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Oiram Filho F, Mitri MP, Zocolo GJ, Canuto KM, de Brito ES. Validation of a Method for Anacardic Acid Quantification in Cashew Peduncles via High-Performance Liquid Chromatography Coupled to a Diode-Array Detector. Foods 2023; 12:2759. [PMID: 37509851 PMCID: PMC10379927 DOI: 10.3390/foods12142759] [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: 05/31/2023] [Revised: 07/05/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
The cashew peduncle has a high nutritional value and contains a wide variety of phenolic compounds. Among these, anacardic acids (AnAc) are biologically active components; however, they influence the cashew juice flavor and, consequently, its acceptance. This study validates a high-performance liquid chromatography method for quantifying the AnAc present in cashew peduncles, using a C18 reverse-phase column and a diode-array detector. The calibration curve obtained showed satisfactory precision for intraday (CV = 0.20%) and interday (CV = 0.29%) quantification, linearity (y = 2333.5x + 2956.2; r2 = 0.9979), repeatability with respect to retention time (CV = 0.45%) and area (CV = 0.30%), and selectivity, and possessed detection and quantification limits of 0.18 and 0.85 µg·mL-1, respectively. Different cashew clones containing AnAc were extracted and analyzed using the proposed method. A recovery of >90% was achieved using two sequential extractions. The total AnAc content ranged from 128.35 to 217.00 mg·100 g-1 in peduncle samples obtained from five different cashew clones.
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Affiliation(s)
- Francisco Oiram Filho
- Department of Chemical Engineering, Federal University of Ceará, Fortaleza 60440-900, CE, Brazil
| | - Morgana Pereira Mitri
- Department of Chemical Engineering, Federal University of Ceará, Fortaleza 60440-900, CE, Brazil
| | | | | | - Edy Sousa de Brito
- Embrapa Agroindústria Tropical, Pici, Fortaleza 60511-110, CE, Brazil
- Embrapa Alimentos e Territórios, Maceió 60020-050, AL, Brazil
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2
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Silva LAP, Campagnolo S, Fernandes SR, Marques SS, Barreiros L, Sampaio-Maia B, Segundo MA. Rapid and sustainable HPLC method for the determination of uremic toxins in human plasma samples. Anal Bioanal Chem 2023; 415:683-694. [PMID: 36464734 DOI: 10.1007/s00216-022-04458-w] [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: 08/30/2022] [Revised: 11/04/2022] [Accepted: 11/22/2022] [Indexed: 12/11/2022]
Abstract
Protein-bound uremic toxins, mainly indoxyl sulfate (3-INDS), p-cresol sulfate (pCS), and indole-3-acetic acid (3-IAA) but also phenol (Pol) and p-cresol (pC), are progressively accumulated during chronic kidney disease (CKD). Their accurate measurement in biomatrices is demanded for timely diagnosis and adoption of appropriate therapeutic measures. Multianalyte methods allowing the establishment of a uremic metabolite profile are still missing. Hence, the aim of this work was to develop a rapid and sensitive method based on high-performance liquid chromatography with fluorescence detection for the simultaneous quantification of Pol, 3-IAA, pC, 3-INDS, and pCS in human plasma. Separation was attained in 12 min, using a monolithic C18 column and isocratic elution with acetonitrile and phosphate buffer containing an ion-pairing reagent, at a flow rate of 2 mL min-1. Standards were prepared in plasma and quantification was performed using the background subtraction approach. LOQ values were ≤ 0.2 µg mL-1 for all analytes except for pCS (LOQ of 2 µg mL-1). The method proved to be accurate (93.5-112%) and precise (CV ≤ 14.3%). The multianalyte application of the method, associated to a reduced sample volume (50 µL), a less toxic internal standard (eugenol) in comparison to the previously applied 2,6-dimethylphenol and 4-ethylphenol, and a green extraction solvent (ethanol), resulted in the AGREE score of 0.62 which is in line with the recent trend of green and sustainable analytical chemistry. The validated method was successfully applied to the analysis of plasma samples from control subjects exhibiting normal levels of uremic toxins and CKD patients presenting significantly higher levels of 3-IAA, pC, 3-INDS, and pCS that can be further investigated as biomarkers of disease progression.
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Affiliation(s)
- Luís A P Silva
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Stefano Campagnolo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Sara R Fernandes
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.,Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072, Porto, Portugal
| | - Sara S Marques
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Luisa Barreiros
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal. .,Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072, Porto, Portugal.
| | - Benedita Sampaio-Maia
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 280, 4200-135, Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 280, 4200-135, Porto, Portugal.,Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal
| | - Marcela A Segundo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
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3
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Fernandes SR, Meireles AN, Marques SS, Silva L, Barreiros L, Sampaio-Maia B, Miró M, Segundo MA. Sample preparation and chromatographic methods for the determination of protein-bound uremic retention solutes in human biological samples: An overview. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1215:123578. [PMID: 36610265 DOI: 10.1016/j.jchromb.2022.123578] [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: 11/05/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Protein-bound uremic retention solutes, such as indole-3-acetic acid, indoxyl sulfate, p-cresol and p-cresol sulfate, are associated with the development of several pathologies, namely renal, cardiovascular, and bone toxicities, due to their potential accumulation in the human body, thus requiring analytical methods for monitoring and evaluation. The present review addresses conventional and advanced sample treatment procedures for sample handling and the chromatographic analytical methods developed for quantification of these compounds in different biological fluids, with particular focus on plasma, serum, and urine. The sample preparation and chromatographic methods coupled to different detection systems are critically discussed, focusing on the different steps involved for sample treatment, namely elimination of interfering compounds present in the sample matrix, and the evaluation of their environmental impact through the AGREEprep tool. There is a clear trend for the application of liquid-chromatography coupled to tandem mass spectrometry, which requires protein precipitation, solid-phase extraction and/or dilution prior to analysis of biological samples. Furthermore, from a sustainability point of view, miniaturized methods resorting to microplate devices are highly recommended.
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Affiliation(s)
- Sara R Fernandes
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - Andreia N Meireles
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Sara S Marques
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Luís Silva
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Luisa Barreiros
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal.
| | - Benedita Sampaio-Maia
- Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; INEB - Instituto Nacional de Engenharia Biomédica / I3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Manuel Miró
- FI-TRACE group, Department of Chemistry, University of the Balearic Islands, 07122-Palma de Mallorca, Spain
| | - Marcela A Segundo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
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Chiappini FA, Alcaraz MR, Escandar GM, Goicoechea HC, Olivieri AC. Chromatographic Applications in the Multi-Way Calibration Field. Molecules 2021; 26:6357. [PMID: 34770766 PMCID: PMC8588563 DOI: 10.3390/molecules26216357] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/11/2021] [Accepted: 10/18/2021] [Indexed: 12/02/2022] Open
Abstract
In this review, recent advances and applications using multi-way calibration protocols based on the processing of multi-dimensional chromatographic data are discussed. We first describe the various modes in which multi-way chromatographic data sets can be generated, including some important characteristics that should be taken into account for the selection of an adequate data processing model. We then discuss the different manners in which the collected instrumental data can be arranged, and the most usually applied models and algorithms for the decomposition of the data arrays. The latter activity leads to the estimation of surrogate variables (scores), useful for analyte quantitation in the presence of uncalibrated interferences, achieving the second-order advantage. Recent experimental reports based on multi-way liquid and gas chromatographic data are then reviewed. Finally, analytical figures of merit that should always accompany quantitative calibration reports are described.
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Affiliation(s)
- Fabricio A. Chiappini
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Cátedra de Química Analítica I, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe S3000ZAA, Argentina; (F.A.C.); (M.R.A.); (H.C.G.)
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz C1425FQB, Argentina;
| | - Mirta R. Alcaraz
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Cátedra de Química Analítica I, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe S3000ZAA, Argentina; (F.A.C.); (M.R.A.); (H.C.G.)
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz C1425FQB, Argentina;
| | - Graciela M. Escandar
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz C1425FQB, Argentina;
- Departamento de Química Analítica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Instituto de Química de Rosario (IQUIR-CONICET), Suipacha 531, Rosario S2002LRK, Argentina
| | - Héctor C. Goicoechea
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Cátedra de Química Analítica I, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe S3000ZAA, Argentina; (F.A.C.); (M.R.A.); (H.C.G.)
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz C1425FQB, Argentina;
| | - Alejandro C. Olivieri
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz C1425FQB, Argentina;
- Departamento de Química Analítica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Instituto de Química de Rosario (IQUIR-CONICET), Suipacha 531, Rosario S2002LRK, Argentina
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5
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Shan X, Zhang L, Ye H, Shao J, Shi Y, Tan S, Zhang L, Su K. Analytical techniques for monitoring of toluene and xylene exposure biomarkers hippuric acid and methylhippuric acid in human urine samples. Bioanalysis 2021; 13:1569-1584. [PMID: 34696600 DOI: 10.4155/bio-2021-0180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 10/06/2021] [Indexed: 01/09/2023] Open
Abstract
Quantification of hippuric acid and methylhippuric acid in human urine matrices provides information on the toluene and xylene exposure conditions. High performance liquid chromatography coupled with UV detection is the preferable technique for hippuric acid and methylhippuric acid detection in human urine. This study was conducted to present analytical techniques developed for monitoring of hippuric acid and methylhippuric acid in human urine matrices during 2016-2021.
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Affiliation(s)
- Xiaoyue Shan
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Lei Zhang
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Haipeng Ye
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Ji Shao
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Yanpeng Shi
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Siwei Tan
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Ling Zhang
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
| | - Kewen Su
- Hangzhou Occupational Disease Prevention & Control Hospital, Hangzhou 310014, China
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6
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Chang YY, Wu HL, Wang T, Fang H, Tong GY, Chen Y, Wang ZY, Chen W, Yu RQ. Three efficient chemometrics assisted fluorimetric detection methods for interference-free, rapid, and simultaneous determination of ibrutinib and pralatrexate in various complicated biological fluids. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 252:119419. [PMID: 33524816 DOI: 10.1016/j.saa.2020.119419] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/27/2020] [Accepted: 12/30/2020] [Indexed: 06/12/2023]
Abstract
In this study, a series of green, interference-free fluorimetric detection methods of the excitation-emission matrix coupled with the second-order calibration methods were proposed for the determination of ibrutinib and pralatrexate in various complicated biological fluids. The second-order advantage of the proposed method can overcome the problem of poor selectivity caused by the wide spectra of the fluorescence method. Even in the presence of uncalibrated interferences and severe peak overlap, the signal of pure substance and accurate quantitative results were still obtained. The average recoveries of the three methods were 94.5-104.9% for Alternating Trilinear Decomposition (ATLD) algorithm, 95.5-105.8% for Alternating Normalization Weighted Error (ANWE) algorithm and 94.4-105.7% for Parallel Factor Analysis (PARAFAC) algorithm, respectively. For ATLD, ANWE and PARAFAC, the relative standard deviations (RSD) were lower than 9.2%, 6.8% and 9.2%, and the RMSEPs were less than 8.1, 8.4 and 8.6 ng mL-1, respectively. In addition, the elliptic joint confidence region (EJCR) was adopted to further prove the accuracy of the three methods. The results showed that the three methods can accurately be quantified without significant difference. Good figures of merit parameters were also obtained. Among them, the limit of detection (LOD) and limit of quantification (LOQ) of ibrutinib and pralatrexate were in the range of 0.11-0.76 ng mL-1 and 0.21-1.12 ng mL-1, respectively, which were lower than the corresponding blood concentrations. These results indicate that the proposed method provides a promising, alternative and universal analysis strategy for clinical drug monitoring.
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Affiliation(s)
- Yue-Yue Chang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Hai-Long Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China.
| | - Tong Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Huan Fang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Gao-Yan Tong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yue Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Zhao-Yang Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Wei Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Ru-Qin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
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Sudol PE, Ochoa GS, Synovec RE. Investigation of the limit of discovery using tile-based Fisher ratio analysis with comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry. J Chromatogr A 2021; 1644:462092. [PMID: 33823385 DOI: 10.1016/j.chroma.2021.462092] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 11/26/2022]
Abstract
Comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (GC×GC-TOFMS) is followed by tile-based Fisher ratio (F-ratio) analysis to investigate the "limit of discovery" for low concentration levels of sulfur-containing compounds in JP8 jet fuel. A mixture of 14 sulfur-containing compounds was spiked at 30 ppm, 15 ppm, 3 ppm and 1.5 ppm into the neat fuel prior to GC×GC-TOFMS analysis with a "reversed" column format (aka polar first dimension (1D) and non-polar second dimension (2D) column). Prior standard implementation of tile-based F-ratio analysis utilized an average F-ratio requiring a minimum of 3 mass channels (m/z) with the highest F-ratios. Herein, we explore the notion that use of the top F-ratio m/z for hitlist ranking is superior to the standard implementation for analytes near their limit-of-quantitation (LOQ), defined as an analyte concentration that produces a signal equal to ten times the standard deviation of the baseline noise (10σn). Hitlist ranking comparisons revealed that using only the top F-ratio m/z resulted in impressive improvements in discoverability for the low concentration comparisons. Specifically, for the 3 ppm versus neat hitlist, 1,4-oxathiane (LOQ = 2.5 ppm) improved from hit 114 via standard F-ratio analysis, to hit 25. For the 1.5 ppm versus neat hitlist, 2-propylthiophene (LOQ = 0.64 ppm) improved from hit 59 to 17, benzo[b]thiophene (LOQ = 1.1 ppm) from hit 98 to 28, and 2,5-dimethylthiophene (LOQ = 1.3 ppm) from hit 262 to 39. Additional hitlist ranking comparisons revealed the importance of proper tile size selection, as analyte discoverability deteriorated upon using either an inappropriately too small or too large of a tile.
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Affiliation(s)
- Paige E Sudol
- Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195, USA
| | - Grant S Ochoa
- Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195, USA
| | - Robert E Synovec
- Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195, USA.
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Sousa A, Ribeiro C, Gonçalves VMF, Barbosa J, Peixoto B, Andrade A, Silva P, Andrade JP, Leal S. Development and validation of a liquid chromatography method using UV/fluorescence detection for the quantitative determination of metabolites of the kynurenine pathway in human urine: Application to patients with heart failure. J Pharm Biomed Anal 2021; 198:113997. [PMID: 33676170 DOI: 10.1016/j.jpba.2021.113997] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/21/2021] [Accepted: 02/23/2021] [Indexed: 12/19/2022]
Abstract
Recent evidence indicates the relevant role of the tryptophan (TRP) metabolites in the pathophysiology of cardiovascular diseases via inflammatory and oxidative stress mechanisms. Therefore, quantification of TRP and its metabolites in biological samples can be a powerful tool to elucidate the disease mechanisms. The aim of this work was to develop and validate a liquid chromatography with ultraviolet (UV) and fluorescence detection (FD) (LCUV/FD) method for the quantification of TRP and its metabolites (L-kynurenine (KYN) and kynurenic acid (KA)) in urine samples from heart failure (HF) patients. Biochemical parameters and inflammatory markers were quantified, and data correlated with urinary concentrations of TRP and its metabolites. Optimized chromatographic conditions were achieved using a Luna® 3 μm PFP(2) analytical column, a mobile phase of 20 mM of ammonium formate in ultra-pure water (with 0.01 % of formic acid), acetonitrile and ethanol (95/2/3, v/v/v), a flow rate of 0.7 mL/min and a column oven temperature set at 25 °C. The method was validated according to the European Medicines Agency (EMA) guidelines and showed to be linear (r2 >0.99), accurate (82-116%) and precise (%RSD below 15 %). The limits of quantification varied between 50 and 125 ng/mL. The method was applied to the quantification of TRP, KYN and KA in healthy volunteers and male HF patients. The results obtained through this pilot study (small group of patients) showed a relationship between biochemical parameters, inflammatory markers and changes in the concentration of TRP, KYN and KA. The KYN/TRP and KA/KYN ratios were calculated. Results support the hypothesis that KYN/TRP ratio is related with enzymatic activity and that KA/KYN ratio can be a good neuroprotection indicator. The potential of the LCUV/FD method for the monitoring of the selected compounds in cardiac patients was also demonstrated.
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Affiliation(s)
- Ana Sousa
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, 1317, 4585-116, Gandra PRD, Portugal
| | - Cláudia Ribeiro
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, 1317, 4585-116, Gandra PRD, Portugal; Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208, Matosinhos, Portugal.
| | - Virgínia M F Gonçalves
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, 1317, 4585-116, Gandra PRD, Portugal
| | - Joana Barbosa
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, 1317, 4585-116, Gandra PRD, Portugal; UCIBIO, REQUIMTE - Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, 4050-313, Porto, Portugal
| | - Bruno Peixoto
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, 1317, 4585-116, Gandra PRD, Portugal; Centro de Investigação em Tecnologias e Sistemas de Informação em Saúde (CINTESIS), Porto, Portugal
| | - Aurora Andrade
- Departamento Clínico de Cardiologia do Centro Hospitalar do Tâmega e Sousa EPE, Penafiel, Portugal
| | - Patrícia Silva
- Departamento Clínico de Cardiologia do Centro Hospitalar do Tâmega e Sousa EPE, Penafiel, Portugal
| | - José Paulo Andrade
- Departamento de Biomedicina - Unidade de Anatomia, Faculdade de Medicina da Universidade do Porto, 4200-319, Porto, Portugal
| | - Sandra Leal
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, 1317, 4585-116, Gandra PRD, Portugal; Centro de Investigação em Tecnologias e Sistemas de Informação em Saúde (CINTESIS), Porto, Portugal.
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Lu F, Yang Y, Liu Y, Wang F, Ji X, He Z. Point-of-care testing (POCT) of patients with a high concentration of uric acid by using alginate hydrogel microspheres embedded with CdZnTeS QDs and urate oxidase (Alg@QDs-UOx MSs). Analyst 2021; 146:949-955. [DOI: 10.1039/d0an02029j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A more convenient method for POCT of patients with a high concentration of uric acid by using Alg@QDs-UOx MSs is developed.
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Affiliation(s)
- Fan Lu
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Yeling Yang
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Yucheng Liu
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Fubing Wang
- Department of Laboratory Medicine
- Zhongnan Hospital of Wuhan University
- Wuhan 430071
- China
| | - Xinghu Ji
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Zhike He
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
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Wu HL, Wang T, Yu RQ. Recent advances in chemical multi-way calibration with second-order or higher-order advantages: Multilinear models, algorithms, related issues and applications. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115954] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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11
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Zhang XH, Ma YX, Yi C, Qing XD, Liu Z, Zheng JJ, Lin F, Lv TF. Chemometrics-enhanced HPLC–DAD as a rapid and interference-free strategy for simultaneous quantitative analysis of flavonoids in Chinese propolis. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03543-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Piestansky J, Galba J, Kovacech B, Parrak V, Kovac A, Mikuš P. Capillary electrophoresis and ultra‐high‐performance liquid chromatography methods in clinical monitoring of creatinine in human urine: A comparative study. Biomed Chromatogr 2020; 34:e4907. [DOI: 10.1002/bmc.4907] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/21/2020] [Accepted: 05/25/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Juraj Piestansky
- Department of Pharmaceutical Analysis and Nuclear Pharmacy Comenius University in Bratislava Bratislava Slovak Republic
- Toxicological and Antidoping Center Comenius University in Bratislava Bratislava Slovak Republic
| | - Jaroslav Galba
- Department of Pharmaceutical Analysis and Nuclear Pharmacy Comenius University in Bratislava Bratislava Slovak Republic
- AXON Neuroscience R&D Bratislava Slovak Republic
| | - Branislav Kovacech
- AXON Neuroscience R&D Bratislava Slovak Republic
- Institute of Neuroimmunology, Slovak Academy of Science Bratislava Slovak Republic
| | - Vojtech Parrak
- AXON Neuroscience R&D Bratislava Slovak Republic
- Institute of Neuroimmunology, Slovak Academy of Science Bratislava Slovak Republic
| | - Andrej Kovac
- AXON Neuroscience R&D Bratislava Slovak Republic
- Institute of Neuroimmunology, Slovak Academy of Science Bratislava Slovak Republic
| | - Peter Mikuš
- Department of Pharmaceutical Analysis and Nuclear Pharmacy Comenius University in Bratislava Bratislava Slovak Republic
- Toxicological and Antidoping Center Comenius University in Bratislava Bratislava Slovak Republic
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Zhang XH, Zhou Q, Liu Z, Qing XD, Zheng JJ, Mu ST, Liu PH. Comparison of three second-order multivariate calibration methods for the rapid identification and quantitative analysis of tea polyphenols in Chinese teas using high-performance liquid chromatography. J Chromatogr A 2020; 1618:460905. [PMID: 32008825 DOI: 10.1016/j.chroma.2020.460905] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 01/09/2020] [Accepted: 01/20/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Xiao-Hua Zhang
- Key Laboratory of Biomarker Based Rapid-detection Technology for Food Safety of Henan Province, Food and Bioengineering College, Xuchang University, Xuchang 461000, PR China.
| | - Qian Zhou
- Key Laboratory of Biomarker Based Rapid-detection Technology for Food Safety of Henan Province, Food and Bioengineering College, Xuchang University, Xuchang 461000, PR China
| | - Zhi Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products/Institute of Quality and Standards for Agricultural Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, PR China.
| | - Xiang-Dong Qing
- Hunan Provincial Key Laboratory of Dark Tea and Jin-hua, College of Materials and Chemical Engineering, Hunan City University, Yiyang, 413049, PR China
| | - Jing-Jing Zheng
- Key Laboratory of Biomarker Based Rapid-detection Technology for Food Safety of Henan Province, Food and Bioengineering College, Xuchang University, Xuchang 461000, PR China
| | - Shu-Ting Mu
- Key Laboratory of Biomarker Based Rapid-detection Technology for Food Safety of Henan Province, Food and Bioengineering College, Xuchang University, Xuchang 461000, PR China
| | - Pan-Hua Liu
- Key Laboratory of Biomarker Based Rapid-detection Technology for Food Safety of Henan Province, Food and Bioengineering College, Xuchang University, Xuchang 461000, PR China
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Ates HC, Roberts JA, Lipman J, Cass AEG, Urban GA, Dincer C. On-Site Therapeutic Drug Monitoring. Trends Biotechnol 2020; 38:1262-1277. [PMID: 33058758 DOI: 10.1016/j.tibtech.2020.03.001] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 12/13/2022]
Abstract
Recent technological advances have stimulated efforts to bring personalized medicine into practice. Yet, traditional application fields like therapeutic drug monitoring (TDM) have remained rather under-appreciated. Owing to clear dose-response relationships, TDM could improve patient outcomes and reduce healthcare costs. While chromatography-based routine practices are restricted due to high costs and turnaround times, biosensors overcome these limitations by offering on-site analysis. Nevertheless, sensor-based approaches have yet to break through for clinical TDM applications, due to the gap between scientific and clinical communities. We provide a critical overview of current TDM practices, followed by a TDM guideline to establish a common ground across disciplines. Finally, we discuss how the translation of sensor systems for TDM can be facilitated, by highlighting the challenges and opportunities.
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Affiliation(s)
- H Ceren Ates
- Freiburg Centre for Interactive Materials and Bioinspired Technologies - FIT, University of Freiburg, 79110 Freiburg, Germany; Department of Microsystems Engineering - IMTEK, Laboratory for Sensors, University of Freiburg, 79110 Freiburg, Germany
| | - Jason A Roberts
- Centre of Clinical Research, Faculty of Medicine, The University of Queensland, 4072, Brisbane, Queensland, Australia; Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, 4029, Brisbane, Queensland, Australia; Department of Pharmacy, Royal Brisbane and Women's Hospital, 4029, Brisbane, Queensland, Australia; Centre for Translational Anti-infective Pharmacodynamics, School of Pharmacy, The University of Queensland, 4102, Brisbane, Queensland, Australia; Division of Anaesthesiology Critical Care Emergency and Pain Medicine, University of Montpellier, Nîmes University Hospital, 34090, Nîmes, France
| | - Jeffrey Lipman
- Centre of Clinical Research, Faculty of Medicine, The University of Queensland, 4072, Brisbane, Queensland, Australia; Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, 4029, Brisbane, Queensland, Australia; Division of Anaesthesiology Critical Care Emergency and Pain Medicine, University of Montpellier, Nîmes University Hospital, 34090, Nîmes, France
| | - Anthony E G Cass
- Department of Chemistry and Institute of Biomedical Engineering, Imperial College London, SW7 2AZ, London, UK
| | - Gerald A Urban
- Freiburg Centre for Interactive Materials and Bioinspired Technologies - FIT, University of Freiburg, 79110 Freiburg, Germany; Freiburg Materials Research Centre - FMF, University of Freiburg, 79104 Freiburg, Germany
| | - Can Dincer
- Freiburg Centre for Interactive Materials and Bioinspired Technologies - FIT, University of Freiburg, 79110 Freiburg, Germany; Department of Microsystems Engineering - IMTEK, Laboratory for Sensors, University of Freiburg, 79110 Freiburg, Germany. @imtek.de
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15
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Mostafa IM, Halawa MI, Chen Y, Abdussalam A, Guan Y, Xu G. Silicotungstic acid as a highly efficient coreactant for luminol chemiluminescence for sensitive detection of uric acid. Analyst 2020; 145:2709-2715. [PMID: 32077455 DOI: 10.1039/c9an02600b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Herein, we report luminol-silicotungstic acid (STA) chemiluminescence (CL) for the first time. The luminol-STA system resulted in remarkable CL enhancement (65 times) compared with the known classical luminol-H2O2 system because of the generation of the strong oxidizing agent tungsten trioxide from STA. Based on the quenching effect of uric acid, the new CL system is applied for the sensitive and selective assay of uric acid in its pure state (LOD 0.75 nM) and in real human urine with excellent recoveries in the range of 99.6-102.3%. Furthermore, this system permits the efficient detection of STA (LOD, 0.24 μM).
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Affiliation(s)
- Islam M Mostafa
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.
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