Báo cáo khoa học: "Radioprotective effects of an acidic polysaccharide of Panax ginseng on bone marrow cells" pdf

Ngày tải lên: 07/08/2014, 20:23

... Radioprotective effects of an acidic polysaccharide of Panax ginseng on bone marrow cells. J Vet Sci 2007, 8, 39-44. 10. Kim MH, Joo HG. Immunostimulatory effects of fucoidan on bone marrow- derived ... exposure to ionizing radiation, bone marrow is profoundly damaged and severe immunosuppression occurs. Therefore, protection of bone marrow agains...

Ngày tải lên: 07/08/2014, 23:22

... Linguistics Going Beyond AER: An Extensive Analysis of Word Alignments and Their Impact on MT Necip Fazil Ayan and Bonnie J. Dorr Institute of Advanced Computer Studies (UMIACS) University of Maryland College ... sizes of training data on English- Arabic. 12 notations distinguish between sure and probable alignment links, but English-Arabic annotations do not. The details of h...

Ngày tải lên: 20/02/2014, 11:21

... interacts with N10 and E97 of the second subunit. The backbone NH group of R98 forms a hydrogen bond with the backbone CO of F102. Fur- thermore, the orientation of the side chain of the two residues ... emission for k excitation of 295 nm) over a dena- turant concentration range of 0–8 M for urea and 0–7 M for guanidinium chloride. b T m is the mid-point of thermal melting cu...

Ngày tải lên: 18/02/2014, 11:20

... (2001) Con- struction and characterization of mutations at codon 751 of the Escherichia coli gyrB gene that confer resistance to the antimicrobial peptide microcin B17 and alter the activity of DNA ... (1982) Conformation and aggregation of melittin: dependence on pH and concentration. Biochemistry 21, 461–465. 31 Falla TJ, Karunaratne DN & Hancock REW (1996) Mode of action o...

Ngày tải lên: 18/02/2014, 14:20

... 3¢ untrans- lated region of colony-stimulating factor-1 (CSF-1) messenger RNA in human ovarian cancer cells: possible role in CSF-1 posttranscriptional regulation and tumor phenotype. Cancer Res ... isoforms at the levels of Myc antagonism in the REF assay, subcellular localization, and transcrip- tional activity. Some of these analyses have assigned differential functions to the two is...

Ngày tải lên: 18/02/2014, 16:20

... the membrane of cells. Inhibitory effects of VVA1 on the hemolytic and cytotoxic activity of VVA2 The effects of VVA1 on the hemolytic activity of VVA2 were studied by incubation of human red blood cells ... centrifuged and electrophoresed, analysis of the supernatant and pellet fractions showed that VVA1 cannot bind to these simple membranes (Fig. 1B, lanes 3 and 4). Ad...

Ngày tải lên: 19/02/2014, 06:20

... enhance- ment of the 57-kDa band with a concomitant diminu- tion of the 38-kDa and 19-kDa bands, as analyzed by SDS ⁄ PAGE (Fig. 3A). The 38-kDa and 19-kDa bands did not disappear completely after prolonged ... [7]. In both of these mutants, it is possible to create a strong hydrogen bond between Ser278 and His78 by changing only the torsion angles of the side chains (without adjustme...

Ngày tải lên: 19/02/2014, 07:20

... (kpir), and transform- ants selected for kanamycin resistance. The plasmid in this strain was mobilized into spontaneous Rif R R3 by conjugation [17]. RSc1501 gene disruption in the transconjugants ... wounding and infection by the pathogen [16]. Thus, the timing and location of melanization seems to be essential for the prevalence of one of these two opposing processes. In any case, ma...

Ngày tải lên: 19/02/2014, 07:20

... double-emission monochro- mator, and Glan-Thompson polarizers using quartz cuvettes with continuous stirring of the suspension, bandwidths of 2 nm for excitation and 4 nm for emission, and excitation and ... composition but also to the existence of a polarized membrane, as mentioned above. However, membrane disruption would not depend on the presence of a polarized membrane but on...

Ngày tải lên: 19/02/2014, 07:20