High-vacuum vapor deposition and in situ monitoring of N-carboxy anhydride benzyl glutamate polymerization

Hatice Duran, Kenta Ogura, Kenji Nakao, Sulivan D B Vianna, Hiroaki Usui, Rigoberto C. Advincula, Wolfgang Knoll

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A high-vacuum physical vapor deposition (PVD) method was used to grow polypeptide chains from gold surfaces coupled with in situ monitoring using surface plasmon resonance spectroscopy (SPR). Polymerization of N-carboxy anhydride of benzyl-L-glutamate (BLG-NCA) was demonstrated, forming grafted polybenzyl-L-glutamate (PBLG) films. 2-Aminoethanethiol (AET) was used as the initiating site either deposited as a self-assembled monolayer (SAM), as a PVD film, or codeposited on the gold substrates. PBLG films up to 30 nm thick in which the formation of different secondary structures was monitored by in situ SPR and ex situ Fourier transform infrared spectroscopy (FT-IR) methods based on the parameters for deposition were prepared. Furthermore, surface topology and film morphology properties were determined on the basis of AFM measurements and were found to depend largely on the deposition process of the AET. Besides investigation of the AET surface density effects, the orientation of the PBLG chains was also characterized using ex situ FT-IR.

Original languageEnglish
Pages (from-to)10711-10718
Number of pages8
JournalLangmuir
Volume25
Issue number18
DOIs
Publication statusPublished - 2009 Sep 15
Externally publishedYes

Fingerprint

Vacuum deposition
glutamates
Vapor deposition
vacuum deposition
anhydrides
high vacuum
Glutamic Acid
polymerization
Polymerization
vapor deposition
Monitoring
Physical vapor deposition
Gold
Fourier transform infrared spectroscopy
infrared spectroscopy
Spectroscopy
gold
Cysteamine
Anhydrides
Polypeptides

ASJC Scopus subject areas

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

Cite this

Duran, H., Ogura, K., Nakao, K., Vianna, S. D. B., Usui, H., Advincula, R. C., & Knoll, W. (2009). High-vacuum vapor deposition and in situ monitoring of N-carboxy anhydride benzyl glutamate polymerization. Langmuir, 25(18), 10711-10718. https://doi.org/10.1021/la9012125

High-vacuum vapor deposition and in situ monitoring of N-carboxy anhydride benzyl glutamate polymerization. / Duran, Hatice; Ogura, Kenta; Nakao, Kenji; Vianna, Sulivan D B; Usui, Hiroaki; Advincula, Rigoberto C.; Knoll, Wolfgang.

In: Langmuir, Vol. 25, No. 18, 15.09.2009, p. 10711-10718.

Research output: Contribution to journalArticle

Duran, H, Ogura, K, Nakao, K, Vianna, SDB, Usui, H, Advincula, RC & Knoll, W 2009, 'High-vacuum vapor deposition and in situ monitoring of N-carboxy anhydride benzyl glutamate polymerization', Langmuir, vol. 25, no. 18, pp. 10711-10718. https://doi.org/10.1021/la9012125
Duran H, Ogura K, Nakao K, Vianna SDB, Usui H, Advincula RC et al. High-vacuum vapor deposition and in situ monitoring of N-carboxy anhydride benzyl glutamate polymerization. Langmuir. 2009 Sep 15;25(18):10711-10718. https://doi.org/10.1021/la9012125
Duran, Hatice ; Ogura, Kenta ; Nakao, Kenji ; Vianna, Sulivan D B ; Usui, Hiroaki ; Advincula, Rigoberto C. ; Knoll, Wolfgang. / High-vacuum vapor deposition and in situ monitoring of N-carboxy anhydride benzyl glutamate polymerization. In: Langmuir. 2009 ; Vol. 25, No. 18. pp. 10711-10718.
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