Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Support experiments

If not already available, a bioanalytical method needs to be defined and characterized for the quantification of the candidate in physiologic fluids. This method can then support experiments in each of the other scientific disciplines involved in assessing the developability of the lead candidate and, after appropriate validation, the preclinical, nonclinical, and clinical development of the drug candi-... [Pg.25]

Laboratory astrophysics is not an oxymoron. Laboratory studies are one of the very few means to understand the chemical and physical processes that occur in the outlandish environments (by terrestrial standards) observed by astronomers. Such processes often occur under conditions that are far removed from what is considered normal by most chemists and physicists, and the application of a terrestrially honed chemical intuition to processes in astrophysical systems is likely to yield incorrect interpretations of the observations unless the environmental effects are carefully considered. The design of experiments that address processes active in astrophysical environments must also account for differences between the laboratory and reality. Often one finds that it is neither necessary or even desirable to carry out experiments under typical astrophysical conditions. Few funding agencies will support experiments lasting ten million (or even ten ) years to duplicate processes in the interstellar medium, and few institutions will hire or promote a... [Pg.128]

Suggest supporting experiments that could be used to support or reject the model described in ... [Pg.461]

Figure 1. Geometric arrangement of mineral pairs and triplets used in the heating stage experiments and supporting experiments. In all triplet mounts, position 3 was occupied by a clay mineral. Figure 1. Geometric arrangement of mineral pairs and triplets used in the heating stage experiments and supporting experiments. In all triplet mounts, position 3 was occupied by a clay mineral.
Some reports associate the rearrangement of dopachrome to DI in melanoma with an enzyme distal from tyrosinase (179-182) characterized as an oxidoreductase (183). Owing to the preliminary nature of the supporting experiments, however, the regulatory effect may be associated with the catalytic effect of metal ions rather than that of the new enzyme (184). [Pg.265]

The role of domain theory is mainly placed in facilitating the identification, elicitation, and formalization of domain knowledge. Furthermore, concepts for supporting experience reuse were developed, based on similarity mappings and classifications. [Pg.75]

If not already available, a bioanalytical chemistry method needs to be defined and characterized for the quantification of the lead in physiological fluids. This assay can then support experiments in some of the other scientific disciplines involved in assessing the developability of the lead and, after appropriate validation, the preclinical, nonclinical, and clinical development of a selected drug candidate. For preliminary studies, a bioanalytical chemistry method should be characterized to demonstrate the range of reliable results, the lower and upper limits of quantification, specificity, accuracy, and precision. In addition, evaluations on the matrix to be used (blood, plasma, serum) should be conducted and the stability of the lead in each matrix should be determined. [Pg.24]

Prototype Repository is the short name for Full-scale test of the KBS-3 method for deep geological disposal of spent nuclear fuel in crystalline rock , an international EC supported experiment being performed at the Aspo Hard Rock Laboratory (Sweden). The KBS-3 method was initially developed in Sweden and refers to the following main characteristics ... [Pg.377]

Wang Y, Hirao H, Chen H, Onaka H, Nagano S, Shaik S (2008) Electron transfer activation of chro-mopyrrolic acid by cytochrome P450 en route to the formation of an antitumor indolocarbazole derivative theory supports experiment. J Am Chem Soe 130 7170-7171... [Pg.174]

Biemann, K., Lavoie, J.M. (1979) Some final conclnsions and supporting experiments related to the search for organic-compounds on the surface of Mars. Journal of Geophysical Research, 84, 8385-8390. [Pg.402]

The paper describes the external spray containment cooling system installed at the Loviisa nuclear power plant, the reasons why the system was installed, and the design calculations and supporting experiments performed to validate the concept. [Pg.82]

While the above experiment was similar to the assay described by Casey (Scheme 10.8), supporting experiments lend additional credence to the same conclusion. K. Tanaka and K.-I. Tanaka used mixtures of -dQ and -dg 2-butenes and monitored the rate and stereoselectivity of the degenerate metathesis reaction (Scheme 10.13). The mixture of cis-2-butenes formed butene-r/ with 80% selectivity for the cis-isomer. When a mixture of frans-2-butenes was exposed to the same catalyst, however, trans-h xtene-d was formed almost exclusively. The rate of the exchange for the trans compounds was also 40 times faster than the analogous reaction with cis-2-butene, contrasting that observed for the related, homogeneous catalyst systems [13,18]. [Pg.312]

Paglia, G. (2004) Determination of the structure of y-alumina using empirical and first principle calculations combined with supporting experiments. Ph.D. dissertation, Curtin University of Technology. [Pg.250]

Through the use of X-ray analysis, electron diffraction, and the supporting experiments of infrared absorption and Raman spectroscopy, much information has been collected on crystalline polymers. Today, the data are analyzed through the use of computer techniques. Somewhere along the line, however, the investigator is required to use intuition to propose models of crystal structure. The proposed models are then compared to experiment. TThe models are gradually refined to produce the structures given above. It must be... [Pg.253]

This condition is most damaging under open circuit conditions when no load is applied and the cell voltage is close to one volt Under high potentials, the catalyst carbon support experiences oxidizing conditions, initially resulting in an increase in oxygen surface species and associated increase in hydrophilicity. As the carbon surface further oxidizes, carbon is converted to carbon dioxide (reaction 6.4), the Pt particle cormections are severed, the catalyst layer collapses and the catalyst layer dramatically thins. [Pg.170]

Another cylindrical hydrophone design approach that features piezoelectric polymer as the active sensing clement is shown in Figure 9. In this concept, PVDF coaxial cable is wrapped around a compliant cylindrical structure (11], A theoretical model with supporting experiments of such a concept has suggested t cylindrical hydrophones featuring PVDF cable wound around an air-filled cylinder (with exposed ends) results in enhanced performance as compared to a similar piezoelectric polymer coil around a free flooded cylindrical structure as demonstrated by the FFVS of Ftgure 10. [Pg.744]

Parres-Esclapez et al ). From electron spin resonance spectroscopy (ESR) analysis of Rh/ceria catalysts, it was proposed that the low-temperature NgO decomposition of these catalysts relies on electron excess sites at microinterfaces between the dispersed rhodium component and the ceria support. Experiments performed with isotopic among other techniques, evidenced that the ceria... [Pg.227]


See other pages where Support experiments is mentioned: [Pg.198]    [Pg.109]    [Pg.246]    [Pg.14]    [Pg.211]    [Pg.220]    [Pg.195]    [Pg.49]    [Pg.1408]    [Pg.41]    [Pg.485]    [Pg.350]    [Pg.452]    [Pg.42]    [Pg.340]    [Pg.133]    [Pg.136]    [Pg.136]    [Pg.15]    [Pg.32]    [Pg.399]    [Pg.399]    [Pg.95]    [Pg.298]    [Pg.183]    [Pg.288]    [Pg.18]    [Pg.102]    [Pg.239]   
See also in sourсe #XX -- [ Pg.49 ]




SEARCH



Palladium, supported adsorption experiment

Silica supports experiment

Supports platinum experiment

© 2024 chempedia.info