Femtomolar Detection of Prostate-Specific Antigen:  An Immunoassay Based on Surface-Enhanced Raman Scattering and Immunogold Labels

2003 ◽  
Vol 75 (21) ◽  
pp. 5936-5943 ◽  
Author(s):  
Desiree S. Grubisha ◽  
Robert J. Lipert ◽  
Hye-Young Park ◽  
Jeremy Driskell ◽  
Marc D. Porter
Keyword(s):  
Raman Scattering ◽  
Prostate Specific Antigen ◽  
Specific Antigen ◽  
Surface Enhanced Raman Scattering ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Wash-free magnetic immunoassay of the PSA cancer marker using SERS and droplet microfluidics

Lab on a Chip ◽  
2016 ◽  
Vol 16 (6) ◽  
pp. 1022-1029 ◽  
Author(s):  
Rongke Gao ◽  
Ziyi Cheng ◽  
Andrew J. deMello ◽  
Jaebum Choo
Keyword(s):  
Raman Scattering ◽  
Prostate Specific Antigen ◽  
Specific Antigen ◽  
Surface Enhanced Raman Scattering ◽  
Droplet Microfluidics ◽  
Cancer Marker ◽  
Immunoassay Technique ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

We report a novel wash-free magnetic immunoassay technique for prostate-specific antigen that uses a surface-enhanced Raman scattering-based microdroplet sensor.

Silver nanoparticles deposited on graphene oxide for ultrasensitive surface-enhanced Raman scattering immunoassay of cancer biomarker

Nanoscale ◽  
2018 ◽  
Vol 10 (25) ◽  
pp. 11942-11947 ◽  
Author(s):  
Lin Yang ◽  
Shu Jun Zhen ◽  
Yuan Fang Li ◽  
Cheng Zhi Huang
Keyword(s):  
Silver Nanoparticles ◽  
Graphene Oxide ◽  
Raman Scattering ◽  
Specific Antigen ◽  
Surface Enhanced Raman Scattering ◽  
Raman Signal ◽  
Dissolution Reaction ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

An ultrasensitive surface-enhanced Raman scattering (SERS) immunoassay of prostate specific antigen (PSA) is developed by introducing a common enzyme-induced dissolution reaction of AgNPs on the surface of graphene oxide (GO), which decreases the Raman signal of GO.

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