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Hussein OG, Ahmed DA, Abdelkawy M, Rezk MR, Rostom Y. A novel green spectrofluorimetric method for simultaneous determination of antazoline and tetryzoline in their ophthalmic formulation. LUMINESCENCE 2024; 39:e4728. [PMID: 38516711 DOI: 10.1002/bio.4728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/31/2024] [Accepted: 02/27/2024] [Indexed: 03/23/2024]
Abstract
A novel spectrofluorimetric method has been developed for determination of antazoline (ANT) and tetryzoline (TET) in their pharmaceutical formulation. A combined application of synchronous spectrofluorimetry and second derivative mathematical treatment was developed. The proposed method depends on reacting the cited drugs with dansyl chloride (DNS-Cl) being a suitable derivatizing agent generating highly fluorescent derivatives measured at emission wavelengths of 703.0 and 642.0 nm after excitation wavelengths of 350.0 and 320.0 nm for ANT and TET, respectively. The joint use of synchronous spectrofluorimetry with second derivative mathematical treatment is for the first time to be developed and optimized in aid of using fluorescence data manager software generating second derivative peak amplitudes at 556.5 nm for ANT and 516.7 nm for TET. Linear responses have been represented over a wide range of concentration (0.5-12.0 μg/mL for ANT and 0.5-10.0 μg/mL for TET). Additionally, statistical comparison of the developed method with the official ones has been carried out where no significant difference was found. Additionally, greenness profile assessment was accomplished by means of four metric tools. Indeed, the method developed is found to be precise, sensitive, and discriminating to assess the cited drugs for regular analysis.
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Affiliation(s)
- Ola G Hussein
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Future University in Egypt, Cairo, 11835, Egypt
| | - Dina A Ahmed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Future University in Egypt, Cairo, 11835, Egypt
| | - Mohamed Abdelkawy
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Mamdouh R Rezk
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Yasmin Rostom
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Hussein OG, Rostom Y, Abdelkawy M, Rezk MR, Ahmed DA. Green TLC-Densitometric Method for Simultaneous Determination of Antazoline and Tetryzoline: Application to Pharmaceutical Formulation and Rabbit Aqueous Humor. J Chromatogr Sci 2023:bmad042. [PMID: 37316161 DOI: 10.1093/chromsci/bmad042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/13/2023] [Indexed: 06/16/2023]
Abstract
Ophthalmic pharmaceutical preparation containing antazoline (ANT) and tetryzoline (TET) is prescribed widely as an over the counter medication for allergic conjunctivitis treatment. Development of a selective, simple and environmentally friendly thin-layer chromatographic method established to determine both ANT and TET in their pure forms, pharmaceutical formulation and spiked aqueous humor samples. By using silica gel plates and means of a developing system consists of ethyl acetate:ethanol (5:5, by volume), the studied drugs separation was achieved, and scanning was carried out at 220.0 nm for the separated bands with a 0.2-18.0 μg/band concentration range for each of ANT and TET. Standard addition technique application was carried out to determine the proposed method validity. Statistical comparison was made between the proposed method and the official methods ANT and TET showing no significant difference concerning accuracy and precision. Furthermore, greenness profile assessment was accomplished by means of four metric tools, namely, analytical greenness, green analytical procedure index, analytical eco-scale and national environmental method index. Highlights.
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Affiliation(s)
- Ola G Hussein
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Future University in Egypt, End of 90th St., Fifth Settlement, New Cairo, Egypt
| | - Yasmin Rostom
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt
| | - Mohamed Abdelkawy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt
| | - Mamdouh R Rezk
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt
| | - Dina A Ahmed
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Future University in Egypt, End of 90th St., Fifth Settlement, New Cairo, Egypt
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Hussein OG, Abdelkawy M, Rezk MR, Ahmed DA, Rostom Y. Novel Stability-Indicating TLC-densitometric Method for Quantification of Antazoline Hydrochloride and Tetryzoline Hydrochloride; Application to pharmaceutical formulation. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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Dindar ÇK, Erkmen C, Uslu B, Göğer NG. The Development of Spectrophotometric and Validated Stability- Indicating RP-HPLC Methods for Simultaneous Determination of Ephedrine HCL, Naphazoline HCL, Antazoline HCL, and Chlorobutanol in Pharmaceutical Pomade Form. Comb Chem High Throughput Screen 2020; 23:1090-1099. [PMID: 32691707 DOI: 10.2174/1386207323666200720101835] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/27/2020] [Accepted: 05/06/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Allergic rhinitis, acute nasal congestion and sinusitis are one of the most common health problems and have a major effect on the quality of life. Several medications are used to improve the symptoms of such diseases in humans. Pharmaceutical pomade form containing Ephedrine (EPD) HCl, Naphazoline (NPZ) HCl, Antazoline (ANT) HCl, and Chlorobutanol (CLO) is one of them. OBJECTIVE For these reasons, this study includes the development of spectrophotometric and chromatographic methods for the determination of EPD HCl, NPZ HCl, ANT HCl, and CLO active agents in the pharmaceutical pomade. METHOD In the spectrophotometric method, third-order derivative of the amplitudes at 218 nm n=5 and the first-order derivative of the amplitudes 254 nm n=13 was selected for the determination of EPD, ANT, respectively while NPZ was determined by the second derivative at 234 nm and n=21. Colorimetric detection was applied for assay analysis of CLO at 540 nm. Furthermore, a reverse phase high performance liquid chromatographic (RP- HPLC) method has been developed and optimized by using Agilent Zorbax Eclipse XDB C18 (75 mm x 3.0 mm, 3.5μm) column. The column temperature was 40°C, binary gradient elution was used and the mobile phase consisted of 15 mM phosphate buffer in distilled water (pH 3.0) and methanol, and the flow rate was 0.6 mL min-1 and the UV detector was detected at 210 nm. The linear operating range was obtained as 11.97-70, 0.59-3, 2.79-30, and 2.92-200 μg mL-1 for EPD HCl, NPZ HCl, ANT HCl, and CLO respectively. RESULTS The LOD values were found to be 3.95, 0.19, 0.92 and 0.96 μg mL-1 for EPD HCl, NPZ HCl, ANT HCl, and CLO in the spectrophotometric method, respectively. The linear ranges in the RP-HPLC method were 8.2-24.36 μg mL-1, 0.083 - 0.75 μg/mL, 2.01-7.5 μg mL-1 and 2.89-24.4 μg mL-1 for EPD HCl, NPZ HCl, ANT HCl, and CLO, respectively. The LOD values in the validation studies were 2.7, 0.025, 0.66 and 0.86 μg mL-1 for EPD HCl, NPZ HCl, ANT HCl, and CLO in RP-HPLC method respectively. CONCLUSION The results of the spectrophotometric and chromatographic methods were compared and no differences were found between the two methods.
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Affiliation(s)
- Çiğdem K Dindar
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, Ankara 06330, Turkey
| | - Cem Erkmen
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06330, Turkey
| | - Bengi Uslu
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06330, Turkey
| | - Nilgün G Göğer
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, Ankara 06330, Turkey
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Farkowski MM, Maciag A, Kowalik I, Konka M, Szwed H, Pytkowski M. Intravenous antazoline, a first-generation antihistaminic drug with antiarrhythmic properties, is a suitable agent for pharmacological cardioversion of atrial fibrillation induced during pulmonary vein isolation due to the lack of influence on atrio-venous conduction and high clinical effectiveness (AntaEP Study). Br J Clin Pharmacol 2019; 85:1552-1558. [PMID: 30920001 DOI: 10.1111/bcp.13940] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 03/07/2019] [Accepted: 03/23/2019] [Indexed: 12/01/2022] Open
Abstract
AIMS Antazoline is a first-generation antihistaminic drug used primarily in eye drop formulations. When administered intravenously, antazoline displays antiarrhythmic properties resulting in a rapid conversion of recent-onset atrial fibrillation (AF) to sinus rhythm (SR). The aim of the study was to assess the influence of antazoline on atrio-venous conduction and other electrophysiological parameters in patients undergoing AF ablation. METHODS An experimental prospective study. Patients scheduled for the first-time AF ablation, in SR and not on amiodarone were enrolled. Atrio-venous conduction assessment and invasive electrophysiological study (EPS) were performed before and after intravenous administration of 250 mg of antazoline. In case of AF induction during EPS, antazoline was administered until conversion to SR or a cumulative dose of 300 mg. RESULTS We enrolled 14 patients: 13 (93%) men, mean age 63.4 (59.9-66.8) years, mean CHA2 DS2 -VASc score 1.6 (1.0-2.2). Antazoline was administered in a mean dose 257.1 (246.7-267.6) mg. Pulmonary vein potentials and atrial capture during pulmonary vein stimulation were present before and after the administration of antazoline. Wenckebach point and atrial conduction times did not change significantly, but atrio-ventricular node effective refractory period improved-324.7 (275.9-373.5) ms vs 284.3 (256.2-312.4) ms, P = 0.02. Antazoline was effective in all 5 (100%) cases of AF induction during EPS. There were no serious adverse events. CONCLUSION Due to the lack of influence on atrio-venous conduction and high clinical effectiveness, antazoline may be suitable for pharmacological cardioversion of AF occurring during AF ablation.
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Affiliation(s)
- Michal M Farkowski
- Department of Coronary Artery Disease, Institute of Cardiology, Alpejska, Warsaw, Poland
| | - Aleksander Maciag
- Department of Coronary Artery Disease, Institute of Cardiology, Alpejska, Warsaw, Poland
| | - Ilona Kowalik
- Department of Coronary Artery Disease, Institute of Cardiology, Alpejska, Warsaw, Poland
| | - Marek Konka
- Department of Congenital Heart Diseases, Institute of Cardiology, Alpejska, Warsaw, Poland
| | - Hanna Szwed
- Department of Coronary Artery Disease, Institute of Cardiology, Alpejska, Warsaw, Poland
| | - Mariusz Pytkowski
- Department of Coronary Artery Disease, Institute of Cardiology, Alpejska, Warsaw, Poland
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Bosch-Reig F, Doménech-Carbó A. Hyperbolic subtraction method: Determination of the concentration of an analyte in the presence of an unknown interferent via spectral data. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 208:206-213. [PMID: 30317057 DOI: 10.1016/j.saa.2018.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 09/14/2018] [Accepted: 10/04/2018] [Indexed: 06/08/2023]
Abstract
A theoretical model to determine the concentration of an analyte in the presence of unknown interferents using spectral-type data is described. The method involves absorbance measurements at three wavelengths and the calculation of specific absorbances yielding a hyperbolic relationship between absorbance ratios and analyte concentrations. The concentration of the analyte of known spectrum can be determined in the presence of an interferent or mixture of interferents of unknown concentration(s) and spectra can be determined combining data for different sets of wavelengths. Application to indigo and isatin solutions in DMSO related to the so-called Maya blue problem is reported as an illustrative application example.
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Affiliation(s)
- Francisco Bosch-Reig
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner, 50, 46100 Burjassot, Valencia, Spain.
| | - Antonio Doménech-Carbó
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner, 50, 46100 Burjassot, Valencia, Spain.
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UV-spectrophotometry versus HPLC–PDA for dual-drug dissolution profiling: which technique provides a closer step towards green biowaiver concept? Novel application on the recent FDA-approved mixture Aleve pm. CHEMICAL PAPERS 2018. [DOI: 10.1007/s11696-018-0580-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Zhao N, Zhao C, Lv Y, Zhang W, Du Y, Hao Z, Zhang J. Adsorption and coadsorption mechanisms of Cr(VI) and organic contaminants on H 3PO 4 treated biochar. CHEMOSPHERE 2017; 186:422-429. [PMID: 28802977 DOI: 10.1016/j.chemosphere.2017.08.016] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 08/03/2017] [Accepted: 08/04/2017] [Indexed: 06/07/2023]
Abstract
The study of simultaneous removal of heavy metals and organic contaminants has practical applications due to the coexistence of complex pollutants in the wastewater or soil. In this work, biochar was prepared to study the removal efficiencies of Cr(VI), naphthalene (NAP) and bisphenol A (BPA) in the single or mixed systems. H3PO4-treated biochar presented a much higher adsorption capacity of the pollutants than the untreated biochar and also showed a high resistance to coexisting salts. The maximum adsorption capacities for Cr(VI) and BPA were 116.28 mg g-1 and 476.19 mg g-1, respectively. Coadsorption experiments revealed that the presence of organic pollutants caused a limited decrease (∼10%) of removal efficiency of Cr(VI) and no further decrease was observed with higher concentrations of organic pollutants, while the presence of Cr(VI) had little impact on the removal of NAP. Infrared spectra and molecular simulation demonstrated that Cr(VI) was mainly adsorbed on the biochar via chemical complexation, while the organic pollutants through π-π interaction. Unexpectedly, the addition of Cr(VI) increased the removal efficiency of BPA, probably due to the increased H-bond interactions between BPA and the biochar through bridge bonds of oxygenic groups from CrO42-.
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Affiliation(s)
- Nan Zhao
- Department of Environmental Nano-materials, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; School of Environmental Science and Engineering, Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Chuanfang Zhao
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yizhong Lv
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China
| | - Weifang Zhang
- Department of Environmental Nano-materials, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; National Engineering Laboratory for VOCs Pollution Control Materials & Technology, University of Chinese Academy of Sciences, Beijing 101408, PR China
| | - Yuguo Du
- Department of Environmental Nano-materials, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Zhengping Hao
- Department of Environmental Nano-materials, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; National Engineering Laboratory for VOCs Pollution Control Materials & Technology, University of Chinese Academy of Sciences, Beijing 101408, PR China
| | - Jing Zhang
- Department of Environmental Nano-materials, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; National Engineering Laboratory for VOCs Pollution Control Materials & Technology, University of Chinese Academy of Sciences, Beijing 101408, PR China.
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Merey HA, Abd-Elmonem MS, Nazlawy HN, Zaazaa HE. Spectrophotometric Methods for Simultaneous Determination of Oxytetracycline HCl and Flunixin Meglumine in Their Veterinary Pharmaceutical Formulation. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2017; 2017:2321572. [PMID: 28811956 PMCID: PMC5546081 DOI: 10.1155/2017/2321572] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Accepted: 05/29/2017] [Indexed: 06/07/2023]
Abstract
Four precise, accurate, selective, and sensitive UV-spectrophotometric methods were developed and validated for the simultaneous determination of a binary mixture of Oxytetracycline HCl (OXY) and Flunixin Meglumine (FLU). The first method, dual wavelength (DW), depends on measuring the difference in absorbance (ΔA 273.4-327 nm) for the determination of OXY where FLU is zero while FLU is determined at ΔA 251.7-275.7 nm. The second method, first-derivative spectrophotometric method (1D), depends on measuring the peak amplitude of the first derivative selectively at 377 and 266.7 nm for the determination of OXY and FLU, respectively. The third method, ratio difference method, depends on the difference in amplitudes of the ratio spectra at ΔP 286.5-324.8 nm and ΔP 249.6-286.3 nm for the determination of OXY and FLU, respectively. The fourth method, first derivative of ratio spectra method (1DD), depends on measuring the amplitude peak to peak of the first derivative of ratio spectra at 296.7 to 369 nm and 259.1 to 304.7 nm for the determination of OXY and FLU, respectively. Different factors affecting the applied spectrophotometric methods were studied. The proposed methods were validated according to ICH guidelines. Satisfactory results were obtained for determination of both drugs in laboratory prepared mixture and pharmaceutical dosage form. The developed methods are compared favourably with the official ones.
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Affiliation(s)
- Hanan A. Merey
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El Aini, Cairo 11562, Egypt
| | - Mahmmoud S. Abd-Elmonem
- National Organization for Drug Control and Research (NODCAR), 6 Abu Hazem Street, Pyramids Ave., P.O. Box 29, Giza, Egypt
| | - Hagar N. Nazlawy
- National Organization for Drug Control and Research (NODCAR), 6 Abu Hazem Street, Pyramids Ave., P.O. Box 29, Giza, Egypt
| | - Hala E. Zaazaa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El Aini, Cairo 11562, Egypt
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