Results 291 to 300 of about 5,611,755 (345)
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Detection of Peroxynitrite in Biological Fluids
2003Peroxynitrite (ONOO(-)) is both an oxidant and a nitrating agent (1-3). However, unlike other strong oxidants, peroxynitrite reacts selectively with biological targets. This selectivity is derived in part from the different second-order rate constants (vary from 10(3)-10(6) M (-1) s(-1)) by which ONOO(-) reacts with biological targets.
S, Malcolm +3 more
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Assay of hydroxyfarrerol in biological fluids
Journal of Chromatography A, 1990A high-performance liquid chromatographic method for the determination of hydroxyfarrerol (IdB 1031) in biological samples was developed. IdB 1031 was first extracted by liquid-solid partition and the extracts were evaporated and analysed on a reversed-phase column under isocratic conditions, using either an electrochemical or a UV detector.
A, Marzo +4 more
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Analyzing Hyaluronidases in Biological Fluids
2019Hyaluronidases are a group of enzymes responsible for the degradation of hyaluronan. They seem to be associated with a plethora of pathological conditions, as it has been showcased by numerous studies over the past years. The emerging role of hyaluronidases in various pathological states, especially cancer, is of a great interest.
Christos, Velesiotis +2 more
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Estimation of decamethonium in biological fluids
Experientia, 1961Les auteurs ont modifie la methode de dosage de sels de methonium, proposee dans leur travail precedent, pour rendre possible son application a la recherche du C10 dans les serums et les urines. Cette methode est rigoureusement specifique pour la determination du decamethonium dans le serum entre 100 e 500γ/ml mais moins specifique pour les urines.
G, MORICCA +3 more
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Colloidal stability and degradability of silica nanoparticles in biological fluids: a review
Journal of Sol-Gel Science and Technology, 2022Andressa da Cruz Schneid +5 more
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Measurement of peptidoleukotrienes in biological fluids
Journal of Applied Physiology, 1990Samples of human bronchoalveolar lavage fluid (BALF) and urine were utilized to demonstrate methods for quantitation and validation of leukotrienes (LTs). These methods utilize an enzyme immunoassay (EIA) that uses commercially available reagents, the antibody recognizing LTC4, LTD4, LTE4, and N-acetyl LTE4. BALF containing epithelial lining fluid was
J Y, Westcott +4 more
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Measuring MIF in Biological Fluids
2019MIF is a key regulator of host immune responses and increased levels secreted from cells, or found circulating systemically, have been implicated in the pathogenesis of many inflammatory and autoimmune disorders. Here, we describe methods for detecting and quantifying extracellular concentrations of MIF in both human- and murine-derived biological ...
Fabien B, Vincent, Tali, Lang
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Measurement of dimethylglycine in biological fluids
Analytical Biochemistry, 1985The method of quantitating N,N-dimethylglycine involves cation-exchange high-performance liquid chromatography and detection of dimethylglycine with dimethylglycine dehydrogenase. Dimethylglycine was added to plasma and urine and samples were assayed for dimethylglycine.
Porter, DH, Lin, M, Wagner, C
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Measurement of Glucocorticoids in Biological Fluids
2013Liquid chromatography tandem mass spectrometry (LC-MS/MS) is rapidly becoming the method or choice for measuring glucocorticoids due to significant interferences in traditional immunoassays by structurally related endogenous and exogenous steroids. The technique also lends itself to the measurement of more than one analyte during an analytical run ...
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Measurement of Glucocorticoids in Biological Fluids
2006The background to the physiological production of glucocorticoids is described as well as their concentrations in some biological fluids. Detailed methods are described for the collection, storage, and preparation of samples and for the immunoassay techniques for some common steroids in serum, urine, and saliva.
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