Search Results - "Paula, Haroldo C. B."

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…”
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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…”
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Effect of Acyl Chain Length on Hydrophobized Cashew Gum Self-Assembling Nanoparticles: Colloidal Properties and Amphotericin B Delivery by Richter, Ana R, Veras-Neto, José G, Sousa, Jeanlex S, Mendes, Josilayne F. S, Fontenelle, Raquel O. S, Silva, Stéphanie A. N. M, Marinho-Filho, José D. B, Araújo, Ana J, Feitosa, Judith P. A, Paula, Haroldo C. B, Goycoolea, Francisco M, Paula, Regina C. M. de

“…Given its many potential applications, cashew gum hydrophobic derivatives have gained increasing attraction in recent years. We report here the effect of acyl…”
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Protective effect of cashew gum nanoparticles on natural larvicide from Moringa oleifera seeds by Paula, Haroldo C. B., Rodrigues, Maria L. L., Ribeiro, Wesley L. C., Stadler, Andre S., Paula, Regina C. M., Abreu, Flavia O. M. S.

“…Nanoparticles (NPs) have been used as carriers and as protective coatings of labile substances with applications in pharmacy, medicine, and agriculture. This…”
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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…”
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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…”
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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…”
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Comparative efficacy and toxic effects of carvacryl acetate and carvacrol on sheep gastrointestinal nematodes and mice by Andre, Weibson P.P., Ribeiro, Wesley L.C., Cavalcante, Géssica S., Santos, Jessica M.L.dos, Macedo, Iara T.F., Paula, Haroldo C.B.de, de Freitas, Rivelilson M., de Morais, Selene M., Melo, Janaina V.de, Bevilaqua, Claudia M.L.

“…Scanning electron microscopic image of vulvar flap of Haemonchus contortus adult female after incubation with PBS (A1) and carvacryl acetate (A2). [Display…”
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Synthesis and characterization of non-toxic and thermo-sensitive poly(N-isopropylacrylamide)-grafted cashew gum nanoparticles as a potential epirubicin delivery matrix by Abreu, Clara M.W.S., Paula, Haroldo C.B., Seabra, Vitor, Feitosa, Judith P.A., Sarmento, Bruno, de Paula, Regina C.M.

“…•Cashew gum grafted N-isopropylacrylamide was successfully synthesized.•The graft copolymer demonstrated thermal responsiveness.•The nanoparticles showed no…”
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Eco-friendly synthesis of an alkyl chitosan derivative by Paula, Haroldo C.B., Silva, Rudson B.C., Santos, Clara M., Dantas, Francisco D.S., de Paula, Regina C.M., de Lima, Laís R.M., de Oliveira, Erick F., Figueiredo, Evânia A.T., Dias, Flayanna G.B.

“…Chitosan (CH) was N-alkylated via Schiff base formation and further reduced via sodium borohydride. The reaction was carried out at room temperature, in a…”
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Pickering emulsions stabilized with cashew gum nanoparticles as indomethacin carrier by Lima Cardial, Mayrla R., Paula, Haroldo C.B., da Silva, Rudson Brendon Cordeiro, da Silva Barros, João Felipe, Richter, Ana Rosa, Sombra, Fernanda M., de Paula, Regina C.M.

“…Polysaccharide nanoparticles with potential to stabilize Pickering emulsions have been recently object of many research. Acetylated cashew gum with different…”
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Influence of galactomannan molar mass on particle size galactomannan-grafted-poly-N-isopropylacrylamide copolymers by Gomes, Raelle F., Lima, Lais R.M., Feitosa, Judith P.A., Paula, Haroldo C.B., de Paula, Regina C.M.

“…In order to synthesize nanoparticles of galactomannan-g-poly-N-isopropylacrylamide copolymers, galactomannan from fava d'anta was partially hydrolyzed using…”
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Self-assembling cashew gum-graft-polylactide copolymer nanoparticles as a potential amphotericin B delivery matrix by Richter, Ana Rosa, Carneiro, Maria J., de Sousa, Nayara A., Pinto, Vicente P.T., Freire, Rosimeyre S., de Sousa, Jeanlex S., Mendes, Josilayne F.S., Fontenelle, Raquel O.S., Feitosa, Judith P.A., Paula, Haroldo C.B., Goycoolea, Francisco M., de Paula, Regina C.M.

“…Amphotericin B is an antibiotic used in the treatment of fungal disease and leishmania; however, it exhibits side effects to patients, hindering its wider…”
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Development of amphotericin B-loaded propionate Sterculia striata polysaccharide nanocarrier by Sombra, Fernanda M., Richter, Ana Rosa, de Araújo, Alyne Rodrigues, de Oliveira Silva Ribeiro, Fábio, Souza Mendes, Josilayne de Fátima, dos Santos Fontenelle, Raquel Oliveira, da Silva, Durcilene Alves, Paula, Haroldo C.B., Feitosa, Judith P.A., Goycoolea, Francisco M., de Paula, Regina C.M.

“…[Display omitted] This work was aimed at the production and characterization of a new nanocarrier based on a Sterculia striata polysaccharide (SSP) modified…”
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Poly(ε-caprolactone) grafted cashew gum nanoparticles as an epirubicin delivery system by Ribeiro, Irisvan S., Pontes, Francisco J.G., Carneiro, Maria J.M., Sousa, Nayara A., Pinto, Vicente P.T., Ribeiro, Fábio O.S., Silva, Durcilene A., Araújo, Gisele S., Marinho Filho, José D.B., Araújo, Ana J., Paula, Haroldo C.B., Feitosa, Judith P.A., de Paula, Regina C.M.

“…Polysaccharide based copolymers have been the focus of several research, particularly for the development of drug delivery systems. This study reports on the…”
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Matrix Effect on the Spray Drying Nanoencapsulation of Lippia sidoides Essential Oil in Chitosan-Native Gum Blends by Paula, Haroldo C B, Oliveira, Erick F, Carneiro, Maria J M, de Paula, Regina C M

“…Essential oils have many applications in the pharmaceutical, chemical, and food fields, however, their use is limited to the fact that they are very labile,…”
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Poly(N-isopropylacrylamide)/galactomannan from Delonix regia seed thermal responsive graft copolymer via Schiff base reaction by Lima, Laís Ramos Monteiro, Ramos, Everton Lucas de Lima, Silva, Maria Francilene Souza, Ribeiro, Fábio de Oliveira Silva, Sousa, Jeanlex S., Pessoa, Claudia, Silva, Durcilene Alves, Feitosa, Judith P.A., Paula, Haroldo C.B., de Paula, Regina Célia Monteiro

“…Aminated poly(N-isopropylacrylamide) (PNIPAm-NH2) was grafted onto oxidized galactomannan polysaccharide extracted from Delonix regia (OXGM) via Schiff base…”
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Synthesis and characterization of carboxymethylated red angico (Anadenanthera macrocarpa) exudate polysaccharide by Oliveira, Marilia A., Silva, Durcilene A., Uchoa, Daniel E. A., Maciel, Jeanny S., Feitosa, Judith P. A., Paula, Haroldo C. B., de Paula, Regina C. M.

“…Red angico is a heteropolysaccharide (arabinogalactan) obtained from Anadenanthera macrocarpa trees. Carboxymethylation of angico gum (AG) with…”
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Chitosan/Sterculia striata polysaccharides nanocomplex as a potential chloroquine drug release device by Magalhães Jr, Guilherme A., Moura Neto, Erico, Sombra, Venícios G., Richter, Ana R., Abreu, Clara M.W.S., Feitosa, Judith P.A., Paula, Haroldo C.B., Goycoolea, Francisco M., de Paula, Regina C.M.

“…Nanoparticles are produced by means of polyelectrolyte complexation (PEC) of oppositely charged polycationic chitosan (CH) with polyanionic polysaccharide…”
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Chitosan-based hydrogel for magnetic particle coating by Pereira, Vanessa de A., Ribeiro, Irisvan S., Paula, Haroldo C.B., de Paula, Regina C.M., Sommer, Rubem Luis, Rodriguez, Ruben Jesus Sanchez, Abreu, Flavia O.M.S.

“…Magnetic particles coated with chitosan-based hydrogel were prepared and characterized by infrared spectroscopy, thermal analysis, atomic force microscopy…”
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