A5024682829- Phytochemistry Medicinal Plant Applications
- Bacterial biofilms and quorum sensing
- Antibiotic Resistance in Bacteria
- Antifungal resistance and susceptibility
- Oral microbiology and periodontitis research
- Pneumonia and Respiratory Infections
- Synthesis and biological activity
- Essential Oils and Antimicrobial Activity
- Psidium guajava Extracts and Applications
- Antibiotics Pharmacokinetics and Efficacy
- Escherichia coli research studies
- Agricultural and Food Sciences
- Fungal Infections and Studies
- Multicomponent Synthesis of Heterocycles
- Bacterial Identification and Susceptibility Testing
- Allelopathy and phytotoxic interactions
- Antimicrobial Resistance in Staphylococcus
- Photodynamic Therapy Research Studies
- Vibrio bacteria research studies
- Nanoparticles: synthesis and applications
- Nanocomposite Films for Food Packaging
- Synthesis and Characterization of Heterocyclic Compounds
- Synthesis of heterocyclic compounds
- Streptococcal Infections and Treatments
- Antimicrobial agents and applications
Universidade Estadual de Goiás
2016-2025
Universidade Federal de Goiás
2023
Hospital Universitario Fundación Jiménez Díaz
2008-2010
In this study, we have evaluated the impact of methodological approaches in determination biofilm formation by four clinical isolates Escherichia coli static assays.The assays were performed microtitre plates with two minimal and enriched broths, one- or two-steps protocol, using three different mathematical formulas to quantify adherent bacteria. Different patterns found depending on E. strain, culture medium reading optical density protocol. Strong moderate occurred mostly media. The used...
Abstract Background Crohn's disease (CD) is a high morbidity chronic inflammatory disorder of unknown aetiology. Adherent-invasive Escherichia coli (AIEC) has been recently implicated in the origin and perpetuation CD. Because bacterial biofilms gut mucosa are suspected to play role CD biofilm formation feature certain pathogenic E. strains, we compared capacity 27 AIEC 38 non-AIEC strains isolated from intestinal mucosa. Biofilm was then contrasted with phenotype, serotype, phylotype,...
Investigation of the antimicrobial action carboxymethyl chitosan (CMCh) is among alternative approaches in control pathogenic microorganisms. This study aimed to screen toxicity using brine shrimp lethality assay and investigate inhibitory activity isolation or combination with silver nitrate, copper sulfate zinc on biofilm formation by Staphylococcus aureus ATCC 6538, epidermidis 12228, Kocuria rhizophila 9341, Pseudomonas aeruginosa 9027, Escherichia coli 25312, Burkholderia cepacia 17759....
Eugenia klotzschiana O.Berg is an endemic species of the Cerrado, threatened with extinction and whose therapeutic potential has yet to be fully elucidated. Few studies have described antioxidant, antiparasitic antimicrobial activities essential oils against microorganisms. This pioneering study evaluated activity hexanolic ethanolic extracts its leaves yeasts genus Candida isolated from oral cavity healthy individuals. The extract was chemically characterized by high-performance liquid...
The yeast Candida albicans is a normal constituent of the human microbiota with considerable pathogenicity and ability to form microbial biofilms in various anatomical sites, including oral cavity. Chlorhexidine an antiseptic widely used against Gram-positive Gram-negative bacteria, fungi, yeasts, lipophilic viruses. Silver nanoparticles (AgNPs) have shown potential effects yeasts. In this context, study aimed evaluate activity chlorhexidine gluconate silver ATCC 10231 inoculated on...
A Curcuma longa L. é uma planta da família Zingiberaceae, conhecida popularmente como açafrão, açafrão-da-terra ou gengibre-dourado. Devido ao fato de seus rizomas serem ricos em compostos fitoquímicos, essa possui diversas atividades biológicas descritas, dentre elas a atividade contra ácaros. Os ectoparasitas causam danos e prejuízos na pecuária, comprometendo o bem estar dos animais reduzem produção. Além disso, agricultura os ácaros afetam as lavouras, sugam nutrientes essenciais das...
To study the ability of Corynebacterium urealyticum to produce biofilms and compare in vitro activity antimicrobials against planktonic biofilm-associated organisms. Biofilm formation on polystyrene plates by three C. strains was studied artificial urine under static conditions. The bactericidal activities ciprofloxacin, moxifloxacin, vancomycin erythromycin were organisms, results compared with those obtained Persister organisms each strain exposed antibiotics retested determine MIC same...
<p style="margin-bottom: 0cm; line-height: 150%;" align="JUSTIFY"><span style="line-height: 15px;">A incidência de infecções fúngicas vem aumentando significativamente nos últimos anos e a levedura Candida albicans é responsável </span><span 15px;">pela maioria destas infecções. Esta comensal facilmente encontrada na mucosa bucal, trato gastrointestinal, urogenital 15px;">e pele seres humanos desde o nascimento. Em determinadas circunstâncias, quando ocorre ruptura...
Derivatives of the thiazolidine-2,4-dione core represent a heterocyclic class with several correlated properties.In this context, synthesis structural analogues these bioactive substances becomes attractive in field medicinal chemistry.These act as antimicrobial agents against Gram-positives pathogens.The present work aimed to synthesize 10 different derivatives 5-arylidene-thiazolidine-2,4-dione, employing urea catalyst solvent-free reaction medium, yields that ranged from 45 99%.The...
It is known that the phytochemical identification and assessment of biological effects caused by constituent species Psidium cattleianum , which belongs to family Myrtaceae, are poorly held in literature. The aim current study investigate composition secondary metabolites, toxicity, antimicrobial activity P. leaves. crude ethanolic extract plant was obtained through maceration fractionated with hexane, dichloromethane, ethyl acetate. ethanol fractions were subjected screening tested against...
ABSTRACT The number of studies on plant compounds with insecticidal activity has increased in recent years, and one the primary targets these is leaf-cutter ants, which are considered most important pests Brazilian plantations, especially ants genus Atta. objective this study was to evaluate toxic crude extract fractions leaves Esenbeckia pumila Pohl (Rutaceae) Artemia salina Atta sexdens rubropilosa perform a phytochemical species. toxicity evaluated by determining mean lethal concentration...
AbstractAbstractThe In Vitro susceptibility of seven Escherichia Coli biofilm-producing strains in their planktonic and biofilmassociated forms to amoxicillin, amoxicillin/clavulanic acid, cefotaxime, gentamicin, ciprofloxacin was studied. Minimum inhibitory concentrations (MICs) were determined by the standard microdilution method Alamar blue assay (providing AB-MIC) at two levels metabolic suppression using large inocula. Minimal biofilm (AB-MBICs) on preformed biofilms polystyrene plates...
Cell surface adhesion is considered an essential step in the spread, infection and persistence of Candida yeasts host.Their ability to adhere on biotic abiotic surfaces depends several factors, including hydrophobicity.Once attached, these are capable growing biofilms, which constituted structured communities encapsulated cells within extracellular matrix, resistant antifungal agents.In this context, study aimed analyze cell hydrophobicity specific biofilm formation six strains different...
Psidium myrsinites DC. is species known as "araçá", from the Cerrado (savanna) biome in Brazil.It commonly used a medicinal plant treatment of diarrhea because its astringent properties.The aims this study were to carry out phytochemical screening with an exploratory purpose; investigate toxicity by brine shrimp (Artemia salina) lethality bioassay; and evaluate antimicrobial activity against Gram-positive Gram-negative bacteria determining minimum inhibitory concentration essential oil,...