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Prior to immobilization of the aptamers, the biotinylated aptamer solution (14 ¦ÌM aptamers, dissolved in 50 mM Tris-HCl + 20 mM KCl + 600 mM NaCl, pH 7.4) was heated at 90 ¡ãC for 3 min followed by cooling at room temperature. The heat treatment was a common practice applied to allow the aptamers to form the desired conformation through renaturation. ÇëÎÊ£ºÒÔÉÏÎÄÏ×½«ÊÊÅäÌå90 ¡ãC¼ÓÈÈ3·ÖÖӺ󣬲»»áʧ»îÁËÂ𣿻¹ÄܼÌÐøÓÃÀ´¶ÔÌØ¶¨µ°°×ÖʵÄÝÍÈ¡Â𣿠|
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