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    题名 作者 年代 出处 被引量
1基于石墨烯/氧化石墨烯的光纤传感器研究进展显示文摘概述了基于石墨烯/氧化石墨烯(GO)的光纤传感器最新研究进展。从检测对象、传感机理、结构设计以及灵敏度等方面对基于石墨烯/GO的光纤传感器进行了分类论述。分别介绍了石墨烯微纳光纤传感器、石墨烯光子晶体光纤传感器、石墨烯光纤光栅传感器以及基于GO的光纤传感器的研究现状,并简述了石墨烯/GO-光纤复合波导的制备工艺。总结了石墨烯/G O光纤传感器存在的问题。郭晨瑜 王豆豆 穆长龙 2020激光与光电子学进展2020,57,15:9
2计及需求响应的风电并网系统可用输电能力计算显示文摘文中提出一种计及需求响应的风电并网系统可用输电能力计算方法.首先,构建考虑独立系统运营商和负荷服务实体不同利益的现有输电协议双层优化模型.其次,将下层模型利用其KKT条件将双层优化模型转化成单层模型,再利用强对偶理论的规则,使目标函数和约束条件线性化.最后,构建求解系统最大输电能力模型,计算系统可用输电能力.通过对PJM-5节点系统和IEEE-118节点系统的仿真计算,验证了所提出方法的可行性和有效性.陈厚合 褚云溪 张撼难 李凌 张儒峰 2019东北电力大学学报2019,39,5:6
3Sensitive monitoring of RNA transcription levels using a graphene oxide fluorescence switch显示文摘Catalytic transfer of genetic information from DNA to RNA is very important in life activities. The unconventional RNA transcription level may be related to the source of genetic diseases. At present, conventional methods for detection of RNA transcripts usually involve cumbersome preparative steps, or require sophisticated laboratory equipments. In this study, we presented a rapid, sensitive nano-detection platform for monitoring of RNA transcript levels. T7 RNA polymerase transcription reaction is employed as the example to test the feasibility of this method. In this design, in vitro synthesized RNA products can be hybridized to the FAM labeled single strand DNA (ssDNA) probes which can be adsorbed onto the graphene oxide (GO) surface. Using GO as the fluorescence switch, excellent capacity of the signal-on fluorescence platform for detection of RNA transcripts level is demonstrated. Transcription levels sensing with this nano-platform achieved a sensitivity of 5 pmol/L transcription template. It is antici- pated that current developed RNA transcript nano-detection mode has the potential to be an alternative to the conventional RNA transcript detection methods.ZHOU XiaoMing LIAO YuHui XING Da 2013Chinese Science Bulletin2013,58,21:3
4三维石墨烯纳米球的制备及其在锂离子电池中的应用显示文摘采用直流电弧放电法制备出一种三维石墨烯纳米球材料。采用扫描电镜(SEM)、透射电镜(TEM)、拉曼光谱和X射线衍射光谱(XRD)等测试方法对三维石墨烯纳米球的形貌和结构进行了表征和研究。通过交流阻抗(EIS)、恒流充放电和循环稳定性测试等电化学测试手段来研究三维石墨烯纳米球作为锂离子电池负极材料的电化学性能。结果表明,在电流密度为0.05 A/g下,三维石墨烯纳米球作为锂离子电池负极材料的首次放电容量为485.9 m Ah/g,高于炭黑作负极的放电容量(401 m Ah/g);当电流密度为1 A/g时,三维石墨烯纳米球负极材料仍然具有185.4 m Ah/g的放电容量。在电流密度分别为0.5 A/g和2.5 A/g下,充放电循环100次以后,三维石墨烯纳米球的比容量几乎没有衰减,这表明三维石墨烯纳米球作为锂离子电池的负极材料比炭黑具有更大的容量,同时具有优异的循环稳定性。徐丽 盛鹏 陈新 韩钰 刘双宇 王博 赵广耀 刘海镇 2016无机材料学报2016,31,9:3
5Isothermal detection of RNA transcription levels using graphene oxide-based SYBR Green I fluorescence platform显示文摘An isothermal graphene oxide(GO)-based SYBR Green I fluorescence platform for sensitive detection of RNA transcription levels is proposed. Briefly, a synthesized T7 DNA template was transcribed by T7 RNA polymerase, to producemany copies of single-stranded(ss) RNA transcripts. The ssRNA transcripts were then hybridized with a label-free ssDNA probe which alone will be adsorbed on the GO surface. The resultant double-stranded(ds) RNA:DNA hybrids were incubated with GO and SYBR Green I. Then the hybrid binding with SYBR Green I emits enhanced fluorescence for detection. Experimental results show that the detection limit of the method is 0.5 pmol/L of T7 DNA template. A calibration curve with a linearity range of 0.5 pmol/L to 5 nmol/L is established, thus, making quantitative analysis feasible. The method may become a powerful tool for RNA transcription detection due to its sensitivity, rapidity and convenience.Wen-Ge Ma Su-Qin Lu De-Bin Zhu Xiao-Bo Xing Bi-Hua Su 2014Chinese Chemical Letters2014,25,3:0
6单层MXene纳米片Ti_(2)N电磁特性的过渡金属(Sc、V、Zr)掺杂效应显示文摘二维材料MXene纳米片由于具有较大的比表面积和较高的电子迁移率而受到广泛的关注。本文采用基于密度泛函理论的第一性原理计算,对单层MXene纳米片Ti_(2)N电磁特性的过渡金属(Sc、V、Zr)掺杂效应进行了系统研究。结果表明,所有过渡金属掺杂体系结合能均为负值,结构均稳定;其中Ti_(2)N-Sc体系的形成能为-2.242 eV,结构更易形成,且保持稳定;掺杂后Ti_(2)N-Sc、Ti_(2)N-Zr体系磁矩增大;此外,Ti_(2)N-Sc体系中保留了较高的自旋极化率,达到84.9%,可预测该体系在自旋电子学中具有潜在的应用价值。周庭艳 赵敏 杨昆 贾维海 黄海深 吴波 2022人工晶体学报2022,51,1:0
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