neonatology - medical specialty focused on the care of newborn infants, particularly those who are premature or have serious health problems. biomedical - relating to both biology and medicine. semiconductors - materials with electrical conductivity between conductors and insulators. * creativity - the use of the imagination or original ideas, especially in the production of artistic work. * reactivity - chemical property that is best defines as the ability of a substance to interact chemically with a second substance. toxicity - quality of being toxic or poisonous. translocate - move from one place to another. cosmetics - product applied to the body, especially the face, to improve its appearance. supplements - products intended to add nutrients to the diet and come in various forms like pills, capsules, powders, and liquids. technologies - refer to the various applications of scientific knowledge for practical purposes, encompassing tools, methods, and processes used to achieve specific goals. nanometer - a unit of a length in the metric system equal to one billionth of a meter.