A5044966081- Pharmaceutical and Antibiotic Environmental Impacts
- Wastewater Treatment and Reuse
- Advanced oxidation water treatment
- Wastewater Treatment and Nitrogen Removal
- Enzyme-mediated dye degradation
- Membrane Separation Technologies
- Environmental Toxicology and Ecotoxicology
- Constructed Wetlands for Wastewater Treatment
- Plant-Microbe Interactions and Immunity
- Lignin and Wood Chemistry
- TiO2 Photocatalysis and Solar Cells
- Plant Disease Management Techniques
- Microplastics and Plastic Pollution
- Chromium effects and bioremediation
- Water Quality Monitoring and Analysis
- Plant Pathogenic Bacteria Studies
- Aquaculture Nutrition and Growth
- Reproductive biology and impacts on aquatic species
- Agricultural and Food Sciences
- Legume Nitrogen Fixing Symbiosis
- Water Quality and Pollution Assessment
- Plant Pathogens and Fungal Diseases
- Biodiesel Production and Applications
- Effects and risks of endocrine disrupting chemicals
- Advanced Photocatalysis Techniques
Universidade Federal de Viçosa
2015-2024
A series of TiO2/MgZnAl photocatalysts were successfully synthesized from ternary (Mg, Zn and Al) layered double hydroxides impregnated with TiO2 nanoparticles by the co-precipitation method at variable pH different Zn2+/Mg2+ molar ratios. The composite calcined 500 °C resulting in incorporation oxide zinc, MgZnAl LDH structure. Synergistic effect between ZnO lead to significant enhancement photocatalytic activity. Composite characterized ICP-MS, N2 adsorption-desorption, XRD, SEM, EDS, IR...
Abstract The ability to colonize roots is a sine qua non condition for rhizobacteria be considered true plant growth‐promoting (PGPR). A simple screening method detect such potential of PGPR described. Tomato seeds were surface sterilized 30 s in 50% ethanol and this was followed by 3 min dipping 2% NaClO. They then washed three times sterile water, left immersed propagule suspension the 24 h, transferred onto 0.6% water‐agar tubes. young, developing root system shows tendency grow downwards...
A total of 107 rhizobacterial isolates, obtained from the rhizosphere eucalypt clones were tested as rooting inducers cuttings and mini-cuttings planted in substrate composed carbonized rice husk vermiculite (1:1). Cuttings conical plastic tubes containing treated untreated (control) kept under intermittent mist irrigation at 26-28ºC. After 35 days, percentage dry root matter evaluated. Ten isolates capable providing gains up to 110% formation 250% biomass over non-inoculated control...
The petroleum industry generates large amounts of solid and semisolid wastes known as oily sludges. composition sludge varies due to the diversity in quality crude oils, differences processes used for oil–water separation, leakages during industrial processes, also mixing with existing sludge. Usually, contains water, sand, grease, organic compounds, chemical elements, metals. Those sludges can be generated several steps production refining, such oil/water separation bottom tanks....
Abstract The ability of a rhizobacterium to protect tomato plants against naturally occurring diseases as well improve crop yield under field conditions was studied. introduced the through seed microbiolization. Treatments consisted different frequencies fungicide (Chlorothalonyl) sprayings (5, 10 or 20 applications) grown from either microbiolized non‐microbiolized seeds over 90‐day evaluation period. Treatment without application included control. progress following three evaluated in and...
This work aimed to evaluate root colonization and interaction among isolates of rhizobacteria eucalypt species. The method used "in vitro" was able indicate if the effect benefic or deleterious allowing pre-select as potential growth promoter. There Eucalyptus species for seed germinating seedling growth. MF2 (Pseudomonas sp.) best isolate promotion E. cloeziana e grandis. S1 (Bacillus subtilis) most effective globulus, Ca fulva), sp.), CIIb (Stenotrophomonas maltophilia) S2 (B. were...
ABSTRACT The objective of this study was to evaluate the remediation water containing insecticide chlorpyrifos by using constructed wetlands (CW) cultivated with Polygonum punctatum, Cynodon spp. and Mentha aquatica, operated under different hydraulic retention times: 24, 48, 96, 144 192 h. system efficiency based on reduction initial concentration toxicity contaminated water. results showed that are an excellent alternative for in aqueous medium. It observed average overall removal 98.6%,...
O mercúrio, elemento químico considerado não essencial a qualquer processo metabólico, é facilmente acumulado na maioria dos organismos. Ocorre naturalmente em formas orgânicas e inorgânicas, nos estados sólido, dissolvido gasoso. Seu ciclo biogeoquímico envolve processos que ocorrem no solo, água atmosfera. Em 2002, descobriu-se mercúrio elementar zona rural do município de Descoberto, Minas Gerais, onde moram cerca 70 famílias, sua origem parece estar associada à exploração ouro, existiu...
Abstract Micropollutants have been continuously detected in freshwater. In parallel, the potential adverse effects of human exposure to endocrine-disrupting chemicals (EDCs) through drinking water gaining attention researchers and health authorities. Given this fact, study aimed evaluate effectiveness chlorination photolysis remove estrogenic activity caused by mixtures EDCs water: estrone (E1: 100 ng L−1), 17β-estradiol (E2: ethinylestradiol (EE2: 50 nonylphenol (NP: 1,000 L−1) under...
Abstract: Aim In this study, we investigated the effects of secondary PET microplastics (< 53 µm) on Daphnia similis basic life-history parameters survival, age at first reproduction and total offspring number. We also analyzed D. enzymatic activity (superoxide dismutase, catalase glutathione-S-transferase) sub-effect concentrations. Methods performed acute chronic toxicity tests using six concentrations (0, 102, 103, 104, 105 106 part. mL-1). applied an exposure test to analyze...