Results 51 to 60 of about 9,097,931 (359)

Tanzania Joint Health Technical Review 2002:final report HIV/AIDS [PDF]

open access: yes, 2002
\ud Tanzania has a HIV epidemic at an estimated range of approximately 12% of the adult population (15-49 years) being infected. The epidemic is still increasing and there are few signs that the epidemic will level off in the near future.
Alban, Anita, Kimambo, Adeline
core  

Dramaturgia negrofeminina brasileira

open access: yesPitágoras 500, 2020
Ao pensarmos em uma dramaturgia de autoria de mulheres negras temos certa dificuldade em elencar nomes. Quando o fator publicação dessas peças entra em cena as dificuldades acentuam-se.
Dênis Moura de Quadros
doaj   +1 more source

Protonophore activity of short‐chain fatty acids induces their intracellular accumulation and acidification

open access: yesFEBS Letters, EarlyView.
The protonated form of butyrate, as well as other short‐chain fatty acids (SCFAs), is membrane permeable. In acidic extracellular environments, this can lead to intracellular accumulation of SCFAs and cytosolic acidification. This phenomenon will be particularly relevant in acidic environments such as the large intestine or tumor microenvironments ...
Muwei Jiang   +2 more
wiley   +1 more source

Humans perceive flicker artifacts at 500 Hz. [PDF]

open access: yes, 2015
Humans perceive a stable average intensity image without flicker artifacts when a television or monitor updates at a sufficiently fast rate. This rate, known as the critical flicker fusion rate, has been studied for both spatially uniform lights, and ...
Davis, James   +2 more
core   +2 more sources

Das formas do sagrado: o espaço no Kalari e inquietações sobre o fazer da cena

open access: yesPitágoras 500, 2017
Este artigo aborda a questão da construção/transformação do espaço comum em lugar propício para a manifestação do sagrado. Partindo da concepção e da preparação dos espaços na prática do Kalarippayatt, arte marcial indiana; das noções de sagrado proposto
Ana Paula Ibañez, Marilia Vieira Soares
doaj   +1 more source

A escolha política de Medeia

open access: yesPitágoras 500, 2021
Escolhendo na dramaturgia ocidental a Medéia de Eurípedes, não buscamos ilustrar nenhuma tese psicanalista, mas permitir que o mito desafie nosso pensamento e as crenças emocionais que fundamentam esse Sistema de Representação Heterossexual.
Martha de Mello Ribeiro
doaj   +1 more source

$B^0$ and $B^0_s$ decays into $J/ψ$ $f_0(980)$ and $J/ψ$ $f_0(500)$ and the nature of the scalar resonances [PDF]

open access: yes, 2014
We describe the $B^0$ and $B^0_s$ decays into $J/\psi$ $f_0(500)$ and $J/\psi$ $f_0(980)$ by taking into account the dominant process for the weak decay of $B^0$ and $B^0_s$ into $J/\psi$ and a $q \bar q$ component. After hadronization of this $q \bar q$ component into pairs of pseudoscalar mesons we obtain certain weights for the meson-meson ...
arxiv   +1 more source

Modifications in FLAP's second cytosolic loop influence 5‐LOX interaction, inhibitor binding, and leukotriene formation

open access: yesFEBS Letters, EarlyView.
The enzyme 5‐lipoxygenase (5‐LOX) catalyzes the first step in the biosynthesis of leukotrienes (LTs) involved in inflammatory pathophysiology. After cellular stimulation, 5‐LOX translocates to the nucleus, interacting with the 5‐LOX‐activating protein (FLAP) to form LTA4 from arachidonic acid (AA).
Erik Romp   +5 more
wiley   +1 more source

Tradição como transgressão: Kalanidhi Narayanan e Chandralekha

open access: yesPitágoras 500, 2017
O artigo apresenta uma reflexão sobre o teatro-dança indiano bharatanatyam e o contexto pós-colonial a partir da trajetória de duas artistas: Kalanidhi Narayanan (1928-2016) e Chandralekha (1928-2006).
Joana Pinto Wildhagen
doaj   +1 more source

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