9 documents found, page 1 of 1
Development of an electrochemical DNA-based biosensor for the detection of the ...
Morais, Stephanie L.; Magalhães, Júlia M.C. S.; Domingues, Valentina F.; Delerue-Matos, Cristina; Ramos-Jesus, Joilson; Ferreira-Fernandes, HygorCardiovascular diseases are among the major causes of mortality and morbidity. Warfarin is often prescribed for these disorders, an anticoagulant with inter and intra-dosage variability dose required to achieve the target international normalized ratio. Warfarin presents a narrow therapeutic index, and due to its variability, it can often be associated with the risk of hemorrhage, or in other patients, thromboe...
Development of electrochemical genosensors for the CYPC*2 gene polymorphism det...
Sousa, António J. S. F.; Costa, Inês; Banegas, Rodrigo S.; Morais, Stephanie L.; Magalhães, Júlia; Rodrigues, Valentina; Delerue-Matos, CristinaPharmacogenetic studies search for heritable genetic polymorphisms that influence responses to drug therapy. Pharmacogenetics has many possible applications in cardiovascular pharmacotherapy including screening for polymorphisms to choose agents with the greatest potential for efficacy and least risk of toxicity. Pharmacogenetics also informs dose adaptations for specific drugs in patients with aberrant metabol...
VKORC1 gene polymorphism as cardiovascular biomarker: Detection by electrochemi...
Costa, Inês; J. S. F. Sousa, António; Banegas, Rodrigo S.; Morais, Stephanie L.; Magalhães, Júlia; Rodrigues, Valentina; Delerue-Matos, CristinaWarfarin is an anticoagulant generally used to prevent cardiovascular diseases. Since of the low therapeutic index of warfarin and frequent complications of prevention or treatment, significant differences in individual doses of warfarin are needed to achieve prophylactic and therapeutic ranges. Recent studies have been reporting that genetic variants of vitamin K epoxide reductase complex (VKORC1) influence th...
Novel ocellatin peptides mitigate LPS-induced ROS formation and NF-kB activatio...
Sousa, Nayara A.; Oliveira, Guilherme A. L.; de Oliveira, Ana Patrícia; Lopes, André Luís F.; Iles, Bruno; Nogueira, Kerolayne M.; Araújo, Thiago S. L.Cutaneous secretions of amphibians have bioactive compounds, such as peptides, with potential for biotechnological applications. Therefore, this study aimed to determine the primary structure and investigate peptides obtained from the cutaneous secretions of the amphibian, Leptodactylus vastus, as a source of bioactive molecules. The peptides obtained possessed the amino acid sequences, GVVDILKGAAKDLAGH and GVV...
Identification of Eschweilenol C in derivative of Terminalia fagifolia Mart. an...
Araujo, Alyne Rodrigues de; Ramos-Jesus, Joilson; Oliveira, Taiane Maria de; Carvalho, Andressa Maria A. de; Nunes, Paulo Humberto M.A green synthetic route was developed to prepare silver nanoparticles (AgNPs) in aqueous solution for biological applications. Eschweilenol C, a compound derivative ellagic acid was identified as the main constituent of the aqueous fraction of the ethanolic extract of Terminalia fagifolia Mart. by NMR analysis. In the green synthesis, the ethanolic extract of T. fagifolia and its aqueous fraction were used to p...
Copper nanoparticles stabilized with cashew gum: Antimicrobial activity and cyt...
Amorim, Adriany; Mafud, Ana Carolina; Nogueira, Silvania; Ramos-Jesus, Joilson; Araújo, Alyne Rodrigues de; Plácido, Alexandra; Neta, Maria BritoCopper nanoparticles stabilized with cashew (CG-CuNPs) were synthesized by reduction reaction using ascorbic acid and sodium borohydride, using the cashew gum (CG) as a natural polymer stabilizer. Dynamic light scattering, atomic force microscopy, Fourier-transform infrared spectroscopy, UV-Vis spectrophotometry, and x-ray diffraction were used to characterize the nanoparticles (CG-CuNPs), and copper was quanti...
Chitosan-based silver nanoparticles: a study of the antibacterial, antileishman...
Lima, Douglas dos Santos; Gullon, Beatriz; Cardelle-Cobas, Alejandra; Brito, Lucas M.; Rodrigues, Klinger A. F.; Quelemes, Patrick V.Silver nanoparticles have been studied as an alternative for treatment of microbial infections and leishmaniasis, without promoting induction of microbial or parasite resistance. In this study, chitosan-based silver nanoparticles were synthesized from silver nitrate (AgNO3), sodium borohydride as a reducing agent, and the biopolymer chitosan as a capping agent. The chitosan-based silver nanoparticles were chara...
Cry1A(b)16 toxin from Bacillus thuringiensis: Theoretical refinement of three-d...
Plácido, Alexandra; Coelho, Andreia; Abreu Nascimento, Lucas; Gomes Vasconcelos, Andreanne; Barroso, M. Fátima; Ramos-Jesus, Joilson; Costa, VladimirTransgenic maize produced by the insertion of the Cry transgene into its genome became the second most cultivated crop worldwide. Cry gene from Bacillus thuringiensis kurstaki expresses protein derivatives of crystalline endotoxins which confer insect resistance onto the maize crop. Mandatory labeling of processed food containing or made by genetically modified organisms is in force in many countries, so, it is...
Chitosan-based silver nanoparticles: A study of the antibacterial, antileishman...
Lima, Douglas dos Santos; Gullon, Beatriz; Cardelle-Cobas, Alejandra; Brito, Lucas M; Rodrigues, Klinger AF; Quelemes, Patrick V; Ramos-Jesus, JoilsonSilver nanoparticles have been studied as an alternative for treatment of microbial infections and leishmaniasis, without promoting induction of microbial or parasite resistance. In this study, chitosan-based silver nanoparticles were synthesized from silver nitrate (AgNO3), sodium borohydride as a reducing agent, and the biopolymer chitosan as a capping agent. The chitosan-based silver nanoparticles were chara...