A5084660638- Insect and Arachnid Ecology and Behavior
- Insect and Pesticide Research
- Plant and animal studies
- Powder Metallurgy Techniques and Materials
- Banana Cultivation and Research
- Advanced materials and composites
- Injection Molding Process and Properties
- Metallic Glasses and Amorphous Alloys
- Pineapple and bromelain studies
- Insect symbiosis and bacterial influences
- Geological and Geophysical Studies
- Postharvest Quality and Shelf Life Management
- Agricultural and Food Sciences
- Geological formations and processes
- Natural product bioactivities and synthesis
- Youth, Drugs, and Violence
- Protein Interaction Studies and Fluorescence Analysis
- Healthcare Regulation
- Maternal and Neonatal Healthcare
- Venomous Animal Envenomation and Studies
- Coconut Research and Applications
- Plant-derived Lignans Synthesis and Bioactivity
- Beetle Biology and Toxicology Studies
- Structural and Chemical Analysis of Organic and Inorganic Compounds
- Traditional and Medicinal Uses of Annonaceae
Universidade Estadual de Santa Cruz
2013-2023
Universidade Federal de Lavras
2016-2023
Universidade Federal de Campina Grande
2023
Universidade Federal Rural de Pernambuco
2022
Universidade Federal de Sergipe
2022
Weatherford College
2022
Sesame Workshop
2022
Universidade Nove de Julho
2022
Universidade Federal de Alfenas
2019-2021
Fundação Oswaldo Cruz
2021
Seaweeds are an excellent source of bioactive compounds, and therefore the use sustainable food compatible extraction methods such as enzyme-assisted (EAE) ultrasound-assisted were applied on Sargassum muticum, Osmundea pinnatifida, Codium tomentosum. Extracts evaluated for proximate characterization biological properties. Higher yields observed C. tomentosum EAE (48–62%; p < 0.05 Cellulase Viscozyme), followed by O. pinnatifida (49–55%; except Alcalase) S. muticum (26–31%; 0.05). extracts...
Symbiotic microorganisms are directly related to the ecological success of host insects, influencing many aspects their biology. The present study is first investigate microbiota associated with ants subfamily Ponerinae and aims identify bacterial midgut communities Dinoponera lucida, Pachycondyla curvinodis, striata, Odontomachus brunneus bauri. After dissecting midguts these ants, DNA was extracted, 16S rRNA gene amplified via PCR using universal primers pair 27F/1492R. obtained products...
The isolation and maintenance of symbiotic basidiomycete fungi living in association with ants the tribe Attini has been hindered by slow growth rate these presence other microorganisms on surface material which maintain inside their nests to provide a substrate for symbiont. In this paper we describe method increases efficiency fungal symbionts over seven fold as compared traditional procedures. Underground attine genera Atta, Acromyrmex, Trachymyrmex Mycetarotes were located, from samples...
The labdane diterpenes copalic acid, 3β-acetoxy-copalic 3β-hydroxy-copalic acid and ent-agathic were isolated from Copaifera langsdorffii oleoresin.These four compounds submitted to structural modifications by reduction with hydrogen/palladium, esterification diazomethane, methanol/sulfuric conversion into sodium salt, furnishing 15 compounds.All assayed in vitro against Mycobacterium tuberculosis (H37Rv, ATCC 27294).The displayed minimum inhibitory concentration (MIC) value of 125 µg mL -1...
Fungi from the widely distributed genus Trichoderma are of great biotechnological interest, being currently used in a vast range applications. Here, we report that high-molecular weight fraction (HWF) derived asperelloides ethanolic extract exhibits antibiotic activity against staphylococcal biofilms. The antibacterial and anti-biofilm properties T. extracts were evaluated by well-established assays Staphylococcus aureus ATCC strains (29213 6538) one clinical isolate bovine mastitis. HWF...
Educational robotics is an example of building innovative and effective educational model in its proposal. The question consists the creation learning environments that bring together assembly materials composed diverse, interactive computer controllable parts through programming. It possible to control functioning assembled prototypes. This interaction creates interest direct involvement by students, can integrate with other knowledge areas, developing activities interdisciplinary context,...
Ni-Fe based soft-magnetic alloys, processed via Metal Injection Molding (MIM), were investigated regarding the influence of processing route on final magnetic properties and compared to fully dense cast materials. The process variations included high low temperature debinding, different sintering routes application hot isostatic pressing (HIP). densities resulting from related maximum permeability. Results have shown that density, in range between 7,5g/cm³ 8,0g/cm³, does not significant...
Abstract Critically ill 2019 coronavirus disease patients (COVID-19) under invasive mechanical ventilation (IMV) are 10- to 40-times more likely die than the general population. Although progression from mild severe COVID-19 has been associated with hypoxia, uncontrolled inflammation and coagulopathy, mechanisms involved in severity poorly understood. By analyzing virome tracheal aspirates (TA) of 25 IMV, we found higher levels differential expression human endogenous retrovirus K (HERV-K)...
The severity of the bladder carcinoma (BC) is directly linked to cell invasion and metastasis. Indoleamine 2,3-dioxygenase-1 (IDO-1) an INF-γ-induced immunomodulating enzyme that has been cancer invasiveness. Because IDO1 variable among tumors, we analyzed its expression in BC using mice models culture. MB49 cells were orthotopically or ectopically inoculated C57Bl6 evaluate by immunohistochemistry. For vitro experiments, INF-γ was evaluated grade-1 (RT4) grade-3 (T24) lines. Invading...
There is some evidence in the literature of photocyclization reaction Tagitinin C (1) to F (2). Compound 2 has high pharmacological potential, but it not easy obtain, while compound 1 easily obtained from a widespread plant, Tithonia diversifolia. Among different conditions monitored, one was found that allowed cyclization into <15 min photo-dependent reaction. Scaling-up pure demonstrated 100% yield, and isolation UV-irradiated extract eight-fold higher than quantity isolated...
In order to obtain specific magnetic properties, it is of paramount importance increase the alloy density components fabricated by powder metallurgy. An alternative alloys such as Fe-49Co-2V would be use elemental Fe and Co instead prealloyed powder. Trying give some insight on industrial application this strategy, paper investigates replacement more conventional pre-alloyed powders with Co. A previous analysis shows that possible achieve higher densities using sintered at same temperature...
Ectatomma tuberculatum has one of the most toxic venoms known among ants but there is no detailed study on its characteristics. In light this, knowing venom’s chemical composition paramount importance in order to obtain information about mechanisms components. Several bioactive molecules have already been identified Hymenoptera venoms, i.e., proteins such as phospholipases, hyaluronidases, and proteinases, well peptides. Protein databases show that protein components ant recently growing...
Abstract: 1,4-dihydropyridine is a versatile class of compounds with multiple biological activities, thus holding significant pharmacological potential. Recent studies have provided evidence concerning the anticancer, antimicrobial, and anti-inflammatory properties 1,4-dihydropyridines, as well their potential in Alzheimer’s disease treatment. Therefore, this promising candidate drug development discovery. The major derivatives can be synthesized through onepot synthesis many different ways,...