Ayla Schulz

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The Patagonian currant Ribes magellanicum is highly valued due to its pleasant flavor and sweet taste. The aim of this study was to characterize its constituents and to assess their antioxidant and cytoprotective properties. For the fruit phenolic-enriched extract (PEE), total phenolics (TP), total flavonoids (TF), and antioxidant activity (DPPH, Ferric(More)
The condensing effect of aminoglycoside antibiotics on the structure of double-stranded DNA was examined. The selective condensation of DNA by small molecules is an interesting approach in biotechnology. Here, we present the interaction between calf thymus DNA and three types of antibiotic molecules: tobramycin, kanamycin, and neomycin. Several techniques(More)
Oxidation of DNA is an important problem that leads to DNA mutations 1. We use single molecule fluorescence measurements to study the interaction between covalently bound nucleotides (dNTP) and fluorophores (Cyanine dye), dNTP-Cy3 that have been incorporated into DNA. By tracing changes in the fluorescence signal, evidence for single events of DNA oxidation(More)
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