Results 251 to 260 of about 245,355 (304)

Malondialdehyde measurement in urine

Journal of Chromatography B: Biomedical Sciences and Applications, 1994
Malondialdehyde (MDA) is an end product of lipid peroxidation and is a frequently measured index of these processes. The thiobarbituric acid (TBA) test is commonly used to measured MDA, but its specificity is questionable due to the presence of interfering chromogens.
M, Guichardant, L, Valette-Talbi, C, Cavadini, G, Crozier, M, Berger   +4 more
openaire   +2 more sources

Decreased malondialdehyde levels in fish (Astyanax altiparanae) exposed to diesel: Evidence of metabolism by aldehyde dehydrogenase in the liver and excretion in water.

Ecotoxicology and Environmental Safety, 2020
Increased malondialdehyde (MDA) levels are commonly considered an indicator of lipid peroxidation derived from oxidative stress insults promoted by exposure of fish to pollutants.
D. Garcia, D. Lima, D. G. H. da Silva, E. A. de Almeida   +3 more
semanticscholar   +1 more source

Malondialdehyde: A Possible Marker of Ageing

Gerontology, 2002
<i>Background:</i> Numerous recent studies have suggested that oxidative damage may be important in the ageing process, and lipid peroxidation is an important biological consequence of oxidative cellular damage. <i>Objective:</i> The aim of this work was to analyze the activities of the two protective enzymes, superoxide ...
Gil, P., Fariñas, F., Casado Moragón, Ángela, López-Fernández, M.E.   +3 more
openaire   +3 more sources

An indo investigation of the structure and bonding in malondialdehyde and lithium malondialdehyde

Journal of Molecular Structure, 1975
Abstract The geometries of the enol forms of malondialdehyde and its lithium analog have been investigated using the INDO MO method in its original parametrization. The former molecule is predicted to have a planar, symmetric structure nearly identical with that of acetylacetone.
F.J. Marsh, B.G. Thomas, M.S. Gordon
openaire   +1 more source

Effects of malondialdehyde‐induced protein oxidation on the structural characteristics of rice protein

International Journal of Food Science & Technology, 2020
Malondialdehyde (MDA) was selected to represent a secondary by‐product of lipid peroxidation during rice ageing. This study aimed to investigate the effects of MDA modification on the structural characteristics of rice protein. The results showed that as
Fang Li, Xiaojuan Wu, Wei Wu
semanticscholar   +1 more source

Malondialdehyde Derivatives in Urine

1988
Malondialdehyde (MDA) excretion in rat urine is responsive to peroxidation of dietary lipids and to factors which increase lipid peroxidation in vivo: vitamin E deficiency and administration of iron, CCI4 or adriamycin. Urinary MDA is also increased by administration of the lipolytic hormones ACTH and epinephrine and by fasting, particularly when the ...
H H, Draper, M, Hadley
openaire   +2 more sources

Unequivocal demonstration that malondialdehyde is a mutagen

Carcinogenesis, 1983
Malondialdehyde (MDA), a product of lipid peroxidation and prostaglandin biosynthesis, has been reported to be mutagenic and carcinogenic. Recent evidence suggests, however, that strongly mutagenic impurities are generated during the preparation of MDA that may contribute to the observed biological activity.
A K, Basu, L J, Marnett
openaire   +2 more sources

Effect of malondialdehyde on nitrosamine formation

Food and Cosmetics Toxicology, 1980
Abstract Several aldehydes associated with foodstuffs were investigated for their effect on the formation of N-nitrosodimethylamine and N-nitrosodiethylamine. Whereas glucose, furfural, benzaldehyde and glyoxal had little influence on nitrosamine formation, malondialdehyde, which can be derived from lipids by peroxidation, greatly influenced the ...
T, Kurechi, K, Kikugawa, M, Ozawa
openaire   +2 more sources

Ascorbate and malondialdehyde in stroke patients

Irish Journal of Medical Science, 1994
It is believed that free radical formation and subsequent oxidative damage in the form of lipid peroxidation may be a factor in the cerebral damage secondary to the ischaemia of a cerebrovascular accident (CVA). Total serum ascorbate and malondialdehyde (MDA) were measured in 45 patients with CVA on the day of admission to hospital (Time 0) and 48 ...
P C, Sharpe, C, Mulholland, T, Trinick
openaire   +2 more sources

Mild and selective labeling of malondialdehyde with 2-aminoacridone: assessment of urinary malondialdehyde levels

The Analyst, 2011
Malondialdehyde (MDA) has become a well-established biomarker for oxidative stress. The most commonly used way to determine urinary MDA levels is the thiobarbituric acid (TBA) assay, which suffers from several drawbacks. In this manuscript, we describe a novel derivatization strategy for the highly sensitive and selective fluorescence-based ...
Giera, M., Kloos, D.P., Raaphorst, A., Mayboroda, O.A., Deelder, A.M., Lingeman, H., Niessen, W.M.A.   +6 more
openaire   +4 more sources