Каталог / Фізико-математичні науки / Фізика конденсованого стану
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- Электронно-возбужденные состояния ДНК и комплексов ДНК с нанокластерами серебра Кононов Алексей Игоревич
- Альтернативное название:
- Electronically Excited States of DNA and DNA Complexes with Silver Nanoclusters Kononov Alexey Igorevich
- ВНЗ:
- Санкт-Петербургский государственный университет
- Короткий опис:
- Кононов, Алексей Игоревич.
Электронно-возбужденные состояния ДНК и комплексов ДНК с нанокластерами серебра : диссертация ... доктора физико-математических наук : 01.04.07 / Кононов Алексей Игоревич ; [Место защиты: ФГБОУ ВО «Санкт-Петербургский государственный университет»]. - Санкт-Петербург, 2020. - 377 с. : ил.; 14,5х20,5 см.
Оглавление диссертациидоктор наук Кононов Алексей Игоревич
TABLE OF CONTENTS
INTRODUCTION
CHAPTER 1. PHOTOPHYSICS OF NUCLEIC ACIDS AND THEIR COMPLEXES WITH DYES AND METAL CLUSTERS (literature review)
1.1. Photoprocesses in DNA
1.2. Structure and photophysical features of DNA complexes with silver clusters... 30 CHAPTER 2. EXPERIMENTAL AND THEORETICAL METHODS
2.1. Samples
2.2. Experimental methods
2.3. Theoretical methods
CHAPTER 3. LOW-ENERGY ELECTRONICALLY EXCITED STATES IN DNA
3.1. Calculations of the electronic excitation spectra of DNA monomers and B-form dimers of DNA bases
3.2. Analysis of the conformation effect on the excitation spectra of thymine dimers
3.3. Excitation spectra of adenine and cytosine dimers in noncanonical conformations
3.4. Structure of the low-lying electronic states
3.5. Effictivity of interaction with solar radiation for the stacked dimers in noncanonical structural forms and the hot spots for the formation of photodimers in DNA
3.6. Absorption spectra of i-motif DNA
3.7. Conclusions to Chapter
CHAPTER 4. DYNAMICS OF ELECTRONICALLY EXCITED STATES IN VARIOUS DNA STRUCTURES
4.1. Steady-state luminescence and luminescence kinetics of various forms of cytosine DNA chains
4.2. Luminescence kinetics of high molecular weight DNA
4.3. Energy transfer in DNA
4.4. Conclusions to Chapter
CHAPTER 5. STRUCTURE OF DNA COMPLEXES WITH SILVER CLUSTERS.
ELECTRON-EXCITED STATES OF THE COMPLEXES
5.1. Structures of free silver clusters and their electronic excitation spectra
5.2. Cluster structures in complexes with a 12-mer DNA and their electronic excitation spectra
5.3. Complexes of silver ions and clusters with a 15-mer DNA
5.4. Conclusions to Chapter
CHAPTER 6. DYNAMICS OF ELECTRON-EXCITED STATES IN DNA COMPLEXES WITH SILVER CLUSTERS
6.1. Formation of dark states in complexes
6.2. Energy transfer in DNA complexes with silver clusters
6.3. Fluorescence excited state dynamics of an Ag-DNA complex
6.4. Conclusions to Chapter
CONCLUSION
ACKNOWLEDGMENTS
REFERENCES
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