Plasmonic Hybrid Biocomposite as an Effective Substrate for Detection of Biomolecules by Surface-Enhanced Raman Spectroscopy

R. V. Chernozem, M. A. Surmeneva, V. Atkin, B. Krause, T. Baumbach, B. V. Parakhonskiy, D. Khalenkow, A. G. Skirtach, R. A. Surmenev

Research output: Contribution to journalArticle

Abstract

The enhancement of the Raman light scattering signal from the surface of the porous hybrid biocomposites based on polyhydroxybutyrate (PHB), calcium carbonate (CaCO3), and nanoplasmonic Ag particles is investigated. Based on PHB, fibrous scaffolds are obtained by the electrospinning technique. The fibrous scaffolds have been covered by CaCO3 and Ag nanoparticles by means of mineralization in salt solutions and Ag reduction reaction. Successful formation of the CaCO3 and Ag nanoparticles on the scaffold surface has been confirmed by the data of scanning electron microscopy, x-ray diffraction analysis, and infrared spectroscopy. Surface-enhanced Raman spectroscopy (SERS) of the obtained sample surface has demonstrated a significant enhancement of the Rhodamine 6G signal (Ef > 105) in comparison with the reference sample where the analyte concentration and the laser power were 100 times higher. Thus, the present research has confirmed prospects for the application of biocomposites based on polyhydroxybutyrate for detection and investigation of biomolecules by the SERS method.

Original languageEnglish
Pages (from-to)1288-1293
Number of pages6
JournalRussian Physics Journal
Volume61
Issue number7
DOIs
Publication statusPublished - 1 Nov 2018

Fingerprint

Raman spectroscopy
nanoparticles
augmentation
calcium carbonates
rhodamine
x ray diffraction
light scattering
infrared spectroscopy
Raman spectra
salts
scanning electron microscopy
lasers

Keywords

  • hybrid biocomposite
  • nanoplasmonic particles
  • scaffold
  • SERS

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Plasmonic Hybrid Biocomposite as an Effective Substrate for Detection of Biomolecules by Surface-Enhanced Raman Spectroscopy. / Chernozem, R. V.; Surmeneva, M. A.; Atkin, V.; Krause, B.; Baumbach, T.; Parakhonskiy, B. V.; Khalenkow, D.; Skirtach, A. G.; Surmenev, R. A.

In: Russian Physics Journal, Vol. 61, No. 7, 01.11.2018, p. 1288-1293.

Research output: Contribution to journalArticle

Chernozem, R. V. ; Surmeneva, M. A. ; Atkin, V. ; Krause, B. ; Baumbach, T. ; Parakhonskiy, B. V. ; Khalenkow, D. ; Skirtach, A. G. ; Surmenev, R. A. / Plasmonic Hybrid Biocomposite as an Effective Substrate for Detection of Biomolecules by Surface-Enhanced Raman Spectroscopy. In: Russian Physics Journal. 2018 ; Vol. 61, No. 7. pp. 1288-1293.
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