PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Analytical Chemistry (other) Separation Science Dalia M.A. Elmasry PeerJ Author Summary Agricultural Science Food Science & Technology Green Chemistry Microbiology Veterinary Medicine PeerJ Contributions Articles 1 March 1, 2022 Development and validation of UV chromatographic method for quantification of copper and copper nanoparticles in different matrices and pharmaceutical products Mai A. Fadel, Dalia M. A. Elmasry, Farida H. Mohamed, Asmaa M. Badawy, Hanaa A. Elsamadony https://doi.org/10.7717/peerj-achem.14