Introduction: the principles of infrared heating Sir William Herschel discovered infrared – or heat radiation – in the 1800s when he was attempting to determine the part of the visible spectrum with the minimum associated heat in connection with the astronomical observations he was making
5.1 Introduction In this chapter, copper is considered as a case study for the measurement of the effect of nutrient intake. The importance of the role of copper in biological systems is first explored in a brief review of selected human cuproenzymes