Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission pot

... naraoka@geo.kyushu-u.ac.jp) Copyright © 2012 by The Geochemical Society of Japan. NOTE 61 Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission H. NARAOKA, 1 * ... Accepted September 7, 2011) Microparticles recovered from the Asteroid 25143 Itokawa surface by the Hayabusa miss...

Ngày tải lên: 28/03/2014, 20:20

... 2). Exclusion of the non-CF bronchiectatic patients from the PLS analysis, analyzing only the CF population did not change the results in terms of positions of the VOCs and amount of X (=VOCs) ... performed the acquisition and analysis of the data, designed the study and wrote the manuscript. TV aided in the data acquisition and data processing, performed pa...

Ngày tải lên: 05/03/2014, 21:20

... Identify the parameters in the sample by comparing the retention time of the peaks in the sample chromatogram with those of the peaks in standard chromatograms. The width of the retention time window ... of the flask is bathed with hot vapor. Adjust the vertical position of the apparatus and the water temperature as required to complete the concentration...

Ngày tải lên: 14/02/2014, 03:20

... upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. 8.4.1 Prepare the QC check standard by adding 10 µL of QC ... When the trap is cool, the next sample can be analyzed. 10.10 Identify the parameters in the sample by comparing the retention times of the peaks in the sampl...

Ngày tải lên: 14/02/2014, 03:20

... response, thereby minimizing damage to the host induced by response to a pathogen or by the self-immune system. IL-10 inhibits the activation of macrophages/monocytes, thereby inhibiting cytokine synthesis, ... their positions. The arrowheads depict the residues important for the structural core of the IL-10 gene. The underlined amino acid residues are the signal seq...

Ngày tải lên: 20/02/2014, 02:21

... Replacements of Gly68 and Gly261 by alanine reduced the catalytic activity by 95%, while the exchange of these Gly residues for proline completely abolished the enzyme activ- ity. Alternatively, the substitution ... enzymes of flavonoid biosynthesis. We report the expression of highly active Citrus unshiu FLS in Escherichia coli and the purification of the labile enz...

Ngày tải lên: 21/02/2014, 03:20

... of each other. 12.1.2 The retention time must fall within ±30 seconds of the retention time of the authentic compound. 12.1.3 The relative peak heights of the three characteristic masses in the ... Impurities in the purge gas, organic compounds outgassing from the plumbing ahead of the trap, and solvent vapors in the laboratory account for the majority o...

Ngày tải lên: 05/03/2014, 21:20

... behavior to the compounds of interest. The analyst must further demonstrate that the measurement of the internal standard is not affected by method or matrix interferences. Because of these limitations, ... of the flask is bathed with hot vapor. Adjust the vertical position of the apparatus and the water temperature as required to complete the concentration in 15...

Ngày tải lên: 05/03/2014, 21:20

... two molecules either b y a Phe of the ®rst or by a Trp of the third b strand. The natural form of PMP-C is fucosylated at Thr9. As revealed by an NMR study [12], the fucosylation contributes to the structural ... degree of stabilization by interactions with the core of the molecule. Although w e only have i ndirect evidence concerning the ¯exibility of the...

Ngày tải lên: 08/03/2014, 10:20

... subjected to the risk analysis process of the Codex Alimentarius Commission to assess potential risks and, if necessary, to develop approaches to manage these risks. The conduct of risk analysis ... Principles for Risk Analysis for Application in the Framework of the Codex Alimentarius”(adopted by the 26 th Session of the Codex Alimentarius Commission, 2003; C...

Ngày tải lên: 13/03/2014, 21:56