Artigos - Bioquímica e Microbiologia - IBRC
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Guava Seed Oil: Potential Waste for the Rhamnolipids Production
(Fermentation, 2022) [Artigo]Guava is consumed in natura and is also of considerable importance to the food industry. The seeds and peel of this fruit are discarded, however, guava seeds yield oil (~13%) that can be used for the bioproducts synthesis. ... -
Bacterial ectosymbionts in cuticular organs chemically protect a beetle during molting stages
(ISME Journal, 2022) [Artigo]In invertebrates, the cuticle is the first and major protective barrier against predators and pathogen infections. While immune responses and behavioral defenses are also known to be important for insect protection, the ... -
Risks associated with the presence of SARS-CoV-2 in sewage and possible approaches to limit its spread through aquatic matrices
(Vigilancia Sanitaria Em Debate-sociedade Ciencia & Tecnologia, 2022) [Resenha]Introduction: SARS-CoV-2 is a new type of coronavirus capable of infecting humans and cause the Coronavirus Disease (COVID-19), an illness that has causing enormous impacts in Brazil and worldwide. The disease, due to its ... -
Processos convencionais e promissores de inativação ou remoção do SARS-COV-2 de esgotos: revisão de princípios e mecanismos de ação
(Revista Eletrônica de Gestão e Tecnologias Ambientais, v. 10, n.1, p. 107-125, 2022, 2022) [Artigo]O SARS-CoV-2 é um novo tipo de coronavírus capaz de infectar humanos e causar a síndrome respiratória aguda grave COVID-19, uma doença que, devido ao seu alto índice de disseminação e fatalidade, tem causado enormes impactos ... -
Riscos associados à presença do SARS-CoV-2 em esgotos e possíveis abordagens para limitar sua propagação através de matrizes aquáticas
(Vigilância sanitária em debate, v. 10, n.2, p. 77-92, 2022, 2022) [Artigo]Introdução: O SARS-CoV-2 é um novo tipo de coronavírus capaz de infectar humanos e causar a Coronavirus Disease (COVID-19), enfermidade que tem causado enormes impactos no Brasil e no mundo. A doença, devido às suas altas ... -
Agave syrup as a substrate for inulinase production by Kluyveromyces marxianus NRRL Y-7571
(Acta Scientiarum - Biological Sciences, 2016) [Artigo]The factorial planning was used to plan and optimize inulinase production by the yeast Kluyveromyces marxianus NRRL Y-7571. The experiments were conducted using a Central Composite Design (CCD) 22, at different concentrations ... -
Polyhydroxyalkanoates: Naturally occurring microbial polymers suitable for nanotechnology applications
(Handbook of Greener Synthesis of Nanomaterials and Compounds: Volume 2: Synthesis at the Macroscale and Nanoscale, 2021) [Capítulo de livro]Polyhydroxyalkanoates (PHAs) are intracellular microbial polyesters synthesized by many species of Bacteria and Archaea, generally under nutrient limitation and excess of carbon source as storage granules of energy and ... -
FUNDAMENTAL CONCEPTS AND RECENT APPLICATIONS OF FACTORIAL STATISTICAL DESIGNS
(Revista Brasileira de Biometria, 2022) [Artigo]Factorial designs have been increasingly used in scientific investigations and technological development. The designs, through the use of matrices with all the treatment combinations, have been capable to effectively ... -
Antibacterial action and target mechanisms of zinc oxide nanoparticles against bacterial pathogens
(Scientific Reports, 2022) [Artigo]Zinc oxide nanoparticles (ZnO NPs) are one of the most widely used nanoparticulate materials due to their antimicrobial properties, but their main mechanism of action (MOA) has not been fully elucidated. This study ... -
Enzymatic Production of Xylooligosaccharides from Xylan Solubilized from Food and Agroindustrial Waste
(Bioenergy Research, 2022) [Artigo]A large volume of biomass residue is disposed daily, and the use of chemical and enzymatic treatments is an alternative to reuse it generating value-added products such as xylooligosaccharides (XOS). Banana peel, guava ... -
Rhamnolipids and essential oils in the control of mosquito-borne tropical diseases
(Applied Microbiology and Biotechnology, 2021) [Artigo]The diseases transmitted by mosquito vectors are a great public health issue. Thus, effective vector control becomes the main strategy to reduce their prevalence. However, insecticide resistance has become a huge concern ... -
Production of l (+) lactic acid by lactobacillus casei ke11: Fed batch fermentation strategies
(Fermentation, 2021) [Artigo]Lactic acid and its derivatives are widely used in pharmaceutical, leather, textile and food industries. However, until now there have been few systematic reports on fed-batch fermentation for efficient production and high ... -
Laccases produced by Peniophora from marine and terrestrial origin: A comparative study
(Biocatalysis and Agricultural Biotechnology, 2021) [Artigo]Although fungal laccases have been widely applied in environmental and industrial processes, little is known about laccases produced by marine fungi. In this study, the laccases from basidiomycetes of marine (Peniophora ... -
Polyhydroxyalkanoates: A short tale from polymer synthesis to future prospects
(Polyhydroxyalkanoates: Biosynthesis, Chemical Structures and Applications, 2018) [Capítulo de livro]Polyhydroxyalkanoates (PHAs) are bacterial polyesters belonging to the most important group of bio-based and biodegradable polymers. A large number of bacteria possesses the ability to synthesize PHAs as carbon energy ... -
Factors affecting rhamnolipids production by Pseudomonas Aeruginosa LBI
(Research Journal of Biotechnology, 2008) [Artigo]This paper presents the results from study investigating the capacity of Pseudomonas aeruginosa LBI growing on several carbon (Hydrophilic substrate) and nitrogen sources. The carbon source (2%) studied were: glycerol, ... -
Yeasts and others parameters of pollution of the Ribeirão Claro stream in Rio Claro, São Paulo
(Revista de Microbiologia, 1996) [Artigo]The main water source of the Rio Claro municipal district (DAAE) was analysed for determining the level of organic contamination. Temperature, pH, light penetration, conductivity, dissolved oxygen, total dissolved phosphate, ... -
Production of β-galactosidase by Trichoderma reesei FTKO-39 in wheat bran: Partial purification of two isozymes
(Applied Biochemistry and Biotechnology, 2006) [Artigo]Trichoderma reesei FTKO-39 grown at 35°C for 5 d on wheat bran supplemented with MgCl2 and lactose as the carbon source produced two isozymes of β-galactosidase: BGT I and BGT II. These isozymes were partially purified on ... -
The formation of anodic sulfide films on tin electrodes
(Corrosion Science, 1990) [Artigo]The electrodeposition of tin sulfide on polycrystaline tin from alkaline solution has been investigated using cyclic voltammetry. The first anodic peak in the cyclic voltammogram is associated with the deposition of a Sn ... -
TEOR DE GLICIDIOS TOTAIS E TREALOSE EM ALGUMAS ESPECIES DO GENERO CANDIDA
(Revista de Microbiologia, 1979) [Artigo] -
Antibacterial Activity of Isobavachalcone (IBC) Is Associated with Membrane Disruption
(Membranes, 2022) [Artigo]Isobavachalcone (IBC) is a natural prenylated chalcone with a broad spectrum of pharmacological properties. In this work, we newly synthesized and investigated the antibacterial activity of IBC against Gram-positive, ...