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以葡萄糖氧化酶(GOD)为模型酶,用一次性丝网印刷电极检测氧化还原酶活力,选用具有较低氧化还原电位的单羟基二茂铁(HMF)作为电子传递介体,以电流法测定氧化酶的活力,所需时间仅为60s,线性响应范围为0~40U/mL.将电极用于检测黑曲酶发酵产生的葡萄糖氧化酶(GOD)的活力,测定结果与传统的方法相对照,具有较好的一致性,相关系数为0.9813. 相似文献
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本文在简要介绍双金属纳米晶的结构类型的基础上,总结了近年来所发展的控制双金属纳米晶形貌的主要合成方法,并探讨了它们在燃料电池以及固液气催化反应中的应用前景。 相似文献
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INVESTIGATION OF THE EFFECT OF SLOW NEUTRON IRRADIATION ON HALOGEN-DOPED HIGH-Tc SUPERCONDUCTORS AND ITS MECHANISM 下载免费PDF全文
Irradiation effect of low-fluence (-108 n/cm2 ) slow neutrons on halogen-doped superconductors is presented in this paper. And the mechanism of the effect is also described from the viewpoint of nuclear physics for both fast and slow neutrons on high-temperature superconductors (HTSC). It is shown ex-perimentally and theoretically that slow neutrons of low fluence has a similar irradiation effect to that of fast neutron beams with an energy En>0.1 MeV and fluence 1016-1018 n/cm2-However,quite differ-ent mechanisms are involved in them: Fast neutrons transfer their energies through elastic scattering in HTSC, whereas slow neutrons give off their energies during the slow neutron capture (n,γ) reaction. 相似文献
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量热生物传感器及其发展趋势 总被引:1,自引:0,他引:1
与其它类传感器相比较,量热生物传感器有其独特的优点.经过多年的研究,这类传感器已经从简单系统阶段发展到了微型及杂合系统阶段,并且日渐趋向于智能化.有越来越多的分析生物学家正对此领域表现出极大的兴趣.目前,这类传感器被广泛应用于临床检测、工业过程控制、环境监测等方面.本文就量热生物传感器的基本原理、器件设计以及发展趋势等方面进行了较为详细的论述. 相似文献
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