English literature - Student Encyclopedia (Ages 11 and up) The writers of the British Isles, including England, Scotland, and Wales, have produced a great wealth of literature. The language in which English literature is written has evolved over hundreds of years and is still changing.
The indole test is a biochemical test performed on bacterial species to determine the ability of the organism to split indole from the amino acid tryptophan.
Experiments using the indicator dye Indo-1 were used to demonstrate several hardware features, in addition to the ability to measure another calcium indicator dye. The dye Indo-1 has the characteristic that its emission wavelength is different in the presence of free Ca2+ than in the absence.