Results 21 to 30 of about 326,787 (224)

Medicinal plant Miconia albicans synergizes with ampicillin and ciprofloxacin against multi-drug resistant Acinetobacter baumannii and Staphylococcus aureus

open access: yesBMC Complementary Medicine and Therapies, 2023
Background Given the rising occurrence of antibiotic resistance due to the existence and ongoing development of resistant bacteria and phenotypes, the identification of new treatments and sources of antimicrobial agents is of utmost urgency. An important
Genilson Silva de Jesus   +9 more
doaj   +1 more source

estudo da equação soma-produto de números naturais

open access: yesC.Q.D. - Revista Eletrônica Paulista de Matemática, 2023
Este trabalho apresenta um estudo sobre uma equação que relaciona a soma e o produto de números naturais. Como encontrar soluções para essa equação pode ser desafiador, focamos em três casos particulares para simplificar a análise e explorar vários métodos para encontrar soluções.
Fernando Soares de Carvalho   +1 more
openaire   +2 more sources

Ionic Channels as Potential Therapeutic Targets for Erectile Dysfunction: A Review

open access: yesFrontiers in Pharmacology, 2020
Erectile dysfunction (ED) is a prevalent condition, especially in men over 40 years old, characterized by the inability to obtain and/or maintain penile erection sufficient for satisfactory sexual intercourse. Several psychological and/or organic factors
Anderson Fellyp Avelino Diniz   +3 more
doaj   +1 more source

Perfil do consumidor e oscilações de preços de produtos agroecológicos. [PDF]

open access: yes, 2011
Em todo o mundo, o consumo de alimentos naturais tem aumentado significativamente, e o termo “orgânico” tem se destacado. Em face disto, buscou-se conhecer o perfil do consumidor de alimentos orgânicos, no município de Goiânia (GO), bem como saber quais ...
Almeida, Gustavo Queiroz Evangelista de   +5 more
core   +3 more sources

Produtos naturais: atualidade, desafios e perspectivas [PDF]

open access: yesQuímica Nova, 2002
This article offers an overview on the historical facts and the recent state of art of Chemistry of Natural Products which, in the course of 25 years of SBQ, have led to the present development of this area in Brazil. In addition, this article deals with the last trends on Natural Products in Brazil and also in developed countries.
Pinto, Angelo C.   +4 more
openaire   +4 more sources

Physicochemical and spectroscopical investigation of Pequi (Caryocar coriaceum Wittm.) pulp oil

open access: yesGrasas y Aceites, 2010
This work describes the physicochemical characterization of the fruit pulp oil of Caryocar coriaceum (Wittm), “pequi.” The chemical composition was assessed by GLC, which demonstrated the following fatty acid contents: oleic (55.79%), palmitic (34.18 ...
Diniz M. Sena   +6 more
doaj   +1 more source

Determination of functional compounds in blue shark (Prionace glauca) liver oil obtained by green technology

open access: yesGrasas y Aceites, 2020
The objectives of this research were to obtain blue shark liver oil using supercritical CO2 and to characterize the physicochemical parameters of the oil, and the contents of squalene and vitamin A.
D. N. Santos   +4 more
doaj   +1 more source

First Records of Heartbeats via ECG in a Stingless Bee, Melipona flavolineata (Apidae, Meliponini), during Contention Stress Using Isoflurane as an Anesthetic

open access: yesInsects, 2023
The hemodynamic activity of Melipona flavolineata workers was evaluated during restraint stress for a period of 30 min. The observed parameters were power variation in the elapsed time, and subsequently, six periods of one second were divided and called ...
Felipe Andrés León Contrera   +8 more
doaj   +1 more source

Antioxidantes naturais em produtos cárneos [PDF]

open access: yesPubvet, 2016
The lipid oxidation results in changes in the desirable sensory characteristics of fresh beef and meat food and is also linked to potential health hazards, such as heart disease, strokes and cancer. The addition of antioxidants is more common practice to increase the stability of lipids, and, recently, research has intensified the search for natural ...
openaire   +1 more source

Os produtos naturais e a química medicinal moderna [PDF]

open access: yesQuímica Nova, 2006
Natural products have been utilized by humans since ancient times and the relief and cure of their diseases was the first purpose for using natural products in medicine. The history of the oriental and occidental civilizations is very rich in examples of the utilization of natural products in medicine and health care.
Viegas Jr., Cláudio   +2 more
openaire   +5 more sources

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