1. Mean centering of ratio spectra for colorimetric determination of morphine and codeine in pharmaceuticals and biological samples using melamine modified gold nanoparticles. Issue 37 (30th August 2016) Authors: Mohseni, Naimeh; Bahram, Morteza Journal: Analytical methods Issue: Volume 8:Issue 37(2016) Page Start: 6739 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗