Since its first description 20 years ago, the tetrazolium-based colorimetric (MTT) assay using MT-4 cells for the detection of anti-HIV compounds has been widely used. This method, which remains ...

"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 ...

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 ...

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 ...