2015

Rh(III)-catalyzed [5+1] oxidative cycloaddition of arylguanidines with alkynes: a novel access to C4-disubstituted 1,4-dihydroquinazolin-2-amines

22 de abril de 2019 LAbI UFSCar 0

Rh(III)-catalyzed [5+1] oxidative cycloaddition of arylguanidines with alkynes: a novel access to C4-disubstituted 1,4-dihydroquinazolin-2-amines Abstract: Anovel and mild Rh-III-catalyzed [5+1] oxidative cycloaddition between arylguanidines and alkynes efficiently affords C4-disubstituted 1,4-dihydroquinazolin-2-amines. Members of this family of heterocycles, […]

Photoluminescence in NaNbO3 particles and films

22 de abril de 2019 LAbI UFSCar 0

Photoluminescence in NaNbO3 particles and films Abstract: In this work, we report the photoluminescence properties of NaNbO3 particles and films. The crystallization of NaNbO3 particles produced Na2NbO6.nH(2)O intermediate phase which was then converted to NaNbO3 following […]

Impact of the Alkali Cation on the Oscillatory Electro-Oxidation of Ethylene Glycol on Platinum

22 de abril de 2019 LAbI UFSCar 0

Impact of the Alkali Cation on the Oscillatory Electro-Oxidation of Ethylene Glycol on Platinum Abstract: We report the effect of alkali cation (Li+, Na+, and K+) on the oscillatory electro-oxidation of ethylene glycol in alkaline media. […]

10 to 25-fold increase in the transport superconducting critical current density of spark-plasma sintered Bi-2223 superconductors

22 de abril de 2019 LAbI UFSCar 0

10 to 25-fold increase in the transport superconducting critical current density of spark-plasma sintered Bi-2223 superconductors Abstract: Pre-reacted powders of (Bi-Pb)(2)Sr2Ca2Cu3O10+delta (Bi-2223) were consolidated by using the spark plasma sintering (SPS) technique under vacuum and at […]

A comparison of charge-transfer mechanisms at rotated disk electrode for biomimetic binuclear and tetranuclear oxo-manganese complex in aqueous solution

22 de abril de 2019 LAbI UFSCar 0

A comparison of charge-transfer mechanisms at rotated disk electrode for biomimetic binuclear and tetranuclear oxo-manganese complex in aqueous solution Abstract: Many high-valence multinuclear mu-oxo-bridged manganese complexes have been synthesized to mimic the active site of the […]

Degree of conversion of different composite resins photo-activated with light-emitting diode and argon ion laser

22 de abril de 2019 LAbI UFSCar 0

Degree of conversion of different composite resins photo-activated with light-emitting diode and argon ion laser Abstract: This study evaluated the degree of conversion (DC%) of one experimental and different brands of composite resins light-cured by two […]

Insights into electrodegradation mechanism of tebuconazole pesticide on Bi-doped PbO2 electrodes

22 de abril de 2019 LAbI UFSCar 0

Insights into electrodegradation mechanism of tebuconazole pesticide on Bi-doped PbO2 electrodes Abstract: The effect of the Bi doping of PbO2 coatings on the electrochemical degradation of the pesticide tebuconazole (TBC) was investigated. The insertion of 8% […]

Oscillatory Electro-oxidation of Methanol on Nanoarchitectured Pt-pc/Rh/Pt Metallic Multilayer

22 de abril de 2019 LAbI UFSCar 0

Oscillatory Electro-oxidation of Methanol on Nanoarchitectured Pt-pc/Rh/Pt Metallic Multilayer Abstract: The oscillatory electro-oxidation of methanol was studied on polycrystalline Pt-pc and Pt-pc/Rh-2.0/Pt-1.0 metallic multilayers. The surfaces investigated consisted of 1.0 Pt outlayer surface deposited onto 2.0 […]

Antimicrobial photodynamic therapy against pathogenic bacterial suspensions and biofilms using chloro-aluminum phthalocyanine encapsulated in nanoemulsions

22 de abril de 2019 LAbI UFSCar 0

Antimicrobial photodynamic therapy against pathogenic bacterial suspensions and biofilms using chloro-aluminum phthalocyanine encapsulated in nanoemulsions Abstract: Antimicrobial photodynamic therapy represents an alternative method of killing resistant pathogens. Efforts have been made to develop delivery systems for […]

Local structure and hybridization states in Ba0.9Ca0.1Ti1-xZrxO3 ceramic compounds: Correlation with a normal or relaxor ferroelectric character

22 de abril de 2019 LAbI UFSCar 0

Local structure and hybridization states in Ba0.9Ca0.1Ti1-xZrxO3 ceramic compounds: Correlation with a normal or relaxor ferroelectric character Abstract: This paper reports on a multi-edge X-ray absorption analysis to elucidate how the substitution of Ti4+ by Zr4+ […]