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Statements

Subject Item
n2:RIV%2F44555601%3A13440%2F14%3A43885839%21RIV15-MSM-13440___
rdf:type
skos:Concept n16:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/44555601:13440/14:43885839!RIV15-MSM-13440___
n4:aktivita
n11:I
n4:aktivity
I
n4:cisloPeriodika
23
n4:dodaniDat
n10:2015
n4:domaciTvurceVysledku
n12:2272334
n4:druhVysledku
n14:J
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
51405
n4:idVysledku
RIV/44555601:13440/14:43885839
n4:jazykVysledku
n17:eng
n4:klicovaSlova
investigation; and; structural; mechanistic; aggregates; steroidal-porphyrin; properties; morphological; chiroptical; the; Tuning
n4:klicoveSlovo
n5:and n5:properties n5:morphological n5:investigation n5:steroidal-porphyrin n5:chiroptical n5:Tuning n5:mechanistic n5:structural n5:the n5:aggregates
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[0BF412E70744]
n4:nazevZdroje
Organic & Biomolecular Chemistry
n4:obor
n9:CC
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
9
n4:rokUplatneniVysledku
n10:2014
n4:svazekPeriodika
12
n4:tvurceVysledku
Nguyen, Thi Thu Huong Lorecchio, C. Mazzuca, C. Lettieri, R. Monti, D. Palleschi, A. Venanzi, M. Drašar, P. Cardová, L.
n4:wos
000336802000028
s:issn
1477-0520
s:numberOfPages
8
n7:doi
10.1039/c4ob00134f
n18:organizacniJednotka
13440