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A one-step NIST traceable HPLC method for quantitation of vitamin B6 and 4-pyridoxic acid in human plasma

• Authors : Xiaochun Zhang; Xiaoying Tang; Thomas M. Daly

Subjects: Vitamin B6; Pyridoxal 5-phosphate; 4-Pyridoxic acid

• Source: Practical Laboratory Medicine, Vol 21, Iss , Pp e00160- (2020)

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4-Pyridoxic Acid/Pyridoxine Ratio in Patients with Type 2 Diabetes is Related to Global Cardiovascular Risk Scores

• Authors : Rima Obeid; Juergen Geisel; Wilfred A. Nix

Subjects: diabetes; vitamin deficiency; vitamin B6 catabolism

• Source: Diagnostics, Vol 9, Iss 1, p 28 (2019)

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Development of 4-Pyridoxic Acid PBPK Model to Support Biomarker- Informed Evaluation of OAT1/3 Inhibition and Effect of Chronic Kidney Disease

• Authors : Tan, Shawn pei feng; Willemin, Marie‐emilie; Snoeys, Jan

Subjects: Drug-drug interaction; Endogenous Biomarker; Chronic Kidney Disease

• Source: Tan , S P F , Willemin , M , Snoeys , J , Shen , H , Rostami‐hodjegan , A , Scotcher , D & Galetin , A 2023 , ' Development of 4-Pyridoxic

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Determination of pyridoxal, pyridoxal 5'-phosphate and 4-pyridoxic acid in plasma of selected groups of the patients with a view to proper sample preparation using HPLC with fluorescence detection

• Authors : Kanďár, Roman; Žáková, Pavla

Subjects: Article

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4-Pyridoxic Acid/Pyridoxine Ratio in Patients with Type 2 Diabetes is Related to Global Cardiovascular Risk Scores

• Authors : Obeid, Rima; Geisel, Jürgen; Nix, Wilfred A.

Subjects: ddc:610; diabetes; vitamin deficiency

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Topology of 4-Pyridoxic acid dehydrogenase in transformed Escherichia coli cells.

• Authors : Fei Ge¹; Toshiharu Yagi¹

Subjects: *DEHYDROGENASES; *ESCHERICHIA coli; *CELL membranes

• Source: Journal of Biochemistry. Feb2010, Vol. 147 Issue 2, p291-295. 5p. 2 Diagrams, 3 Charts.

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Gene Identification and Characterization of the Pyridoxine Degradative Enzyme 4-Pyridoxic Acid Dehydrogenase from the Nitrogen-fixing Symbiotic Bacterium Mesorhizobium loti MAFF303099†.

• Authors : Ge, Fei¹; Yokochi, Nana¹; Yoshikane, Yu¹

Subjects: *BIOCHEMISTRY; *NITROGEN fixation; *DEHYDROGENASES

• Source: Journal of Biochemistry. May2008, Vol. 143 Issue 5, p603-609. 7p.

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4-Pyridoxic Acid in the Spent Dialysate: Contribution to Fluorescence and Optical Monitoring.

• Authors : Kalle, Sigrid¹ ; Tanner, Risto¹; Arund, Jürgen¹

Subjects: *PICOLINIC acid; *FLUORESCENCE; *VITAMIN B6

• Source: PLoS ONE. 9/6/2016, Vol. 11 Issue 9, p1-11. 11p.

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Validation of HPLC-UV Method for Analysis of 4-Pyridoxic Acid in Human Urine

• Authors : Mohammad Shawaqfeh; Wenchen Zhao; Suhaib Muflih

Subjects: lcsh:R5-920; Vitamin B6; Validation

• Source: International Journal of Medical Research and Health Sciences, Vol 6, Iss 12, Pp 100-104 (2017)

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Urinary total flavonoid excretion but not 4-pyridoxic acid or potassium can be used as a biomarker for the intake of fruits and vegetables

• Authors : Krogholm, Kirstine Suszkiewicz; Haraldsdottir, J.; Knuthsen, Pia

Subjects: article

• Source: Krogholm , K S , Haraldsdottir , J , Knuthsen , P & Rasmussen , S E 2004 , ' Urinary total flavonoid excretion but not 4-pyridoxic acid or

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