Hemoglobin detection on AgO surface enhanced Raman scattering (SERS)-substrates

Raju, N. Ravi Chandra (2014) Hemoglobin detection on AgO surface enhanced Raman scattering (SERS)-substrates. Materials Letters, 130 274-276. doi:10.1016/j.matlet.2014.05.137

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Author Raju, N. Ravi Chandra
Title Hemoglobin detection on AgO surface enhanced Raman scattering (SERS)-substrates
Journal name Materials Letters   Check publisher's open access policy
ISSN 0167-577X
1873-4979
Publication date 2014-09-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.matlet.2014.05.137
Open Access Status
Volume 130
Start page 274
End page 276
Total pages 3
Publisher Elsevier
Collection year 2015
Language eng
Formatted abstract
Human hemoglobin (2.2×10-4 M) detection has been demonstrated on AgO surface enhanced Raman scattering (SERS)-substrates. Hot spots that enable detection of hemoglobin using SERS are formed at the silver nanoclusters induced by the photo-activation of AgO under Raman excitation wavelength (633 nm). Higher enhancement is observed at integration time (20 s) and threshold energy density (12 M J/cm2). At higher excitation energy densities photo-chemical (or photo-thermal) activity of the hemoglobin molecules are dominated. These results are critical to the future use of AgO films as SERS substrates for the detection of biological molecules.
Keyword Silver oxide
Surface enhanced Raman scattering
Hemoglobin
Silver nanoclusters
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
Official Audit
School of Chemistry and Molecular Biosciences
 
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Created: Tue, 01 Jul 2014, 00:13:27 EST by System User on behalf of School of Chemistry & Molecular Biosciences