The instant invention involves the use of a combination of preparatory steps in conjunction with mass spectroscopy and time-of-flight detection procedures to maximize the diversity of biopolymers which are verifiable within a particular sample. The saline solution keeps the allograft hydrated and may be saturated with a combination of calcium, phosphate, or magnesium to inhibit mineral leaching out of the allograft during storage. First and second cover members are fixed to the first and second open end portions of the trunk member, closing the openings.