Results 1 to 10 of about 40,789 (197)
Ultramicrovaloración potenciométrica de sulfatoferroso amoniacal con tres diferentes oxidantes
Educación Química, 2018 En el presente trabajo se presenta la técnica de Ultramicrovaloración Potenciométrica (volumen por valorar de 0.2 mL), de sulfato ferroso amoniacal con tres diferentes sistemas oxidantes, dicromato de potasio, permanganato de potasio y sulfato cérico ...
Yazmín Ivett Valencia Ahedo +2 more
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Oxidantes en el humo del cigarro y enfermedades cardiopulmonares
Revista Cubana de Medicina, 2003 Se sabe que el humo del cigarro afecta numerosos órganos y causa diversas enfermedades, los sistemas particularmente dañados son el cardiovascular y el pulmonar, por el alto estrés oxidativo impuesto por las especies reactivas de oxígeno y nitrógeno que ...
Alfredo Gutiérrez Maydata
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Odontoestomatología, 2022 Introducción:La hiperglicemia inhibe la neoformación ósea, potencia la reabsorción y altera la oseointegración(1). Numerosos reportes muestran que la hiperglicemia induce estrés oxidativo celular, se producen especies oxidantes y radicales libres que ...
MARIA CARMEN SUÁREZ AROCENA +2 more
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Pigment molecular composition reveals significant information for visual communication
Functional Ecology, Volume 36, Issue 11, Page 2756-2762, November 2022., 2022 Read the free Plain Language Summary for this article on the Journal blog. Abstract Melanins are the most common pigments in vertebrates and, as such, fufill multiple adaptive functions, including honest signalling. This is the case of male pied flycatchers Ficedula hypoleuca, whose dorsal plumage, composed of black and grey feathers pigmented by ...
Ismael Galván
wiley +1 more source
Cuerpos lipídicos y estrés oxidante
Tequio, 2022 Oxidative stress is a characteristic of cell damage in various diseases since one of its primary effects is lipid peroxidation, with the consequent generation of toxic aldehydes and ketones. For their part, lipid droplets are ubiquitous and highly conserved cellular organelles responsible for storing neutral lipids.
Norma Serrano García +1 more
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Deficiencia de vitamina D, estrés oxidante y enfermedad
Tequio, 2022 The active form of vitamin D, 1α,25- dihydroxyvitamin D3 [1α,25(OH)2D3], is a steroid hormone whose biological actions are mediated through the vitamin D receptor (VDR). Globally, its deficiency is a major public health problem and is mainly due to insufficient exposure to sunlight. It is estimated that 50% of the world’s population has vitamin D
Joselyn Rojas Guadarrama +2 more
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Short communication: Clinical evaluation of pea sprout extract in the treatment of hair loss
Phytotherapy Research, Volume 34, Issue 2, Page 428-431, February 2020., 2020 Hair loss affects millions of people worldwide, but currently available treatment options are often dissatisfying due to side effects or limited efficacy. Pea sprout extract has been shown to improve hair density when applied topically, but its mode of action and effectiveness upon oral administration remain unknown.
Torsten Grothe +2 more
wiley +1 more source
Aumento do estresse oxidativo em pré-escolares expostos ao tabagismo passivo
Jornal de Pediatria, 2011 OBJETIVOS: Estudar o efeito do fumo passivo sobre o estado plasmático oxidativo e antioxidativo em pré-escolares fumantes passivos e compará-los com controles.
Faruk Yıldırım +4 more
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Memorias do Instituto Oswaldo Cruz, 1914 Fermentos oxidantes-Fermentos oxidantes diretos e indiretos. Peroxidases e catalases-Localização desses fermentos-Distribuição desses fermentos nos organs dos animais são e dos infectados por tuberculose cronica.
A. Fontes, A. Pinto Junior
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Ciencia y Tecnología Agropecuaria, 2021 La piscicultura altera los sedimentos y la microbiota en cuerpos de agua debido a los residuos de concentrados, sustancias químicas y desechos provenientes del metabolismo de los animales en producción.
Elizabeth Burbano-Gallardo +5 more
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