下列试剂中不会导致蛋白质变性的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29022' and id < 2361888 and id<>'2361888' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29022' and id > 2361888 and id<>'2361888' order by id asc limit 5