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By Tharwat F. Tadros

content material: entrance subject --
Iron Oxide Nanoparticle Dispersions / Igǹc Capek --
Solubilization of a Poorly Soluble fragrant Drug via Micellar ideas of Amphiphilic Block Copoly(oxyalkylene)s / David Attwood, Colin sales space --
Controlling the actual balance of Liposomal Colloids / Ferenc Csempesz, Istv̀n Pusk̀s --
Mathematical Modeling of Coagulation and Flocculation of Colloidal Suspensions Incorporating the effect of floor Forces / Venkataramana Runkana, Ponisseril Somasundaran --
Emulsion balance and Interfacial homes ₆ software to complicated Emulsions of business curiosity / Danïle Clausse, Delphine Daniel-David, Fraṅois Gomez, Ljepsa Komunjer, Isabelle Pezron, Christine Dalmazzone, Christine No̐k --
Wetting movie Dynamics and balance / Boryan Radoev, Klaus Werner St̲ckelhuber, Roumen Tsekov, Philippe Letocart --
Measuring Forces within the Colloidal Regime with the Atomic strength Microscope / J Mieke Kleijn, Marcel Giesbers, Martien A Cohen Stuart --
Ion Specificity in Colloidal structures / Johannes Lyklema, Frans Leermakers --
Stabilization of skinny motion pictures, Foams, Emulsions and Bifluid Gels with Surface-Active stable debris / Krassimir P Velikov, Orlin D Velev --
Forces in Aqueous Nanofilms Containing Polyelectrolytes / Dan Qu, Katarzyna H̃nni-Ciunel, Daniel Rapoport, Regine v Klitzing --
organization among Polyelectrolytes and Oppositely Charged Surfactants in Bulk and at Solid/Liquid Interfaces / in line with M Claesson, Andra Dedinaite, R̤bert M̌sz̀ros, Imre Varga --
Non-Ionic Micelle motion pictures: Thinning and balance / Alex D Nikolov, Darsh T Wasan --
PEGylated Polymer-Based Nanoparticles for Drug supply to the mind / Hyun Ryoung Kim, Karine Andrieux, Patrick Couvreur --
topic Index --
Colloids and Interface technological know-how sequence --.

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The 5-nm nanocrystals served as seeds for the seed-mediated growth as the second step of the synthesis for the nanocrystals with a larger size. The growth procedures generated a sample consisting of 8-nm spherical nanocrystals together with a tiny fraction of nanocrystals having a diameter of *5 nm. Monodisperse 8-nm nanocrystals (Fig. 21) were obtained after a small amount of acetone had been added to a hexane suspension of as-grown nanoparticulate sample. Monodisperse nanocrystals with a diameter of 9 nm can be obtained using the same procedures but with a higher concentration of precursors in the particle growth solution.

21). A tiny fraction of the product consisted of *5-nm spherical nanocrystals, which can be easily separated from the cubes through addition of acetone to the hexane suspension. By using 8-nm spherical seeds, nanocubes with an edge length of 10 or 11 nm were produced. Due to the decisive effect of the heating rate and growth temperature on shape control, Fig. 21e shows almost spherical monodisperse CoFe2O4 nanocrystals of 12-nm diameter, which were prepared by using nanocube seeds with an 8-nm edge length.

Further experiments indicated that various FePt–Fe3O4 nanoparticles with tunable core and shell can be readily prepared by this one-step synthesis. The synthetic results seem to support the following particle formation mechanism illustrated in Fig. 19. The Pt-rich nuclei (a) are formed from the reduction of Pt(acac)2 either at temperatures > 200 8C or by Fe atoms from the decomposed Fe(CO)5 or both. More Fe atoms will then coat over the existing Ptrich nuclei, forming larger clusters (b). Exposing these clusters to air leads to the formation of Pt-rich FePt–Fe3O4 as evidenced by XRD analysis.

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