Search Results - "Paula, Regina C.M. de"

Structural characterization of polysaccharide obtained from red seaweed Gracilaria caudata (J Agardh) by Barros, Francisco C.N., da Silva, Draulio C., Sombra, Venicios G., Maciel, Jeanny S., Feitosa, Judith P.A., Freitas, Ana L.P., de Paula, Regina C.M.

“…► Polysaccharide from marine alga Gracilaria caudata (PGC) was recovery with 32.8% of yield. ► Characterization was performed by microanalysis, FT-IR and NMR…”
Get full text

Chitosan/cashew gum nanogels for essential oil encapsulation by Abreu, Flávia O.M.S., Oliveira, Erick F., Paula, Haroldo C.B., de Paula, Regina C.M.

“…[Display omitted] ► Lippia sidoides essential oil was successfully encapsulated in a cashew gum/chitosan polymeric matrix. ► Nanoparticle sizes ranged from…”
Get full text

Sulfated polysaccharide fraction from marine algae Solieria filiformis: Structural characterization, gastroprotective and antioxidant effects by Sousa, Willer M., Silva, Renan O., Bezerra, Francisco F., Bingana, Rudy D., Barros, Francisco Clark N., Costa, Luís E.C., Sombra, Venicios G., Soares, Pedro M.G., Feitosa, Judith P.A., de Paula, Regina C.M., Souza, Marcellus H.L.P., Barbosa, André Luiz R., Freitas, Ana Lúcia P.

“…•Sulfated polysaccharide (SFP) possess a high sulfate content.•The main constituent of the SFP is iota-carrageenan.•SFP reduced the oxidative stress and the…”
Get full text

Sulfated chitosan as tear substitute with no antimicrobial activity by Pires, Natália R., Cunha, Pablyana L.R., Maciel, Jeanny S., Angelim, Alysson L., Melo, Vania M.M., de Paula, Regina C.M., Feitosa, Judith P.A.

“…► Chitosan, an important material in ophthalmological research, was sulfated (CS). ► The sulfation leads to a viscous material, water soluble in neutral…”
Get full text

Sulfated polysaccharide from the marine algae Hypnea musciformis inhibits TNBS-induced intestinal damage in rats by V. Brito, Tarcisio, Barros, Francisco C.N., Silva, Renan O., Dias Júnior, Genilson J., C. Júnior, José Simião, Franco, Álvaro X., Soares, Pedro M.G., Chaves, Luciano S., Abreu, Clara M.W.S., de Paula, Regina C.M., Souza, Marcellus H.L.P., Freitas, Ana Lúcia P., R. Barbosa, André Luiz

“…•Polysaccharides (PLS) significantly reduced the inflammatory response during colitis induced by TNBS.•PLS reduced the neutrophil migration and decreased the…”
Get full text

Polysaccharide isolated from Agardhiella ramosissima: Chemical structure and anti-inflammation activity by Batista, Jalles A., Dias, Eulina G.N., Brito, Tarcisio V., Prudêncio, Rafael S., Silva, Renan O., Ribeiro, Ronaldo A., Souza, Marcellus Henrique L.P., de Paula, Regina C.M., Feitosa, Judith P.A., Chaves, Luciano S., Melo, Márcia R.S., Freitas, Ana L.P., Medeiros, Jand-Venes R., Barbosa, André L.R.

“…•The main constituent of sulfated polysaccharide fraction (PLS) was the ι carrageenan.•The monosaccharide composition of the sulfated polysaccharide fraction…”
Get full text

Polysaccharide isolated from Passiflora edulis: Characterization and antitumor properties by Silva, Draulio C., Freitas, Ana Lucia P., Barros, Francisco Clark N., Lins, Kézia O.A.L., Alves, Ana Paula N.N., Alencar, Nylane M.N., de Figueiredo, Ingrid S.T., Pessoa, Cláudia, de Moraes, Manoel O., Costa-Lotufo, Letícia V., Feitosa, Judith P.A., Maciel, Jeanny S., de Paula, Regina C.M.

“…► Polysaccharide fraction from P. edulcis flour (PFCM) was extracted with hot water. ► PFCM has homogalacturonan (HG) and rhamnogalacturonan-1 (RG-1)…”
Get full text

Carboxymethylation of cashew tree exudate polysaccharide by Silva, Durcilene A., de Paula, Regina C.M., Feitosa, Judith P.A., de Brito, Ana C.F., Maciel, Jeanny S., Paula, Haroldo C.B.

“…Cashew tree gum was carboxymethylated in aqueous alkaline medium using monochloroacetic acid (MCA) as etherifying agent. The effects of reaction parameters…”
Get full text

Chitosan-coated pectin beads: Characterization and in vitro release of mangiferin by de Souza, José Roberto R., de Carvalho, José Ivan X., Trevisan, Maria Teresa S., de Paula, Regina C.M., Ricardo, Nágila M.P.S., Feitosa, Judith P.A.

“…Microspheres of low degree of esterification (DE) pectin with calcium and the same sphere coated with chitosan (PCaC) were prepared. The spheres have diameters…”
Get full text

Characterization of crosslinked cashew gum derivatives by Silva, Durcilene A., Feitosa, Judith P.A., Maciel, Jeanny S., Paula, Haroldo C.B., de Paula, Regina C.M.

“…Crosslinked materials from cashew gum (CG) and carboxymethylated CG (CMCG) were synthesized using epichlorohydrin (E) as the crosslinking agent. The products…”
Get full text

Microspheres of chitosan/carboxymethyl cashew gum (CH/CMCG): Effect of chitosan molar mass and CMCG degree of substitution on the swelling and BSA release by Magalhães, Guilherme A., Santos, Clara M.W., Silva, Durcilene A., Maciel, Jeanny S., Feitosa, Judith P.A., Paula, Haroldo C.B., de Paula, Regina C.M.

“…Chitosan/carboxymethyl cashew gum microspheres (CH/CMCG) were prepared with carboxymethyl cashew gum with two different degrees of substitution (DS) and loaded…”
Get full text

Swelling and release kinetics of larvicide-containing chitosan/cashew gum beads by Paula, Haroldo C. B., de Paula, Regina C. M., Bezerra, Sterlane K. F.

“…A new pesticide formulation (bead) based on chitosan (CH) and cashew gum (CG) containing dichlorvos [2,2‐dichlorovinyldimethyl phosphate (DDVP)] was prepared…”
Get full text

Swelling studies of chitosan/cashew nut gum physical gels by Paula, Haroldo C.B, Gomes, Francisco J.S, de Paula, Regina C.M

“…Gels from chitosan/cashew nut gum (CH/CNG) were prepared with different chitosan to cashew nut gum ratio and their swelling behaviour was investigated as a…”
Get full text

Alginate/cashew gum nanoparticles for essential oil encapsulation by de Oliveira, Erick F., Paula, Haroldo C.B., Paula, Regina C.M. de

“…Essential oil containing ALG/CG nanoparticles. •Alginate/cashew gum nanoparticles were used for encapsulation of an essential oil•Particles have sizes in the…”
Get full text

A new heterofunctional support for enzyme immobilization: PEI functionalized Fe3O4 MNPs activated with divinyl sulfone. Application in the immobilization of lipase from Thermomyces lanuginosus by Bezerra, Rayanne M., Monteiro, Rodolpho R.C., Neto, Davino M. Andrade, da Silva, Francisco F.M., de Paula, Regina C.M., de Lemos, Telma L.G., Fechine, Pierre B.A., Correa, Marcio A., Bohn, Felipe, Gonçalves, Luciana R.B., dos Santos, José C.S.

“…[Display omitted] •Novel heterofunctional SPMN@PEI-DVS supports were prepared.•TLL was immobilized onto SPMN@PEI-DVS by multipoint covalent attachment.•The…”
Get full text

Novel and Fast Microwave-Assisted Synthesis of Carbon Quantum Dots from Raw Cashew Gum by Pires, Natalia R., Santos, Clara M. W., Sousa, Rayane R., Paula, Regina C. M. de, Cunha, Pablyana L. R., Feitosa, Judith P. A.

“…Carbon quantum dots (C-dots) with average size of 9 nm were synthesized from an aqueous solution of raw cashew gum (RCG) using a novel and fast…”
Get full text

A novel antioxidant sulfated polysaccharide from the algae Gracilaria caudata: In vitro and in vivo activities by Alencar, Poliana O. Cavalcante, Lima, Glauber C., Barros, Francisco Clark N., Costa, Luís E.C., Ribeiro, Carla Vivianne P.E., Sousa, Willer M., Sombra, Venícios G., Abreu, Clara Myrla W.S., Abreu, Ewerton S., Pontes, Edivânia O.B., Oliveira, Ariclécio C., de Paula, Regina C.M., Freitas, Ana Lúcia P.

“…Marine red macroalgae are natural sources of sulfated polysaccharides, water-binding molecules used in the food industry as thickeners, stabilizers and gelling…”
Get full text

Microwave-initiated rapid synthesis of phthalated cashew gum for drug delivery systems by Oliveira, Antônia Carla de Jesus, Chaves, Luíse Lopes, Ribeiro, Fábio de Oliveira Silva, de Lima, Laís Ramos Monteiro, Oliveira, Thaisa Cardoso, García-Villén, Fátima, Viseras, César, de Paula, Regina C.M., Rolim-Neto, Pedro José, Hallwass, Fernando, Silva-Filho, Edson C., Alves da Silva, Durcilene, Soares-Sobrinho, José Lamartine, Soares, Mônica Felts de La Roca

“…[Display omitted] •Phthalated cashew gum was synthesized by the microwave-initiated method.•1H NMR spectroscopy was used to assess the degree of substitution…”
Get full text

Self-assembled nanoparticles of acetylated cashew gum: Characterization and evaluation as potential drug carrier by Pitombeira, Nadia A.O., Veras Neto, José Guilherme, Silva, Durcilene A., Feitosa, Judith P.A., Paula, Haroldo C.B., de Paula, Regina C.M.

“…•Acetylated cashew gum was successfully synthesized.•Self-assembled nanoparticles were produced by the dialysis method.•Spherical nanoparticle with unimodal…”
Get full text

Hydrophobization of cashew gum by acetylation mechanism and amphotericin B encapsulation by Lima, Mayrla R., Paula, Haroldo C.B., Abreu, Flávia O.M.S., da Silva, Rudson B.C., Sombra, Fernanda M., de Paula, Regina C.M.

“…Cashew gum (GC) is a polysaccharide whose structural modification has the potential to extend its applications on varied fields such as to the formation of…”
Get full text