adj. electronegative
超极化及再极化都表明细胞内负电性的增强。
Hyperpolarization and repolarization both describe increased electronegativity within the cell.
但是，大多数此类化合物是呈负电性的，不能有效跨越细胞膜。
However, many classes of oligonucleotides are polyanions, so they cannot cross over cell membrane.
正电性荷电材料表面带有较强的正电荷，对负电性的细菌、病毒和细菌内毒素有较强的亲和作用。
Positivly charged material carries stronger positive charge on its surface and has a stronger affinity for bacterium, virus and bacterial endotoxin which cany negative charge.
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