Performance evaluation of multi-stage filtration with use of granular activated carbon and synthetic non-woven fabrics

The multi stage filtration (MSF) is an alternative that permits to enlarge the spectrum of application of the slow sand filtration as for the effluent quality and run duration. In this research the use of MSF technology associated to a granular activated carbon (GAC) column as polishing mechanism of the final effluent was evaluated; in the slow sand filters GAC was used as an intermediate layer and non-woven synthetic fabrics were utilized as a first layer of the filter media. Five different tests were conducted, where the systems subjected to the treatment were: water from the Ipe Lake (Ilha Solteira, Sao Paulo, Brazil); water from the lake with water from a recreational fish pond; water from the lake with a phytoplankton and cyanobacteria overload simulation, with and without the use of the pre-filters as a stage of the treatment. The synthetic fabrics and GAC use resulted in the best turbidity removal and an efficient apparent and true color removal; in spite that the polishing columns reported similar results for those parameters. The utilization of GAC as an intermediate layer contributed to a better organic matter removal and the fabrics improved chlorophyll-a removal. The pre-filtration columns made an efficient algae and cyanobacteria removal, a function that was completed by the filters and reached >98% efficiency. The synthetic non-woven fabrics and GAC inclusion in MSF operation improved performance of this technology with ease of application and operation.

Enhanced photoabsorption properties of composites of Ti/TiO2 nanotubes decorated by Sb2S3 and improvement of degradation of hair dye

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Evapotranspiração e eficiência do uso da água no primeiro ciclo produtivo da figueira 'Roxo de valinhos' submetida a cobertura morta

Evaluated the evapotranspiration (ETc) and the efficiency of water use (USA) by the fig tree 'Purple Valinhos' submitted to irrigation and mulching (bagacilho of sugar cane crushed) in the first production cycle, at conditions of Botucatu, St. Paul. We used the method of soil water balance and to obtain the reference evapotranspiration method was used Montheit FAO Penman 56. For the assessment of crop coefficients (kc) we adopted the following phenological distribution: phase 1 - between transplanting and 20% of the vegetative (DV), ii) phase 2 - 20 to 80% DV, and iii) phase 3 - fruiting. Observe the cumulative ETc 409.4 and 465.8 mm in 254 days after transplanting (DAT) and averages of 1.47 and 1.67 mm day(-1), with and without mulching (CC and SC). The crop coefficients (kc) mediums were 0.16, 0.43 and 0.49 for SC and 0.18, 0.44 and 0.50 for CC, in phases 1 and 3, respectively. The EUA values decrease with increasing the volume of water received and ranged between 1.65 and 3.32 kg of green figs per m(3) of water for irrigated SC and CC.

Avaliação de injúrias em carcaças de suínos oriundas do manejo na área de espera do abatedouro e adição de nutrientes via dieta hídrica em aves e suínos

Pós-graduação em Zootecnia - FCAV

EFFECTS OF EMERGENCY IN BIOSTIMULANT SEEDLING OF PASSION FRUIT ROXINHO OF KENYA

The increase in market demand for fresh fruits along with the high price of passion fruit juice in domestic and international markets has increased the interest in fruit, especially the purple passion fruit in the center south of the country seeking to export. This study aimed to evaluate the effects of plant growth regulator on the emergence and development of seedlings of passion 'Roxinho of Kenya' when propagated sexually. The treatments consisted of concentrations of commercial product Stimulate (R): control (no biostimulant); 6; 12; 18; 24 and 30 mL. kg(-1) of seed. It were evaluated the percentage of seedling emergence, number of leaves, aerial part dry weight, stem and root (g), root length (mm), diameter and stem length (mm), leaf area and chlorophyll 'a' and 'b'. The application of bio-stimulant in doses of 6 and 12 mL. kg(-1) promotes increased percentage of seedling emergence of Passiflora edulis Sims in a shorter time. The use of it also promotes the development of seedlings, with better results for the dose of 12 and 24 mL. kg(-1) treated seeds.

Tromboembolismo na aorta abdominal terminal em felinos

Clinical manifestations of arterial thromboembolism in cats depends on the location of embolization, the severity and duration of occlusion, the functionality of the collateral circulation and the development of complications. In case of location in the terminal abdominal aorta usually presents animal paresis/paralysis, pulses are weak or nonpalpable, pain, cold limbs. Gastrocnemius and tibialis muscles generally have become bulbous, swollen and sore because of ischemic neuromyopathy. The nail beds become pale or very dark (purple to black), and do not bleed when cut. Due to the small number of researches in the area it’s until not possible to determine which medication, dosage and frequency of administration are more suitable for the treatment of arterial thromboembolism in cats. Among the options currently available the cheapest, easiest to administer and which requires no periodic monitoring is the low-dose aspirin

Dinâmica populacional de Zaprionus indianus Gupta 1970 (Diptera: Drosophilidae) e caracterização de alguns aspectos biológicos

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Monitoramento do perfil microbiológico de dentes com infecção endodôntica primária durante terapia com diferentes medicações intracanal

Pós-graduação em Odontologia Restauradora - ICT

Sistemática, evolução e biologia reprodutiva de Utricularia com ênfase para Utricularia amethystina Salzm. Ex A.St.-Hil. & Girard (Lentibulariaceae)

Pós-graduação em Agronomia (Genética e Melhoramento de Plantas) - FCAV

Investigation on the s of guava (Psidium guajava L.) infusions on germination, root tips and meristematic cells of Latuca sativa

Guava (Psidium guajava L.) is a plant often employed in popular medicine. Recently several studies have alerted about the toxicity of substances present in medicinal plants, which can pose risks to the human health. In this sense, the present work aimed to investigate the phytotoxic, cytotoxic and genotoxic action of three guava varieties - Paluma, Pedro Sato and Roxa (purple) - on the plant test system Lactuca sativa L. Thus, macro- and microscopic evaluations were carried out for five infusion concentrations (2.5, 5.0, 10.0, 20.0 and 40.0 g.L-1) prepared from each variety. Distilled water was used as negative control. Chromatographic and spectroscopic analysis by HPLC-PAD indicated that the chemical composition of the infusion of Roxa is different than that of the infusions of the varieties Paluma and Pedro Sato. It was observed that seed germination and root growth in L. sativa exposed to infusions decreased with increasing infusion concentration, regardless of the tested cultivar. For the mitotic index, no statistical differences were observed. On the other hand, a significant increase in the frequency of cell cycle alterations was verified, especially for the highest concentrations tested. The cytogenotoxic was significant. Therefore, guava should not be used indiscriminately in popular medicine.

Modelo de poços quânticos para a transferência de elétrons

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Distribution, management and diversity of the endangered Amerindian yam (Dioscorea trifida L.)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Nutritional status of the cauliflower cultivar ‘verona’ grown with omission of out added macronutrients

Knowledge of plant nutritional status allows an understanding of the physiological responses of plants to crop fertilization. A hydroponic experiment evaluated the symptoms of macronutrient deficiency in cauliflower 'Verona'and determined: a) the macronutrient contents of foliar tissues when visual symptoms were observed, b) macronutrients content of foliar and inflorescence tissues at harvest. The effect of nutrient deficiency on inflorescence mass was also evaluated. Nitrogen deficiency caused chlorosis followed by purple color in the old leaves, while P deficiency caused only chlorosis in old leaves. Chlorosis at the edge of old leaves progressing to the center of the leaves was observed with the omission of K, and after was observed necrosis in the chlorotic areas. Ca deficiency caused tip burn in new leaves, while Mg deficiency caused internerval chlorosis in old leaves. The omission of eachmacronutrient reduced inflorescence dry matter. This deleterious effect was larger for N, P, and K deficiencies, reducing inflorescence dry matter by 87, 49, and 42%, respectively. When the nutrient solutions without N, P, K, Ca, or Mg were supplied to cauliflower plants, the macronutrient contents at harvest were 8.8, 0.6, 3.5, 13.0, and 0.8 g kg(-1) in the foliar tissues and 27.3, 2.2, 21.6, 1.1, and 0.7 g kg(-1) in the inflorescence tissues, respectively.

Biomassa da bactéria Rubrivivax gelatinosus proveniente do tratamento de efluente de piscicultura melhora a saúde dos peixes

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Performance characteristics of UV and visible spectrophotometry methods for quantitative determination norfloxacin in tablets

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)