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Surface enhanced Raman scattering (SERS)-active bacterial detection by layer-by-layer (LbL) assembly all-nanoparticle microcapsules

Jie Li (UGent) , Dmitry Khalenkow, Dmitry Volodkin, Ales Lapanje, Andre Skirtach (UGent) and Bogdan Parakhonskiy (UGent)
(2022) COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS. 650.
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Abstract
Polymeric microcapsules composed by the Layer-by-Layer (LbL) approach have been used for various applications including drug delivery into cells and in vivo, conducting enzyme catalyzed reactions, performing sensoric functions. Typically, LbL-assembled microcapsules have been formulated via alternating deposition of positively and negatively charged polyelectrolytes onto sacrificial templates or so-called cores. In this work, we extend the LbL assembly to produce microcapsules solely based on nanoparticles instead of polymers. We have identified that 5 layers of nanoparticles is the minimum number of layers for a stable assembly of capsules on calcium carbonate templates. Subsequently, these capsules comprised of nanoparticles were applied as Surface Enhanced Raman Scattering (SERS) platform, where the nanoparticle-based shell of capsules is shown to enable SERS of both solutes and macromolecular structures such as bacterial cells.
Keywords
Colloid and Surface Chemistry, Nanoparticles, SERS, Polyelectrolyte, Multilayer, LbL, Capsules, SERS, Bacterial, POLYELECTROLYTE MICROCAPSULES, SILVER NANOPARTICLES, SERS, RELEASE, ENCAPSULATION, SPECTROSCOPY, PARTICLES, MICROSPHERES, TEMPLATES, DELIVERY

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Citation

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MLA
Li, Jie, et al. “Surface Enhanced Raman Scattering (SERS)-Active Bacterial Detection by Layer-by-Layer (LbL) Assembly All-Nanoparticle Microcapsules.” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 650, 2022, doi:10.1016/j.colsurfa.2022.129547.
APA
Li, J., Khalenkow, D., Volodkin, D., Lapanje, A., Skirtach, A., & Parakhonskiy, B. (2022). Surface enhanced Raman scattering (SERS)-active bacterial detection by layer-by-layer (LbL) assembly all-nanoparticle microcapsules. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 650. https://doi.org/10.1016/j.colsurfa.2022.129547
Chicago author-date
Li, Jie, Dmitry Khalenkow, Dmitry Volodkin, Ales Lapanje, Andre Skirtach, and Bogdan Parakhonskiy. 2022. “Surface Enhanced Raman Scattering (SERS)-Active Bacterial Detection by Layer-by-Layer (LbL) Assembly All-Nanoparticle Microcapsules.” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 650. https://doi.org/10.1016/j.colsurfa.2022.129547.
Chicago author-date (all authors)
Li, Jie, Dmitry Khalenkow, Dmitry Volodkin, Ales Lapanje, Andre Skirtach, and Bogdan Parakhonskiy. 2022. “Surface Enhanced Raman Scattering (SERS)-Active Bacterial Detection by Layer-by-Layer (LbL) Assembly All-Nanoparticle Microcapsules.” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 650. doi:10.1016/j.colsurfa.2022.129547.
Vancouver
1.
Li J, Khalenkow D, Volodkin D, Lapanje A, Skirtach A, Parakhonskiy B. Surface enhanced Raman scattering (SERS)-active bacterial detection by layer-by-layer (LbL) assembly all-nanoparticle microcapsules. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS. 2022;650.
IEEE
[1]
J. Li, D. Khalenkow, D. Volodkin, A. Lapanje, A. Skirtach, and B. Parakhonskiy, “Surface enhanced Raman scattering (SERS)-active bacterial detection by layer-by-layer (LbL) assembly all-nanoparticle microcapsules,” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 650, 2022.
@article{8759319,
  abstract     = {{Polymeric microcapsules composed by the Layer-by-Layer (LbL) approach have been used for various applications including drug delivery into cells and in vivo, conducting enzyme catalyzed reactions, performing sensoric functions. Typically, LbL-assembled microcapsules have been formulated via alternating deposition of positively and negatively charged polyelectrolytes onto sacrificial templates or so-called cores. In this work, we extend the LbL assembly to produce microcapsules solely based on nanoparticles instead of polymers. We have identified that 5 layers of nanoparticles is the minimum number of layers for a stable assembly of capsules on calcium carbonate templates. Subsequently, these capsules comprised of nanoparticles were applied as Surface Enhanced Raman Scattering (SERS) platform, where the nanoparticle-based shell of capsules is shown to enable SERS of both solutes and macromolecular structures such as bacterial cells.}},
  articleno    = {{129547}},
  author       = {{Li, Jie and Khalenkow, Dmitry and Volodkin, Dmitry and Lapanje, Ales and Skirtach, Andre and Parakhonskiy, Bogdan}},
  issn         = {{0927-7757}},
  journal      = {{COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS}},
  keywords     = {{Colloid and Surface Chemistry,Nanoparticles,SERS,Polyelectrolyte,Multilayer,LbL,Capsules,SERS,Bacterial,POLYELECTROLYTE MICROCAPSULES,SILVER NANOPARTICLES,SERS,RELEASE,ENCAPSULATION,SPECTROSCOPY,PARTICLES,MICROSPHERES,TEMPLATES,DELIVERY}},
  language     = {{eng}},
  pages        = {{9}},
  title        = {{Surface enhanced Raman scattering (SERS)-active bacterial detection by layer-by-layer (LbL) assembly all-nanoparticle microcapsules}},
  url          = {{http://doi.org/10.1016/j.colsurfa.2022.129547}},
  volume       = {{650}},
  year         = {{2022}},
}
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