Spectrophotometry is a method that measures the amount of light that a sample or object absorbs or reflects as a functional of wavelength using an instrument known as a spectrophotometer. This work ...

Optical spectroscopy encompasses a wide variety of techniques used to study how matter interacts with light. Optical spectroscopy techniques are used in physics, astronomy, chemistry, biology, and ...

Iron and zinc play essential roles in biological systems and their shortage is responsible for the main micronutrient deficiencies in the world (Burke, Leon, Parminder, 2014). Iron is a fundamental ...