Mireille Attolini

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The synthesis of new C-6 1,2,3-triazole adenosine derivatives via microwave assisted 1,3-dipolar cycloaddition as key step is described. The binding on membranes of cells that over express A(1) adenosine receptors (A(1)AR) was also evaluated. Among them, four compounds increased cAMP production, in a dose-dependent manner acting as antagonists of the(More)
RGD (Arg-Gly-Asp) peptidomimetics have been designed for covalent anchorage on biomaterials. The tyrosine template was thus equipped with (i) a basic side chain of various flexibility, (ii) an acidic side chain, which incorporated the XPS fluorine tag, and (iii) a spacer-arm terminated by a primary amine for surface grafting. The most active compounds(More)
Though differing only slightly in their degrees of sulfation, heparin preparations from pig mucosa and those from beef mucosa have consistently different 13C- and 1H-NMR spectra, which provide useful fingerprints for distinguishing the two types of heparin. Integrated areas of NMR signals associated with minor, undersulfated sequences (assigned by(More)
APACHE96 is a new experiment devoted to investigate the Cosmic Microwave Background anisotropies at small angular scales. Main goal of this experiment is to obtain a map of a circular strip of the sky around the SCP. Observations will take advantage of the exceptional dryness and stability of the atmosphere on the high Antarctic Plateau, at Dome C. The rst(More)
The cross talk between different membrane receptors is the source of increasing research. We designed and synthesized a new hetero-bivalent ligand that has antagonist properties on both A(1) adenosine and mu opiate receptors with a K(i) of 0.8+/-0.05 and 0.7+/-0.03 microM, respectively. This hybrid molecule increases cAMP production in cells that over(More)
A non-peptide mimic of the Arg-Gly Asp (RGD) active sequence of adhesive proteins (such as vitronectin) has been equipped with two different spacer-arms for surface anchorage. The covalent grafting on poly(ethylene terephthalate) (PET) membrane was realized via the activation of the hydroxyl polymer chain-ends by tosylation followed by nucleophilic(More)
RGD (Arg-Gly-Asp) peptidomimetics have been designed for covalent anchorage on biomaterials. The tyrosine template was thus equipped with (i) a basic side chain of various flexibility, (ii) an acidic side chain, which incorporated the XPS fluorine tag, and (iii) a spacer-arm terminated by a primary amine for surface grafting. The most active compounds(More)
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