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Covalently functionalized msns as potential photosensitizing agents for PDT

Authors: Türkşanlı Kaplan, Merve;

Covalently functionalized msns as potential photosensitizing agents for PDT

Abstract

Fotodinamik terapi, bazı kanser ve kötü huylu olmayan hastalıkların tedavisi için geliştirilmiş yeni bir yaklaşımdır. Fotodinamik terapi, fotouyarıcının belirli bir dalga boyuna sahip ışık kaynağı tarafından uyarılmasının ardından sitotoksik singlet oksijen oluşturması ile kanserli dokunun öldürülmesini amaçlar. Mezo gözenekli silika nanoparçacıklar sahip oldukları kimyasal inertlik, biyouyumluluk, düşük toksisite, hidrofilite ve yüzey modifikasyonunun kolaylığı özellikleri sebebiyle fotodinamik terapi konusunda ümit verici bir yaklaşımdır. Bu çalışmada, yeni BODIPY temelli fotoduyarlaştırıcı sentezlendi ve karakterize edildi. Bu fotoduyarlaştırıcı, mezo gözenekli silika nanoparçacık gözeneğine kovalent olarak bağlanmıştır. Yakın kızılötesi bölgede soğuran fotoduyarlaştırıcının nanoparçacığa bağlanması sonucu başarılı bir şekilde singlet oksijen oluşturduğu gözlemlenmiştir.

Photodynamic therapy (PDT) is a novel approach for the treatment of some cancers and other non-malignant diseases. PDT aims to kill cancer tissue by the generation of singlet oxygen as a result of excitation of the photosensitizer (PS) by illuminating with a light source at a certain wavelength. Mesoporous silica nanoparticles are promising in PDT issue due to their chemical inertness, biocompatibility, low-toxicity, hydrophility and ease of surface modification. We have synthesized and characterized novel boradiazaindacene (BODIPY)-based PS that is covalently attached to the pore of mesoporous silica nanoparticles (MSNs). We have observed that near infrared absorbing photosensitizer attached MSNs successfully generate cytotoxic singlet oxygen.

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Turkey
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Keywords

Mesoporous silica nanoparticles, Porous materials., Photosensitizer, Nanostructured materials, Photodynamic therapy, Kimya, 620, Drug carrier system, Chemistry, Photochemotherapy, TA418.9.P6 K37 2011, Photochemotherapy., Boradiazaindacene, Photochemical reactions, Nanostructured materials., Nanoparticles, Porous materials, Nanoparticles.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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Related to Research communities
Cancer Research