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Table 2 gDNA concentration measured at 260 nm

From: Isolation of human genomic DNA for genetic analysis from premature neonates: a comparison between newborn dried blood spots, whole blood and umbilical cord tissue

Sample DBS DBS average WB UC
Storage duration 1 month 3-5 years 6-10 years 11-15 years 15-22 years 3-22 years (<1 month) (<1 month)
  n = 20 n = 25 n = 25 n = 15 n = 30 n = 95 n = 31 n = 31
ng/μl 9.2 ± 1.5 6.2 ± 8.7 11.4 ± 6.9 7.9 ± 2 7.6 ± 4.2 8.3 ± 10.7 40.3 ± 10.9 117.3 ± 112.9
Total DNA (μg) 0.55 0.37 0.68 0.48 0.46 0.49 4.03 70.4
A260:A280 1.7 2.0 2.2 2.5 2.4 2.3 1.8 1.9
  1. p < 0.01 WB vs UC, p < 0.001 DBS (3-22 years average) vs UC total DNA.