Stressful Sources
Mostrando 1-11 de 11 artigos, teses e dissertações.
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1. Morpho-physiological changes in Billbergia zebrina due to the use of silicates in vitro
Abstract The use of silicon in Billbergia zebrina cultivation in vitro is an alternative for optimizing micropropagation of this important ornamental plant species. The objective of the present study was to evaluate the growth and anatomical and physiological alterations in Billbergia zebrina (Herbert) Lindley plants as a function of different sources and co
An. Acad. Bras. Ciênc.. Publicado em: 18/10/2018
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2. Genetic diversity of the pampas deer (Ozotoceros bezoarticus) population in the Brazilian Pantanal assessed by combining fresh fecal DNA analysis and a set of heterologous microsatellite loci
Abstract The pampas deer (Ozotoceros bezoarticus) is close to being classified as ‘globally threatened’, with the largest population occurring in the Brazilian Pantanal. Since capture is stressful to these animals, non-invasive sampling methods such as the use of feces can provide reliable sources of DNA. The aim of this study was to use fecal samples to
Genet. Mol. Biol.. Publicado em: 02/10/2017
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3. The laborious stress teachers in the High School / O stress ocupacional em professores do ensino médio
The studies on occupational stress in the educational profession still healthy very recent and they leave countless subjects in open. This work intended to call the attention for the high prevalence of occupational stress among the professionals of the teaching, and for that, it investigated the presence of the stress among the teachers of the medium teachin
Publicado em: 2008
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4. Effect of silicate fertilization on both kalanchoe and chrysanthemum / EFEITO DA ADUBAÃÃO SILICATADA NA ACLIMATIZAÃÃO DE CALANCHOE E CRISÃNTEMO
In order to obtain both quality, cuttings and ornamental plants the propagation through tissue culture technique was used for increases the number of plants and decreases time consumption. It also ensures both plant uniformity and phitosanitary quality. Acclimatization is one of the most critical phases of the micro propagation process as it not only is stre
Publicado em: 2008
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5. Glutamine and antioxidant metabolism during adventitious organogenesis of Ananas comosus leaves / Glutamina e metabolismo antioxidante durante a organogênese adventícia em folhas de Ananas comosus
A positive influence of glutamine on organogenesis of in vitro cultured plant tissues has been demonstrated by several studies. It is well known that the endogenous synthesis of phytohormones can be influenced by nitrogen sources, although it is not completely established in which way glutamine acts in this process. The addition of this amino acid to the cul
Publicado em: 2008
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6. Nível de stress, fontes estressoras e estratégias de enfrentamento em mulheres. / Stress level, stressful sources and coping in women.
Este estudo objetivou avaliar e comparar mulheres casadas e mulheres solteiras quanto à incidência de stress, fontes estressoras e estratégias de enfrentamento usadas para lidar com a tensão. Correlacionaram-se sintomas, fontes e estratégias. As participantes foram um total de 21 mulheres, sendo um grupo de 10 mulheres com nível superior completo, prof
Publicado em: 2006
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7. Formation of soluble microbial products (SMP) in anaerobic reactors during stress conditions
Anaerobic wastewater treatment has many advantages over aerobic treatment, however, one factor that limits its application is the relatively high concentration of organic material in the effluent. Characterization of both aerobic and anaerobic effluents has shown that the majority of the residual chemical oxygen demand (COD) is due to soluble microbial produ
Publicado em: 2004
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8. O stress do educador infantil: sintomas e fontes
The literature presents various studies on stress and burnout of the professors working at different levels of education, however the stress of childrens educator has been little searched. The studies were on attendance policy for children from zero to six year old, the formation of the childrens educator, the characterization of the diverse types of attenda
Publicado em: 2003
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9. Mortality after death of spouse in relation to duration of bereavement in Finland.
STUDY OBJECTIVES: (1) To assess the extent to which death of a spouse causes excess mortality by controlling for the effects of confounding and other sources of bias. Three possible sources of bias are considered: accidents common to spouses, common socioeconomic environment, and common lifestyles. (2) To assess the duration specific effects of death of a sp
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10. Role of an Escherichia coli stress-response operon in stationary-phase survival.
The phage shock protein operon (pspABCE) of Escherichia coli is strongly expressed in response to stressful environmental conditions, such as heat shock, ethanol treatment, osmotic shock, and filamentous phage infection. We show that bacteria lacking the pspABC genes exhibit a substantial decrease in the ability to survive prolonged incubation in stationary
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11. Nerve growth factor in the anterior pituitary: localization in mammotroph cells and cosecretion with prolactin by a dopamine-regulated mechanism.
Nerve growth factor (NGF) is well characterized for its neurotrophic actions on peripheral sensory and sympathetic neurons and on central cholinergic neurons of the basal forebrain. Recent evidence, however, has shown high levels of NGF to be present in a variety of biological fluids after inflammatory and autoimmune responses, suggesting that NGF is a media