Search results
- 1.0458358 - BC 2017 RIV NL eng J - Journal Article
Hušek, Petr - Švagera, Z. - Hanzlíková, D. - Řimnáčová, Lucie - Zahradníčková, Helena - Opekarová, Iva - Šimek, Petr
Profiling of urinary amino-carboxylic metabolites by in-situ heptafluorobutyl chloroformate mediated sample preparation and gas chromatography-mass spectrometry.
Journal of Chromatography A. Roč. 1443, April 22 (2016), s. 211-232. ISSN 0021-9673. E-ISSN 1873-3778
R&D Projects: GA ČR GA13-18509S
Institutional support: RVO:60077344
Keywords : metabolite profiling * metabolomics * urine
Subject RIV: CE - Biochemistry
Impact factor: 3.981, year: 2016
http://www.sciencedirect.com/science/article/pii/S0021967316302692
Permanent Link: http://hdl.handle.net/11104/0258630 - 2.0428661 - BC 2015 RIV NL eng J - Journal Article
Řimnáčová, Lucie - Hušek, Petr - Šimek, Petr
A new method for immediate derivatization of hydroxyl groups by fluoroalkyl chloroformates and its application for the determination of sterols and tocopherols in human serum and amniotic fluid by gas chromatography-mass spectrometry.
Journal of Chromatography A. Roč. 1339, APR 25 (2014), s. 154-167. ISSN 0021-9673. E-ISSN 1873-3778
R&D Projects: GA MZd(CZ) NT11513
Grant - others:Czech Science Foundation(CZ) P206-10-2401; Grant Agency of Charles University(CZ) 54009
Institutional support: RVO:60077344
Keywords : alkyl chlorformate derivatization * steroid hydroxyl group * liquid-liquid microextraction
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 4.169, year: 2014
http://www.sciencedirect.com/science/article/pii/S0021967314003707
Permanent Link: http://hdl.handle.net/11104/0234292 - 3.0379791 - BC 2013 DE eng J - Journal Article
Hušek, Petr
Letter to the Editor regarding “GC–MS with ethyl chloroformate derivatization for comprehensive analysis of metabolites in serum and its application to human uremia”.
Analytical and Bioanalytical Chemistry. Roč. 403, č. 9 (2012), s. 2785-2786. ISSN 1618-2642. E-ISSN 1618-2650
Institutional support: RVO:60077344
Keywords : human uremia
Impact factor: 3.659, year: 2012
http://www.springerlink.com/content/m6u818gg70148g74/fulltext.pdf
Permanent Link: http://hdl.handle.net/11104/0210667 - 4.0377579 - BC 2013 RIV NL eng J - Journal Article
Hušek, Petr - Švagera, Z. - Hanzlíková, D. - Šimek, Petr
Survey of several methods deproteinizing human plasma before and within the chloroformate-mediated treatment of amino/carboxylic acids quantitated by gas chromatography.
Journal of Pharmaceutical and Biomedical Analysis. 67-68, AUG-SEP (2012), s. 159-162. ISSN 0731-7085. E-ISSN 1873-264X
R&D Projects: GA MZd NS9755; GA ČR GAP206/10/2401
Institutional research plan: CEZ:AV0Z50070508
Keywords : plasma (lipo)protein precipitation * chloroformate-treated supernatant * S-amino acids
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 2.947, year: 2012
http://www.sciencedirect.com/science/article/pii/S0731708512002245
Permanent Link: http://hdl.handle.net/11104/0209700 - 5.0376118 - BC 2013 RIV DE eng J - Journal Article
Švagera, Z. - Hanzlíková, D. - Šimek, Petr - Hušek, Petr
Study of disulfide reduction and alkyl chloroformate derivatization of plasma sulfur amino acids using gas chromatography–mass spectrometry.
Analytical and Bioanalytical Chemistry. Roč. 402, č. 9 (2012), s. 2953-2963. ISSN 1618-2642. E-ISSN 1618-2650
R&D Projects: GA MZd NS9755; GA ČR GAP206/10/2401; GA ČR GA203/09/2014
Institutional research plan: CEZ:AV0Z50070508
Keywords : plasma amino acids * disulfide-reducing agents * trichloroacetic acid deproteinization
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 3.659, year: 2012
http://www.springerlink.com/content/781wln3085q3v21r/
Permanent Link: http://hdl.handle.net/11104/0208610 - 6.0375767 - BC 2012 RIV GB eng J - Journal Article
Cimlová, Jana - Kružberská, Pavla - Švagera, Z. - Hušek, Petr - Šimek, Petr
In situ derivatization-liquid liquid extraction as a sample preparation strategy for the determination of urinary biomarker prolyl-4-hydroxyproline by liquid chromatography-tandem mass spectrometry.
Journal of Mass Spectrometry. Roč. 47, č. 3 (2012), s. 294-302. ISSN 1076-5174. E-ISSN 1096-9888
R&D Projects: GA ČR GA203/09/2014; GA MZd NS9755; GA MŠMT 7F09028
Institutional research plan: CEZ:AV0Z50070508
Keywords : alkyl chloroformate derivatization * liquid liquid extraction * urine
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 3.214, year: 2012
http://onlinelibrary.wiley.com/doi/10.1002/jms.2952/full
Permanent Link: http://hdl.handle.net/11104/0208339 - 7.0335962 - BC 2010 RIV DE eng J - Journal Article
Zahradníčková, Helena - Hušek, Petr - Šimek, Petr
GC separation of amino acid enantiomers via derivatization with heptafluorobutyl chloroformate and Chirasil-L-Val column.
Journal of Separation Science. Roč. 32, č. 22 (2009), s. 3919-3924. ISSN 1615-9306. E-ISSN 1615-9314
R&D Projects: GA ČR GA203/09/2014
Institutional research plan: CEZ:AV0Z50070508
Keywords : chiral separation * derivatization * D,L-AAs
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 2.551, year: 2009
Permanent Link: http://hdl.handle.net/11104/0180302 - 8.0326361 - BC 2010 RIV DE eng J - Journal Article
Hušek, Petr - Švagera, Z. - Všianský, F. - Franeková, J. - Šimek, Petr
Prolyl-hydroxyproline dipeptide in non-hydrolyzed morning urine and its value in postmenopausal osteoporosis.
[Dipeptid prolyl-hydroxyprolin v nehydrolyzované ranní moči a jeho význam v postmenopauzální osteoporóze.]
Clinical Chemistry and Laboratory Medicine. Roč. 46, č. 10 (2008), s. 1391-1397. ISSN 1434-6621. E-ISSN 1437-4331
R&D Projects: GA MZd NR8948
Institutional research plan: CEZ:AV0Z50070508
Keywords : alendronate therapy * diet-related effects * osteopathies and osteomarkers
Subject RIV: FB - Endocrinology, Diabetology, Metabolism, Nutrition
Impact factor: 1.888, year: 2008
Permanent Link: http://hdl.handle.net/11104/0173487 - 9.0310855 - BC 2009 RIV NL eng J - Journal Article
Zahradníčková, Helena - Hartvich, Petr - Šimek, Petr - Hušek, Petr
Gas chromatographic analysis of amino acid enantiomers in Carbetocin peptide hydrolysates after fast derivatization with pentafluoropropyl chloroformate.
[Analýza enantiomerů aminokyselin v peptidu Carbetocinu plynovou chromatografií po derivatizaci pentafluorpropylchlormravenčanem.]
Amino Acids. Roč. 35, č. 2 (2008), s. 445-450. ISSN 0939-4451. E-ISSN 1438-2199
R&D Projects: GA ČR GA203/04/0192; GA ČR GA303/06/1674
Institutional research plan: CEZ:AV0Z50070508
Keywords : D,L-amino acids * peptides * chloroformates
Subject RIV: CC - Organic Chemistry
Impact factor: 4.132, year: 2008
Permanent Link: http://hdl.handle.net/11104/0162605 - 10.0310218 - BC 2009 RIV US eng J - Journal Article
Šimek, Petr - Hušek, Petr - Zahradníčková, Helena
Gas chromatographic-mass spectrometric analysis of biomarkers related to folate and cobalamin status in human serum after dimercaptopropanesulfonate reduction and heptafluorobutyl chloroformate derivatization.
[Analýza biomarkrů folátového a kobalaminového stavu v lidském séru po redukci dimerkaptopropansulfonátem a derivatizaci heptafluorobutylchlormravenčanem plynovou chromatografií s hmotnostní detekcí.]
Analytical Chemistry. Roč. 80, č. 15 (2008), s. 5776-5782. ISSN 0003-2700. E-ISSN 1520-6882
R&D Projects: GA ČR GA303/06/1674
Institutional research plan: CEZ:AV0Z50070508
Keywords : biomarkers * gas chromatographic * chloroformate derivatization
Subject RIV: CB - Analytical Chemistry, Separation
Impact factor: 5.712, year: 2008
Permanent Link: http://hdl.handle.net/11104/0162152