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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 206 for “"vitamin A"”.
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Factors influencing vitamin a secretion in macrophages
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Rumeno-Reticular Losses of Vitamin a and Carotene
Made available in DSpace on 2014-12-05T17:47:52Z (GMT). No. of bitstreams: 1 6305111.pdf: 5702565 bytes, checksum: ab7fa71a5803ab16cb9f7268254e213c (MD5) Previous issue date: 1963
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Vitamin A and glycoproteins of rat corneal epithelium
… intestinal mucosa was depressed significantly in vitamin A deficiency (De Luca et al ., 1970). A very similar pattern to the intestinal glycopeptide pattern was obtained from the rat corneal epithelium; namely, the glycopeptide affected by vitamin A was eluted with 0.4 N LiCl solution by a …
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The effect of vitamin A on plasma glycoproteins
… into the plasma glycoproteins was studied in vitamin A-deficient rats by comparison with the plasma of normal pair-fed controls. Preliminary studies indicated that peak incorporation (specific activity) was reached three hours after intraperitoneal injection with labelled sugar in both vitamin …
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Vitamin A depletion and repletion in thoroughbred horses
The purpose of this research was to study vitamin A status in grazing horses throughout the year and to evaluate the effectiveness of vitamin A and β-carotene as supplements. Vitamin A status was assessed by serum retinol concentrations (SR) and the relative dose response (RDR) which was adapted …
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Studies of the Metabolism of Vitamin a - 9,10-Carbon-14 Acetate and the Effect of Vitamin a Deficiency on Cholesterol Biosynthesis
Made available in DSpace on 2014-12-05T17:47:46Z (GMT). No. of bitstreams: 1 6100220.pdf: 2705483 bytes, checksum: 60bed4f22c3d4dc488ecfb18d4bc7101 (MD5) Previous issue date: 1960
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Studies on the Function of Vitamin a in Metabolism
Made available in DSpace on 2014-12-05T17:47:31Z (GMT). No. of bitstreams: 1 0018163.pdf: 2189803 bytes, checksum: df831a23e3cf2dcd5f6e664a0bf778b9 (MD5) Previous issue date: 1956
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Radiobiochemical Studies on Function and Metabolism of Vitamin A
Made available in DSpace on 2014-12-05T17:47:40Z (GMT). No. of bitstreams: 1 6000249.pdf: 2429681 bytes, checksum: 903bac10b9dc3c3300c41f49e7fa184d (MD5) Previous issue date: 1959
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The Function of Vitamin a in Adrenal Steroid Production
Made available in DSpace on 2014-12-05T17:47:44Z (GMT). No. of bitstreams: 1 6004008.pdf: 2260586 bytes, checksum: fa8aa765fccbbb4522872dc40d8cbf41 (MD5) Previous issue date: 1960
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The effects of Vitamin A deficiency on lymphocyte transformation.
Thesis: M.S., Massachusetts Institute of Technology, Department of Nutrition and Food Science, 1977
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Vitamin A status of HIV-infected adults in South Africa
… as the USA have reported low serum or plasma vitamin A levels in adults with HIV disease. Limited data suggests that HIV-infected adults from developing countries show even lower vitamin A levels. Factors that contribute to a low vitamin A status include a poor intake, malabsorption and …
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A Histological method for the Biological estimation of Vitamin A
… physico-chemical and biological results of Vitamin A estimations, owing to the fact that "the analyst determines the proportion of a substance present, whilst the bioassayist determines the effect"
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Effects of hexachloronaphthalene on vitamin A metabolism in the rat
… in vivo the effect of hexachloronaphthalene in vitamin A metabolism in the rat. The status of vitamin A in the animal was determined by tissue analysis for the vitamin and by visual observation for symptoms of vitamin A deficiency. Four studies were made. The effects of dietary …
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Humoral and cell-mediated immunity in vitamin A-deficient lambs
… concentrations were measured in control (Con), vitamin A-deficient (A-def), and vitamin A-repleted (A-rep) lambs. In Trial, I ewe lambs were injected with primary and secondary antigenic challenges of ovalbumin (1mg) and lysozyme (.1mg). The A-def lambs were then repleted with vitamin A and all …
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FACTORS AFFECTING THE VITAMIN A AND ß-CAROTENE CONTENTS OF MILK
The factors affecting the vitamin A and s-carotene contents of milk were investigated. A series of short- and long-term experiments were conducted using the University of Saskatchewan dairy herd and Saskatoon commercial fluid milk, respectively. The vitamin A potency of the milk was significantly …
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The Ultrastructure of the Choroid Plexus in Vitamin A Deficient Rabbits
… fire structure of the lateral choroid plexus in vitamin A deficient hydrocephalic New Zealand white rabbits has been studied with the aid of both light and electron microscopy.</p> <p>A special Vitamin A deficient diet was fed to all rabbits and control rabbits in addition received orally 12,500 …
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Examining the role of extracellular vesicles in macrophage vitamin A release
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
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