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Example sentences for: stoffel

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The sources of materials used in this study: Phagescript and pBS(-) plasmid were from Stratagene; Taq polymerase and the Stoffel fragment of Taq were from Perkin Elmer Cetus; gp32 was from Pharmacia; Bst E II-digested Lambda DNA was from New England Biolabs.
This is consistent with the manufacturer's description that the Stoffel fragment is not optimal for the amplification of sequences longer than 1 kb.
The buffer for Taq polymerase including (NH 4 ) 2 SO 2 and for the Stoffel fragment had a low KCl concentration (10 mM).
Consistent with the expectation, results of using the Stoffel fragment, without additives such as gp32, (NH 4 ) 2 SO 4 or detergent, gave a S/N of 100 (See figure 4, compare intact lanes 3, 4, 5, 6 to cut lanes 7,8,9,10).
The source templates used were also prepared by standard PCR with the Stoffel fragment and the primer pair b1 and Jp on pBS (see figure 2).