(Kesan Penambahan Nanozarah Titanium Oksida ke atas Cas Permukaan dan Struktur Vesikel DPPC)

Translated title of the contribution: Effect of titanium dioxide nanoparticle addition to the surface charge and structure of dppc vesicles

Hur Munawar Kabir Mohd, Irman Abdul Rahman, Ainee Fatimah Ahmad, Shahidan Radiman, Faizal K.P. Kunchi Mohamed, Muhamad Samudi Yasir

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Titanium dioxide nanoparticle dispersions interaction with 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) vesicles is reported in this paper. DPPC- TiO2 interactions were investigated using dynamic light scattering (DLS) and transmission electron microscopy (TEM) by focusing on the effect of the interactions on the surface charge, size and localisation of TiO2 in DPPC- TiO2 vesicles. It was observed that surface charge of DPPC- TiO2 vesicles were increased from -26.0 to 12.1 mV as the TiO2 nanoparticle concentrations increased from 0.01 to 100 mg/ml. The binding of positively charged TiO2 nanoparticle to the zwitterionic DPPC vesicles caused the surface charge to become more positive. The size distribution, localisation and positioning of TiO2 nanoparticles in DPPC vesicles were confirmed through TEM analysis.

Original languageUndefined/Unknown
Pages (from-to)179-183
Number of pages5
JournalMalaysian Journal of Analytical Sciences
Volume19
Issue number1
Publication statusPublished - 2015

Fingerprint

Surface charge
Surface structure
Nanoparticles
Transmission electron microscopy
Dynamic light scattering
Light transmission
Dispersions
colfosceril palmitate
titanium dioxide

Keywords

  • DLS
  • DPPC
  • TEM
  • Titanium dioxide
  • Vesicles

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

(Kesan Penambahan Nanozarah Titanium Oksida ke atas Cas Permukaan dan Struktur Vesikel DPPC). / Mohd, Hur Munawar Kabir; Abdul Rahman, Irman; Ahmad, Ainee Fatimah; Radiman, Shahidan; K.P. Kunchi Mohamed, Faizal; Yasir, Muhamad Samudi.

In: Malaysian Journal of Analytical Sciences, Vol. 19, No. 1, 2015, p. 179-183.

Research output: Contribution to journalArticle

Mohd, Hur Munawar Kabir ; Abdul Rahman, Irman ; Ahmad, Ainee Fatimah ; Radiman, Shahidan ; K.P. Kunchi Mohamed, Faizal ; Yasir, Muhamad Samudi. / (Kesan Penambahan Nanozarah Titanium Oksida ke atas Cas Permukaan dan Struktur Vesikel DPPC). In: Malaysian Journal of Analytical Sciences. 2015 ; Vol. 19, No. 1. pp. 179-183.
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AU - Radiman, Shahidan

AU - K.P. Kunchi Mohamed, Faizal

AU - Yasir, Muhamad Samudi

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AB - Titanium dioxide nanoparticle dispersions interaction with 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) vesicles is reported in this paper. DPPC- TiO2 interactions were investigated using dynamic light scattering (DLS) and transmission electron microscopy (TEM) by focusing on the effect of the interactions on the surface charge, size and localisation of TiO2 in DPPC- TiO2 vesicles. It was observed that surface charge of DPPC- TiO2 vesicles were increased from -26.0 to 12.1 mV as the TiO2 nanoparticle concentrations increased from 0.01 to 100 mg/ml. The binding of positively charged TiO2 nanoparticle to the zwitterionic DPPC vesicles caused the surface charge to become more positive. The size distribution, localisation and positioning of TiO2 nanoparticles in DPPC vesicles were confirmed through TEM analysis.

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