A collection of samples produced as a result of a sample preparation experiment. An ID for a collection of samples and a reference to a set of sample preparation experiments used to produce the given collection of samples Identification of a sample produced as a result of a sample preparation experiment. The name used to refer to the sample. The date on which the sample was made "ready to use". The time at which the sample was made "ready to use". The sample's "best before" date. The amount (in millilitres) of the sample. The conditions at which the sample is stored. A reference to an experiment used to prepare the given sample. NOTE: fill this attribute for the top most sample only A reference to the biological source from which the sample was prepared. NOTE: fill this attribute for the top most sample only Additional comments.