About: Tuning the chiroptical and morphological properties of steroidal-porphyrin aggregates: a mechanistic, structural, and MM investigation

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About: Tuning the chiroptical and morphological properties of steroidal-porphyrin aggregates: a mechanistic, structural, and MM investigation Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aggregation of a steroid-functionalised porphyrin derivative occurs with the formation of J-type chiral species. Spectroscopic and SEM studies indicate that the initial concentration of the macrocycle strongly influences the morphology of the final mesoscopic structures, as a consequence of a change in the mechanistic course of the self-assembly process. Fibrillar structures are obtained at low porphyrin concentration, whereas aggregates of globular shapes are formed on increasing the substrate concentration. Molecular mechanics investigations gave insights into the intimate nature of the driving forces that govern the self-assembly process, pointing out the importance of ring distortion, of intramolecular steroidal OH-pí hydrogen bonds, as well as dispersion forces among the tetrapyrrolic platforms. The aggregation of a steroid-functionalised porphyrin derivative occurs with the formation of J-type chiral species. Spectroscopic and SEM studies indicate that the initial concentration of the macrocycle strongly influences the morphology of the final mesoscopic structures, as a consequence of a change in the mechanistic course of the self-assembly process. Fibrillar structures are obtained at low porphyrin concentration, whereas aggregates of globular shapes are formed on increasing the substrate concentration. Molecular mechanics investigations gave insights into the intimate nature of the driving forces that govern the self-assembly process, pointing out the importance of ring distortion, of intramolecular steroidal OH-pí hydrogen bonds, as well as dispersion forces among the tetrapyrrolic platforms. (en)
Title	Tuning the chiroptical and morphological properties of steroidal-porphyrin aggregates: a mechanistic, structural, and MM investigation Tuning the chiroptical and morphological properties of steroidal-porphyrin aggregates: a mechanistic, structural, and MM investigation (en)
skos:prefLabel	Tuning the chiroptical and morphological properties of steroidal-porphyrin aggregates: a mechanistic, structural, and MM investigation Tuning the chiroptical and morphological properties of steroidal-porphyrin aggregates: a mechanistic, structural, and MM investigation (en)
skos:notation	RIV/44555601:13440/14:43885839!RIV15-MSM-13440___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	23
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Nguyen, Thi Thu Huong
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Jana Evangelisty Purkyně v Ústí nad Labem / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	51405
http://linked.open...ai/riv/idVysledku	RIV/44555601:13440/14:43885839
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	investigation; and; structural; mechanistic; aggregates; steroidal-porphyrin; properties; morphological; chiroptical; the; Tuning (en)
http://linked.open.../riv/klicoveSlovo	structural morphological aggregates and investigation properties the Tuning chiroptical mechanistic steroidal-porphyrin
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[0BF412E70744]
http://linked.open...i/riv/nazevZdroje	Organic & Biomolecular Chemistry
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	12
http://linked.open...iv/tvurceVysledku	Drašar, P. Monti, D. Venanzi, M. Lettieri, R. Nguyen, Thi Thu Huong Cardová, L. Lorecchio, C. Mazzuca, C. Palleschi, A.
http://linked.open...ain/vavai/riv/wos	000336802000028
issn	1477-0520
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/c4ob00134f
http://localhost/t...ganizacniJednotka	13440

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