Fig. 4From: Biplex quantitative PCR to detect transcriptionally active human papillomavirus 16 from patient salivaA Comparison of total RNA concentration obtained from various saliva collection and processing methods. Whole saliva (n = 12) and salivary supernatant (n = 12) via the commercial Zymo kit (n = 12). B Comparison of RNA expression of selected genes in original saliva collection method vs. commercial Zymo tubes. All reactions were completed in triplicateBack to article page