Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Julio B. Fernandes"'
A Rapid and Facile Synthesis Method for Nanosize Rutile Phase TiO2 with High Photocatalytic Activity
Autor:
Julio B. Fernandes, Priyanka P. Bidaye
Publikováno v:
Green and Sustainable Chemistry. :27-37
A green, rapid and facile method for synthesis of pure rutile TiO2 has been developed. Rutile TiO2 of high purity was synthesized by controlled hydrolysis of TiCl3 in aqueous medium at room temperature. Addition of nitric acid to TiCl3 greatly increa
Autor:
Madhavi D. Shete, Julio B. Fernandes
Publikováno v:
Bulletin of Materials Science. 42
$$\upalpha $$ - $$\hbox {Fe}_{2}\hbox {O}_{3}$$ was synthesized by preparing a mixture of Fe(III) nitrate with urea as a precursor. The yellowish coloured precursor was calcined at $$400{^{\circ }}\hbox {C}$$ for 2 h, resulting in the formation of br
Autor:
Purnakala Samant, Julio B. Fernandes
Publikováno v:
Chemical Physics Letters. 745:137277
Insitu FTIR (Fourier transform infrared spectroscopy) technique has been employed to study the oxidation of methanol on Platinum and Platinum - Ruthenium catalysts supported on HY zeolites [Pt-Ru (HY)/C]. The reaction has been studied by recording th
Publikováno v:
Catalysis Communications. 65:20-23
Zinc oxide and its composites with Hβ zeolite were produced under different synthesis conditions. The synthesized catalysts were evaluated for performance in esterification of n-butanol with acetic acid. BET surface area, XRD, and acidity (using NH3
Autor:
Josefa Domingos, John Dean, Júlio B. Fernandes, Catarina Ramos, Miguel Grunho, Luís Proença, João R. Vaz, Catarina Godinho
Publikováno v:
Trials, Vol 24, Iss 1, Pp 1-9 (2023)
Abstract Background Falling and gait difficulties in people with Parkinson’s disease (PD) are associated with impaired reactive postural adjustments and impairments in attentional resources. Combined intensive balance motor and cognitive exercise c
Externí odkaz:
https://doaj.org/article/e959730a1b104cf5ad63e975aa6904bd
Publikováno v:
Journal of Cluster Science. 25:423-433
In the present study we report the use of cells of a Haloarchaeon for the green synthesis of silver nanoparticles. Biosynthesis of AgNPs occurred within 30 s on exposure of cells of Haloferax alexandrinus to silver nitrate in direct sunlight. Maximum
Autor:
Julio B. Fernandes, Pranay P. Morajkar
Publikováno v:
Catalysis Communications. 11:414-418
The present investigation describes a new method to prepare a high surface area mesoporous γ-Al2O3 by controlled calcination of Al (III) nitrate with urea. The alumina catalyst thus obtained is characterized by XRD, adsorption–desorption isotherms
Publikováno v:
Applied Catalysis B: Environmental. 72:129-135
This investigation focuses mainly on the use of a synthetic cryptomelane type manganese octahedral molecular sieve, OMS-2, as a catalyst for the total oxidation of ethyl acetate. OMS-2 was found to be a highly efficient catalyst giving 100% conversio
Publikováno v:
Environmental science and pollution research international. 23(1)
Zerovalent iron (ZVI) nanoparticles are gaining popularity in bioremediation of contaminated ground water and antimicrobial studies. In this study, ZVI nanoparticles were synthesized by borohydride method. The effect of these nanoparticles to alter t
Autor:
José L. Figueiredo, Manuel Fernando R. Pereira, Philippe Serp, Philippe Kalck, Julio B. Fernandes, P.V. Samant
Publikováno v:
Carbon. 44:2516-2522
Multiwalled carbon nanotubes and high surface area mesoporous carbon xerogel were prepared and used as supports for monometallic Pt and bimetallic Pt–Ru catalysts. In order to assess the influence of the oxygen surface groups of the support, the me