2004
DOI: 10.1016/j.jchromb.2003.10.068
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Analytical derivatization–a tool for determination of orotic acid

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Cited by 14 publications
(3 citation statements)
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“…The combination of these techniques is best suited to cover a very large part of the urine metabolome by enabling the detection of both lipophilic and hydrophilic metabolites present in urine [54]. Apart from the global metabolite profiling, GC/MS has been successfully utilized in analysis of specific class of metabolites in urine [55][56][57][58]. In one study, GC/MS based metabonomics has been applied to identify differences in urinary metabolic profiles between healthy subjects and type 2 diabetes patients [12].…”
Section: Applications Of Gc/ms In Urinary Metabolic Profilingmentioning
confidence: 99%
“…The combination of these techniques is best suited to cover a very large part of the urine metabolome by enabling the detection of both lipophilic and hydrophilic metabolites present in urine [54]. Apart from the global metabolite profiling, GC/MS has been successfully utilized in analysis of specific class of metabolites in urine [55][56][57][58]. In one study, GC/MS based metabonomics has been applied to identify differences in urinary metabolic profiles between healthy subjects and type 2 diabetes patients [12].…”
Section: Applications Of Gc/ms In Urinary Metabolic Profilingmentioning
confidence: 99%
“…Biyolojik örneklerde orotik asitin ölçülmesi zordur ve genellikle ileri aletli analiz teknikleri gerektirir. Analiz için kullanılan analitik yöntemler, yüksek basınçlı sıvı kromatografisi (HPLC) [11,12], sıvı kromatografisi ardıĢık kütle spektrometresi (LC/MS/MS) [13][14][15], gaz kromatografisi kütle spektrometresi (GC/MS) [16], kapiler zon elektroforez ultraviyole dedektör (CZE-UV) [17,18], spektrofotometre ve spektroflorometre [19] olarak bildirilmiĢtir. Bu analitik araçlar ileri teknoloji ürünleri olsa da pahalı olmaları, uzun analiz sürelerine sahip olmaları, türevlendirmeye ihtiyaç duymaları, kullanılan organik maddelerin ve ön ayrıĢtırma iĢleminin uzun olması ve oluĢturdukları atıkların toksik olması gibi olumsuzlukları vardır.…”
Section: Introductionunclassified
“…Its application has been widely reported, and it has also been used for the analysis of 5-FU in human plasma by LC-MS/MS with a lower limit of quantification (LLOQ) of 5 ng/ml [21][22][23][24][25][26]. Methylation with diazomethane (CH 2 N 2 ) has been mostly used for the determination of acids by GC/MS [27][28][29].…”
Section: Introductionmentioning
confidence: 99%