Organic–Inorganic Hybrid Nanosystems for Photodynamic Therapy

Rakovich, Yu. P.

doi:10.18502/ken.v3i2.1845

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…[302] Photodynamic therapy (PDT) is at reatment used to reduce the volume of am assive tumor.T his technique is used to treat certain cancers (e.g., lung, head, skin, and prostate). [302] Photodynamic therapy (PDT) is at reatment used to reduce the volume of am assive tumor.T his technique is used to treat certain cancers (e.g., lung, head, skin, and prostate).…”

Section: Photodynamic Therapymentioning

confidence: 99%

“…Recently,n anomaterials with photocatalytic behavior have attracted much attention as promising candidates to develop new photodynamic therapy strategies. [302] Photodynamic therapy (PDT) is at reatment used to reduce the volume of am assive tumor.T his technique is used to treat certain cancers (e.g., lung, head, skin, and prostate). PDT is at reatment technique based on the use of photosensitizer (PS) molecules, which are non-cytotoxic in the dark and are activated by light irradiation with an appropriate wavelength.…”

Section: Photodynamic Therapymentioning

confidence: 99%

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Recent Progress on Titanium Dioxide Nanomaterials for Photocatalytic Applications

et al. 2018

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Environmental and energy problems have drawn much attention owing to rapid population growth and accelerated economic development. For instance, photocatalysis, "a green technology", plays an important role in solar-energy conversion owing to its potential to solve energy and environmental problems. Recently, many efforts have been devoted to improving visible-light photocatalytic activity by using titanium dioxide as a photocatalyst as a result of its wide range of applications in the energy and environment fields. However, fast charge recombination and an absorption edge in the UV range limit the photocatalytic efficiency of TiO under visible-light irradiation. Many investigations have been undertaken to overcome the limitations of TiO and, therefore, to enhance its photocatalytic activity under visible light. The present literature review focuses on different strategies used to promote the separation efficiency of electron-hole pairs and to shift the absorption edge of TiO to the visible region. Current synthesis techniques used to elaborate several nanostructures of TiO -based materials, recent progress in enhancing visible photocatalytic activity, and different photocatalysis applications will be discussed. On the basis of the studies reported in the literature, we believe that this review will help in the development of new strategies to improve the visible-light photocatalytic performance of TiO -based materials further.

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Section: Photodynamic Therapymentioning

confidence: 99%

Section: Photodynamic Therapymentioning

confidence: 99%

Recent Progress on Titanium Dioxide Nanomaterials for Photocatalytic Applications

et al. 2018

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Interface chemistry and displacement of porphyrin macrocycles on semiconductor quantum dot surface

Zenkevich¹,

Sheinin²,

Kulikova³

et al. 2023

J. Porphyrins Phthalocyanines

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Here, we present comparative experimental data and results of quantum chemical calculations (method MM+) describing electrostatic interactions of positively charged 5,10,15,20-(tetra-N-methyl-4-pyridyl)porphyrin molecules with negatively charged glutathione stabilized core/shell semiconductor quantum dots (QD) AgInS/ZnS leading to the formation of stable QD-porphyrin nanoassemblies in water (pH 7.5) at ambient temperature. Based on steady-state absorption/ photoluminescence, time-resolved experiments (TCSPC), and Raman spectroscopy, interface phenomena and changes in spectral properties for interacting subunits in nanoassemblies are analyzed. Using an elaborated size-consistent quantum chemical atomistic 3D model for glutathione stabilized AgInS/ZnS QD, we propose a detailed physico-chemical mechanism for the interaction of the porphyrin molecule with the QD surface. It includes electrostatic interactions of the positively charged porphyrin free base molecule with negatively charged capping ligand (glutathione), followed by a very fast metalation of porphyrin free base (formation of ligated Zn-porphyrin complex) which is directly fixed on the QD surface. These results highlight the complexity of interface processes in “QDs – porphyrin” nanoassemblies and provide valuable strategies for the detailed analysis of the excitation energy relaxation in the systems under study.

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Organic–Inorganic Hybrid Nanosystems for Photodynamic Therapy

Abstract: .

Cited by 2 publications

References 5 publications

Recent Progress on Titanium Dioxide Nanomaterials for Photocatalytic Applications

Recent Progress on Titanium Dioxide Nanomaterials for Photocatalytic Applications

Interface chemistry and displacement of porphyrin macrocycles on semiconductor quantum dot surface

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