Duclerc Fernandes Parra
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View article: Antibacterial Resin Composites with Sustained Chlorhexidine Release: One-Year In Vitro Study
Antibacterial Resin Composites with Sustained Chlorhexidine Release: One-Year In Vitro Study Open
Background: The addition of chlorhexidine in dental restorative materials is a promising strategy to reduce the recurrence of tooth decay lesions. However, the main challenge is to develop materials with antimicrobial activity in the long …
View article: BALANCING FLEXIBILITY AND STRENGTH OF HYDROXYPROPYLATED STARCH/CELLULOSE NANOFIBRILS BIOCOMPOSITES
BALANCING FLEXIBILITY AND STRENGTH OF HYDROXYPROPYLATED STARCH/CELLULOSE NANOFIBRILS BIOCOMPOSITES Open
This study investigates the thermal-mechanical properties of hydroxypropylated starch (HPS) as a plasticizer for conventional thermoplastic starch (TPS) films, reinforced with cellulose nanofibrils (CNF). A previous study showed that hydro…
View article: Impact of High-Dose Gamma Irradiation on PLA/PBAT Blends Reinforced with Cellulose Nanoparticles from Pineapple Leaves
Impact of High-Dose Gamma Irradiation on PLA/PBAT Blends Reinforced with Cellulose Nanoparticles from Pineapple Leaves Open
Polylactic acid (PLA), a widely used biopolymer, faces limitations in melt strength and miscibility with poly-(butylene adipate-co-terephthalate) (PBAT), requiring compatibilization strategies. This study uniquely investigates the c…
View article: Radiation Effects On Eu-Complex-Doped Pmma and Nanosilver Compounds After Exposure to Γ-Irradiation
Radiation Effects On Eu-Complex-Doped Pmma and Nanosilver Compounds After Exposure to Γ-Irradiation Open
View article: SOLUBLE POLYMER-CURCUMIN ENCAPSULATION TO PROTECT AGAINST GAMMA IRRADIATION AND INCREASE THE WATER SOLUBILITY
SOLUBLE POLYMER-CURCUMIN ENCAPSULATION TO PROTECT AGAINST GAMMA IRRADIATION AND INCREASE THE WATER SOLUBILITY Open
Curcumin is a polyphenol derived from turmeric, a herbaceous plant native from Asia, which has been studying for medicinal properties. Over the years, different civilizations have used those plants to treat or prevent bacterial diseases. T…
View article: Gamma Irradiated Pvp-Pval Clay-Hydrogels: Evaluations of Properties with Different Laponite ® Rd Concentrations
Gamma Irradiated Pvp-Pval Clay-Hydrogels: Evaluations of Properties with Different Laponite ® Rd Concentrations Open
View article: Microplastics in Santos São Vicente Estuarine – Hotspot in Sediments Caused by Low Energy Hydrodynamic Events in Strongly Populated Areas
Microplastics in Santos São Vicente Estuarine – Hotspot in Sediments Caused by Low Energy Hydrodynamic Events in Strongly Populated Areas Open
View article: Novel high melt-strength polypropylene/poly(acrylonitrile-co-butadiene-co-styrene) (HMSPP/SEBS) nanocomposites containing TiO2-Ag nanoparticles with biocidal properties against fungi pathogens and Omicron SARS-CoV-2
Novel high melt-strength polypropylene/poly(acrylonitrile-co-butadiene-co-styrene) (HMSPP/SEBS) nanocomposites containing TiO2-Ag nanoparticles with biocidal properties against fungi pathogens and Omicron SARS-CoV-2 Open
View article: Omicron SARS-CoV-2 antiviral on poly(lactic acid) with nanostructured copper coating: Wear effects
Omicron SARS-CoV-2 antiviral on poly(lactic acid) with nanostructured copper coating: Wear effects Open
View article: Effects of Silver Addition in Zinc Oxide Nanoparticles on Films of HMSPP/SEBS against Staphylococcus aureus and Escherichia coli Contamination
Effects of Silver Addition in Zinc Oxide Nanoparticles on Films of HMSPP/SEBS against Staphylococcus aureus and Escherichia coli Contamination Open
View article: Poly(Vinyl Alcohol) (PVAl) and Poly(N-2-Vinyl-Pyrrolidone) Hydrogels Nanostructured by Laponite Clay for Drug Delivery
Poly(Vinyl Alcohol) (PVAl) and Poly(N-2-Vinyl-Pyrrolidone) Hydrogels Nanostructured by Laponite Clay for Drug Delivery Open
View article: Silver-titanium polymeric nanocomposite non ecotoxic with bactericide activity
Silver-titanium polymeric nanocomposite non ecotoxic with bactericide activity Open
View article: Effect of Ionizing Radiation Applied to PLA Used as Compatibilizing Agent in Reinforced eGG Shell PBAT/PLA Bio-Based Composites
Effect of Ionizing Radiation Applied to PLA Used as Compatibilizing Agent in Reinforced eGG Shell PBAT/PLA Bio-Based Composites Open
Bio-filler from eggshells as reinforcement of bio-based polymers are based on their benefits as adequate strength and stiffness, besides friendly, degradable and renewable environment. Eggshell is an agricultural waste considered as garbag…
View article: Antimicrobial activity and physicochemical performance of a modified endodontic sealer
Antimicrobial activity and physicochemical performance of a modified endodontic sealer Open
Introduction: this study aimed to evaluate the antimicrobial and physicochemical properties of a commercial endodontic sealer modified by the addition of montmorillonite (MMT) nanoparticles loaded with two different drugs: chlorhexidine (C…
View article: IPEN e a nanotecnologia
IPEN e a nanotecnologia Open
Submitted by Pedro Silva Filho ([email protected]) on 2020-10-06T18:41:35Z
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View article: Study of Bio-Based Foams Prepared from PBAT/PLA Reinforced with Bio-Calcium Carbonate and Compatibilized with Gamma Radiation
Study of Bio-Based Foams Prepared from PBAT/PLA Reinforced with Bio-Calcium Carbonate and Compatibilized with Gamma Radiation Open
Foamed polymers are future materials, considered "green materials" due to their properties with very low consumption of raw materials; they can be used to ameliorate appearance of structures besides contributing for thermal and acoustic in…
View article: Biodegradability Evaluation Of Polylactic Acid Composite With Natural Fiber (Sisal)
Biodegradability Evaluation Of Polylactic Acid Composite With Natural Fiber (Sisal) Open
Due to increasing environmental pressure for biodegradable products, especially in polymeric materials, in order to meet the demands of the biological cycles of the circular economy, new materials have been developed as a sustainability st…
View article: DEVELOPMENT OF PARTIALLY BIODEGRADABLE FOAMS FROM PP/HMSPP BLENDS WITH NATURAL AND SYNTHETIC POLYMERS
DEVELOPMENT OF PARTIALLY BIODEGRADABLE FOAMS FROM PP/HMSPP BLENDS WITH NATURAL AND SYNTHETIC POLYMERS Open
Polymers are used in various applications and in different industrial areas providing enormous quantities of wastes in environment.Among diverse components of residues in landfills are polymeric materials, including Polypropylene, which co…
View article: Accelerated environmental degradation of gamma irradiated polypropylene and thermal analysis
Accelerated environmental degradation of gamma irradiated polypropylene and thermal analysis Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2018-04-16T15:51:04Z
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View article: Nanocomposite Polymer Clay to Support the Release of Drug
Nanocomposite Polymer Clay to Support the Release of Drug Open
It is estimated that there are about 300,00 products named biomaterials that are used in the area of Health. Although they are widely used they have yet to be optimized for therapeutic use. Hence, the objective of this work was to develop …
View article: Polymerization shrinkage evaluation in experimental dental composite filled with montmorillonite nanoparticles
Polymerization shrinkage evaluation in experimental dental composite filled with montmorillonite nanoparticles Open
Submitted by Marco Antonio Oliveira da Silva ([email protected]) on 2017-10-17T12:20:09Z
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View article: Fabrication of polypropylene/silver nanocomposites for biocidal applications
Fabrication of polypropylene/silver nanocomposites for biocidal applications Open
View article: Proton and cesium conductivity in perfluorosulfonate ionomers at low and high relative humidity
Proton and cesium conductivity in perfluorosulfonate ionomers at low and high relative humidity Open
View article: EPDM recycling assisted by γ-processing
EPDM recycling assisted by γ-processing Open
View article: Evaluation of flexural modulus, flexural strength and degree of conversion in BISGMA/TEGDMA resin filled with montmorillonite nanoparticles
Evaluation of flexural modulus, flexural strength and degree of conversion in BISGMA/TEGDMA resin filled with montmorillonite nanoparticles Open
This study had as its main objective to evaluate the flexural properties (strength and modulus) and degree of conversion of a dimethacrylate resin containing different amounts of nanoparticulated clay Montomorillonite (MMT) as filler. A se…
View article: Processing and antimicrobial efficacy of polypropylene/montmorillonite/silver nanocomposites as food packaging films
Processing and antimicrobial efficacy of polypropylene/montmorillonite/silver nanocomposites as food packaging films Open
The aim this study was to use nanocomposites of polypropylene (PP), montmorillonite (MMT) and silver nanoparticles (AgNPs), prepared by melt intercalation in a twin-screw extruder, as a food packaging bactericide material. The use of nanoc…
View article: Highly luminescent polycaprolactone films doped with diaquatris(thenoyltrifluoroacetonate)europium(III) complex
Highly luminescent polycaprolactone films doped with diaquatris(thenoyltrifluoroacetonate)europium(III) complex Open
View article: Development of a nanocomposite of polypropylene with biocide action from silver nanoparticles
Development of a nanocomposite of polypropylene with biocide action from silver nanoparticles Open
This article presents the production of films based on blends of polypropylene (PP) and modified PP with the insertion of silver nanoparticles (AgNPs) produced to generate a bactericidal effect. The 50/50 blend of PP and PP modified by irr…