Optimisation of hydrothermal process for the fabrication of TiO2 nanowire matrix chip for laser desorption ionisation mass spectrometry

Mira Kim, Jong Min Park, Joo Yoon Noh, Jo Il Kim, Min Jung Kang, Jae Chul Pyun

Research output: Contribution to journalArticle

Abstract

Recently, TiO2 nanowires synthesised from a Ti plate by the hydrothermal process have been used as a solid matrix for laser desorption/ionisation time-of-flight (LDI-TOF) mass spectrometry (MS). In this work, the influence of the surface condition of the Ti plate according to its level of polishing on the ionisation of samples in laser desorption/ionisation (LDI) MS has been estimated. The surface morphology and roughness were analysed with scanning electron microscopy (SEM) and atomic force microscopy (AFM), respectively. Subsequently, TiO2 nanowires synthesised from Ti plates polished to different levels were applied to LDI MS for the analysis of amino acids and the optimal surface condition of the Ti plate was estimated.

Original languageEnglish
Pages (from-to)598-610
Number of pages13
JournalInternational Journal of Nanotechnology
Volume15
Issue number6-7
DOIs
Publication statusPublished - 2018 Jan 1

Fingerprint

Nanowires
Ionization
Mass spectrometry
Desorption
nanowires
mass spectroscopy
desorption
chips
Fabrication
ionization
fabrication
optimization
Lasers
matrices
lasers
Polishing
polishing
Surface morphology
amino acids
Amino acids

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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abstract = "Recently, TiO2 nanowires synthesised from a Ti plate by the hydrothermal process have been used as a solid matrix for laser desorption/ionisation time-of-flight (LDI-TOF) mass spectrometry (MS). In this work, the influence of the surface condition of the Ti plate according to its level of polishing on the ionisation of samples in laser desorption/ionisation (LDI) MS has been estimated. The surface morphology and roughness were analysed with scanning electron microscopy (SEM) and atomic force microscopy (AFM), respectively. Subsequently, TiO2 nanowires synthesised from Ti plates polished to different levels were applied to LDI MS for the analysis of amino acids and the optimal surface condition of the Ti plate was estimated.",
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Optimisation of hydrothermal process for the fabrication of TiO2 nanowire matrix chip for laser desorption ionisation mass spectrometry. / Kim, Mira; Park, Jong Min; Noh, Joo Yoon; Kim, Jo Il; Kang, Min Jung; Pyun, Jae Chul.

In: International Journal of Nanotechnology, Vol. 15, No. 6-7, 01.01.2018, p. 598-610.

Research output: Contribution to journalArticle

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AU - Pyun, Jae Chul

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