[E. Escibano, A. C. Calpena, J. Queralt, R. Obach and J. Domenech, Assessment of diclofenac permeation with different formulations: anti-inflammatory study of a selected formula, Eur. J. Pharm. Sci.19 (2003) 203--210; DOI: 10.1016/S0928-0987(03)00103-9.10.1016/S0928-0987(03)00103-9]Search in Google Scholar
[Gaurel, A. M. Martel and J. Castaner, Celecoxib, anti-inflammatory, cyclo-oxygenase-2 inhibitor, Drug Future22 (1997) 711--714.]Search in Google Scholar
[K. A. Walters, Penetration Enhancers and their Use in Transdermal Therapeutic Systems, in Transdermal Drug Delivery: Developmental Issues and Research Initiatives (Eds. J. Hadgraft and R. H. Guy), Marcel Dekker, New York 1989, pp. 197--246.]Search in Google Scholar
[D. W. Osborne, A. J. Ward and K. J. Neil, Microemulsions as topical delivery vehicles: in-vitro transdermal studies of a model hydrophilic drug, J. Pharm. Phamacol.43 (1991) 450--454.]Search in Google Scholar
[M. Trotta, F. Pattarino and M. R. Gasco, Influence of counter ions on the skin permeation of methotrexate from water-oil microemulsions, Pharm. Acta. Helv.71 (1996) 135--140; DOI: 10.1016/0031-6865(96)00003-9.10.1016/0031-6865(96)00003-9]Search in Google Scholar
[S. Shafiq, S. Faiyaz, T. Sushma, J. A. Farhan, R. K. Khar and M. Ali, Design and development of ramipril nanoemulsion formulation: In vitro and in vivo assessment, J. Biomed. Nanotechnol.3 (2007) 28--44; DOI: 10.1166/jbn.2007.008.10.1166/jbn.2007.008]Search in Google Scholar
[S. Shafiq, S. Faiyaz, T. Sushma, J. A. Farhan, R. K. Khar and M. Ali, Development and bioavailability assessment of ramipril nanoemulsion formulation, Eur. J. Pharm. Biopharm.66 (2007) 227--243; DOI: org/10.1016/j.ejpb.2006.10.014.]Search in Google Scholar
[M. B. Delgado-Charro, G. Iglesias-Vilas, J. Blanco-Mendez, M. J. Lopez-Quintela, M. A. Marty and J. P. Guy, Delivery of a hydrophilic solute through the skin from novel microemulsion systems, Eur. J. Pharm. Biopharm.43 (1997) 37--42; DOI: 10.1016/S0939-6411(96)00016-1.10.1016/S0939-6411(96)00016-1]Search in Google Scholar
[M. Kreilgaard, E. J. Pedersen and J. W. Jaroszewski, NMR characterization and transdermal drug delivery potentials of microemulsion systems, J. Control. Rel.69 (2000) 421--433; DOI: 10.1016/S0168-3659(00)00325-4.10.1016/S0168-3659(00)00325-4]Search in Google Scholar
[P. J. Lee, R. Langer and V. P. Shastri, Novel microemulsion enhancer formulation for simultaneous transdermal delivery of hydrophilic and hydrophobic drugs, Pharm. Res.20 (2003) 264--269; DOI: 10.1023/A:1022283423116.10.1023/A:1022283423116]Search in Google Scholar
[M. Kreilgaard, Dermal pharmacokinetics of microemulsion formulations determined by in-vitro microdialysis, Pharm. Res.18 (2001) 367--373; DOI: 10.1023/A:1011067300397.10.1023/A:1011067300397]Search in Google Scholar
[M. Kreilgaard, M. J. B. Kemme, J. Burggraaf, R. C. Schoemaker and A. F. Cohen, Influence of a microemulsion vehicle on cutaneous bioequivalence of a lipophilic model drug assessed by microdialysis and pharmacodynamics, Pharm. Res.18 (2001) 593--599; DOI: 10.1023/A:1011068907416.10.1023/A:1011068907416]Search in Google Scholar
[M. R. Gasco, M. Gallarate and F. Pattarino, In-vitro permeation of zelaic acid from viscosized microemulsions, Int. J. Pharm.69 (1991) 193--196; DOI: 10.1016/0378-5173(91)90361-Q.10.1016/0378-5173(91)90361-Q]Search in Google Scholar
[K. Kriwet and C. C. Muller-Goymann, Diclofenac release from phospholipids drug systems and permeation through excised human stratum corneum, Int. J. Pharm.125 (1995) 231--242; DOI: 10.1016/0378-5173(95)00130-B.10.1016/0378-5173(95)00130-B]Search in Google Scholar
[S. Baboota, F. Shakeel, A. Ahuja, J. Ali, S. Shafiq and S. Ahmed, Development and validation of stability indicating HPLC method for analysis of Celecoxib in bulk drug and microemulsion formulations, Acta Chromat. (in press).]Search in Google Scholar
[N. J. Van Abbe, P. Nicholas and E. Boon, Exaggerated exposure in topical irritancy and sensitization testing, J. Soc. Cosmet. Chem.26 (1975) 173--187.]Search in Google Scholar
[C. A. Winter, Anti-inflammatory testing methods: Comparative evaluation of indomethacin and other agents, NSAID, 82 (1965) 190--202.]Search in Google Scholar
[M. N. Gosh, Fundamentals of Experimental Pharmacology, 3rd ed., Hilton and Co., Kolkata 2005, p. 192.]Search in Google Scholar
[D. Q. M. Craig, S. A. Barker, D. Banning and S. W. Booth, An investigation into the mechanisms of self-emulsification using particle size analysis and low frequency dielectric spectroscopy, Int. J. Pharm.114 (1995) 103--110; DOI: 10.1016/0378-5173(94)00222-Q.10.1016/0378-5173(94)00222-Q]Search in Google Scholar
[K. Kawakami, T. Yoshikawa, Y. Moroto, E. Kanaoka, K. Takahashi, Y. Nishihara and K. Masuda, Microemulsion formulation for enhanced absorption of poorly soluble drugs I. Prescription design, J. Control. Rel.81 (2002) 65--74; DOI: 10.1016/S0168-3659(02)00049-4.10.1016/S0168-3659(02)00049-4]Search in Google Scholar
[M. J. Lawrence and G. D. Rees, Microemulsion-based media as novel drug delivery systems, Adv. Drug Deliv. Rev.45 (2000) 89--121; DOI: 10.1016/S0169-409X(00)00103-4.10.1016/S0169-409X(00)00103-4]Search in Google Scholar
[W. Warisnoicharoen, A. B. Lansley and M. J. Lawrence, Light scattering investigations on dilute non-ionic oil-in-water microemulsions, AAPS PharmSci.2 (2000) article 12; DOI: 10.1208/ps020212.10.1208/ps020212275102611741228]Search in Google Scholar
[L. Ping, A. Ghosh, R. F. Wagner, S. Krill, Y. M. Joshi and A. T. M. Serajuddin, Effect of combined use of nonionic surfactant on formation of oil-in-water microemulsions, Int. J. Pharm.288 (2005) 27--34; DOI: 10.1016/jijpharm.2004.08.024.]Search in Google Scholar
[K. Shinoda and H. Kunieda, Phase Properties of Emulsions: PIT and HLB, in Encyclopedia of Emulsion Technolog (Eds. K. Shinoda and H. H. Kunieda), Marcel Dekker, New York 1983, pp. 337--367.]Search in Google Scholar
[N. J. Kale and A. V. Allen, Studies on microemulsions using Brij-96 as surfactant and glycerin, ethylene glycol and propylene glycol as cosurfactants, Int. J. Pharm.57 (1998) 87--93; DOI: 10. 1016/0378-5173(89)90296-2.]Search in Google Scholar
[D. Thacrodi and R. K. Panduranga, Transdermal absorption of nifedipine from microemulsions of lipophilic skin penetration enhancers, Int. J. Pharm.111 (1994) 235--240; DOI: 10.1016/0378--5173(94)90346-8.]Search in Google Scholar
