| 1. | Piezoelectric quartz crystal biosensor and its application
压电石英晶体生物传感器及其应用 |
| 2. | The studies in the thesis are summarized as follows : ( 1 ) the recent progress of the piezoelectric quartz crystal impedance analysis is reviewed
本论文主要研究内容如下： ( 1 )综述了压电石英晶体传感器的测定方法和近期应用。 |
| 3. | 5 . an optimized piezoelectric quartz crystal sensor array has been designed and assembled by using five individual vibration electrical circuits
采用5个单独的振荡电路，设计并组装了一种具有优化电路的压电传感器阵列装置。 |
| 4. | In the fifties of the 20th century , sauerbey had reported that the oscillation frequency of a piezoelectric quartz crystal ( pqc ) is linearly related to the mass change on the pqc electrode surface
二十世纪五十年代， sauerbrey提出了压电石英晶体( pqc )的谐振频率与其表面的质量负载呈一定线性关系的理论。 |
| 5. | ( 3 ) the piezoelectric quartz crystal impedance ( qci ) technique was employed to monitor in situ the pb2 + - induced precipitation of bsa onto a gold electrode and the precipitate dissolution via edta in an aqueous solution
( 3 )用压电石英晶体阻抗法( pqci )现场监测了水溶液中铅离子诱导牛血清白蛋白( bsa )沉淀及沉淀由na _ 2edta溶解的过程。 |
| 6. | ( 2 ) the adsorption of lysozyme from phosphate - buffered saline ( ph 7 . 4 ) onto bare and cysteine or 1 - octadecanethiol - modified au electrode has been investigated in situ using an electrochemical piezoelectric quartz crystal resonance system ( eqcis )
( 2 )用电化学石英晶体阻抗系统( eqcis )现场监测了ph7 . 4磷酸缓冲液中溶菌酶在金电极和半胱氨酸或正十八硫醇修饰电极上的吸附。 |
| 7. | The equivalent - circuit parameters and resonant frequencies of the piezoelectric quartz crystal resonance , the value of half peak width of the electroacoustic conductance spectrum ( fg1 / 2 ) as well as the electrical double - layer capacitance were obtained and analyzed
获得并分析了pqc谐振等效电路参数、谐振频率、电导谱半峰宽f _ ( g1 2 )和双电层电容，考察了电极界面发生的吸附动力学过程。 |
| 8. | The studies made in the thesis are summarized as follows : 1 . a series piezoelectric quartz crystal ( spqc ) sensor has been applied to detect l - glutamic acid and l - lysine . the effect of formaldehyde on the frequency shift was studied
本学位论文研究工作总结如下：一、利用串联式压电石英传感器对电导的灵敏响应用两种方法对l -谷氨酸和l -赖氨酸进行了定量测定，并探讨了甲醛溶液浓度对测定的影响。 |
| 9. | Piezoelectric quartz crystal ( pqc ) sensor has found its extensive application in various fields including analytical chemistry , life science , pharmaceutical chemistry , membrane science , surface science , and environmental monitoring because of its outstanding advantages such as high sensitivity , simple construction , convenient operation and low cost , etc . however , due to its broad sensing - spectrum , the selectivity of pqc is poor
压电石英晶体（ pqc ）传感器因其具有灵敏度高、结构简单、操作方便、成本低廉等优点而广泛应用于分析化学、生命科学、药物科学、表面科学、膜科学和环境科学等诸多领域。然而其响应具有广谱性，选择性能差。 |
| 10. | Recent years , the using of piezoelectric sensors becomes a focus in novel biosensors research . the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption , or the physic characters in the reaction system including density , viscosity , conductivity and so on . a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal
近年来,压电传感器检测技术逐渐成为生物分析中的研究热点,其基本原理是利用石英晶体振荡特性对石英晶体表面质量负载(质量效应)和反应体系物理性状如密度、粘度、电导率(非质量效应)等的改变具有高度敏感的特性,通过对石英晶体进行适当的生物学处理和结构设计,构建出具有具有ng级检测能力的生物传感器。 |
