For the brain to achieve its intricate functions such as perception, action, attention and decision making, neural regions have to work together yet still retain their specialized roles. Excess or ...

Leafy green vegetables such as lettuce, Asian greens, and spinach can accumulate high concentrations of nitrate-nitrogen (NO3-N), which are potentially harmful if consumed by humans. Measuring NO3-N ...

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 ...

There are a multitude of available test procedures and methods for water and wastewater treatment operators. They range from colorimetric, titrimetric, electrometric (meter & probe), turbimetric, ...