公开(公告)号：US20120092660A1

公开(公告)日：2012-04-19

申请号：US12905891

申请日：2010-10-15

Applicant: Wei Wu ,  Zhiyong Li ,  Shih-Yuan Wang ,  Michael Josef Stuke ,  Lars Helge Thylen ,  Fung Suong Ou ,  Min Hu

Inventor： Wei Wu ,  Zhiyong Li ,  Shih-Yuan Wang ,  Michael Josef Stuke ,  Lars Helge Thylen ,  Fung Suong Ou ,  Min Hu

IPC: G01J3/44

CPC classification number: G01N21/658

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20110317160A1

公开(公告)日：2011-12-29

申请号：US13254897

申请日：2009-03-13

Applicant: Zhiyong Li ,  Min Hu

Inventor： Zhiyong Li ,  Min Hu

IPC: G01J3/44 ,  B29C35/02 ,  C23F1/02 ,  B29C70/00

CPC classification number: G01N21/554 ,  B82Y30/00 ,  G01N21/553 ,  G01N21/658

Abstract: Broad band structures for surface enhanced Raman spectroscopy are disclosed herein. Each embodiment of the structure is made up of a metal layer, and a dielectric layer established on at least a portion of the metal layer. The dielectric layer has a controlled thickness that varies from at least one portion of the dielectric layer to at least another portion of the dielectric layer. Nanostructures are established on the dielectric layer at least at the portion and the other portion, the nanostructures thus being configured to exhibit variable plasmon resonances.

Abstract translation: 本文公开了用于表面增强拉曼光谱的宽带结构。 结构的每个实施例由金属层和建立在金属层的至少一部分上的电介质层组成。 电介质层具有从电介质层的至少一部分到电介质层的至少另一部分变化的受控厚度。 至少在部分和另一部分，在电介质层上建立纳米结构，因此纳米结构被构造成表现出可变的等离子体共振。

公开(公告)号：US20110267609A1

公开(公告)日：2011-11-03

申请号：US12771824

申请日：2010-04-30

Applicant: Wei WU ,  Min Hu ,  Fung Suong Ou ,  Zhiyong Li

Inventor： Wei WU ,  Min Hu ,  Fung Suong Ou ,  Zhiyong Li

IPC: G01J3/44

CPC classification number: G01N21/658 ,  B82Y15/00

Abstract: An apparatus for performing Surface Enhanced Raman Spectroscopy (SERS) includes a reflective layer positioned above the substrate, a plurality of tapered nanowires disposed above the reflective layer, each of the plurality of tapered nanowires having a tapered end directed away from the reflective layer.

Abstract translation: 用于进行表面增强拉曼光谱（SERS）的设备包括位于衬底上方的反射层，设置在反射层上方的多个锥形纳米线，多个锥形纳米线中的每一个具有远离反射层的锥形端。

公开(公告)号：US20110188034A1

公开(公告)日：2011-08-04

申请号：US12697136

申请日：2010-01-29

Applicant: Michael J. Stuke ,  Alexandre M. Bratkovski ,  Min Hu ,  Huei Pei Kuo ,  Jingjing Li ,  Zhiyong Li ,  Fung Suong Ou ,  Shih-Yuan (Sy) Wang ,  Wei Wu

Inventor： Michael J. Stuke ,  Alexandre M. Bratkovski ,  Min Hu ,  Huei Pei Kuo ,  Jingjing Li ,  Zhiyong Li ,  Fung Suong Ou ,  Shih-Yuan (Sy) Wang ,  Wei Wu

IPC: G01J3/44

CPC classification number: G01J3/44 ,  G01N21/658

Abstract: A surface enhanced Raman spectroscopy (SERS) apparatus, system and method employ a plurality of nanorods configured to vibrate. The apparatus includes the nanorods having tips at free ends opposite an end attached to a substrate. The tips are configured to adsorb an analyte and to vibrate at a vibration frequency. The apparatus further includes a vibration source configured to vibrate the free ends of the nanorods at the vibration frequency in a back-and-forth motion. Vibration of the nanorods is configured to facilitate detection of a Raman scattering signal emitted by the analyte adsorbed on the nanorod tips. The system further includes a synchronous detector configured to receive the Raman signal and to be gated cooperatively with the vibration of the nanorods. The method includes inducing a vibration of the nanorods, illuminating the vibrating tips to produce a Raman signal, and detecting the Raman signal using the detector.

Abstract translation: 表面增强拉曼光谱（SERS）装置，系统和方法采用配置成振动的多个纳米棒。 该装置包括纳米棒，其具有与连接到基底的端部相对的自由端处的尖端。 尖端被配置为吸附分析物并以振动频率振动。 该装置还包括一个振动源，其构造成以往复运动的振动频率使纳米棒的自由端振动。 纳米棒的振动被配置为便于检测由吸附在纳米棒尖端上的分析物发射的拉曼散射信号。 该系统还包括一个同步检测器，其被配置为接收拉曼信号并与纳米棒的振动协同地门控。 该方法包括诱导纳米棒的振动，照亮振动尖端以产生拉曼信号，以及使用检测器检测拉曼信号。

公开(公告)号：US09709538B2

公开(公告)日：2017-07-18

申请号：US14239330

申请日：2011-09-30

Applicant: Wei Wu ,  Zhiyong Li ,  Ansoon Kim ,  Min Hu ,  Michael Josef Stuke

Inventor： Wei Wu ,  Zhiyong Li ,  Ansoon Kim ,  Min Hu ,  Michael Josef Stuke

IPC: G01N31/22 ,  G01N21/64 ,  G01N21/65 ,  B01L3/00 ,  B82Y15/00

CPC classification number: G01N31/22 ,  B01L3/5085 ,  B01L3/50853 ,  B01L2200/141 ,  B01L2300/0636 ,  B01L2300/069 ,  B01L2300/0819 ,  B82Y15/00 ,  G01N21/648 ,  G01N21/658 ,  G01N2201/0227 ,  G01N2201/023 ,  Y10T436/25

Abstract: Devices to detect a substance and methods of producing such a device are disclosed. An example device to detect a substance includes a housing defining an externally accessible chamber and a seal to enclose at least a portion of the chamber. The example device also includes a substrate includes nanoparticles positioned within the chamber. The nanoparticles to react to the substance when exposed thereto. The example device also includes a non-analytic solution within the chamber to protect the nanoparticles from premature exposure.

公开(公告)号：US09678013B2

公开(公告)日：2017-06-13

申请号：US14394295

申请日：2012-04-20

Applicant: Alexandre M. Bratkovski ,  Zhiyong Li ,  Wei Wu ,  Min Hu ,  R. Stanley Williams ,  Ansoon Kim

Inventor： Alexandre M. Bratkovski ,  Zhiyong Li ,  Wei Wu ,  Min Hu ,  R. Stanley Williams ,  Ansoon Kim

IPC: G01N21/01 ,  G01N21/65 ,  G01N35/00 ,  B01L3/00 ,  G01N21/64

CPC classification number: G01N21/658 ,  B01L3/5088 ,  B01L2300/0627 ,  B01L2300/0819 ,  B01L2300/161 ,  G01N21/648 ,  G01N35/00009 ,  G01N2035/00019

Abstract: Examples of integrated sensors are disclosed herein. An example of an integrated sensor includes a substrate and a sensing member formed on a surface of the substrate. The sensing member includes collapsible signal amplifying structures and an area surrounding the collapsible signal amplifying structures that enables self-positioning of droplets exposed thereto toward the collapsible signal amplifying structures.

公开(公告)号：US09001324B2

公开(公告)日：2015-04-07

申请号：US13810982

申请日：2010-07-30

Applicant: Zhiyong Li ,  Min Hu ,  Wei Wu

Inventor： Zhiyong Li ,  Min Hu ,  Wei Wu

IPC: G01J3/44 ,  G01N21/65

CPC classification number: G01N21/658

Abstract: A surface enhanced Raman spectroscopy (SERS) probe apparatus and a method of SERS probing employ Raman-active surfaces of a plurality of nanoscale field concentrator (NFC) structures at a terminal end of an optical fiber. The SERS probe apparatus includes an optical fiber having an optical path and a terminal end that terminates the optical path. The SERS probe apparatus further includes a plurality of NFC structures and nanoparticles on surfaces of the plurality of NFC structures. First ends of the NFC structures are adjacent to the terminal end of optical fiber. The nanoparticles are Raman active to an analyte.

Abstract translation: 表面增强拉曼光谱（SERS）探针装置和SERS探测的方法在光纤的末端使用多个纳米尺度场集中器（NFC）结构的拉曼活性表面。 SERS探针装置包括具有光路的光纤和终止光路的终端。 SERS探针装置还包括在多个NFC结构的表面上的多个NFC结构和纳米颗粒。 NFC结构的第一端与光纤的终端相邻。 纳米颗粒是对分析物有活性的拉曼。

公开(公告)号：US08472018B2

公开(公告)日：2013-06-25

申请号：US12847982

申请日：2010-07-30

Applicant: Michael J. Stuke ,  Michael R. T. Tan ,  Alexandre M. Bratkovski ,  Min Hu ,  Huei Pei Kuo ,  Jingjing Li ,  Zhiyong Li ,  Fung Suong Ou ,  Shih-Yuan Wang ,  Wei Wu

Inventor： Michael J. Stuke ,  Michael R. T. Tan ,  Alexandre M. Bratkovski ,  Min Hu ,  Huei Pei Kuo ,  Jingjing Li ,  Zhiyong Li ,  Fung Suong Ou ,  Shih-Yuan Wang ,  Wei Wu

IPC: G01J3/44

CPC classification number: G01N21/65 ,  G01N21/658

Abstract: Systems and methods employ a layer having a pattern that provides multiple discrete guided mode resonances for respective couplings of separated wavelengths into the layer. Further, a structure including features shaped to enhance Raman scattering to produce light of the resonant wavelengths can be employed with the patterned layer.

Abstract translation: 系统和方法采用具有图案的层，该图案为分离的波长的各个耦合提供到层中提供多个离散的引导模式谐振。 此外，可以使用包括成形为增强拉曼散射以产生谐振波长的光的特征的结构与图案化层。

公开(公告)号：US20130120748A1

公开(公告)日：2013-05-16

申请号：US13810982

申请日：2010-07-30

Applicant: Zhiyong Li ,  Min Hu ,  Wei Wu

Inventor： Zhiyong Li ,  Min Hu ,  Wei Wu

IPC: G01J3/44

CPC classification number: G01N21/658

Abstract: A surface enhanced Raman spectroscopy (SERS) probe apparatus and a method of SERS probing employ Raman-active surfaces of a plurality of nanoscale field concentrator (NFC) structures at a terminal end of an optical fiber. The SERS probe apparatus includes an optical fiber having an optical path and a terminal end that terminates the optical path. The SERS probe apparatus further includes a plurality of NFC structures and nanoparticles on surfaces of the plurality of NFC structures. First ends of the NFC structures are adjacent to the terminal end of optical fiber. The nanoparticles are Raman active to an analyte.

Abstract translation: 表面增强拉曼光谱（SERS）探针装置和SERS探测的方法在光纤的末端使用多个纳米尺度场集中器（NFC）结构的拉曼活性表面。 SERS探针装置包括具有光路的光纤和终止光路的终端。 SERS探针装置还包括在多个NFC结构的表面上的多个NFC结构和纳米颗粒。 NFC结构的第一端与光纤的终端相邻。 纳米颗粒是对分析物有活性的拉曼。

公开(公告)号：US08358407B2

公开(公告)日：2013-01-22

申请号：US12771753

申请日：2010-04-30

Applicant: Min Hu ,  Wei Wu ,  Fung Suong Ou ,  Zhiyong Li ,  R. Stanley Williams

Inventor： Min Hu ,  Wei Wu ,  Fung Suong Ou ,  Zhiyong Li ,  R. Stanley Williams

IPC: G01J3/40

CPC classification number: G01N21/658 ,  B82Y15/00

Abstract: An integrated device for enhancing signals in Surface Enhanced Raman Spectroscopy (SERS). The integrated device comprising an array of nanostructures comprising a material, wherein the material is configured to allow light to pass through. The integrated device also comprising SERS active nanoparticles disposed on at least portion of the array of nanostructures and a mirror integrated below a base of the array of nanostructures. The mirror is configured to reflect light passing through the material into the array of nanostructures.

Abstract translation: 一种用于增强表面增强拉曼光谱（SERS）信号的集成器件。 所述集成器件包括纳米结构的阵列，其包括材料，其中所述材料被配置为允许光通过。 该集成装置还包括设置在纳米结构阵列的至少一部分上的SERS活性纳米颗粒和集成在纳米结构阵列的基底下方的反射镜。 镜子被配置为将通过材料的光反射到纳米结构阵列中。