DAB Substrate Kit (ab64238) Overview. Product overview This product is available in a two component form consisting of a liquid, refrigerator stable DAB Chromogen and DAB Substrate. Once the two components are combined, the reagent can be used for up to six hours, making it ideal for automated stainers.
The colour photograph of Earthrise-taken by Apollo 8 astronaut, William A. Anders, December 24, 1968. Although the photograph is usually mounted with the moon below the earth, this is how Anders saw it. This photograph was taken during the Apollo 8 mission in December 1968, seven months before the first lunar landing.Apollo 8 was the mission which put humans into lunar orbit for the very first time.lthough the photograph is usually mounted with the moon below the earth, this is how Anders saw it. This photograph was taken during the Apollo 8 mission in December 1968, seven months before the first lunar landing. Apollo 8 was the mission which put humans into lunar orbit for the very first time.
When did the first man walk on the earth? Those who read the second creation account in Genesis literally, say that the first man on Earth, Adam, lived about six thousand years ago.Scientists say that the first tru â¦ e humans, members of our own species, Homo sapiens.lived more than 200,000 years ago and that our earliest hominid ancestors lived around seven million years ago.   Not quite 7000 years ago. If the time were shown as a clock then it would be about 23.59pm.hen did the first man walk on the earth? Those who read the second creation account in Genesis literally, say that the first man on Earth, Adam, lived about six thousand years ago.