用考马斯亮蓝法测定蛋白质浓度，（ )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25865' and id < 2171391 and id<>'2171391' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25865' and id > 2171391 and id<>'2171391' order by id asc limit 5