Kristina Knudson

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Microcrystalline cellulose (Avicel) was subjected to three different pretreatments (acid, alkaline, and organosolv) before exposure to a mixture of cellulases (Celluclast). Addition of beta-glucosidase, to avoid the well-known inhibition of cellulase by cellobiose, markedly accelerated cellulose hydrolysis up to a ratio of activity units(More)
Evidence to date suggests an inhibitory role for serotonin (5-HT) in the regulation of feeding behavior. In the present study, hypothalamic 5-HT was investigated for its anorexic potency under different feeding conditions. In fasted rats, 5-HT (1.1-4.4 micrograms) injected into the hypothalamic paraventricular nucleus (PVN), produced a reliable(More)
We compared the effect of breathing dry air (0.70 mg H2O/l) with that of breathing room air (8.62 mg H2O/l) in guinea pigs anesthetized with urethane. The data showed that breathing dry air caused a reduction of extravascular water (EVW) in the trachea (P less than 0.01) but not the lung. Structural analysis showed that this water loss occurred from the(More)
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