Tài liệu Báo cáo " Effecting of medium composition on biomass and ginsenoside production in cell suspension culture of Panax vietnamensis Ha et Grushv " doc

... Journal of Science, Natural Sciences and Technology 23 (2007) 269-274 269 Effecting of medium composition on biomass and ginsenoside production in cell suspension culture of Panax vietnamensis Ha ... medium containing 3% sucrose. Effects of application sole nitrate (NO 3 - ) and in combination with ammonium (NH 4 + ) on production of ginse...

Ngày tải lên: 12/02/2014, 10:20

... biosynthesis. In cell suspension cultures of P. ginseng and P. notoginseng, a low initial concentration of phosphate in the medium sufficiently promoted both cell growth and ginsenoside accumulation ... Journal of Science, Natural Sciences and Technology 24 (2008) 248-252 248 Effects of macro elements on biomass and ginsenoside production in cell...

Ngày tải lên: 28/03/2014, 10:20

... yield of ginseng cell culture through manipulation various culture factors and process variable. The maximum biomass yields of cell suspension culture of ginseng was obtained in medium containing ... ginsenoside production and further increase of sucrose concentration upto 70 g/L led to a decrease in ginsenoside accumulation and biomass production....

Ngày tải lên: 14/03/2014, 10:20

... effect of S100A4 on MMP and TIMP regulation and thereby on the cell s possibility to promote inva- sion and metastasis. Materials and methods Materials DMEM containing Hams F12 medium, penicillin, ... facilitate the invasion and metastasis process, depending on the time and localization of their expression. The N-terminal part of TIMPs is involved in binding to the...

Ngày tải lên: 18/02/2014, 11:20

... version of CFG, by considering that a configuration can be transformed into another one by transferring chips from one vertex along one of its outgoing edges. However, the firing of a chip along ... all configurations reachable from the initial one is called configuration space, and a fixed point is a configuration from which the evolution rule can not be applied. Convergence conditi...

Ngày tải lên: 12/02/2014, 17:20

... regional environmental evolution, combined with the consideration of orientation for development of Uong Bi area and Quang Ninh Province, a spatial organization of land use and environmental ... economic area of Quang Ninh Province. The Uong Bi Town area has rather rich mineral resources, consisting of coal (690 million tons), limestone (28-30 million tons), claystone (59...

Ngày tải lên: 13/02/2014, 12:20

... dithiothreitol, 0.5 mm phenyl- methylsulfonyl fluoride and 1 lgÆmL )1 each of antipain, leupeptin, aprotinin, and pepstatin A) and then incubated for 20 min on ice with occasional mixing. The nuclear debris ... (2003) Concentra- tions and specific antibodies to staphylococcal entero- toxin-C and toxic shock syndrome toxin-1 in bovine mammary gland secretions, and in ammatory...

Ngày tải lên: 19/02/2014, 00:20

... cas- sette. Doc. S2. Construction of DnirF cassette for generating unmarked nirF deletion and modification of suicidal vector pRVS1. Doc. S3. Construction of marked and unmarked dele- tion in nirF. Table ... courses of nitrite accumulation and consumption in Paracoccus pantotro- phus strains. Starter cultures were grown aerobically in LB with shaking before inocu- lation...

Ngày tải lên: 15/02/2014, 01:20

... suggesting that the I ⁄ T muta- tion did not interfere with the formation of oligomers that are functional in phosphomannosyl ligand binding and establishing a baseline of ligand binding function (Fig. ... wild-type and point-mutated IGF-II binding sites between two dimerized mini-receptors had no effect on the function of the contralateral binding site, indicating IGF-II bindin...

Ngày tải lên: 18/02/2014, 08:20

... also involved in a variety of non-redox processes such as DNA photorepair, blue-light sensing in plants and a variety of enzyme reactions including certain dehydration and isomerisation reactions ... signals and the appearance of a singlet at 42 p.p.m., reflecting the 1¢ carbon of the ribi- tyl side chain of product 5. Kinetic analysis confirmed preferential consumption of...

Ngày tải lên: 18/02/2014, 18:20