See also: The «Sperm Bike» Carries Donor Samples to Fertility Clinics Around Copenhagen and Awesome Kid Gives Inspirational Speech After Learning To Ride A Bike! (treehugger.com)
Central and peripheral endothelial tissue from 2 - 4 corneas were separately incubated in 300 μl of 1X CHAPS buffer (3 --LSB-(3 - cholamidopropyl) dimethylammonio]-1-propanesulfonate, pH 7.5) on ice for approximately 2.5 h. For the pooled donor samples, the average age was determined. (molvis.org)