• Publications
  • Influence
Biochemistry of normal and irradiated strains of Hymenolepis diminuta.
Abstract Procedures are described for obtaining uniform infections of Hymenolepis diminuta in rats, and for preparing random samples of this parasite for analysis or in vitro metabolic studies. BestExpand
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Osmolality of blood and intestinal contents in the pig, guinea pig, and Ascaris lumbricoides.
It is confirmed that the small intestine of the pig has contents which are hypertonic to both pig serum (I) and the hemolymph (II) of the parasite Ascaris lumbricoides. With starved pigs (in the ab...
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The rat as a model for physical fitness studies
Abstract 1. 1. Exercise programs for training rats are tabulated to show different regimens and the adaptations they produce. 2. 2. Listed are 7, 13, 45, and 53 programs for weight lifting combinedExpand
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Maintenance of Ascaris lumbricoides in vitro: a biochemical and statistical approach.
The anaerobic carbon dioxide production of minced ascaris muscle decreases markedly when worms are kept in vitro for 3 days. Using this gas production as an index, and a factorial design, the effectsExpand
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MAINTENANCE OF ASCARIS LUMBRICOIDES IN VITRO. 3. CHANGES IN THE HYDROSTATIC SKELETON.
  • R. Harpur
  • Biology, Medicine
  • Comparative biochemistry and physiology
  • 1 September 1964
Abstract 1. 1. The average internal pressure of Ascaris lumbricoides , collected in the abattoir, was 69 mm Hg. This pressure dropped during transportation but was restored by leaving the worms inExpand
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Relations Between Acetylcholine Synthesis and Metabolism of Carbohydrates and d-Glucosamine in the Central Nervous System
THE part played by carbohydrates in the synthesis of acetylcholine in animal tissues is at present far from clear. It was first shown by Quastel, Tennenbaum and Wheatley1 that the formation of freeExpand
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THE FATE OF PHENOTHIAZINE IN THE GASTROINTESTINAL TRACT OF THE SHEEP
The methods for estimating phenothiazine and phenothiazone in biological materials have been investigated. It has been shown that when phenothiazine, or phenothiazone is treated with bromine (underExpand
  • 12
THE DISTILLATION, EXTRACTION, AND CHROMATOGRAPHIC SEPARATION OF THE C2–C8 FATTY ACIDS
Thirty-five milliliters of an aqueous solution containing 5 to 70 micromoles of volatile C2 to C8 acids was distilled to constant volume without refluxing. The distillate was titrated, made alkaline,Expand
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MAINTENANCE OF ASCARIS LUMBRICOIDES IN VITRO. II. CHANGES IN MUSCLE AND OVARY CARBOHYDRATES.
  • R. Harpur
  • Biology, Medicine
  • Canadian journal of biochemistry and physiology
  • 1 August 1963
The possibility of using carbohydrate determinations to assess the nutritional state of the intestinal nematode, Ascaris lumbricoides, is discussed and investigated. For fresh material the followingExpand
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Intestine of Ascaris: oxygen consumption, fermentation acids, and anaerobic synthesis of protein.
The oxygen uptakes by pieces of gut from the porcine roundworm, Ascaris suum, under Po2 10 to 710 torr were from 0.6 to 3.0 mul/mg dry wt/hr (Qo2). Increasing concentrations of tissue, 30 to 90 mgExpand
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