Using SizeExclusion Chromatography to Monitor Variations in
Sizeexclusion chromatography SEC was used to evaluate gold nanoparticles Au NPs for variations in their sizes after microwave MW irradiation with the eluted NPs monitored through diode array detection to reveal their surface plasmon absorptions. The sizes of citratecapped Au NPs decreased upon increasing the MW irradiation temperature consistent with digestive ripening of these NPs
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Quantitative evaluation of nanoparticle classifi ion by
Effect of mobilephase additives on separation of gold nanoparticles by sizeexclusion chromatography Chromatographia 2004 pp. 115 119 View Record in Scopus Google Scholar
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Separation of nanometer gold particles by size exclusion
Sizeexclusion chromatography is employed for the separation of gold nanoparticles in the range from 5.3 to 38.3 nm with a based column of 100 nm pore size. The sorption problem of gold nanoparticles by high surface of stationary phase can be solved with the addition of anionic surfactant to the eluent.
Quantitative characterization of gold nanoparticles by size
Quantitative characterization of gold nanoparticles by sizeexclusion and hydrodynamic chromatography coupled to inductively coupled plasma mass spectrometry and quasielastic light s tering J Chromatogr A .
Effect of MobilePhase Additives on Separation of Gold
Two spherical gold nanoparticles diameters 5.3 and 38 nm respectively were used to appraise the separation performance of various mobilephase additives in sizeexclusion chromatography SEC . The three additives were sodium citrate SC sodium chloride NaCl and sodium dodecylsulfate SDS . The problem of adsorption on gold nanoparticles occurs when SC and NaCl are used as mobilephase
Shape separation of nanometer gold particles by size
The shape separations of suspended gold nanoparticles were investigated using sizeexclusion chromatography. The separations in shapes were identified by examining the 3D chromatograms obtained by employing a diodearray detection system and were further confirmed by analyzing TEM images of fractional collection of particles.
Separation Techniques of Gold Nanoparticles ScienceDirect
SizeExclusion Chromatography. The socalled steric exclusion chromatography was firstly employed for measuring the size distribution of colloidal gold sols . Separation of 3 to 20nm sized AuNPs was achieved using columns containing 25 m silica particles pore size 50100 nm using aqueous trisodium citrate as eluent.
Sizeexclusion chromatography of metal nanoparticles and
Effect of mobilephase additives on separation of gold nanoparticles by sizeexclusion chromatography Chromatographia 59 2004 pp. 115 119 View Record in Scopus Google Scholar
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