Potassium Ion Fluorescent Sensing from Chemically Stimulated Mammalian Cells Using a GINKO2-Encapsulated Sensor Fibremat

Key Points

• This research aims to develop a platform for fluorescent sensing of potassium ions using GINKO2-encapsulated nanofibers.
• Developed electrospun fibremats containing GINKO2 fluorescent sensor.
• Established a method for immobilizing sensor proteins within nanofibers.
• Conducted tests on potassium ion detection in stimulated mammalian cells.
• Demonstrated reversible detection of potassium ions using the GINKO2 sensor.
• Showed effective immobilization of sensor proteins in fibermats.
• Achieved a responsive fluorescent signal upon potassium ion interaction.