical stability and physicochemical properties of amorphous indomethacin prepared by co-milling and supercritical anti-solvent co-precipitation, J. Supercrit. Fluids, vol.79, pp.186-201, 2013.

P. E. Luner, Y. Zhang, Y. A. Abramov, and M. T. Carvajal, Evaluation of milling method on the surface energetics of molecular crystals using inverse gas chromatography, Cryst. Growth Des, vol.12, issue.11, pp.5271-5282, 2012.

S. G. Maas, G. Schaldach, E. M. Littringer, A. Mescher, U. J. Griesser et al., The impact of spray drying outlet temperature on the particle morphology of mannitol, Powder Technol, vol.213, issue.1, pp.27-35, 2011.

A. Nezzal, L. Aerts, M. Verspaille, G. Henderickx, and A. Rendl, Polymorphism of sorbitol, J. Crystal Growth, vol.311, pp.3863-3870, 2009.
DOI : 10.1016/j.jcrysgro.2009.06.003

H. Newell and G. Buckton, Inverse gas chromatography: investigating whether the technique preferentially probes high energy sites for mixtures of crystalline and amorphous lactose, Pharm. Res, vol.21, issue.8, pp.1440-1444, 2004.

M. Ohta and G. Buckton, Determination of the changes in surface energetics of cefditoren pivoxil as a consequence of processing induced disorder and equilibration to different relative humidities, Int. J. Pharm, vol.269, issue.1, pp.81-88, 2004.

A. Otte and M. T. Carvajal, Assessment of milling-induced disorder of two pharmaceutical compounds, J. Pharm. Sci, vol.100, issue.5, pp.1793-1804, 2011.

A. Otte, Y. Zhang, M. T. Carvajal, and R. Pinal, Milling induces disorder in crystalline griseofulvin and order in its amorphous counterpart, CrystEngComm, vol.14, issue.7, pp.2560-2570, 2012.
DOI : 10.1039/c2ce06365d

G. Pilcer, N. Wauthoz, and K. Amighi, Lactose characteristics and the generation of the aerosol, Adv. Drug Deliv. Rev, vol.64, issue.3, pp.233-256, 2012.

O. Planinsek, J. Zadnik, M. Kunaver, S. Srcic, and A. Godec, Structural evolution of indomethacin particles upon milling: time-resolved quantification and localization of disordered structure studied by IGC and DSC, J. Pharm. Sci, vol.99, issue.4, pp.1968-1981, 2010.

A. Saxena, J. Kendrick, I. Grimsey, and L. Mackint, Application of molecular modelling to determine the surface energy of mannitol, Int. J. Pharm, vol.343, pp.173-180, 2007.

M. H. Shariare, M. De-matas, P. York, and Q. Shao, The impact of material attributes and process parameters on the micronisation of lactose monohydrate, Int. J. Pharm, vol.408, issue.1, pp.58-66, 2011.

R. Surana, L. Randall, A. Pyne, N. M. Vemuri, and R. Suryanarayanan, Determination of glass transition temperature and in situ study of the plasticizing effect of water by inverse gas chromatography, Pharm. Res, vol.20, issue.10, pp.1647-1654, 2003.

P. Tang, H. Chan, H. Choiou, K. Ogawa, M. D. Jones et al., Characterisation and aerosolisation of mannitol particles produced via confined liquid impinging jets, Int. J. Pharm, vol.367, pp.51-57, 2009.
DOI : 10.1016/j.ijpharm.2008.09.024

D. Traini, P. M. Young, F. Thielmann, and M. Acharya, The influence of lactose pseudopolymorphic form on salbutamol sulfate-lactose interactions in DPI formulations, Drug Dev. Ind. Pharm, vol.34, issue.9, pp.992-1001, 2008.

M. D. Ticehurst, R. C. Rowe, and P. York, Determination of the surface properties of two batches of salbutamol sulphate by inverse gas chromatography, Int. J. Pharm, vol.111, issue.3, pp.241-249, 1994.

F. Thielmann, D. J. Burnett, and J. Y. Heng, Determination of the surface energy distributions of different processed lactose, Drug Dev. Ind. Pharm, vol.33, issue.11, pp.1240-1253, 2007.

H. H. Tong, B. Y. Shekunov, P. York, and A. H. Chow, Characterization of two polymorphs of salmeterol xinafoate crystallized from supercritical fluids, Pharm. Res, vol.18, issue.6, pp.852-858, 2001.

H. H. Tong, B. Y. Shekunov, P. York, and A. H. Chow, Predicting the aerosol performance of dry powder inhalation formulations by interparticulate interaction analysis using inverse gas chromatography, J. Pharm. Sci, vol.95, issue.1, pp.228-233, 2006.

L. Trowbridge, I. Grimsey, and P. York, Influence of milling on the surface properties of acetaminophen, Pharm. Sci, vol.1, p.310, 1998.

M. Yamauchi, E. Lee, A. Otte, S. R. Byrn, and M. Carvajal, Contrasting the surface and bulk properties of anhydrate and dehydrated hydrate materials, Cryst. Growth Des, vol.11, issue.3, pp.692-698, 2011.
DOI : 10.1021/cg101098v

P. York, M. D. Ticehurst, J. C. Osborn, R. J. Roberts, and R. C. Rowe, Characterisation of the surface energetics of milled DL-propranolol hydrochloride using inverse gas chromatography and molecular modelling, Int. J. Pharm, vol.174, issue.1, pp.179-186, 1998.