http://www.cnr.it/ontology/cnr/individuo/prodotto/ID170617
Hydration of cyanin dyes (Articolo in rivista)
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- Hydration of cyanin dyes (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.3352380 (literal)
- Alternative label
Calzolari A.; Monti S.; Ruini A.; Catellani A. (2010)
Hydration of cyanin dyes
in The Journal of chemical physics; AMER INST PHYSICS, CIRCULATION FULFILLMENT DIV, 500 SUNNYSIDE BLVD., WOODBURY, NY (Stati Uniti d'America)
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- Calzolari A.; Monti S.; Ruini A.; Catellani A. (literal)
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- http://jcp-bcp.aip.org/resource/1/jcpbcp/v4/i3/p03B608_s1?isAuthorized=no (literal)
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- Rivista
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- In: Journal of Chemical Physics, vol. 132 (11) article n. 114304. American Institute of Physics, 2010. Issue: 11 Article Number: 114304
Acknowledgement:
We thank Stefano Corni and Carlo Cavazzoni for help and discussions. Computational resources were provided by CNR-INFM through \"Commissione Calcolo Parallelo.\" This work was partially supported by EU (6th Framework Program) through the project PROSURF (Grant No. FP6-NEST-028331) (literal)
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- CNR-INFM, Modena - S3, CNR-IPCF, Pisa, CNR-INFM, Modena - S3 and UNIMORE, Modena, CNR-IMEM, Parma (literal)
- Titolo
- Hydration of cyanin dyes (literal)
- Abstract
- We investigated the hydration properties of the cyanin dye molecule in the ionic flavylium configuration, through massive classical (force field) and ab initio (Car-Parrinello) molecular dynamics simulations at room temperature. Classical and quantum mechanical results coherently describe the structure of the first solvation shell. We discuss the hydrophobicity/hydrophilicity of the molecule in terms of attractive lateral hydroxyl-water and repulsive carbon pi-water interactions. The analysis of the electronic structure shows a net polarization and a molecular orbital redistribution induced by the polar solvent on the intrinsic (gas phase) properties of the dye. Changing the properties of the molecule, the hydration effects should be carefully taken into account in the further interactions of cyanin with the external environment. (literal)
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