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240512s2024 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.27392
|2 doi
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|a pubmed24n1466.xml
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|a (NLM)38733370
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Barretta, Pierraffaele
|e verfasserin
|4 aut
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| 245 |
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|a Ruthenium complexes bearing nile red chromophore and one of its derivative
|b Theoretical evaluation of PDT-related properties
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 10.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley Periodicals LLC.
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|a The outcomes of DFT-based calculations are here reported to assess the applicability of two synthesized polypyridyl Ru(II) complexes, bearing ethynyl nile red (NR) on a bpy ligand, and two analogues, bearing modified-NR, in photodynamic therapy. The absorption spectra, together with the non-radiative rate constants for the S1 - Tn intersystem crossing transitions, have been computed for this purpose. Calculations evidence that the structural modification on the chromophore destabilizes the HOMO of the complexes thus reducing the H-L gap and, consequently, red shifting the maximum absorption wavelength within the therapeutic window, up to 620 nm. Moreover, the favored ISC process from the bright state involves the triplet state closest in energy, which is also characterized by the highest SOC value and by the involvement of the whole bpy ligand bearing the chromophore in delocalising the unpaired electrons. These outcomes show that the photophysical behavior of the complexes is dominated by the chromophore
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|a Journal Article
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|a PDT
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4 |
|a TD‐DFT
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| 650 |
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|a intersystem spin crossing
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| 650 |
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4 |
|a nile red
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| 650 |
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|a ruthenium complexes
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| 700 |
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|a Scoditti, Stefano
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Belletto, Daniele
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ponte, Fortuna
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vigna, Vincenzo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mazzone, Gloria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sicilia, Emilia
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 45(2024), 23 vom: 05. Juli, Seite 2034-2041
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
1 |
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|g volume:45
|g year:2024
|g number:23
|g day:05
|g month:07
|g pages:2034-2041
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|u http://dx.doi.org/10.1002/jcc.27392
|3 Volltext
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