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pubmed-article:12381171pubmed:dateCreated2002-10-16lld:pubmed
pubmed-article:12381171pubmed:abstractTextCryo-etch-HRSEM is introduced as a useful method for exploring colloidal systems. The method fast freezes an aqueous sample (to -105 degrees C in 6-7 ms), removes some or all of the surface water by sublimation (etching), and magnifies the resulting colloidal structure by up to a million. Three new structurally similar gemini surfactants served to illustrate the technique. One gemini formed a gel whose delicate fractal-like molecular web could be observed after 10-min etching. A second formed a coacervate with a more hydrated porous structure. The third displayed a "bumpy" surface consistent with spherical vesicles projecting from the vitreous ice. The information-content of cryo-etch-HRSEM is pictorial but distinctive in nature.lld:pubmed
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pubmed-article:12381171pubmed:authorpubmed-author:MengerFredric...lld:pubmed
pubmed-article:12381171pubmed:authorpubmed-author:SeredyukVicto...lld:pubmed
pubmed-article:12381171pubmed:authorpubmed-author:ApkarianRober...lld:pubmed
pubmed-article:12381171pubmed:authorpubmed-author:WrightElizabe...lld:pubmed
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pubmed-article:12381171pubmed:pagination12408-9lld:pubmed
pubmed-article:12381171pubmed:dateRevised2008-1-17lld:pubmed
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pubmed-article:12381171pubmed:year2002lld:pubmed
pubmed-article:12381171pubmed:articleTitleColloidal assemblies of branched geminis studied by cryo-etch-HRSEM. High-resolution scanning electron microscopy.lld:pubmed
pubmed-article:12381171pubmed:affiliationDepartment of Chemistry, Emory University, Atlanta, Georgia 30322, USA. menger@emory.edulld:pubmed
pubmed-article:12381171pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:12381171pubmed:publicationTypeResearch Support, U.S. Gov't, P.H.S.lld:pubmed
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