Results 11 to 20 of about 27,714 (215)

Corantes têxteis [PDF]

open access: yesQuimica Nova, 2000
A dye is a colored substance used to impart permanent color to other substances. Its most important use is in coloring textile fibers and fabrics. The removal of colour from dyehouse waste waters is currently a major problem in the textile sector.
Maria Valnice Boldrin Zanoni
exaly   +7 more sources

Vital dyes in chromovitrectomy [PDF]

open access: yesArquivos Brasileiros de Oftalmologia, 2009
The aim of this article is to present the current data with regard to the application of vital dyes during vitreoretinal surgery, chromovitrectomy, as well as to overview the current literature regarding the properties of dyes, techniques of application,
Costa, Elaine de Paula Fiod   +7 more
core   +6 more sources

CORANTES TÊXTEIS: UMA REVISÃO

open access: yesHolos, 2013
A indústria de corantes desenvolve um importante papel na economia do mundo, visto que estes são utilizados em várias atividades fabris. Os corantes têxteis causam especial impacto no meio ambiente principalmente por serem de difícil degradação.
Fabia Pinho Peixoto   +2 more
doaj   +3 more sources

Corantes alimentares presentes em alimentos ultraprocessados consumidos por universitários / Food dyes present in ultra-processed foods consumed by university students

open access: yesRevista de Pesquisa Cuidado é Fundamental Online, 2018
Objetivo: Descrever os corantes alimentares presentes nos alimentos ultraprocessados consumidos por 273 graduandos de uma universidade pública do Rio de Janeiro.
Dayana Nolasco Gama   +1 more
doaj   +7 more sources

CORANTES ARTIFICIAIS EM ALIMENTOS

open access: yesAlimentos e Nutrição, 2009
<p align="justify">O emprego de aditivos químicos é, sem dúvida, um dos mais polêmicos avanços alcançados pela indústria de alimentos. Os corantes artificiais pertencem a uma dessas classes de aditivos alimentares e têm sido objeto de muitas ...
Marcelo Alexandre PRADO   +1 more
doaj   +1 more source

Validação de método para determinação de corantes em efluentes [PDF]

open access: yesRevista DAE, 2018
Os corantes têm sido utilizados extensivamente pelas indústrias de alimentos e sabe-se que corantes presentes em efluentes são muito difíceis de quantificar.
Raquel Studart de Farias Lessa   +4 more
doaj   +1 more source

Efeito do ph e do tempo de contato na adsorção de corantes reativos por microesferas de quitosana [PDF]

open access: yesPolímeros, 1999
RESUMO: Microesferas de quitosana com grau de reticulação de 24% foram empregadas para adsorção dos corantes reativos Azul 2, Preto 5 e Laranja 16. A adsorção dos corantes reativos foi avaliada em função da acidez da solução e do tempo de contato com o ...
Irene Y. Kimura   +4 more
doaj   +1 more source

A change of heart: Mechanisms of cardiac adaptation to acute and chronic hypoxia

open access: yesThe Journal of Physiology, Volume 600, Issue 18, Page 4089-4104, 15 September 2022., 2022
Abstract figure legend Responses of key cardio‐autonomic parameters to acute, prolonged, and lifelong hypoxia. Relative changes are plotted for lowlanders across the timelines of 0–12 h (left) and 1 day to 6 months (middle) and compared with observations in select populations residing at high altitude in Asia and South America (right).
Alexandra M. Williams   +2 more
wiley   +1 more source

Sub‐maximal aerobic exercise training reduces haematocrit and ameliorates symptoms in Andean highlanders with chronic mountain sickness

open access: yesExperimental Physiology, Volume 106, Issue 11, Page 2198-2209, 1 November 2021., 2021
New Findings What is the central question of this study? What is the effect of sub‐maximal aerobic exercise training on signs and symptoms of chronic mountain sickness (CMS) in Andean highlanders? What is the main finding and its importance? Aerobic exercise training (ET) effectively reduces haematocrit, ameliorates symptoms and improves aerobic ...
José Luis Macarlupú   +5 more
wiley   +1 more source

Effect of exercise training in rats exposed to chronic hypoxia: Application for Monge’s disease

open access: yesPhysiological Reports, Volume 9, Issue 7, April 2021., 2021
Exercise training limited chronic hypoxia‐induced decline in physical capacity. Exercise training decreased hematocrit through mechanical hemolysis. Exercise training in hypoxia have a beneficial effect on excessive erythropoiesis Abstract Physical exercise may improve hematological conditions in high altitude dwellers suffering from Chronic Mountain ...
José‐Luis Macarlupu   +5 more
wiley   +1 more source

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