Skip to main content
All Posts By

The effect of dendrimer generations on the structure of Q G LLC mesophase and drug release

Bitan-Cherbakovsky, Liron; Aserin, Abraham; Garti, Nissim

Customer publications

The effect of dendrimer generations on the structure of Q G LLC mesophase and drug release

Bitan-Cherbakovsky, Liron; Aserin, Abraham; Garti, Nissim

In this paper the cosolubilization of 2nd, 3rd, and 4th generations of polypropyleneimine (PPI: PPI-G2, -G3, and -G4) dendrimers with sodium diclofenac (Na-DFC) into reverse gyroid cubic (QG) liquid crystals is reported. Structural properties and interactions of PPI dendrimers with and without the drug were studied using small-angle X-ray scattering,…
Nematic Ordering of SWNT in Meso-Structured Thin Liquid Films of Polystyrenesulfonate

Itzhak-Cohen, Racheli; Nativ-Roth, Einat; Levi-Kalisman, Yael; Josef, Elinor; Szleifer, Igal; Yerushalmi-Rozen, Rachel

Customer publications

Nematic Ordering of SWNT in Meso-Structured Thin Liquid Films of Polystyrenesulfonate

Itzhak-Cohen, Racheli; Nativ-Roth, Einat; Levi-Kalisman, Yael; Josef, Elinor; Szleifer, Igal; Yerushalmi-Rozen, Rachel

The formation of nematic-like islands of single-walled carbon nanotubes (SWNT) in polystyrenesulfonate (PSS) dispersions confined into nanometrically thin films is reported. The SWNT are observed to assemble into orientationally ordered phases, where the intertube distance, as measured via transmission electron microscopy at cryogenic temperatures, matches the polyelectrolyte?s bulk correlation…
A new crystallization process in polypropylene highly filled with calcium carbonate

Schawe, Jürgen E. K.; Vermeulen, Paul A.; Drongelen, Martin van

Customer publications

A new crystallization process in polypropylene highly filled with calcium carbonate

Schawe, Jürgen E. K.; Vermeulen, Paul A.; Drongelen, Martin van

The influence of high amounts of calcium carbonate filler on the crystallization behavior of polypropylene (PP) is investigated by differential scanning calorimetry (DSC) and fast scanning DSC measurements. The non-isothermal crystallization process at industrially relevant cooling rates of about 100 K/s is significantly influenced by the calcium carbonate filler. Isothermal…
Superparamagnetic regular nanopillar-like structures studied by grazing-incidence X-ray scattering: effect of vertical correlation

Paul, Amitesh; Paul, Neelima; Müller-Buschbaum, Peter; Bauer, Andreas; Böni, Peter

Customer publications

Superparamagnetic regular nanopillar-like structures studied by grazing-incidence X-ray scattering: effect of vertical correlation

Paul, Amitesh; Paul, Neelima; Müller-Buschbaum, Peter; Bauer, Andreas; Böni, Peter

Grazing-incidence small-angle X-ray scattering is reported from nanoclusters in superparamagnetic (SPM) polycrystalline Co separated by Au. The self-organization of the Co nanoclusters is in the form of nanopillar-like structures with high perpendicular magnetic anisotropy. A distinct signature of regular near-neighbour ordering is observed, which is commonly observed in patterned nanostructures.…
Potential Determining Salts in Microemulsions: Interfacial Distribution and Effect on the Phase Behavior

Johans, Christoffer; Behrens, Manja A.; Bergquist, Karl Erik; Olsson, Ulf; Manzanares, José A.

Customer publications

Potential Determining Salts in Microemulsions: Interfacial Distribution and Effect on the Phase Behavior

Johans, Christoffer; Behrens, Manja A.; Bergquist, Karl Erik; Olsson, Ulf; Manzanares, José A.

In this work we consider potential determining salts, also referred to as phase transfer agents for a future objective of electrochemistry at the oil?water interface in microemulsions. We have studied these salts, composed of a hydrophilic and a hydrophobic ion, in microemulsion stabilized by nonionic surfactants with an oligo ethylene…
Intercalation of cellulase enzyme into a hydrotalcite layer structure

Zou, N.; Plank, J.

Customer publications

Intercalation of cellulase enzyme into a hydrotalcite layer structure

Zou, N.; Plank, J.

A new inorganic–organic hybrid material whereby cellulase enzyme is incorporated into a hydrotalcite type layered double hydroxide (LDH) structure is reported. The Mg2Al–cellulase–LDH was synthesized via co-precipitation from Mg/Al nitrate at pH=9.6. Characterization was performed using X-ray powder diffraction (XRD), small angle X-ray scattering (SAXS), elemental analysis, infrared spectroscopy…
Grazing incidence X-ray scattering showing self-organized regular three-dimensional nanopillar-like structures

Paul, Amitesh; Paul, Neelima

Customer publications

Grazing incidence X-ray scattering showing self-organized regular three-dimensional nanopillar-like structures

Paul, Amitesh; Paul, Neelima

Self-organized Co nanoclusters are grown by sequential sputtering in the form of nanopillars separated by Au. Using grazing incidence small angle X-ray scattering from these nanopillar-like structures, we could observe a distinct signature of regular near-neighbor ordering of the first order, commonly observed only in patterned nanostructures. The magnetic response…
Chiroptical Activity in Silver Cholate Nanostructures Induced by the Formation of Nanoparticle Assemblies

Layani, Muriel E.; Ben Moshe, Assaf; Varenik, Maxim; Regev, Oren; Zhang, Hui; Govorov, Alexander O.; Markovich, Gil

Customer publications

Chiroptical Activity in Silver Cholate Nanostructures Induced by the Formation of Nanoparticle Assemblies

Layani, Muriel E.; Ben Moshe, Assaf; Varenik, Maxim; Regev, Oren; Zhang, Hui; Govorov, Alexander O.; Markovich, Gil

We report on an interesting mechanism of inducing chiroptical response at plasmonic silver nanoparticles (NPs) through the formation of plasmonic hot spots in small metal-NP?chiral-surfactant assemblies. Circular dichroism (CD) was measured at the surface plasmon resonance of cholate-coated silver nanostructures (AgCT) in the visible region of the spectrum. Low temperature…