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    • 32. 发明授权
    • Raman and hyper-Raman excitation using superlensing
    • 拉曼和超拉曼激发使用超透镜
    • US07474397B2
    • 2009-01-06
    • US11413377
    • 2006-04-28
    • Shih-Yuan WangZhiyong Li
    • Shih-Yuan WangZhiyong Li
    • G01J3/44
    • G01J3/02G01J3/0208G01N21/658
    • Raman-enhancing structures include a layer of dielectric material, a superlens configured to focus electromagnetic radiation having a wavelength greater than about 100 nanometers to a two-dimensional focal area having linear dimensions less than about 100 nanometers on a surface of the layer of dielectric material, and at least two nanoparticles comprising a Raman-enhancing material disposed proximate the focal area. Additional Raman-enhancing structures include a layer of dielectric material, a layer of conductive material, and at least two nanoparticles comprising a Raman-enhancing material disposed on a second, opposite surface of the layer of dielectric material. The layer of conductive material has a plurality of apertures therethrough that are arranged in a two-dimensional array. Methods for conducting Raman spectroscopy are performed using such structures and systems.
    • 拉曼增强结构包括介电材料层,配置成将具有大于约100纳米的波长的电磁辐射聚焦到具有小于约100纳米的线性尺寸的二维聚焦区域的超薄膜在电介质材料层的表面上 以及至少两个纳米颗粒,其包含靠近焦点区域设置的拉曼增强材料。 附加的拉曼增强结构包括电介质材料层,导电材料层,以及至少两个包含拉曼增强材料的纳米颗粒,该拉曼增强材料设置在电介质材料层的第二相对表面上。 导电材料层具有以二维阵列布置的穿过其中的多个孔。 使用这种结构和系统进行拉曼光谱的方法。
    • 33. 发明授权
    • Systems and methods for detection of Raman scattered photons
    • 用于检测拉曼散射光子的系统和方法
    • US07405822B2
    • 2008-07-29
    • US11584020
    • 2006-10-20
    • Zhiyong LiWei WuShih-Yuan Wang
    • Zhiyong LiWei WuShih-Yuan Wang
    • G01J3/44G01N21/65
    • G01J3/44G01N21/658
    • Raman spectroscopy systems include an analyte, a radiation source configured to emit incident radiation having a wavelength, and a detector that is capable of detecting only radiation having wavelengths within a detectable range that includes at least one wavelength corresponding to hyper Raman scattered radiation scattered by the analyte. The wavelength of the incident radiation is outside the detectable range. In particular systems, all wavelengths of radiation that are scattered in the direction of the detector impinge on the detector. Raman spectroscopy methods include providing an analyte and irradiating the analyte with incident radiation having a wavelength, providing a detector capable of detecting only wavelengths of radiation within a detectable range that does not include the wavelength of the incident radiation, and detecting Raman scattered radiation scattered by the analyte. A continuous path free of radiation filters may be provided between the analyte and the detector.
    • 拉曼光谱系统包括分析物,被配置为发射具有波长的入射辐射的辐射源,以及检测器,其能够仅检测波长在可检测范围内的辐射,所述波长包括对应于由所述波长散射的超拉曼散射辐射的至少一个波长 分析物。 入射辐射的波长在可检测范围之外。 在特定系统中,在检测器的方向上散射的所有辐射波长都照射在检测器上。 拉曼光谱方法包括提供分析物并用具有波长的入射辐射照射分析物,提供检测器,该检测器仅能够检测不包括入射辐射波长的可检测范围内的辐射波长,并且检测散射的拉曼散射辐射 分析物。 可以在分析物和检测器之间提供不含辐射过滤器的连续路径。
    • 39. 发明授权
    • Apparatus for performing SERS
    • 用于执行SERS的装置
    • US08462333B2
    • 2013-06-11
    • US12905891
    • 2010-10-15
    • Wei WuZhiyong LiShih-Yuan WangMichael Josef StukeLars Helge ThylenFung Suong OuMin Hu
    • Wei WuZhiyong LiShih-Yuan WangMichael Josef StukeLars Helge ThylenFung Suong OuMin Hu
    • G01J3/44
    • G01N21/658
    • An apparatus for performing SERS includes a substrate and flexible nano-fingers, each of the nano-fingers having a first end attached to the substrate, a free second end, and a body portion extending between the first end and the second end, in which the nano-fingers are arranged in an array on the substrate. The apparatus also includes an active material layer disposed on each of the second ends of the plurality of nano-fingers, in which the nano-fingers are to be in a substantially collapsed state in which the active layers on at least two of the nano-fingers contact each other under dominant attractive forces between the plurality of nano-fingers and in which the active material layers are to repel each other when the active material layers are electrostatically charged.
    • 用于执行SERS的装置包括基底和柔性纳米指,每个纳米指具有连接到基底的第一端,自由的第二端和在第一端和第二端之间延伸的主体部分,其中 纳米手指以阵列排列在基板上。 该装置还包括设置在多个纳米手指的每个第二端上的活性材料层,其中纳米指状物将处于基本上塌陷的状态,其中在至少两个纳米手指上的活性层, 手指在多个纳米手指之间的主导吸引力下彼此接触,并且当活性材料层被静电充电时,活性材料层将彼此排斥。
    • 40. 发明授权
    • Luminescent chemical sensor integrated with at least one molecular trap
    • 与至少一个分子陷阱集成的发光化学传感器
    • US08404491B2
    • 2013-03-26
    • US12916299
    • 2010-10-29
    • Zhiyong LiMichael Josef StukeShih-Yuan WangHuei Pei Kuo
    • Zhiyong LiMichael Josef StukeShih-Yuan WangHuei Pei Kuo
    • G01N21/76
    • G01N33/5438B82Y15/00G01N21/648G01N21/658Y10T436/25
    • A luminescent chemical sensor integrated with at least one molecular trap. The luminescent chemical sensor includes at least one molecular trap and at least one metallic-nanofinger device integrated with at least one molecular trap. The molecular trap includes a plurality of electrodes that trap at least one analyte molecule. The metallic-nanofinger device includes a substrate, and a plurality of nanofingers coupled with the substrate. A nanofinger of the plurality includes a flexible column, and a metallic cap coupled to an apex of the flexible column. At least the nanofinger and a second nanofinger of the plurality of nanofingers are to self-arrange into a close-packed configuration with the analyte molecule. A method for using, and a chemical-analysis apparatus including the luminescent chemical sensor are also provided.
    • 与至少一个分子阱集成的发光化学传感器。 发光化学传感器包括至少一个分子阱和至少一个与至少一个分子陷阱集成的金属纳米酮装置。 分子阱包括捕获至少一种分析物分子的多个电极。 金属纳米装置包括衬底和与衬底耦合的多个纳米器件。 多个纳米针板包括柔性柱和联接到柔性柱的顶点的金属帽。 至少纳米角蛋白和多个纳米针的第二纳米梳理器将自分配成与分析物分子紧密堆积的构型。 还提供了使用方法和包括发光化学传感器的化学分析装置。