Extract Solution
Mostrando 1-12 de 331 artigos, teses e dissertações.
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1. Biogenic synthesis of silver nanoparticles from thyme extract for functionalization of a bioactive glass produced from rice husk ash
Abstract The rice husk, agro-industrial residue, stands out for having silica, the main oxide former of the bioactive glass. To avoid contamination in this biomaterial, substances with bactericidal properties, like silver can be incorporated. Thus, the objective of this work is the synthesis of silver nanoparticles to functionalize a bioactive glass synthesi
Cerâmica. Publicado em: 2022
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2. Evaluation of Caripill™ as a component of platelet storage solution
ABSTRACT Background Carica papaya Linn. has high nutraceutical and pharmacological values. The leaves possess antimicrobial, anti-tumor and antioxidant properties. They are used to treat thrombocytopenia during dengue fever and the leaf extract is commercially available as tablets under the name Caripill™ (MicroLabs, Bengaluru). Nevertheless, platelet tra
Hematol., Transfus. Cell Ther.. Publicado em: 2021-06
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3. Aqueous Extract of Cumaru (Dipteryx odorata) Seeds as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution
The corrosion inhibition of mild steel by aqueous extract of cumaru (Dipteryx odorata) seeds and its high molecular weight fraction (HMWF) was investigated in 1 mol L-1 HCl solution. The study was carried out through gravimetric essays, open circuit potential measurements, anodic and cathodic polarization curves and electrochemical impedance analyses, as wel
J. Braz. Chem. Soc.. Publicado em: 2021-02
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4. Cocoa Agro-Industrial Residue (Theobroma cacao) as Inducer of the Production of Fungal Laccase and Kojic Acid for Application in the Biodegradation of 17-α-Ethinylestradiol
Due to the ability to catalyze the oxidation of several substrates, the enzyme laccase has been used in several applications, among them the bioremediation of emerging pollutants. This work evaluate the capacity of the cocoa agro-industrial residue to induce the production of Pycnoporus sanguineus laccase and to apply the enzymatic extract in the biodegradat
J. Braz. Chem. Soc.. Publicado em: 2020-10
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5. Separation of gadolinium and europium from chloride media by the solvent extraction technique
Abstract Obtaining rare earth elements (REE) is a complicated task, due mainly to the difficulty of separating and purifying them. Solvent extraction is the most widely used technique for separating REE, and the most common extractants used are organophosphorus acids. The low selectivity of this technique leads to the need for a high number of extraction cel
REM, Int. Eng. J.. Publicado em: 2020-03
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6. Extratos de Lilium sp., Agapanthus sp. e Hydrangea sp.: comportamento como indicadores naturais em diferentes faixas de pH
This experimental activity proposes the use of lily (Lilium sp.), agapanthus (Agapanthus sp.) and hydrangea (Hydrangea sp.) extracts to investigate the colorimetric profile of each extract between pH 1-14. Water, ethanol and ethanol/HCl 1% (w/w) were used as extractive solvents. Among the flowers tested, the extracts of orange lily and burnt yellow lily were
Quím. Nova. Publicado em: 2020-02
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7. Solution Inhibitory of Ant Nest (Myrmecodia Pendans) Extract on the Formation of Plaque in Children with Early Childhood Caries
Abstract Objective: To evaluate the effectiveness of gargling the solution of ant nest extract against plaque formation in children who experience Early Childhood Caries (ECC) when used as a mouthwash. Material and Methods: This study uses a pretest-posttest design with a control group. Thirty children with ECC, which were divided into three groups, namely
Pesqui. Bras. Odontopediatria Clín. Integr.. Publicado em: 13/01/2020
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8. EFFECT OF ECOFRIENDLY BIO-BASED SOLVENTS ON OIL EXTRACTION FROM GREEN COFFEE BEAN AND ITS INDUSTRIAL PRESS CAKE
Abstract Oil recovery, retention index, and thermodynamic parameters of green coffee beans (GCB) and its press cake (PC) extraction using bio-based solvents were investigated. The extraction parameters investigated were temperature (35 to 55 °C), type of material (coffee beans and press cake), and type of solvent (ethanol, acetone, and ethyl acetate), at a
Braz. J. Chem. Eng.. Publicado em: 13/01/2020
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9. Encapsulation of flaxseed oil extract in alginate-salep system by ionic gelation
The objective of the current study was to encapsulate flaxseed oil extracted from finely grounded flaxseed powder and determined for its fatty acids content by GC/FID. Ionotropic gelation method was used to form beads containing 40% flaxseed oil with vitamin E being used as an antioxidant agent. The study employed calcium chloride solution as crosslinking ag
Braz. J. Pharm. Sci.. Publicado em: 20/12/2019
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10. Evaluation of Aqueous Coffee Husks Extracts as a Corrosion Inhibitor of 1020 Carbon Steel in 1 mol L-1 HCl Solution
Corrosive processes in acidic medium reduce the performance and durability of metallic materials, causing problems to several industries. Corrosion inhibitors are commonly used to decrease these effects. As these inhibitors must be ecologically friendly currently, this work evaluated the anticorrosive effect of natural extracts of coffee husks (Coffea arabic
Mat. Res.. Publicado em: 09/12/2019
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11. Characterization and Cytotoxic Evaluation of Silver and Gold Nanoparticles Produced with Aqueous Extract of Lavandula dentata L. in Relation to K-562 Cell Line
Abstract Metallic nanoparticles have great potential as a chemotherapeutic agent. The aim of this study was to develop and characterize silver and gold nanoparticles using a simple method, as well as evaluating the potential cytotoxic activity in relation to the K-562 cell line. For the synthesis, a solution containing the metallic ions was subjected to mag
Braz. arch. biol. technol.. Publicado em: 25/11/2019
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12. Production of Passion fruit in a semi-hydroponic system under protected cultivation
Resumo O objetivo da pesquisa foi avaliar a produção de cultivares de maracujazeiro (Passiflora edulis Sims) em diferentes soluções nutritivas, usando substrato comercial Bioplant® em sistema slabs no cultivo protegido. Foi utilizado o delineamento em blocos casualizados, em esquema fatorial, com 2 cultivares de maracujá (Araguari e Yellow Master) x 4
Rev. Bras. Frutic.. Publicado em: 14/11/2019