Investigation on molecular interaction of amino acids in antibacterial drug ampicillin solutions with reference to volumetric and compressibility measurements

► Densities and speeds of sound of amino acids in aqueous ampicillin ► Ampicillin which is an antibacterial drug is known as a beta lactam antibiotic. ► Partial molar volumes and compressibility of transfer ► Transfer volume data have been used to calculate the pair and triplet interactions. ► Limiting apparent molar expansibility and coefficient of thermal expansion.