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"9-Carat white gold leafs (Ag/Au alloy, 50 50 wt%) 100 nm in thickness were obtained from Monarch", "The three-electrode system is consisted of the working electrode of interest, a saturated calomel electrode (SCE) reference electrode and a platinum wire auxiliary electrode", "The solution color turned to wine red, which indicating the formation of gold nanoparticles", "These captured DNA conjugates were hybridize with target sequences and then further signal amplification was achieved by sequentially adding two kinds of DNA-Au NPs with different modifications for second hybridization", "Since the single AuNP is loaded with approximate a hundred reporter DNA strands, which offers a significant amplification for DNA detection" "Thus, the assay reported here could enhance not only the detection limitation but also the ability of recognize DNA sequences". |
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xiaomuyu2010
ľ³æ (СÓÐÃûÆø)
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·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):лл²ÎÓë 2010-10-10 10:01:16
jessie20098571(½ð±Ò+8, ·ÒëEPI+1): 2010-10-11 01:17:21
·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):лл²ÎÓë 2010-10-10 10:01:16
jessie20098571(½ð±Ò+8, ·ÒëEPI+1): 2010-10-11 01:17:21
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ÐÞ¸ÄÈçÏ£¬½ö¹©²Î¿¼ "100 nm thick, 9-Carat white gold leafs (Ag/Au alloy, 50 50 wt%) were obtained from Monarch", "The three-electrode system consists of the working electrode of interest, a saturated calomel electrode (SCE) as the reference electrode and a platinum wire counter electrode", "The solution color turned to wine red, indicating the formation of gold nanoparticles", "These captured DNA conjugates were hybridized with target sequences; further signal amplification was achieved by sequentially adding two kinds of DNA-Au NPs with different modifications for second hybridization", "Loaded with approximately a hundred reporter DNA strands, the single AuNP offers a significant amplification for DNA detection" "Thus, the assay reported here could enhance not only the detection limit but also the ability of recognizing DNA sequences". |
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