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Hopsort G, Latapie L, Groenen Serrano K, Loubière K, Tzedakis T. Deciphering the human urine matrix: a new approach to simultaneously quantify the main ions and organic compounds by ion chromatography/mass spectrometry (IC-MS). Anal Bioanal Chem 2023; 415:5337-5352. [PMID: 37394521 DOI: 10.1007/s00216-023-04808-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/10/2023] [Accepted: 06/13/2023] [Indexed: 07/04/2023]
Abstract
Analyzing the composition of (human) urine plays a major role in the fields of biology and medicine. Organic molecules (such as urea, creatine) and ions (such as chloride, sulfate) are the major compounds present in urine, the quantification of which allows for the diagnosis of a subject's health condition. Various analytical methods have been reported for studying urine components and validated on the basis of known and referenced compounds. The present work introduces a new method able to simultaneously determine both major organic molecules and ions contained in urine, by combining ion chromatography using a conductimetric detector with mass spectroscopy. The analysis of organic and ionized compounds (anionic and cationic) was achieved in double injections. For quantification, the standard addition method was used. Human urine samples were pre-treated (diluted and filtered) for IC-CD/MS analysis. The analytes were separated in 35 min. Calibration ranges (0-20 mg.L-1) and correlation coefficients (> 99.3%) as well as detection (LODs < 0.75 mg.L-1) and quantification (LOQs < 2.59 mg.L-1) limits were obtained for the main organic molecules (lactic, hippuric, citric, uric, oxalic acids, urea, creatine, and creatinine) and ions (chloride, sulfate, phosphate, sodium, ammonium, potassium, calcium, and magnesium) contained in urine. The intra- and inter-day accuracies of the analytes consistently ranged from 0.1 to 5.0%, and the precision was within 4.0%. For all analytes, no significant matrix effects were observed, and recoveries ranged from 94.9 to 102.6%. Finally, quantitative results of analytes were obtained from 10 different human urine samples.
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Affiliation(s)
- Guillaume Hopsort
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France.
| | - Laure Latapie
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Karine Groenen Serrano
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Karine Loubière
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Theodore Tzedakis
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France.
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2
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Tian F, de Carvalho LFDCES, Casey A, Nogueira MS, Byrne HJ. Surface-Enhanced Raman Analysis of Uric Acid and Hypoxanthine Analysis in Fractionated Bodily Fluids. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1216. [PMID: 37049309 PMCID: PMC10097234 DOI: 10.3390/nano13071216] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/26/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
In recent years, the disease burden of hyperuricemia has been increasing, especially in high-income countries and the economically developing world with a Western lifestyle. Abnormal levels of uric acid and hypoxanthine are associated with many diseases, and therefore, to demonstrate improved methods of uric acid and hypoxanthine detection, three different bodily fluids were analysed using surface-enhanced Raman spectroscopy (SERS) and high-performance liquid chromatography (HPLC). Gold nanostar suspensions were mixed with series dilutions of uric acid and hypoxanthine, 3 kDa centrifugally filtered human blood serum, urine and saliva. The results show that gold nanostars enable the quantitative detection of the concentration of uric acid and hypoxanthine in the range 5-50 μg/mL and 50-250 ng/mL, respectively. The peak areas of HPLC and maximum peak intensity of SERS have strongly correlated, notably with the peaks of uric acid and hypoxanthine at 1000 and 640 cm-1, respectively. The r2 is 0.975 and 0.959 for uric acid and hypoxanthine, respectively. Each of the three body fluids has a number of spectral features in common with uric acid and hypoxanthine. The large overlap of the spectral bands of the SERS of uric acid against three body fluids at spectra peaks were at 442, 712, 802, 1000, 1086, 1206, 1343, 1436 and 1560 cm-1. The features at 560, 640, 803, 1206, 1290 and 1620 cm-1 from hypoxanthine were common to serum, saliva and urine. There is no statistical difference between HPLC and SERS for determination of the concentration of uric acid and hypoxanthine (p > 0.05). For clinical applications, 3 kDa centrifugal filtration followed by SERS can be used for uric acid and hypoxanthine screening is, which can be used to reveal the subtle abnormalities enhancing the great potential of vibrational spectroscopy as an analytical tool. Our work supports the hypnosis that it is possible to obtain the specific concentration of uric acid and hypoxanthine by comparing the SER signals of serum, saliva and urine. In the future, the analysis of other biofluids can be employed to detect biomarkers for the diagnosis of systemic pathologies.
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Affiliation(s)
- Furong Tian
- FOCAS Research Institute, Technological University Dublin Camden Row, D08CKP1 Dublin, Ireland; (A.C.)
| | - Luis Felipe das Chagas e Silva de Carvalho
- FOCAS Research Institute, Technological University Dublin Camden Row, D08CKP1 Dublin, Ireland; (A.C.)
- Centro Universitario Braz Cubas, Mogi das Cruzes 08773-380, Brazil
- Universidade de Taubate, Taubate 12080-000, Brazil
| | - Alan Casey
- FOCAS Research Institute, Technological University Dublin Camden Row, D08CKP1 Dublin, Ireland; (A.C.)
| | - Marcelo Saito Nogueira
- Tyndall National Institute, Lee Maltings Complex, Dyke Parade, T12R5CP Cork, Ireland;
- Department of Physics, University College Cork, College Road, T12K8AF Cork, Ireland
| | - Hugh J. Byrne
- FOCAS Research Institute, Technological University Dublin Camden Row, D08CKP1 Dublin, Ireland; (A.C.)
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3
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Enzymatic determination of hypoxanthine in fish samples as a freshness indicator using the CUPRAC colorimetric sensor. Enzyme Microb Technol 2023; 162:110137. [DOI: 10.1016/j.enzmictec.2022.110137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/26/2022] [Accepted: 10/01/2022] [Indexed: 11/13/2022]
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4
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Mary Tomy A, Cyriac J. Simultaneous detection of dopamine, uric acid and α-lipoic acid using nickel hydroxide nanosheets. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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5
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Wang J, Khorasani Motlagh M, Noroozifar M, Kerman K, Kraatz H. Ferrocene‐Functionalized Multiwalled Carbon Nanotubes for the Simultaneous Determination of Dopamine, Uric Acid, and Xanthine. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100907] [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]
Affiliation(s)
- Junyan Wang
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
| | - Mozhgan Khorasani Motlagh
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
| | - Meissam Noroozifar
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
| | - Kagan Kerman
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
- Department of Chemistry University of Toronto 280 St. George St., Toronto M5S 3H6 Ontario Canada
| | - Heinz‐Bernhard Kraatz
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
- Department of Chemistry University of Toronto 280 St. George St., Toronto M5S 3H6 Ontario Canada
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6
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Astaxanthin intake alleviates gouty arthritis in patients and rats by modulating the levels of various inflammatory markers. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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7
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Influence of Electronic Cigarettes on Antioxidant Capacity and Nucleotide Metabolites in Saliva. TOXICS 2021; 9:toxics9100263. [PMID: 34678959 PMCID: PMC8538442 DOI: 10.3390/toxics9100263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 11/17/2022]
Abstract
The balance between reactive oxygen species production and the activity of antioxidant systems present in saliva is an important element in maintaining oral environment homeostasis. E-cigarettes adversely affect the oral cavity and their cytotoxic effect is related to oxidative stress. The aim of this study was to assess the influence of using electronic cigarettes on antioxidant capacity of saliva. The study involved 110 subjects (35 e-cigarettes users, 33 traditional cigarettes smokers and 42 non-smokers). Laboratory analysis involved quantitation of uric acid, hypoxanthine, xanthine, TAOS (total antioxidant status) and TEAC (Trolox equivalent antioxidant capacity) in saliva. Lower values for TAOS and TEAC were observed among e-cigarettes users and traditional cigarettes smokers in comparison to non-smokers. Uric acid concentration tended to be higher among e-cigarettes users while no differences in hypoxanthine and xanthine saliva concentrations were observed. Electronic cigarettes usage affects antioxidant capacity of saliva to the same extent as traditional cigarettes, when comparing smokers to non-smokers. Further longitudinal studies on a larger study group are needed to assess the effect of changes in antioxidant status on oral health.
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Vernerová A, Krčmová LK, Heneberk O, Radochová V, Strouhal O, Kašparovský A, Melichar B, Švec F. Chromatographic method for the determination of inflammatory biomarkers and uric acid in human saliva. Talanta 2021; 233:122598. [PMID: 34215086 DOI: 10.1016/j.talanta.2021.122598] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/29/2021] [Accepted: 06/05/2021] [Indexed: 10/21/2022]
Abstract
Determination of concentration of biomarkers of the activation of immune system, uric acid, and creatinine in the saliva can be useful tool for the diagnosis and monitoring of early manifestations of diseases such as malignant, inflammatory, and periodontal disorders. We have developed and validated a high-performance liquid chromatographic method coupled with fluorescence and diode array detection for the separation and quantification of neopterin, tryptophan, creatinine, uric acid, and kynurenine in the human saliva. A separation of these analytes was achieved within 9 min by using second-generation monolithic stationary phase and elution with phosphate buffer. The present method involves very simple sample preparation requiring small amount of sample matrix. The internal standard 3-nitro-l-tyrosine was used for a more precise quantification. The sensitivity of the present method was demonstrated with lower limits of quantification of 0.6 × 10-3 μmol/L for neopterin, 0.725 μmol/L for tryptophan, 0.12 μmol/L for creatinine, 0.18 μmol/L for uric acid, and 0.135 μmol/L for kynurenine. The method was validated with 67 real-life saliva samples collected from patients suffering from breast, ovarian, colorectal, and renal cancer, and 19 saliva samples from patients with periodontal diseases and allowed monitoring of inflammatory response.
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Affiliation(s)
- Andrea Vernerová
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic; Department of Clinical Biochemistry and Diagnostics, University Hospital, Sokolská 581, Hradec Králové, 500 05, Czech Republic
| | - Lenka Kujovská Krčmová
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic; Department of Clinical Biochemistry and Diagnostics, University Hospital, Sokolská 581, Hradec Králové, 500 05, Czech Republic.
| | - Ondřej Heneberk
- Department of Dentistry, Faculty of Medicine in Hradec Králové, Charles University, University Hospital, Sokolská 581, Hradec Králové, 500 05, Czech Republic
| | - Vladimíra Radochová
- Department of Dentistry, Faculty of Medicine in Hradec Králové, Charles University, University Hospital, Sokolská 581, Hradec Králové, 500 05, Czech Republic
| | - Ondřej Strouhal
- Department of Oncology, Palacký University, Faculty of Medicine and Dentistry, Olomouc, I.P. Pavlova 6, 779 00, Olomouc, Czech Republic
| | - Adam Kašparovský
- Department of Oncology, Palacký University, Faculty of Medicine and Dentistry, Olomouc, I.P. Pavlova 6, 779 00, Olomouc, Czech Republic
| | - Bohuslav Melichar
- Department of Oncology, Palacký University, Faculty of Medicine and Dentistry, Olomouc, I.P. Pavlova 6, 779 00, Olomouc, Czech Republic
| | - František Švec
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic
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Orts-Arroyo M, Castro I, Martínez-Lillo J. Detection of Hypoxanthine from Inosine and Unusual Hydrolysis of Immunosuppressive Drug Azathioprine through the Formation of a Diruthenium(III) System. BIOSENSORS 2021; 11:19. [PMID: 33440852 PMCID: PMC7827764 DOI: 10.3390/bios11010019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/27/2020] [Accepted: 01/06/2021] [Indexed: 12/30/2022]
Abstract
Hypoxanthine (hpx) is an important molecule for both biochemistry research and biomedical applications. It is involved in several biological processes associated to energy and purine metabolism and has been proposed as a biomarker for a variety of disease states. Consequently, the discovery and development of systems suitable for the detection of hypoxanthine is pretty appealing in this research field. Thus, we have obtained a stable diruthenium (III) compound in its dehydrated and hydrated forms with formula [{Ru(µ-Cl)(µ-hpx)}2Cl4] (1a) and [{Ru(µ-Cl)(µ-hpx)}2Cl4]·2H2O (1b), respectively. This purine-based diruthenium(III) system was prepared from two very different starting materials, namely, inosine and azathioprine, the latter being an immunosuppressive drug. Remarkably, it was observed that an unusual azathioprine hydrolysis occurs in the presence of ruthenium, thus generating hypoxanthine instead of the expected 6-mercaptopurine antimetabolite, so that the hpx molecule is linked to two ruthenium(III) ions. 1a and 1b were characterized through IR, SEM, powder and single-crystal X-ray Diffraction and Cyclic Voltammetry (CV). The electrochemical studies allowed us to detect the hpx molecule when coordinated to ruthenium in the reported compound. The grade of sensitivity, repeatability and stability reached by this diruthenium system make it potentially useful and could provide a first step to develop new sensor devices suitable to detect hypoxanthine.
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Affiliation(s)
| | | | - José Martínez-Lillo
- Instituto de Ciencia Molecular (ICMol), Universitat de València, c/ Catedrático José Beltrán 2, Paterna, 46980 València, Spain; (M.O.-A.); (I.C.)
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10
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Kang L, Liu J, Zhang H, Jiang M, Jin Y, Zhang M, Hu P. Improved ultra-high performance liquid chromatographic method for simultaneous determination of five gout-related metabolites in human serum. J Sep Sci 2020; 44:954-962. [PMID: 33348445 DOI: 10.1002/jssc.202000974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/13/2020] [Accepted: 12/16/2020] [Indexed: 12/19/2022]
Abstract
Creatinine and purines are gout-related metabolites commonly quantified by liquid chromatography coupled with ultraviolet and mass spectrometry. However, the high cost of liquid chromatography coupled with mass spectrometry hindered its extensive use in ordinary hospitals and clinical laboratories. Using the traditional liquid chromatography method, the full separation of these metabolites in complex biological samples is still not achieved. In this study, an improved ultra-high-performance liquid chromatography with ultraviolet spectroscopy method was reported for quantitative determination of five gout-related metabolites (i.e., creatinine, uric acid, hypoxanthine, xanthine, and inosine) in human serum within 10 min. A UHPLC system equipped with a hydrophilic C18 column was used to improve separation, shorten analysis time, and increase analysis throughput. The performance of the method was validated by evaluating linearity (squared correlation coefficient > 0.9991), recovery (92.8-100.0%, with relative standard deviation < 4.7%), accuracy (relative errors < 14.6%), precision (0.2-4.1% for intraday and 2.1-7.3% for interday) and stability (-14.1 to 8.3% in autosampler for 12 h and -13.3 to 2.2% for freeze-thaw cycles). This method was successfully applied to quantify gout-related metabolites in serum samples of healthy controls and gout patients, which was expected to be used in the clinical investigation of gout at different stages.
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Affiliation(s)
- Lu Kang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Ju Liu
- Department of Rheumatology, Jiujiang First People's Hospital, Jiujiang, P. R. China
| | - Hongyang Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China.,Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Min Jiang
- Department of Rheumatology, Jiujiang First People's Hospital, Jiujiang, P. R. China
| | - Yidian Jin
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Min Zhang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Ping Hu
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
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11
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Vernerová A, Kujovská Krčmová L, Melichar B, Švec F. Non-invasive determination of uric acid in human saliva in the diagnosis of serious disorders. Clin Chem Lab Med 2020; 59:797-812. [PMID: 33554551 DOI: 10.1515/cclm-2020-1533] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/12/2020] [Indexed: 11/15/2022]
Abstract
This review summarizes and critically evaluates the published approaches and recent trends in sample pre-treatment, as well as both separation and non-separation techniques used for the determination of uric acid (UA) in saliva. UA is the final product of purine nucleotide catabolism in humans. UA concentrations in biological fluids such as serum, plasma, and urine represent an important biomarker of diseases including gout, hyperuricemia, or disorders associated with oxidative stress. Previous studies reported correlation between UA concentrations detected in saliva and in the blood. The interest in UA has been increasing during the past 20 years from a single publication in 2000 to 34 papers in 2019 according to MEDLINE search using term "uric acid in saliva". The evaluation of salivary UA levels can contribute to non-invasive diagnosis of many serious diseases. Increased salivary UA concentration is associated with cancer, HIV, gout, and hypertension. In contrast, low UA levels are associated with Alzheimer disease, progression of multiple sclerosis, and mild cognitive impairment.
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Affiliation(s)
- Andrea Vernerová
- The Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic.,The Department of Clinical Biochemistry and Diagnostics, University Hospital, Hradec Králové, Czech Republic
| | - Lenka Kujovská Krčmová
- The Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic.,The Department of Clinical Biochemistry and Diagnostics, University Hospital, Hradec Králové, Czech Republic
| | - Bohuslav Melichar
- The Department of Oncology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - František Švec
- The Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic
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Mohammadi S, Taher MA, Beitollahi H. Treated Screen Printed Electrodes Based on Electrochemically Reduced Graphene Nanoribbons for the Sensitive Voltammetric Determination of Dopamine in the Presence of Uric Acid. ELECTROANAL 2020. [DOI: 10.1002/elan.201900767] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Somayeh Mohammadi
- Department of Chemistry Faculty of Science Shahid Bahonar University of Kerman Kerman 76175-133 Iran
| | - Mohammad Ali Taher
- Department of Chemistry Faculty of Science Shahid Bahonar University of Kerman Kerman 76175-133 Iran
| | - Hadi Beitollahi
- Environment Department Institute of Science and High Technology and Environmental Sciences Graduate University of Advanced Technology Kerman Iran
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Zhou S, Guo X, Meng L, Cui J, Li J, Yuan X, Wu D. A miniature electrochemical detection system based on GOQDs/MWCNTs /SPCE* for determination the purine in cells. Anal Biochem 2019; 577:67-72. [DOI: 10.1016/j.ab.2019.04.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 04/20/2019] [Accepted: 04/20/2019] [Indexed: 12/27/2022]
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14
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Wan X, Yang S, Cai Z, He Q, Ye Y, Xia Y, Li G, Liu J. Facile Synthesis of MnO 2 Nanoflowers/N-Doped Reduced Graphene Oxide Composite and Its Application for Simultaneous Determination of Dopamine and Uric Acid. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E847. [PMID: 31159490 PMCID: PMC6631201 DOI: 10.3390/nano9060847] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 05/28/2019] [Accepted: 05/28/2019] [Indexed: 01/14/2023]
Abstract
This study reports facile synthesis of MnO2 nanoflowers/N-doped reduced graphene oxide (MnO2NFs/NrGO) composite and its application on the simultaneous determination of dopamine (DA) and uric acid (UA). The microstructures, morphologies, and electrochemical performances of MnO2NFs/NrGO were studied using X-ray diffraction (XRD), scanning electron microscopy (SEM), cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS), respectively. The electrochemical experiments showed that the MnO2NFs/NrGO composites have the largest effective electroactive area and lowest charge transfer resistance. MnO2NFs/NrGO nanocomposites displayed superior catalytic capacity toward the electro-oxidation of DA and UA due to the synergistic effect from MnO2NFs and NrGO. The anodic peak currents of DA and UA increase linearly with their concentrations varying from 0.2 μM to 6.0 μM. However, the anodic peak currents of DA and UA are highly correlated to the Napierian logarithm of their concentrations ranging from 6.0 μM to 100 μM. The detection limits are 0.036 μM and 0.029 μM for DA and UA, respectively. Furthermore, the DA and UA levels of human serum samples were accurately detected by the proposed sensor. Combining with prominent advantages such as facile preparation, good sensitivity, and high selectivity, the proposed MnO2NFs/NrGO nanocomposites have become the most promising candidates for the simultaneous determination of DA and UA from various actual samples.
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Affiliation(s)
- Xuan Wan
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Shihui Yang
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Zhaotian Cai
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Quanguo He
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Yabing Ye
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Yonghui Xia
- Zhuzhou Institute for Food and Drug Control, Zhuzhou 412000, China.
| | - Guangli Li
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Jun Liu
- College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
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15
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Cai Z, Ye Y, Wan X, Liu J, Yang S, Xia Y, Li G, He Q. Morphology-Dependent Electrochemical Sensing Properties of Iron Oxide-Graphene Oxide Nanohybrids for Dopamine and Uric Acid. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E835. [PMID: 31159377 PMCID: PMC6631868 DOI: 10.3390/nano9060835] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 05/18/2019] [Accepted: 05/20/2019] [Indexed: 12/12/2022]
Abstract
Various morphologies of iron oxide nanoparticles (Fe2O3 NPs), including cubic, thorhombic and discal shapes were synthesized by a facile meta-ion mediated hydrothermal route. To further improve the electrochemical sensing properties, discal Fe2O3 NPs with the highest electrocatalytic activity were coupled with graphene oxide (GO) nanosheets. The surface morphology, microstructures and electrochemical properties of the obtained Fe2O3 NPs and Fe2O3/GO nanohybrids were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) techniques. As expected, the electrochemical performances were found to be highly related to morphology. The discal Fe2O3 NPs coupled with GO showed remarkable electrocatalytic activity toward the oxidation of dopamine (DA) and uric acid (UA), due to their excellent synergistic effect. The electrochemical responses of both DA and UA were linear to their concentrations in the ranges of 0.02-10 μM and 10-100 μM, with very low limits of detection (LOD) of 3.2 nM and 2.5 nM for DA and UA, respectively. Moreover, the d-Fe2O3/GO nanohybrids showed good selectivity and reproducibility. The proposed d-Fe2O3/GO/GCE realized the simultaneous detection of DA and UA in human serum and urine samples with satisfactory recoveries.
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Affiliation(s)
- Zhaotian Cai
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Yabing Ye
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Xuan Wan
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Jun Liu
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Shihui Yang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Yonghui Xia
- Zhuzhou Institute for Food and Drug Control, Zhuzhou 412000, China.
| | - Guangli Li
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
| | - Quanguo He
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China.
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16
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Wijemanne N, Soysa P, Wijesundara S, Perera H. Development and Validation of a Simple High Performance Liquid Chromatography/UV Method for Simultaneous Determination of Urinary Uric Acid, Hypoxanthine, and Creatinine in Human Urine. Int J Anal Chem 2018; 2018:1647923. [PMID: 29861732 PMCID: PMC5976939 DOI: 10.1155/2018/1647923] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/03/2018] [Accepted: 02/08/2018] [Indexed: 02/05/2023] Open
Abstract
Uric acid and hypoxanthine are produced in the catabolism of purine. Abnormal urinary levels of these products are associated with many diseases and therefore it is necessary to have a simple and rapid method to detect them. Hence, we report a simple reverse phase high performance liquid chromatography (HPLC/UV) technique, developed and validated for simultaneous analysis of uric acid, hypoxanthine, and creatinine in human urine. Urine was diluted appropriately and eluted with C-18 column 100 mm × 4.6 mm with a C-18 precolumn 25 mm × 4.6 mm in series. Potassium phosphate buffer (20 mM, pH 7.25) at a flow rate of 0.40 mL/min was employed as the solvent and peaks were detected at 235 nm. Tyrosine was used as the internal standard. The experimental conditions offered a good separation of analytes without interference of endogenous substances. The calibration curves were linear for all test compounds with a regression coefficient, r2 > 0.99. Uric acid, creatinine, tyrosine, and hypoxanthine were eluted at 5.2, 6.1, 7.2, and 8.3 min, respectively. Intraday and interday variability were less than 4.6% for all the analytes investigated and the recovery ranged from 98 to 102%. The proposed HPLC procedure is a simple, rapid, and low cost method with high accuracy with minimum use of organic solvents. This method was successfully applied for the determination of creatinine, hypoxanthine, and uric acid in human urine.
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Affiliation(s)
- Nimanthi Wijemanne
- Department Biochemistry and Molecular Biology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Preethi Soysa
- Department Biochemistry and Molecular Biology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Sulochana Wijesundara
- Department Biochemistry and Molecular Biology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Hemamali Perera
- Department of Psychological Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
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17
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Simultaneous determination of renal function biomarkers in urine using a validated paper-based microfluidic analytical device. Anal Chim Acta 2018; 997:16-23. [DOI: 10.1016/j.aca.2017.10.018] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 09/27/2017] [Accepted: 10/19/2017] [Indexed: 01/23/2023]
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18
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Au-Pt bimetallic nanoparticles decorated on sulfonated nitrogen sulfur co-doped graphene for simultaneous determination of dopamine and uric acid. Talanta 2017; 178:315-323. [PMID: 29136829 DOI: 10.1016/j.talanta.2017.09.047] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Revised: 09/13/2017] [Accepted: 09/16/2017] [Indexed: 11/24/2022]
Abstract
In this work, a novel nanohybrid (AuPtNPs/S-NS-GR) of well-defined Au-Pt bimetallic nanoparticles (Au-PtNPs) decorated on sulfonated nitrogen sulfur co-doped graphene (S-NS-GR) was developed. Firstly, nitrogen sulfur co-doped graphene (NS-GR) was synthesized by one-step thermal annealing method. Secondly, phenyl SO3H- group was introduced onto the surface of NS-GR via diazotization reaction, which could provide more binding sites for the formation of metal nanoparticles. Finally, Au-Pt bimetallic nanoparticles were anchored on the surface of S-NS-GR by using electrochemical deposition. The prepared material was characterized by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDS), Raman spectroscopy and electrochemical impedance spectra (EIS). In addition, the electrocatalytic activity towards dopamine (DA) and uric acid (UA) was systematically studied by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) techniques. Under optimum conditions, the linear ranges for the detection of DA and UA were 1.0×10-8 - 4.0×10-4 M and 1.0×10-6 - 1.0×10-3 M with the limits of detection (LOD, S/N = 3) of 0.006μM and 0.038μM, respectively. Furthermore, the modified electrode was applied to real sample analysis.
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19
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Uric acid in plants and microorganisms: Biological applications and genetics - A review. J Adv Res 2017; 8:475-486. [PMID: 28748114 PMCID: PMC5512154 DOI: 10.1016/j.jare.2017.05.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 05/07/2017] [Accepted: 05/08/2017] [Indexed: 11/23/2022] Open
Abstract
Uric acid increased accumulation and/or reduced excretion in human bodies is closely related to pathogenesis of gout and hyperuricemia. It is highly affected by the high intake of food rich in purine. Uric acid is present in both higher plants and microorganisms with species dependent concentration. Urate-degrading enzymes are found both in plants and microorganisms but the mechanisms by which plant degrade uric acid was found to be different among them. Higher plants produce various metabolites which could inhibit xanthine oxidase and xanthine oxidoreductase, so prohibit the oxidation of hypoxanthine to xanthine then to uric acid in the purine metabolism. However, microorganisms produce group of degrading enzymes uricase, allantoinase, allantoicase and urease, which catalyze the degradation of uric acid to the ammonia. In humans, researchers found that several mutations caused a pseudogenization (silencing) of the uricase gene in ancestral apes which exist as an insoluble crystalloid in peroxisomes. This is in contrast to microorganisms in which uricases are soluble and exist either in cytoplasm or peroxisomes. Moreover, many recombinant uricases with higher activity than the wild type uricases could be induced successfully in many microorganisms. The present review deals with the occurrence of uric acid in plants and other organisms specially microorganisms in addition to the mechanisms by which plant extracts, metabolites and enzymes could reduce uric acid in blood. The genetic and genes encoding for uric acid in plants and microorganisms are also presented.
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20
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Zhang Y, Lei W, Xu Y, Xia X, Hao Q. Simultaneous Detection of Dopamine and Uric Acid Using a Poly(l-lysine)/Graphene Oxide Modified Electrode. NANOMATERIALS (BASEL, SWITZERLAND) 2016; 6:E178. [PMID: 28335305 PMCID: PMC5245187 DOI: 10.3390/nano6100178] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 09/04/2016] [Accepted: 09/12/2016] [Indexed: 11/25/2022]
Abstract
A novel, simple and selective electrochemical method was investigated for the simultaneous detection of dopamine (DA) and uric acid (UA) on a poly(l-lysine)/graphene oxide (GO) modified glassy carbon electrode (PLL/GO/GCE) by differential pulse voltammetry (DPV). The electrochemically prepared PLL/GO sensory platform toward the oxidation of UA and DA exhibited several advantages, including high effective surface area, more active sites and enhanced electrochemical activity. Compared to the PLL-modified GCE (PLL/GCE), GO-modified GCE and bare GCE, the PLL/GO/GCE exhibited an increase in the anodic potential difference and a remarkable enhancement in the current responses for both UA and DA. For the simultaneous detection of DA and UA, the detection limits of 0.021 and 0.074 μM were obtained, while 0.031 and 0.018 μM were obtained as the detection limits for the selective detection of UA and DA, using DPV in the linear concentration ranges of 0.5 to 20.0 and 0.5 to 35 μM, respectively. In addition, the PLL/GO/GCE demonstrated good reproducibility, long-term stability, excellent selectivity and negligible interference of ascorbic acid (AA). The proposed modified electrode was successfully implemented in the simultaneous detection of DA and UA in human blood serum, urine and dopamine hydrochloride injection with satisfactory results.
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Affiliation(s)
- Yuehua Zhang
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226007, China.
| | - Wu Lei
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Yujuan Xu
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Xifeng Xia
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Qingli Hao
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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21
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Li XL, Shi Q, Jin W, Li G, Todoroki K, Mizuno H, Toyo'oka T, Min JZ. Uric acid quantification in fingernail of gout patients and healthy volunteers using HPLC-UV. Biomed Chromatogr 2016; 30:1338-42. [PMID: 26787501 DOI: 10.1002/bmc.3687] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 11/30/2015] [Accepted: 12/25/2015] [Indexed: 02/06/2023]
Abstract
The presence of elevated uric acid (UA) levels is a sign of gout, that is, hyperuricemia. In this study the monitoring of the UA levels in less-invasive biological samples, such as the human fingernail, is suggested for the diagnosis and therapy of gout. Twenty-six healthy volunteers (HV) and 22 gout patients (GP) were studied. The UA was extracted from human fingernail samples, then separated on an Inertsil ODS-3 column (250 × 4.6 mm i.d., 4.0 μm, GL Sciences) by isocratic elution using methanol-74 mm phosphate buffer (pH 2.2) 2:98 (v/v). A UV detector was used to monitor the samples at 284 nm. Using the developed method, different UA concentrations were found in the GP and HV. When comparing the concentrations from GP with those from HV, a statistically significant correlation was observed between the UA (p < 0.01). In this study, the UA was confirmed as a potential biomarker for the diagnosis and therapy of gout. We have developed a novel sensitive, and simple method for the determination of UA in the fingernails of GP and HV. The human fingernail may serve as a noninvasive biosample for the diagnosis of gout. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Xi-Ling Li
- Key Laboratory for Natural Resource of Changbai Mountain and Functional Molecules, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Qing Shi
- Department of Pharmacy, Affiliated Western Hospital, Yanbian University, Department of Endocrinology, Affiliated Hospital of Yanbian University, Yanji, 133000, Jilin, Province, China
| | - Wenlong Jin
- Department of Pharmacy, Affiliated Western Hospital, Yanbian University, Department of Endocrinology, Affiliated Hospital of Yanbian University, Yanji, 133000, Jilin, Province, China
| | - Gao Li
- Key Laboratory for Natural Resource of Changbai Mountain and Functional Molecules, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Kenichiro Todoroki
- Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Hajime Mizuno
- Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Toshimasa Toyo'oka
- Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Jun Zhe Min
- Key Laboratory for Natural Resource of Changbai Mountain and Functional Molecules, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.,Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
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22
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Hossain MF, Park JY. Novel enzymatic glucose biosensor based on distributed electrodes covered with a solvothermal synthesized graphene material and platinum nanoparticles. RSC Adv 2016. [DOI: 10.1039/c6ra10734f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Series connected distributed sensing electrode patterned with TRGO decorated platinum nanoparticles is a good platform for enzymatic glucose sensor.
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Affiliation(s)
- M. F. Hossain
- Department of Electronic Engineering
- Micro/Nano Devices & Packaging Lab
- Kwangwoon University
- Seoul
- Republic of Korea
| | - J. Y. Park
- Department of Electronic Engineering
- Micro/Nano Devices & Packaging Lab
- Kwangwoon University
- Seoul
- Republic of Korea
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23
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Za'abi MA, Ali BH, ALOthman ZA, Ali I. Analyses of acute kidney injury biomarkers by ultra-high performance liquid chromatography with mass spectrometry. J Sep Sci 2015; 39:69-82. [DOI: 10.1002/jssc.201500982] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 09/17/2015] [Accepted: 09/18/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Mohammed Al Za'abi
- Department of Pharmacology and Clinical Pharmacy, College of Medicine and Health, Sciences; Sultan Qaboos University; Muscat Sultanate of Oman
| | - Badreldin H. Ali
- Department of Pharmacology and Clinical Pharmacy, College of Medicine and Health, Sciences; Sultan Qaboos University; Muscat Sultanate of Oman
| | - Zeid A. ALOthman
- Department of Chemistry, College of Science; King Saud University; Riyadh Kingdom of Saudi Arabia
| | - Imran Ali
- Department of Chemistry; Jamia Millia Islamia (Central University); New Delhi India
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