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Ďuriš M, Hradski J, Szucs R, Masár M. Microchip isotachophoresis for green and sustainable pharmaceutical quality control: Method validation and application to complex pharmaceutical formulations. J Chromatogr A 2024; 1729:465055. [PMID: 38852265 DOI: 10.1016/j.chroma.2024.465055] [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: 05/08/2024] [Revised: 05/29/2024] [Accepted: 06/04/2024] [Indexed: 06/11/2024]
Abstract
Universal microchip isotachophoresis (μITP) methods were developed for the determination of cationic and anionic macrocomponents (active pharmaceutical ingredients and counterions) in cardiovascular drugs marketed in salt form, amlodipine besylate and perindopril erbumine. The developed methods are characterized by low reagent and sample consumption, waste production and energy consumption, require only minimal sample preparation and provide fast analysis. The greenness of the proposed methods was assessed using AGREE. An internal standard addition was used to improve the quantitative parameters of μITP. The proposed methods were validated according to the ICH guideline. Linearity, precision, accuracy and specificity were evaluated for each of the studied analytes and all set validation criteria were met. Good linearity was observed in the presence of matrix and in the absence of matrix, with a correlation coefficient of at least 0.9993. The developed methods allowed precise and accurate determination of the studied analytes, the RSD of the quantitative and qualitative parameters were less than 1.5% and the recoveries ranged from 98 to 102%. The developed μITP methods were successfully applied to the determination of cationic and anionic macrocomponents in six commercially available pharmaceutical formulations.
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Affiliation(s)
- Marta Ďuriš
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovičova 6, Bratislava SK-84215, Slovakia
| | - Jasna Hradski
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovičova 6, Bratislava SK-84215, Slovakia.
| | - Roman Szucs
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovičova 6, Bratislava SK-84215, Slovakia
| | - Marián Masár
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovičova 6, Bratislava SK-84215, Slovakia
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Keivani N, Piccolo V, Marzocchi A, Maisto M, Tenore GC, Summa V. Optimization and Validation of Procyanidins Extraction and Phytochemical Profiling of Seven Herbal Matrices of Nutraceutical Interest. Antioxidants (Basel) 2024; 13:586. [PMID: 38790691 PMCID: PMC11117784 DOI: 10.3390/antiox13050586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 04/28/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Several medicinal herbal plants are extensively used as sources of bioactive compounds with beneficial effects on human health. This study assessed the procyanidin and polyphenol profiles together with the antioxidant potential of seven herbal medical matrices. To achieve this aim, procyanidin extraction from grape pomace was optimized and validated by monitoring monomeric-trimeric procyanidins. The proposed quantification method was applied to the seven medical herbs, and it proved to be a very efficient protocol for procyanidin-rich extracts analysis. In addition, the Paullinia cupana Kunth. seed was identified as a very rich source of procyanidins (about 5 mg/g dry matrix of each dimeric and about 3 mg/g dry matrix trimeric) with high antioxidant properties. The polyphenolic profile was assessed by HPLC-HESI-MS/MS analysis. The in vitro antioxidant activity was evaluated by DPPH assay to explore the antioxidant properties of the extracts, which were substantially higher in Peumus boldus Molina leaves extracts (935.23 ± 169 μmol of Trolox equivalent/g of dry weight) concerning the other matrices. Moreover, a high Pearson coefficient value was observed between the total flavonoid content (TFC) and DPPH in comparison with the total polyphenol content (TPC) and DPPH, indicating flavonoids as the principal bioactive with antioxidant activity in the extracts.
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Affiliation(s)
| | | | | | | | | | - Vincenzo Summa
- Department of Pharmacy, School of Medicine and Surgery, University of Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy; (N.K.); (V.P.); (A.M.); (M.M.); (G.C.T.)
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3
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Lee HJ, Jeon M, Seo Y, Kang I, Jeong W, Son J, Yi EC, Min H. Application of Skyline software for detecting prohibited substances in doping control analysis. PLoS One 2023; 18:e0295065. [PMID: 38051722 DOI: 10.1371/journal.pone.0295065] [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: 03/01/2023] [Accepted: 11/14/2023] [Indexed: 12/07/2023] Open
Abstract
As the number of prohibited drugs has been progressively increasing and analytical methods for detecting such substances are renewed continuously for doping control, the need for more sensitive and accurate doping analysis has increased. To address the urgent need for high throughput and accurate analysis, liquid chromatography with tandem mass spectrometry is actively utilized in case of most of the newly designated prohibited substances. However, because all mass spectrometer vendors provide data processing software that is incapable of handling other instrumental data, it is difficult to cover all doping analysis procedures, from method development to result reporting, on one platform. Skyline is an open-source and vendor-neutral software program invented for the method development and data processing of targeted proteomics. Recently, the utilization of Skyline has been expanding for the quantitative analysis of small molecules and lipids. Herein, we demonstrated Skyline as a simple platform for unifying overall doping control, including the optimization of analytical methods, monitoring of data quality, discovery of suspected doping samples, and validation of analytical methods for detecting newly prohibited substances. For method optimization, we selected the optimal collision energies for 339 prohibited substances. Notably, 195 substances exhibited a signal intensity increase of >110% compared with the signal intensity of the original collision energy. All data related to method validation and quantitative analysis were efficiently visualized, extracted, or calculated using Skyline. Moreover, a comparison of the time consumed and the number of suspicious samples screened in the initial test procedure highlighted the advantages of using Skyline over the commercially available software TraceFinder in doping control.
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Affiliation(s)
- Hyeon-Jeong Lee
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Yeongeon-dong, Jongno-gu, Seoul, Republic of Korea
| | - Mijin Jeon
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
| | - Yoondam Seo
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
| | - Inseon Kang
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
| | - Wooyeon Jeong
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
| | - Junghyun Son
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
| | - Eugene C Yi
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Yeongeon-dong, Jongno-gu, Seoul, Republic of Korea
| | - Hophil Min
- Doping Control Center, Korea Institute of Science and Technology, Seongbuk-gu, Seoul, Republic of Korea
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Amarante T, Cunha THR, Laudares C, Barboza APM, dos Santos AC, Pereira CL, Ornelas V, Neves BRA, Ferlauto AS, Lacerda RG. Carbon nanotube-cellulose ink for rapid solvent identification. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:535-543. [PMID: 37152475 PMCID: PMC10155625 DOI: 10.3762/bjnano.14.44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 03/21/2023] [Indexed: 05/09/2023]
Abstract
In this work, a conductive ink based on microfibrillated cellulose (MFC) and multiwalled carbon nanotubes (MWCNTs) was used to produce transducers for rapid liquid identification. The transducers are simple resistive devices that can be easily fabricated by scalable printing techniques. We monitored the electrical response due to the interaction between a given liquid with the carbon nanotube-cellulose film over time. Using principal component analysis of the electrical response, we were able to extract robust data to differentiate between the liquids. We show that the proposed liquid sensor can classify different liquids, including organic solvents (acetone, chloroform, and different alcohols) and is also able to differentiate low concentrations of glycerin in water (10-100 ppm). We have also investigated the influence of two important properties of the liquids, namely dielectric constant and vapor pressure, on the transduction of the MFC-MWCNT sensors. These results were corroborated by independent heat flow measurements (thermogravimetric analysis). The proposed MFC-MWCNT sensor platform may help paving the way to rapid, inexpensive, and robust liquid analysis and identification.
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Affiliation(s)
- Tiago Amarante
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Thiago H R Cunha
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Claudio Laudares
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Ana P M Barboza
- Departamento de Física, Universidade Federal de Ouro Preto, Ouro Preto - CEP 35400-000, Brazil
| | - Ana Carolina dos Santos
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Cíntia L Pereira
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Vinicius Ornelas
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - Bernardo R A Neves
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
| | - André S Ferlauto
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas, Universidade Federal do ABC, Santo André - CEP 09210-580, Brazil
| | - Rodrigo G Lacerda
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
- CTNano-UFMG - Centro de Nanotecnologia em Nanomateriais e Grafeno, Universidade Federal de Minas Gerais, Belo Horizonte - CEP 31270-901, Brazil
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Zhou X, Razmovski-Naumovski V, Mendoza R, Truong J, Chan K. A comparative study of Salvia miltiorrhiza Radix & Rhizoma raw material and granule products using chromatographic analysis and antioxidant activity. JOURNAL OF TRADITIONAL CHINESE MEDICAL SCIENCES 2022. [DOI: 10.1016/j.jtcms.2022.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Jambo H, Dispas A, Hubert C, Lecomte F, Ziemons É, Hubert P. Generic SFC-MS methodology for the quality control of vitamin D 3 oily formulations. J Pharm Biomed Anal 2021; 209:114492. [PMID: 34864591 DOI: 10.1016/j.jpba.2021.114492] [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: 06/02/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 11/18/2022]
Abstract
Vitamin D3 is a key micronutrient whose intakes are inadequate for most populations worldwide. Supplementation with medicines or food supplements is commonly prescribed to correct this imbalance and the quality of these products must be ensured. In this context, a generic methodology for the assay of vitamin D3 in oily formulations is proposed using supercritical fluid chromatography coupled to mass spectrometry (SFC-MS). It is in line with green analytical chemistry principles and combines the use of i) a fast and robust analytical method (4.0 min analysis time) ii) an easy sample preparation compatible with high throughput analysis ("dilute-and-shoot" approach) and iii) a relevant control strategy. Seventeen products from multiple manufacturers and encompassing a large content range were evaluated in this study. They were classified in four groups to streamline their processing considering the use of a matrix-matched calibration procedure. Matrix effect was thoroughly studied and was found to be low (99-106%), stable intra/inter-series and comparable between the different groups and types of matrices. The implemented control strategy was based on a three-level system suitability tests (SST). Level 1 SST: resolution of the critical pair that was above 1.5 for all analysis series. Level 2 SST: evaluation of the adequacy of the calibration for a QC sample in terms of recovery that was between 97% and 104% with a variability between 1% and 2%. Level 3 SST: method trueness that was between 95% and 102%. Sample analysis highlighted differences in types of products and dosage forms. This is the first study to propose a complete strategy for the quality control of vitamin D3 oily formulations and should prove useful in QC laboratories.
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Affiliation(s)
- Hugues Jambo
- University of Liège (ULiège), CIRM, Laboratory of Pharmaceutical Analytical Chemistry, Liège, Belgium.
| | - Amandine Dispas
- University of Liège (ULiège), CIRM, Laboratory of Pharmaceutical Analytical Chemistry, Liège, Belgium; University of Liège (ULiège), CIRM, Laboratory for the Analysis of Medicines, Liège, Belgium
| | - Cédric Hubert
- University of Liège (ULiège), CIRM, Laboratory of Pharmaceutical Analytical Chemistry, Liège, Belgium
| | - Frédéric Lecomte
- University of Liège (ULiège), CIRM, Department of Pharmaceutical Sciences, Liège, Belgium
| | - Éric Ziemons
- University of Liège (ULiège), CIRM, Laboratory of Pharmaceutical Analytical Chemistry, Liège, Belgium
| | - Philippe Hubert
- University of Liège (ULiège), CIRM, Laboratory of Pharmaceutical Analytical Chemistry, Liège, Belgium
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A New X-bar Control Chart for Multiple Dependent State Sampling Using Neutrosophic Exponentially Weighted Moving Average Statistics with Application to Monitoring Road Accidents and Road Injuries. INT J COMPUT INT SYS 2021. [DOI: 10.1007/s44196-021-00033-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
AbstractIn this article, an efficient mean chart for symmetric data have been presented for multiple dependent state (MDS) sampling using neutrosophic exponentially weighted moving average (NEWMA) statistics. The existing neutrosophic exponentially weighted moving average charts are not capable of seizure the unusual changes threatened to the manufacturing processes. The control chart coefficients have been estimated using the symmetry property of the Gaussian distribution for the uncertain environment. The neutrosophic Monte Carlo simulation methodology has been developed to check the efficiency and performance of the proposed chart by calculating the neutrosophic average run lengths and neutrosophic standard deviations. The proposed chart has been compared with the counterpart charts for confirmation of the proposed technique and found to be a robust chart.
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Russo G, Vallaro M, Cappelli L, Anderson S, Ermondi G, Caron G. Characterization of the new Celeris TM Arginine column: Retentive behaviour through a combination of chemometric tools and potential in drug analysis. J Chromatogr A 2021; 1651:462316. [PMID: 34139386 DOI: 10.1016/j.chroma.2021.462316] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/24/2022]
Abstract
CelerisTM Arginine (ARG) is a mixed-mode stationary phase recently released on the market. To characterize its analytical behavior, the retention factors of a pool (n=100, of which 36 neutrals, 26 acids and 38 bases) of pharmaceutically relevant compounds have been measured on this phase over eight percentages (from 10 to 90% v/v) of acetonitrile (MeCN) as organic modifier. The ARG phase exhibited enhanced affinity for the molecules that are in their anionic form at the experimental pH, whilst basic compounds, albeit over a wide range of lipophilicity and pKa values, were on average poorly retained. To dissect the separation mechanism of the ARG phase, the overall analytical retention has been deconvoluted into the individual contributions of intermolecular forces by a QSPR/ Partial Least Square (PLS)/Block Relevance (BR) analysis tool recently developed by us. For the neutrals, the most relevant blocks were found to be Size, describing the interaction due to the dimension of the molecule, and O, representing the solute's hydrogen bond donor properties. The change in sign from positive to negative of the Size block, which occurs between 10% and 20% MeCN, allowed to visually appreciate the switch in the separation mode from reversed phase to normal phase. Some good statistic models for rationalizing the analytical behaviour of neutrals were developed from VS+ descriptors. However, their performance in modelling the analytical retention of acids was substandard, probably due to the intrinsic inefficacy of VS+ descriptors in handling electric charges. This instance was addressed by a complimentary MLR strategy, which led to successfully model the retention of acids on the ARG column and to shed light into their retention mechanism, which seemed to be substantially driven by electrostatics.
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Affiliation(s)
- Giacomo Russo
- School of Applied Sciences, Sighthill Campus, Edinburgh Napier University, 9 Sighthill Ct, EH11 4BN Edinburgh, United Kingdom
| | - Maura Vallaro
- CASSMedChem Research Group, Molecular Biotechnology and Health Sciences Department, University of Turin, Italy
| | - Luca Cappelli
- CASSMedChem Research Group, Molecular Biotechnology and Health Sciences Department, University of Turin, Italy
| | - Scott Anderson
- Regis Technologies Inc., 8210 Austin Ave, Morton Grove IL, 60053, USA
| | - Giuseppe Ermondi
- CASSMedChem Research Group, Molecular Biotechnology and Health Sciences Department, University of Turin, Italy
| | - Giulia Caron
- CASSMedChem Research Group, Molecular Biotechnology and Health Sciences Department, University of Turin, Italy.
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Dispas A, Emonts P, Fillet M. Microchip electrophoresis: A suitable analytical technique for pharmaceuticals quality control? A critical review. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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10
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Multi-Solvent Extraction Procedure for the Pioneer Fecal Metabolomic Analysis-Identification of Potential Biomarkers in Stable Kidney Transplant Patients. Diagnostics (Basel) 2021; 11:diagnostics11060962. [PMID: 34073647 PMCID: PMC8229050 DOI: 10.3390/diagnostics11060962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/13/2021] [Accepted: 05/22/2021] [Indexed: 11/21/2022] Open
Abstract
Metabolic alteration plays a functional role in kidney allograft complications. Metabolomics is a promising high-throughput approach in nephrology but is still limited by the lack of overlap in metabolite coverage. We performed an untargeted fecal metabolomic analysis of forty stable kidney allograft recipients and twenty non-transplant controls. First, we applied the ultra-high performance liquid chromatography (UHPLC) analysis coupled with the Diod Array detector. The potential biomarkers were then collected and identified by gas chromatography-mass spectrometry (GCMS). In order to allow for complete coverage of the fecal polar and non-polar metabolites, the performance of five organic solvents with increasing polarity was investigated successively. UHPLC analysis revealed that the fecal metabolite profiles following the five extractions were significantly different between controls and kidney allografts. GC-MS analysis showed that the best predictors’ metabolites belonged mainly to long-chain fatty acids, phenolic compounds, and amino acids. Collectively, our results showed the efficiency of our pioneer method to successfully discriminate stable kidney-transplant recipients from controls. These findings suggest that distinct metabolic profiles mainly affect fatty acid biosynthesis and amino acid metabolism. In such a context, the novel insights into metabolomic investigation may be a valuable tool that could provide useful new relevant biomarkers for preventing kidney transplant complications.
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Satyanarayana G, Du J, Asati A, Pandey AK, Kumar A, Sharma MT, Mudiam MKR. Estimation of measurement uncertainty for the quantitative analysis of pharmaceutical residues in river water using solid-phase extraction coupled with injector port silylation-gas chromatography-tandem mass spectrometry. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105560] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Microwave assisted high performance liquid chromatography for the separation of triacylglycerols in vegetable oils using an evaporative light scattering detector. Food Chem 2019; 300:125203. [DOI: 10.1016/j.foodchem.2019.125203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 06/27/2019] [Accepted: 07/16/2019] [Indexed: 11/20/2022]
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Affiliation(s)
- Aamir Saghir
- Department of Mathematics, Mirpur University of Science and Technology (MUST), Mirpur, Pakistan
| | - Liaquat Ahmad
- Department of Statistics and Computer Science, University of Veterinary & Animal Sciences, Lahore, Pakistan
| | - Muhammad Aslam
- Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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Effects of simulated digestion on the phenolic composition and antioxidant activity of different cultivars of lychee pericarp. BMC Chem 2019; 13:27. [PMID: 31384775 PMCID: PMC6661727 DOI: 10.1186/s13065-019-0544-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 02/23/2019] [Indexed: 12/16/2022] Open
Abstract
Background Lychee pericarp is rich in phenolic and has good antioxidant activity. The effects of simulated gastric (SGF) and intestinal fluid (SIF) digestion on the contents, composition, and antioxidant activities of the phenolic substances in the pericarp of different lychee cultivars (cv Jizui, Lizhiwang, Guiwei, Yuhe, Nuomici and Guihong) were investigated. Results Compared with distilled water (DW) treatment, the total phenolic content (TPC) and total flavonoid content (TFC) in the pericarp of different lychee cultivars decreased after SGF digestion; especially, the TFC in "Lizhiwang" decreased by 41.5%. The TPC and TFC of lychee pericarp also decreased after SIF digestion. However, the TPC in "Jizui", "Guiwei" and "Yuhe" increased. The SGF and SIF also had different effects on the FRAP and ABTS antioxidant activities of different lychee cultivars. The SGF digestion decreased the ABTS antioxidant capacity of lychee pericarp but enhanced the FRAP value of some lychee cultivars. However, the SIF digestion decreased the FRAP antioxidant activity of different lychee cultivar pericarps but enhanced the ABTS antioxidant capacity of lychee. The HPLC results showed that lychee pericarp had relatively high contents of procyanidin B2 and procyanidin A2. After SIF digestion, caffeic acid and isoquercitrin could not be detected in any of the lychee varieties. However, quercetin-3-rutinose-7-rhamnoside and isoquercitrin were increased after SGF digestion. Conclusions Lychee pericarp could be used as an inexpensive functional food ingredient.
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Mathurkar S, Singh P, Kongara K, Chambers P. Pharmacokinetics of Salicylic Acid Following Intravenous and Oral Administration of Sodium Salicylate in Sheep. Animals (Basel) 2018; 8:ani8070122. [PMID: 30021951 PMCID: PMC6071124 DOI: 10.3390/ani8070122] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/11/2018] [Accepted: 07/16/2018] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Scarcity of non-steroidal anti-inflammatory drugs (NSAID) to minimise the pain in sheep instigated the current study. The aim of this study was to know the pharmacokinetic parameters of salicylic acid in New Zealand sheep after administration of multiple intravenous and oral doses of sodium salicylate (sodium salt of salicylic acid). Results of the study suggest that the half-life of the drug was shorter and clearance was faster after intravenous administration as compared to that of the oral administration. The minimum effective concentration required to produce analgesia in humans (16.8 µL) was achieved in sheep for about 0.17 h in the current study after intravenous administration of 100 and 200 mg/kg body weight of sodium salicylate. However, oral administration of these doses failed to achieve the minimum effective concentration as mentioned above. This study is of significance as it adds valuable information on pharmacokinetics and its variation due to breed, species, age, gender and environmental conditions. As per the authors’ knowledge, this is the only study showing detailed information about absorption, distribution and elimination of salicylic acid in New Zealand Sheep. An intravenous administration of sodium salicylate at 100 and 200 mg/kg dose may produce analgesia in sheep, which requires further investigation using pharmacokinetic–pharmacodynamic (PKPD) integration or modelling techniques. Abstract The pharmacokinetics of salicylic acid (SA) in sheep was evaluated following intravenous (IV) and oral administration of sodium salicylate (sodium salt of salicylic acid) at different doses. Six healthy sheep were administered sodium salicylate (SS) IV at doses of 10, 50, 100 and 200 mg/kg body weight and another six sheep were drenched with 100 and 200 mg/kg of SS orally. Both studies were randomised crossover trials. A one-week washout period between each treatment was allowed in both studies. Blood samples were collected at 0, 15, 30 min and 1, 2, 4 and 6 h after IV and oral SS administrations. Plasma SA concentrations were determined using high-performance liquid chromatography (HPLC) with diode array detection method. Pharmacokinetic variables were calculated in a non-compartmental model. The elimination half-life (T1/2 el) of SA after IV administration of 200 mg/kg SS was 1.16 ± 0.32 h. Mean bioavailability of SA was 64%, and mean T1/2 el was 1.90 ± 0.35 h, after 200 mg/kg of oral SS. The minimum plasma SA concentration (16.8 µg/mL) reported to produce analgesia in humans was achieved after IV administration of 100 and 200 mg/kg SS in sheep for about 0.17 h in this study. Experiments on pharmacokinetic–pharmacodynamics modelling are required to determine the actual effective plasma concentration range of SA in sheep.
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Affiliation(s)
| | - Preet Singh
- School of Veterinary Sciences, College of Sciences, Massey University, Palmerston North 4474, New Zealand.
| | - Kavitha Kongara
- School of Veterinary Sciences, College of Sciences, Massey University, Palmerston North 4474, New Zealand.
| | - Paul Chambers
- School of Veterinary Sciences, College of Sciences, Massey University, Palmerston North 4474, New Zealand.
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Nouri N, Sereshti H, Farahani A. Graphene-coated magnetic-sheet solid-phase extraction followed by high-performance liquid chromatography with fluorescence detection for the determination of aflatoxins B1, B2, G1, and G2in soy-based samples. J Sep Sci 2018; 41:3258-3266. [DOI: 10.1002/jssc.201800471] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 06/15/2018] [Accepted: 06/18/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Nina Nouri
- School of Chemistry; College of Science; University of Tehran; Tehran Iran
| | - Hassan Sereshti
- School of Chemistry; College of Science; University of Tehran; Tehran Iran
| | - Ali Farahani
- School of Chemistry; College of Science; University of Tehran; Tehran Iran
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Zuas O, Budiman H, Hamim N. Measurement of SF6 using gc-ecd: a comparative study on the utilization of CO2-N2 mixture and CH4-ar mixture as a make-up gas. CHEMISTRY & CHEMICAL TECHNOLOGY 2017. [DOI: 10.23939/chcht11.04.420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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18
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Comparison of two microextraction methods based on solidification of floating organic droplet for the determination of multiclass analytes in river water samples by liquid chromatography tandem mass spectrometry using Central Composite Design. J Chromatogr A 2017; 1513:157-171. [DOI: 10.1016/j.chroma.2017.07.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 07/10/2017] [Accepted: 07/12/2017] [Indexed: 12/27/2022]
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19
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Asati A, Satyanarayana G, Panchal S, Thakur RS, Ansari NG, Patel DK. Ionic liquid based vortex assisted liquid–liquid microextraction combined with liquid chromatography mass spectrometry for the determination of bisphenols in thermal papers with the aid of response surface methodology. J Chromatogr A 2017. [DOI: 10.1016/j.chroma.2017.06.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Asati A, Satyanarayana GNV, Patel DK. Vortex-assisted surfactant-enhanced emulsification microextraction combined with LC–MS/MS for the determination of glucocorticoids in water with the aid of experimental design. Anal Bioanal Chem 2017; 409:2905-2918. [DOI: 10.1007/s00216-017-0236-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 12/15/2016] [Accepted: 01/30/2017] [Indexed: 11/24/2022]
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21
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Hazards in chromatographic bioanalysis method development and applications. Biomed Chromatogr 2016; 31. [DOI: 10.1002/bmc.3859] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 09/23/2016] [Accepted: 09/28/2016] [Indexed: 01/15/2023]
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22
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Riaza M, Abbasib SA. Nonparametric Double EWMA Control Chart for Process Monitoring. REVISTA COLOMBIANA DE ESTADÍSTICA 2016. [DOI: 10.15446/rce.v39n2.58914] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
<p>In monitoring process parameters, we assume normality of the quality characteristic of interest, which is an ideal assumption. In many practical sit- uations, we may not know the distributional behavior of the data, and hence, the need arises use nonparametric techniques. In this study, a nonparametric double EWMA control chart, namely the NPDEWMA chart, is proposed to ensure efficient monitoring of the location parameter. The performance of the proposed chart is evaluated in terms of different run length properties, such as average, standard deviation and percentiles. The proposed scheme is compared with its recent existing counterparts, namely the nonparametric EWMA and the nonparametric CUSUM schemes. The performance mea- sures used are the average run length (ARL), standard deviation of the run length (SDRL) and extra quadratic loss (EQL). We observed that the pro- posed chart outperforms the said existing schemes to detect shifts in the process mean level. We also provide an illustrative example for practical considerations.</p>
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23
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Chromatographic and mass spectrometric techniques in studies on oxidative stress in autism. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1019:4-14. [DOI: 10.1016/j.jchromb.2015.12.035] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 12/17/2015] [Accepted: 12/18/2015] [Indexed: 02/07/2023]
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24
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Jóźwik J, Kałużna-Czaplińska J. Current Applications of Chromatographic Methods in the Study of Human Body Fluids for Diagnosing Disorders. Crit Rev Anal Chem 2016; 46:1-14. [DOI: 10.1080/10408347.2014.929487] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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25
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Smith SL, Singh P, Harding D, Lun D, Chambers JP. Thalidomide pharmacokinetics in sheep. N Z Vet J 2016; 64:238-42. [PMID: 26727254 DOI: 10.1080/00480169.2015.1130663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
AIM To determine the half life (T1/2), time taken to reach maximum plasma concentration (Tmax) and maximum plasma concentration (Cmax) of thalidomide in sheep following I/V, oral and topical treatment with a single dose of thalidomide. METHOD Three groups of 4-6-month-old ram lambs were treated with thalidomide dissolved in dimethylsulphoxide (DMSO). The first group (n=10) was treated I/V with 100 mg thalidomide in 2 mL DMSO; the second group (n=8) received 400 mg thalidomide in 2 mL DMSO orally, and the third group (n=8) had 400 mg thalidomide in 4 mL DMSO applied topically. Plasma samples were collected up to 36 hours after treatment, snap-frozen at -80°C and analysed for concentrations of thalidomide using high performance liquid chromatography. RESULTS Following I/V administration, T1/2 was 5.0 (SEM 0.4) hours, volume of distribution was 3,372.0 (SEM 244.3) mL/kg and clearance was 487.1 (SEM 46.1) mL/hour.kg. Topical application of 400 mg thalidomide did not increase plasma concentrations. Following oral administration, thalidomide bioavailability was 89%, with T1/2, Tmax, and Cmax being 7.2 (SEM 0.8) hours, 3.0 (SEM 0.4) hours and 1,767.3 (SEM 178.1) ng/mL, respectively. CONCLUSION Topical administration using DMSO as a solvent did not increase concentrations of thalidomide in plasma. The mean pharmacokinetic parameters determined following oral treatment with 400 mg of thalidomide were similar to those reported in humans receiving a single 400 mg oral dose (T1/2 7.3 hours; Tmax 4.3 hours and Cmax 2,820 ng/mL). There is potential for thalidomide to be used as a model for the treatment of chronic inflammatory conditions in sheep, such as Johne's disease, where tumour necrosis factor alpha plays a pathogenic role.
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Affiliation(s)
- S L Smith
- a Institute of Veterinary, Animal and Biological Sciences , Massey University , Tennent Drive, Palmerston North 4443 , New Zealand
| | - P Singh
- a Institute of Veterinary, Animal and Biological Sciences , Massey University , Tennent Drive, Palmerston North 4443 , New Zealand
| | - D Harding
- b Institute of Fundamental Sciences , Massey University , Tennent Drive, Palmerston North 4474 , New Zealand
| | - D Lun
- b Institute of Fundamental Sciences , Massey University , Tennent Drive, Palmerston North 4474 , New Zealand
| | - J P Chambers
- a Institute of Veterinary, Animal and Biological Sciences , Massey University , Tennent Drive, Palmerston North 4443 , New Zealand
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Quantitative Analysis and Method Validation. ACTA ACUST UNITED AC 2015. [DOI: 10.1201/b18481-17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Donthuan J, Yunchalard S, Srijaranai S. Vortex-assisted surfactant-enhanced-emulsification liquid-liquid microextraction of biogenic amines in fermented foods before their simultaneous analysis by high-performance liquid chromatography. J Sep Sci 2014; 37:3164-73. [DOI: 10.1002/jssc.201400570] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 08/04/2014] [Accepted: 08/05/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Jaruwan Donthuan
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Materials Chemistry Research Center; Khon Kaen University; Khon Kaen Thailand
| | | | - Supalax Srijaranai
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Materials Chemistry Research Center; Khon Kaen University; Khon Kaen Thailand
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Ex situonline monitoring: application, challenges and opportunities for biopharmaceuticals processes. ACTA ACUST UNITED AC 2014. [DOI: 10.4155/pbp.14.22] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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Current applications of chromatographic methods for diagnosis and identification of potential biomarkers in cancer. Trends Analyt Chem 2014. [DOI: 10.1016/j.trac.2013.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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30
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Abbasi SA, Miller A. MDEWMA chart: an efficient and robust alternative to monitor process dispersion. J STAT COMPUT SIM 2013. [DOI: 10.1080/00949655.2011.601416] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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31
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Singh PM, Johnson C, Gartrell B, Mitchinson S, Chambers P. Pharmacokinetics of butorphanol in broiler chickens. Vet Rec 2011; 168:588. [PMID: 21628341 DOI: 10.1136/vr.d1191] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Butorphanol tartrate (2 mg/kg) was injected intravenously in 18 healthy broiler chickens to study its pharmacokinetics. Plasma samples were analysed by a highly sensitive high-performance liquid chromatography with diode-array detection method and pharmacokinetic parameters were calculated from the mean pooled data. With non-compartmental analysis, the terminal half-life (T(1/2.z)) was 71.3 minutes, clearance was 67.6 ml/minute/kg and the apparent volume of distribution was 6.9 l/kg. The concentration-time curve was also fitted to a two-compartmental model. In this analysis, elimination half-life (T(1/2β)) was 69.3 minutes, clearance was 74.6 ml/minute/kg and volume of distribution at steady state was 5.6 l/kg. The micro rate constants k(21), k(12) and k(10) were 0.034, 0.050 and 0.029, respectively. Butorphanol was well distributed in the chickens with rapid clearance. It remained above the minimum effective concentration for analgesia in mammals for approximately two hours in the chickens.
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Affiliation(s)
- P M Singh
- Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11-222, Palmerston North, 4442, New Zealand.
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Nogueiro Estevinho B, Ferraz A, Rocha F, Santos L, Alves A. Uncertainty in the determination of glucose in aqueous solutions by high-performance liquid chromatography with evaporative light scattering detection. J Sep Sci 2009; 32:3116-25. [DOI: 10.1002/jssc.200900205] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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van Nuijs ALN, Pecceu B, Theunis L, Dubois N, Charlier C, Jorens PG, Bervoets L, Blust R, Neels H, Covaci A. Cocaine and metabolites in waste and surface water across Belgium. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2009; 157:123-129. [PMID: 18789832 DOI: 10.1016/j.envpol.2008.07.020] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2008] [Revised: 07/08/2008] [Accepted: 07/24/2008] [Indexed: 05/26/2023]
Abstract
Cocaine abuse, a growing social problem, is currently estimated from population surveys, consumer interviews and crime statistics. A new approach based on the analysis of cocaine (COC) and metabolites, benzoylecgonine (BE) and ecgonine methyl ester (EME), in water samples was applied to 28 rivers and 37 waste water treatment plants in Belgium using solid-phase extraction and liquid chromatography coupled to tandem mass spectrometry. While EME was undetectable, COC and BE were detectable with concentrations ranging from <1 to 753 ng/L and <1 to 2258 ng/L, respectively. BE concentrations were employed to calculate the local amount of abused cocaine. The highest values (up to 1.8 g/day cocaine per 1000 inhabitants) were found in large cities and during weekends. The estimation of cocaine abuse through water analysis can be executed on regular basis without cooperation of patients. It also gives clear geographical information, while prevention campaigns can easily be implemented and evaluated.
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Affiliation(s)
- Alexander L N van Nuijs
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp (UA), Universiteitsplein 1, 2610 Antwerp, Belgium.
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