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At least 1,009 records · Page 56Linked to original sources
PubMed1975

Viscosity and gelation studies in deer hunting hemoglobins.

Sickling, viscosity and gelling properties of the red cells and the hemoglobins of three Virginia white-tailed deer homozygous for types II and III (the sickling types) and V (the nonsickling type), respectively, have been analyzed. The sickling of erythrocytes of deer with type II or III is inhibited by urea and cyanate at concentrations which are comparable to those used in in vitro studies of red cells from patients with sickle cell anemia. No differences were observed between the viscosities of the three deer hemoglobin types at temperatures of 12 degrees C or above. High concentrations of deer hemoglobin types II and III gelled at 1 degree C and at pH values of 7.4-7.7; the minimum gelling concentration of type II was 33.5 g% and of type III was 38 g%. Gel formation was not observed at pH values between 6.7-7.1. Hemoglobin type V did not gel and prevented the formation of gels of type II and III in mixtures at pH 7.6-7.7.

Anemia, Sickle Cell↗
PubMed2006

Essential and non-essential elements in eight tissue types from subsistence-hunted bowhead whale: nutritional and toxicological assessment.

OBJECTIVES: To assess essential/non-essential elements in bowhead whale. STUDY DESIGN: Analyzes of tissues for key elements and comparing them to published food guidelines. METHODS: Using national and international guidelines calculate percent (%) "Recommended Daily Allowance" of essential elements in 100 g portion of bowhead tissues. For non-essential elements, determine maximal tissue consumption based on average element concentrations and provisional tolerable weekly intake; and minimal risk level. RESULTS: Liver and kidney are rich in essential/non-essential elements and have the greatest concentration of cadmium (Cd) among tissues studied, while mercury (Hg), lead (Pb) and arsenic (As) are relatively low. Kidney of bowhead whale is consumed in very limited amounts (limited tissue mass compared to muscle and maktak); liver is consumed rarely. Other tissues, except blubber, are excellent sources of many essential elements, without the abundance of liver and kidney Cd. CONCLUSIONS: Renal Cd concentrations are most restrictive for consumption on a tissue mass basis. Better understanding of Cd bioavailability, food processing, and actual consumption rates and patterns, are critical to providing improved guidance. Compared to store-bought meat, bowhead whale had comparable concentrations of elements in the tissues studied, with a few noted differences. The occasional blubber substitute, Crisco, was nearly devoid of trace element content.

Adipose Tissue↗
PubMed2001

The evolution of inefficiency in a simulated stag hunt.

We used genetic algorithms to evolve populations of reinforcement learning (Q-learning) agents to play a repeated two-player symmetric coordination game under different risk conditions and found that evolution steered our simulated populations to the Pareto inefficient equilibrium under high-risk conditions and to the Pareto efficient equilibrium under low-risk conditions. Greater degrees of forgiveness and temporal discounting of future returns emerged in populations playing the low-risk game. Results demonstrate the utility of simulation to evolutionary psychology.

Algorithms↗
PubMed1997

Peripheral neuropathy and connective tissue disease. Watch for this twosome when hunting for a diagnosis.

Coexistent peripheral neuropathy and connective tissue disease is fairly common, possibly because immune-mediated factors are often present in both disorders. Awareness of the association between the two conditions can be important during diagnostic evaluation, because neuropathy is sometimes the presenting feature of previously unrecognized connective tissue disease. In this article, the authors examine clinical findings in vasculitic, nonvasculitic, and treatment-related neuropathy, concentrating on the essentials of diagnosis and treatment.

Connective Tissue Diseases↗
PubMed1965

BRUCE ATLEE HUNT.

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Australia↗