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Organic/inorganic hybrid nanospheres based on hyperbranched poly(ethylene imine) encapsulated into silica for the sorption of toxic metal ions and polycyclic aromatic hydrocarbons from water.
Preliminary experiments show that these hybrid nanoparticles can be employed for the removal of toxic water contaminants and prove that although integrated into the silica network poly(ethylene imine) retains its chemical properties. Expand
Synthesis and characterization of guanidinylated poly(propylene imine) dendrimers as gene transfection agents.
- L. Tziveleka, A. Psarra, D. Tsiourvas, C. M. Paleos
- Chemistry, Medicine
- Journal of controlled release : official journal…
- 22 January 2007
The fully guanidinylated dendrimer exhibited the best transfection efficiency under all the conditions studied, apparently attributed to the enhanced penetrating ability of the Guanidinium group due to the accumulation of the guanidine group at the d endrimeric surface. Expand
Organic/inorganic hybrid filters based on dendritic and cyclodextrin "nanosponges" for the removal of organic pollutants from water.
- M. Arkas, R. Allabashi, D. Tsiourvas, Eva-Maria Mattausch, R. Perfler
- Medicine, Environmental Science
- Environmental science & technology
- 14 March 2006
It has been established that polycyclic aromatic hydrocarbons (PAHs) can be removed very efficiently (more than 95%), and final concentrations of several ppb (microg/ L) are easily obtained. Expand
Novel hybrid organo-silicate corrosion resistant coatings based on hyperbranched polymers
Abstract Corrosion protective sol–gel coatings were developed on AA2024-T3 through an aqueous sol–gel process (Modified Self-Assembled Nanophase Particle method) which includes in-situ formation of a… Expand
Controlling the Formation of Hydroxyapatite Nanorods with Dendrimers
A facile procedure to direct the formation of hydroxyapatite (HAP) in preference to all other calcium phosphate phases and control over nanoparticle size distribution and morphology, with potential… Expand
Multifunctional dendritic drug delivery systems: design, synthesis, controlled and triggered release.
- C. M. Paleos, D. Tsiourvas, Z. Sideratou, L. Tziveleka
- Medicine, Biology
- Current topics in medicinal chemistry
- 31 August 2008
This review describes the strategy for the development of multifunctional dendrimeric and hyperbranched polymers aiming at their application as drug and gene delivery systems, employing well-characterized and mainly commercially available dendritic polymers. Expand
Poly(propyleneimine) Dendrimers as pH‐Sensitive Controlled‐Release Systems
Molecular composites were prepared by solubilizing pyrene in di- aminobutane poly(propyleneimine) den- drimers having 32 or 64 primary amine end groups (DAB-32 or DAB-64). The dendrimer - pyrene… Expand
Molecular engineering of dendritic polymers and their application as drug and gene delivery systems.
The review deals with the type of structural modifications to which these dendritic polymers were subjected for the development of drug carriers with low toxicity, high encapsulating capacity, a specificity for certain biological cells, and the ability to be transported through their membranes. Expand
THERMOTROPIC LIQUID CRYSTALS FORMED BY INTERMOLECULAR HYDROGEN BONDING INTERACTIONS
The role of hydrogen bonding in the formation or stabilization of liquid crystalline phases has only recently been appreciated. Following the first, wellestablished examples of liquid crystal… Expand
Supramolecular hydrogen-bonded liquid crystals
The role of hydrogen-bonding interactions in the formation and/or stabilization of liquid crystalline phases has been recognized in recent years and significant work has been conducted. Following the… Expand