| 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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Mann, Stephen
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2020Mixed liposomes containing gram-positive bacteria lipidscitations
- 2017Self-Assembly of Colloidal Nanocomposite Hydrogels Using 1D Cellulose Nanocrystals and 2D Exfoliated Organoclay Layerscitations
- 2015Multimodal Plasmonics in Fused Colloidal Networkscitations
- 2014In situ X-ray reflectivity studies of molecular and molecular-cluster intercalation within purple membrane filmscitations
- 2014In situ X-ray reflectivity studies of molecular and molecular-cluster intercalation within purple membrane filmscitations
- 2014Molecular dynamics simulations reveal a dielectric-responsive coronal structure in protein-polymer surfactant hybrid nanoconstructscitations
- 2013Electrochemical crystallization of spatially organized copper microwire arrays within biomineralized (dentine) templatescitations
- 2013Apoferritin-encapsulated PbS quantum dots significantly inhibit growth of colorectal carcinoma cellscitations
- 2013Apoferritin-encapsulated PbS quantum dots significantly inhibit growth of colorectal carcinoma cellscitations
- 2013Directing Chondrogenesis of Stem Cells with Specific Blends of Cellulose and Silkcitations
- 2013The reinforcement effects of graphene oxide nanoplatelets on the mechanical and viscoelastic properties of natural rubber
- 2012High magnetic field quantum transport in Au nanoparticle-cellulose filmscitations
- 2012Polymer/nucleotide droplets as bio-inspired functional micro-compartmentscitations
- 2012The differential effect of apoferritin-PbS nanocomposites on cell cycle progression in normal and cancerous cellscitations
- 2011Lamellar nanocomposite films of purple membrane and poly(acrylate)
- 2011Guest-Molecule-Directed Assembly of Mesostructured Nanocomposite Polymer/Organoclay Hydrogelscitations
- 2011Supramolecular hydrogels derived from silver ion-mediated self-assembly of 5 '-guanosine monophosphatecitations
- 2010Assembly of poly(methacrylate)/purple membrane lamellar nanocomposite films by intercalation and in situ polymerisationcitations
- 2009Structure and Properties of Silicified Purple Membrane Thin Filmscitations
- 2009Hydroxyapatite pattern formation in PVA gelscitations
- 2009Membrane stabilization and transformation in organoclay-vesicle hybrid constructscitations
- 2009Immobilisation and encapsulation of functional protein-inorganic constructscitations
- 2007Bio-functional mesolamellar nanocomposites based on inorganic/polymer intercalation in purple membrane (bacteriorhodopsin) filmscitations
- 2007Biomimetic hydroxyapatite-drug nanocrystals as potential bone substitutes with antitumor drug delivery propertiescitations
- 2007Influence of polymer co-intercalation on guest release from aminopropyl-functionalized magnesium phyllosilicate mesolamellar nanocompositescitations
Places of action
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article
Supramolecular hydrogels derived from silver ion-mediated self-assembly of 5 '-guanosine monophosphate
Abstract
We describe the preparation and properties of supramolecular hydrogels produced by spontaneous self-association of disodium guanosine 5'-monophosphate (Na(2)5'GMP) in the presence of Ag(+) ions. Hydrogels with increasing viscosity are prepared by increasing the GMP:Ag stoichiometry from a molar ratio of 1 : 1 to 1 : 2. In each case, the hydrogels comprise an interconnected matrix of nanofilaments that undergo a gel to sol transition between 50-80 degrees C, depending on the matrix composition. NMR, UV-vis and CD spectroscopy investigations, in combination with XRD and SAXS studies indicate that the nanofilaments are constructed from helically stacked, chiral arrays of Ag-GMP dimers. Cationic dyes such as methylene blue and Hoechst-33258 bind to the Ag-GMP nanofilaments, with the latter dye exhibiting induced chirality transfer and significantly disrupting the hydrogel superstructure. Protein molecules (cytochrome c) can be immobilized within the hydrogels without loss of enzymatic activity. We also show that nanocomposite hydrogels comprising Ag-GMP nanofilaments impregnated with plasmonic Ag nanoparticles can be readily prepared by prolonged exposure to light.