A method for forming a semiconductor structure includes forming a sacrificial layer over a substrate. The un-dried immobilized enzyme is contacted with a fat or oil for a time which may be about 2 hours to about 24 hours to stabilize the immobilized enzyme, and the immobilized enzyme is recovered from the fat or oil. The first end of the center tube communicating with the outlet port in an RD or accumulator canister to eliminate the fluid flow tube used therein. , measurements of pluralities of cellular constituents in cells having a modified gene or gene product, as phenotypic markers for the gene or gene product. The received document is then indexed with at least one word of the second set of candidate words.