Detection of C-reactive protein in evanescent wave field usingmicroparticle-tracking velocimetry

Yu Jui Fan, Horn Jiunn Sheen, Yi Hsing Liu, Jing Fa Tsai, Tzu Heng Wu, Kuang Chong Wu, Shiming Lin

研究成果: 雜誌貢獻文章

12 引文 (Scopus)

摘要

A new technique is developed to measure the nanoparticles' Brownian motions by employing microparticle-tracking velocimetry (micro-PTV) in evanescent wave field, which can provide high signal-to-noise ratio images for analyzing nanoparticles' movements. This method enables real-time detection of C-reactive proteins (CRPs) during the rapid interaction between CRPs and anti-CRP-coated nanobeads as CRP concentrations are related to the nanobeads' Brownian velocity in the equilibrium state. The smallest observable nanobeads with 185 nm were utilized in this experiment to detect CRP concentrations as low as 0.1 μg/mL even in a high-viscosity solution. Further, the dissociation constant, KD, can be evaluated based on the experimental results.
原文英語
頁(從 - 到)13751-13754
頁數4
期刊Langmuir
26
發行號17
DOIs
出版狀態已發佈 - 九月 7 2010
對外發佈Yes

指紋

evanescent waves
Velocity measurement
C-Reactive Protein
proteins
Proteins
Nanoparticles
nanoparticles
Brownian movement
microparticles
Signal to noise ratio
signal to noise ratios
dissociation
Viscosity
viscosity
Experiments
interactions

ASJC Scopus subject areas

  • Electrochemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Science(all)
  • Spectroscopy

引用此文

Fan, Y. J., Sheen, H. J., Liu, Y. H., Tsai, J. F., Wu, T. H., Wu, K. C., & Lin, S. (2010). Detection of C-reactive protein in evanescent wave field usingmicroparticle-tracking velocimetry. Langmuir, 26(17), 13751-13754. https://doi.org/10.1021/la102137j

Detection of C-reactive protein in evanescent wave field usingmicroparticle-tracking velocimetry. / Fan, Yu Jui; Sheen, Horn Jiunn; Liu, Yi Hsing; Tsai, Jing Fa; Wu, Tzu Heng; Wu, Kuang Chong; Lin, Shiming.

於: Langmuir, 卷 26, 編號 17, 07.09.2010, p. 13751-13754.

研究成果: 雜誌貢獻文章

Fan, YJ, Sheen, HJ, Liu, YH, Tsai, JF, Wu, TH, Wu, KC & Lin, S 2010, 'Detection of C-reactive protein in evanescent wave field usingmicroparticle-tracking velocimetry', Langmuir, 卷 26, 編號 17, 頁 13751-13754. https://doi.org/10.1021/la102137j
Fan, Yu Jui ; Sheen, Horn Jiunn ; Liu, Yi Hsing ; Tsai, Jing Fa ; Wu, Tzu Heng ; Wu, Kuang Chong ; Lin, Shiming. / Detection of C-reactive protein in evanescent wave field usingmicroparticle-tracking velocimetry. 於: Langmuir. 2010 ; 卷 26, 編號 17. 頁 13751-13754.
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