About: Preparation and evaluation of different antibacterial Ag-montmorillonites

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Montmorillonite belongs to the group of smectites. The layered structure is formed by 2:1 layers consisting of one octahedral and two tetrahedral sheets. The exchangeable cations Ca2+, Na+ and K+ between the layers compensate the negative charge on their surface. In this study, original montmorillonite (M) and NaM prepared by ion exchange reaction with NaCl solution were used as the matrix for growth of silver nanoparticles. Prepared samples were characterized by X-ray diffraction analysis and infrared spectroscopy. Morphology of particles and elemental maps of silver were studied using scanning electron microscopy with energy dispersive spectrometer. Elemental analysis showed higher amount of silver at NaM in comparison with original M. Stability of silver on M matrix was studied in water environment. The elements released into the water were quantitatively determined using atomic emission spectroscopy with inductively coupled plasma. Antibacterial activity of prepared samples were compared on the effect against Gram-positive (Pseudomonas aeruginosa) and Gram-negative (Enterococcus faecalis) bacterial strains. Montmorillonite belongs to the group of smectites. The layered structure is formed by 2:1 layers consisting of one octahedral and two tetrahedral sheets. The exchangeable cations Ca2+, Na+ and K+ between the layers compensate the negative charge on their surface. In this study, original montmorillonite (M) and NaM prepared by ion exchange reaction with NaCl solution were used as the matrix for growth of silver nanoparticles. Prepared samples were characterized by X-ray diffraction analysis and infrared spectroscopy. Morphology of particles and elemental maps of silver were studied using scanning electron microscopy with energy dispersive spectrometer. Elemental analysis showed higher amount of silver at NaM in comparison with original M. Stability of silver on M matrix was studied in water environment. The elements released into the water were quantitatively determined using atomic emission spectroscopy with inductively coupled plasma. Antibacterial activity of prepared samples were compared on the effect against Gram-positive (Pseudomonas aeruginosa) and Gram-negative (Enterococcus faecalis) bacterial strains. (en)
Title	Preparation and evaluation of different antibacterial Ag-montmorillonites Preparation and evaluation of different antibacterial Ag-montmorillonites (en)
skos:prefLabel	Preparation and evaluation of different antibacterial Ag-montmorillonites Preparation and evaluation of different antibacterial Ag-montmorillonites (en)
skos:notation	RIV/61989100:27640/12:86085245!RIV14-MSM-27640___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Seidlerová, Jana Valášková, Marta Hundáková, Marianna
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Centrum nanotechnologií
http://linked.open...dnocenehoVysledku	161321
http://linked.open...ai/riv/idVysledku	RIV/61989100:27640/12:86085245
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	antibacterial activity; stability in water; silver; Montmorillonite (en)
http://linked.open.../riv/klicoveSlovo	antibacterial activity Montmorillonite silver stability in water
http://linked.open...ontrolniKodProRIV	[176183EF064E]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	NANOCON 2012 : 4th international conference : conference proceedings : October 23rd-25th 2012, hotel Voroněž I, Brno, Czech Republic, EU
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	IT4Innovations Centre of Excellence
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Hundáková, Marianna Matějová, Kateřina Pazdziora, Erich Seidlerová, Jana Valášková, Marta
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open...ain/vavai/riv/wos	000333697100108
http://linked.open.../riv/zahajeniAkce	2012-10-23 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-35-2
http://localhost/t...ganizacniJednotka	27640

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