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Table 2 Quality Measures for sample RNA, DNA and histology. RIN (RNA Integrity Number), DIN (DNA Integrity Number), H&E haematoxylin- and eosin-staining, IHC Immuno-histochemistry

From: PRECISE pregnancy cohort: challenges and strategies in setting up a biorepository in sub-Saharan Africa

Specimen typePrimarySecondary
RNARIN value ≥7.0260/280 ratio: 1.9–2.1
DNADIN value ≥7.0260/280 ratio: 1.7–1.9
PlacentaRIN value ≥7.0RNA Extraction 260/280 ratio
Placenta HistologyH&EIHC Markers e.g. vimentin