Highly sensitive GC/MS/MS method for quantitation of amino and nonamino organic acids

HFN Kvitvang, T Andreassen, T Adam… - Analytical …, 2011 - ACS Publications
… based on GC/MS/MS and the use of isotopically labeled MCF derivatization agents and
apply this novel method for profiling of amino acid and nonamino organic acid containing …

GC-MS analysis of organic acids in human urine in clinical settings: a study of derivatization and other analytical parameters

C Christou, HG Gika, N Raikos… - Journal of chromatography …, 2014 - Elsevier
… ten free organic acids by GC-MS are studied with the aim to establish a method for
organic acid … Studies included the GC-MS method development, the derivatization (trimethylsilylation) …

[HTML][HTML] Alkylation or silylation for analysis of amino and non-amino organic acids by GC-MS?

SG Villas-Bôas, KF Smart, S Sivakumaran, GA Lane - Metabolites, 2011 - mdpi.com
… by GC and GC-MS [1,2,10-12]. This method is primarily used for derivatization of polyfunctional
amines and organic acids, … the GC-MS analysis of over a hundred amino and non-amino …

Selective screening for organic acidemias by urine organic acid GCMS analysis in Brazil: Fifteen-year experience

M Wajner, D de Moura Coelho, R Ingrassia… - Clinica Chimica …, 2009 - Elsevier
… During January 1994 to July 2008, we analyzed organic acids by GC/MS in urine
specimens obtained from Brazilian children with clinical suspicion of metabolic diseases. …

[HTML][HTML] Analysis of organic acids of tricarboxylic acid cycle in plants using GC-MS, and system modeling

V Kumar, A Sharma, R Bhardwaj… - Journal of Analytical …, 2017 - Springer
… -mass spectrometry (GC-MS) was used to determine the content of organic acids in the leaves
… the GC-MS, and the concentration of organic acids was quantified using standard curve. …

Identification of organic acids and quantification of dicarboxylic acids in bayer process liquors by GCMS

JB Xiao - Chromatographia, 2007 - Springer
… of identification of organic acids in Bayer liquors [11-30]; these results were helpful for
identification of organic acids in Bayer liquors in this work. Nine dicarboxylic acids were found …

GC-MS profiling of urinary organic acids evaluated as a quantitative method

P Duez, A Kumps, Y Mardens - Clinical chemistry, 1996 - academic.oup.com
We assessed the quantitative performances of a classical method for profiling urinary
organic acids: ethyl acetate extraction/oxime-trimethylsilyl derivatization/GC-MS. Twenty-seven …

Clinical onset and prognosis of Asian children with organic acidemias, as detected by analysis of urinary organic acids using GC/MS, instead of mass screening

D Hori, Y Hasegawa, M Kimura, Y Yang, IC Verma… - Brain and …, 2005 - Elsevier
… Most OA patients were detected by GC/MS analysis after becoming symptomatic, although …
newborn mass screening using MS/MS. We also analyzed urinary organic acids to detect OAs …

PCI-GCMSMS approach for identification of non-amino organic acid and amino acid profiles

H Luan, L Yang, F Ji, Z Cai - Journal of Chromatography B, 2017 - Elsevier
… strategy based on PCI-GCMSMS for determination of non-amino organic acids and
amino acids, as well as the short chain fatty acids. Carboxylic acid and amino group could be …

Developmental changes of carbohydrates, organic acids, amino acids, and phenolic compounds in 'Honeycrisp'apple flesh

Y Zhang, P Li, L Cheng - Food Chemistry, 2010 - Elsevier
… Metabolites were identified by comparing fragmentation patterns with those in a mass
spectral library generated on our GC/MS system and an annotated quadrupole GCMS spectral …