GC–MS analysis of 4-hydroxyproline: elevated proline hydroxylation in metformin-associated lactic acidosis and metformin-treated Becker muscular dystrophy patients

Authors: Svetlana Baskal, Rene A. Posma, Alexander Bollenbach, Willem Dieperink, Stephan J. L. Bakker, Maarten W. Nijsten, Daan J. Touw, Dimitrios Tsikas

Source: Amino Acids, Vol 56, Iss 1, Pp 1-15 (2024)

Subject Terms: Amino acids, BMD, Dialysis, GC–MS, 4-Hydroxyproline, Intoxication, Biochemistry, QD415-436, Biology (General), QH301-705.5

File Description: electronic resource

Relation: https://doaj.org/toc/1438-2199

Access URL: https://doaj.org/article/88c742db65bf41abae3835a9c3d64df4

Arginine metabolism and nitric oxide turnover in the ZSF1 animal model for heart failure with preserved ejection fraction

Authors: Petra Büttner, Sarah Werner, Svetlana Baskal, Dimitrios Tsikas, Volker Adams, Philipp Lurz, Christian Besler, Sarah Knauth, Martin Bahls, Edzard Schwedhelm, Holger Thiele

Source: Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/1de28feb06c2497da914d3bc3ed76824

Pentafluoropropionic Anhydride Derivatization and GC-MS Analysis of Histamine, Agmatine, Putrescine, and Spermidine: Effects of Solvents and Starting Column Temperature

Authors: Dimitrios Tsikas, Bibiana Beckmann, Svetlana Baskal, Gorig Brunner

Source: Molecules, Vol 28, Iss 3, p 939 (2023)

Subject Terms: acylation, amidation, amines, biogenic amines, derivatization, GC-MS, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://www.mdpi.com/1420-3049/28/3/939; https://doaj.org/toc/1420-3049

Access URL: https://doaj.org/article/65249d48cc2249be84431c8a0c2eaba8

Unusual Derivatization of Methylmalonic Acid with Pentafluorobenzyl Bromide to a Tripentafluorobenzyl Derivative and Its Stable-Isotope Dilution GC-MS Measurement in Human Urine

Authors: Alexander Bollenbach, Svetlana Baskal, Catharina Mels, Ruan Kruger, Dimitrios Tsikas

Source: Molecules, Vol 27, Iss 16, p 5202 (2022)

Subject Terms: alkylation, base, C-H acidity, dicarboxylic acids, ethnicity, esterification, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://www.mdpi.com/1420-3049/27/16/5202; https://doaj.org/toc/1420-3049

Access URL: https://doaj.org/article/4e1cdebb73f74cc69253530abbb1635e

Stable-Isotope Dilution GC–MS Measurement of Metformin in Human Serum and Urine after Derivatization with Pentafluoropropionic Anhydride and Its Application in Becker Muscular Dystrophy Patients Administered with Metformin, l-Citrulline, or Their Combination

Authors: Svetlana Baskal, Alexander Bollenbach, Bettina Henzi, Patricia Hafner, Dirk Fischer, Dimitrios Tsikas

Source: Molecules, Vol 27, Iss 12, p 3850 (2022)

Subject Terms: derivatization, metformin, GC–MS, pentafluoropropionic anhydride, serum, stability, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://www.mdpi.com/1420-3049/27/12/3850; https://doaj.org/toc/1420-3049

Access URL: https://doaj.org/article/b7e4738e916a4d7e8c72c03f953a0dd6

ERK and ROCK functionally interact in a signaling network that is compensationally upregulated in Spinal Muscular Atrophy

Authors: Niko Hensel, Svetlana Baskal, Lisa Marie Walter, Hella Brinkmann, Manuela Gernert, Peter Claus

Source: Neurobiology of Disease, Vol 108, Iss , Pp 352-361 (2017)

Subject Terms: Spinal Muscular Atrophy, Motoneuron disease, Signaling, Rho kinase, ERK, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S0969996117302152; https://doaj.org/toc/1095-953X

Access URL: https://doaj.org/article/5753b7c189d14319b5f806d2343fe651

GC-MS Discrimination of Citrulline from Ornithine and Homocitrulline from Lysine by Chemical Derivatization: Evidence of Formation of N5-Carboxy-ornithine and N6-Carboxy-lysine

Authors: Svetlana Baskal, Alexander Bollenbach, Dimitrios Tsikas

Source: Molecules, Vol 26, Iss 8, p 2301 (2021)

Subject Terms: amino acids, derivatization, esterification, GC-MS, pentafluoropropionic anhydride, ureide, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://www.mdpi.com/1420-3049/26/8/2301; https://doaj.org/toc/1420-3049

Access URL: https://doaj.org/article/b920d1ddac694ef6b8caec4cadaf0a9e

Two-Step Derivatization of Amino Acids for Stable-Isotope Dilution GC–MS Analysis: Long-Term Stability of Methyl Ester-Pentafluoropropionic Derivatives in Toluene Extracts

Authors: Svetlana Baskal, Alexander Bollenbach, Dimitrios Tsikas

Source: Molecules, Vol 26, Iss 6, p 1726 (2021)

Subject Terms: amino acids, derivatization, esterification, GC–MS, pentafluoropropionic anhydride, stability, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://www.mdpi.com/1420-3049/26/6/1726; https://doaj.org/toc/1420-3049

Access URL: https://doaj.org/article/3e9a93356e2842e8ac2ff68485321388