The oxidation peak heights were linear with the concentrations of adenine and ssDNA in the suitable range.

• 此种碳糊电极对腺嘌呤和DNA的吸附能力大大增强，用微分脉冲伏安法可得到灵敏的氧化峰，氧化峰的电流值与其浓度在一定范围内呈良好的线性关系；