Nucleotides:
| Purity | Integrity | Contamination | Amount |
| OD260/280≥1.7-2.5； OD260/230≥0.5-2.5； | For plants: RIN≥6.5; For animals: RIN≥7; 28S/18S≥1.0; limited or no baseline elevation | Limited or no protein or DNA contamination shown on gel. | Conc. ≥100 ng/μl; Volumn ≥ 10 μl; Total ≥ 2 μg |
Tissue: Weight(dry): ≥1 g
*For tissue smaller than 5 mg, we recommend to send flash frozen(in liquid nitrogen) tissue sample.
Cell suspension: Cell count = 3×107
*We recommend to ship frozen cell lysate. In case that cell counts smaller than 5×105, flash frozen in liquid nitrogen is recommended.
Blood samples:
PA×geneBloodRNATube;
6mLTRIzol and 2mL blood(TRIzol:Blood=3:1)
Container:
2 ml centrifuge tube (Tin foil is not recommended)
Sample labeling: Group+replicate e.g. A1, A2, A3; B1, B2, B3... ...
Shipment:
1.Dry-ice: Samples need to be packed in bags and buried in dry-ice.
2.RNAstable tubes: RNA samples can be dried in RNA stabilization tube(e.g. RNAstable®) and shipped in room temperature.