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Journals and Conferences
Protoplasts were isolated from tissue fragments (<1 mm2) of three Philippine cultivars of Kappaphycus alvarezii: the giant cultivar, cultivar L and Bohol wild type, by enzymatic dissolution of cell walls. Yields of viable protoplasts from young and old thalli (apical, middle, basal segments) were compared at various temperatures, duration of treatment and… (More)
The effects of L-tryptophan, L-kynurenine, 3-hydroxy-L-kynurenine, ascorbate, some amino acids, 5-hydroxy-L-tryptophan, anthranilate, sodium bisulfite, EDTA, divalent ions and ionic strength on purified liver arylformamidases of rainbow trout and cattle were investigated.
Flow cytometry is a potentially efficient approach for the quantification of parasitemias in experimental malaria infections and drug susceptibility assays using rodent malaria models such as Plasmodium berghei. In this study, we used two red DNA-binding fluorochromes, rhodamine 800 (R800) and LD700, to measure parasitemia levels in whole blood samples from… (More)
1. In rainbow trout, 3HAA activity was comparable with those of terrestrial animals; 3HAA:PC activity ratio suggests ineffective conversion of tryptophan to niacin. 2. Inactivation as well as reactivation under different conditions was investigated. 3. Some characteristics of the enzyme extract were studied with the aim of optimizing assay in fish.
This study aims to determine the effects of pH on the activity of the three digestive enzymes namely α-amylase, cellulase and protease in the crystalline style of the angelwing clam, Pholas orientalis. Laboratory assay of the three enzymes were also optimized to establish routine assay methods. α-Amylase activity increased from pH 3.0 and peaked at pH… (More)
1. Arylformamidases were purified from the liver of rainbow trout and cattle. 2. Optimal pH's were 7.7 and 8.0 for the fish and cattle enzyme, respectively. Both enzymes showed optimum temperature at 40 degrees C. Thermal and pH stability ranges and Arrhenius plots of the enzymes differed. 3. Km and molecular weight of the fish enzyme were determined to be… (More)