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Vasilaki E, Markoulakis E, Lazari D, Psaroudaki A, Barbounakis I, Antonidakis E. A Novel Low-Frequency Electromagnetic Active Inertial Sensor for Drug Detection. SENSORS (BASEL, SWITZERLAND) 2024; 24:3059. [PMID: 38793913 PMCID: PMC11125059 DOI: 10.3390/s24103059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/30/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024]
Abstract
The purpose of this paper is to demonstrate a new discovery regarding the interaction between materials and very low radio frequencies. Specifically, we observed a feedback response on an inertia active sensor when specific frequencies (around 2-4 kHz) are used to irradiate targeted pharmaceutical samples like aspirin or paracetamol drugs. The characteristics of this phenomenon, such as excitation and relaxation time, the relation between deceleration and a material's quantity, and signal amplitude, are presented and analyzed. Although the underlying physics of this phenomenon is not yet known, we have shown that it has potential applications in remote identification of compounds, detection, and location sensing, as well as identifying substances that exist in plants without the need for any processing. This method is fast, accurate, low-cost, non-destructive, and non-invasive, making it a valuable area for further research that could yield spectacular results in the future.
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Affiliation(s)
- Erietta Vasilaki
- Computer Technology, Informatics & Electronic Devices Lab, Department of Electronics Engineering, Hellenic Mediterranean University, Romanou 3, 73133 Chania, Greece; (E.M.); (I.B.); (E.A.)
| | - Emmanouil Markoulakis
- Computer Technology, Informatics & Electronic Devices Lab, Department of Electronics Engineering, Hellenic Mediterranean University, Romanou 3, 73133 Chania, Greece; (E.M.); (I.B.); (E.A.)
| | - Diamanto Lazari
- Department of Pharmacognosy-Pharmacology, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece;
| | - Antonia Psaroudaki
- Department of Nutrition and Dietetics Sciences, Hellenic Mediterranean University, Tripitos, 72300 Crete, Greece;
| | - Ioannis Barbounakis
- Computer Technology, Informatics & Electronic Devices Lab, Department of Electronics Engineering, Hellenic Mediterranean University, Romanou 3, 73133 Chania, Greece; (E.M.); (I.B.); (E.A.)
| | - Emmanuel Antonidakis
- Computer Technology, Informatics & Electronic Devices Lab, Department of Electronics Engineering, Hellenic Mediterranean University, Romanou 3, 73133 Chania, Greece; (E.M.); (I.B.); (E.A.)
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2
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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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3
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Najmul Hejaz Azmi S, Aqib Nasir Al Rawahi W, Ibrahim Al Yahyai A, Ali Al Qasimi A, Saif Al Fuliti K, Said Al Qalhati O, Rahman N, Uddin Ahmed Q. High performance liquid chromatographic method optimized by Box-Behnken design model to determine caffeine in pharmaceutical preparations and urine samples. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124035. [PMID: 38309045 DOI: 10.1016/j.jchromb.2024.124035] [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: 12/21/2023] [Revised: 01/19/2024] [Accepted: 01/24/2024] [Indexed: 02/05/2024]
Abstract
A UV-HPLC method optimized by Box-Behnken design model was developed to determine caffeine in pharmaceutical preparations and urine samples. The chromatographic conditions followed were mobile phase: methanol/water/ citrate buffer (pH 4.6) (40:25:35, v/v/v),AcclaimTMDionex C18 column (ODS 100A˚, 5 µm; 4.6 × 250 mm),flow rate (0.9 mL min-1), column temperature (30 °C) and UV-detection wavelength (204 nm). The chromatographic variables: pH (A), % methanol fraction (B), flow rate(C) and column temperature (D) were optimized at 50 μg mL-1caffeine using BBD model. The chromatogram resulted in the asymmetry factor (1.23), theoretical plate 13,786 and retention time (5.79 min). The proposed HPLC method's greenness point was assessed byAnalytical Eco-scale and found to be 78 (as per guidelines, ranked as excellent). The linearity was ranged from2.0 to 70 µg mL-1 with coefficient of correlation (r = 0.999) and detection limit of 0.19 µg mL-1. The proposedmethod was developed successfully and applied for the assay of active caffeine in pharmaceutical preparations and urine samples. The % recovery obtained by both (proposed and reference) methods ranged from 99.98 to 100.05 % followed the compliance (100 ± 2 %) with Canadian Health Protection regulatory guidelines. The performance of the proposed method was compared with published papers and found to be acceptable and superior. The proposed method was quite effective as the reference method, and hence can be used as an alternative method for the assay of active caffeine in pharmaceutical preparations and urine samples.
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Affiliation(s)
- Syed Najmul Hejaz Azmi
- Applied Sciences Department, College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences-Muscat, P. O. Box 74, Al Khuwair 133, Oman.
| | - Wafa Aqib Nasir Al Rawahi
- Applied Sciences Department, College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences-Muscat, P. O. Box 74, Al Khuwair 133, Oman.
| | - Arwa Ibrahim Al Yahyai
- Applied Sciences Department, College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences-Muscat, P. O. Box 74, Al Khuwair 133, Oman.
| | - Asma Ali Al Qasimi
- Applied Sciences Department, College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences-Muscat, P. O. Box 74, Al Khuwair 133, Oman.
| | - Kothar Saif Al Fuliti
- Applied Sciences Department, College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences-Muscat, P. O. Box 74, Al Khuwair 133, Oman.
| | - Omayma Said Al Qalhati
- Applied Sciences Department, College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences-Muscat, P. O. Box 74, Al Khuwair 133, Oman.
| | - Nafisur Rahman
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, Uttar Pradesh, India.
| | - Qamar Uddin Ahmed
- Department of Pharmaceutical Chemistry, Kulliyyah of Pharmacy, International Islamic University Malaysia, 25200, Kuantan, Pahang DM, Malaysia.
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4
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Moreira NS, Pinheiro KMP, Sousa LR, Garcia GDS, Figueredo F, Coltro WKT. Distance-based detection of paracetamol in microfluidic paper-based analytical devices for forensic application. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 16:33-39. [PMID: 38010169 DOI: 10.1039/d3ay01739g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Whisky adulteration is a prevalent practice driven by the high cost of these beverages. Counterfeiters commonly dilute whisky with less expensive alcoholic beverages, water, food additives, drugs or pharmaceuticals. Paracetamol (PAR), an analgesic drug that mitigates hangovers and headaches, is commonly used to adulterate whisky. Currently, the primary method for quantifying PAR levels is high-performance liquid chromatography, but this technique is both time consuming and usually generates more residues. In this context, the utilization of miniaturized and portable analytical devices becomes imperative for conducting point-of-care/need analyses. These devices offer several advantages, including portability, user-friendliness, low cost, and minimal material wastage. This study proposes the selective distance-based PAR quantification on whisky samples using a paper-based microfluidic analytical device (μPAD). Colorimetric detection on paper-based platforms offers great benefits such as affordability, portability, and the ability to detect PAR without complicated instrumentation. The optimal detection conditions were achieved by introducing 5 μL of a mixture containing 7.5 mmol L-1 of Fe(III) and K3[Fe(CN)6] into the detection zone, along with 12 μL of whisky samples into the sample zone. The method exhibited linear behavior within the concentration range from 15 to 120 mg L-1, with a determination coefficient of 0.998. PAR was quantified in adulterated samples. The results obtained with the paper-based devices were compared with a referenced method, and no significant differences were observed at a confidence level of 95%. The μPAD allowed to determine ca. 1 drop of pharmaceutical medicine PAR of 200 mg mL-1 in 1 L of solution, demonstrating excellent sensitivity. This method offers cost-effective and rapid analysis, reducing the consumption of samples, reagents, and wastes. Consequently, it could be considered a viable and portable alternative for analyzing beverages at criminal scenes, customs, and police operations, thereby enhancing the field of forensics.
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Affiliation(s)
- Nikaele S Moreira
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Kemilly M P Pinheiro
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Lucas R Sousa
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
- Laboratorio de Biosensores y Bioanálisis (LABB), Departamento de Química Biológica e IQUIBICEN - CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón 2, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, Argentina
| | - Gabriel D S Garcia
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Federico Figueredo
- Laboratorio de Biosensores y Bioanálisis (LABB), Departamento de Química Biológica e IQUIBICEN - CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón 2, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, Argentina
| | - Wendell K T Coltro
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
- Laboratorio de Biosensores y Bioanálisis (LABB), Departamento de Química Biológica e IQUIBICEN - CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón 2, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, Argentina
- Instituto Nacional de Ciência e Tecnologia de Bioanalítica, 13084-971, Campinas, SP, Brazil
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5
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Ghonim R, Tolba MM, Ibrahim F, El-Awady MI. Smart green spectrophotometric assay of the ternary mixture of drotaverine, caffeine and paracetamol in their pharmaceutical dosage form. BMC Chem 2023; 17:181. [PMID: 38093380 PMCID: PMC10720201 DOI: 10.1186/s13065-023-01097-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023] Open
Abstract
Three green and facile spectrophotometric methods were developed for the assay of Petro® components; drotaverine HCl (DRT), caffeine (CAFF), and paracetamol (PAR). The three methods depend on measuring the absorbance of the studied drugs through their ethanolic solution. The first derivative spectrophotometry (FDS) at (Δλ = 10) were good parameters for DRT and CAFF resolution; DRT and CAFF could be well calibrated using FDS at 320 and 285 nm, respectively. PAR could be estimated at 308 nm utilizing the second derivative spectrophotometry (SDS). Method II relies on the double divisor ratio derivative spectroscopy (DDRDS). The first derivative was applied on each drug where they would be assayed at 309, 288, and 255 nm for DRT, CAFF, and PAR, respectively. Method III depends on the mean centering (MCR) technique. DRT, CAFF, and PAR could be determined at 309, 214, and 248 nm, respectively. The concentrations were rectilinear in the ranges of 2-20 µg/mL for DRT, 1.5-15 µg/mL for CAFF, and 2-40 µg/mL for PAR in double devisor and mean centering but PAR from 5 to 40 µg/mL in derivative method. Method validation was performed according to ICH guidelines assured by the agreement with the comparison method. In addition, greenness assessment of the proposed methods was investigated. The application of the proposed method was extended to analyse tablet dosage form and performing invitro dissolution testing.
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Affiliation(s)
- Rana Ghonim
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Delta University for Science and Technology, International Coastal Road, Gamasa, 11152, Egypt.
| | - Manar M Tolba
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Fawzia Ibrahim
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Mohamed I El-Awady
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Delta University for Science and Technology, International Coastal Road, Gamasa, 11152, Egypt
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6
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Hammad SF, El-Malla SF, El-Khateeb BZ. Enhanced fluorimetric detection of diphenylpyraline HCl using micelle and cyclodextrin mediated approach: Spectrofluorimetric and micellar liquid chromatographic application for either single or combined formulation with caffeine and paracetamol. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 291:122317. [PMID: 36621026 DOI: 10.1016/j.saa.2023.122317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/31/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
Highly sensitive micellar spectrofluorimetric method (Method I) has been developed and validated for the determination of diphenylpyraline HCl in pharmaceutical tablets and in plasma. Sodium dodecyl sulfate improves the intensity of fluorescence of diphenylpyraline at 286 nm at pH 5 that allow its determination in plasma at nano-level. the mean percent recovery ± S.D was 99.719 ± 0.338 in plasma. In addition, Green cyclodextrin-modified micellar liquid chromatographic method (Method II) has been developed and validated for simultaneous determination of diphenylpyraline, paracetamol and caffeine using cyclodextrin micellar mobile phase consisted of 30 mM Brij*35, 0.5 mM hydroxypropyl β-cyclodextrin and phosphate buffer pH 4: MeOH (95:5, %v/v) that allows their simultaneous determination with enhanced spectrofluorimetric detection of diphenylpyraline. Method II was effectively applied for the simultaneous determination of diphenylpyraline, paracetamol and caffeine in a ternary laboratory prepared mixture which contained all possible excipients with mean percent recoveries ± S.D of 100.176 ± 1.008, 101.166 ± 0.415 and 100.708 ± 1.836, respectively. Linearity range for Method I was 0.1-1 μg. mL-1 for diphenylpyraline and for Method II was 0.3-50, 25-350, and 0.5-50 for caffeine, paracetamol and diphenylpyraline, respectively. Method I was also applied in spiked human plasma with linearity range 0.2-0.5 μg. mL-1. The methods are verified to have excellent greenness.
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Affiliation(s)
- Sherin F Hammad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, The Medical Campus of Tanta University, Elgeish Street, Tanta 31111, Egypt
| | - Samah F El-Malla
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, The Medical Campus of Tanta University, Elgeish Street, Tanta 31111, Egypt
| | - Basma Z El-Khateeb
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, The Medical Campus of Tanta University, Elgeish Street, Tanta 31111, Egypt.
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A non-toxic poly(resorcinol) modified glassy carbon electrode for highly Selective Square wave voltammetry determination of aspirin in tablet formulations and human urine samples. SENSING AND BIO-SENSING RESEARCH 2023. [DOI: 10.1016/j.sbsr.2023.100554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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8
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Mukhtar I, Anwar H, Iftikhar A, Hashem HE, Ali Q, Siddique F. Human targeted phenobarbital presents a poor substrate of gut microbiome deciphering new drug targets beyond pharmacokinetic curbs. BMC Pharmacol Toxicol 2022; 23:85. [DOI: 10.1186/s40360-022-00618-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 09/27/2022] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
The gut microbiome, a new organ of the body, can potentially alter the pharmacokinetics of orally administered drugs through microbial enzymes. However, absorption of orally administered non-antibiotic drugs by the gut microbiome, during drug-microbiome interaction, is barely addressed. Structural homology studies confirm similar membrane transport proteins in gut epithelial cells and the gut microbiome of the host that may compete for drug substrates with the host itself for its absorbance. Therefore, it is hypothesized that orally administered human targeted phenobarbital may interact and/or be uptake by the gut microbiome during its transit through the small intestine.
Methods
In the current in vivo study, thirty-six male Wistar albino rats were divided into six groups including one control and 5 treatment groups, each having an equal number of rats (n = 6). Phenobarbital was administered orally (single dose of 15 mg/kg bw) to treatment groups. Animals were subsequently sacrificed to harvest microbial mass pallets residing in the small intestine after 2, 3, 4, 5, and 6 h of phenobarbital administration. Phenobarbital absorbance by the microbiome in the microbial lysate was estimated through RP-HPLC–UV at a wavelength of 207 nm.
Results
Maximum phenobarbital absorbance (149.0 ± 5.93 µg) and drug absorbance per milligram of microbial mass (1.19 ± 0.05 µg) were found significantly higher at 4 h of post-administration in comparison to other groups. Percent dose recovery of phenobarbital was 5.73 ± 0.19% at 4 h while the maximum intestinal transit time was 5 h till the drug was absorbed by the microbes. Such results pronounce the idea of the existence of structural homology between membrane transporters of the gut microbiome and intestinal enterocytes of the host that may competitively absorb orally administered phenobarbital during transit in the small intestine. The docking studies revealed that the phenobarbital is a poor substrate for the gut microbiome.
Conclusion
Gut microbiome may competitively absorb the non-antibiotics such as phenobarbital as novel substrates due to the presence of structurally homologous transporting proteins as in enterocytes. This phenomenon suggests the microbiome as a potential candidate that can significantly alter the pharmacokinetics of drugs.
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9
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Long-term stability of phenobarbital in various pharmaceutical products. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02950-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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10
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Saito MS, Zatta KC, Sathler PC, Furtado PS, C O Miguel N, Frattani FF, Berger M, Lavayen V, Pohlmann AR, Guterres SS. Therapeutic implementation in arterial thrombosis with pulmonary administration of fucoidan microparticles containing acetylsalicylic acid. Int J Pharm 2022; 622:121841. [PMID: 35623486 DOI: 10.1016/j.ijpharm.2022.121841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/13/2022] [Accepted: 05/15/2022] [Indexed: 11/16/2022]
Abstract
Several antithrombotic drugs are available to treat cardiovascular diseases due to its high mortality and morbidity worldwide. Despite these, severe adverse effects that can lead to treatment withdrawal have been described, highlighting the importance of new therapies. Thus, this work describes the development of fucoidan microparticles containing acetylsalicylic acid (MP/F4M) for pulmonary delivery and in vitro, ex vivo, and in vivo evaluation. Microparticles were prepared via spray-drying and characterized in vitro (mucoadhesive properties, coagulation time, platelet aggregation, adhesion, and hemolysis) followed by ex vivo platelet aggregation, in vivo arterial thrombosis, and hemorrhagic profile. The formulation physicochemical characterization showed suitable characteristics along with delayed drug release, increased breathable particle fraction, and high washability resistance as well as antiplatelet activity and enhanced platelet adhesion in vitro. In in vivo assays, MP/F4M protected against arterial thrombosis, without changes in the hemorrhagic profile. Finally, no lung changes were observed after prolonged pulmonary administration, whereas isolated ASA led to an inflammatory response. In conclusion, pulmonary administration of fucoidan microparticles with an antiplatelet drug may be an alternative therapy to treat cardiovascular diseases, opening the field for different formulations.
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Affiliation(s)
- Max S Saito
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, RS, Brazil.
| | - Kelly C Zatta
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, RS, Brazil
| | - Plínio C Sathler
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Rio de Janeiro
| | - Priscila S Furtado
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Rio de Janeiro
| | - Nádia C O Miguel
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Flávia F Frattani
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Rio de Janeiro
| | - Markus Berger
- Laboratory of Biochemical Pharmacology, Experimental Research Center, Hospital de Clinicas de Porto Alegre, Federal University of Rio Grande do Sul
| | - Vladimir Lavayen
- Postgraduate Program in Chemistry, Federal University of Rio Grande do Sul, RS, Brazil
| | - Adriana R Pohlmann
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, RS, Brazil
| | - Sílvia S Guterres
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, RS, Brazil
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11
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Ali S, Azeem SMA, Naqvi A, El-Shahat MF, Mohamed A. Selective Separation and Preconcentration of Caffeine from Natural and Pharmaceutical Products using New Polyurethane Foams. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e20175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Samah Ali
- Taibah University, Saudi Arabia; The National Organization for Drug Control and Research, Egypt
| | | | | | | | - Amr Mohamed
- Taibah University, Saudi Arabia; The Higher Institute of Optics Technology, Egypt
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12
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Grabska J, Beć KB, Ozaki Y, Huck CW. Anharmonic DFT Study of Near-Infrared Spectra of Caffeine: Vibrational Analysis of the Second Overtones and Ternary Combinations. Molecules 2021; 26:molecules26175212. [PMID: 34500645 PMCID: PMC8433751 DOI: 10.3390/molecules26175212] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 11/16/2022] Open
Abstract
Anharmonic quantum chemical calculations were employed to simulate and interpret a near-infrared (NIR) spectrum of caffeine. First and second overtones, as well as binary and ternary combination bands, were obtained, accurately reproducing the lineshape of the experimental spectrum in the region of 10,000–4000 cm−1 (1000–2500 nm). The calculations enabled performing a detailed analysis of NIR spectra of caffeine, including weak bands due to the second overtones and ternary combinations. A highly convoluted nature of NIR spectrum of caffeine was unveiled, with numerous overlapping bands found beneath the observed spectral lineshape. To properly reflect that intrinsic complexity, the band assignments were provided in the form of heat maps presenting the contributions to the NIR spectrum from various kinds of vibrational transitions. These contributions were also quantitatively assessed in terms of the integral intensities. It was found that the combination bands provide the decisively dominant contributions to the NIR spectrum of caffeine. The first overtones gain significant importance between 6500–5500 cm−1, while the second overtones are meaningful in the higher wavenumber regions, particularly in the 10,000–7000 cm−1 region. The obtained detailed band assignments enabled deep interpretation of the absorption regions of caffeine identified in the literature as meaningful for analytical applications of NIR spectroscopy focused on quantitative analysis of caffeine content in drugs and natural products.
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Affiliation(s)
- Justyna Grabska
- CCB—Center for Chemistry and Biomedicine, Institute of Analytical Chemistry and Radiochemistry, Leopold-Franzens University, Innrain 80/82, 6020 Innsbruck, Austria; (K.B.B.); (C.W.H.)
- Correspondence:
| | - Krzysztof B. Beć
- CCB—Center for Chemistry and Biomedicine, Institute of Analytical Chemistry and Radiochemistry, Leopold-Franzens University, Innrain 80/82, 6020 Innsbruck, Austria; (K.B.B.); (C.W.H.)
| | - Yukihiro Ozaki
- School of Biological and Environmental Sciences, Kwansei Gakuin University, Sanda 669-1337, Hyogo, Japan;
- Toyota Physical and Chemical Research Institute, Yokomichi, Nagakute 480-1192, Aichi, Japan
| | - Christian W. Huck
- CCB—Center for Chemistry and Biomedicine, Institute of Analytical Chemistry and Radiochemistry, Leopold-Franzens University, Innrain 80/82, 6020 Innsbruck, Austria; (K.B.B.); (C.W.H.)
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13
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Mukhtar I, Iftikhar A, Imran M, Ijaz MU, Irfan S, Anwar H. The Competitive Absorption by the Gut Microbiome Suggests the First-Order Absorption Kinetics of Caffeine. Dose Response 2021; 19:15593258211033111. [PMID: 34421438 PMCID: PMC8375357 DOI: 10.1177/15593258211033111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 06/24/2021] [Accepted: 06/28/2021] [Indexed: 11/16/2022] Open
Abstract
In the literature archive, the intestinal microbiome is now considered as a discrete organ system. Despite living symbiotically with the human body, the gut microbiome is represented as potential drug targets because of its ability to modify the pharmacokinetics of orally administered drugs. Structural biology analysis indicates the existence of homology between transport proteins of microbial cells and membranes of enterocytes. It is speculated that structural similarity in the protein transporters may provoke an unwanted phenomenon of drug uptake by the gut microbiome present in the small intestine of the host. Considering this hypothesis, we analyzed the absorbance of orally administered caffeine by the gut microbiota in in vivo albino rat model through the RP-HPLC-UV approach. Microbiome absorbed the caffeine maximally at 2 hours and minimally at 5 hours post-drug administration following first-order absorption kinetics in a nonlinear way. Drug absorbance of microbial pellet and percent dose recovery was found significantly higher (P ≤ .05) at 2 hours post-administration as compared to all other groups. As speculated, our findings advocated the phenomenon that the gut microbiome influences the absorption of caffeine molecules. Members of the gut microbiome exhibited grouped behavior following first-order absorption kinetics in a nonlinear pattern.
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Affiliation(s)
- Imran Mukhtar
- Department of Physiology, Government College University, Faisalabad, Pakistan.,Sir Sadiq Muhammad Khan Abbasi Post Graduate Medical College, Faculty of Medicine and Allied Health Sciences, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Arslan Iftikhar
- Department of Physiology, Government College University, Faisalabad, Pakistan
| | - Muhammad Imran
- Department of Food Science, Government College University, Faisalabad, Pakistan
| | - Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Shahzad Irfan
- Department of Physiology, Government College University, Faisalabad, Pakistan
| | - Haseeb Anwar
- Department of Physiology, Government College University, Faisalabad, Pakistan
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Pereira FJ, Rodríguez-Cordero A, López R, Robles LC, Aller AJ. Development and Validation of an RP-HPLC-PDA Method for Determination of Paracetamol, Caffeine and Tramadol Hydrochloride in Pharmaceutical Formulations. Pharmaceuticals (Basel) 2021; 14:ph14050466. [PMID: 34063393 PMCID: PMC8156741 DOI: 10.3390/ph14050466] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 12/17/2022] Open
Abstract
Paracetamol (acetaminophen) (PAR), caffeine (CAF) and tramadol hydrochloride (TRA) are important drugs widely used for many clinical purposes. Determination of their contents is of the paramount interest. In this respect, a quick, simple and sensitive isocratic RP-HPLC method with photodiode array detection was developed for the determination of paracetamol, caffeine and tramadol in pharmaceutical formulations. An improved sensitive procedure was also evolved for tramadol using a fluorescence detector system. A C18 column and a mobile phase constituted by methanol/phosphate were used. LODs were found to be 0.2 μg/mL, 0.1 μg/mL and 0.3 μg/mL for paracetamol, caffeine and tramadol hydrochloride, respectively, using photodiode-array detection. Alternatively, LOD for tramadol decreased to 0.1 μg/mL with the fluorescence detector. Other notable analytical figures of merit include the linear concentration ranges, 0.8–270 μg/mL, 0.4–250 μg/mL and 1.0–300 (0.2–40) μg/mL, for the same ordered analytes (including the fluorescence detector). The proposed method was successfully applied for the quantitative determination of the three drugs in tablet dosage forms.
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Affiliation(s)
- Fernando J Pereira
- Department of Applied Chemistry and Physics, Area of Analytical Chemistry, Faculty of Biological and Environmental Sciences, Campus de Vegazana, s/n, University of León, E-24071 León, Spain
| | - Aida Rodríguez-Cordero
- Department of Applied Chemistry and Physics, Area of Analytical Chemistry, Faculty of Biological and Environmental Sciences, Campus de Vegazana, s/n, University of León, E-24071 León, Spain
| | - Roberto López
- Department of Applied Chemistry and Physics, Area of Physical Chemistry, Faculty of Biological and Environmental Sciences, Campus de Vegazana, s/n, University of León, E-24071 León, Spain
| | - Luis C Robles
- Department of Applied Chemistry and Physics, Area of Analytical Chemistry, Faculty of Biological and Environmental Sciences, Campus de Vegazana, s/n, University of León, E-24071 León, Spain
| | - A Javier Aller
- Department of Applied Chemistry and Physics, Area of Analytical Chemistry, Faculty of Biological and Environmental Sciences, Campus de Vegazana, s/n, University of León, E-24071 León, Spain
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15
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Rabia Zafar, Khan IU, Sharif S, Farid S, Iqbal H, Khan SI. High Performance Liquid Chromatographic–Diode Array Detector Method for Simultaneous Determination of Aspirin, Caffeine and Ephedrine in Weight Loss Formulations, Human Plasma and in vitro Drug–Drug Interaction Studies. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s106193482012014x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Bhagyashri B. Kamble, Tawade AK, Kamble P, Padavi MN, Sharma KKK, Ajalkar BD, Tayade SN. Hydrothermal Assisted Synthesis of Micro-Bricks Shaped WO3 for Electrochemical Oxidation of Paracetamol: A Microstructured Paracetamol Sensor. RUSS J ELECTROCHEM+ 2020. [DOI: 10.1134/s1023193520050043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Encarnação T, Aguiar A, Palito C, Pais AACC, Campos MG, Sobral AJFN, Burrows HD. Development and validation of a RP-HPLC method for the simultaneous analysis of paracetamol, ibuprofen, olanzapine, and simvastatin during microalgae bioremediation. MethodsX 2020; 7:101083. [PMID: 33102154 PMCID: PMC7569217 DOI: 10.1016/j.mex.2020.101083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 09/24/2020] [Indexed: 02/06/2023] Open
Abstract
A rapid reverse phase high-performance liquid chromatography (RP-HPLC) method was developed and validated for the simultaneous quantification of paracetamol, ibuprofen, olanzapine, simvastatin and simvastatin acid in the context of microalgae bioremediation. The method was validated according to the guidelines of the US Food and Drug Administration (FDA), the International Conference on Harmonization (ICH), and Eurachem with respect to system suitability, linearity, accuracy, precision, recovery, limits of detection and quantification, ruggedness, selectivity and specificity. The estimated limits of detection and quantification were, respectively, 0.03 and 0.10 µg mL-1 for paracetamol, 0.03 and 0.09 µg mL-1 for ibuprofen, 0.04 and 0.13 µg mL-1 for olanzapine, 0.27 and 0.83 µg mL-1 for simvastantin, and 0.05 and 0.14 µg mL-1 for simvastantin acid. The inter-day and intra-day precision results were within the acceptance limit of relative standard deviation (%RSD) of less than 2, and the percentage recovery was found to be within the required limits of 80-110%. The developed method is rapid, linear, precise, robust and accurate, and has been successfully applied to the determination of the above common pharmaceutical products during microalgae bioremediation.
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Affiliation(s)
- Telma Encarnação
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
| | - António Aguiar
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Cátia Palito
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Alberto A C C Pais
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Maria G Campos
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Abílio J F N Sobral
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Hugh D Burrows
- CQC, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
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18
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Dogan A, Eylem CC, Akduman NEB. Application of green methodology to pharmaceutical analysis using eco-friendly ethanol-water mobile phases. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104895] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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Sasal A, Tyszczuk‐Rotko K, Chojecki M, Korona T, Nosal‐Wiercińska A. Direct Determination of Paracetamol in Environmental Samples Using Screen‐printed Carbon/Carbon Nanofibers Sensor – Experimental and Theoretical Studies. ELECTROANAL 2020. [DOI: 10.1002/elan.202000039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Agnieszka Sasal
- Faculty of Chemistry, Institute of Chemical SciencesMaria Curie-Skłodowska University in Lublin 20-031 Lublin Poland
| | - Katarzyna Tyszczuk‐Rotko
- Faculty of Chemistry, Institute of Chemical SciencesMaria Curie-Skłodowska University in Lublin 20-031 Lublin Poland
| | - Michał Chojecki
- Faculty of ChemistryUniversity of Warsaw 02-093 Warsaw Poland
| | - Tatiana Korona
- Faculty of ChemistryUniversity of Warsaw 02-093 Warsaw Poland
| | - Agnieszka Nosal‐Wiercińska
- Faculty of Chemistry, Institute of Chemical SciencesMaria Curie-Skłodowska University in Lublin 20-031 Lublin Poland
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20
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Shehata M, Azab S, Fekry A. Facile caffeine electrochemical detection via electrodeposited Ag nanoparticles with modifier polymers on carbon paste sensor at aqueous and micellar media. CAN J CHEM 2020. [DOI: 10.1139/cjc-2019-0195] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The analysis and detection of caffeine (Caf) is very useful due to its widespread usage in several daily consumed beverages, food products, and pharmacological preparations with various physiological effects. The preparation of a newly electrodeposited Ag nanoparticles – cellulose acetate phthalate (CAP) – chitosan (Chit) modified carbon paste (ACCMCP) sensor for sensitive determination of Caf in 0.01 mol L−1 H3PO4 solution (pH 1.0–5.0) both in aqueous and micellar media (0.5 mmol L−1 SDS) was achieved. The interaction of Caf was monitored using electrochemical techniques such as cyclic voltammetry, differential pulse voltammetry, electrochemical impedance spectroscopy, and chronoamperometry, and surface characterization was carried out using X-ray diffraction, scanning electron microscope, and energy dispersive X-ray techniques. The linear detection range of Caf was between 4 and 500 μmol L−1 (r2 = 0.955) and the limit of detection obtained from the calibration plot was 0.252 μmol L−1. The sensor was applicable for detecting Caf in numerous real samples with recoveries from 98.03% to 101.60% without interference of any accompanying species, which ensures high method selectivity.
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Affiliation(s)
- M. Shehata
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - S.M. Azab
- Pharmaceutical Chemistry Dept., National Organization for Drug Control and Research (NODCAR), Giza 29, Egypt
| | - A.M. Fekry
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
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21
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Facile HPTLC-densitometric determination of ertapenem and paracetamol in pharmaceuticals and rabbit plasma with pharmacokinetic insights. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Qiao J, Zhang L, Gao S, Li N. Facile Fabrication of Graphene-Supported Pt Electrochemical Sensor for Determination of Caffeine. Appl Biochem Biotechnol 2019; 190:529-539. [PMID: 31396885 DOI: 10.1007/s12010-019-03104-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 07/18/2019] [Indexed: 01/07/2023]
Abstract
Because elevated levels of caffeine intake can cause many health complications, it is necessary to develop an accurate, simple, rapid, and cost-effective methodology to quantify caffeine in commonly consumed products. This article discusses electrochemical methods to synthesize platinum-graphene hybrid nanosheets (Pt-GR), and how these methods can be utilized to create a new modified electrode, the platinum-graphene nanohybrid glass carbon electrode (Pt-GR/GCE). The electrochemical behavior of caffeine on Pt-GR/GCE was studied by differential pulse voltammetry (DPV). The results showed that a sensitive oxidation peak was observed at 1.336 V in 0.01 mol L-1 H2SO4 buffer solution, indicating that the Pt-GR/GCE exhibited a good electrooxidation activity towards caffeine. The detection limit is 1.129 × 10-7 mol L-1. The modified electrode was applied to the determination of caffeine in real samples with satisfactory electrocatalytic results.
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Affiliation(s)
- Jie Qiao
- Department of Chemistry, Department of Biochemistry and Molecular Biology, College of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, People's Republic of China.
| | - Liting Zhang
- Department of Chemistry, Department of Biochemistry and Molecular Biology, College of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, People's Republic of China
| | - Shan Gao
- Department of Chemistry, Department of Biochemistry and Molecular Biology, College of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, People's Republic of China
| | - Ningbo Li
- Department of Chemistry, Department of Biochemistry and Molecular Biology, College of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, People's Republic of China
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23
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Robertson J, Squire M, Becker S. A Thermoelectric Device for Coupling Fluid Temperature Regulation During Continuous Skin Sonoporation or Sonophoresis. AAPS PharmSciTech 2019; 20:147. [PMID: 30887137 DOI: 10.1208/s12249-019-1357-4] [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: 01/05/2019] [Accepted: 02/28/2019] [Indexed: 11/30/2022] Open
Abstract
During skin sonoporation and sonophoresis, time-consuming duty cycles or fluid replacement is often required to mitigate coupling fluid temperature increases. This study demonstrates an alternative method for temperature regulation: a circulating, thermoelectric system. Porcine skin samples were sonoporated continuously for 10 min at one of three intensities (23.8, 34.2, 39.4 W/m2). A caffeine solution was then applied to the skin and left to diffuse for 20 h. During sonoporation, the system was able to maintain the temperature between 10 and 16°C regardless of the intensity. No increase in transdermal transport was achieved with an intensity of 23.8 W/m2. Intensities of 34.2 and 39.4 W/m2 resulted in 3.5-fold (p < 0.05) and 3.7-fold (p < 0.05) increases in mean transport, relative to a control case with no ultrasound. From these results, it is concluded that a significant transport increase can be achieved with a system that circulates and cools the coupling fluid during ultrasound application. Relative to the previous methods of temperature control (duty cycles and fluid replacement), use of this circulation system will lead to significant time savings in future experimental studies.
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24
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Ulusoy Hİ, Yılmaz E, Soylak M. Magnetic solid phase extraction of trace paracetamol and caffeine in synthetic urine and wastewater samples by a using core shell hybrid material consisting of graphene oxide/multiwalled carbon nanotube/Fe3O4/SiO2. Microchem J 2019. [DOI: 10.1016/j.microc.2018.11.056] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Azab SM, Shehata M, Fekry AM. A novel electrochemical analysis of the legal psychoactive drug caffeine using a zeolite/MWCNT modified carbon paste sensor. NEW J CHEM 2019. [DOI: 10.1039/c9nj04070f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Caffeine (Caf) is a natural central nervous system stimulant categorized by the US Food and Drug Administration as a safe drug and its maximal amount in soft drinks has been approximately determined to be lower than 200 mg L−1.
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Affiliation(s)
- Shereen M. Azab
- Pharmaceutical Chemistry Dept
- National Organization for Drug Control and Research [NODCAR]
- 6 Abu Hazem Street
- Pyramids Ave, 29
- Giza
| | - M. Shehata
- Chemistry Department
- Faculty of Science
- Cairo University
- Giza 12613
- Egypt
| | - Amany M. Fekry
- Chemistry Department
- Faculty of Science
- Cairo University
- Giza 12613
- Egypt
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26
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Platinum nanoparticles–decorated graphene-modified glassy carbon electrode toward the electrochemical determination of ascorbic acid, dopamine, and paracetamol. CR CHIM 2019. [DOI: 10.1016/j.crci.2018.09.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Pyka-Pająk A, Dołowy M, Parys W, Bober K, Janikowska G. A Simple and Cost-Effective TLC-Densitometric Method for the Quantitative Determination of Acetylsalicylic Acid and Ascorbic Acid in Combined Effervescent Tablets. Molecules 2018; 23:E3115. [PMID: 30487409 PMCID: PMC6320878 DOI: 10.3390/molecules23123115] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 11/23/2018] [Accepted: 11/24/2018] [Indexed: 11/18/2022] Open
Abstract
A new, simple, and cost-effective TLC-densitometric method has been established for the simultaneous quantitative determination of acetylsalicylic acid and ascorbic acid in combined effervescent tablets. Separation was performed on aluminum silica gel 60F254 plates using chloroform-ethanol-glacial acid at a volume ratio of 5:4:0.03 as the mobile phase. UV densitometry was performed in absorbance mode at 200 nm and 268 nm for acetylsalicylic acid and ascorbic acid, respectively. The presented method was validated as per ICH guidelines by specificity, linearity, accuracy, precision, limit of detection, limit of quantification, and robustness. Method validations indicate a good sensitivity with a low value of LOD and LOQ of both examined active substances. The linearity range was found to be 1.50⁻9.00 μg/spot and 1.50⁻13.50 μg/spot for acetylsalicylic and ascorbic acid, respectively. A coefficient of variation that was less than 3% confirms the satisfactory accuracy and precision of the proposed method. The results of the assay of combined tablet formulation equal 97.1% and 101.6% in relation to the label claim that acetylsalicylic acid and ascorbic acid fulfill pharmacopoeial requirements. The developed TLC-densitometric method can be suitable for the routine simultaneous analysis of acetylsalicylic acid and ascorbic acid in combined pharmaceutical formulations. The proposed TLC-densitometry may be an alternative method to the modern high-performance liquid chromatography in the quality control of above-mentioned substances, and it can be applied when HPLC or GC is not affordable in the laboratory.
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Affiliation(s)
- Alina Pyka-Pająk
- Department of Analytical Chemistry, School of Pharmacy with Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Małgorzata Dołowy
- Department of Analytical Chemistry, School of Pharmacy with Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Wioletta Parys
- Department of Analytical Chemistry, School of Pharmacy with Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Katarzyna Bober
- Department of Analytical Chemistry, School of Pharmacy with Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Grażyna Janikowska
- Department of Analytical Chemistry, School of Pharmacy with Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland.
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28
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Salih ME, Aqel A, Abdulkhair BY, Alothman ZA, Abdulaziz MA, Badjah-Hadj-Ahmed AY. Simultaneous Determination of Paracetamol and Chlorzoxazone in Their Combined Pharmaceutical Formulations by Reversed-phase Capillary Liquid Chromatography Using a Polymethacrylate Monolithic Column. J Chromatogr Sci 2018; 56:819-827. [DOI: 10.1093/chromsci/bmy058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 05/23/2018] [Indexed: 11/14/2022]
Affiliation(s)
- Mutaz E Salih
- Chemistry Department, College of Science, Sudan University for Science and Technology, Khartoum, Sudan
- Department of Chemistry-Hurrymilla, College of Science and Humanities, Shaqra University, Shaqra, Saudi Arabia
| | - Ahmad Aqel
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Babiker Y Abdulkhair
- Department of Chemistry, College of Science, Al-Imam Muhammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Zeid A Alothman
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohamad A Abdulaziz
- Chemistry Department, College of Science, Sudan University for Science and Technology, Khartoum, Sudan
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29
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Park JH, Kim YW, Jeong YS, Suh HJ, Chun HS, Lee GY, Lim HS, Lee C. An Improved Analytical Method for the Determination of Brown FK in Food using HPLC. J Chromatogr Sci 2018; 56:409-415. [PMID: 29562249 DOI: 10.1093/chromsci/bmy013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 07/24/2017] [Accepted: 02/13/2018] [Indexed: 11/15/2022]
Abstract
In this study, an improved analytical method for the detection of the colorant Brown FK in foods using high-performance liquid chromatography was developed. The method, which employed an RC-C18 column and diode array detection at 254 nm with sodium acetate solution and methanol as mobile phases, exhibited good linearity (R2 = 1.0), and its limits of detection and quantification were determined to be 0.06 and 0.19 μg/mL, respectively. The precision was found to be 0-1.2% and the accuracy was between 86.5% and 94.8%. Liquid chromatography-tandem mass spectrometry was also performed to identify Brown FK in peaks. The pretreatment method was optimized for three different food sample groups, i.e., seafood, noodles and other, affording recoveries of 86.5-92.8%, 90.8-94.8% and 90.0-92.3%, respectively. In addition, inter-laboratory testing was also conducted to check the precision.
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Affiliation(s)
- Ju-Hee Park
- Advanced Food Safety Research group, BrainKorea21 Plus, Chung-Ang University, Anseong, Gyeonggi-do 17546, Republic of Korea
| | - Young-Woo Kim
- Advanced Food Safety Research group, BrainKorea21 Plus, Chung-Ang University, Anseong, Gyeonggi-do 17546, Republic of Korea
| | - Yeon-Seong Jeong
- Advanced Food Safety Research group, BrainKorea21 Plus, Chung-Ang University, Anseong, Gyeonggi-do 17546, Republic of Korea
| | - Hee-Jae Suh
- SunMoon University, Asan, Chungchengnam-do 31460, Republic of Korea
| | - Hyang-Sook Chun
- Advanced Food Safety Research group, BrainKorea21 Plus, Chung-Ang University, Anseong, Gyeonggi-do 17546, Republic of Korea
| | - Gun-Young Lee
- Food Additives and Packaging Division, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do 28159, Republic of Korea
| | - Ho-Soo Lim
- Food Additives and Packaging Division, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do 28159, Republic of Korea
| | - Chan Lee
- Advanced Food Safety Research group, BrainKorea21 Plus, Chung-Ang University, Anseong, Gyeonggi-do 17546, Republic of Korea
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30
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Limsuwan T, Boonme P, Amnuaikit T. The Optimized HPLC Method for Quantitative Analysis of Phenylethyl Resorcinol Loaded in the Novel Vesicle Carriers and Permeated in In Vitro Skin Permeation Study. J Chromatogr Sci 2018; 55:992-999. [PMID: 28977352 DOI: 10.1093/chromsci/bmx063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Indexed: 11/13/2022]
Abstract
The high performance liquid chromatography (HPLC) was used for quantitative determination of phenylethyl resorcinol (PR) which was loaded in the novel vesicle carriers including ethosome, invasome and transfersome formulations, and permeated into pig skin membrane and receptor fluid for skin permeation study. The reverse-phase chromatography was carried out with a C18 column (150 × 4.6 mm2, 5 μm, HypersilTM, Thermo Fisher Scientific Inc, USA) with the column temperature at 25°C. A mixture of acetonitrile-methanol-Milli-Q water in the ratio of 40:20:40%, v/v/v was used as a mobile phase by maintaining the flow rate at 0.8 mL/min. The 20 μL sample solution was injected and the absorbance was detected at 254 nm using an HPLC Agilent 1100 series. This method gave the chromatogram with symmetric peak of PR at the appropriate retention time of 4.620 min. At such retention time no interfering peaks were detected from other matrix components. All %recovery and %RSD values of PR analysis were in the range of 98-102% and not more than 2.0%, respectively. From the validation data, the method demonstrated that it had satisfactory specificity, sensitivity, linearity, accuracy and precision appropriate for analysis of PR in the presence of vesicle carriers and skin permeation study.
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Affiliation(s)
- Tunyaluk Limsuwan
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90112, Thailand
| | - Prapaporn Boonme
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90112, Thailand.,Nanotec-PSU Center of Excellence on Drug Delivery System, Songkhla 90112, Thailand
| | - Thanaporn Amnuaikit
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90112, Thailand
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Machado Alencar L, Backes dos Santos R, de Jesus Guedes T, Torres Pio dos Santos W, Batista Gomes de Souza J, Souza Ferreira V, Amorim Bezerra da Silva R. Fast and Selective Simultaneous Determination of Acetaminophen, Aspirin and Caffeine in Pharmaceutical Products by Batch Injection Analysis with Multiple Pulse Amperometric Detection. ELECTROANAL 2017. [DOI: 10.1002/elan.201700721] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Letícia Machado Alencar
- Faculdade de Ciências Exatas e Tecnologias; Universidade Federal da Grande Dourados; 79.804-970 Dourados, MS Brazil
| | - Rafael Backes dos Santos
- Faculdade de Ciências Exatas e Tecnologias; Universidade Federal da Grande Dourados; 79.804-970 Dourados, MS Brazil
| | - Tiago de Jesus Guedes
- Departamento de Química; Universidade Federal dos Vales do Jequitinhonha e Mucuri; 39100-000 Diamantina, MG Brazil
| | - Wallans Torres Pio dos Santos
- Departamento de Química; Universidade Federal dos Vales do Jequitinhonha e Mucuri; 39100-000 Diamantina, MG Brazil
- Departamento de Farmácia; Universidade Federal dos Vales do Jequitinhonha e Mucuri; 39100-000 Diamantina, MG Brazil
| | | | - Valdir Souza Ferreira
- Instituto de Química; Universidade Federal de Mato Grosso do Sul; 79074-460 Campo Grande, MS Brazil
| | - Rodrigo Amorim Bezerra da Silva
- Faculdade de Ciências Exatas e Tecnologias; Universidade Federal da Grande Dourados; 79.804-970 Dourados, MS Brazil
- Instituto de Química; Universidade Federal de Uberlândia; 38500-000 Monte Carmelo, MG Brazil
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32
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Petroni JM, Lucca BG, da Silva Júnior LC, Barbosa Alves DC, Souza Ferreira V. Paper-based Electrochemical Devices Coupled to External Graphene-Cu Nanoparticles Modified Solid Electrode through Meniscus Configuration and their Use in Biological Analysis. ELECTROANAL 2017. [DOI: 10.1002/elan.201700398] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Bruno Gabriel Lucca
- Departamento de Ciências Naturais; Universidade Federal do Espírito Santo; São Mateus, ES 29932-540 Brazil
| | | | | | - Valdir Souza Ferreira
- Instituto de Química; Universidade Federal de Mato Grosso do Sul; Campo Grande, MS 79074-460 Brazil
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33
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Ali HS, Abdullah AA, Pınar PT, Yardım Y, Şentürk Z. Simultaneous voltammetric determination of vanillin and caffeine in food products using an anodically pretreated boron-doped diamond electrode: Its comparison with HPLC-DAD. Talanta 2017; 170:384-391. [DOI: 10.1016/j.talanta.2017.04.037] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/12/2017] [Accepted: 04/15/2017] [Indexed: 11/29/2022]
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34
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Elkady EF, Tammam MH, El Maaty AA. A comparative study of HPLC-UV and UPLC-DAD methods for simultaneous estimation of aspirin and cilostazol in the presence of their related impurities in bulk and capsules. J LIQ CHROMATOGR R T 2017. [DOI: 10.1080/10826076.2017.1296461] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Ehab Farouk Elkady
- Department Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Marwa Hosny Tammam
- Bioavailability Center Lab, National Organization for Drug Control and Research, Giza, Egypt
| | - Ayman Abo El Maaty
- Miscellaneous Pharmaceutical Preparations Lab, National Organization for Drug Control and Research, Giza, Egypt
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35
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Sharma SK, Woldetsadik AD, Blanton T, O'Connor MJ, Magzoub M, Jagannathan R. Production of nanostructured molecular liquids by supercritical CO2 processing. OPENNANO 2017. [DOI: 10.1016/j.onano.2016.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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36
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In vitro anti-inflammatory efficacies of liposomal suspensions of acetylsalicylic acid. BIOTECHNOL BIOPROC E 2016. [DOI: 10.1007/s12257-016-0407-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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37
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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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38
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Curran C. Degradation of paracetamol and other constituents in Perfalgan®. SOUTHERN AFRICAN JOURNAL OF ANAESTHESIA AND ANALGESIA 2016. [DOI: 10.1080/22201181.2016.1191227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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39
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Kaykhaii M, Ghasemi E. Micro-cloud point extraction for preconcentration of Aspirin in commercial tablets prior to spectrophotometric determination. JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1134/s1061934816080074] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Topkafa M, Ayyildiz HF, Memon FN, Kara H. New potential humic acid stationary phase toward drug components: Development of a chemometric-assisted RP-HPLC method for the determination of paracetamol and caffeine in tablet formulations. J Sep Sci 2016; 39:2451-8. [DOI: 10.1002/jssc.201600045] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 03/24/2016] [Accepted: 04/20/2016] [Indexed: 01/03/2023]
Affiliation(s)
- Mustafa Topkafa
- Department of Chemistry, Faculty of Science; Selcuk University; Konya Turkey
| | | | - Fakhar N. Memon
- Department of Chemistry, Faculty of Science; Selcuk University; Konya Turkey
| | - Huseyin Kara
- Department of Chemistry, Faculty of Science; Selcuk University; Konya Turkey
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41
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Acheampong A, Gyasi WO, Darko G, Apau J, Addai-Arhin S. Validated RP-HPLC method for simultaneous determination and quantification of chlorpheniramine maleate, paracetamol and caffeine in tablet formulation. SPRINGERPLUS 2016; 5:625. [PMID: 27330891 PMCID: PMC4870525 DOI: 10.1186/s40064-016-2241-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Accepted: 04/27/2016] [Indexed: 11/23/2022]
Abstract
Chlorpheniramine maleate–paracetamol–caffeine tablet formulation is one of the common over-the-counter drugs used for the treatment of cold and cough. A reversed-phase high-performance liquid-chromatography method has been successfully developed for the simultaneous determination of chlorpheniramine maleate, paracetamol and caffeine in a drug formulation. The RP-HPLC method employed a Phenomenex C18 reversed phase column (Luna 5µ, 250 × 4.6 mm) with an isocratic mixture of methanol and 0.05 M dibasic phosphate buffer pH 4.0 in the ratio of (30:70; v/v) as the mobile phase. The column temperature was kept at 30 °C. The flow rate was 1.0 mL/min and detection was by means of a UV detector at wavelength of 215 nm. All the active components were successfully eluted with mean retention times of 2.4, 4.2, 7.2 min for chlorpheniramine maleate, paracetamol and caffeine respectively. The method was found to be linear (R2 > 0.99), precise (RSD < 2.0 %), accurate (recoveries 97.9–102.8 %), specific, simple, sensitive, rapid and robust. The validated method can be used in routine quality control analysis of fixed dose combination tablets containing chlorpheniramine maleate, paracetamol and caffeine without any interference by excipients.
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Affiliation(s)
- Akwasi Acheampong
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Wilfred Owusu Gyasi
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Godfred Darko
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Joseph Apau
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Sylvester Addai-Arhin
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana ; Department of Pharmaceutical Science, Faculty of Medicine and Health Science, Kumasi Polytechnic, Kumasi, Ghana
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42
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Ali NW, Abdelwahab NS, Abdelkawy M, Emam AA. A comparative study of ICH validated novel spectrophotometric techniques for resolving completely overlapping spectra of quaternary mixtures. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 154:114-122. [PMID: 26519919 DOI: 10.1016/j.saa.2015.10.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/16/2015] [Accepted: 10/22/2015] [Indexed: 06/05/2023]
Abstract
A pharmaceutically marketed mixture of Yohimbine, Alpha-tocopheryl acetate, Niacin, and Caffeine co-formulated as a promising therapy for erectile dysfunction. Simultaneous determination of the aforementioned pharmaceutical formulation without prior separation steps was applied using mean centering of ratio spectra and triple divisor spectrophotometric methods. Mean centering of ratio spectra method depended on using the mean centered ratio spectra in three successive steps which eliminated the derivative steps and so the signal to noise ratio was improved. The absorption spectra of the prepared solutions were measured in the wavelength range of 215-300 nm in the concentration ranges of 1-15, 3-15, 1-20, and 3-15 μg mL(-1) for Yohimbine, Alpha-tocopheryl acetate, Niacin, and Caffeine, respectively. The amplitudes of the mean centered third ratio spectra were measured at 250 nm and 268 nm for Yohimbine and Alpha-tocopheryl acetate, respectively and at peak to peak 272-273 and 262-263 nm for Niacin and Caffeine, respectively. In triple divisor method each drug in the quaternary mixture was determined by dividing the spectrum of the quaternary mixture by a standard spectrum of a mixture containing equal concentrations of the other three drugs. First derivative of these ratio spectra was obtained where determination could be achieved without any interference from the other three drugs. Amplitudes of 1-15, 3-15, 1-15, and 3-15 μg mL(-1) were used for selective determination of Yohimbine, Alpha-tocopheryl acetate, Niacin, and Caffeine, respectively. Laboratory prepared mixtures were analyzed by the developed novel methods to investigate their selectivity also, Super Act® capsules were successfully analyzed to ensure absence of interference from additives. The developed methods were validated according to the ICH guidelines. The proposed methods were statistically compared with each other and with the reported methods; using student t-test, F-test, and one way ANOVA, where no significant difference was found with respect to accuracy and precision.
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Affiliation(s)
- Nouruddin W Ali
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Al shaheed Shehata Ahmed Hegazy st., 62514 Beni-Suef, Egypt.
| | - Nada S Abdelwahab
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Al shaheed Shehata Ahmed Hegazy st., 62514 Beni-Suef, Egypt
| | - M Abdelkawy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini st., 11562 Cairo, Egypt
| | - Aml A Emam
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Al shaheed Shehata Ahmed Hegazy st., 62514 Beni-Suef, Egypt
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43
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Quantitative Analysis of Active Pharmaceutical Ingredients (APIs) Using a Potentiometric Electronic Tongue in a SIA Flow System. ELECTROANAL 2015. [DOI: 10.1002/elan.201500407] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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44
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Kruanetr S, Prabhu R, Pollard P, Fernandez C. Pharmaceutical electrochemistry: The electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms. SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY 2015. [DOI: 10.3103/s1068375515030114] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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45
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Dewani A, Dabhade S, Bakal R, Gadewar C, Chandewar A, Patra S. Development and validation of a novel RP-HPLC method for simultaneous determination of paracetamol, phenylephrine hydrochloride, caffeine, cetirizine and nimesulide in tablet formulation. ARAB J CHEM 2015. [DOI: 10.1016/j.arabjc.2013.09.040] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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46
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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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47
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Mylrea M, Robertson S, Haywood A, Glass B. Stability of Dispersible Aspirin Tablets Repacked into Dosette Boxes. JOURNAL OF PHARMACY PRACTICE AND RESEARCH 2015. [DOI: 10.1002/j.2055-2335.2012.tb00171.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | - Alison Haywood
- School of Pharmacy, Griffith Health Institute; Griffith University
| | - Beverley Glass
- School of Pharmacy and Molecular Sciences; James Cook University; Townsville Queensland
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48
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Sallum LF, Soares FLF, Ardila JA, Carneiro RL. Determination of acetylsalicylic acid in commercial tablets by SERS using silver nanoparticle-coated filter paper. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 133:107-11. [PMID: 24929322 DOI: 10.1016/j.saa.2014.04.198] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 04/28/2014] [Accepted: 04/30/2014] [Indexed: 05/04/2023]
Abstract
In this work, filter paper was used as a low cost substrate for silver nanoparticles in order to perform the detection and quantification of acetylsalicylic acid by SERS in a commercial tablet. The reaction conditions were 150mM of ammonium hydroxide, 50mM of silver nitrate, 500mM of glucose, 12min of the reaction time, 45°C temperature, pretreatment with ammonium hydroxide and quantitative filter paper (1-2μm). The average size of silver nanoparticles deposited on the paper substrate was 180nm. Adsorption time of acetylsalicylic acid on the surface of the silver-coated filter paper was studied and an adsorption time of 80min was used to build the analytical curve. It was possible to obtain a calibration curve with good precision with a coefficient of determination of 0.933. The method proposed in this work was capable to quantify acetylsalicylic acid in commercial tablets, at low concentration levels, with relative error of 2.06% compared to the HPLC. The preparation of filter paper coated with silver nanoparticles using Tollen's reagent presents several advantages such as low cost of synthesis, support and reagents; minimum amount of residuals, which are easily treated, despite the SERS spectroscopy presenting fast analysis, with low sample preparation and low amount of reactants as in HPLC analysis.
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Affiliation(s)
- Loriz Francisco Sallum
- Departamento de Química, Universidade Federal de São Carlos, C.P. 676, 13560-970 São Carlos, SP, Brazil
| | | | - Jorge Armando Ardila
- Departamento de Química, Universidade Federal de São Carlos, C.P. 676, 13560-970 São Carlos, SP, Brazil
| | - Renato Lajarim Carneiro
- Departamento de Química, Universidade Federal de São Carlos, C.P. 676, 13560-970 São Carlos, SP, Brazil.
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49
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RP-HPLC-DAD method for the determination of phenylepherine, paracetamol, caffeine and chlorpheniramine in bulk and marketed formulation. ARAB J CHEM 2014. [DOI: 10.1016/j.arabjc.2012.07.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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50
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Microextraction by packed sorbent and high performance liquid chromatography determination of seven non-steroidal anti-inflammatory drugs in human plasma and urine. J Chromatogr A 2014; 1367:1-8. [DOI: 10.1016/j.chroma.2014.09.034] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 09/11/2014] [Accepted: 09/14/2014] [Indexed: 12/28/2022]
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