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Search Results: 1 - 10 of 339323 matches for " Marco Antonio Covi Júnior "
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Advances in the Treatment of Textile Effluents: A Review  [PDF]
Marco Antonio Covi Júnior, Andressa Graciele dos Santos, Elias de Paulo Silva, Guilherme Franqueiro Maimoni, Helísa Naves Martins, Maria Luiza de Moura Assis, Carmen Aparecida Cardoso Maia Camargo, Marcio Antonio Ferreira Camargo
Open Access Library Journal (OALib Journal) , 2019, DOI: 10.4236/oalib.1105549
Abstract:
The textile industry moves the economy of several countries, being of great importance for the internal market and also for the external market, but it is considered one of the industries that consume a greater volume of water in its productive process, being one of the largest producers of effluents. Effluents from the textile industries carry toxic, mutagenic and potentially carcinogenic substances, and are resistant to chemical and/or biological degradation, pre-venting traditional effluent treatment methodologies from removing significant quantities of these molecules, compromising the quality of receiving water bodies. The present work aims to demonstrate the conventional methodologies used in the treatment of effluents from textile industries and present new technologies discovered for this purpose and present a greater efficiency in the removal of the dyes used in the productive chain of these industries.
A Luta Pela Terra no Campo Brasileiro: uma Análise de Dados (1990/2001)
Marco Antonio Mitidiero Júnior
Cadernos do Logepa , 2004,
Abstract: A partir da segunda metade da década de 90 o cotidiano político brasileiro conheceu uma nova face das manifesta es sociais levadas a cabo pela sociedade civil. Os movimentos de Sem Terra, que n o s o formas de manifesta o recentes, mas sim de grande parte da históriadeste país, iniciam na década de 90 uma intensifica o nas a es combativas, geralmente representadas pelas ocupa es de terra. O Movimento dos Trabalhadores Rurais Sem Terra (MST) ganha proje o nacional/internacional, mas n o constitui o único movimento em lutapela terra no campo brasileiro. Muitos outros movimentos, organiza es independentes e institui es surgiram neste contexto, caracterizando uma constante tens o social no campo.
Tratamento cirúrgico das les?es traumáticas do segmento médio-inferior da coluna cervical
HERCULANO, MARCO ANTONIO;TELLA JúNIOR, OSWALDO INáCIO DE;BONATELLI, ANTONIO DE PáDUA FURQUIM;
Arquivos de Neuro-Psiquiatria , 2000, DOI: 10.1590/S0004-282X2000000400010
Abstract: the most frequently injury level of cervical spine is c2, followed by c5 and c6. injuries were most commonly sustained in the third decade of life, with a decreasing incidence in the advanced age. as part of these lesions is located in the elements of the anterior column, according to denis's definition and, taking in consideration the biomechanics studies of the segment medium?inferior of the cervical spine, as well as the mechanisms that cause their lesions, this study was elaborated, with the intention of presenting the techniques of anterior cervical fusion, with bony graft and plates of caspar, morscher (cslp) and orion?. the advantages and disadvantages of each type of anterior fixation are presented accordind to the literature review. the improvement in the material relate to plates and screws fixation techniques are illustrated.
Fenologia e produ??o de cultivares americanas e híbridas de uvas para vinho, em Jundiai-SP
Hernandes, José Luiz;Pedro Júnior, Mário José;Santos, Antonio Odair;Tecchio, Marco Antonio;
Revista Brasileira de Fruticultura , 2010, DOI: 10.1590/S0100-29452010005000040
Abstract: a field trial was carried out on grapevines grown in jundiaí, s?o paulo state, brazil, during the growing seasons from 2000/01 to 2002/03. agronomic and phenological characteristics were evaluated for the following american and hybrid grape cultivars: 'moscatel de jundiaí'; 'máximo', 'madalena', 'seibel 10096', 'isabel' and 'niagara rosada' grafted on 'iac 766'. the statistical design used was completely randomized, with plots containing three plants and five replicates. phenological evaluations were weekly taken and measurements of grape yield and soluble solids content were taken at harvest time. the cultivars 'seibel 10096', 'moscatel de jundiaí', 'madalena' and 'máximo' showed the longest duration cycle with an average of 149 days when compared to 'niagara rosada' with 135 days.the values of yield obtained for 'máximo' and 'seibel 10096' were respectively, 4.28 and 4.41 kg.plant-1 and they were statistically different from 'madalena' and 'isabel', respectively, 3.09 and 2.50 kg.plant-1. the cultivars 'moscatel de jundiaí', and 'niagara rosada' showed yields varying from 3.0 to 3.5 kg.plant-1. the cultivar 'seibel 10096' showed the highest value for bunch weight (283.6 g) when compared to 'isabel' and 'madalena' with mean values of 96.5 g and 139.6 g, respectively. the highest values of soluble solids content (higher than 17obrix) were obtained for 'moscatel de jundiaí'; 'máximo' and 'seibel 10096'. however, values lower than 15.9obrix were obtained for 'isabel' and 'niagara rosada'. among the evaluated cultivars, it may constitute an option for the viticulturist 'máximo' and 'seibel 10096' for red wines and 'moscatel de jundiaí' for white wines.
Tratamento cirúrgico das les es traumáticas do segmento médio-inferior da coluna cervical
HERCULANO MARCO ANTONIO,TELLA JúNIOR OSWALDO INáCIO DE,BONATELLI ANTONIO DE PáDUA FURQUIM
Arquivos de Neuro-Psiquiatria , 2000,
Abstract: O nível C2 é o mais frequente em les es traumáticas da coluna cervical, sendo seguido por C5 e C6. Elas ocorrem, mais habitualmente, na terceira década de vida, com incidência decrescente na idade avan ada. Como parte destas les es está localizada nos elementos da coluna anterior, segundo a conceitua o de Denis e, levado-se em considera o os estudos biomecanicos do segmento médio--inferior da coluna cervical, bem como os mecanismos que causam estas les es, elaboramos este estudo, com o intuito de apresentar as técnicas de fus o cervical anterior, com enxerto ósseo e placas de Caspar, Morscher (CSLP) e ORION(TM). Mostramos e discutimos as vantagens e desvantagens de cada tipo de fixa o anterior, com base nos dados de literatura, evidenciando a melhoria no material de implante e das técnicas de fixa o.
An experimental model for the study of drug effects on cutaneous healing
Chiquetti Júnior, Antonio;Rodrigues, Marco Aurélio de Freitas;Delfino, Vinicius Daher Alvares;
Acta Cirurgica Brasileira , 2007, DOI: 10.1590/S0102-86502007000400014
Abstract: purpose: immunosuppressive agents are known to interfere with the healing of surgical wounds. the increasing use of these drugs warrants a better understanding of their effects on wound healing. the aim of this study was to develop an experimental model that would allow for a reliable and rapid assessment of drug effects on cutaneous wound healing. methods: thirty syngeneic lewis rats underwent surgical incision on their dorsal region, in the presence or absence of a three-week regimen of immunosuppressant drug therapy (i.e., cyclosporin, azathioprine, and prednisone). surgical site tissue was collected at intervals over 21 days after surgery and analyzed for cell number and collagen fiber content. both of these quantitative assessments were performed using digital image capture with the image pro plus 4.5 software. results: computerized histomorphometric analyses revealed an apparent inhibition of cellular responses and collagen fiber production in drug-treated animals compared to control animals. conclusion: the experimental model was reproducible, easy to perform, and allowed for quantitative histological evaluations. it may be useful for the study of surgical healing in the presence of other drug classes.
O efeito do ultra-som em rea??es químicas
Martines, Marco Antonio Utrera;Davolos, Marian Rosaly;Jafelicci Júnior, Miguel;
Química Nova , 2000, DOI: 10.1590/S0100-40422000000200017
Abstract: unusual chemical phenomenon associated with ultrasound is on account of cavitation effect. the ultrasound increase the rate and yield of chemical reaction on account of its ability to emulsify liquids. when the ultrasound is used in metallic catalyst reaction the activity of catalyst is increased because the ultrasound clean the surface of catalyst. sonogels have a fine porosity and large specific surface improving different properties. this paper deals with ultrasound phenomenon and gives some examples of reactions and properties where this radiation takes an important role.
Influência do sistema de condu??o no microclima, na produtividade e na qualidade de cachos da videira 'Niagara Rosada', em Jundiaí-SP
Pedro Júnior, Mário José;Hernandes, José Luiz;Tecchio, Marco Antonio;Pezzopane, José Ricardo Macedo;
Revista Brasileira de Fruticultura , 2007, DOI: 10.1590/S0100-29452007000200024
Abstract: different training systems were applied to 'niagara rosada' grapevine aiming to compare the differences in microclimate, yield and bunch quality. the grapevines were grown in the experimental farm of the instituto agron?mico at jundiaí, s?o paulo state, brazil. the 'niagara rosada' vines were grafted on iac-766 rootstock and spaced by 2x1m. two training systems were evaluated: unilateral single cordon with three vertical catch wires and double parallel cordon with sloped catch wires. measurements of transmitted solar radiation, air and bunch temperature were taken during 2005 and evaluations of: yield, leaf area index, total soluble solids and bunch weight were done during the 2004/05 and 2005/06 growing seasons. the double cordon training system showed higher values of yield, number of bunches, bunch weight and leaf area index when compared to the single cordon training system. during the analyzed period the double cordon training system showed yield values 75% higher than the single cordon. the transmitted solar radiation at harvest was lower for the double cordon training system. it was not observed statistical differences in bunch temperature and total soluble solids for the training systems.
Hematoma retroperitoneal espontaneo
Figueirol, Viviane Di Conti;Salgueiro Júnior, Marco Antonio;Leme, Marcelo Betim Paes;
Revista do Colégio Brasileiro de Cirurgi?es , 2005, DOI: 10.1590/S0100-69912005000100013
Abstract: we present a case of a spontaneous retroperitoneal hematoma in a 62 year-old man who was using acethylsalicylic acid (asa). spontaneous retroperitoneal hematoma is a rare, but potentially serious complication of anticoagulation therapy. through literature revision, we have discussed the etiological aspects of this disease and the importance of obtaining the preoperative diagnosis for an appropriate and conservative operative treatment.
Apoptosis in Denervated Skeletal Muscle Apoptosis en Músculo Estriado Desnervado
Giovanna Castilho Davatz,Jesus Carlos Andreo,Antonio de Castro Rodrigues,Geraldo Marco Rosa Júnior
International Journal of Morphology , 2007,
Abstract: The apoptosis phenomenon happens in normal tissues and in many pathological conditions as described by several researchers. Most studied in the 70s, this phenomenon remained almost forgotten in the 90s, when, with the advent of more advanced techniques, returned to laboratories. Thus, electronic microscopy, Comet Assays and histochemistry techniques, among others, were utilized in an effort to elucidate in a thorough way, the mechanisms that lead the cell to "suicide". No one can deny the importance of the knowledge of such phenomenon, so as to control its induction or blocking in the treatment of pathologies such as cancer. In this work, the apoptosis study was aimed at denervated muscles in different periods. Furthermore, two types of skeletal striated muscles were compared: the one called red muscle (soleo) which is resistant to fatigue, having a slow contraction, and the one named white muscle (EDL) of precocious fatigue and fast contraction. Previoulsy carried out in the techniques mentioned above, this work has been accomplished using the TUNEL technique, which is most accepted in the identification of apoptosis. It was demonstrated that this phenomenon takes place in a more marked way, in the beginning of the denervation process. In addition, it was observed that the red muscle responds more intensely to denervation than the white muscle. One can infer that the removal of the main cell function, the contraction, in the case of the skeletal striated muscle, triggers the chain reactions that culminate in apoptosis. Other projects are in process using mutant animals aiming at studying degenerative muscular illnesses and correlating them with denervation El fenómeno apoptosis ocurre en tejidos normales y en muchas condiciones patológicas, de acuerdo a lo relatado en varios trabajos. El estudio de este fenómeno tuvo su apogeo en la década del 70, permaneciendo en el olvido hasta la década del 90, momento en el cual comienzan a surgir técnicas más avanzadas, que motivaron su retorno a laboratorios de todo el mundo. Así, técnicas de microscopía electrónica, histoquímica, ensayos cometa, etc., fueron utilizados en los esfuerzos de elucidar de forma más profunda los mecanismos que conllevan a la célula al "suicidio". No se puede negar la importancia del conocimiento de ese fenómeno o, más específicamente, del control de su inducción o bloqueo para el tratamiento de patologías como el cáncer, por ejemplo. El presente trabajo tuvo como objetivo el estudio de apoptosis en músculo inervados, por diferentes periodos. También fueron comparados dos tipos de múscu
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