Search Results - "Oliveira, W. P."
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Synthesis of colloidal nanoscaled copper–indium–gallium–selenide (CIGS) particles for photovoltaic applications
Published in Journal of colloid and interface science (15-09-2012)“…[Display omitted] ► The colloidal CIGS nanoparticles are synthesized for photovoltaic applications. ► A non-vacuum solvo-thermal method is used for synthesis…”
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2
The effects of the aluminium concentration on optical and electrical properties of AZO thin films as a transparent conductive layer
Published in Journal of materials science. Materials in electronics (01-09-2013)“…In this paper, we studied the effects of the aluminium dopant concentration on the optical and electrical properties of aluminium doped zinc oxide (AZO) thin…”
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3
Oxygen sensing properties of zinc oxide nanowires, nanorods, and nanoflowers: The effect of morphology and temperature
Published in Thin solid films (31-10-2013)“…In this paper, we report the synthesis of one-dimensional zinc oxide (ZnO) nanostructures and the impact of their morphology on oxygen gas sensing properties…”
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Journal Article Conference Proceeding -
4
Spouted Bed Drying as a Method for Enzyme Immobilization
Published in Drying technology (18-11-2013)“…Usually immobilization is a requirement for the use of enzymes as an industrial biocatalyst. In this work, endophytic fungus Cercospora kikuchii lipase was…”
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5
Drying of enzyme immobilized on eco-friendly supports
Published in African journal of biotechnology (04-11-2015)“…Endophytic fungus Cercospora kikuchii lipase was immobilized on agroindustrial by-products and dried by oven, freeze and spray drying. Spray drying showed the…”
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6
Formation and properties of cadmium sulfide buffer layer for CIGS solar cells grown using hot plate bath deposition
Published in Journal of materials science. Materials in electronics (01-06-2014)“…In the present study, cadmium sulfide (CdS) thin films were deposited on different substrates [soda glass, fluoride doped tin oxide, and tin doped indium oxide…”
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Solid state studies on molecular inclusions of Lippia sidoides essential oil obtained by spray drying
Published in Journal of thermal analysis and calorimetry (01-03-2009)“…Inclusion complexes of Lippia sidoides essential oil and β-cyclodextrin were obtained by slurry method and its solid powdered form was prepared using spray…”
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Novel conductive characteristics of ITO:Ti films deposited by spin coating from colloidal precursor
Published in Journal of sol-gel science and technology (01-09-2011)“…Transparent semiconducting ITO:Ti thin films, prepared by a sol–gel process, has been deposited by spin-coating technique onto alkali-free glass substrates…”
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Thermal properties and release of Lippia sidoides essential oil from gum arabic/maltodextrin microparticles
Published in Journal of thermal analysis and calorimetry (01-11-2008)“…Microencapsulation of Lippia sidoides essential oil was carried out by spray drying. Blends of maltodextrin and gum arabic were used as carrier. Spray dried…”
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Adhesion strength of soot particles to cellulose ester membranes determined by centrifuge technique
Published in Aerosol science and technology (01-02-2021)“…Adhesion forces between microparticles and substrates is a parameter of fundamental importance in studies of surfaces contamination and decontamination, filter…”
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Nanostructured lipid carriers loaded with essential oils: a strategy against SARS-CoV-2
Published in Journal of microencapsulation (01-06-2024)“…This work aimed to investigate the effectiveness of and essential oils (EOs) encapsulated in nanostructured lipid carriers (NLCs) as SARS-CoV-2 inhibitors…”
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Influence of PEG-12 Dimethicone addition on stability and formation of emulsions containing liquid crystal
Published in International journal of cosmetic science (01-06-2007)“…Synopsis Oil/water emulsions, containing liquid crystals, were developed employing Andiroba oil, PEG‐12 Dimethicone and Crodafos CES®. It was evaluated the…”
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Interference coatings on glass based on photopolymerizable nanomer material
Published in Thin solid films (30-08-1999)“…A new sol-gel method for the preparation of optical SiO sub(2) and TiO sub(2) multilayer coatings has been developed. As an example, a 3-layer antireflective…”
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Conference Proceeding Journal Article -
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Evaluation of the anti-ulcerogenic activity of a dry extract of Maytenus ilicifolia Martius ex. Reiss produced by a jet spouted bed dryer
Published in Pharmazie (01-08-2003)“…We undertook the present study to evaluate the activity of the dried extract of Maytenus ilicifolia against stomach ulcers and in the increase of the volume…”
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Enzymatic Transesterification of Coconut Oil Using Chitosan-Immobilized Lipase Produced by Fluidized-Bed System
Published in Energy & fuels (16-11-2017)“…This work demonstrated the catalytic performance of Cercospora kikichii lipase immobilized onto chitosan acetate microparticles activated with different…”
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Electro-optical characterization of carbon nanotube-based coatings under CO2 laser irradiation
Published in Physica Status Solidi (b) (01-11-2007)“…Conductive coatings made from very thin functionalized (–NH2) multi‐walled carbon nanotubes dispersed in a TiO2‐based sol were irradiated with CO2 laser using…”
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Journal Article Conference Proceeding -
17
Antioxidant and antimicrobial activities of Psidium guajava L. spray dried extracts
Published in Industrial crops and products (01-09-2014)“…•Health benefits have been reported for Psidium guajava (guava) extracts.•Manufacture and evaluation of antioxidant and antimicrobial standardized guava…”
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Enhancement lipase activity via immobilization onto chitosan beads used as seed particles during fluidized bed drying: Application in butyl butyrate production
Published in Applied catalysis. A, General (25-07-2021)“…[Display omitted] •Fluidized bed dryer to enzyme immobilization and dehydration by a single step.•The lipase immobilized on glutaraldehyde-activated chitosan…”
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19
Enzymatic Synthesis of Biodiesel Using Immobilized Lipase on a Non-commercial Support
Published in Energy & fuels (16-06-2016)“…In this work was produced an immobilized biocatalyst from Cercospora kikuchii lipase with beneficial catalytic activity and stability. The immobilized…”
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20
Investigation of acoustic signals as a tool for characterizing spouted bed dynamics
Published in Canadian journal of chemical engineering (01-04-2009)“…The feasibility of characterizing the dynamics of a spouted bed based on acoustic emission (AE) signals is evaluated. Acoustic emission signals were measured…”
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Journal Article Conference Proceeding