Quinine
Mostrando 1-12 de 218 artigos, teses e dissertações.
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1. Protective effect of Schisandra chinensis total lignans on acute alcoholic-induced liver injury related to inhibiting CYP2E1 activation and activating the Nrf2/ARE signaling pathway
ABSTRACT Schisandra chinensis (Turcz.) Baill., Schisandraceae, is a well-known traditional Chinese medicine used mainly as a recipe for hepatoprotection. Modern researches have revealed that the hepatoprotection is related to its lignans and crude polysaccharide. In this study, we examined the effect and mechanism of S. chinensis total lignans on the liver i
Rev. bras. farmacogn.. Publicado em: 27/05/2019
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2. Brazilian malaria molecular targets (BraMMT): selected receptors for virtual high-throughput screening experiments
BACKGROUND Owing to increased spending on pharmaceuticals since 2010, discussions about rising costs for the development of new medical technologies have been focused on the pharmaceutical industry. Computational techniques have been developed to reduce costs associated with new drug development. Among these techniques, virtual high-throughput screening (v
Mem. Inst. Oswaldo Cruz. Publicado em: 25/02/2019
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3. Possible artemisinin-based combination therapy-resistant malaria in Nigeria: a report of three cases
Artemisinin-based combination therapy-resistant malaria is rare in Sub-Saharan Africa. The World Health Organization identifies monitoring and surveillance using day-3 parasitaemia post-treatment as the standard test for identifying suspected artemisinin resistance. We report three cases of early treatment failure due to possible artemisinin-based combinatio
Rev. Soc. Bras. Med. Trop.. Publicado em: 2013-07
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4. In vitro susceptibility of Plasmodium falciparum Welch field isolates to infusions prepared from Artemisia annua L. cultivated in the Brazilian Amazon
Artemisinin is the active antimalarial compound obtained from the leaves of Artemisia annua L. Artemisinin, and its semi-synthetic derivatives, are the main drugs used to treat multi-drug-resistant Plasmodium falciparum (one of the human malaria parasite species). The in vitro susceptibility of P. falciparum K1 and 3d7 strains and field isolates from the sta
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-11
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5. The in vivo antimalarial activity of methylene blue combined with pyrimethamine, chloroquine and quinine
The effectiveness of methylene blue (MB) combined with pyrimethamine (PYR), chloroquine (CQ) or quinine (Q) was examined in a classical four-day suppressive test against a causative agent of rodent malaria, Plasmodium berghei. A marked potentiation was observed when MB was administered at a non-curative dose of 15 mg/kg/day in combination with PYR (0.19 mg/k
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-09
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6. Development of a fluorimetric sequential injection analysis (SIA) methodology for determination of quinine
Desenvolveu-se uma metodologia de análise por injeção sequencial (SIA) para a determinação fluorimétrica de quinino em refrigerantes. Dispersão mínima e mistura eficiente foram obtidas aspirando-se 200 mL de amostra entre duas zonas de 100 mL de reagente (0,10 mol L-1 H2SO4) a uma vazão de 250 mL s-1, usando uma bobina de reação de 50 cm de compri
Journal of the Brazilian Chemical Society. Publicado em: 2011-10
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7. Desenvolvimento e avaliação da atividade e farmacocinética de nanopartículas lipídicas sólidas contendo a associação de quinina e doxiciclina / Development and evaluation of the activity and pharmacokinetics of solid lipid nanoparticles loaded with the association of Quinine and Doxycycline
Malaria is one of the most devastating tropical diseases caused by intracellular protozoan parasites of the genus Plasmodium. More than 3 billion people live in malarial endemic regions. Five species of Plasmodium (falciparum, vivax, ovale, malariae and knowlesi) cause disease in humans and infection with P. falciparum, the most deadly of these parasites, re
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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8. Eletrophoretic and spectrometric characterization of Cinchona extracts of use phytoterapic and cosmetic / Caracterização eletroforética e espectrométrica de extratos de Cinchona de uso fitoterápico e cosmético
Every year, malaria kills about one million people. According to OMS, 3.3 billion people, half of the world population, are exposed to the disease, mostly in underdeveloped countries. The pharmaceuticals used in the treatment of malaria include: chloroquine, primaquine, quinine, mefloquine, doxyclyne, clindamicina and artemisin. The increased resistance of t
Publicado em: 2010
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9. Quinina: 470 anos de história, controvérsias e desenvolvimento
After 470 years, a history of development, international seed smuggling and scientific development that caused deep changes in our society, has reached an end. In 1638, the countess of Chinchón contracted a disease while in the Amazon rain forest and was healed by a potion used by the native inhabitants. In 1856, William H. Perkin while attempting to obtain
Química Nova. Publicado em: 2009
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10. Oviposition behavior in wild Anastrepha obliqua (Macquart, 1835) (Diptera: Tephritidae): initial study of associative learning related to a protein source
In associative learning, experience enables an animal to associate a conditioned stimulus with some other meaningful stimulus producing either positive or negative effects. In this way, on a subsequent encounter, the response that was previously elicited only by the meaningful stimulus is then elicited by the conditioned stimulus as well. The aim of the pres
Psychology & Neuroscience. Publicado em: 2008-12
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11. Quinine levels in patients with uncomplicated falciparum malaria in the Amazon region of Brazil
We examined the plasmatic concentrations of quinine in patients with uncomplicated falciparum malaria in an endemic area of the Amazon region in Brazil in a prospective clinical trial, in which a standard three-day course of oral quinine plus doxycycline was used. We measured the quinine in the plasma samples on days 0 and 3by high performance liquid chromat
Brazilian Journal of Infectious Diseases. Publicado em: 2008-10
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12. Avaliation of the vitro and in vivo antimalarial activity of violacein extrated from Chromobacteriuim violaceum / Avaliação in vivo e in vitro da atividade anti-plasmodial da violaceina extraida da Chromobacterium violaceum
Violacein is a violet pigment extracted from the bacteria Gram-negative Chromobacterium violaceum. Growing bodies of evidences have implicated violacein as an antimicrobial, antifungal, antitumoral, and a moderate trypanocidal and leishmanial activity has also been observed. Herein, we evaluated the anti-malarial activity of violacein against murine and huma
Publicado em: 2008