11 documents found, page 1 of 2
A New Curcuminoids-Coumarin Derivative: Mechanochemical Synthesis, Characteriza...
de Moura, Aniele [UNESP]; Gaglieri, Caroline [UNESP]; Alarcon, Rafael Turra [UNESP]; Ferreira, Laura Teófilo [UNESP]; Vecchi, Rafael [UNESP]Made available in DSpace on 2022-04-29T08:46:04Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-11-08; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Over the years, several drugs have been developed deriving from plants to investigate possible therapeutic roles. Among them, curcuminoids and coumarins, which, display a wide range of biological activity against several strains. There...
A deep investigation into the thermal degradation of urethane dimethacrylate po...
Alarcon, Rafael Turra [UNESP]; Gaglieri, Caroline [UNESP]; dos Santos, Giovanny Carvalho [UNESP]; Roldao, Juan Carlos [UNESP]Made available in DSpace on 2021-06-25T11:14:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; This work investigates in depth the thermal degradation process of a polymer of urethane dimethacrylate (UDMA). UDMA monomer has been widely used in dental restorations and biomaterials. The use of density functional theory (DFT) calculations provided the bases for understanding the structure and reacti...
Environmental effects in nitroquinoline derivatives solutions: Solvatochromism,...
dos Santos, Giovanny Carvalho [UNESP]; Rodrigues, Julia Lopes [UNESP]; Moreno, Vitor Fernandes [UNESP]; da Silva-Filho, Luiz Carlos [UNESP]Made available in DSpace on 2021-06-25T10:25:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-07-05; Since the first chemical fluorescent sensor reported in 1867, it has often been sought to find intelligent organic molecules that act as chemical sensors of high selectivity and sensitivity. In this process, the colorimetric and fluorescence methods have more advantages, as they are generally very sensi...
Mechanochemical synthesis, characterization and thermoanalytical study of a new...
de Moura, Aniele [UNESP]; Gaglieri, Caroline [UNESP]; da Silva-Filho, Luiz Carlos [UNESP]; Caires, Flávio Junior [UNESP]Made available in DSpace on 2020-12-12T01:30:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; The curcumin is the major constituent of turmeric plant (Curcuma longa), which presents several biological activities such as antioxidant, bactericidal, anti-inflammatory and antitumor. An interesting strategy to improve its properties is to synthetize curcumin derivatives. Thus, the synthesis of a new ...
Combined Spectroscopic and TD-DFT Analysis to Elucidate Substituent and Acidoch...
dos Santos, Giovanny Carvalho [UNESP]; Roldao, Juan Carlos; Shi, Junqing; Milián-Medina, Begoña; da Silva-Filho, Luiz Carlos [UNESP]Made available in DSpace on 2020-12-12T01:33:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; A combined spectroscopic and TD-DFT case study was performed, to identify a robust method to calculate the complex near UV/Vis absorption spectra of various amino- vs. nitro-substituted 2,4-diphenylquinolines, which vary strongly under neutral and successively acidic conditions. For this, different DFT ...
Synthesis and characterization of a biopolymer of glycerol and macadamia oil
Pires, Osmar Antonio Baldo [UNESP]; Alarcon, Rafael Turra [UNESP]; Gaglieri, Caroline [UNESP]; da Silva-Filho, Luiz Carlos [UNESP]Made available in DSpace on 2019-10-06T16:57:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-07-15; The main objective of this work was the synthesis of a polymer using a vegetable and renewable feedstock and following the green chemistry principles. The use of macadamia oil (extracted from Macadamia integrifolia nuts) in a synthesis route was achieved under mild temperature and pressure conditions. T...
Designing new quinoline-based organic photosensitizers for dye-sensitized solar...
dos Santos, Giovanny Carvalho [UNESP]; Oliveira, Eliezer Fernando; Lavarda, Francisco Carlos [UNESP]; da Silva-Filho, Luiz Carlos [UNESP]Made available in DSpace on 2019-10-06T17:03:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-03-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); In this work, 27 new quinoline-derivative dyes were proposed, and their geometries, electronic structures, and absorption spectra were investigated using density functiona...
New thermal study of polymerization and degradation kinetics of methylene diphe...
da Silva, José Eduardo Estevam [UNESP]; Alarcon, Rafael Turra [UNESP]; Gaglieri, Caroline [UNESP]; Magdalena, Aroldo Geraldo [UNESP]Made available in DSpace on 2018-12-11T17:36:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-09-01; This work investigates the thermal polymerization process of a methylene diphenyl diisocyanate (MDI) monomer as well as its thermal degradation following the ICTAC recommendations. MDI monomer is widely used as a synthetic resin in the production of MDF panels, as it provides compaction of the eucalyptu...
Theoretical-Experimental Photophysical Investigations of the Solvent Effect on ...
dos Santos, Giovanny Carvalho [UNESP]; Servilha, Roberta Oliveira [UNESP]; de Oliveira, Eliézer Fernando [UNESP]; Lavarda, Francisco Carlos [UNESP]Made available in DSpace on 2018-12-11T17:11:43Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-09-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); This paper describes the investigations on the solvatochromic effect and the photophysical properties of quinoline derivatives, compounds with potential applicability in o...
Improved synthesis of tetraaryl-1,4-dihydropyrrolo[3,2-b]pyrroles a promising d...
Martins, Lucas Michelão [UNESP]; de Faria Vieira, Samuel [UNESP]; Baldacim, Gabriel Baldo [UNESP]; Bregadiolli, Bruna Andressa [UNESP]Made available in DSpace on 2018-12-11T17:14:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-01-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Pyrrolo-[3,2-b]pyrroles represent a class of promising materials for application in organic electronics with interesting optoelectronic properties and great synthesis vers...