Departamento de Química e Bioquímica
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Recent Submissions
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Seasonal variation of flavonoid content in bee bread: Potential impact on hypopharyngeal gland development in Apis mellifera honey bees
(Journal of Apicultural Research, 2020) [Artigo]Bee bread is the main source of proteins necessary for the development of hypopharyngeal glands in nurse bees. However, the seasonal chemical composition and its effects on honey bee physiology are poorly understood. Thus, ... -
Physiological and biochemical impacts of silicon against water deficit in sugarcane
(Acta Physiologiae Plantarum, 2019) [Artigo]Silicon (Si) has been reported to minimize the impacts of water deficit, even though it is not considered an essential plant element. Sugarcane is highly impacted by water deficit and has a particular and complex mechanism ... -
Biophysical and pharmacological characterization of a full-length synthetic analog of the antitumor polypeptide crotamine
(Journal of Molecular Medicine, 2020) [Artigo]Abstract: Crotamine is a polypeptide isolated from the venom of a South American rattlesnake. Among the properties and biological activities of crotamine, the most extraordinary is its ability to enter cells with unique ... -
Beyond hemostasis: A potassium channel blocker snake venom serine protease with potential antitumor activity
(Toxicon : official journal of the International Society on Toxinology, 2020) [Artigo] -
Redesigning N-glycosylation sites in a GH3 β-xylosidase improves the enzymatic efficiency
(Biotechnology for Biofuels, 2019) [Artigo]Background: β-Xylosidases are glycoside hydrolases (GHs) that cleave xylooligosaccharides and/or xylobiose into shorter oligosaccharides and xylose. Aspergillus nidulans is an established genetic model and good source of ... -
Immobilization of Paclitaxel on Hydroxyapatite for Breast Cancer Investigations
(Langmuir, 2020) [Artigo]A simple method for immobilization of the chemotherapy drug paclitaxel (PTX) on hydroxyapatite nanoparticles (n-HAP) using the biopolymer chitosan as a trapping agent is described focusing on applications involving breast ... -
Impact of Modality and Intensity of Early Exercise Training on Ventricular Remodeling after Myocardial Infarction
(Oxidative Medicine and Cellular Longevity, 2020) [Artigo]The objective of this study was to analyze the impact of different modalities and intensities of exercise training on cardiac remodeling started early after experimental myocardial infarction (MI). Male Wistar rats, weighing ... -
Characterization of a paracoccidioides spp. Strain from Southeastern Brazil genotyped as paracoccidioides restrepiensis (ps3) and review of this phylogenetic species
(Genetics and Molecular Biology, 2020) [Artigo]Phylogenetic species of Paracoccidioides brasiliensis complex (S1a and S1b, PS2, PS3, and PS4) and Para-coccidioides lutzii are agents of paracoccidioidomycosis, an endemic fungal disease in Latin America. P. restrepiensis ... -
Physiological behavior of arabic coffee seedlings (Cv. obatá and catucaí) submitted to water deficit
(IRRIGA, 2019) [Artigo]In this work, biometric characteristics and pigment content were assessed in Arabica cv. Obatã and Catuaí cultivated under water deficit (WD). The experiment was conducted in an agricultural greenhouse from December to ... -
The role of apoptosis associated speck-like protein containing a caspase-1 recruitment domain (ASC) in response to bone substitutes
(Materials Science and Engineering C, 2020) [Artigo]The apoptosis-associated Speck-like protein containing a caspase-1 recruitment domain (ASC), present in inflammasomes, regulates inflammation events and is involved in osteogenic phenotype. Nevertheless, its function in ... -
A novel BSA immobilizing manner on modified titanium surface ameliorates osteoblast performance
(Colloids and Surfaces B: Biointerfaces, 2020) [Artigo]Surface modification of medical and dental devices, to improve their biocorrosion resistance and biocompatibility, can be achieved with the multidisciplinary field of biomaterials. Nanostructured titanium dioxide (TiO2) ... -
Antioxidant capacity and phytochemical characterization of Spathodea campanulata growing in different climatic zones in Brazil
(Biocatalysis and Agricultural Biotechnology, 2020) [Artigo]The aim of present study was evaluating the antioxidant activity and real content of phytochemicals of Spathodea campanulata from different climatic regions (two subtropical and one tropical area/cities) at Brazil. Samples ... -
Impacts on growth, water relations and nutritional composition of basil plants submitted to irrigation with saline and wastewater
(Sn Applied Sciences, 2020) [Artigo]The effect of the application of reclaimed water and saline water on physiological parameters in Ocimum basilicum L. plants were studied to evaluate their adaptability to irrigation with saline water, as well as to evaluate ... -
Biochemical characterization of irradiated soybean and nutritional and sensory evaluation of water-soluble soybean extract
(Sn Applied Sciences, 2019) [Artigo]The techniques used for the preservation and processing of foods can interfere with their nutritional and organoleptic quality. The objective of this study was to evaluate the antioxidants of irradiated soybean cultivars ... -
Delaying the harvest induces bioactive compounds and maintains the quality of sweet potatoes
(Journal Of Food Biochemistry, 2020) [Artigo]We have identified the best harvesting periods, related to higher bioactive compound content and post-harvest quality, for minimally processed sweet potatoes with orange pulp and cream pulp. Quality loss in minimally ... -
Enzyme Immobilization on Maghemite Nanoparticles with Improved Catalytic Activity: An Electrochemical Study for Xanthine
(Materials, 2020) [Artigo]Generally, enzyme immobilization on nanoparticles leads to nano-conjugates presenting partially preserved, or even absent, biological properties. Notwithstanding, recent research demonstrated that the coupling to nanomaterials ... -
A Study of the Effects of pH and Surfactant Addition on Gold Nanoparticle Aggregation
(Journal Of Nanoscience And Nanotechnology, 2020) [Artigo]Gold nanoparticles (AuNPs) can provide a simple, easy-to-use, inexpensive, at hand point-of-care (POC) fast to diagnose; however, AuNPs have the predisposition to form aggregations. Since the nanoparticles stability is an ... -
Biogenic Amines and the Antioxidant Capacity of Juice and Wine from Brazilian Hybrid Grapevines
(Plant Foods For Human Nutrition, 2020) [Artigo]Some biogenic amines (BAs) are used as quality markers in grape-derived products. The prolife of 9 BAs was determined in juices and wines elaborated from hybrid grapes. Low levels of histamine, tyramine and cadaverine were ... -
Biochemical parameters and physiological changes in maize plants submitted to water deficiency
(Sn Applied Sciences, 2020) [Artigo]This study presents the main changes that occur in the metabolism of corn plants submitted to water deficiency, which can directly affect the development and production of the pla nts.The aim of this study was to evaluate ... -
Use of seaweed-based biostimulant (Ascophyllum nodosum) on ornamental sunflower seed germination and seedling growth
(Ornamental Horticulture-revista Brasileira De Horticultura Ornamental, 2019) [Artigo]Seaweed extracts are employed as biostimulants due to their beneficial effects on crop growth and yield. Ascophyllum nodosum seaweed extract aid to improve seedling growth and development, and decrease seedlings production ...