Items where Author is "Walker, R.B."

King’ori, L.D. and Walker, R.B. (2012) The Use of Response Surface Methodology to Evaluate the Impact of Level 2 SUPAC–IR Changes on the In Vitro Release of Metronidazole and Ranitidine from a Fixed-Dose Combination Tablet. Dissolution Technologies, 19 (2). pp. 28-36. ISSN 1521-298X

Khamanga, S.M.M. and Walker, R.B. (2012) In vitro dissolution kinetics of Captopril from microspheres manufactured by solvent evaporation. Dissolution Technologies, 19 (1). pp. 42-51. ISSN 1521-298X

Chaibva, F. A. and Walker, R.B. (2010) Analytical methods for the quantitative determination of oxytocin. International Journal of Medical and Biological Frontiers , 16 (9-10). pp. 1067-2010. ISSN 1081-3829

Walker, R.B. (1995) HPLC analysis and pharmacokinetics of cyclizine. PhD thesis, Rhodes University.

Mills, E.J. and Schabas, W.A. and Volmink, J. and Walker, R.B. and Ford, N. and Katabira, E. and Anema, A. and Joffres, M. and Cahn, P. and Montaner, J. (2008) Should active recruitment of health workers from sub-Saharan Africa be viewed as a crime? Lancet, 371 (9613). pp. 685-688. ISSN 0140-6736

Attaran, A. and Walker, R.B. (2008) Shoppers Drug Mart or poachers Drug Mart? CMAJ: Canadian Medical Association Journal, 178 (3). pp. 265-266. ISSN 0820-3946

Demana, P.H. and Smith, E.W. and Walker, R.B. and Haigh, J.M. and Kanfer, I. (1997) Evaluation of the proposed FDA pilot-dose response methodology for topical corticosteroid bioequivalence testing. Pharmaceutical Research, 14 (3). pp. 179-183. ISSN 1573-904X

Smith, E.W. and Walker, R.B. and Haigh, J.M. and Kanfer, I. (1998) Evaluation of the proposed FDA pilot-dose response methodology for topical corticosteroid bioeqivalence testing [authors' reply in Letters to the Editor]. Pharmaceutical Research, 15 (1). pp. 4-7. ISSN 0724-8741 (Print) 1573-904X (Online)

Smith, E.W. and Haigh, J.M. and Walker, R.B. (1998) Analysis of chromameter results obtained from corticosteroid-induced skin blanching. I. Manipulation of data. Pharmaceutical Research, 15 (2). pp. 280-285. ISSN 1573-904X

Mohammadi, A. and Rezanour, N. and Ansari Dogaheh, M. and Ghorbani Bidkorbeh, F. and Hashem, M. and Walker, R.B. (2007) A stability-indicating high performance liquid chromatographic (HPLC) assay for the simultaneous determination of atorvastatin and amlodipine in commercial tablets. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, 846 (1/2). pp. 215-221. ISSN 1570-0232

Kanfer, I. and Skinner, M.F. and Walker, R.B. (1998) Analysis of macrolide antibiotics. Journal of Chromatography A, 812 (1/2). pp. 255-286. ISSN 0021-9673

Mohammadi, I. and Kanfer, I. and Walker, R.B. (2004) A capillary zone electrophoresis (CZE) method for the determination of cyclizine hydrochloride in tablets and suppositories. Journal of Pharmaceutical and Biomedical Analysis, 35 (1). pp. 233-239. ISSN 0731-7085

Mohammadi, A. and Haririan, I. and Rezanour, I. and Ghiasi, L. and Walker, R.B. (2006) A stability-indicating high performance liquid chromatographic assay for the determination of orlistat in capsules. Journal of Chromatography A, 1116 (1/2). pp. 153-157. ISSN 0021-9673

Verbeeck, R.K. and Kanfer, I. and Walker, R.B. (2006) Generic substitution: The use of medicinal products containing different salts and implications for safety and efficacy. European Journal of Pharmaceutical Sciences, 28 (1/2). pp. 1-6. ISSN 0928-0987

Mohammadi, A. and Kanfer, I. and Sewram, V. and Walker, R.B. (2005) An LC–MS–MS method for the determination of cyclizine in human serum. Journal of Chromatography B, 824 (1/2). pp. 148-152. ISSN 1570-0232

Mohammadi, A. and Amini, M. and Hamedani, M.P. and Torkabadi, H.H. and Walker, R.B. (2008) Study of the formation of artifacts following Dichloromethane reaction with some nitrogenous drugs. Asian Journal of Chemistry, 20 (7). pp. 5573-5580. ISSN 0970-7077

Mohammadi, A. and Alizadeh, T. and Dinarvand, R. and Ganjali, M.R. and Walker, R.B. (2009) Synthesis of molecularly imprinted polymer for selective solid-phase extraction of Salbutamol from urine samples. Asian Journal of Chemistry, 21 (4). pp. 2875-2880. ISSN 0970-7077

Khamanga, S.M.M. and Parfitt, N. and Nyamuzhiwa, T. and Haidula, H. and Walker, R.B. (2009) The evaluation of Eudragit microcapsules manufactured by solvent evaporation using USP Apparatus 1. Dissolution Technologies, 16 (2). pp. 15-21. ISSN 1521-298X

Walker, R.B. and Smith, E.W. (1996) Role of percutaneous penetration enhancers. Advanced Drug Delivery Reviews, 18 (3). pp. 295-301.

Chaibva, F. A. and Walker, R.B. (2006) Development and validation of a stability-indicating analytical method for the quantitation of oxytocin in pharmaceutical dosage forms. Journal of Pharmaceutical and Biomedical Analysis, 43 (1). pp. 179-185. ISSN 0731-7085

Walker, R.B. and Haigh, J.M. and Smith, E.W. (2000) Application of the Minolta chromameter to the assessment of corticosteroid-induced skin blanching. In: Cutaneous Biometrics. Kluwer Academic/Plenum, New York, pp. 295-305. ISBN 0306461595

Khamanga, S.M.M. and Walker, R.B. (2007) The effects of buffer molarity, agitation rate and mesh size on verapamil release from modified release mini-tablets using USP Apparatus 3. Dissolution Technologies, 14 (2). pp. 19-23. ISSN 1521-298X

Walker, R.B. and Kanfer, I. (1995) Sensitive high-performance liquid chromatographic determination of cyclizine and its demethylated metabolite, norcyclizine, in biological fluids using coulometric detection. Journal of Chromatography B: Biomedical Applications, 672 (1). pp. 172-177. ISSN 1570-0232

Maharaj, D.S. and Walker, R.B. and Glass, B.D. and Daya, S. (2003) 6-Hydroxymelatonin protects against cyanide induced oxidative stress in rat brain homogenates. Journal of Chemical Neuroanatomy, 26 (2). pp. 103-107. ISSN 0891-0618

Chaibva, F. A. and Walker, R.B. (2007) The Comparison of In Vitro Release Methods for the Evaluation of Oxytocin Release from Pluronic® F127 Parenteral Formulations. Dissolution technologies, 14 (4). pp. 15-25. ISSN 1521-298X

Chaibva, F. A. and Burton, M and Walker, R.B. (2010) Optimization of salbutamol sulfate dissolution from sustained release matrix formulations using an artificial neural network. Pharmaceutics, 2 (2). pp. 182-198. ISSN 1999-4923

Mohammadi, A. and Rezanour, N. and Ansari Dogaheh, M. and Walker, R.B. (2010) Development of a stability-indicating high performance liquid chromatographic method for the analysis of topiramate and dissolution rate testing in topiramate tablets. Asian Journal of Chemistry, 22 (5). pp. 3856-3866. ISSN 0970-7077

Mohammadi, A. and Esmaeili, F and Dinarvand, R. and Atyabi, F and Walker, R.B. (2010) Simultaneous determination of irinotecan hydrochloride and its related compounds by high performance liquid chromatography using ultraviolet detection. Asian Journal of Chemistry, 22 (5). pp. 3966-3972.

Moghaddam, A.B. and Mohammadi, A. and Mohammadi, S. and Rayeji, D. and Dinarvand, R. and Baghi, M. and Walker, R.B. (2010) The determination of acetaminophen using a carbon nanotube: graphite-based electrode. Microchimica acta, 171 (3/4). pp. 377-384. ISSN 0026-3672

Sharma, R. and Walker, R.B. and Pathak, K. (2011) Evaluation of the kinetics and mechanism of drug release from Econazole nitrate nanosponge loaded Carbapol Hydrogel. Indian Journal of Pharmaceutical Education and Research, 55 (1). pp. 25-31. ISSN 0019-5464