Sfoglia Chimica per Titolo
Items 13-32 di 93
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Chiral Bioactive Cyclopeptoids: Concepts and Purposes
(Universita degli studi di Salerno, 2020-02-09)Peptides are an endless source of inspiration for medicinal chemistry, as these biomacromolecules regulate a number of biological activities, acting as hormones, neurotransmitters, signalling molecules and so on. They show ... -
Chiral organocatalysts mediated asymmetric oxyfunctionalization and tandem reaction
(Universita degli studi di Salerno, 2015-03-13)Asymmetric organocatalysis is a new rapidly growing field whose huge potential is becoming more and more evident.This PhD project has been conceived and developed in the context of non-covalent organocatalysis. The aim of ... -
CO2 fixation in cyclic carbonates and polycarbonates by salen-like based metal complexes
(Universita degli studi di Salerno, 2019-02-06)At the current rate of consumption of petroleum resources, they are predicted to be exhausted within the next century. For this reason, the development of new chemical processes using biorenewable resources is attracting ... -
Combined adsorption and solar driven photocatalysis processes for the removal of persistent contaminants from water by highly porous nanocomposite aerogels
(Universita degli studi di Salerno, 2021-07-26)Water is a very important resource for human and ecosystem. However, in recent years the presence of pollutants, such as pharmaceuticals, cosmetics, personal cares, dyes, and pesticides deriving from industrial, agricultural, ... -
Comparative studies on the physiological adaption of mitochondria and endoplasmic reticulum to envirnmental xenobiotics from invertebrate to mammals
(Universita degli studi di Salerno, 2021-04-20)Mitochondria are critical for numerous cellular and biochemical processes. The reciprocal interaction between mitochondria and the endoplasmic reticulum impacts several cellular functions. In cellular and animal models, ... -
Complexes of coinage metals stabilized by N-heterocyclic carbenes: catalytic and biological activities
(Universita degli studi di Salerno, 2022-05-30)Since the synthesis, the isolation, and the characterization of the first stable N-heterocyclic carbene (NHC) in 1991 by Arduengo and collaborators, this class of ligands has attracted the attention of researchers for ... -
Copolymerization of olefins with polar monomers by transition metal catalysts
(Universita degli studi di Salerno, 2022-06-13)The investigation into copolymerizing olefins by Ni(Il) complexes bearing pyridylimine ligands was achieved in this study. The complexes, in the presence of a proper activating agent, were found to generate active catalysts ... -
Design e sintesi di analoghi delle azumammidi, potenti inibitori degli enzimi HDACs
(Universita degli studi di Salerno, 2011-03-07)Le azumammidi sono cinque ciclopeptidi di origine marina, isolate nel 2003 da Fusetani et al dalla spugna Mycale izuensis e brevettate dalla Yamanouchi Pharmaceutical. L'interesse destato da questi metaboliti secondari è ... -
Development and optimization of analytical methods for the analysis of drugs in wastewater samples and chronic aquatic toxicity assessment of the Crustacea Copepoda Tigriopus fulvus
(Universita degli studi di Salerno, 2020-02-13)Pharmaceutical compounds constitute one of the most important emerging classes of environmental pollutants. Recent studies have discovered their occurrence in environmental samples investigated worldwide, including different ... -
Development of eco-sustainable methodologies for innovative materials inspired by cellulose fibers
(Universita degli studi di Salerno, 2021-04-28)This PhD is an “Industrial-PhD”, carried out in collaboration between University of Basilicata and LUCART S.p.A (Porcari, Lucca, Italy), in that case with the plant located at Avigliano (Potenza, Italy). The scholarship ... -
Development of iron-based catalysts for the coupling of carbon dioxide with epoxides
(Universita degli studi di Salerno, 2018-03-07)Beside the environmental and energetic issues, carbon dioxide can be considered as a resource. Many chemical transformations based on CO2 as C-1 building block have been developed. The coupling reaction of epoxides with ... -
Development of molecular models of interfaces using a multi-scale hybrid particle-field approach: application to composite materials and biomembranes
(Universita degli studi di Salerno, 2014-03-07)The rule of the interface in systems including polymer composites and block-‐ copolymer interacting with biomembrane has been investigated by computational approach. In particular, for the polymer composite investigatio ... -
Development of new in vitro models based on the use of electrospun scaffolds and their imaging by multiphoton microscopy coupled with fluorescence lifetime imaging microscopy
(Universita degli studi di Salerno, 2018-02-22)In this thesis, new possible applications of electrospun scaffolds are presented. Besides, the interaction of human dermal fibroblasts (HDFs) with the materials has been investigated using multiphoton microscopy (MPM) ... -
Dynamical control of engineered stimuli-responsive materials: synthesis and optimization of active micro-vesicles
(Universita degli studi di Salerno, 2020-02-14)The aim of this PhD project is the combination of a pH clock reaction (the enzymatic urea-urease reaction) with pH-responsive materials to generate a chemo-mechanical coupling. A clock reaction is characterized by a latent ... -
Effect of thermo wood modification and polyoxometalates catalysts on yield and extractives composition
(Universita degli studi di Salerno, 2019-02-06)The aims of this work were to investigate the impact of the heat treatment on the chemical composition (holocellulose, lignin and extractives) of different wood species, to characterise and quantify wood extractives and ... -
Elucidation of crystal structures and structural changes using X-ray powder diffraction
(Universita degli studi di Salerno, 2021-03-12)In the process of understanding the properties and behaviour of a compound, and designing improved materials, probing the atomic-level structure is a decisive step. Single crystal X-ray diffraction, a widespread, non-destructive ... -
Enantioselective construction of new heterocyclic scaffolds via organocatalyzed cascade reactions
(Universita degli studi di Salerno, 2019-02-04)Chirality plays a vital role in human daily life. After the famous but tragic case regarding the Thalidomide, Food and Drug Administration (FDA) gave a guide in relation to the submission of new drug applications... [edited ... -
Environmental and catalytic applications of alkaline oxides
(Universita degli studi di Salerno, 2015-04-20)Alkaline oxides are widely used in industrial processes involving removal of gaseous compounds as unwanted by-products such as CO2, hydrogen sulphide and nitric oxides. Traditional processes generally involve Ca-based ... -
Enzymatic synthesis of macrolactones
(Universita degli studi di Salerno, 2011-02-24)Macrolactones are a large and structurally diverse class of compounds. Natural products having a macrolactone structure have been isolated from many natural sources such as plants, insects, marine organism and bacteria. ... -
Exploring batch and flow catalytic reactions as valuable tools for safer and greener synthesis of APIs and their fluorine intermediates
(Universita degli studi di Salerno, 2022-06-06)Il gruppo trifluorometiltio (SCF3) assume un ruolo chiave nel campo della scoperta di farmaci grazie alle sue proprietà uniche. Il forte carattere elettron-attratore e lipofilo rende vantaggiosa la sua incorporazione ...
