Iron is an essential element for almost all living organisms; it serves as a prosthetic group for a variety of proteins, due to its high redox potential, involved in vital cellular processes, ...

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 ...

The smartphone-based colorimetric approach has emerged as a powerful analytical tool with broad applications, enabling fast and cost-effective measurements, eco-friendly operation with low energy ...