French biotech Pharnext has seen the value of its shares collapse after it revealed that its lead drug, a treatment for Charcot-Marie-Tooth (CMT) disease, failed to make the grade in a phase 3 trial.

We study the isothermal hydrogen adsorption and reaction at the E-TEK electrode of a polymer electrolyte fuel cell with a Nafion 117 membrane by impedance spectroscopy at 30 °C. We find that the ...