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High-resolution of phosphorylated and non-phosphorylated oligonucleotides in a monolithic capillary column. Conditions: Poly(styrene-co-divinylbenzene) monolith, 60 × 0.2-mm i.d, gradient, 1-7 % acetonitrile in water in 5 min, 7-8% in 5 min, 8-9% in 6 min, 9-10.4% in 14 min in 100 mmol/L triethylammonium acetate, flow rate 2.1 μL/min, 50 °C. Reproduced from ref. [67] with permission
