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  1. No Access

    Article

    Determination of Endogenous Formaldehyde in Plants (Fruits) Bound to L-Arginine and its Relation to the Folate Cycle, Photosynthesis and Apoptosis

    A very powerful nucleophilic reagent, hydralazine(l-hydrazino-phtalazine) proved to be suitable for determination of the endogenous formaldehyde level in biological samples. It was found that in different plan...

    Dr. L. Trézl, L. Hullán, T. Szarvas, A. Csiba, B. Szende in Acta Biologica Hungarica (1998)

  2. No Access

    Article

    The Hydrazine Derivative Aminoguanidine Inhibits the Reaction of Tetrahydrofolic Acid with Hydroxymethylarginine Biomolecule

    Aminoguanidine (AG), a hydrazine derivative is known to inhibit the formation of Advanced Glycosylation Endproducts (AGE) and AG has been proposed as an agent in prophylaxis of diabetic complications. However,...

    Dr. L. Hullán, L. Trézl, T. Szarvas, A. Csiba in Acta Biologica Hungarica (1998)

  3. No Access

    Article

    Analogies and Differences in the Excited Reactions of Formaldehyde and D-Glucose

    The investigations proved that D-glucose (as reducing sugar) can easily be activated in a ternary system (L-lysine : D-glucose : H2O2) similarly to formaldehyde at 20 °C, in pH = 7.4 forming chemiluminescence (CL...

    Dr. L. Trézl, L. Hullán, T. Szarvas, A. Csiba, J. Pipek in Acta Biologica Hungarica (1998)

  4. No Access

    Article

    The cortisol metabolism of human pulmonary tumour tissue

    Bösartige Lungengeschwulstgewebe verschiedener Zelltypen wurden mit Hydrocortison 13H, 23H inkubiert. Die freien, markierten Steroide wurden extrahiert, chromatographisch getrennt und identifiziert.

    Veronika Kemény, K. Farkas, A. Körösi, T. Szarvas in Experientia (1968)