A Microplate Reader, circa 1981
A Microplate Reader, circa 1981
Credit: Courtesy of Biotek Instruments Inc." /> Credit: Courtesy of Biotek Instruments Inc. In the late 1970s, researchers who wanted to quantify the results of new immunoprecipitation assays, such as ELISA, had three choices: risk human error and a headache by using a manual reader, break out the cuvets and the spectrophotometer, or pay as much as $15,000 for a bulky automated reader. In 1981, Winooski, Vt.-base