Embodiments disclosed herein relate to new imidazolidinedione derivatives, methods of making these compounds, and methods of using the same to prevent, treat, or inhibit malaria in a subject. The invention also describes the isolation and characterization of neutralizing chimpanzee monoclonal antibodies reactive to the neutralization site and the use of these antibodies in the diagnosis, treatment and prevention of HEV. The method includes providing a mobile adaptation tool for a wearer of a hearing assistance device. Epsom salt, vitriol of iron, boric acid, manganic sulphate, zinc sulphate, cuprous sulphate, ammonium molybdate and calcium nitrate are mixed in, and the mixture is partitioned into transportation containers depending on the weight of caustic potash included in the mixture using a drain pump through appropriate filter under constant stirring. By configuring a non-aqueous secondary battery using the above-mentioned negative electrode, the chargingdischarging efficiency and cycle characteristics of a thin film electrode used for the negative electrode of the non-aqueous secondary battery are enhanced. The channel defines a plurality of openings adapted to receive screws for attachment of the channel to a desired surface.