Academic literature on the topic 'Introduzione fluoro'
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Journal articles on the topic "Introduzione fluoro"
Ignazi, Piero. "LA CULTURA POLITICA DEL MOVIMENTO SOCIALE ITALIANO." Italian Political Science Review/Rivista Italiana di Scienza Politica 19, no. 3 (December 1989): 431–65. http://dx.doi.org/10.1017/s0048840200008650.
Full textDissertations / Theses on the topic "Introduzione fluoro"
IANNONE, MARCO NICOLA. "DEVELOPMENT OF NEW “GENERAL PURPOSE” METHODS TO INTRODUCE FLUORINE-18 IN BIOLOGICALLY ACTIVE MOLECULES." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2023. https://hdl.handle.net/10281/402443.
Full textThe present work has been focused on the radiosynthesis and characterization of a series of PSMA-617 derivatives functionalized in different ways, aimed to implement general purpose methods for the introduction of fluorine-18, in mild conditions, in macromolecules of potential interest as PET radiopharmaceuticals. Three different approaches have been considered, choosing PSMA-617 as a suitable model, due to its well established and suitable in vivo behaviour; fluorine-18 was introduced: i) via “click chemistry”, ii) by coordination of suitable chelators with [18F]AlF2+, and iii) via nucleophilic substitution of potentially new leaving groups. As the precursors for radiolabelling were not commercially available, they have been fully synthesized in the course of the present work. Moreover, radiosynthesis of the three approaches were completely automated. Finally, a further aim was the in vivo testing of the radiolabelled compounds, using small animal PET camera, to at least evaluate their pharmacokinetic and biodistribution properties, in vivo. 1) Introduction via CuAAC “click chemistry” This sub-project focused on the radiolabeling with fluorine-18 of a PSMA-617 derivative via “click chemistry”. The copper-catalyzed azide-alkyne cycloaddition (CuAAC) is considered one of the best ways to introduce fluorine-18 on macromolecules in mild conditions and resulted to be very effective. Chemical synthesis of precursors was conducted with an overall yield of ~19%. Then, a two steps radiosynthesis was implemented. Fluorine-18 radiolabeled product was obtained with high purity (radiochemical purity >99%, radiosynthesis time 112 min, ~6% of not-corrected RCY, ~30 GBq/μmol). Moreover, it resulted to be stable in vitro and in human plasma. Thus, a “general purpose” method for the radiolabeling of macromolecules via CuAAC chemistry was developed. 2) Fluorine-18 introduction by [18F](AlF)2+ chemistry This sub-project focused on the radiolabeling with [18F]AlF2+ of two derivatives of PSMA-617 functionalized with chelators NODA and RESCA. At first, chemical synthesis of precursors was conducted with an overall yield of ~31% for PSMA-617-NODA derivative and ~25% for PSMA-617-RESCA derivative. Then, radiosynthesis was implemented. Radiolabeling conditions and in vitro and in vivo stability were compared for the two derivatives: in case of PSMA-617-NODA, [18F]AlF2+ complex introduction occurred by heating at 110°C, but the final product resulted to be stable both in solution and in human plasma (radiochemical purity >99%, radiosynthesis time 59 min, ~23% of not-corrected RCY, molar activity >170 GBq/μmol). On the other hand, in case of PSMA-617-RESCA, [18F]AlF2+ complex introduction occurred at room temperature, but the final product resulted to be less stable both in solution and in human plasma (radiochemical purity >99%, radiosynthesis time 42 min, ~40% of not-corrected RCY, molar activity >90 GBq/μmol). Finally, the two radiopharmaceuticals were tested in vivo on human prostate tumor and human glioblastoma tumor inoculated mice. 3) Direct fluorine-18 introduction (SN2) The third sub-project focused on the radiolabeling with fluorine-18 via a direct SN2 reaction of two derivatives of PSMA-617 functionalized with 2-trimethylammonium nicotinic amide and bromoacetic amide. At first, chemical synthesis of precursors was performed with an overall yield of ~22% for precursor 2-trimethylammonium nicotinic amide functionalized and ~10% for bromoacetic amide functionalized precursor. Then, radiolabeling of PSMA-617 2-trimethylammonium nicotinic amide derivative was successfully performed (radiochemical purity >99%, synthesis time 63 min, ~20% of not-corrected RCY, >1000 GBq/μmol). Unfortunately, radiolabeling of PSMA-617 bromoacetic amide functionalized precursor did not proceed.
Falleni, Elena. "Soluzioni automatizzate di stoccaggio e movimentazione della merce: analisi dello stato dell'arte, classificazione e introduzione di un diagramma di flusso per la corretta applicazione industriale." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Find full textPANTINI, SARA. "Analysis and modelling of leachate and gas generation at landfill sites focused on mechanically-biologically treated waste." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2013. http://hdl.handle.net/2108/203393.
Full textBook chapters on the topic "Introduzione fluoro"
De Petris, Graziano, and Maria Assunta Cova. "Introduzione alla logica e ai diagrammi di flusso." In Elementi di informatica in diagnostica per immagini, 183–93. Milano: Springer Milan, 2010. http://dx.doi.org/10.1007/978-88-470-1667-5_15.
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