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Decheng S, Zhanteng S, Zhiming X, Yang L, Wuyan L, Junming W, Xia F. Trace analysis of 20 antihistamines in milk by ultrahigh performance liquid chromatography coupled with high field quadrupole orbitrap high resolution mass spectrometry followed dispersive micro solid phase extraction. J Chromatogr A 2024; 1727:464989. [PMID: 38763085 DOI: 10.1016/j.chroma.2024.464989] [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: 10/06/2023] [Revised: 04/14/2024] [Accepted: 05/09/2024] [Indexed: 05/21/2024]
Abstract
Ultrahigh-performance liquid chromatography coupled with high-field quadrupole Orbitrap high resolution mass spectrometry was used for the separation and determination of 20 antihistamines, and a dispersive micro solid-phase extraction procedure using high-performance absorbing material was developed as a sample preparation strategy for extracting 20 antihistamines from milk. Instrument conditions and key parameters influencing extraction efficiency were investigated to obtain an optimized method. The limit of detection for 20 antihistamines in milk using this method is 0.05 µg/L to 1.0 µg/L. Recoveries are between 80.7 % and 108.3 %, and the relative standard deviation is less than 15 %. It is suitable for confirmatory monitoring and quantitative analysis of 20 antihistamines in milk. The results show that antihistamines in milk may be noteworthy issues for human health and environmental pollution.
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Affiliation(s)
- Suo Decheng
- Institute of Quality Standards and Testing Technology for Agro-products of Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South Street, Haidian District, Beijing 100081, PR China
| | - Song Zhanteng
- Institute of Quality Standard and Testing Technology for Agro-product, Xinjiang Academy of Agricultural Sciences, Urumqi, 830091, PR China
| | - Xiao Zhiming
- Institute of Quality Standards and Testing Technology for Agro-products of Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South Street, Haidian District, Beijing 100081, PR China
| | - Li Yang
- Institute of Quality Standards and Testing Technology for Agro-products of Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South Street, Haidian District, Beijing 100081, PR China
| | - Liu Wuyan
- Shaanxi Qinyun Agricultural Products Inspection and Testing Co., Ltd, Shaanxi, 714299, PR China
| | - Wang Junming
- Shaanxi Qinyun Agricultural Products Inspection and Testing Co., Ltd, Shaanxi, 714299, PR China
| | - Fan Xia
- Institute of Quality Standards and Testing Technology for Agro-products of Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South Street, Haidian District, Beijing 100081, PR China.
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2
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Mouhamed AA, Nadim AH, Mostafa NM, Eltanany BM. Application of smart chemometric models for spectra resolution and determination of challenging multi-action quaternary mixture: statistical comparison with greenness assessment. BMC Chem 2024; 18:44. [PMID: 38431694 PMCID: PMC10909257 DOI: 10.1186/s13065-024-01148-9] [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: 11/22/2023] [Accepted: 02/20/2024] [Indexed: 03/05/2024] Open
Abstract
A multivariate spectrophotometric method is a potential approach that enables discrimination of spectra of components in complex matrices (e.g., pharmaceutical formulation) serving as a substitution method for chromatography. Four green smart multivariate spectrophotometric models were proposed and validated, including principal component regression (PCR), partial least-squares (PLS), multivariate curve resolution-alternating least squares (MCR-ALS), and artificial neural networks (ANN). The developed chemometric models were compared to resolve highly overlapping spectra of Paracetamol (PARA), Chlorpheniramine maleate (CPM), Caffeine (CAF), and Ascorbic acid (ASC). The four multivariate calibration models were assessed via recoveries percent, and root mean square error of prediction. Hence, the proposed models were efficiently applied with no need for any preliminary separation step. The models were utilized to analyze the studied components in their combined pharmaceutical formulation (Grippostad® C capsules). Analytical GREEnness Metric Approach (AGREE) and eco-scale tools were applied to assess the greenness of the established models and found to be 0.77 and 85, respectively. Moreover, the proposed models have been compared to official ones showing no considerable variations in accuracy and precision. Therefore, these models can be highly advantageous for conducting standard pharmaceutical analysis of the substances researched within product testing laboratories.
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Affiliation(s)
- Aya A Mouhamed
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
| | - Ahmed H Nadim
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt.
| | - Nadia M Mostafa
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
| | - Basma M Eltanany
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
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3
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Mohamed HM, Essam HM. Spectrophotometric resolution for quantitative analysis of aspirin and rivaroxaban combination therapy in biological fluids using simple and eco-friendly procedure. BMC Chem 2024; 18:36. [PMID: 38374162 PMCID: PMC10877750 DOI: 10.1186/s13065-024-01140-3] [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: 10/05/2023] [Accepted: 02/08/2024] [Indexed: 02/21/2024] Open
Abstract
Patients diagnosed with symptomatic peripheral artery disease (PAD) in the lower extremities have a higher likelihood of suffering from major vascular events. Recently, FDA has approved the combination therapy of aspirin (ASP) and rivaroxaban (ROX) to reduce acute limb ischemia and other comorbidities in (PAD) patients. Zero order and ratio absorption spectra were employed in three simple and accurate spectrophotometric techniques (dual wavelength (DW), ratio difference (RD) and derivative ratio (1DD) for concurrent detection and quantification of ASP and ROX in their pure forms, lab synthetic mixtures and in biological fluid. Our approach involves careful parameter optimization, including solvent selection, sample volumes, and instrumental settings, to reduce the analysis environmental impact. The acquired recovery percentages of accuracy were within 98-102% for pure active pharmaceutical ingredients and 90-110% for pharmaceutical formulations and biological determinations. A comprehensive assessment was done to compare the three methods regarding their ease of use, linearity, sensitivity, conditions, and limitations. The specificity of the proposed methods was evaluated by analyzing the lab synthetic mixtures. The suggested spectrophotometric methods were validated in compliance with ICH guidelines to confirm the validity claims. Also, statistical analysis was done to compare the outcomes obtained from the suggested methods with those obtained from the official ones and they agreed with null hypothesis regarding accuracy and precision. Furthermore, a comprehensive assessment of the environmental sustainability of the developed method was carried out using the Analytical Greenness Calculator, AGREE algorithm. The selected drugs can be efficiently, safely and economically analyzed by the suggested methods in pharmaceutical and biological matrices with no pretreatment or preliminary separation steps and thereby increasing their greenness level.
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Affiliation(s)
- Heba M Mohamed
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr Al-Aini St., Cairo, 11562, Egypt.
| | - Hebatallah M Essam
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr Al-Aini St., Cairo, 11562, Egypt
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El-Maraghy CM. Sustainable eco-friendly ratio-based spectrophotometric and HPTLC-densitometric methods for simultaneous analysis of co-formulated anti-migraine drugs with overlapped spectra. BMC Chem 2023; 17:100. [PMID: 37592319 PMCID: PMC10433579 DOI: 10.1186/s13065-023-01020-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/09/2023] [Indexed: 08/19/2023] Open
Abstract
Considering the green chemistry perspective and improving the environmental impact of quality control labs; two direct techniques with less hazardous solvents, less waste production and less energy consumption were developed for simultaneous analysis of Aspirin and Metoclopramide in bulk powder and pharmaceutical formulation. The ratio between the two drugs in their co-formulated preparation is very challenging; (90: 1, Aspirin: Metoclopramide). The first technique is spectrophotometry using simple mathematical operations; ratio difference and derivative ratio-zero crossing. The second technique is high-performance thin-layer chromatography (HPTLC) -densitometry which used a mobile phase consisting of cyclo-hexane: methanol: methylene chloride in a ratio of (1:4:1, v/v/v). The greenest solvents which give acceptable resolution were chosen. Following the International Conference on Harmonization (ICH) guidelines, the methods were found to be accurate, precise, and selective. Those methods were statistically compared to the reported spectrophotometric method and the results proved that there is no significant difference in accuracy and precision. Furthermore, the developed methods were assessed using the Analytical Eco-scale, Green Analytical Procedure Index (GAPI) and the Analytical Greenness calculator (AGREE), which gave a full image about their greenness profile. The spectrophotometry was found to be an excellent green technique compared to HPTLC with was considered an acceptable green one. The developed HPTLC-densitometric method was used for the first time for the analysis of this binary mixture. The two proposed spectrophotometric methos have advantages over the published methods as they used easy manipulation steps and are applied on the market pharmaceutical formulation. Owing to the advantages of the developed techniques; being green, do not require expensive sophisticated equipment or large volume of solvents; they could be used for routine analysis in quality control aspects.
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Affiliation(s)
- Christine Maged El-Maraghy
- Analytical Chemistry department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 6th October city, 11787, Egypt.
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A Simple Stability-Indicating UPLC Method for the Concurrent Assessment of Paracetamol and Caffeine in Pharmaceutical Formulations. SEPARATIONS 2023. [DOI: 10.3390/separations10010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
A fixed-dose combination of paracetamol (PCM) and caffeine (CAF) tablets/capsules is the most frequently used over-the-counter medicine for fever and headache. In this paper, a simple, reliable, sensitive, rapid, and stability-indicating ultra-performance liquid chromatography (UPLC) analytical method was proposed for simultaneously assessing PCM and CAF in pharmaceutical formulations. The UPLC method was developed on an Acquity UPLC® CSHTM C18 column, and the column oven temperature was maintained at 35 ± 5 °C with isocratic elution by using a solution of methanol and water (30:70, v/v). The maximum absorbance of PCM and CAF was observed at 272.5 nm. The flow rate was 0.2 mL/min, and the injection volume was 1 µL, with the total run time of 2 min for the separation of PCM and CAF. The proposed UPLC method was validated according to the ICH guidelines, and it demonstrated excellent linearity, with correlation coefficients of 0.9995 and 0.9999 over the concentration ranges of 40–400 and 7–70 ng/mL for PCM and CAF, respectively. The mean retention times of 0.82 ± 0.0 and 1.16 ± 0.02 were observed for PCM and CAF, respectively. The limits of detection and quantification were 16.62 and 3.86 for PCM, respectively, and 50.37 and 11.70 for CAF, respectively. PCM and CAF were subjected to acidic, alkali, oxidative, phytochemical, dry-heat, and wet-heat degradation. The method was found to well separate the analytes’ peaks from degradation peaks, with no alterations in retention times. The proposed method is linear, precise, accurate, specific, and robust, and it can indicate stability and be used for the quantitative assessment of pharmaceutical formulations comprising PCM and CAF within a short period of time.
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Marzouk HM, Ibrahim EA, Hegazy MA, Saad SS. Sustainable Liquid Chromatographic Determination and Purity Assessment of a Possible Add-on Triple-Action Over-the-counter Pharmaceutical Combination in COVID-19. Microchem J 2022; 178:107400. [PMID: 35341079 PMCID: PMC8933871 DOI: 10.1016/j.microc.2022.107400] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/17/2022] [Accepted: 03/14/2022] [Indexed: 11/19/2022]
Abstract
Nowadays, all researchers are focused on combating the pandemic COVID-19. According to recent statistics, most patients are managed at home. An over-the-counter (OTC) triple action formula containing paracetamol (PAR), aspirin (ASP), and diphenhydramine (DIPH) is widely prescribed for pain, fever and as night-time sleep aid. For COVID-19 patients, this combination is now suggested as part of symptomatic therapy and prophylaxis. In this work, two simple liquid chromatographic approaches were designed for simultaneous determination of PAR, ASP, and DIPH in Excedrin® PM caplets, beside three specified official toxic impurities, namely, p-aminophenol, p-nitrophenol, and salicylic acid. The first method comprised high-performance thin-layer chromatographic separation coupled with densitometric quantification, on silica gel HPTLC 60 F254 aluminium sheets as the stationary phase, ethyl acetate–methanol-aqueous ammonium hydroxide (10.0: 2.0: 0.1, by volume) as the developing system and scanning was performed at 210.0 nm. The second one is a high-performance liquid chromatography coupled with diode array detector. Successful separation of the six components was performed on XTerra C18 column with isocratic elution of mobile phase 0.1% triethylamine acidified water: methanol (70:30, v/v) adjusted with o-phosphoric acid to pH 3.0 and methanol (90:10, v/v) with flow rate programming and detection at 210.0 nm. Validation of the proposed methods was performed according to ICH guidelines. Both methods were successfully used for quality control of the cited drugs in their marketed formulation. Moreover, the in-vitro release study was monitored using the proposed HPLC-DAD method. The greenness profile of the proposed methods was assessed and comparatively evaluated through various assessment tools, specifically; the analytical eco-scale system, national environmental method index (NEMI), green analytical procedure index (GAPI) and analytical greenness (AGREE) metric.
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Affiliation(s)
- Hoda M Marzouk
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr Al-Aini Street, 11562, Cairo, Egypt
| | - Engy A Ibrahim
- Pharmaceutical Analytical Chemistry Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science & Technology, 6 of October City, Giza, Egypt
| | - Maha A Hegazy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr Al-Aini Street, 11562, Cairo, Egypt
| | - Samah S Saad
- Pharmaceutical Analytical Chemistry Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science & Technology, 6 of October City, Giza, Egypt
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8
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Rahimi M, Khorshidi N, Heydari R. Simultaneous determination of paracetamol and caffeine in aqueous samples by ultrasound‐assisted emulsification microextraction coupled with high‐performance liquid chromatography. SEPARATION SCIENCE PLUS 2020. [DOI: 10.1002/sscp.202000069] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Marzieh Rahimi
- Faculty of Pharmacy Lorestan University of Medical Sciences Khorramabad Iran
| | - Neda Khorshidi
- Faculty of Pharmacy Lorestan University of Medical Sciences Khorramabad Iran
| | - Rouhollah Heydari
- Research Center for Environmental Determinants of Health Kermanshah University of Medical Sciences Kermanshah Iran
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9
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Monteiro MKS, Santos ECMM, Silva DR, Martínez-Huitle CA, dos Santos EV. Simultaneous determination of paracetamol and caffeine in pharmaceutical formulations and synthetic urine using cork-modified graphite electrodes. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04722-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Sebaiy MM, Mattar AAEH. Spectrum subtraction method for simultaneous determination of acetaminophen and caffeine in panadol extra dosage forms. EUROPEAN JOURNAL OF CHEMISTRY 2020; 11:80-83. [DOI: 10.5155/eurjchem.11.1.80-83.1956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/15/2020] [Accepted: 02/25/2020] [Indexed: 09/02/2023]
Abstract
A simple, specific, accurate and precise spectrophotometric method was established for simultaneous determination of acetaminophen and caffeine in pure form and in their pharmaceutical formulation commercially known as Panadol Extra®. Spectrum subtraction has been used in simultaneous determination of both drugs without prior separation. Spectrum subtraction method parameters were validated according to ICH guidelines in which accuracy, precision, repeatability and robustness were found in accepted limits (98-102%). The linearity range was 7.5-45 µg/mL for caffeine and 4-22 µg/mL for acetaminophen with correlation coefficients ≥0.9990 for both drugs. Advantages and disadvantages of spectrum subtraction were discussed and statistical comparison between the proposed method and the reference one was performed.
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Affiliation(s)
- Mahmoud Mohammed Sebaiy
- Medicinal Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Amr Abd El-Hakeem Mattar
- Pharmaceutical Medicinal Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo 11829, Egypt
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11
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Sebaiy MM, El-Adl SM, Mattar AA. Different techniques for overlapped UV spectra resolution of some co-administered drugs with paracetamol in their combined pharmaceutical dosage forms. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 224:117429. [PMID: 31394394 DOI: 10.1016/j.saa.2019.117429] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 07/25/2019] [Accepted: 07/25/2019] [Indexed: 06/10/2023]
Abstract
Six simple, specific, accurate and precise spectrophotometric methods were developed for the first time analysis of some co-administered drugs with paracetamol in their mixture form without prior separation. Paracetamol & orphenadrine citrate were determined by using dual wavelength, bivariate, ratio difference, ratio derivative and mean centering of ratio spectra methods. Paracetamol & caffeine were determined by using ratio difference, ratio derivative and mean centering of ratio spectra methods. Paracetamol & diclofenac sodium were determined by using advanced absorption subtraction, ratio difference, ratio derivative and mean centering of ratio spectra methods. All of these methods were validated according to ICH guidelines where accuracy, precision, repeatability and robustness were found to be within the accepted limits. Advantages and limitations of each method are demonstrated and statistical comparison between the proposed methods was performed.
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Affiliation(s)
- Mahmoud M Sebaiy
- Medicinal Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt.
| | - Sobhy M El-Adl
- Medicinal Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Amr A Mattar
- Medicinal Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; Pharmaceutical Medicinal Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo 11829, Egypt
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12
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Yiğit A, Yardım Y, Çelebi M, Levent A, Şentürk Z. Graphene/Nafion composite film modified glassy carbon electrode for simultaneous determination of paracetamol, aspirin and caffeine in pharmaceutical formulations. Talanta 2016; 158:21-29. [DOI: 10.1016/j.talanta.2016.05.046] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Revised: 05/11/2016] [Accepted: 05/14/2016] [Indexed: 11/27/2022]
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13
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de Holanda LF, Ribeiro FWP, Sousa CP, da Silva Casciano PN, de Lima-Neto P, Correia AN. Multi-walled carbon nanotubes–cobalt phthalocyanine modified electrode for electroanalytical determination of acetaminophen. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.04.021] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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14
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Analytical advances in pharmaceutical impurity profiling. Eur J Pharm Sci 2016; 87:118-35. [DOI: 10.1016/j.ejps.2015.12.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 11/14/2015] [Accepted: 12/05/2015] [Indexed: 01/11/2023]
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15
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Cunha RR, Chaves SC, Ribeiro MMAC, Torres LMFC, Muñoz RAA, Santos WTPD, Richter EM. Simultaneous determination of caffeine, paracetamol, and ibuprofen in pharmaceutical formulations by high-performance liquid chromatography with UV detection and by capillary electrophoresis with conductivity detection. J Sep Sci 2015; 38:1657-62. [DOI: 10.1002/jssc.201401387] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 02/23/2015] [Accepted: 02/24/2015] [Indexed: 12/22/2022]
Affiliation(s)
- Rafael R. Cunha
- Instituto de Química; Universidade Federal de Uberlândia; Av. João Naves de Ávila 2121 Uberlândia MG Brazil
| | | | - Michelle M. A. C. Ribeiro
- Instituto de Química; Universidade Federal de Uberlândia; Av. João Naves de Ávila 2121 Uberlândia MG Brazil
| | - Lívia M. F. C. Torres
- Departamento de Farmácia; Universidade Federal dos Vales do Jequitinhonha e Mucuri; Rodovia MGT 367 - Km 583 5000 Diamantina MG Brazil
| | - Rodrigo A. A. Muñoz
- Instituto de Química; Universidade Federal de Uberlândia; Av. João Naves de Ávila 2121 Uberlândia MG Brazil
| | - Wallans T. P. Dos Santos
- Departamento de Farmácia; Universidade Federal dos Vales do Jequitinhonha e Mucuri; Rodovia MGT 367 - Km 583 5000 Diamantina MG Brazil
| | - Eduardo M. Richter
- Instituto de Química; Universidade Federal de Uberlândia; Av. João Naves de Ávila 2121 Uberlândia MG Brazil
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Simultaneous spectrophotometric determination of overlapping spectra of paracetamol and caffeine in laboratory prepared mixtures and pharmaceutical preparations using continuous wavelet and derivative transform. JOURNAL OF SAUDI CHEMICAL SOCIETY 2015. [DOI: 10.1016/j.jscs.2012.02.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Zhong X, Yan J, Li YC, Kong B, Lu HB, Liang YZ. A novel strategy for quantitative analysis of the formulated complex system using chromatographic fingerprints combined with some chemometric techniques. J Chromatogr A 2014; 1370:179-86. [DOI: 10.1016/j.chroma.2014.10.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Revised: 10/04/2014] [Accepted: 10/18/2014] [Indexed: 11/15/2022]
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18
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Ibrahim F, Wahba MEK. Liquid Chromatographic Determination of Ergotamine Tartrate in its Combined Tablets using Fluorimetric and UV Detection: Application to Content Uniformity Testing. SEP SCI TECHNOL 2014. [DOI: 10.1080/01496395.2014.914953] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Dinç Ş, Dönmez ÖA, Aşçı B, Bozdoğan AE. CHROMATOGRAPHIC AND CHEMOMETRICS-ASSISTED SPECTROPHOTOMETRIC METHODS FOR THE SIMULTANEOUS DETERMINATION OF ALLOBARBITAL, ADIPHENINE HYDROCHLORIDE, AND PARACETAMOL IN SUPPOSITORY. J LIQ CHROMATOGR R T 2013. [DOI: 10.1080/10826076.2012.749498] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Ş. Dinç
- a Department of Chemistry , Faculty of Science and Arts, Yıldız Technical University , İstanbul , Turkey
| | - Ö. Aksu Dönmez
- a Department of Chemistry , Faculty of Science and Arts, Yıldız Technical University , İstanbul , Turkey
| | - B. Aşçı
- a Department of Chemistry , Faculty of Science and Arts, Yıldız Technical University , İstanbul , Turkey
| | - A. E. Bozdoğan
- a Department of Chemistry , Faculty of Science and Arts, Yıldız Technical University , İstanbul , Turkey
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A modified single-walled carbon nanotubes/carbon-ceramic electrode for simultaneous voltammetric determination of paracetamol and caffeine. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2013. [DOI: 10.1007/s13738-013-0324-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Jiao L, Deng Q, Wang Y, Li H. Determination of Enantiomeric Composition of Tryptophan by Fluorescence Spectroscopy Combined with Principal Component Regression. ANAL LETT 2013. [DOI: 10.1080/00032719.2012.733901] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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Ali NW, Abdelwahab NS, Abdelkawy M, Emam AA. Validated spectrophotometric and spectrodensitometric methods for determination of a ternary mixture of analgesic drugs in different dosage forms. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.bfopcu.2012.07.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Faria EO, Lopes Junior ACV, Souto DEP, Leite FRF, Damos FS, de Cássia Silva Luz R, dos Santos AS, Franco DL, dos Santos WTP. Simultaneous Determination of Caffeine and Acetylsalicylic Acid in Pharmaceutical Formulations Using a Boron-Doped Diamond Film Electrode by Differential Pulse Voltammetry. ELECTROANAL 2012. [DOI: 10.1002/elan.201200018] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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24
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Huang M, Gao JY, Zhai ZG, Liang QL, Wang YM, Bai YQ, Luo GA. An HPLC-ESI-MS method for simultaneous determination of fourteen metabolites of promethazine and caffeine and its application to pharmacokinetic study of the combination therapy against motion sickness. J Pharm Biomed Anal 2012; 62:119-28. [PMID: 22264564 DOI: 10.1016/j.jpba.2011.12.033] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2011] [Revised: 12/23/2011] [Accepted: 12/24/2011] [Indexed: 01/16/2023]
Abstract
The combination therapy, promethazine and caffeine had been proven effective in treating motion sickness and counteracting some possible side effects of using promethazine alone while the mechanism and interaction remained unclear. Therefore, an HPLC-ESI-MS method for simultaneous determination of both drugs, and their metabolites was developed for purpose of pharmacokinetic study. To determine as many metabolites as possible, the influence of parameters such as column, flow rate and pH value of mobile phase, ionization polarity and fragmentation voltage were optimized. Fourteen target analytes were well separated and all of them could be identified and determined in plasma after administration of promethazine and caffeine. The LODs and LOQs were 0.9-6.0 and 2.50-16.0 ng/ml, respectively; the recoveries of three levels of quality control samples were from 86.7% to 102%; the intra-day and inter-day precisions were less than 3% and 9%, separately; and the RSDs of compound stability were all lower than 10% within 24h after sample preparation. As a pharmacokinetic study of the combination therapy in 30 healthy volunteers, concentration-time curves of the drugs and metabolites were studied. The present method for simultaneous measurement of more than ten metabolites is valuable for the study of mechanism and interaction of the combination therapy.
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Affiliation(s)
- Min Huang
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
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Silva WC, Pereira PF, Marra MC, Gimenes DT, Cunha RR, da Silva RAB, Munoz RAA, Richter EM. A Simple Strategy for Simultaneous Determination of Paracetamol and Caffeine Using Flow Injection Analysis with Multiple Pulse Amperometric Detection. ELECTROANAL 2011. [DOI: 10.1002/elan.201100512] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Simultaneous estimation of ramipril, acetylsalicylic acid and atorvastatin calcium by chemometrics assisted UV-spectrophotometric method in capsules. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2011; 61:283-96. [PMID: 21945907 DOI: 10.2478/v10007-011-0027-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In the present work, three different spectrophotometric methods for simultaneous estimation of ramipril, aspirin and atorvastatin calcium in raw materials and in formulations are described. Overlapped data was quantitatively resolved by using chemometric methods, viz. inverse least squares (ILS), principal component regression (PCR) and partial least squares (PLS). Calibrations were constructed using the absorption data matrix corresponding to the concentration data matrix. The linearity range was found to be 1-5, 10-50 and 2-10 μg mL-1 for ramipril, aspirin and atorvastatin calcium, respectively. The absorbance matrix was obtained by measuring the zero-order absorbance in the wavelength range between 210 and 320 nm. A training set design of the concentration data corresponding to the ramipril, aspirin and atorvastatin calcium mixtures was organized statistically to maximize the information content from the spectra and to minimize the error of multivariate calibrations. By applying the respective algorithms for PLS 1, PCR and ILS to the measured spectra of the calibration set, a suitable model was obtained. This model was selected on the basis of RMSECV and RMSEP values. The same was applied to the prediction set and capsule formulation. Mean recoveries of the commercial formulation set together with the figures of merit (calibration sensitivity, selectivity, limit of detection, limit of quantification and analytical sensitivity) were estimated. Validity of the proposed approaches was successfully assessed for analyses of drugs in the various prepared physical mixtures and formulations.
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