Capillary isotachophoresis for separation of silver nanoparticles according to size

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F15%3A33156490" target="_blank" >RIV/61989592:15310/15:33156490 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27360/15:86095248 RIV/61989100:27710/15:86095248

Výsledek na webu

<a href="http://pubs.rsc.org/en/content/articlehtml/2015/ra/c5ra10676a" target="_blank" >http://pubs.rsc.org/en/content/articlehtml/2015/ra/c5ra10676a</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/c5ra10676a" target="_blank" >10.1039/c5ra10676a</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Capillary isotachophoresis for separation of silver nanoparticles according to size

Popis výsledku v původním jazyce

Capillary isotachophoresis (ITP) was used for the separation of Ag nanoparticles according to their size. For this purpose, ethanol-water dispersions of Ag nanoparticles stabilized by gelatin were prepared. The ITP separations were performed in a column-coupling system filled with two electrolytes with a pH of leading electrolytes of 7.1 (system I - LE: 10 mM HNO3, epsilon-aminocaproic acid, TE: 10 mM caproic acid) and 4.5 (system II - LE: 10 mM HNO3, imidazole, TE: 5 mM 2-(N-morpholino) ethanesulfonicacid). In both electrolyte systems the four main peak-mode zones of Ag nanoparticles migrating at zone boundaries were identified, however, the better separation was achieved by the system II. The Ag nanoparticle dispersions were also examined by dynamiclight scattering (DLS) and transmission electron microscopy (TEM). The zeta potential and thickness of gelatin double layers adsorbed on the nanoparticles were found to depend on pH. The TEM analysis revealed four size fractions of 4 nm,

Název v anglickém jazyce

Capillary isotachophoresis for separation of silver nanoparticles according to size

Popis výsledku anglicky

Capillary isotachophoresis (ITP) was used for the separation of Ag nanoparticles according to their size. For this purpose, ethanol-water dispersions of Ag nanoparticles stabilized by gelatin were prepared. The ITP separations were performed in a column-coupling system filled with two electrolytes with a pH of leading electrolytes of 7.1 (system I - LE: 10 mM HNO3, epsilon-aminocaproic acid, TE: 10 mM caproic acid) and 4.5 (system II - LE: 10 mM HNO3, imidazole, TE: 5 mM 2-(N-morpholino) ethanesulfonicacid). In both electrolyte systems the four main peak-mode zones of Ag nanoparticles migrating at zone boundaries were identified, however, the better separation was achieved by the system II. The Ag nanoparticle dispersions were also examined by dynamiclight scattering (DLS) and transmission electron microscopy (TEM). The zeta potential and thickness of gelatin double layers adsorbed on the nanoparticles were found to depend on pH. The TEM analysis revealed four size fractions of 4 nm,

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

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Projekt

<a href="/cs/project/LO1208" target="_blank" >LO1208: Teoretické aspekty energetického zpracování odpadů a ochrany prostředí před negativními dopady</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

RSC Advances (online)

ISSN

2046-2069

e-ISSN

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Svazek periodika

5

Číslo periodika v rámci svazku

73

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

6

Strana od-do

59131-59136

Kód UT WoS článku

000357961800022

EID výsledku v databázi Scopus

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