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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F12%3A39894661%21RIV13-MSM-25310___
rdf:type
n11:Vysledek skos:Concept
dcterms:description
Uniformly sized silver/chitosan--methoxy polyethylene glycol (chitosan--MPEG) core shell nanoparticles with different degree of substitution were synthesized. Thus, -phthaloyl chitosan is reacted with polyethylene glycol monomethyl ether iodide in the presence of silver oxide by the following steps. At first, amino groups of chitosan are protected by fourfold excess of phthalic anhydride. Then -phthaloyl chitosan is reacted with an appropriate amount of monomethyl ether iodide in the presence of silver oxide and lastly -phthaloyl groups are removed to yield silver/chitosan--MPEG core shell nanoparticles. Structure of prepared silver/chitosan--MPEG core shell nanoparticles have been characterized by UV/Vis spectroscopy, transmission electron microscopy (TEM), Fourier transform infrared (FT-IR), X-ray diffraction, and scan electron microscopy (SEM-EDX). Experimental results revealed that the prepared silver core particles had the size 18 +/- A 2 nm. Core shell structure with chitosan--MPEG-coating had the size 40 +/- A 2 nm. Uniformly sized silver/chitosan--methoxy polyethylene glycol (chitosan--MPEG) core shell nanoparticles with different degree of substitution were synthesized. Thus, -phthaloyl chitosan is reacted with polyethylene glycol monomethyl ether iodide in the presence of silver oxide by the following steps. At first, amino groups of chitosan are protected by fourfold excess of phthalic anhydride. Then -phthaloyl chitosan is reacted with an appropriate amount of monomethyl ether iodide in the presence of silver oxide and lastly -phthaloyl groups are removed to yield silver/chitosan--MPEG core shell nanoparticles. Structure of prepared silver/chitosan--MPEG core shell nanoparticles have been characterized by UV/Vis spectroscopy, transmission electron microscopy (TEM), Fourier transform infrared (FT-IR), X-ray diffraction, and scan electron microscopy (SEM-EDX). Experimental results revealed that the prepared silver core particles had the size 18 +/- A 2 nm. Core shell structure with chitosan--MPEG-coating had the size 40 +/- A 2 nm.
dcterms:title
A novel method for the preparation of silver/chitosan--methoxy polyethylene glycol core shell nanoparticles A novel method for the preparation of silver/chitosan--methoxy polyethylene glycol core shell nanoparticles
skos:prefLabel
A novel method for the preparation of silver/chitosan--methoxy polyethylene glycol core shell nanoparticles A novel method for the preparation of silver/chitosan--methoxy polyethylene glycol core shell nanoparticles
skos:notation
RIV/00216275:25310/12:39894661!RIV13-MSM-25310___
n11:predkladatel
n12:orjk%3A25310
n3:aktivita
n16:Z n16:S
n3:aktivity
S, Z(MSM0021627501)
n3:cisloPeriodika
2
n3:dodaniDat
n10:2013
n3:domaciTvurceVysledku
n6:6328415 Abdel-Lattif, Abdel-Mohsen
n3:druhVysledku
n20:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
120475
n3:idVysledku
RIV/00216275:25310/12:39894661
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Silver/chitosan-O-MPEG core shell nanoparticles; N-phthaloyl chitosan; Chitosan; CHITIN; CITRATE; COLLOIDS; BIOPOLYMER; NANOSPHERES; NANOCOMPOSITES; SIZE; PARTICLES; SILVER; CHITOSAN
n3:klicoveSlovo
n4:CHITIN n4:CHITOSAN n4:CITRATE n4:PARTICLES n4:N-phthaloyl%20chitosan n4:COLLOIDS n4:NANOCOMPOSITES n4:Chitosan n4:BIOPOLYMER n4:SILVER n4:NANOSPHERES n4:Silver%2Fchitosan-O-MPEG%20core%20shell%20nanoparticles n4:SIZE
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[3C7A181F3625]
n3:nazevZdroje
Journal of Polymers and the Environment
n3:obor
n17:CD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n10:2012
n3:svazekPeriodika
20
n3:tvurceVysledku
Abdel-Lattif, Abdel-Mohsen Aly, A. S. El-Aref, Ahmed T. Hrdina, Radim
n3:wos
000304147400024
n3:zamer
n15:MSM0021627501
s:issn
1566-2543
s:numberOfPages
10
n13:doi
10.1007/s10924-011-0378-1
n14:organizacniJednotka
25310