| 摘要 |
PROBLEM TO BE SOLVED: To readily and exactly separate 8-OHdG contained in a sample. SOLUTION: A column packing material used for separating the separate 8-hydroxy-2'-deoxyguanosine (8-OHdG), which contains a packing material composed of a material having a straight-chain 6-30C hydrocarbon group as a functional group, and having a carbon content in the surface of a carrier of ≤18% by element ratio, wherein the packing material contains, on the particle-count basis, ≥1 cumulative percent and ≤20 cumulative percent particles having a circle-equivalent diameter, measured using a flow-type particle image analyzer, of ≥0.5 μm and ≤10 μm. COPYRIGHT: (C)2010,JPO&INPIT
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