Fig. 2From: Development and comparison of cross-linking and non-crosslinking probe-gold nanoparticle hybridization assays for direct detection of unamplified bovine viral diarrhea virus-RNATEM image of AuNPs (a); AuNPs particle size distribution measured by DLS (b); UV-vis absorption spectra of the AuNPs, probe-AuNPs, positive and negative CL assays, and positive and negative NCL assays (c); Visual observation probe-AuNPs color changes in presence of positive and negative samples. From left to right, positive CL (well 1), negative NCL (well 2), negative CL (well 3), positive NCL (well 4), probe-AuNPs (well 5) and AuNPs (well 6)Back to article page