A água e a vida

Bruni, José Carlos

doi:10.1590/ts.v5i1/2.84942

Cited by 32 publications

(25 citation statements)

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“…Both cell types belong to the complex of midline structures designated as the circumventricular organs, which have recently aroused great interest in view of the very high content of the peptides thyrotropin-releasing hormone, luteinizing hormone-releasing hormone, and Som in some of these cellular aggregates and in the cerebrospinal fluid (26). Lack of the blood-brain barrier in most of these circumventricular organs allows the free circulation through these structures, viewed as "windows in the brain" (27), of these and other peptides as well as of steroid hormones, which would, according to some authors, impart a functional organization upon neurons in the hypothalamus (28). The present finding of the strikingly high uptake of NGF in cells lining the third ventricle suggests the possibility that, in these lower vertebrates, NGF may be endowed with an important physiological role in brain organization and function, at least during these premetamorphic stages.…”

Section: Discussionmentioning

confidence: 99%

Differentiating effects of murine nerve growth factor in the peripheral and central nervous systems of Xenopus laevis tadpoles

Levi‐Montalcini¹,

Aloe²

1997

World Scientific Series in 20th Century Biology

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The present investigation was directed toward exploration of the spectrum of action of murine nerve growth factor (m-NGF) in peripheral cells and neurons in the central nervous system (CNS) ofXenopus laevis tadpoles. It was found that systemic m-NGF injections elicit growth and differentiative effects not only on sensory and sympathetic nerve cells but also on several populations in the CNS. The finding that aminergic and peptidergic neurons in brain centers are highly receptive to m-NGF activity provides evidence for the broad spectrum of action of this molecule in lower vertebrates and calls for a systematic search for these and other putative target cells in the CNS of higher vertebrates.

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Section: Discussionmentioning

confidence: 99%

Differentiating effects of murine nerve growth factor in the peripheral and central nervous systems of Xenopus laevis tadpoles

Levi‐Montalcini¹,

Aloe²

1997

World Scientific Series in 20th Century Biology

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“…A natureza da água nos remete ao sentido de pureza, por isso seu significado de purificação e regeneração. Dentre os ritos de purificação/regeneração encontra-se o batismo, no qual a água conduz a um novo nascimento e aponta para a esperança por meio da graça divina (BRUNI, 1994).…”

Section: Relação Religiosa/espiritual Com a áGuaunclassified

Movimento De Alfabetização De Adultos Um Olhar Para as Questões Ambientais: Micro Bacia Hidrográfica Do Córrego Mineirinho Em São Carlos/Sp

Zacharias¹,

Eler²,

Voltatódio³

et al. 2019

Enfoque Interdisciplinar Na Educação Ambiental

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O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais. C Co on ns se el lh ho o E Ed di it to or ri ia al l C Ci iê ên nc ci ia as s H Hu um ma an na as s e e S So oc ci ia ai is s A Ap pl li ic ca ad da as s Prof. Dr.

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“…They can be roughly divided into three broad categories: (a) constant sources, namely, sources having well known periodicity in their intensity [7][8][9][10][11], (b) transient natural phenomena [12] and (c) man-made sources [13,14].…”

Section: Short Review On the Sources Of Night Sky Background Radiationmentioning

confidence: 99%

Study and parametrization of the night sky background radiation spectrum in the range 3000–6000 Å, for use with air fluorescence detectors of UHECR

Moyssides¹,

Maltezos²,

Fokitis³

2005

Journal of Modern Optics

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The fluorescence light, induced by showers of the extremely high energy cosmic rays, is produced through the excitation of, mainly, nitrogen molecules, atoms, and ions, in the atmosphere. The fluorescence telescopes of the Auger Project record this nitrogen radiation under the variable night sky optical noise (background radiation) and, therefore, the study of the latter is crucial. In this paper we present a parametrization of an experimental night sky background radiation spectrum that, to our knowledge, is being carried out for the first time, recorded in the range 3000-6000 Å . Although the parametrization described here refers to a particular spectrum, our results are generally applicable, and could be adapted to those prevailing in particular locations, where EAS fluorescence telescopes are operating if, in addition, the gradual time variations of the spectrum are taken into account. They could be useful in data analysis for the event reconstruction, during the operation of the fluorescence detector of the Auger Observatory, since they could be used for the experimental emulation of the optical noise. In addition, they could be used in the designing of air fluorescence observatory components, such as photomultipliers and their spectral sensitivity, as well as in the corresponding optical filters.

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A água e a vida

Abstract: contrato natural).A R T I G O Tempo Social; Rev. Sociol. USP, S. Paulo, 5(1-2): 53-65, 1993 (editado em nov. 1994).

Cited by 32 publications

References 0 publications

Differentiating effects of murine nerve growth factor in the peripheral and central nervous systems of Xenopus laevis tadpoles

Differentiating effects of murine nerve growth factor in the peripheral and central nervous systems of Xenopus laevis tadpoles

Movimento De Alfabetização De Adultos Um Olhar Para as Questões Ambientais: Micro Bacia Hidrográfica Do Córrego Mineirinho Em São Carlos/Sp

Study and parametrization of the night sky background radiation spectrum in the range 3000–6000 Å, for use with air fluorescence detectors of UHECR

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