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At pH 1.4-2.0 and in the presence of Triton X-100 the resonance light-scattering (RLS) spectrum of pyrocatechol violet (PV) has a maximum peak at 341nm with two wide bands centering on 399 and 468nm, respectively. If micro protein coexists in the system, the RLS intensities of PV at 399 and 468nm are significantly increased by protein due to the binding interaction between protein and PV. Based on...
At pH 7.5 and ion strength 0.004, the intensity of resonance light-scattering (RLS) of 5,10,15,20-tetrakis[4-(trimethylammoniumyl)phenyl]prophine (TAPP) is enhanced by DNA at 434nm. When bromopyrogallol red (BPR) coexists with DNA and TAPP, the RLS intensity of TAPP is synergetically enhanced by BPR and DNA. Based on this, a highly sensitive method for the determination of DNA was proposed with a...
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