| Method | # of Purifications | Price | $/mg RNA | Notes |
|---|---|---|---|---|
| NEB oligo-dT aliquots | 8 aliquots | $150 | $19/mg | |
| Amersham oligo-dT Spin Columns | 4 spin columns | $160 | $30/mg | |
| Qiagen Oligotex | 12 purifications | $305 | $25/mg | |
| oligo-dT Cellulose (Ambion) |
5 purifications | $130/gram | $13/mg | 200mg resin/2 mg RNA Oligo-dT drip columns |
| 13 purifications | $10/mg | Homemade Spin Columns |
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