Оптические и фотофизические свойства биосовместимых гибридных структур на основе тетрапиррольных соединений и квантовых точек, пассивированных хитозаном Севид Файза Абделмавла Мохамед Омар

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Севид Файза Абделмавла Мохамед Омар.
Оптические и фотофизические свойства биосовместимых гибридных структур на основе тетрапиррольных соединений и квантовых точек, пассивированных хитозаном = Optical and Photophysical Properties of Biocompatible Hybrid Structures Based on Tetrapyrrole Compounds and Quantum Dots Passivated with Chitosan : Optical and Photophysical Properties of Biocompatible Hybrid Structures Based on Tetrapyrrole Compounds and Quantum Dots Passivated with Chitosan : диссертация ... кандидата физико-математических наук : 1.3.6. / Sewid Fayza Abdelmawla Mohamed Omar; [Место защиты: ФГАОУ ВО «Национальный исследовательский университет ИТМО»]. - Санкт-Петербург, 2022. - 224 с. : ил.; 14,5х20,5 см.
Оглавление диссертациикандидат наук Севид Файза Абделмавла Мохамед Омар
CONTENTS
Реферат
Synopsis
Introduction
CHAPTER 1. Literature review
1.1 Nanoscale Science
1.1.1 Semiconductor quantum nanocrystals
1.1.2 Basic procedures for the synthesis and stabilization of 83 nanocrystals
1.2 Properties of quantum dots
1.3 Properties of ternary quantum dots
1.4 Photodynamic therapy
1.4.1 Selection of photosensitizers for photodynamic therapy
1.4.2 Singlet Oxygen generation
1.4.3 Hybrid structures based on quantum dots and tetrapyrrole 92 molecules
1.5 Biological application of hybrid structures
1.6 FRET efficiency and nonradiative energy transfer
1.7 Biopolymers and their applications
1.8 Hybrid structures based on quantum dot and molecules in 100 chitosan aqueous solution
1.9 Chapter conclusion
CHAPTER 2. Methods of the formation of hybrid structures based on 102 quantum dots and tetrapyrrole molecules
2.1 Materials
2.2 Equipment and methods used in the work
2.3 QDs transfer from organic phase to aqueous by ligand 104 substitution
2.4 Hybrid structures based on CdSe/ZnS QDs and Chlorin e6 in 105 DMSO-CCl4 mixtures
2.4.1 Chlorin e6 molecules
2.5 Hybrid structures based on CdSe/ZnS QDs and 106 tetraphenylporphyrin in CCl4
2.5.1 Tetraphenylporphyrin molecules
2.6 Hybrid structures based on CdSe/ZnS QDs and TPP in chitosan 108 aqueous solution
2.6.1 Evaluation of singlet oxygen generation by TPP and QDs-TPP 110 hybrid structure in chitosan aqueous solution
2.6.2 Estimation of the extinction coefficient and concentration of 111 TPP aggregates in chitosan aqueous solution
2.7 Preparation of QDs-TPP-CS nanoparticles
2.8 Colloidal stability of QDs-TPP-CS nanoparticles in a biological 115 environment and water
2.9 Hybrid structures based on AIS/ZnS QDs and TPP in chitosan 116 aqueous solution
2.9.1 Luminescent properties of AIS/ZnS quantum dots in aqueous 118 media
2.10 Chapter conclusion
CHAPTER 3. Optical properties of hybrid structures in organic and
biocompatible media
3.1 Hybrid structures based on CdSe/ZnS QDs with Chlorin e6 in 123 DMSO-CCI4 mixtures
3.2 Hybrid structures based on CdSe/ZnS quantum dots and 128 tetraphenylporphyrin in CCI4
3.3 Hybrid structures based on CdSe/ZnS quantum dots and 134 tetraphenylporphyrin in chitosan aqueous solution
3.3.1 Photophysical properties of QDs-TPP chitosan nanoparticles
3.3.2 Colloidal stability of QDs-TPP-CS nanoparticles in cell medium 145 (MEM) and water over time
3.4 Hybrid structures based on AIS/ZnS QDs-TPP hybrid structure
in chitosan aqueous solution
3.4.1 Photophysical properties of AIS/ZnS QDs-TPP chitosan 149 nanoparticles
3.5 Chapter conclusion
CHAPTER 4. The FRET efficiency in hybrid structures based on QDs 152 and tetrapyrrole molecules
4.1 FRET efficiency in QDs-tetrapyrrole molecules hybrid 152 structures
4.2 The average FRET efficiency in CdSe/ZnS QDs-chlorin e6 154 hybrid structures in DMSO-CCl4 mixture
4.3 The average FRET efficiency in CdSe/ZnS QDs 157 tetraphenylporphyrin molecules hybrid structures in tetrachloromethane
4.4 The average FRET efficiency in CdSe/ZnS QDs- 161 tetraphenylporphyrin molecules hybrid structures in chitosan aqueous solution
4.5 The average FRET efficiency in AIS/ZnS QDs- 164 tetraphenylporphyrin molecules hybrid structures in chitosan aqueous solution
4.6 Chapter conclusion
CHAPTER 5. Singlet oxygen generation with hybrid structures in
organic and biocompatible media
5.1 Singlet oxygen generation by QDs-Ce6 hybrid structures and 170 free chlorin e6 molecules
5.2 Singlet oxygen generation by CdSe/ZnS QDs-TPP hybrid 173 structures
5.3 Singlet oxygen generation by CdSe/ZnS QDs-TPP hybrid 175 structures in chitosan aqueous solution
5.4 Singlet oxygen generation by AIS/ZnS QDs-TPP hybrid 178 structure in chitosan aqueous solution
5.5 Chapter conclusion
Thesis conclusion
List of acronyms and symbols
Bibliography
Appendix A. main journal papers