Search Results - "da Silva, Marcio Jose"
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Novel Esterification of Glycerol Catalysed by Tin Chloride (II): A Recyclable and Less Corrosive Process for Production of Bio-Additives
Published in Catalysis letters (01-08-2011)“…In this work, a novel process based on use of a SnCl 2 ·2H 2 O catalyst which is less corrosive, inexpensive, and a water tolerant Lewis acid was employed for…”
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2
Transcriptional analysis of drought-induced genes in the roots of a tolerant genotype of the common bean (Phaseolus vulgaris L.)
Published in International journal of molecular sciences (28-03-2013)“…In Brazil, common bean (Phaseolus vulgaris L.) productivity is severely affected by drought stress due to low technology cultivation systems. Our purpose was…”
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3
Novel and Highly Efficient SnBr2-Catalyzed Esterification Reactions of Fatty Acids: The Notable Anion Ligand Effect
Published in Catalysis letters (01-11-2013)“…In this work, the efficiency of Lewis acid catalysts, SnX 2 (X = F − , Cl − , Br − , or − OAc), was investigated on the esterification reactions of fatty acids…”
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4
Catalysis of vegetable oil transesterification by Sn(II)-exchanged Keggin heteropolyacids: bifunctional solid acid catalysts
Published in Reaction kinetics, mechanisms and catalysis (01-12-2017)“…Keggin heteropolyacid protons (i.e., H 3 PW 12 O 40 , H 3 PMo 12 O 40 , H 4 SiW 12 O 40 ) were partially exchanged with Sn(II) cations generating solid acid…”
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5
Monolacunary K8SiW11O39-Catalyzed Terpenic Alcohols Oxidation with Hydrogen Peroxide
Published in Catalysis letters (01-08-2018)“…Lacunar potassium undecasilicotungstate salt catalyst was highly efficient in oxidation reactions of terpenic alcohols with hydrogen peroxide. Carbonylic…”
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6
An Efficient Benzaldehyde Oxidation by Hydrogen Peroxide over Metal Substituted Lacunary Potassium Heteropolyacid Salts
Published in Catalysis letters (01-04-2018)“…Keggin heteropolyacids (i.e. H 3 PW 12 O 40 , H 3 PMo 12 O 40 and H 4 SiW 12 O 40 ) were converted to potassium lacunary salts and afterwards their vacancy…”
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Monoterpenes etherification reactions with alkyl alcohols over cesium partially exchanged Keggin heteropoly salts: effects of catalyst composition
Published in Chemical papers (01-01-2021)“…In this work, cesium partially exchanged Keggin heteropolyacid (HPA) salts were prepared, characterized, and evaluated as solid catalysts in monoterpenes…”
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8
A Highly Selective Na2WO4-Catalyzed Oxidation of Terpenic Alcohols by Hydrogen Peroxide
Published in Catalysis letters (2018)“…Sodium tungstate was found to be an active and highly selective catalyst to oxidation of various primary or secondary origin renewable alcohols by hydrogen…”
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9
A Highly Regioselective and Solvent-Free Sn(II)-Catalyzed Glycerol Ketals Synthesis at Room Temperature
Published in Catalysis letters (01-03-2015)“…Herein, an efficient and environmentally benign tin-based process who is a simple and available commercially catalyst, was used in the glycerol ketalization…”
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10
Synthesis of methanol from methane: Challenges and advances on the multi-step (syngas) and one-step routes (DMTM)
Published in Fuel processing technology (01-05-2016)“…To transform the methane oxidation to methanol in a selective, straight, economically attractive, and less energy-intense process is a goal pursued by the…”
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11
SnCl2-catalyzed synthesis of carbamates from renewable origin alcohols
Published in Chemical papers (01-05-2018)“…Effects of structure and reactivity of renewable origin alcohols in the conversion and selectivity of the SnCl 2 -catalyzed reactions in the presence and…”
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12
H3PMo12O40/Agroindustry Waste Activated Carbon-Catalyzed Esterification of Lauric Acid with Methanol: A Renewable Catalytic Support
Published in Waste and biomass valorization (01-04-2018)“…The heterogeneous catalytic route to produce biodiesel can reduce the amount of effluents generated in the steps of esters purification and allows the reuse of…”
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Traumatic dental injuries in children: experience during the Covid-19 pandemic and parents' knowledge about their management
Published in Brazilian oral research (01-01-2023)“…The social isolation measures adopted during the critical phase of the COVID-19 pandemic led children to spend most of their time at home. Isolation may alter…”
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14
Unlocking the bacterial and fungal communities assemblages of sugarcane microbiome
Published in Scientific reports (30-06-2016)“…Plant microbiome and its manipulation herald a new era for plant biotechnology with the potential to benefit sustainable crop production. However, studies…”
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15
Leaf-associated bacterial microbiota of coffee and its correlation with manganese and calcium levels on leaves
Published in Genetics and molecular biology (01-04-2018)“…Coffee is one of the most valuable agricultural commodities and the plants' leaves are the primary site of infection for most coffee diseases, such as the…”
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16
Anteroposterior condylar position: a comparative study between subjects with normal occlusion and patients with Class I, Class II Division 1, and Class III malocclusions
Published in Medical science monitor (29-10-2013)“…The present study aimed to determine and compare the anteroposterior position of the condyle in the mandibular fossa between groups of asymptomatic subjects…”
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17
Model for Designing Infiltration Basins in Tropical and Subtropical Climates with a Focus on Unpaved Roads
Published in Journal of hydrologic engineering (01-09-2014)“…AbstractControlling runoff from impervious surfaces such as roadways is an important part of storm water management in both urban and rural societies…”
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18
Use of gray values in CBCT and MSCT images for determination of density: influence of variation of FOV size
Published in Implant dentistry (01-04-2015)“…To determine the effect of field of view (FOV) size on gray values in cone beam computed tomography (CBCT) and multislice computed tomography (MSCT) images. A…”
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19
Bone mineral density in cone beam computed tomography:Only a few shades of gray
Published in World journal of radiology (28-08-2014)“…Cone beam computed tomography(CBCT) has often been used to determine the quality of craniofacial bone structures through the determination of mineral density,…”
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Transition Metal-Substituted Potassium Silicotungstate Salts as Catalysts for Oxidation of Terpene Alcohols with Hydrogen Peroxide
Published in Catalysis letters (01-07-2021)“…In this work, the catalytic activity of the transition metal-substituted potassium silicotungstate salts (i.e. K 8-n SiM n+ W 11 O 39 (M n+ = Cu 2+ , Co 2+ ,…”
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