
A novel HPLC-electrochemical detection approach for the determination of d-penicillamine in skin specimens
Keywords: d-Pen, d-penicillamine; IS, internal standard; DTE, dithioerythritol; SPE, solid phase extraction; EPS, elastosis perforans serpiginosa; p-PXE, pseudo-pseudoxantoma elasticum; RSD, relative standard deviation; LOQ, limit of quantitation; LOD, limit of det