A Novel Optical Properties of Molecular “Light Switch” and its Analytical Application

来源 :Chinese Chemical Letters | 被引量 : 0次 | 上传用户:beautyfox110
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Because of the high affinity (KB 106 L mol-1) between Ru(phen)2(dppz)2+and DNA, the adding of DNA in the solution of Ru(phen)2(dppz)2+-SDS makes the dissociation of Ru(phen)2(dppz)2+-SDS, and results in decrease of the resonance light scattering (RLS) signals and increase of the absorbance. Based on this, a novel method is proposed for DNA assay. Because of the high affinity (KB 106 L mol -1) between Ru (phen) 2 (dppz) 2 + and DNA, the adding of DNA in the solution of Ru (phen) 2 (dppz) 2 + -SDS makes the dissociation of Ru (phen) 2 (dppz) 2 + -SDS, and results in decrease of the resonance light scattering (RLS) signals and increase of the absorbance. Based on this, a novel method is proposed for DNA assay.
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