Au/Ra Au/Ra Jamie Lou Stenzel (born 15 May 2002), known by her stage name as Au/Ra, is a pop singer-songwriter, who collaborated with CamelPhat in the 2018 single "Panic Room", and was featured in Norwegian DJ Alan Walker's number-one single "Darkside" in the same year. Au/Ra was born in Ibiza, but was since raised in St. John's, Antigua by a musical family—her father being the German producer Torsten Stenzel. Her stage name Au/Ra consists of two elements from the periodic table: Au stands for gold, a transition metal with the atomic number 79, while Ra stands for radium, an alkaline earth
Research chemical Research chemical Research chemicals are chemical substances used by scientists for medical and scientific research purposes. One characteristic of a research chemical is that it is for laboratory research use only; a research chemical is not intended for human or veterinary use. This distinction is required on the labels of research chemicals, and is what exempts them from regulation under parts 100-740 in Title 21 of the Code of Federal Regulations (21CFR). Research chemicals are fundamental in the development of novel pharmacotherapies. Common medical laboratory uses include "in vivo" and animal testing to determine therapeutic value, toxicology testing by contract