| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Aguiar-Ricardo, Ana
Universidade Nova de Lisboa
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2020Cyclodextrin solubilization and complexation of antiretroviral drug lopinavir: In silico prediction; Effects of derivatization, molar ratio and preparation methodcitations
- 2018Preparation of ibuprofen/hydroxypropyl-Γ-cyclodextrin inclusion complexes using supercritical CO2-assisted spray dryingcitations
- 2017Supercritical CO2-assisted spray drying of strawberry-like gold-coated magnetite nanocomposites in chitosan powders for inhalationcitations
- 2017Bioactivity, mechanical properties and drug delivery ability of bioactive glass-ceramic scaffolds coated with a natural-derived polymercitations
- 2016Design of experiments approach on the preparation of dry inhaler chitosan composite formulations by supercritical CO2-assisted spray-dryingcitations
- 2015Design of oligoaziridine-PEG coatings for efficient nanogold cellular biotaggingcitations
- 2015POxylated Polyurea Dendrimerscitations
- 2014Polyurea dendrimer for efficient cytosolic siRNA deliverycitations
- 2014Development of dual-responsive chitosan-collagen scaffolds for pulsatile release of bioactive moleculescitations
- 2012Dual stimuli responsive poly(N-isopropylacrylamide) coated chitosan scaffolds for controlled release prepared from a non residue technologycitations
- 2012Biocompatible polyurea dendrimers with pH-dependent fluorescencecitations
- 2008Preparation of membranes with polysulfone/polycaprolactone blends using a high pressure cell specially designed for a CO2-assisted phase inversioncitations
- 2008Ultrasonic energy as a tool in the sample treatment for polymer characterization through matrix-assisted laser desorption ionization time-of-flight mass spectrometrycitations
- 2007Boron trifluoride catalyzed polymerisation of 2-substituted-2-oxazolines in supercritical carbon dioxidecitations
- 2006Visual and acoustic investigation of the critical behavior of mixtures of CO2 with a perfluorinated polyethercitations
Places of action
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article
Polyurea dendrimer for efficient cytosolic siRNA delivery
Abstract
The design of small interfering RNA (siRNA) delivery materials showing efficacy in vivo is at the forefront of nanotherapeutics research. Polyurea (PURE-type) dendrimers are ‘smart’ biocompatible 3D polymers that unveil a dynamic and elegant back-folding mechanism involving hydrogen bonding between primary amines at the surface and tertiary amines and ureas at the core. Similarly, to a biological proton pump, they are able to automatically and reversibly transform their conformation in response to pH stimulus. Here, we show that PURE-G4 is a useful gene silencing platform showing no cellular toxicity. As a proof of concept we investigated the PURE-G4-siRNA dendriplex, which was shown to be an attractive platform with high transfection efficacy. The simplicity associated with the complexation of siRNA with polyurea dendrimers makes them a powerful tool for efficient cytosolic siRNA delivery. ; We acknowledge LabRMN at FCT/UNL and Rede Nacional de RMN for access to the facilities. Rede Nacional is supported with funds from Fundação para a Ciência e a Tecnologia (FC&T, Lisbon), Projecto de Re-equipamento Científico, Portugal. We thank the financial support from FC&T through Strategic Projects PEst-C/CTM/LA0025/2013, PEst-OE/SAU/UI0009/2013 and PEst-C/EQB/LA0006/2013 (FC&T: financial support to CENIMAT/I3N, CIGMH and REQUIMTE) and projects PTDC/EQU-EQU/116097/2009, PTDC/BBB-NAN/1812/2012, PTDC/CTM/099452/2008, PhD grants SFRH/BD/66858/2009 (R.B.R.) and SFRH/BD/62957/2009 (J.C.). ; Peer reviewed