Sunlong Biotech™ Oligo (dT) surface covalently conjugated with Oligo (dT), which base-pairs with Poly A at the tail of mRNA in eukaryotes. Sunlong Biotech™ Oligo (dT) can efficiently separate complete and high purity mRNA from eukaryotic total RNA, animal and plant tissues or cell lysates. The isolated mRNA can be used in various molecular biological experiments: RT-PCR, solid phase cDNA library construction, RACE, Northern, etc.