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Videos de Conceptos Relacionados

Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

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Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
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Sensores de PKA basados en FRET de próxima generación, sensibles y selectivos

Jin-Fan Zhang, Wei Lin, Leyi Huang

    bioRxiv : the preprint server for biology
    |February 23, 2026
    PubMed
    Resumen

    Los nuevos sensores FRET (AKAR6) ofrecen una mayor sensibilidad para visualizar la actividad de la proteína quinasa A (PKA). Estas herramientas revelan la señalización compartimentada de PKA, diferenciando las respuestas a los factores de crecimiento y los GPCR a niveles subcelulares.

    Palabras clave:
    sensores FRETAKAR6actividad de PKAseñalización compartimentadabiología celularseñalización molecularbiotecnología

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