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Extraction of 2′-O-apiosyl-6′-O-crotonic acid-betanin from the ayrampo seed (Opuntia soehrensii) cuticle and its use as an emitting layer in an organic light-emitting diode

Rivera Tito, H.A.; Hernández-Sosa, G.; Romero-Nieto, C.; Regulska, E.; Jürgensen, N.; Zimmermann, J.; Salazar-Salinas, K.; Quintana Caceda, M.E. (Royal Society of Chemistry, 2020)

The molecule 2′-O-apiosyl-6′-O-crotonic acid-betanin (called Achkiy) was obtained after an ecofriendly and low-cost purification process of the extract from the ayrampo seed cuticle. Results from EDS give us an idea of the ...
Molecular specific and sensitive detection of pyrazinamide and its metabolite pyrazinoic acid by means of surface enhanced raman spectroscopy employing in situ prepared colloids

Muehlig, A.; Jahn, I.J.; Heidler, J.; Jahn, M.; Weber, K.; Sheen Cortavarria, Patricia; Zimic-Peralta, Mirko Juan; Cialla-May, D.; Popp, J. (MDPI, 2019)

The prodrug pyrazinamide (PZA) is metabolized by the mycobacteria to pyrazinoic acid (POA), which is expelled into the extracellular environment. PZA resistance is highly associated to a lack of POA efflux. Thus, by detecting ...

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