Table of Contents
Chemosensors, Volume 8, Issue 1 (March 2020) – 21 articles
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Cover Story (view full-size image) A simple optical detection method for the real-time polar monitoring of chemiluminescence (CL) [...] Read more. A simple optical detection method for the real-time polar monitoring of chemiluminescence (CL) emission anisotropy is presented here. Emitted photons are collected by a radial array of eleven optical fibers, embedded in a poly(methyl methacrylate) semicylinder, the output of which is coupled with a charge-coupled device (CCD) camera. The polar-time evolutions of the CL emission are studied for catalyzing enzymes either immobilized onto a solid surface (heterogeneous configuration) or free in solution (homogeneous configuration). The anisotropic behavior of the CL emission, observed when the enzymes are close to the boundary between two dielectric media with a different refractive index, opens up new perspectives in the design and development of novel CL-based miniaturized analytical devices characterized by high light collection efficiency without using dedicated optics.View this paper.