Hawking chronicles that stubborn streak through Hawkingâs own memories and through those of his sister, his first wife, and many, many colleagues. You donât hear from his second wife, though: she was one of his former nurses, whom he ultimately divorced after 11 years of marriage amid scandalous rumors.
What Is A Spectrophotometer Used For? July 13, 2016 hiplogiqwebmaster Science 0 In chemical and biological science, the spectrophotometer is a very common tool and it has a wide variety of uses. But what does a spectrophotometer actually do? Spectrophotometers are instruments used to send electromagnetic radiation into a given target to measure the resulting interaction of energy and the target.
Animals are sometimes used in the testing of drugs, vaccines and other biologics, and medical devices, mainly to determine the safety of the medical product. For drugs and biologics, the focus of animal testing is on the drugâs nature, chemistry, and effects (pharmacology) and on its potential damage to the body (toxicology). Animal testing is used to measure. how much of a drug or biologic is absorbed into the blood; how a medical product is broken down chemically in the body