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Determination of urinary retinol and creatinine as an early sensitive marker of renal dysfunction
K. Kučerová, LK. Krčmová, Z. Mikanová, L. Matysová, B. Melichar, F. Švec,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články
- MeSH
- biologické markery moč MeSH
- kalibrace MeSH
- kreatinin chemie moč MeSH
- ledviny patofyziologie MeSH
- lidé MeSH
- referenční standardy MeSH
- reprodukovatelnost výsledků MeSH
- rozpouštědla MeSH
- vitamin A chemie moč MeSH
- vysokoúčinná kapalinová chromatografie metody MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
Determination of urinary retinol, which is a new promising early biomarker of renal damage typically expressed in the clinical environment as retinol/creatinine ratio, is currently difficult to accomplish. We have developed and validated the new ultra-high-performance liquid chromatography method with UV and mass spectrometry detection for the separation and quantification of retinol and creatinine in human urine in a single run. The separation of these two substances with completely different physicochemical properties was achieved using a column packed with fluorinated stationary phase and acetonitrile and aqueous ammonium formate buffer as the mobile phases. The separation was completed within 4 min. Our new method involves very fast and simple sample preparation requiring small amount of sample matrix and solvents. Deuterium labeled internal standard was used for the more precise quantification. The method was tested with real-life samples using urine collected from patients suffering from breast, colorectal, head, and neck cancer.
Citace poskytuje Crossref.org
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- $a Kučerová, Kateřina $u The Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 50005 Hradec Králové, Czech Republic; The Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Sokolská 581, 50005 Hradec Králové, Czech Republic.
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- $a Determination of urinary retinol and creatinine as an early sensitive marker of renal dysfunction / $c K. Kučerová, LK. Krčmová, Z. Mikanová, L. Matysová, B. Melichar, F. Švec,
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- $a Determination of urinary retinol, which is a new promising early biomarker of renal damage typically expressed in the clinical environment as retinol/creatinine ratio, is currently difficult to accomplish. We have developed and validated the new ultra-high-performance liquid chromatography method with UV and mass spectrometry detection for the separation and quantification of retinol and creatinine in human urine in a single run. The separation of these two substances with completely different physicochemical properties was achieved using a column packed with fluorinated stationary phase and acetonitrile and aqueous ammonium formate buffer as the mobile phases. The separation was completed within 4 min. Our new method involves very fast and simple sample preparation requiring small amount of sample matrix and solvents. Deuterium labeled internal standard was used for the more precise quantification. The method was tested with real-life samples using urine collected from patients suffering from breast, colorectal, head, and neck cancer.
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- $a Krčmová, Lenka Kujovská $u The Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 50005 Hradec Králové, Czech Republic; The Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Sokolská 581, 50005 Hradec Králové, Czech Republic. Electronic address: LenkaKrcmova@seznam.cz.
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- $a Mikanová, Zuzana $u The Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 50005 Hradec Králové, Czech Republic.
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- $a Matysová, Ludmila $u The Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 50005 Hradec Králové, Czech Republic.
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- $a Melichar, Bohuslav $u The Department of Oncology, Palacký University Olomouc, Faculty of Medicine and Dentistry, I.P. Pavlova 6, 779 00 Olomouc, Czech Republic.
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- $a Švec, Frantisek $u The Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 50005 Hradec Králové, Czech Republic.
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