The determination of ascorbic acid in whole blood and urine through the 2,4-dinitrophenylhydrazine derivative of dehydroascorbic acid
Joseph H. Roe,Carl A. Kuether +1 more
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This article is published in Journal of Biological Chemistry.The article was published on 1943-02-01 and is currently open access. It has received 1689 citations till now. The article focuses on the topics: Ascorbic acid & Dehydroascorbic acid.read more
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A New Diazo Method for the Determination of Ascorbic Acid in Blood Plasma
G. Michaëlsson,M. Michaëlsson +1 more
TL;DR: In this paper, a new method for the determination of ascorbic acid in plasma is described, based on a colour reaction not hitherto known between the zinc chloride double salt of diazotized 4-nitroaniline-2,5-dimethoxy-anilines and ascorbinic acid.
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Plasma Ascorbic Acid Levels of Chicks with Fowl Typhoid
C. H. Hill,Henry W. Garren +1 more
TL;DR: Ascorbic acid, not usually considered a dietary essential for chicks, has been found to stimulate growth under certain conditions (Briggs et al., 1944; March and Biely, 1953) and Hill and Garren (1955) have shown that ascorbic acid increased resistance of chicks to fowl typhoid when fed with other vitamins as mentioned in this paper.
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Oxidative changes in brain of aniline-exposed rats.
TL;DR: Significant increases in superoxide dismutase isozyme activities and formation of thiobarbituric acid reactive material along with depletion of ascorbic acid and non-protein sulfhydryl content suggest impairment of antioxidant defenses 24 h after single exposure to aniline vapors for 10 min.
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Nicotine and cigarette smoke modulate Nrf2-BDNF-dopaminergic signal and neurobehavioral disorders in adult rat cerebral cortex.
TL;DR: The data strongly suggest that the intervention of DA and BDNF, and depletion of antioxidants are important factors during nicotine/CS-induced cerebral cortex pathological changes leading to neurobehavioral impairments, which could underpin the novel therapeutic approaches targeted at tobacco smoking/nicotine’s neuropsychological disorders including cognition and drug addiction.
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Spectrophotometric determination of vitamin C in citrus fruits using peri-naphthindan-2,3,4-trione
TL;DR: In this article, a spectrophotometric method for the determination of vitamin C in lemon, orange, and grapefruit juices is described, which is based on the reaction with peri-naphthindan-2,3,4-trione hydrate at pH 3 to give dihydroxy-peri naphthinone which is dissolved in methanol and measured at 460 nm.
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