Validation and application of Vierordt's spectrophotometric method for simultaneous estimation of tamoxifen/coenzyme Q10 in their binary mixture and pharmaceutical dosage forms

Folkers, 1997, Activities of vitamin Q10 in animal models and a serious deficiency in patients with cancer, Biochem Biophys Res Commun, 234, 296, 10.1006/bbrc.1997.6522 Klaunig, 2004, The role of stress in carcinogenesis, Annu Rev Pharmacol Toxicol, 44, 239, 10.1146/annurev.pharmtox.44.101802.121851 MacGregor, 1998, Basic guide to the mechanisms of antiestrogen action, Pharmacol Rev, 50, 151 Perumal, 2005, Augmented efficacy of tamoxifen in rat breast tumorigenesis when gavaged along with riboflavin, niacin, and CoQ10: effects on lipid peroxidation and antioxidants in mitochondria, Chem Biol Interact, 152, 49, 10.1016/j.cbi.2005.01.007 Muta-Takada, 2009, Coenzyme Q10 protects against oxidative stress-induced cell death and enhances the synthesis of basement membrane components in dermal and epidermal cells, Biofactors, 35, 435, 10.1002/biof.56 Lockwood, 1994, Apparent partial remission of breast cancer in ‘high risk’ patients supplemented with nutritional antioxidants, essential fatty acids and coenzyme Q10, Mol Aspects Med, 231, 10.1016/0098-2997(94)90033-7 Altinos, 2001, Analysis of glimepiride by using derivative UV spectrophotometric method, J Pharm Biomed Anal, 24, 507, 10.1016/S0731-7085(00)00445-3 Lemus Gallego, 2001, Simultaneous resolution of dexamethasone and polymyxin b by spectrophotometry derivative and multivariate methods, Anal Lett, 34, 1265, 10.1081/AL-100104152 Nanda, 2008, Simultaneous estimation of montelukast sodium and bambuterol hydrochloride in tablets by spectrophotometry, Hindustan Antibiot Bull, 49–50, 29 Darwish, 2011, Three different spectrophotometric methods manipulating ratio spectra for determination of binary mixture of amlodipine and atorvastatin, Spectrochim Acta, 83, 140, 10.1016/j.saa.2011.08.005 Hassib, 2011, Validated stability-indicating derivative and derivative ratio methods for the determination of some drugs used to alleviate respiratory tract disorders and their degradation products, Drug Test Anal, 3, 306, 10.1002/dta.258 El-Bardicy, 2008, Smart stability-indicating spectrophotometric methods for determination of binary mixtures without prior separation, JAOAC Int, 91, 299, 10.1093/jaoac/91.2.299 Giriraj, 2014, New simple spectrophotometric method for the simultaneous estimation of paracetamol and flupirtine maleate in pure and pharmaceutical dosage form, Int J Spectro, 1, 10.1155/2014/968420 Visagaperumal, 2014, Development and validation of UV spectrophotometric method (Vierordt's Method) for simultaneous estimation of eperisone hydrochloride and paracetamol in tablets, Ph Tech Med, 3, 441 Rizk, 2014, Applicability of bivariate calibration algorithm and Vierordt method for simultaneous determination of timolol maleate and brimonidine tartrate in their binary mixture and pharmaceutical dosage form, IJPSR, 5, 2631 Sandeep, 2014, Spectrophotometric quantitative estimation of atenolol and losartan potassium in bulk drugs and pharmaceutical dosage form, WJPPS, 3, 1026 Michael, 2013, The essence of modern HPLC: advantages, limitations, fundamentals, and opportunities, LCGC, 31, 472 US EPA, Estimation program interface (EPI) Suite, Nov 13, 2006. Teeranachaideekul, 2007, Encapsulation of ascorbyl palmitate in nanostructured lipid carriers NLC – effects of formulation parameters on physicochemical stability, Int J Pharm, 340, 198, 10.1016/j.ijpharm.2007.03.022 Taupitz, 2010, Can biorelevant media be simplified by using SLS and Tween 80 to replace bile compounds?, Todd J, 4, 30, 10.2174/1874126601004020030 Garud, 2012, Solid lipid nanoparticles (SLN): method, characterization and applications, Int Curr Pharm J, 1, 384, 10.3329/icpj.v1i11.12065 Loxley, 2009, Solid lipid nanoparticles for the delivery of pharmaceutical actives, Drug Del Techno, 9, 20 Fang, 2008, Lipid nanoparticles as vehicles for topical psoralen delivery: solid lipid nanoparticles (SLN) versus nanostructured lipid carriers (NLC), Eur J Pharm Biopharm, 70, 633, 10.1016/j.ejpb.2008.05.008 Yuan, 2007, Preparation and characteristics of nanostructured lipid carriers for control-releasing progesterone by melt-emulsification, Colloids Surf B Biointerfaces, 60, 174, 10.1016/j.colsurfb.2007.06.011 Beckett, 1997, 282 ICH Harmonized Tripartite Guideline, Validation of analytical procedures: text and methodology, Q2(R1), current step 4 version, parent guidelines on methodology; November 2005. Monteagudo, 2012, Development, characterization, and in vitro evaluation of tamoxifen microemulsions, J Drug Del, 1, 10.1155/2012/236713 Karpińska, 2006, HPLC method for simultaneous determination of retinol, alpha-tocopherol and coenzyme Q10 in human plasma, J Pharm Biomed Anal, 18, 232, 10.1016/j.jpba.2006.03.037 Shrikrishna, 2012, Validation of simple and rapid UV-spectrophotometric method with stress degradation study for sildenafil citrate, Res J Pharm Tech, 5, 214