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Sharkawi MMZ, Safwat MT, Abdelaleem EA, Abdelwahab NS. Chromatographic analysis of triple cough therapy; bromhexine, guaiafenesin and salbutamol and pharmaceutical impurity: in-silico toxicity profile of drug impurity. BMC Chem 2024; 18:19. [PMID: 38281055 PMCID: PMC10821540 DOI: 10.1186/s13065-024-01122-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 01/10/2024] [Indexed: 01/29/2024] Open
Abstract
Bromhexine (BR), guaiafenesin (GUF) and salbutamol (SAL) are formulated as Ventocough syrup® (with and without sugar), labeled to contain propyl paraben and sodium benzoate as inactive ingredients. They are used to make coughing more productive and easier. A crucial element and a major issue in the pharmaceutical industry is the control of organic related impurities to obtain safe and effective treatment. Guaiacol (GUL) is reported to be GUF related impurity that was proved to be extremely toxic (toxic rating class 5), and its use should be banned. In this work, In-Silico study and ADMET estimation were conducted to predict GUL pharmacokinetic properties and its toxicity profile. Additionally, two chromatographic methods were conducted to analyze the studied components along with GUF impurity in the presence of the labeled dosage form excipients. The In-Silico study assured that GUL has oral rat acute toxicity and it is considered to be skin sensitizer. On the other hand, the developed TLC- densitometeric method depended on using a mobile phase mixture of hexane: methylene chloride: triethylamine (5.0:6.0:0.3, by volume) as a developing system. UV-Scanning was performed immediately at 275 nm for SAL, GUF and GUL, while scanning at 310 nm was used for scanning BR. Linearity was established in the ranges of 0.25-4.0, 0.25-4.0, 0.5-8.0 and 0.1-1.6 µg/band for BR, SAL, GUF and GUL, respectively. In the developed HPLC method, separation was performed on X-Bridge® C18 column (250 × 4.6 mm, 5 μm) using a solvent mixture of 0.05M disodium hydrogen phosphate pH 3 with aqueous phosphoric acid: methanol (containing 0.3%, v/v triethylamine) (40:60, v/v). Detection was done at 225 nm and separation was achieved within 10 min. Linearity was proved in the range of 2-50 µg/mL for the proposed drugs. Validation of the developed methods was done and all the calculated parameters were within the acceptable limits recommended by ICH guidelines. After that, methods were used to examine the potency of the selected marketed dosage forms and concentrations of all drugs were within the acceptable limits. Additionally, complete separation between the studied drugs and the additives were observed. The developed methods can be used during routine quality control analysis of the proposed drugs when the required issues concern on sensitivity, selectivity and analysis time.
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Affiliation(s)
- Marco M Z Sharkawi
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmed Hegazy St., Beni-Suef, 62514, Egypt
| | - Mark T Safwat
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University in Beni-Suef (NUB), Bayad Al Arab, New Beni-Suef City, Beni-Suef, 62764, Egypt
| | - Eglal A Abdelaleem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmed Hegazy St., Beni-Suef, 62514, Egypt
| | - Nada S Abdelwahab
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmed Hegazy St., Beni-Suef, 62514, Egypt.
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Maharjan A, Choi W, Kim HT, Park JH. Catalytic hydrolysis of agar using magnetic nanoparticles: optimization and characterization. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2023; 16:193. [PMID: 38093358 PMCID: PMC10720145 DOI: 10.1186/s13068-023-02441-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND Agar is used as a gelling agent that possesses a variety of biological properties; it consists of the polysaccharides agarose and porphyrin. In addition, the monomeric sugars generated after agar hydrolysis can be functionalized for use in biorefineries and biofuel production. The main objective of this study was to develop a sustainable agar hydrolysis process for bioethanol production using nanotechnology. Peroxidase-mimicking Fe3O4-MNPs were applied for agar degradation to generate agar hydrolysate-soluble fractions amenable to Saccharomyces cerevisiae and Escherichia coli during fermentation. RESULTS Fe3O4-MNP-treated (Fe3O4-MNPs, 1 g/L) agar exhibited 0.903 g/L of reducing sugar, which was 21-fold higher than that of the control (without Fe3O4-MNP-treated). Approximately 0.0181% and 0.0042% of ethanol from 1% of agar was achieved using Saccharomyces cerevisiae and Escherichia coli, respectively, after process optimization. Furthermore, different analytical techniques (FTIR, SEM, TEM, EDS, XRD, and TGA) were applied to validate the efficiency of Fe3O4-MNPs in agar degradation. CONCLUSIONS To the best of our knowledge, Fe3O4-MNP-treated agar degradation for bioethanol production through process optimization is a simpler, easier, and novel method for commercialization.
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Affiliation(s)
- Anoth Maharjan
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea
| | - Wonho Choi
- 4D Convergence Technology Institute (National Key Technology Institute in University), Korea National University of Transportation, Jungpyeong, 27909, Republic of Korea
| | - Hee Taek Kim
- Department of Food Science and Technology, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jung-Ho Park
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, Korea University of Science and Technology (UST), 217 Gajeong-Ro, Yuseong-Gu, Daejeon, Korea.
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Sonawane PD, Chaudhari SR, Ganorkar SB, Patil AS, Shirkhedkar AA. A brief review on critical analytical aspects for quantification of ambroxol in biological samples. Anal Biochem 2022; 657:114888. [PMID: 36087766 DOI: 10.1016/j.ab.2022.114888] [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: 04/05/2022] [Revised: 09/02/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022]
Abstract
Ambroxol (AMB) is a member of the expectorant class, widely used as a secreolytic agent in patients to break up secretions. AMB is rapidly and effectively distributed from blood to tissue. The lungs have the highest concentration of AMB; accumulation of AMB in human lung tissue was detected at concentrations 15- to 20-fold greater than those reported in the circulation. Because of its wide range of actions and therapeutic applications may be worth looking into, particularly for respiratory symptoms, antioxidant, anti-inflammatory, influenza, and rhinovirus infections. Though several analytical methodologies have been established and confirmed for the AMB analysis in matrices of pharmaceutical and biological origins, novel sustainable, and economical methods are still to be choice of protocol to increase its sensitivity, reliability, and repeatability. Therefore, the present review offers an overview of critical analytical aspects regarding the HPLC, LC-MS/MS, HPTLC, capillary electrophoresis, spectrophotometry, and electrochemical methods for quantifying AMB in pharmaceutical and biological samples. Furthermore, this review will thoroughly discuss the physicochemical properties, stability, extraction conditions, instrumentation, and operational parameters of the targeted analyte. As a result, for the first time, this review complies with vital background information and an up-to-date interpretation of research undertaken by anticipated methodologies examined and implemented for the pharmaceutical analysis AMB.
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Affiliation(s)
- Pritam D Sonawane
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, MS, India.
| | - Suraj R Chaudhari
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, MS, India.
| | - Saurabh B Ganorkar
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, MS, India.
| | - Amod S Patil
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, MS, India.
| | - Atul A Shirkhedkar
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, MS, India.
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Naguib IA, Farag SA, Zaazaa HE, Abdelaleem EA. High-Performance Liquid Chromatography Method for Simultaneous Determination of Guaifenesin, Salbutamol Sulfate and Guaifenesin Impurity (Guaiacol). J Chromatogr Sci 2021; 59:419-424. [PMID: 33434919 DOI: 10.1093/chromsci/bmaa128] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Indexed: 11/13/2022]
Abstract
A simple and reliable HPLC method is developed for isocratic separation of a ternary mixture of Salbutamol Sulfate (SAL), Guaifenesin (GUI) and its impurity Guaiacol (GUA) either in pure powder or in pharmaceutical formulation. Chromatographic separation was applied on a Hypersil GOLD CN column with a mobile phase consisting of 0.05 M KH2PO4 (containing 0.1% triethylamine, pH adjusted to 3.7 by phosphoric acid): methanol (60: 40 by volume) using 0.6 mL min-1 flow rate and detection of peaks at 275 nm at 25°C with run time around 6 min. The calibration plots were linear over the concentration ranges of 0.5-20, 0.5-30 and 0.1-10 μg mL-1 for SAL, GUI and GUA, respectively. ICH guidelines were used for the validation of presented method. The obtained results were compared with the results obtained from the reported HPLC method and no significant difference was found regarding accuracy and precision.
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Affiliation(s)
- Ibrahim A Naguib
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Shimaa A Farag
- Analytical Chemistry Department, Faculty of Pharmacy, Nahda University, 62111 Beni-Suef, Egypt
| | - Hala E Zaazaa
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., 11562 Cairo, Egypt
| | - Eglal A Abdelaleem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, 62111 Beni-Suef, Egypt
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Dongala T, Katari NK, Palakurthi AK, Jonnalagadda SB. Development and validation of a generic RP‐HPLC PDA method for the simultaneous separation and quantification of active ingredients in cold and cough medicines. Biomed Chromatogr 2019; 33:e4641. [DOI: 10.1002/bmc.4641] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 06/28/2019] [Indexed: 11/07/2022]
Affiliation(s)
- Thirupathi Dongala
- Aurex Laboratories LLC NJ USA
- Department of ChemistryGITAM deemed to be University Hyderabad Telangana India
| | - Naresh Kumar Katari
- Department of ChemistryGITAM deemed to be University Hyderabad Telangana India
- School of Chemistry & Physics, College of Agriculture, Engineering and Science, Westville CampusUniversity of KwaZulu‐Natal Durban South Africa
| | | | - Sreekantha B. Jonnalagadda
- School of Chemistry & Physics, College of Agriculture, Engineering and Science, Westville CampusUniversity of KwaZulu‐Natal Durban South Africa
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Itagimatha N, Manjunatha DH. RP-HPLC-UV method development and validation for simultaneous determination of terbutaline sulphate, ambroxol HCl and guaifenesin in pure and dosage forms. ANNALES PHARMACEUTIQUES FRANÇAISES 2019; 77:295-301. [PMID: 31027752 DOI: 10.1016/j.pharma.2019.02.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 02/15/2019] [Accepted: 02/26/2019] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The objective of the present work was to develop and validate a simple, sensitive, rapid and stable reverse-phase high performance liquid chromatography (RP-HPLC) method for a combination of Terbutaline sulphate (TSL), Ambroxol hydrochloride (AML) and Guaifenesin (GFN). METHOD The combination of these drugs was analyzed by using Shimadzu LC 2010 CHT high performance liquid chromatography (HPLC). Successful separation was achieved by isocratic elution on a reverse-phase C18 column (sun fire) (250mm, 4.6mm, 5μ), using a mobile phase consisting of buffer: acetonitrile in the ratio 80: 20 (buffer - 0.1% v/v triethyleamine pH-3.0) followed by 1.0mL/min flow rate. The wavelength of detection was at 220nm. RESULT The chromatographic retention times were consistent at 3.0, 10.5 and 13.8minutes for TSL, AML and GFN respectively. For these three compounds, the lower limit of detection was 1.0, 1.25, and 1.5μg/mL and lower limit of quantification was 3.3, 4.1 and 5.0μg/mL respectively. The linearity concentrations established for TSL, AML and GFN were 1.0-7.0, 1.5-7.5 and 4.0-14.0μg/mL respectively. The correlation coefficients for all the drugs were found to be greater than 0.999. The relative standard deviation of inter- and intra-day were less than 2.0%. CONCLUSION This method provides a necessary tool for quantification of the selected drugs for their assay. The proposed method is simple, accurate, reproducible and applied successfully to analyze three compounds in pure as well dosage form.
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Affiliation(s)
- N Itagimatha
- Department of Chemistry, MS Ramaiah Institute of Technology, MS Ramaiah Nagar, MSRIT Post, 560 054 Bengaluru, India
| | - D H Manjunatha
- Department of Chemistry, MS Ramaiah Institute of Technology, MS Ramaiah Nagar, MSRIT Post, 560 054 Bengaluru, India.
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Hendawy HA, Ibrahim AM, Hassan WS, Shalaby A, El-sayed HM. Voltammetric method for simultaneous determination of ascorbic acid, paracetamol and guaifenesin using a sequential experimentation strategy. Microchem J 2019. [DOI: 10.1016/j.microc.2018.11.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Ibrahim AM, Hendawy HA, Hassan WS, Shalaby A, El-sayed HM. Six Sigma quality approach for HPLC-UV method optimization. Microchem J 2019. [DOI: 10.1016/j.microc.2018.09.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Abdelwahab NS, Abdelaleem EA, Abdelrahman MM. HPTLC-Densitometric Method for Determination of Ascorbic Acid, Paracetamol and Guaifenesin in Presence of Their Toxic Impurities. J Chromatogr Sci 2018; 57:149-155. [DOI: 10.1093/chromsci/bmy096] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 09/16/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Nada S Abdelwahab
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St., Beni-Suef, Egypt
| | - Eglal A Abdelaleem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St., Beni-Suef, Egypt
| | - Maha M Abdelrahman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St., Beni-Suef, Egypt
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Abdelaleem EA, Naguib IA, Farag SA, Zaazaa HE. Reversed-Phase High-Performance Liquid Chromatography and High-Performance Thin-layer Liquid Chromatography Methods for Simultaneous Determination of Theophylline, Guaifenesin and Guaifenesin Impurity (Guaiacol) in Their Bulk Powders and in Dosage Form. J Chromatogr Sci 2018; 56:846-852. [PMID: 29982305 DOI: 10.1093/chromsci/bmy062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Indexed: 11/13/2022]
Abstract
Two simple, rapid chromatographic methods were developed for the simultaneous determination of Theophylline (THP), Guaifenesin (GUI) and Guaifenesin impurity namely Guaiacol (GUA). The first method is an isocratic reversed-phase high-performance liquid chromatography (RP-HPLC) method, where separation of THP, GUI and GUA was achieved on C18 column using methanol:water (containing 0.1% triethylamine):acetonitrile (30:60:10, by volume) as a mobile phase with a flow rate of 0.7 mL /min and UV detection at 275 nm. The separation was achieved at retention times (Rt 3.76, 6.76 and 8.79 for THP, GUI and GUA, respectively). The calibration plots were linear over the concentration range of 2-25, 2-37 and 0.5-10 μg /mL for THP, GUI and GUA, respectively. The second method is high pressure thin layer liquid chromatography method, which was developed using silica gel plates 60F254 as a stationary phase with ethyl acetate:hexane:methanol:ammonia (65:35:10:2, by volume) as a developing system. The densitometric measurements were performed at 275 nm with good Rf values (0.13, 0.35 and 0.8) for THP, GUI and GUA, respectively. The calibration plots showed good correlation over the range (0.4-2 μg/band) for both THP and GUI, and (0.4-1.2 μg/band) for GUA. The two proposed methods were validated according to ICH guidelines. The results for the two methods were statistically compared to those obtained by a reported high-performance liquid chromatography method and no significant difference was found regarding accuracy and precision.
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Affiliation(s)
- Eglal A Abdelaleem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Ibrahim A Naguib
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Shimaa A Farag
- Analytical Chemistry Department, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
| | - Hala E Zaazaa
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, Egypt
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Abdelrahman MM. Solid-Phase Extraction and HPLC-DAD for Determination of Salbutamol in Urine Samples. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/22297928.2017.1396918] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Maha M. Abdelrahman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St., 62514, Beni-Suef, Egypt
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12
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Ali NW, Abdelwahab NS, Abdelrahman MM, EL-Zeiny BA, Tohamy SI. Validated Univariateand Multivariate Spectrophotometric Methods for Determination of Paracetamol, Ascorbic Acid and Pseudoephedrine Hydrochloride. ACTA ACUST UNITED AC 2017. [DOI: 10.1080/22297928.2016.1246199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Nourrudin. W. Ali
- Pharmaceutical Analytical Chemistry Department, Faculty of pharmacy, Beni-suef University, AlshaheedShehata Ahmed Higazy St., 62514, Beni-suef, Egypt
| | - Nada. S. Abdelwahab
- Pharmaceutical Analytical Chemistry Department, Faculty of pharmacy, Beni-suef University, AlshaheedShehata Ahmed Higazy St., 62514, Beni-suef, Egypt
| | - Maha. M. Abdelrahman
- Pharmaceutical Analytical Chemistry Department, Faculty of pharmacy, Beni-suef University, AlshaheedShehata Ahmed Higazy St., 62514, Beni-suef, Egypt
| | - Badr A. EL-Zeiny
- Pharmaceutical Analytical Chemistry Department, Faculty of pharmacy, Cairo University, Kasr EL-Aini Street, ET 11562, Cairo-Egypt
| | - Salwa. I. Tohamy
- Pharmaceutical Analytical Chemistry Department, Faculty of pharmacy, Beni-suef University, AlshaheedShehata Ahmed Higazy St., 62514, Beni-suef, Egypt
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Zare-Dorabei R, Jalalat V, Tadjarodi A. Central composite design optimization of Ce(iii) ion removal from aqueous solution using modified SBA-15 mesoporous silica. NEW J CHEM 2016. [DOI: 10.1039/c6nj00239k] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
HESI-SBA-15 was used as an effective adsorbent for cerium ion removal in real samples.
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Affiliation(s)
- Rouholah Zare-Dorabei
- Research Laboratory of Spectrometry & Micro and Nano Extraction
- Department of Chemistry
- Iran University of Science and Technology
- Narmak
- Iran
| | - Vahideh Jalalat
- Research Laboratory of Spectrometry & Micro and Nano Extraction
- Department of Chemistry
- Iran University of Science and Technology
- Narmak
- Iran
| | - Azadeh Tadjarodi
- Department of Chemistry
- Iran University of Science and Technology
- Narmak
- Iran
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Abdelrahman MM. Micellar liquid chromatographic determination of salbutamol sulfate in presence of methyl paraben, propyl paraben and benzoic acid: application to content uniformity testing. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2015. [DOI: 10.1007/s13738-015-0612-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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IBRAHIM F, EL-ENANY N, EL-SHAHENY RN, MIKHAIL IE. Development and Validation of a New HPLC Method for the Simultaneous Determination of Paracetamol, Ascorbic Acid, and Pseudoephedrine HCl in their Co-formulated Tablets. Application to in vitro Dissolution Testing. ANAL SCI 2015; 31:943-7. [DOI: 10.2116/analsci.31.943] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Fawzia IBRAHIM
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Mansoura
| | - Nahed EL-ENANY
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Mansoura
| | - Rania N. EL-SHAHENY
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Mansoura
| | - Ibraam E. MIKHAIL
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Mansoura
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Lakshmi Narasimha Rao K, Krishnaiah C, Sudheer Babu K, Padmaja Reddy K. Development and validation of a stability-indicating LC method for simultaneous determination of related compounds of guaifenesin, terbutaline sulfate and ambroxol HCl in cough syrup formulation. JOURNAL OF SAUDI CHEMICAL SOCIETY 2014. [DOI: 10.1016/j.jscs.2012.01.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kishk SM, Salama I, Mostafa S, El-Sadek M. STABILITY-INDICATING CHROMATOGRAPHIC METHOD FOR THE DETERMINATION OF BENZONATATE, DIPHENHYDRAMINE, GUAIFENESIN, AND PHENYLEPHRINE. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2012.758140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Safaa M. Kishk
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Suez Canal University , Ismailia , Egypt
| | - Ismail Salama
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Suez Canal University , Ismailia , Egypt
| | - Samia Mostafa
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , Suez Canal University , Ismailia , Egypt
| | - Mohamed El-Sadek
- b Department of Medicinal Chemistry, Faculty of Pharmacy , Zagazig University , Zagazig , Egypt
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Gumustas M, Kurbanoglu S, Uslu B, Ozkan SA. UPLC versus HPLC on Drug Analysis: Advantageous, Applications and Their Validation Parameters. Chromatographia 2013. [DOI: 10.1007/s10337-013-2477-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Carbon-based magnetic nanocomposites in solid phase dispersion for the preconcentration some of lanthanides, followed by their quantitation via ICP-OES. Mikrochim Acta 2012. [DOI: 10.1007/s00604-012-0913-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Duarte EH, Kubota LT, Tarley CRT. Carbon Nanotube Based Sensor for Simultaneous Determination of Acetaminophen and Ascorbic Acid Exploiting Multiple Response Optimization and Measures in the Presence of Surfactant. ELECTROANAL 2012. [DOI: 10.1002/elan.201200426] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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21
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Rezazadeh M, Yamini Y, Seidi S. Electrically assisted liquid-phase microextraction for determination of β2-receptor agonist drugs in wastewater. J Sep Sci 2012; 35:571-9. [DOI: 10.1002/jssc.201100869] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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