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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 108 (1986), S. 5531-5536 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 50 (1978), S. 1032-1040 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 50 (1978), S. 958-962 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 15 (1978), S. 205-212 
    ISSN: 1432-0428
    Keywords: Growth hormone ; somatotrophic diabetes ; diabetes ; glucagon ; arginine ; serum insulin ; immunoreactive insulin ; hyperinsulinaemia ; insulin secretion ; insulin-secretory responses ; augmentation of insulin secretion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Growth hormone injected daily in 6 dogs for 6 days caused a 20-fold elevation in fasting serum immunoreactive insulin (IRI) without appreciable change in serum glucose in 1 day. In the somatotrophic diabetes that occurred after 2 days, the hyperinsulinaemia was maintained and the serum IRI/glucose (I/G) ratio declined from the early high level but remained elevated. During this treatment, in response to glucose infusion, the rise in serum IRI above the initially high fasting level was 16 times the normal. In response to glucagon, the rise in IRI was twice the normal and the rise in glucose was more prolonged, resulting in a decline in the I/G ratio. In response to arginine infusion, the rise in serum IRI was 8 times the normal and the rise in the I/G ratio was twice normal. Following a meal, the rise in serum IRI was 8 times the normal. Thus, with growth hormone treatment the insulin secretory responses to these stimulating factors were magnified over the already elevated fasting level of secretion. The insulin content of the pancreas was reduced to less than 10% of normal by growth hormone treatment for 6 days, due apparently to elevation of the rate of secretion over the rate of formation of insulin.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 16 (1978), S. 29-34 
    ISSN: 1432-0630
    Keywords: 78.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The Doppler broadened lineshape is measured as a function of temperature for iron and vanadium; vacancies produce a strong trapping effect in γ-Fe, but a weak effect in V. Threshold temperaturesT t for trapping are 1280±25 and 1370±30 K. Empirical linear relationships betweenT t , self-diffusion energyQ SD and monovacancy formation energyH 1v F are discussed and used to determineH 1v F values for γ-Fe and V.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0942-0940
    Keywords: Head injury ; intracranial pressure ; metabolism ; nitrogen balance ; oxygen consumption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Both metabolic rate and protein catabolism are known to increase following severe head trauma, but the etiology of this hypermetabolism is unknown. To further investigate the problem, we studied the metabolism of 17 patients with indirect calorimetry who had severe craniocerebral trauma only and who required ICP monitoring for management. Patients were studied daily and immediately after ICP spikes greater than 20 mmHg, prior to treatment with hyperventilation, osmotic diuretics, or barbiturates. Oxygen consumption (VO2) was correlated with ICP. Two groups of patients were identified. Group I patients were treated with hyperventilation and osmotic diuretics while Group II patients additionally received cerebral metabolic depressants. Group I had a significant correlation coefficent between VO2 and ICP. Significant hypercatabolism early in the post trauma period was demonstrated by increased urine urea nitrogen. Our observations suggest that in patients with craniocerebral trauma, elevated ICP is associated with increased oxygen consumption, protein catabolism and systemic hypermetabolism. Cerebral metabolic depressants blunted increases in VO2 which were seen with elevated ICP.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 88 (1988), S. 6585-6593 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A new method which should have relatively general applicability for the identification and quantitative analysis of reactive adsorbed molecular intermediates in surface reactions will be described, and the first examples of its application will be presented. When a reactive intermediate is generated on a surface, it often has a tendency to dissociate before desorbing. Since dissociation generally requires additional free sites on the surface, dissociation can be suppressed and desorption correspondingly enhanced if the free sites on the surface can be properly poisoned. We have found that bismuth adatoms are very good inert site blockers, which can be postdosed to the surface of a transition metal containing a reactive adsorbed hydrocarbon without destroying the hydrocarbon. Whereas in the absence of bismuth, the hydrocarbon would completely dehydrogenate during thermal desorption spectroscopy (TDS) and liberate only H2 into the gas phase, after bismuth postdosing the reactive hydrocarbon desorbs intact for mass spectral identification and quantitative analysis. This method has been used to prove that adsorbed benzene is the initial product of the dehydrogenation of cyclohexane on Pt(111) at ∼235 K. In the absence of bismuth, this benzene all dissociates during TDS to liberate only H2, leaving graphitic carbon residue on the surface. When one-third monolayer of Bi is postdosed at 110 K, the dehydrogenation pathway is sterically poisoned and the adsorbed benzene quantitatively desorbs during TDS, where it is unambiguously identified by mass spectroscopy. By briefly heating the reactive adsorbed intermediate to increasing temperatures prior to Bi deposition, the thermal stability limits of the intermediate and the kinetic parameters for its dissociation can be established. This is demonstrated for the dehydrogenation reaction of adsorbed cyclopentene on Pt(111). Bismuth postdosing in thermal desorption mass spectroscopy (BPTDS) should be a very useful but inexpensive addition to surface analytical capabilities.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 43 (1978), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The effects of cooking method, reheating method and frozen storage on physical, chemical and palatability factors of restructured pork patties were evaluated over a period of 6 wk. Frozen restructured pork patties (25% fat) were cooked using a convection oven or an electric grill. Cooked patties were vacuum packaged and refrozen for subsequent reheating and evaluation initially and following storage periods of 2, 4 and 6 wk. Reheating devices employed were a microwave oven, a convection oven and an infrared oven. Samples cooked using the convection oven had greater moisture contents and higher 2-thiobarbituric acid (TBA) values than those patties cooked using the electric grill. Percent protein, fat, ash and cooking loss were greater for the electric grill treatment due to greater moisture loss. The TBA values increased to 2 wk of storage and then remained relatively stable. Cooked color was more acceptable initially than after 6 wk of storage. The control treatment, which was not reheated, had the lowest cooking loss and the infrared oven reheating treatment had the highest cooking loss. Taste panel evaluations were in the acceptable range both initially and after 6 wk of storage. Both cooking methods and all reheating methods also yielded acceptable products as evaluated by the taste panel. Cooking and reheating with convection ovens should be recommended if precooking and reheating of restructured pork is deemed necessary for fast food and institutional establishments. This procedure will yield an acceptable product with a lower cooking loss than any of the other cooking/reheating combinations studied. However, if time is of importance, reheating with microwave ovens may be considered although this method will yield a less juicy product with higher cooking losses.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 43 (1978), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Considerable research has been conducted in recent years on the accelerated method of pork processing, the processing of pork without carcass chilling. A limited amount of information exists regarding the emulsion properties of tissues handled in this manner. Alternate sides from 48 pork carcasses were processed in either an accelerated or conventional manner. Lean and fat tissue from the sides was incorporated in a standard frankfurter emulsion. Proximate analyses of the frankfurters prepared from the two forms of processed pork revealed no significant differences. Similarly, no differences were found for normal or severe cookout of finished frankfurters. Differences in emulsion stability values were not significant for total ml of loss per 100g emulsion (6.35 and 5.69, respectively, for accelerated and conventional). Accelerated processed frankfurters possessed greater (P 〈 0.01) gel/water loss (4.89 ml/g). than conventionally processed pork frankfurters (4.61 ml/g). The accelerated processed pork resulted in less fat loss (P 〈 0.05) than did the conventionally processed franks; and the accelerated pork emulsion percent solids (0.84 ml/g) was higher (P 〈 0.01) than the conventionally processed pork frankfurters (0.38 ml/g). No significant difference was obtained for emulsification capacity of the lean pork tissue that had undergone accelerated or conventional processing prior to use in frankfurter production.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Eighty steers, forty each of two biological types (large, late maturing, and small, early maturing) were placed on nutritional regimes containing four levels of roughage. After slaughter, 40 top loins were press/cleave portioned and mechanically tenderized, 40 top loins were press/cleave portioned only, 40 top loins were mechanically tenderized only and 40 top loins remained untreated to serve as controls. Each nutritional regime and biological type was equally represented in each of the processing treatments. Taste panel evaluations indicated a preference for tenderized steaks (P 〈 0.05) over those not tenderized. Press/cleave portioning had very little effect on the steaks. The combination of press/cleave portioning and mechanical tenderization appeared to be an acceptable industry practice.
    Type of Medium: Electronic Resource
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