Journal: Molecules
Article Title: A Colorimetric Membrane-Based Sensor with Improved Selectivity towards Amphetamine
doi: 10.3390/molecules26216713
Figure Lengend Snippet: Images of the membranes obtained for the tested drugs and their respective reflectance spectra, and images of the working solutions of AMP and EPH taken 15 min after the filtration step. Concentration assayed, 500 ppm.
Article Snippet: Spectrophotometric measurements of the nylon membranes with the product of reaction obtained with gold bromide were carried out using a Cary 60 Fiber Optic UV-Vis spectrophotometer (Agilent Technologies, Waldbronn, Germany), fitted with a remote fiber optic diffuse reflectance accessory purchased from Harrick Scientific Products (Mulgrave, Victoria, Australia).
Techniques: Filtration, Concentration Assay