"Generally, a colorimetric probe consist of a recognition moiety and a signal moiety," Xiaodong Chen, an assistant professor in the School of Materials Science & Engineering at Nanyang Technological ...

The basic working principle of colorimetric sensing is colorimetry, which is a visible change in color that results from a chemical interaction between the sensing/detecting material and the target ...

This article shows how the absorbance maxima of Ponceau-S is determined over a wavelength range of 220nm to 800nm using the Eppendorf BioSpectromenter ®. The methods of analysis using this ...

Early in the coronavirus disease 2019 (COVID-19) pandemic, it was clear that quick and accurate diagnostic techniques were required to deal with emerging infections and offset the negative impacts of ...

Fluorescent dyes are tools used throughout biotechnology and medicine that offer a unique method of detecting and quantifying the presence of a target molecule, cell, or tissue within an even more ...