2 条结果 关键词:电纺微带 ×

Direct electrochemistry and electrocatalysis of novel single-walled carbon nanotubes-hemoglobin composite microbelts--towards the development of sensitive and mediator-free biosensor.

Biosensors & bioelectronics 2010 Ding Y, Wang Y, Lei Y

作者将单壁碳纳米管(SWNTs)与血红蛋白(Hb)在2,2,2-三氟乙醇中混合后直接电纺至玻碳电极表面,制备SWNTs–Hb复合微带修饰电极,并经戊二醛蒸气交联固定。傅里叶变换红外光谱表明微带中Hb保持天然二级结构,拉曼光谱证实SWNTs成功掺入。循环伏安法显示该复合微带具有明显的Hb血红素Fe(III)/Fe(II)直接电化学响应...

Electrospun hemoglobin microbelts based biosensor for sensitive detection of hydrogen peroxide and nitrite.

Biosensors & bioelectronics 2010 Ding Y, Wang Y, Li B, Lei Y

本研究通过直接电纺法将血红蛋白(Hb)沉积在玻璃碳(GC)电极表面,制备出高孔隙率Hb微带生物传感器,无需固定基质。紫外–可见光谱和傅里叶变换红外光谱表明,电纺Hb微带中Hb仍保持天然结构。循环伏安法显示,Hb微带修饰GC电极具有准可逆直接电子转移行为,血红素Fe(III)/Fe(II)氧化还原峰清晰,峰电位随pH呈Nernstia...