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. 2015 May 26;10(5):e0123981. doi: 10.1371/journal.pone.0123981

Fig 2. The concentration procedure for dengue virus (DENV) virions using sulfated sugar chain-immobilized gold nanoparticles (SGNPs).

Fig 2

A DENV solution was diluted 1:104 or 1:106 in PBS. PPT, precipitate obtained from the treatment with SGNP; SUP, supernatant obtained from the treatment with SGNP; No SGNP, sample without treatment with SGNP. Tm for DENV-1 was 85 ± 0.3°C. Upper: fluorescent intensity vs. cycle number (Ct); Lower: melting curve.