The highly exoergic nucleophilic substitution reaction F(-) + CH3I shows reaction dynamics strikingly different from that of substitution reactions of larger halogen anions. Over a wide range of collision energies, a large fraction of indirect scattering via a long-lived hydrogen-bonded complex is found both in crossed-beam imaging experiments and in direct chemical dynamics simulations. Our me...

Objective: To measure the energy expenditure (EE) of critically ill patients and to determine the adequacy of energy intake in terms of nitrogen balance. Research Methods & Procedures: Indirect calorimetry was performed in 17 critically ill patients under mechanical ventilation in order to calculate EE, and 24 h urinary nitrogen excretion was determined in order to calculate the nitrogen balanc...

Weight-controlling can be supported by a proper prescription of energy intake. The individual energy requirement is usually determined through resting energy expenditure (REE) and physical activity. Because REE contributes to 60-70% of daily energy expenditure, the assessment of REE is very important. REE is often predicted using various equations, which are usually based on the body weight, he...

Skeletal changes in pregnancy and lactation 253 fed rats. The spleens of rats with lower calcium intakes showed a weight gain during gestation which disappeared during the subsequent lactation. 7. Fertility of the dam and mothering instinct were not impaired, even in severe calcium deficiency. The weight of the young at birth and the number of young in a litter were not affected by the level of...

OBJECTIVE Metabolic rate is poorly understood in advanced kidney disease because direct measurement is expensive and time-consuming. Predictive equations for resting energy expenditure (REE) are needed based on simple bedside parameters. Algorithms derived for normal individuals may not be valid in the renal population. We aimed to develop predictive equations for REE specifically for the dialy...

OBJECTIVE The rate of weight gain in preterm infants who are exposed to music seems to improve. A potential mechanism could be increased metabolic efficiency; therefore, we conducted this study to test the hypothesis that music by Mozart reduces resting energy expenditure (REE) in growing healthy preterm infants. DESIGN. A prospective, randomized clinical trial with crossover was conducted in 2...

BACKGROUND In epidemiological research, physical activity is usually assessed by questionnaires. Questionnaires are suitable for large study populations since they are relatively inexpensive and not very time consuming. However, questionnaire information is by definition subjective and prone to recall bias, especially among elderly subjects. The Modified Baecke Questionnaire, developed by Voorr...

BACKGROUND Recommendations for energy intake in obese children rely on accurate methods for measuring energy expenditure that cannot be assessed systematically. OBJECTIVE The aim was to establish and validate new equations for predicting resting energy expenditure (REE), specifically in obese children. DESIGN REE (indirect calorimetry) and body composition (bioelectrical impedance analysis)...

OBJECTIVE To investigate the energy expenditure (EE) of Korean young adults based on activities refined to a deskbound lifestyle. METHODS Sixty-four healthy office workers aged between 25 and 46 years participated in this study. EE was expressed as metabolic equivalent of task (MET). Participants were evaluated in terms of their EE during physical activities of sleeping (n=22), typing (n=37),...