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Moharami R, Karimzadeh Z, Soleymani J, Jouyban-Gharamaleki V, Khoubnasabjafari M, Rahimpour E, Jouyban A. Design and development of metal-organic framework-based nanocomposite hydrogels for quantification of deferiprone in exhaled breath condensate. BMC Chem 2024; 18:176. [PMID: 39294675 PMCID: PMC11411808 DOI: 10.1186/s13065-024-01294-0] [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: 06/26/2024] [Accepted: 09/09/2024] [Indexed: 09/21/2024] Open
Abstract
In this study, a novel fluorescence nanoprobe based on Materials of Institute Lavoisier (MIL-101) metal-organic frameworks embedding into the agarose hydrogel is fabricated using a hydrothermal technique. It uses for sensitive quantification of deferiprone in exhaled breath condensate (EBC) samples. The morphology and characterization of MIL-101/agarose nanocomposite hydrogel is studied by transmission electron microscopy, dynamic light scattering instrument, powder X-ray diffraction analysis, and Fourier transform infrared spectroscopy. The probe shows a reasonable fluorescence intensity quenching in the presence of deferiprone due to the interactions between iron centers in MIL-101 (Fe) and deferiprone, which likely form non-fluorescent complexes. The proposed nanoprobe demonstrates a linear calibration curve from 0.005 to 1.5 µg mL- 1 with a detection limit of 0.003 µg mL- 1. The intra- and inter-day precision of the reported method are 0.3% and 0.4% (n = 5, deferiprone concentration = 1.0 µg mL- 1), respectively. This method demonstrates high sensitivity and specificity towards deferiprone in the EBC samples and also presents a sensing platform with simplicity, convenience, fast implementation, and cost-effective in medical monitoring.
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Affiliation(s)
- Reza Moharami
- Pharmaceutical Analysis Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Karimzadeh
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jafar Soleymani
- Pharmaceutical Analysis Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Jouyban-Gharamaleki
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Science, Tabriz, Iran
| | - Maryam Khoubnasabjafari
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Science, Tabriz, Iran
- Department of Anesthesiology and Intensive Care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elaheh Rahimpour
- Pharmaceutical Analysis Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Chen SP, Taylor SM, Huang S, Zheng B. Application of Odd-Order Derivatives in Fourier Transform Nuclear Magnetic Resonance Spectroscopy toward Quantitative Deconvolution. ACS OMEGA 2024; 9:36518-36530. [PMID: 39220516 PMCID: PMC11360015 DOI: 10.1021/acsomega.4c04536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/28/2024] [Accepted: 07/31/2024] [Indexed: 09/04/2024]
Abstract
When Fourier transform (FT) spectrum peaks are overlapped, primary maxima of odd-order derivatives can be used to evaluate their independent intensities. We studied the feasibility of higher odd-order derivatives on Lorentzian peak shape and magnitude peak shape. Simulation studies for FT nuclear magnetic resonance (NMR) spectroscopy demonstrated good results toward quantitative deconvolution of overlapping FT spectrum peaks. Although it is not so desirable to deconvolute special line shapes such as Gaussian, Voigt, and Tsallis profiles, the odd-order derivatives exhibit a bright future compared to even-order derivatives. An application example of practical NMR spectroscopy with ethylbenzene isomers is presented. White Gaussian noises were added to the simulated spectra at two different signal-to-noise ratios (20 and 40). Kauppinen's denoising and smoothing algorithms can effectively remove interference of the noise and help to have good deconvoluting results using the odd-order derivatives. We compared features of our approach with popular deconvolution sharpening algorithms and conducted a comparison study with Kauppinen's Fourier self-deconvolution. Our approach has a better dynamic range of peak intensities and is not sensitive to the sampling rates. Other common deconvolution methods are also discussed briefly.
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Affiliation(s)
- Shu-Ping Chen
- Nexus
Scitech Centre of Canada, 17 White Oak Crescent, Richmond Hill, Ontario L4B 3R7, Canada
- Fujian
Superimposegraph Co., Ltd, Floor 20-1402. 338, Hualin Road, Fuzhou, Fujian 350013, China
| | - Sandra M. Taylor
- Department
of Civil Engineering, Camosun College (Interurban
Campus), Victoria, British Columbia V9E 2C1, Canada
| | - Sai Huang
- Fujian
Superimposegraph Co., Ltd, Floor 20-1402. 338, Hualin Road, Fuzhou, Fujian 350013, China
| | - Baoling Zheng
- Fujian
Superimposegraph Co., Ltd, Floor 20-1402. 338, Hualin Road, Fuzhou, Fujian 350013, China
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Al Samarrai SY, AlZubaidi R, Al-Ansari N. Charge transfer complex-based spectrophotometric analysis of famotidine in pure and pharmaceutical dosage forms. Sci Rep 2024; 14:3661. [PMID: 38351288 PMCID: PMC10864395 DOI: 10.1038/s41598-024-54402-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 02/12/2024] [Indexed: 02/16/2024] Open
Abstract
A straightforward and efficient spectrum technique was created using Ortho-chloranil as the electron acceptor (-acceptor) in a charge transfer (CT) complex formation reaction to determine the concentration of famotidine (FMD) in solutions. Compared to the double-distilled blank solution, the reaction result detected a definite violet colour at a maximum absorption wavelength of 546 nm, For concentrations range 2-28 µg/ml, the technique demonstrated excellent compliance with Beer-Law and Lambert's, as evidenced by its molar absorptivity of 2159.648 L mol-1 cm-1. Lower detection limits of 0.3024 µg/ml and 1.471 µg/ml, respectively, were discovered. The complexes of famotidine and Ortho-chloranil were found to have a 2:1 stoichiometry. Additionally, the suggested approach effectively estimated famotidine concentrations in pharmaceutical formulations, particularly in tablet form.
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Affiliation(s)
| | - Radhi AlZubaidi
- Civil and Environmental Engineering, College of Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Nadhir Al-Ansari
- Department of Civil, Environmental and Natural Resources Engineering, Lulea University of Technology, Luleå, Sweden.
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Abdelshakour MA, Attala K, Elsonbaty A, Abdel Salam RA, Hadad GM, Mostafa AE, Eissa MS. Eco-Friendly UV-Spectrophotometric Methods Employing Magnetic Nano-Composite Polymer for the Extraction and Analysis of Sexual Boosters in Adulterated Food Products: Application of Computer-Aided Design. J AOAC Int 2023; 106:1608-1619. [PMID: 37449906 DOI: 10.1093/jaoacint/qsad084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/10/2023] [Accepted: 07/02/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Solid phase extraction (SPE) techniques, based on computationally designed magnetic-based multi-targeting molecular imprinted polymer (MT-MIP), combined with UV spectrophotometric approaches provide advantages in the examination of counterfeit samples. OBJECTIVE The current work describes an innovative and sustainable methodology for the simultaneous determination of tadalafil (TAD) and dapoxetine hydrochloride (DAP) in aphrodisiac counterfeit products (honey and instant coffee) utilizing SPE exploiting MT-MIP. Additionally, an innovative UV spectrophotometric method capable of resolving TAD in its pharmaceutical binary mixtures with DAP was developed. A novel computational approach was implemented to tailor the synthesis and design of the MT-MIP particles. METHODS We applied a newly developed UV spectrophotometric method which was based on a Fourier self-deconvolution (FSD) method coupled with the isoabsorptive point for determination of TAD and DAP in pharmaceutical dosage form. We also applied an SPE process based on MT-MIP designed particles, assisting in the analysis of both drugs in counterfeit food samples. The SPE process and the UV spectroscopic methodology were assessed regarding their greenness using the pioneering green analytical procedure index (GAPI), analytical greeness including sample preparation (AGREEprep) and AGREE tools. The synthesized MT-MIP particles were characterized by scanning electron microscopy and energy-dispersive x-ray spectroscopy. RESULTS The suggested spectrophotometric methods revealed a wide linear concentration range of 2-50 µg/mL with lower LODs in the range of 0.604-0.994 µg/mL. Additionally, the suggested method demonstrated the utmost sensitivity and eco-friendliness for their target in its mixed dosage form and counterfeit food products. CONCLUSION The SPE process and the developed analytical UV spectroscopic methodology were validated as per the ICH guidelines, and were found to be suitable for overseeing some counterfeiting activities in commercially available honey and instant coffee aphrodisiac products. HIGHLIGHTS An SPE method based on MT-MIP magnetic-based polymer and a UV spectroscopic method were successfully developed for analysis of TAD and DAP in different matrices.
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Affiliation(s)
- Mohamed A Abdelshakour
- Sohag University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, Sohag 82524, Egypt
| | - Khaled Attala
- Egyptian Russian University, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Badr City, Cairo 11829, Egypt
| | - Ahmed Elsonbaty
- Egyptian Russian University, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Badr City, Cairo 11829, Egypt
| | - Randa A Abdel Salam
- Suez Canal University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, Ismailia 41522, Egypt
| | - Ghada M Hadad
- Suez Canal University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, Ismailia 41522, Egypt
| | - Aziza E Mostafa
- Suez Canal University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, Ismailia 41522, Egypt
| | - Maya S Eissa
- Egyptian Russian University, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Badr City, Cairo 11829, Egypt
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Eissa MS, Elsonbaty A, Attala K, A.Abdel Salam R, M.Hadad G, Abdelshakour MA, E.Mostafa A. Innovative and sustainable deconvoluted amplitude factor spectrophotometric method for the resolution of various severely overlapping pharmaceutical mixtures: Applying the complex-GAPI-tool. Heliyon 2023; 9:e20152. [PMID: 37771536 PMCID: PMC10522958 DOI: 10.1016/j.heliyon.2023.e20152] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/07/2023] [Accepted: 09/13/2023] [Indexed: 09/30/2023] Open
Abstract
UV spectroscopy is considered the simplest, the most money and time investor technique in analytical research. Besides its lowered solvent and energy consumption leading to greener outcomes, its practicality is wide and suitable for a wide range of applications. Multicomponent mixtures are always representing themselves as a problematic challenge for any analytical technique fortunately UV spectroscopic methods found many ways to tackle these mixtures. Fourier self-deconvolution (FSD) was recently applied in UV spectroscopy as an effective tool for the resolution of binary mixtures unfortunately like any other method may fail to completely resolve severely overlapping mixtures. In this paper, we epitomize the newly developed deconvoluted amplitude factor (DAF) spectrophotometric approach which couples the concepts of both the FSD and the amplitude factor methods for the resolution of tadalafil (TAD) in its binary mixtures with dapoxetine hydrochloride (DAP) or tamsulosin hydrochloride (TAM). The embraced approach was assessed regarding its greenness utilizing different assessing protocols to give evident proof for its sustainability. The innovative approach showed an enhancement in the resolution of binary mixtures and showed high sensitivity as noticed from limits of detection and quantitation which were (0.374, 1.136 μg/mL), (0.269, 0.817 μg/mL), and (0.518, 1.569 μg/mL) for TAD, DAP, and TAM, respectively. The method was validated as per ICH guidelines recommendations and also was statistically compared with recently reported methods which revealed no statistically significant difference. A very handy and reader-friendly data presentation approach was followed for the ease of statistical data interpretation and evaluation.
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Affiliation(s)
- Maya S. Eissa
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City, 11829, Cairo, Egypt
| | - Ahmed Elsonbaty
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City, 11829, Cairo, Egypt
| | - Khaled Attala
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City, 11829, Cairo, Egypt
| | - Randa A.Abdel Salam
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - Ghada M.Hadad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - Mohamed A. Abdelshakour
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Sohag University, Sohag, 82524, Egypt
| | - Aziza E.Mostafa
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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6
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El-Sayed HM, El-Abassy OM, Abdellatef HE, Hendawy HAM, Ibrahim H. Green Spectrophotometric Platforms for Resolving Overlapped Spectral Signals of Recently Approved Antiparkinsonian Drug (Safinamide) in the Presence of Its Synthetic Precursor (4-Hydroxybenzaldehyde): Applying Ecological Appraisal and Comparative Statistical Studies. J AOAC Int 2022; 106:26-33. [PMID: 36214622 PMCID: PMC9619678 DOI: 10.1093/jaoacint/qsac123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Safinamide, a highly specific inhibitor of monoamine oxidase B, is a new approved prodigious therapy used to cure Parkinson's disease (PD). OBJECTIVE Before marketing and selling a medicine, manufacturers must guarantee that the manufacturing process is consistent by monitoring levels of process-related chemicals and drug contaminants. Therefore, five precise, fast, and accurate spectrophotometric techniques were employed and evaluated for the simultaneous measurement of safinamide and its synthetic precursor, 4-hydroxybenzaldehyde. METHODS The first derivative, derivative ratio, ratio difference, dual wavelength, and Fourier self-deconvolution methods worked well to resolve spectral overlap of safinamide and its synthetic precursor, 4-hydroxybenzaldehyde. RESULTS Safinamide detection limits ranged from 0.598 to 1.315 µg/mL, whereas the 4-hydroxybenzaldehyde detection limit was found to be as low as 0.327 µg/mL. CONCLUSION According to International Council for Harmonisation (ICH) criteria, all procedures were verified and confirmed to be accurate, robust, repeatable, and precise within reasonable range. No considerable variation was found when comparing the outcomes of the suggested approaches to the findings of previously published methods. The ecological value of established methods was measured: the national environmental methods index (NEMI), the analytical eco-scale, the analytical greenness metric (AGREE), and the green analytical process index (GAPI) were used. HIGHLIGHTS This is the first spectrophotometric determination of safinamide drug in the presence of its synthetic precursor. Five simple and efficient spectrophotometric approaches were employed to determine a newly approved antiparkinsonian drug in the presence of its synthetic precursor simultaneously. Ecological appraisal was performed for the developed methods using four assessment tools.
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Affiliation(s)
- Heba M El-Sayed
- Department of Analytical Chemistry, Faculty of pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Omar M El-Abassy
- Corresponding author: Correspondence to Omar M El-Abassy, Teaching assistant of Analytical Chemistry, Department of Pharmaceutical Chemistry Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, Egypt. E-mail:
| | - Hisham Ezzat Abdellatef
- Department of Analytical Chemistry, Faculty of pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Hassan A M Hendawy
- Pharmaceutical Chemistry Department Egyptian Drug Authority, Giza, Egypt
| | - Hany Ibrahim
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo 11829, Egypt
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7
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Ibrahim H, El-Abassy OM, Abdellatef HE, Hendawy HAM, El-Sayed HM. Simultaneous analysis of two drugs used as supportive treatment for COVID-19: comparative statistical studies and analytical ecological appraisal. BMC Chem 2022; 16:72. [PMID: 36167604 PMCID: PMC9514717 DOI: 10.1186/s13065-022-00860-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 08/25/2022] [Indexed: 11/22/2022] Open
Abstract
Pharmaceutical quality control products (QC) demand quick, sensitive, and cost-effective methods to ensure high production at a low cost. Green analytical methods are also becoming more common in pharmaceutical research to cut down on the amount of waste that goes into the environment. Meclizine hydrochloride (MZH) and pyridoxine hydrochloride (PYH) are reported to be excellent for calming down COVID-19. As a result, the amount of MZH and PYH manufactured by multinational pharmaceutical organizations has increased considerably during the last several months. The present work proposes three environmentally friendly, straightforward, and sensitive spectrophotometric procedures for quantification of MZH in the presence of PYH in a pure and marketable formulations. The approaches under examination include ratio subtraction (RSM), induced dual wavelength (IDW), and Fourier self-deconvolution (FSD). PYH, on the other hand, was directly quantified at 290 nm. For both drugs, the procedures follow Beer’s law in the range of (5–50 µg/mL). The RSM, IDW, and FSD methods, as well as the zero-order approach for PYH, have all been verified in accordance with ICH standards. The ecological value of established methodologies was determined using four distinct ways: the national environmental methods index (NEMI), the analytical Eco-scale, the Analytical Greenness Metric (AGREE), and the green analytical process index (GAPI). Comparing the findings to those of the previously described spectrophotometric technique, no major changes were identified.
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Affiliation(s)
- Hany Ibrahim
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, 11829, Egypt
| | - Omar M El-Abassy
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, 11829, Egypt.
| | - Hisham Ezzat Abdellatef
- Department of Analytical Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
| | - Hassan A M Hendawy
- Pharmaceutical Chemistry Department, Egyptian Drug Authority, Giza, Egypt
| | - Heba M El-Sayed
- Department of Analytical Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
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8
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Elgazzar E, Attala K, Abdel-Atty S, Abdel-Raoof AM. A screen printed methodology optimized by molecular dynamics simulation and Lean Six Sigma for the determination of xylometazoline in the presence of benzalkonium chloride in nasal drops. Talanta 2022; 242:123321. [PMID: 35183980 DOI: 10.1016/j.talanta.2022.123321] [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: 07/06/2021] [Revised: 12/06/2021] [Accepted: 02/13/2022] [Indexed: 11/30/2022]
Abstract
A new chemically disposable screen-printed modified electrode with yttrium doped manganese oxide (Mn2O3/Y2O3) nanocomposite at screen printed electrode was mainly constructed to quantify xylometazoline hydrochloride (XMZ). The crystallographic parameters were estimated from the XRD spectrum, suggesting that Mn2O3 of cubic phase with average grain size ∼ 77 nm. The SEM images revealed that Y3+ dopants had improved the surface topology. The findings indicate that morphological features play a vital role in improving the electronic properties of the fabricated electrode. Augmentation of Six Sigma (SS) with molecular dynamics simulation (MD) as a theoretical study was widely adopted to improve the current process as a quality management methodology by measuring the process capability to determine if the process meets the desired specification limits. Process capability is determined through measuring the variability in the process output and comparing these variations with the desired specifications. Also, it assures a robust method specification at a high level of targeted performance and statistical confidence. A greenness assessment procedure utilizing the eco-scale algorism was conducted to prove the greenness of the proposed methodology. Additionally, the proposed sensor presented a high sensitivity over the concentration range (1x10-6-1x10-2 mol L-1) of a detection limit 3.93 × 10-7 mol L-1 with the Nernstian cationic slope of 58.18 ± 0.76 mV decade-1 at 25 ± 1 °C.
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Affiliation(s)
- Elsayed Elgazzar
- Department of Physics, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Khaled Attala
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Cairo, Egypt
| | - Shimaa Abdel-Atty
- Pharmaceutical Chemistry Department, National Organization for Drug Control and Research (NODCAR), Giza, Egypt
| | - Ahmed M Abdel-Raoof
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy (Boys), Al-Azhar University, 11751, Nasr City, Cairo, Egypt.
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9
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Elsonbaty A, Madkour AW, Abdel-Raoof AM, Abdel-Monem AH, El-Attar AAMM. Computational design for eco-friendly visible spectrophotometric platform used for the assay of the antiviral agent in pharmaceutical dosage form. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 271:120897. [PMID: 35066444 DOI: 10.1016/j.saa.2022.120897] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/07/2022] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
Nowadays, the analytical community is focusing on developing new analytical methods that incorporate principles of green analytical chemistry to reduce adverse impacts on the environment and humans. In this study, we focused specifically on establishing a correlated connection between theoretical and experimental applications via developing green, and eco-friendly visible spectrophotometric methods. These methods were relied on charge-transfer complexation (CTC) between ledipasvir and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ), or chloranilic acid (CA) for sensitive colorimetric analysis of ledipasvir in the presence of sofosbuvir (Sofolanork plus®). The results were evaluated as modern computational chemistry using molecular modeling technology. At ambient temperature, the reactions for DDQ and CA took 15 and 10 min, respectively, to produce a purple red-colored solution with DDQ absorbing maximally at 588 nm and a purple-colored solution with CA absorbing maximally at 522 nm. Linearity was achieved for ledipasvir utilizing DDQ and CA in the concentration ranges of 8-80 µg.mL-1 and 40-400 µg.mL-1, respectively. The precision and accuracy of the methods mentioned were determined. Finally, the results were statistically compared to a previously published spectrophotometric technique, and no significant differences were found.
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Affiliation(s)
- Ahmed Elsonbaty
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr 11829 City, Cairo, Egypt.
| | - Ahmed W Madkour
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt.
| | - Ahmed M Abdel-Raoof
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt
| | - Ahmed H Abdel-Monem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt
| | - Abdul-Aziz M M El-Attar
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt
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10
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Mathematically assisted UV-spectrophotometry as a greener alternative to HPLC-UV for quality control analysis of free-drug combinations. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106638] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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11
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Attala K, Elsonbaty A. Advanced eco-friendly UV spectrophotometric approach for resolving overlapped spectral signals of antihypertensive agents in their binary and tertiary pharmaceutical dosage form. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 258:119855. [PMID: 33964634 DOI: 10.1016/j.saa.2021.119855] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/28/2021] [Accepted: 04/15/2021] [Indexed: 06/12/2023]
Abstract
Cardiovascular disorders are among the foremost causes of death worldwide, especially hypertension, a silent killer syndrome that requires multiple drug therapy for proper management. This work presents novel and green spectrophotometric methods for the concurrent analysis of Amlodipine (AML), Telmisartan (TEL), Hydrochlorothiazide (HCTZ), and Chlorthalidone (CLO) in their pharmaceutical dosage form. The suggested methods were Fourier-self deconvolution, amplitude factor, and first derivative methods developed and validated for the simultaneous determination of a tertiary mixture of AML, TEL, and HCTZ in TELVAS 3D 80 mg tablet and a binary mixture of TEL and CLO in TELMIKIND-CT 40 tablets. The investigated methods revealed limits of detection 0.7283 µg/ml for AML and ranging from 0.0121 to 0.0433, 0.1547 to 0.1767 µg/ml and 0.0578 to 0.1262 µg/ml for TEL, HCTZ, and CLO, respectively.The greenness of the suggested techniques was examined by an eco-scale scoring method called the penalty points, which revealed that the methods were excellent green regarding several parameters as reagents, instrument, and waste safety. The introduced methods' validity was investigated by resolving prepared laboratory mixtures containing different AML, TEL, HCTZ, or TEL and CLO ratios. Furthermore, the introduced methods were ensured by the standard addition technique. Finally, the obtained results were statistically compared by the reported spectrophotometric methods, showing no significant difference concerning precision and accuracy.
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Affiliation(s)
- Khaled Attala
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Cairo, Egypt
| | - Ahmed Elsonbaty
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Cairo, Egypt.
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