METAL COATED NANOCRYSTALLINE SILICON AS AN ACTIVE SURFACE ENHANCED RAMAN SPECTROSCOPY (SERS) SUBSTRATE

    公开(公告)号:MY134271A

    公开(公告)日:2007-11-30

    申请号:MYPI20032186

    申请日:2003-06-12

    Applicant: INTEL CORP

    Abstract: THE METHODS AND APPARATUS (300) DISCLOSED HEREIN CONCERN RAMAN SPECTROSCOPY USING METAL COATED NANOCRYSTALLINE POROUS SILICON SUBSTRATES (240, 340). IN CERTAIN EMBODIMENTS OF THE INVENTION, POROUS SILICON SUBSTRATES (110, 210) MAY BE FORMED BY ANODIC ETCHING IN DILUTE HYDROFLUORIC ACID (150).A THIN COATING OF A RAMAN ACTIVE METAL, SUCH AS GOLD OR SILVER, MAY BE COATED ONTO THE POROUS SILICON (110, 210) BY CATHODIC ELECTROMIGRATION OR ANY KNOWN TECHNIQUE. THE METAL-COATED SUBSTRATE (240, 340) PROVIDES AN EXTENSIVE, METAL RICH ENVIRONMENT FOR SERS, SERRS,HYPER- RAMAN AND/OR CARS RAMAN SPECTROSCOPY. IN CERTAIN EMBODIMENTS OF THE INVENTION, METAL NANOPARTICLES MAY BE ADDED TO THE METAL-COATED SUBSTRATE (240, 340) TO FURTHER ENHANCE THE RAMAN SIGNALS. RAMAN SPECTROSCOPY MAY BE USED TO DETECT, IDENTIFY AND/OR QUANTIFY A WIDE VARIETY OF ANALYTES, USING THE DISCLOSED METHODS AND APPARATUS (300).(FIG 2)

    3.
    发明专利
    未知

    公开(公告)号:DE60316150D1

    公开(公告)日:2007-10-18

    申请号:DE60316150

    申请日:2003-05-16

    Applicant: INTEL CORP

    Abstract: The methods and apparatus 300 disclosed herein concern Raman spectroscopy using metal coated nanocrystalline porous silicon substrates 240, 340 . In certain embodiments of the invention, porous silicon substrates 110, 210 may be formed by anodic etching in dilute hydrofluoric acid 150 . A thin coating of a Raman active metal, such as gold or silver, may be coated onto the porous silicon 110, 210 by cathodic electromigration or any known technique. The metal-coated substrate 240, 340 provides an extensive, metal rich environment for SERS, SERRS, hyper-Raman and/or CARS Raman spectroscopy. In certain embodiments of the invention, metal nanoparticles may be added to the metal-coated substrate 240, 340 to further enhance the Raman signals. Raman spectroscopy may be used to detect, identify and/or quantify a wide variety of analytes, using the disclosed methods and apparatus 300.

    CONTROLLED ALIGNMENT OF NANOBARCODES ENCODING SPECIFIC INFORMATION FOR SCANNING PROBE MICROSCOPY (SPM) READING

    公开(公告)号:MY136594A

    公开(公告)日:2008-10-31

    申请号:MYPI20033120

    申请日:2003-08-15

    Applicant: INTEL CORP

    Abstract: THE METHODS, APPARATUS AND COMPOSITIONS DISCLOSED HEREIN CONCERN THE DETECTION, IDENTIFIATION AND/OR SEQUENCING OF BIOMOLECULES, SUCH AS NUCLEIC ACIDS OR PROTEINS. IN CERTAIN EMBODIMENTS OF THE INVENTION, CODED PROBES COMPRISING A PROBE MOLECULE ATTACHED TO ONE OR MORE NANOBARCODES MAY BE ALLOWED TO BIND TO ONE OR MORE TARGET MOLECULES. AFTER BINDING AND SEPARATION FROM UNBOUND CODED PROBES, THE BOUND CODED PROBES MAY BE ALIGNED ONA SURFACE AND ANALYZED BY SCANNING PROBE MICROSCOPY. THE NANOBARCODES MAY BE ANY MOLECULE OR COMPLEX THAT IS DISTINGUISHABLE BY SPM, SUCH AS CARBON NANOTUBES , FULLERENESS, SUBMICROMETER METALLIC BARCODES, NANOPARTICLES OR QUANTUM DOTS. WHERE THE PROBES ARE OLIGONUCLEOTIDES,ADJACENT CODED PROBES HYBRIDIZED TO A TARGET NUCLEIC ACID MAY BE LIGATED TOGETHER BEFORE ALIGNMENT AN DSPM ANALYSIS. COMPOSITIONS COMPRISING CODED PROBES ARE ALSO DISCLOSED HEREIN. SYSTEMS FOR BIOMOLECULE ANALYSIS MAY COMPRISE AN SPM INSTRUMENT AND AT LEAST ONE CODED PROBE ATTACHED TO A SURFACE.

    DETECTING MOLECULAR BINDING BY MONITORING FEEDBACK CONTROLLED CANTILEVER DEFLECTIONS

    公开(公告)号:MY134398A

    公开(公告)日:2007-12-31

    申请号:MYPI20033401

    申请日:2003-09-09

    Applicant: INTEL CORP

    Abstract: THE PRESENT METHODS AND APPARATUS CONCERN THE DETECTION AND/OR IDENTIFICATION OF TARGET ANALYTES USING PROBE MOLECULES. IN VARIOUS EMBODIMENTS OF THE INVENTION, THE PROBES OR ANALYTES ARE ATTACHED TO ONE OR MORE CANTILEVERS. BINDING OF A PROBE TO AN ANALYTE RESULTS IN DEFLECTION OF THE CANTILEVER, DETECTED BY A DETECTION UNIT. A COUNTERBALANCING FORCE MAY BE APPLIED TO RESTORE THE CANTILEVER TO ITS ORIGINAL POSITION. THE COUNTERBALANCING FORCE MAY BE MAGNETIC, ELECTRICAL OR RADIATIVE. THE DETECTION UNIT AND THE MECHANISM GENERATING THE COUNTERBALANCING FORCE MAY BE OPERABLY COUPLED TO AN INFORMATION PROCESSING AND CONTROL UNIT, SUCH AS A COMPUTER. THE COMPUTER MAY REGULATE A FEEDBACK LOOP THAT MAINTAINS THE CANTILEVER IN A FIXED POSITION BY BALANCING THE DEFLECTING FORCE AND THE COUNTERBALANCING FORCE. THE CONCENTRATION OF ANALYTES IN A SAMPLE MAY BE DETERMINED FROM THE MAGNITUDE OF THE COUNTERBALANCING FORCE REQUIRED TO MAINTAIN THE CANTILEVER IN A FIXED POSITION.(FIG 1)

    MICROFLUIDIC DEVICES WITH POROUS MEMBRANES FOR MOLECULAR SIEVING, METERING, AND SEPARATIONS

    公开(公告)号:MY139029A

    公开(公告)日:2009-08-28

    申请号:MYPI20033197

    申请日:2003-08-22

    Applicant: INTEL CORP

    Abstract: MICROFLUIDIC DEVICE (100) WITH POROUS MEMBRANES FOR MOLECULAR SIEVING, METERING, AND SEPARATION OF ANALYTE FLUIDS. IN ONE ASPECT, A MICROFLUIDIC DEVICE INCLUDES A SUBSTRATE (106) HAVING INPUT AND OUTPUT MICROFLUIDIC CHANNEL SECTIONS (108, 112) SEPARATED BY A POROUS MEMBRANE (202) FORMED INTEGRAL TO THE SUBSTRATE. IN ANOTHER ASPECT, THE POROUS MEMBRANE MAY COMPRISE A THIN MEMBRANE THAT IS SANDWICHED BETWEEN UPPER AND LOWER SUBSTRATE MEMBERS (220, 222). THE MICROFLUIDIC DEVICE MAY INCLUDE ONE OR A PLURALITY OF POROUS MEMBRANES. IN ONE EMBODIMENT, A PLURALITY OF POROUS MEMBRANES (202) HAVING INCREASINGLY SMALLER PORES ARE DISPOSED ALONG PORTIONS OF A MICROFLUIDIC CHANNEL. IN ANOTHER EMBODIMENT, A CASCADING SERIES OF UPPER AND LOWER CHANNELS (204, 206) ARE EMPLOYED, WHEREIN EACH UPPER/LOWER CHANNEL INTERFACE IS SEPARATED BY A RESPECTIVE POROUS MEMBRANE. IN ANOTHER ASPECT, A POROUS MEMBRANE IS ROTATABLY COUPLED TO A SUBSTRATE WITHIN A MICROFLUIDIC CHANNEL VIA A MEMS ACTUATOR (642) TO ENABLE THE POROUS MEMBRANE TO BE POSITIONED IN FILTERING AND PASS-THROUGH POSITIONS.

    7.
    发明专利
    未知

    公开(公告)号:DE60316150T2

    公开(公告)日:2008-06-05

    申请号:DE60316150

    申请日:2003-05-16

    Applicant: INTEL CORP

    Abstract: The methods and apparatus 300 disclosed herein concern Raman spectroscopy using metal coated nanocrystalline porous silicon substrates 240, 340 . In certain embodiments of the invention, porous silicon substrates 110, 210 may be formed by anodic etching in dilute hydrofluoric acid 150 . A thin coating of a Raman active metal, such as gold or silver, may be coated onto the porous silicon 110, 210 by cathodic electromigration or any known technique. The metal-coated substrate 240, 340 provides an extensive, metal rich environment for SERS, SERRS, hyper-Raman and/or CARS Raman spectroscopy. In certain embodiments of the invention, metal nanoparticles may be added to the metal-coated substrate 240, 340 to further enhance the Raman signals. Raman spectroscopy may be used to detect, identify and/or quantify a wide variety of analytes, using the disclosed methods and apparatus 300.

    8.
    发明专利
    未知

    公开(公告)号:AT372505T

    公开(公告)日:2007-09-15

    申请号:AT03760213

    申请日:2003-05-16

    Applicant: INTEL CORP

    Abstract: The methods and apparatus 300 disclosed herein concern Raman spectroscopy using metal coated nanocrystalline porous silicon substrates 240, 340 . In certain embodiments of the invention, porous silicon substrates 110, 210 may be formed by anodic etching in dilute hydrofluoric acid 150 . A thin coating of a Raman active metal, such as gold or silver, may be coated onto the porous silicon 110, 210 by cathodic electromigration or any known technique. The metal-coated substrate 240, 340 provides an extensive, metal rich environment for SERS, SERRS, hyper-Raman and/or CARS Raman spectroscopy. In certain embodiments of the invention, metal nanoparticles may be added to the metal-coated substrate 240, 340 to further enhance the Raman signals. Raman spectroscopy may be used to detect, identify and/or quantify a wide variety of analytes, using the disclosed methods and apparatus 300.

    METAL COATED NANOCRYSTALLINE SILICON AS AN ACTIVE SURFACE ENHANCED RAMAN SPECTROSCOPY (SERS) SUBSTRATE

    公开(公告)号:AU2003232139A1

    公开(公告)日:2003-12-31

    申请号:AU2003232139

    申请日:2003-05-16

    Applicant: INTEL CORP

    Abstract: The methods and apparatus 300 disclosed herein concern Raman spectroscopy using metal coated nanocrystalline porous silicon substrates 240, 340 . In certain embodiments of the invention, porous silicon substrates 110, 210 may be formed by anodic etching in dilute hydrofluoric acid 150 . A thin coating of a Raman active metal, such as gold or silver, may be coated onto the porous silicon 110, 210 by cathodic electromigration or any known technique. The metal-coated substrate 240, 340 provides an extensive, metal rich environment for SERS, SERRS, hyper-Raman and/or CARS Raman spectroscopy. In certain embodiments of the invention, metal nanoparticles may be added to the metal-coated substrate 240, 340 to further enhance the Raman signals. Raman spectroscopy may be used to detect, identify and/or quantify a wide variety of analytes, using the disclosed methods and apparatus 300.

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