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Abdelhamid NS, Abdelaleem EA, Lashien A, Amin MM, Tohamy SI. The improvement of routine drug quality control analysis of some antihypertensive drugs using high-performance thin-layer chromatography densitometry method with greenness profile evaluation. J Sep Sci 2024; 47:e2300608. [PMID: 38066390 DOI: 10.1002/jssc.202300608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/20/2023] [Accepted: 11/24/2023] [Indexed: 01/19/2024]
Abstract
The common antihypertensive drugs are B-blockers and diuretics. For the determination of beta-blocker medicines (bisoprolol fumarate and carvedilol) and diuretic drug (Furosemide), new and accurate chromatographic method has been developed. The separation was achieved using a developing system that includes chloroform:methanol:ethyl acetate:ammonia (6:2:2:0.2 by volume) as a mobile phase and the bands were detected at 240 nm. The concentration ranges were 5-25, 1-7, and 1-3.5 μg/band for bisoprolol fumarate, carvedilol, and furosemide, respectively. This chromatographic approach is the first methodology for simultaneously determining bisoprolol fumarate, carvedilol, and furosemide in their pure forms and in their pharmaceutical dosage forms. The advantages of using known analytical procedures are their simplicity, speed, cost effectiveness, lack of laboriousness, and ability to save time as the three tablets are determined in one step and can be used for routine analysis of the investigated combinations in quality control laboratories. According to International Conference of Harmonization guidelines, the established procedures have been validated, and the results were statistically compared to those obtained by the reported reversed-phase-high-performance liquid chromatography methods using Student's t-test and F-test, with no significant difference between them, indicating that the proposed methods can be used for routine drug quality control analysis.
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Affiliation(s)
- Nessreen S Abdelhamid
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Eglal A Abdelaleem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Adel Lashien
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Nahda University, Sharq El Nile, Beni-Suef, Egypt
| | - Mahmoud M Amin
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Nahda University, Sharq El Nile, Beni-Suef, Egypt
| | - Salwa I Tohamy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
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Aayushi P, Shah K. Development and validation of stability indicating thin‐layer chromatography methods for simultaneous estimation of Bisoprolol Fumarate and Hydrochlorothiazide. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Patel Aayushi
- Parul Institute of Pharmacy and Research Parul University Vadodara India
| | - Ketan Shah
- Pharmaceutical Quality Assurance Shree Naranjibhai Lalbhai Patel College of Pharmacy Umrakh India
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Koçak B, İpek Y. Nafion–Titanium (IV) Oxide-Graphene Modified Glassy Carbon Electrode (GCE) Based Electrochemical Sensor for the Voltammetric Determination of the β-blocker Bisoprolol Fumarate. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2139837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Berna Koçak
- Vocational School of Tunceli, Chemistry and Chemical Process Technologies Department, Munzur University, Tunceli, Turkey
- Rare Earth Element Research and Application Center, Munzur University, Tunceli, Turkey
| | - Yeliz İpek
- Vocational School of Tunceli, Chemistry and Chemical Process Technologies Department, Munzur University, Tunceli, Turkey
- Rare Earth Element Research and Application Center, Munzur University, Tunceli, Turkey
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Hassan SA, Nashat NW, Elghobashy MR, Abbas SS, Moustafa AA, Mahmoud AM. Novel microfabricated solid-contact potentiometric sensors doped with multiwall carbon-nanotubes for simultaneous determination of bisoprolol and perindopril in spiked human plasma. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107323] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hassan SA, Nashat NW, Elghobashy MR, Abbas SS, Moustafa AA. Advanced chemometric methods as powerful tools for impurity profiling of drug substances and drug products: Application on bisoprolol and perindopril binary mixture. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120576. [PMID: 34774433 DOI: 10.1016/j.saa.2021.120576] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/22/2021] [Accepted: 10/31/2021] [Indexed: 06/13/2023]
Abstract
Impurity profiling has a rising importance nowadays due to the increased health problems associated with impurities and degradation products found in several drug substances and formulations. Three advanced, accurate and precise chemometric methods were developed as impurity profiling methods for a mixture of bisoprolol fumarate (BIS) and perindopril arginine (PER) with their degradation products which represent drug impurity or a precursor to such impurity. The methods applied were Partial Least Squares (PLS-1), Multivariate Curve Resolution-Alternating Least Squares (MCR-ALS) and Artificial Neural Networks (ANN). Genetic Algorithm (GA) was used as a variable selection tool to select the most significant wavelengths for the three chemometric models. For proper analysis, a 5-factor 5-level experimental design was used to establish a calibration set of 25 mixtures containing different ratios of the drugs and their degradation products (impurities). The validity of the proposed methods was assessed using an independent validation set. The designed models were able to predict the concentrations of the drugs and the degradation products/impurities in the validation set and pharmaceutical formulation. The proposed methods presented a powerful alternative to traditional and expensive chromatographic methods as impurity profiling tools.
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Affiliation(s)
- Said A Hassan
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini street, Cairo 11562, Egypt; Analytical Chemistry Department, Faculty of Pharmacy, Misr University for Science & Technology, Al-Motamayez District, P.O. Box 77, 6th of October City, Egypt.
| | - Nancy W Nashat
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini street, Cairo 11562, Egypt
| | - Mohamed R Elghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini street, Cairo 11562, Egypt; October 6 University, Faculty of Pharmacy, October 6 city, Giza, Egypt
| | - Samah S Abbas
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini street, Cairo 11562, Egypt
| | - Azza A Moustafa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini street, Cairo 11562, Egypt
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Eid SM, Hassan SA, Nashat NW, Elghobashy MR, Abbas SS, Moustafa AA. Optimization of localized surface plasmon resonance hot spots in surface-enhanced infrared absorption spectroscopy aluminum substrate as an optical sensor coupled to chemometric tools for the purity assay of quinary mixtures. Mikrochim Acta 2021; 188:195. [PMID: 34021787 DOI: 10.1007/s00604-021-04845-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 05/05/2021] [Indexed: 12/12/2022]
Abstract
Surface-enhanced infrared absorption spectroscopy offers an alternative to conventional IR spectroscopy and utilizes the signal enhancement exerted by the plasmon resonance of nanostructured metal thin films. Citrate-capped silver nanoparticles were prepared in a single-step method, and their morphology was identified using transmission electron microscopy, scanning electron microscopy, ultraviolet/visible spectrophotometry, and Zetasizer. The nanoparticles generated were deposited on the surface of cheap aluminum slides for different durations aiming for the selection of the best time producing a thin film, suitable to act as a lab-on-a-chip SEIRA substrate. These substrates were coupled to partial least squares regression tools for simultaneous resolving of the quinary mixture in commercial dosage forms of bisoprolol, perindopril, bisoprolol acid degradation product, bisoprolol alkali degradation product, and perindoprilat in concentration ranges of 15-75, 60-300, 15-55, 12-60, and 20-80 μg/mL with limits of detection values of 0.69, 3.43, 0.97, 1.25, and 1.09 μg/mL, respectively. Overall, we could demostrate that the localized surface plasmon resonance sensor coupled to chemometrics provides cheap, simple, selective, multiplex, rapid, and molecular specific procedures for impurity detection, which would be beneficial in many applications for quality control and quality accuracy of active pharmaceutical ingredients.
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Affiliation(s)
- Sherif M Eid
- Analytical Chemistry Department, Faculty of Pharmacy, October 6 University, Central axis street, 6 October City, Egypt.
| | - Said A Hassan
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, El-Kasr El-Aini Street, Cairo, ET-11562, Egypt
| | - Nancy W Nashat
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, El-Kasr El-Aini Street, Cairo, ET-11562, Egypt
| | - Mohamed R Elghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, October 6 University, Central axis street, 6 October City, Egypt.,Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, El-Kasr El-Aini Street, Cairo, ET-11562, Egypt
| | - Samah S Abbas
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, El-Kasr El-Aini Street, Cairo, ET-11562, Egypt
| | - Azza A Moustafa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, El-Kasr El-Aini Street, Cairo, ET-11562, Egypt
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Bisoprolol: A comprehensive profile. PROFILES OF DRUG SUBSTANCES, EXCIPIENTS, AND RELATED METHODOLOGY 2020; 46:51-89. [PMID: 33461700 DOI: 10.1016/bs.podrm.2020.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The present study describes a comprehensive profile of Bisoprolol including detailed nomenclature; formulae, elemental analysis, appearance, its uses, applications, and methods for the preparation are outlined. The profile contains physicochemical properties of Bisoprolol including pKa value, solubility, X-ray powder diffraction, and methods of analysis (including compendial, electrochemical, spectroscopic, chromatographic and capillary electrophoresis). The study also covers thermal analysis such as differential scanning calorimetry and thermogravimetry of Bisoprolol. Which gives a brief idea of melting point, glass transition as well as differentiation between anhydrous and hydrated forms. In addition to these functional groups and structural confirmation of bisoprolol also presented with the help of Fourier transform infrared spectrometry and nuclear magnetic resonance spectroscopy, respectively. The mass fragmentation pattern of bisoprolol fumarate was reported using the electrospray ionization technique. Some recently reported methods for pharmacokinetic analysis of bisoprolol using high-performance liquid chromatography as well as liquid chromatography-mass spectrometry were also included in the study.
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Mourad R, El badry Mohamed M, Frag EYZ, El‐Boraey HA, EL‐Sanafery SS. A Novel Molecularly Imprinted Potentiometric Sensor for the Fast Determination of Bisoprolol Fumarate in Biological Samples. ELECTROANAL 2020. [DOI: 10.1002/elan.202060043] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- R. Mourad
- Department of Polymers and Pigments National Research Centre Dokki Cairo Egypt
| | | | - Eman Y. Z. Frag
- Chemistry Department Faculty of Science Cairo University Giza Egypt
| | - Hanaa A. El‐Boraey
- Chemistry Department Faculty of Science Menoufia University Shebin AL-Kom
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Hassan SA, Nashat NW, Elghobashy MR, Abbas SS, Moustafa AA. Stability-Indicating RP-HPLC and CE Methods for Simultaneous Determination of Bisoprolol and Perindopril in Pharmaceutical Formulation: A Comparative Study. J Chromatogr Sci 2020; 58:747-758. [PMID: 32705119 DOI: 10.1093/chromsci/bmaa031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 05/07/2020] [Accepted: 06/04/2020] [Indexed: 11/14/2022]
Abstract
Two fast, accurate and selective stability-indicating methods were developed and validated for the simultaneous determination of bisoprolol, perindopril and three of their possible degradation products. The first proposed method was a gradient reversed phase-high-performance liquid chromatography (HPLC) method, whereas the second was a capillary electrophoresis method. The structures of the obtained degradation products were elucidated using infrared and mass spectrometry. They were also confirmed to be either a drug impurity in the British Pharmacopoeia or a precursor to such impurity. The linearity for bisoprolol and perindopril was achieved in the range of 1-20 μg mL-1 and 5-30 μg mL-1 for HPLC and capillary electrophoresis methods, respectively. The proposed methods were validated according to the International Conference on Harmonisation guidelines. The HPLC method proved to be more sensitive and succeeded in the quantitative determination of the obtained degradation products. Also, it was able to quantify perindopril impurity up to three times lower than the desired limit set by the British Pharmacopoeia. They were successfully employed in the determination of bisoprolol and perindopril in their combined pharmaceutical formulation.
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Affiliation(s)
- Said A Hassan
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Nancy W Nashat
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Mohamed R Elghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Samah S Abbas
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Azza A Moustafa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
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Yao T, Wang H, Si X, Yin S, Wu T, Wang P. Determination of trace fluoroquinolones in water solutions and in medicinal preparations by conventional and synchronous fluorescence spectrometry. OPEN CHEM 2018. [DOI: 10.1515/chem-2018-0125] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractSimple, rapid and sensitive and synchronous fluorescence spectrometry (SFS) were developed for determination the fluoroquinolones of ciprofloxacin (CIP), norfloxacin (NOR) and enrofloxacin (ENR) separately in water solutions and in medicinal preparations. The optimized wavelength intervals between the emission and excitation wavelengths were 170 nm, 160 nm and 170 nm for CIP, NOR and ENR, respectively. The different experimental parameters affecting the synchronous fluorescence intensities of the three fluoroquinolones were carefully studied. Under the optimal conditions, good linearity was obtained over the range of 0.01 to 1.20 mg/L, 0.005 to 0.45 mg/L and 0.005 to 0.60 mg/L for the CIP, NOR and ENR, and with good relative standard deviations below 1.9% (n=9). In addition, the detection limits for CIP, NOR and ENR were 0.17 μg/L, 0.013 μg/L and 0.055 μg/L, respectively. What is more, compared with the conventional fluorescence spectrometry, the SFS could detect lower concentrations of each fluoroquinolone. Moreover, the proposed SFS were validated and successfully applied for the quantitative assay of each fluoroquinolone in medicinal preparations.
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Affiliation(s)
- Ting Yao
- School of Management and Public Health, Wenzhou Medical University, Wenzhou, 325035, China
| | - Hongling Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Xuejing Si
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Shengnan Yin
- School of Management and Public Health, Wenzhou Medical University, Wenzhou, 325035, China
| | - Tunhua Wu
- School of Information and Engineering, Wenzhou Medical University, Wenzhou325035, China
| | - Ping Wang
- School of Information and Engineering, Wenzhou Medical University, Wenzhou325035, China
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Yin SN, Yao T, Wu TH, Zhang Y, Wang P. Novel metal nanoparticle-enhanced fluorescence for determination of trace amounts of fluoroquinolone in aqueous solutions. Talanta 2017; 174:14-20. [DOI: 10.1016/j.talanta.2017.05.053] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 05/11/2017] [Accepted: 05/18/2017] [Indexed: 11/16/2022]
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Mostafa A. Simultaneous Spectrophotometric Estimation of Bisoprolol Fumarate and Hydrochlorothiazide in Tablet Formulation using Partial Least-Squares, Principal Component Regression Multivariate Calibrations and RP-HPLC Methods. ACTA ACUST UNITED AC 2017. [DOI: 10.15406/japlr.2017.04.00124] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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13
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Heli H, Pishahang J, Amiri HB, Sattarahmady N. Synthesis of nickel nanowrinkles and its application for the electrocatalytic oxidation and sensitive detection of hydrochlorothiazide. Microchem J 2017. [DOI: 10.1016/j.microc.2016.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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14
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Zil’berg RA, Yarkaeva YA, Sidel’nikov AV, Maistrenko VN, Kraikin VA, Gileva NG. Voltammetric determination of bisoprolol on a glassy carbon electrode modified by poly(arylene phthalide). JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1134/s1061934816090173] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Fayez YM, Hegazy MA. Micellar Electrokinetic Chromatography (MEKC) with Multiresponse Chemometric Optimization for the Determination of Hydrochlorothiazide and Coformulated Antihypertensives in the Presence of Hydrochlorothiazide Major Impurity. J Chromatogr Sci 2016; 54:1050-60. [DOI: 10.1093/chromsci/bmw056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Indexed: 11/12/2022]
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Dobričić V, Vulović-Tadić M, Jančić-Stojanović B, Vladimirov S, Čudina O. Desirability Based Optimization and Validation of New RP-HPLC Method for Simultaneous Determination of Bisoprolol Fumarate, Hydrochlorothiazide and Their Impurities. Chromatographia 2016. [DOI: 10.1007/s10337-016-3065-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Marothu V, Yerramothu P, Gorrepati M, Majeti S, Mamidala S, Nellutla A. Application of HPLC to assess the compatibility of bisoprolol fumarate with selected excipients in mixtures by isothermal stress testing. ANNALES PHARMACEUTIQUES FRANÇAISES 2015; 73:442-51. [DOI: 10.1016/j.pharma.2015.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 05/18/2015] [Accepted: 05/20/2015] [Indexed: 10/23/2022]
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Patel TR, Patel TB, Suhagia BN, Shah SA. HPTLC Method for Simultaneous Estimation of Aliskiren, Amlodipine, and Hydrochlorothiazide in Synthetic Mixture Using Quality by Design Approach. J LIQ CHROMATOGR R T 2015. [DOI: 10.1080/10826076.2015.1076461] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Tushar R. Patel
- Faculty of Pharmacy, Dharmsinh Desai University, Gujarat, India
| | - Tejas B. Patel
- Faculty of Pharmacy, Dharmsinh Desai University, Gujarat, India
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Dinç E, Ertekin ZC, Rouhani G. A New RP-UPLC Method for Simultaneous Quantitative Estimation of Bisoprolol Hemifumarate and Hydrochlorothiazide in Tablets Using Experimental Design and Optimization. J LIQ CHROMATOGR R T 2015. [DOI: 10.1080/10826076.2014.999200] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Erdal Dinç
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Tandoğan Ankara, Turkey
| | - Zehra Ceren Ertekin
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Tandoğan Ankara, Turkey
| | - Ghazal Rouhani
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Tandoğan Ankara, Turkey
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El-Bagary RI, Elkady EF, Ayoub BM. Development and validation of a reversed phase liquid chromatographic method for the determination of three Gliptins and Metformin in the presence of Metformin impurity (1-cyanoguanidine). ACTA ACUST UNITED AC 2013. [DOI: 10.5155/eurjchem.4.4.444-449.844] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Stability-Indicating UPLC Method for the Determination of Bisoprolol Fumarate and Hydrochlorothiazide: Application to Dosage Forms and Biological Sample. Chromatographia 2013. [DOI: 10.1007/s10337-013-2606-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Belal F, El-Brashy AM, El-Enany N, Tolba MM. RATIO DERIVATIVE SPECTROPHOTOMETRIC AND MICELLAR LIQUID CHROMATOGRAPHIC METHODS FOR THE SIMULTANEOUS DETERMINATION OF HYDROCHLOROTHIAZIDE AND PINDOLOL IN PHARMACEUTICAL PREPARATIONS. J LIQ CHROMATOGR R T 2012. [DOI: 10.1080/10826076.2011.627601] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- F. Belal
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura , Egypt
| | - A. M. El-Brashy
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura , Egypt
| | - N. El-Enany
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura , Egypt
| | - M. M. Tolba
- a Department of Analytical Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura , Egypt
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Tatar Ulu S, Aydogmus Z. An HPLC Method for the Determination of Bisoprolol in Human Plasma and its Application to a Pharmacokinetic Study. J Chromatogr Sci 2012; 50:615-9. [DOI: 10.1093/chromsci/bms056] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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24
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Elkady EF, Fouad MA. TWO LIQUID CHROMATOGRAPHIC METHODS FOR THE SIMULTANEOUS DETERMINATION OF IBUPROFEN AND METHOCARBAMOL OR CHLORZOXAZONE IN THE PRESENCE OF THEIR DEGRADATION PRODUCTS. J LIQ CHROMATOGR R T 2012. [DOI: 10.1080/10826076.2011.613142] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Ehab F. Elkady
- a Pharmaceutical Chemistry Department, Faculty of Pharmacy , Cairo University , Cairo , Egypt
| | - Marwa A. Fouad
- a Pharmaceutical Chemistry Department, Faculty of Pharmacy , Cairo University , Cairo , Egypt
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Nigović B, Marušić M, Jurić S. A highly sensitive method for determination of β-blocker drugs using a Nafion-coated glassy carbon electrode. J Electroanal Chem (Lausanne) 2011. [DOI: 10.1016/j.jelechem.2011.09.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Sangoi MDS, Wrasse-Sangoi M, de Oliveira PR, Todeschini V, Rolim CMB. RAPID SIMULTANEOUS DETERMINATION OF ALISKIREN AND HYDROCHLOROTHIAZIDE FROM THEIR PHARMACEUTICAL FORMULATIONS BY MONOLITHIC SILICA HPLC COLUMN EMPLOYING EXPERIMENTAL DESIGNS. J LIQ CHROMATOGR R T 2011. [DOI: 10.1080/10826076.2011.582910] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Maximiliano da Silva Sangoi
- a Faculty of Pharmacy , Laboratory of Research in Pharmaceutical Quality Control, Federal University of Rio Grande do Sul , Porto Alegre-RS, Brazil
| | - Micheli Wrasse-Sangoi
- b Department of Industrial Pharmacy , Federal University of Santa Maria , Santa Maria-RS, Brazil
| | - Paulo Renato de Oliveira
- c Department of Pharmaceutical Sciences , Federal University of Santa Catarina , Florianópolis-SC, Brazil
| | - Vítor Todeschini
- a Faculty of Pharmacy , Laboratory of Research in Pharmaceutical Quality Control, Federal University of Rio Grande do Sul , Porto Alegre-RS, Brazil
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Sangoi MS, Wrasse-Sangoi M, Oliveira PR, Rolim CMB, Steppe M. Simultaneous determination of aliskiren and hydrochlorothiazide from their pharmaceutical preparations using a validated stability-indicating MEKC method. J Sep Sci 2011; 34:1859-66. [DOI: 10.1002/jssc.201100241] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2011] [Revised: 05/05/2011] [Accepted: 05/06/2011] [Indexed: 11/06/2022]
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Al-Tannak NF, Bawazeer S, Siddiqui TH, Watson DG. The hydrophilic interaction like properties of some reversed phase high performance liquid chromatography columns in the analysis of basic compounds. J Chromatogr A 2011; 1218:1486-91. [DOI: 10.1016/j.chroma.2011.01.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2010] [Revised: 01/07/2011] [Accepted: 01/12/2011] [Indexed: 11/29/2022]
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Moussa B, Mohamed M, Youssef N. Simultaneous densitometric TLC analysis of olmesartan medoxomil and hydrochlorothiazide in the tablet dosage form. JPC-J PLANAR CHROMAT 2011. [DOI: 10.1556/jpc.24.2011.1.6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Joshi SJ, Karbhari PA, Bhoir SI, Bindu K, Das C. RP-HPLC method for simultaneous estimation of bisoprolol fumarate and hydrochlorothiazide in tablet formulation. J Pharm Biomed Anal 2010; 52:362-71. [DOI: 10.1016/j.jpba.2009.10.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2009] [Revised: 10/21/2009] [Accepted: 10/22/2009] [Indexed: 10/20/2022]
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Affiliation(s)
- R K Gilpin
- Brehm Research Laboratory University Park, Wright State University, Fairborn, Ohio 45324-2031, USA
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