Cytotoxicity of multifunctional surfactant containing capped mesoporous silica nanoparticles

Adem Yildirim, Muge Turkaydin, Bora Garipcan, Mehmet Bayindir

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper reports the synthesis of silica capped surfactant (cetyltrimethylammonium bromide; CTAB) and dye (Rose Bengal; RB) containing mesoporous silica nanoparticles (MSNs). Capping the pores of the surfactant containing MSNs with a thin silica layer decreased the immediate surfactant originated cytotoxicity of these particles without affecting their long term (3 days) cytotoxicity. Also, the silica capping process almost completely prevented the hemolytic activity of the surfactant containing MSNs. In addition, improved uptake of silica capped MSNs compared to the uncapped particles by cancer cells was demonstrated. The delayed cytotoxicity, low hemolytic activity, and better cellular uptake of the silica capped MSNs make them promising for the development of safe (i.e. with fewer side effects) yet efficient theranostic agents. These nanocarriers may release the loaded cytotoxic molecules (CTAB) mostly after being accumulated in the tumor site and cause so minimal damage to the normal tissues and blood components. In addition, the nanoscale confinement of RB molecules inside the pores of MSNs makes the particles brightly fluorescent. Furthermore, it was demonstrated that due to the singlet oxygen generation capability of the RB dye the silica capped MSNs can be also used for photodynamic therapy of cancer.

Original languageEnglish (US)
Pages (from-to)32060-32069
Number of pages10
JournalRSC Advances
Volume6
Issue number38
DOIs
StatePublished - Jan 1 2016
Externally publishedYes

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Cytotoxicity
Surface-Active Agents
Silicon Dioxide
Surface active agents
Silica
Nanoparticles
Coloring Agents
Dyes
Rose Bengal
Singlet Oxygen
Photodynamic therapy
Molecules
Tumors
Blood
Cells
Tissue

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Cytotoxicity of multifunctional surfactant containing capped mesoporous silica nanoparticles. / Yildirim, Adem; Turkaydin, Muge; Garipcan, Bora; Bayindir, Mehmet.

In: RSC Advances, Vol. 6, No. 38, 01.01.2016, p. 32060-32069.

Research output: Contribution to journalArticle

Yildirim, Adem ; Turkaydin, Muge ; Garipcan, Bora ; Bayindir, Mehmet. / Cytotoxicity of multifunctional surfactant containing capped mesoporous silica nanoparticles. In: RSC Advances. 2016 ; Vol. 6, No. 38. pp. 32060-32069.
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