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Effects of Nitrogen and Phosphorus on the Growth and Fatty Acid Composition of Ulva pertusa Kjellman (Chlorophyta)
The effects of nutrient levels, of nitrogen (0, 0.01, 1.5, and 15 mM as nitrate) and phosphorus (0, 1, 75, and 750 μΜ as phosphate) on the growth and qualitative fatty acid composition of the greenExpand
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The Fatty Acid Composition of Seaweeds Exposed to Different Levels of Light Intensity and Salinity
Three seaweeds Ulva pertusa (Chlorophyta), Grateloupia sparsa (Rhodophyta) and Sargasswn piluliferum (Phaeophyta) were exposed to combinations of 2 light intensities (15 and 60 μΕ m" s") and 3Expand
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Determination of acid phosphatase in biological fluids using a new substrate, 2,6-dichloro-4-nitrophenyl phosphate.
A new substrate, 2,6-dichloro-4-nitrophenyl phosphate (DCNP-P), is used for the determination of acid phosphatase (EC 3.1.3.2) in serum and urine. It was hydrolyzed by acid phosphatase toExpand
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Biosynthesis of fatty acids in Tilapia zillii and the puffer fish.
The biosynthesis of fatty acids from acetate1-14C, linoleic acid-l-14C, and linolenic acid-114C was examined on Tilapia zillii. Also, the bioconversion of linoleic acid-l-14C to highly unsaturatedExpand
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New enzymatic determination of sialic acid in serum.
This enzymatic method for determination of sialic acid involves use of neuraminidase (EC 3.2.1.18), N-acetylneuraminate lyase (EC 4.1.3.3), acylglucosamine 2-epimerase (EC 5.1.3.8),Expand
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Structures of the asparagine-linked sugar chains of human chorionic gonadotropin from a patient with extragonadal germ cell tumour.
Human chorionic gonadotropin (hCG) purified from the urine of a male patient with extragonadal germ cell tumour contained four asparagine-linked sugar chains in one molecule. The sugar chains wereExpand
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OH Radical Reaction of 5-Substituted Uracils: Pulse Radiolysis and Product Studies of a Common Redox-Ambivalent Radical Produced by Elimination of the 5-Substituents
Using a redox titration method in the pulse radiolysis of N2O-saturated phosphate buffer solution, the redox properties of the intermediate radicals derived from OH radical reactions of 5-substitutedExpand
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N(1)-C(5')-linked dimer hydrates of 5-substituted uracils produced by anodic oxidation in aqueous solution.
Electrochemical dimerization reactivity has been studied for 5-substituted uracils (5XU) including thymine (1a: X = Me) and 5-halouracil derivatives (1b: X = F; 1c: X = Cl; 1d: X = Br; 1e: X = I).Expand
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Product and pulse radiolysis studies on radical-ion splitting of N(1)-C(5')-linked dimer hydrates of 5-substituted uracils by one-electron reduction in anoxic aqueous solution.
Steady-state gamma-radiolysis, pulse radiolysis, and cyclic voltammetry have been performed to identify the mechanism by which N(1)-C(5')-linked homodimer hydratesExpand
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Determination of alpha-amylase using a new blocked substrate (3-ketobutylidene beta-2-chloro-4-nitrophenyl-maltopentaoside).
A new substrate, 3-ketobutylidene beta-2-chloro-4-nitrophenylmaltopentaoside (3KB-CNPG5), was used for the determination of alpha-amylase (EC 3.2.1.1) in serum and urine. Under this alpha-amylaseExpand
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