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Detection of severe acute respiratory syndrome (SARS) coronavirus nucleocapsid protein in human serum using a localized surface plasmon coupled fluorescence fiber-optic biosensor

Identifieur interne : 000806 ( PascalFrancis/Curation ); précédent : 000805; suivant : 000807

Detection of severe acute respiratory syndrome (SARS) coronavirus nucleocapsid protein in human serum using a localized surface plasmon coupled fluorescence fiber-optic biosensor

Auteurs : Jason C. Huang [Taïwan] ; Ying-Feng Chang [Taïwan] ; Kuan-Hsuan Chen [Taïwan] ; Li-Chen Su [Taïwan] ; Chun-Wei Lee [Taïwan] ; Chii-Chang Chen [Taïwan] ; Yi-Ming Arthur Chen [Taïwan] ; Chien Chou [Taïwan]

Source :

RBID : Pascal:09-0446030

Descripteurs français

English descriptors

Abstract

In order to enhance the sensitivity of conventional immunoassay technology for the detection of SARS coronavirus (SARS-CoV) nucleocapsid protein (N protein), we developed a localized surface plasmon coupled fluorescence (LSPCF) fiber-optic biosensor that combines sandwich immunoassay with the LSP technique. Experimentally, a linear relationship between the fluorescence signal and the concentration of recombinant SARS-CoV N (GST-N) protein in buffer solution could be observed from 0.1 pg/mL to 1 ng/mL In addition, the concentration of GST-N protein in diluted serum across a similar range could also be measured. The correlation coefficients (linear scale) for these two measurements were 0.9469 and 0.9624, respectively. In comparison with conventional enzyme linked immunosorbent assay (ELISA), the detection limit of the LSPCF fiber-optic biosensor for the GST-N protein was improved at least 104-fold using the same monoclonal antibodies. Therefore, the LSPCF fiber-optic biosensor shows an ability to detect very low concentration (∼1 pg/mL) of SARS-CoV N protein in serum. The biosensor should help with the early diagnosis of SARS infection.
pA  
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A08 01  1  ENG  @1 Detection of severe acute respiratory syndrome (SARS) coronavirus nucleocapsid protein in human serum using a localized surface plasmon coupled fluorescence fiber-optic biosensor
A11 01  1    @1 HUANG (Jason C.)
A11 02  1    @1 CHANG (Ying-Feng)
A11 03  1    @1 CHEN (Kuan-Hsuan)
A11 04  1    @1 SU (Li-Chen)
A11 05  1    @1 LEE (Chun-Wei)
A11 06  1    @1 CHEN (Chii-Chang)
A11 07  1    @1 CHEN (Yi-Ming Arthur)
A11 08  1    @1 CHOU (Chien)
A14 01      @1 Department of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University @2 Taipei 112 @3 TWN @Z 1 aut. @Z 5 aut. @Z 8 aut.
A14 02      @1 Institute of Biophotonics, National Yang-Ming University @2 Taipei 112 @3 TWN @Z 2 aut. @Z 8 aut.
A14 03      @1 AIDS Prevention and Research Center, National Yang-Ming University @2 Taipei 112 @3 TWN @Z 1 aut. @Z 3 aut. @Z 7 aut.
A14 04      @1 Department of Optics and Photonics, National Central University @2 Taoyuan 320 @3 TWN @Z 4 aut. @Z 6 aut.
A14 05      @1 Department of Education and Research, Taipei City Hospital @2 Taipei 112 @3 TWN @Z 1 aut.
A14 06      @1 Institute of Microbiology and Immunology, National Yang-Ming University @2 Taipei 112 @3 TWN @Z 5 aut. @Z 7 aut.
A14 07      @1 Graduate Institute of Electro-Optical Engineering, Chang Gung University @2 Taoyuan 333 @3 TWN @Z 8 aut.
A20       @1 320-325
A21       @1 2009
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C01 01    ENG  @0 In order to enhance the sensitivity of conventional immunoassay technology for the detection of SARS coronavirus (SARS-CoV) nucleocapsid protein (N protein), we developed a localized surface plasmon coupled fluorescence (LSPCF) fiber-optic biosensor that combines sandwich immunoassay with the LSP technique. Experimentally, a linear relationship between the fluorescence signal and the concentration of recombinant SARS-CoV N (GST-N) protein in buffer solution could be observed from 0.1 pg/mL to 1 ng/mL In addition, the concentration of GST-N protein in diluted serum across a similar range could also be measured. The correlation coefficients (linear scale) for these two measurements were 0.9469 and 0.9624, respectively. In comparison with conventional enzyme linked immunosorbent assay (ELISA), the detection limit of the LSPCF fiber-optic biosensor for the GST-N protein was improved at least 104-fold using the same monoclonal antibodies. Therefore, the LSPCF fiber-optic biosensor shows an ability to detect very low concentration (∼1 pg/mL) of SARS-CoV N protein in serum. The biosensor should help with the early diagnosis of SARS infection.
C02 01  X    @0 002A31C09B
C02 02  X    @0 215
C03 01  X  FRE  @0 Détection @5 01
C03 01  X  ENG  @0 Detection @5 01
C03 01  X  SPA  @0 Detección @5 01
C03 02  X  FRE  @0 Syndrome respiratoire aigu sévère @2 NM @5 02
C03 02  X  ENG  @0 Severe acute respiratory syndrome @2 NM @5 02
C03 02  X  SPA  @0 Síndrome respiratorio agudo severo @2 NM @5 02
C03 03  X  FRE  @0 Nucléocapside @5 10
C03 03  X  ENG  @0 Nucleocapsid @5 10
C03 03  X  SPA  @0 Nucleocápside @5 10
C03 04  X  FRE  @0 Protéine @5 11
C03 04  X  ENG  @0 Protein @5 11
C03 04  X  SPA  @0 Proteína @5 11
C03 05  X  FRE  @0 Homme @5 12
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C03 06  X  SPA  @0 Coronavirus @2 NW @5 13
C03 07  X  FRE  @0 Sérum @5 19
C03 07  X  ENG  @0 Serum @5 19
C03 07  X  SPA  @0 Suero @5 19
C03 08  X  FRE  @0 Plasmon surface @5 20
C03 08  X  ENG  @0 Surface plasmon @5 20
C03 08  X  SPA  @0 Plasmón superficie @5 20
C03 09  X  FRE  @0 Fluorescence @5 21
C03 09  X  ENG  @0 Fluorescence @5 21
C03 09  X  SPA  @0 Fluorescencia @5 21
C03 10  X  FRE  @0 Fibre optique @5 22
C03 10  X  ENG  @0 Optical fiber @5 22
C03 10  X  SPA  @0 Fibra óptica @5 22
C03 11  X  FRE  @0 Biodétecteur @5 35
C03 11  X  ENG  @0 Biosensor @5 35
C03 11  X  SPA  @0 Biodetector @5 35
C03 12  X  FRE  @0 Or @2 NC @5 36
C03 12  X  ENG  @0 Gold @2 NC @5 36
C03 12  X  SPA  @0 Oro @2 NC @5 36
C03 13  X  FRE  @0 Nanoparticule @5 37
C03 13  X  ENG  @0 Nanoparticle @5 37
C03 13  X  SPA  @0 Nanopartícula @5 37
C07 01  X  FRE  @0 Virose
C07 01  X  ENG  @0 Viral disease
C07 01  X  SPA  @0 Virosis
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C07 04  X  FRE  @0 Nidovirales @2 NW
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C07 05  X  FRE  @0 Virus @2 NW
C07 05  X  ENG  @0 Virus @2 NW
C07 05  X  SPA  @0 Virus @2 NW
N21       @1 320
N44 01      @1 OTO
N82       @1 OTO

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Pascal:09-0446030

Le document en format XML

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<term>Coronavirus</term>
<term>Detection</term>
<term>Fluorescence</term>
<term>Gold</term>
<term>Human</term>
<term>Nanoparticle</term>
<term>Nucleocapsid</term>
<term>Optical fiber</term>
<term>Protein</term>
<term>Serum</term>
<term>Severe acute respiratory syndrome</term>
<term>Surface plasmon</term>
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<keywords scheme="Pascal" xml:lang="fr">
<term>Détection</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Nucléocapside</term>
<term>Protéine</term>
<term>Homme</term>
<term>Coronavirus</term>
<term>Sérum</term>
<term>Plasmon surface</term>
<term>Fluorescence</term>
<term>Fibre optique</term>
<term>Biodétecteur</term>
<term>Or</term>
<term>Nanoparticule</term>
</keywords>
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<term>Homme</term>
<term>Or</term>
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<front>
<div type="abstract" xml:lang="en">In order to enhance the sensitivity of conventional immunoassay technology for the detection of SARS coronavirus (SARS-CoV) nucleocapsid protein (N protein), we developed a localized surface plasmon coupled fluorescence (LSPCF) fiber-optic biosensor that combines sandwich immunoassay with the LSP technique. Experimentally, a linear relationship between the fluorescence signal and the concentration of recombinant SARS-CoV N (GST-N) protein in buffer solution could be observed from 0.1 pg/mL to 1 ng/mL In addition, the concentration of GST-N protein in diluted serum across a similar range could also be measured. The correlation coefficients (linear scale) for these two measurements were 0.9469 and 0.9624, respectively. In comparison with conventional enzyme linked immunosorbent assay (ELISA), the detection limit of the LSPCF fiber-optic biosensor for the GST-N protein was improved at least 10
<sup>4</sup>
-fold using the same monoclonal antibodies. Therefore, the LSPCF fiber-optic biosensor shows an ability to detect very low concentration (∼1 pg/mL) of SARS-CoV N protein in serum. The biosensor should help with the early diagnosis of SARS infection.</div>
</front>
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<s1>Detection of severe acute respiratory syndrome (SARS) coronavirus nucleocapsid protein in human serum using a localized surface plasmon coupled fluorescence fiber-optic biosensor</s1>
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<s1>HUANG (Jason C.)</s1>
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<s1>Department of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University</s1>
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<sZ>5 aut.</sZ>
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<s1>AIDS Prevention and Research Center, National Yang-Ming University</s1>
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<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
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<s3>TWN</s3>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
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<fA14 i1="05">
<s1>Department of Education and Research, Taipei City Hospital</s1>
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<s1>INIST</s1>
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<s0>In order to enhance the sensitivity of conventional immunoassay technology for the detection of SARS coronavirus (SARS-CoV) nucleocapsid protein (N protein), we developed a localized surface plasmon coupled fluorescence (LSPCF) fiber-optic biosensor that combines sandwich immunoassay with the LSP technique. Experimentally, a linear relationship between the fluorescence signal and the concentration of recombinant SARS-CoV N (GST-N) protein in buffer solution could be observed from 0.1 pg/mL to 1 ng/mL In addition, the concentration of GST-N protein in diluted serum across a similar range could also be measured. The correlation coefficients (linear scale) for these two measurements were 0.9469 and 0.9624, respectively. In comparison with conventional enzyme linked immunosorbent assay (ELISA), the detection limit of the LSPCF fiber-optic biosensor for the GST-N protein was improved at least 10
<sup>4</sup>
-fold using the same monoclonal antibodies. Therefore, the LSPCF fiber-optic biosensor shows an ability to detect very low concentration (∼1 pg/mL) of SARS-CoV N protein in serum. The biosensor should help with the early diagnosis of SARS infection.</s0>
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<fC02 i1="02" i2="X">
<s0>215</s0>
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<s5>01</s5>
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<s5>01</s5>
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<s0>Detección</s0>
<s5>01</s5>
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<s5>02</s5>
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<s0>Nucleocápside</s0>
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<s0>Protéine</s0>
<s5>11</s5>
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<s5>13</s5>
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<s5>20</s5>
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<s5>20</s5>
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<fC03 i1="08" i2="X" l="SPA">
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<s5>20</s5>
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<s5>21</s5>
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<s0>Fluorescence</s0>
<s5>21</s5>
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<s0>Fluorescencia</s0>
<s5>21</s5>
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<s0>Fibre optique</s0>
<s5>22</s5>
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<fC03 i1="10" i2="X" l="ENG">
<s0>Optical fiber</s0>
<s5>22</s5>
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<fC03 i1="10" i2="X" l="SPA">
<s0>Fibra óptica</s0>
<s5>22</s5>
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<fC03 i1="11" i2="X" l="FRE">
<s0>Biodétecteur</s0>
<s5>35</s5>
</fC03>
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<s5>35</s5>
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<s5>35</s5>
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<s2>NC</s2>
<s5>36</s5>
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<s0>Coronaviridae</s0>
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<s0>Nidovirales</s0>
<s2>NW</s2>
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<fC07 i1="04" i2="X" l="ENG">
<s0>Nidovirales</s0>
<s2>NW</s2>
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<s0>Nidovirales</s0>
<s2>NW</s2>
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<fC07 i1="05" i2="X" l="FRE">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fN21>
<s1>320</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
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<fN82>
<s1>OTO</s1>
</fN82>
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