JP5466226B2 - 表面増強ラマン散乱活性測定基板 - Google Patents
表面増強ラマン散乱活性測定基板 Download PDFInfo
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- JP5466226B2 JP5466226B2 JP2011502794A JP2011502794A JP5466226B2 JP 5466226 B2 JP5466226 B2 JP 5466226B2 JP 2011502794 A JP2011502794 A JP 2011502794A JP 2011502794 A JP2011502794 A JP 2011502794A JP 5466226 B2 JP5466226 B2 JP 5466226B2
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- 239000000758 substrate Substances 0.000 title claims description 64
- 238000004416 surface enhanced Raman spectroscopy Methods 0.000 title claims description 28
- 230000000694 effects Effects 0.000 title claims description 21
- 238000005259 measurement Methods 0.000 title claims description 18
- 230000002776 aggregation Effects 0.000 claims description 46
- 238000004220 aggregation Methods 0.000 claims description 41
- 229910052751 metal Inorganic materials 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 41
- 239000006185 dispersion Substances 0.000 claims description 32
- 239000002082 metal nanoparticle Substances 0.000 claims description 31
- 229910052709 silver Inorganic materials 0.000 claims description 21
- 239000004332 silver Substances 0.000 claims description 21
- 238000001069 Raman spectroscopy Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 239000002105 nanoparticle Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- -1 silver ions Chemical class 0.000 claims description 7
- 230000004931 aggregating effect Effects 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 239000003446 ligand Substances 0.000 claims description 5
- 150000004696 coordination complex Chemical class 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims 1
- 229940024606 amino acid Drugs 0.000 description 17
- 150000001413 amino acids Chemical group 0.000 description 17
- 102000004169 proteins and genes Human genes 0.000 description 15
- 108090000623 proteins and genes Proteins 0.000 description 15
- 239000004094 surface-active agent Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 10
- 229910021645 metal ion Inorganic materials 0.000 description 9
- 238000000479 surface-enhanced Raman spectrum Methods 0.000 description 9
- MWVTWFVJZLCBMC-UHFFFAOYSA-N 4,4'-bipyridine Chemical compound C1=NC=CC(C=2C=CN=CC=2)=C1 MWVTWFVJZLCBMC-UHFFFAOYSA-N 0.000 description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 7
- 229910052737 gold Inorganic materials 0.000 description 7
- 239000010931 gold Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910001369 Brass Inorganic materials 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 239000010951 brass Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- QNAYBMKLOCPYGJ-UHFFFAOYSA-N D-alpha-Ala Natural products CC([NH3+])C([O-])=O QNAYBMKLOCPYGJ-UHFFFAOYSA-N 0.000 description 5
- QNAYBMKLOCPYGJ-UWTATZPHSA-N L-Alanine Natural products C[C@@H](N)C(O)=O QNAYBMKLOCPYGJ-UWTATZPHSA-N 0.000 description 5
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 5
- 229960003767 alanine Drugs 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000002280 amphoteric surfactant Substances 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 239000004472 Lysine Substances 0.000 description 2
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000427 antigen Substances 0.000 description 2
- 102000036639 antigens Human genes 0.000 description 2
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- 239000013626 chemical specie Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
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- 230000008021 deposition Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 238000002331 protein detection Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- ZBKIUFWVEIBQRT-UHFFFAOYSA-N gold(1+) Chemical compound [Au+] ZBKIUFWVEIBQRT-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 125000003588 lysine group Chemical group [H]N([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(N([H])[H])C(*)=O 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010206 sensitivity analysis Methods 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000001845 vibrational spectrum Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
- G01N21/658—Raman scattering enhancement Raman, e.g. surface plasmons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
- G01N33/54346—Nanoparticles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/551—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being inorganic
- G01N33/553—Metal or metal coated
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Nanotechnology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biophysics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Description
上述したように、金属基板は凝集対象の金属ナノ粒子又はクラスタとの関係で電極電位を考慮して選択されるが、銀ナノ粒子またはクラスタを凝集させるには銅板、真鍮板又はリン青銅板等の銅合金板が選択されるのが好ましい。この銀ナノクラスタ分散液を金属基板上で凝集させると、金属基板上にSERS活性を有するクラスタが配位子とともに結晶を形成するものと思われ(図5)、ホットサイトの作成に適する凝集領域となる。
Claims (2)
- SERS活性を有する金属の粒径100nm以下のナノ粒子(クラスタを含む)として銀イオンを含み、かつ該銀のイオンと金属錯体を形成する配位子を供給する配位化合物を含む銀ナノ粒子(クラスタを含む)100〜5000ppm 分散液を、銀の電極電位より卑なる(高い)電極電位を有する銅又は銅合金からなる基板上で電極電位差により凝集させ、上記分散液中のSERS活性を有する金属を表面増強ラマン散乱(SERS)活性を有する凝集状態で凝集停止させてなる凝集領域を有することを特徴とする表面増強ラマン散乱(SERS)光測定用基板。
- 銅又は銅合金からなる基板を用意する一方、SERS活性を有する金属の粒径100nm以下のナノ粒子(クラスタを含む)として銀イオンを含み、かつ該銀のイオンと金属錯体を形成する配位子を供給する配位化合物を含む銀ナノ粒子(クラスタを含む)の100〜5000ppm 分散液を用意し、該分散液を滴下して銀ナノ粒子を表面増強ラマン散乱(SERS)活性を有する状態で凝集を停止させ、請求項1に記載の基板を形成する工程と、該基板の凝集領域に被検出試料を付着させる工程と、金属ナノ粒子表面に吸着させた被検出試料に所定のレーザ光を照射しラマン散乱光を測定する工程を含むことを特徴とする表面増強ラマン散乱(SERS)光測定方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2011502794A JP5466226B2 (ja) | 2009-03-04 | 2010-03-04 | 表面増強ラマン散乱活性測定基板 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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JP2009051105 | 2009-03-04 | ||
JP2009051105 | 2009-03-04 | ||
JP2009171354 | 2009-07-22 | ||
JP2009171354 | 2009-07-22 | ||
PCT/JP2010/053509 WO2010101209A1 (ja) | 2009-03-04 | 2010-03-04 | 表面増強ラマン散乱活性測定基板 |
JP2011502794A JP5466226B2 (ja) | 2009-03-04 | 2010-03-04 | 表面増強ラマン散乱活性測定基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2010101209A1 JPWO2010101209A1 (ja) | 2012-09-10 |
JP5466226B2 true JP5466226B2 (ja) | 2014-04-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011502794A Expired - Fee Related JP5466226B2 (ja) | 2009-03-04 | 2010-03-04 | 表面増強ラマン散乱活性測定基板 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9658163B2 (ja) |
EP (1) | EP2405257A4 (ja) |
JP (1) | JP5466226B2 (ja) |
KR (1) | KR20120022754A (ja) |
CN (1) | CN102428359B (ja) |
WO (1) | WO2010101209A1 (ja) |
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EP2615059B1 (en) * | 2010-09-06 | 2017-11-08 | Mytech Co., Ltd. | Method for producing metal complex quantum crystals |
JP5801587B2 (ja) * | 2011-03-31 | 2015-10-28 | 富士フイルム株式会社 | 光電場増強デバイスの製造方法 |
WO2013065747A1 (ja) * | 2011-10-31 | 2013-05-10 | 有限会社マイテック | 金属錯体量子結晶及びそれを用いる生化学物質の表面増強ラマン散乱(sers)分析法 |
KR101538218B1 (ko) * | 2012-08-24 | 2015-07-22 | 한양대학교 에리카산학협력단 | 표면―증강 라만 산란에 기초한 고속 및 고감도 미량 분석용 유무기 나노섬유 복합체 기판 및 이의 제조방법 |
CN102818800A (zh) * | 2012-09-07 | 2012-12-12 | 天津大学 | 一种基于芯片级试纸的人血尿蛋白检测方法 |
CN103901247B (zh) * | 2012-12-28 | 2016-08-31 | 清华大学 | 电势差测量方法 |
JP6327337B2 (ja) * | 2013-04-29 | 2018-05-23 | アイシン精機株式会社 | 貴金属ナノ粒子の粒度が制御された懸濁液 |
JP6294614B2 (ja) | 2013-05-08 | 2018-03-14 | 有限会社マイテック | 癌関連物質の定量方法 |
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KR101765387B1 (ko) * | 2015-06-24 | 2017-08-23 | 서강대학교산학협력단 | 금속 코아 간 초미세 보이드를 가지는 나노 갭 구조체 및 이를 이용한 분자 검출 장치 및 방법, 선택적 에칭을 통한 상기 나노 갭 구조체의 제조 방법 |
CN106814059B (zh) * | 2017-01-16 | 2019-06-14 | 北京芯创睿胜科技有限公司 | Sers活性液滴、制备方法及分子检测方法 |
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CN113275583B (zh) * | 2021-05-11 | 2022-07-01 | 安徽大学 | 面向农药残留的sers基底制备方法及检测方法 |
US20230035300A1 (en) * | 2021-07-28 | 2023-02-02 | National Cheng Kung University | Method for detecting viruses |
CN114184592B (zh) * | 2021-11-24 | 2023-12-05 | 厦门大学 | 一种基于负电性sers基底的负电性分子sers检测方法 |
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CN102428359A (zh) | 2012-04-25 |
CN102428359B (zh) | 2014-12-31 |
EP2405257A4 (en) | 2017-08-02 |
WO2010101209A1 (ja) | 2010-09-10 |
EP2405257A1 (en) | 2012-01-11 |
US9658163B2 (en) | 2017-05-23 |
JPWO2010101209A1 (ja) | 2012-09-10 |
KR20120022754A (ko) | 2012-03-12 |
US20120115245A1 (en) | 2012-05-10 |
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