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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F14%3A33150525%21RIV15-AV0-15310___
rdf:type
n10:Vysledek skos:Concept
rdfs:seeAlso
http://onlinelibrary.wiley.com/doi/10.1002/chem.201402820/pdf
dcterms:description
Curcumin possesses wide-ranging anti-inflammatory and anti-cancer properties and its biological activity can be linked to its potent antioxidant capacity. Superparamagnetic maghemite (gama-Fe2O3), called surface-active maghemite nanoparticles (SAMNs) were surface-modified with curcumin molecules, due to the presence of under-coordinated FeIII atoms on the nanoparticle surface. The so-obtained curcumin-modified SAMNs (SAMN@curcumin) had a mean size of 13+-4 nm. SAMN@curcumin was characterized by transmission and scanning electron microscopy, UV/Vis, FTIR, and Mössbauer spectroscopy, X-ray powder diffraction, bulk susceptibility (SQUID), and relaxometry measurements (MRI imaging). The high negative contrast proclivity of SAMN@curcumin to act as potential contrast agent in MRI screenings was also tested. Moreover, the redox properties of bound curcumin were probed by electrochemistry. SAMN@curcumin was studied in the presence of different electroactive molecules, namely hydroquinone, NADH and ferrocyanide, to assess its redox behavior. Finally, SAMN@curcumin was electrochemically probed in the presence of hydrogen peroxide, demonstrating the stability and reactivity of bound curcumin. Curcumin possesses wide-ranging anti-inflammatory and anti-cancer properties and its biological activity can be linked to its potent antioxidant capacity. Superparamagnetic maghemite (gama-Fe2O3), called surface-active maghemite nanoparticles (SAMNs) were surface-modified with curcumin molecules, due to the presence of under-coordinated FeIII atoms on the nanoparticle surface. The so-obtained curcumin-modified SAMNs (SAMN@curcumin) had a mean size of 13+-4 nm. SAMN@curcumin was characterized by transmission and scanning electron microscopy, UV/Vis, FTIR, and Mössbauer spectroscopy, X-ray powder diffraction, bulk susceptibility (SQUID), and relaxometry measurements (MRI imaging). The high negative contrast proclivity of SAMN@curcumin to act as potential contrast agent in MRI screenings was also tested. Moreover, the redox properties of bound curcumin were probed by electrochemistry. SAMN@curcumin was studied in the presence of different electroactive molecules, namely hydroquinone, NADH and ferrocyanide, to assess its redox behavior. Finally, SAMN@curcumin was electrochemically probed in the presence of hydrogen peroxide, demonstrating the stability and reactivity of bound curcumin.
dcterms:title
A Magnetically Drivable Nanovehicle for Curcumin with Antioxidant Capacity and MRI Relaxation Properties A Magnetically Drivable Nanovehicle for Curcumin with Antioxidant Capacity and MRI Relaxation Properties
skos:prefLabel
A Magnetically Drivable Nanovehicle for Curcumin with Antioxidant Capacity and MRI Relaxation Properties A Magnetically Drivable Nanovehicle for Curcumin with Antioxidant Capacity and MRI Relaxation Properties
skos:notation
RIV/61989592:15310/14:33150525!RIV15-AV0-15310___
n4:aktivita
n18:S n18:P
n4:aktivity
P(ED2.1.00/03.0058), P(EE2.3.20.0155), P(KAN115600801), P(KAN200380801), S
n4:cisloPeriodika
37
n4:dodaniDat
n12:2015
n4:domaciTvurceVysledku
Zoppellaro, Giorgio Aparicio Ordonez, Claudia Jeannette Sarita n11:2978245 n11:9251189 n11:6351182 Vianello, Fabio
n4:druhVysledku
n16:J
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
805
n4:idVysledku
RIV/61989592:15310/14:33150525
n4:jazykVysledku
n17:eng
n4:klicovaSlova
Properties; Relaxation; MRI; Capacity; Antioxidant; Curcumin; Nanovehicle; Drivable; Magnetically
n4:klicoveSlovo
n6:Nanovehicle n6:Magnetically n6:Antioxidant n6:Relaxation n6:Properties n6:MRI n6:Curcumin n6:Capacity n6:Drivable
n4:kodStatuVydavatele
DE - Spolková republika Německo
n4:kontrolniKodProRIV
[56A4531EA25A]
n4:nazevZdroje
Chemistry: A European Journal
n4:obor
n15:CC
n4:pocetDomacichTvurcuVysledku
6
n4:pocetTvurcuVysledku
12
n4:projekt
n5:EE2.3.20.0155 n5:ED2.1.00%2F03.0058 n5:KAN200380801 n5:KAN115600801
n4:rokUplatneniVysledku
n12:2014
n4:svazekPeriodika
20
n4:tvurceVysledku
Zbořil, Radek Holá, Kateřina Baratella, Davide Stollberger, Rudolf Divoky, Clemens Aparicio Ordonez, Claudia Jeannette Sarita Campos, René Zoppellaro, Giorgio Lima, Giusepina Magro, Massimiliano Vianello, Fabio Malina, Ondřej
n4:wos
000341630500040
s:issn
0947-6539
s:numberOfPages
8
n3:doi
10.1002/chem.201402820
n20:organizacniJednotka
15310