recent contributions of glaciers and ice caps to sea

... fluorescent coloration of M. cavernosa and L. hemprichii is due to GFP-like proteins and not caused by a fluorescent phycoerythrin. The contribution of mcavRFP, EosFP and lhemOFP to the total content of soluble ... chromatography (data not shown) [20]. The spectral properties of the red form of cjarRFP are surprisingly similar to those of EosFP and other known representatives of green -to- red photoconvertible ... absorptions of the bands at pH 7.0 to provide a measure of coloration. b Data from [19]. c Data from [41]. AB DC Fig. 1. Comparison of spectral properties of the green -to- red photoconverting...

Ngày tải lên: 16/03/2014, 11:20

... shown to be infectious and able to replicate efficiently in the newly described HPV18 ⁄ E6E7-immortalized hepatocytes. In this experi- ment, interferon regulatory factor-7, a regulatory fac- tor of ... most useful research tool to date. Several membrane receptors are involved in the HCV entry process: CD81, SR-B1, LDLR and Claudin-1. The multiplication of candidate receptors and the potential ... advantage of different sets of receptors to enter into target cells. Whereas the implications of CD81, SR-B1 and Clau- din-1 have been ascertained using the HCVpp and the HCVcc model, the role of LDLR...

Ngày tải lên: 16/03/2014, 05:20

Ngày tải lên: 09/07/2014, 08:25

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 14:58

Ngày tải lên: 26/11/2013, 13:31

... effectiveness of Ethernet transport and services. One area currently under consideration is how to fully utilize fiber build-outs to continue to offer revenue-generating services such as voice, and to add ... Suite of Ethernet and TDM Services to Cost-Effectively Utilize Fiber Networks Carriers and enterprises are looking for inexpensive ways to utilize their infrastructures to take advantage of the ... and 23” rack mount brackets, console cable, license for basic software and documentation 01/06 • 102160AE LoopStar ® 711 LoopStar ® 711 Leveraging a Full Suite of Ethernet and TDM Services to...

Ngày tải lên: 10/12/2013, 19:15

... how to capture and deploy knowledge and duties of the operations, intelligence, logistics, and fire-support officers into operations, intelligence, logistics, and fire-support expert systems to ... these officers; • how to automate screening messages and establishing priorities to reduce information overload; • how to integrate the operations of the expert systems to support the command; ... flexible arms capable of coordinated motion. Research on end effectors the hands attached to a robot seeks to improve dexterity, enabling robots to handle a variety of parts or tools in complex...

Ngày tải lên: 13/12/2013, 01:15

... inflammatory cytokines. ICAM-1 con- tributes to multiple processes seen in central nervous system inflammatory disease, for example migration of leukocytes to inflammatory sites, and adhesion of polymorphonuclear ... activates monocytes and macrophages to produce cytokines such as tumor necrosis factor- a and interleukins IL-1b and IL-6. These cytokines appear to be responsible for the neurotoxicity observed ... the presence of cytokines. Natural ligands of ICAM- 1and LFA-1 are expressed on the surface of T and B lymphocytes, natural killer cells, monocytes, macrophages and granulocytes [33], and interaction...

Ngày tải lên: 18/02/2014, 18:20

... synthase of Rhodobacter capsulatus results in differential contributions of DpH and Du in driving the ATP synthesis reaction Paola Turina and B. Andrea Melandri Department of Biology, Laboratory of ... absence of Du.(C)Theratioof the best-fitting functions and of the data points of wild-type over mutant are plotted for data in the presence (d)andabsence(m)ofDu. 1988 P. Turina and B. A. Melandri ... extent of flash-induced carotenoid shift and the extent of cyto- chrome c accessible photo-o xidizable RC, which were comparable to those of w ild-type chromatophores (not shown). The mutant and...

Ngày tải lên: 21/02/2014, 03:20

... (POCI/SAU-MMO/ 61129/2004) and the Health Research Board (RP/ 2006/294) to J.V.F and Health Research Board Grant (RP/2005/107) and Science Foundation Ireland (SFI) Investigator Grant (05/IN.3/13859) to MMC. The authors ... antigen binding and presentation to CD8 + cytolytic T cells. In HFE, the proximity of the two a helices and the presence of amino acid side chains that project into the groove appear to prevent peptide ... absence of tunicamycin. Drug treatments resulted in the accumulation of forms of the mutant proteins that were of lower apparent molecular mass and of similar size to the unglycosy- lated form of...

Ngày tải lên: 06/03/2014, 22:21

... thought to be the same Lys185, is required to donate a proton to the C3 car- bonyl group of the keto-intermediate to facilitate decarboxylation. Both a base and an acid are needed in the tautomerization ... tautomerization of the enediol intermediate to yield the ketone ribulose 5-phosphate product, with the acid (Glu192) required to donate a proton to C1 of the enediol intermediate and the base (the ... per se. To better understand why these analogues have high affinity and to help in rational drug design, we under- took a thermodynamic characterization of substrate and analogue binding to T. brucei...

Ngày tải lên: 07/03/2014, 05:20

... muscle and fat cells. To gain some insight into this issue we subsequently monitored the effects of a number of inhibitors that target PI3K, the MAP kinase pathway, p38 MAP kinase and mTOR on ... establish the importance of GSK3 in the acute regulation of glucose transport in terms of its regulatory control of GS in muscle and fat cells we have investigated the effects of Li and the anilinomaleimide, ... the binding of insulin to its receptor and activation of the receptor kinase, which tyrosine phosphorylates intracellular target substrates, in particular insulin receptor substrate 1 (IRS-1) and its...

Ngày tải lên: 08/03/2014, 08:20

... will make sense to them too. And hey, if your releases generate a story about your organization, wonderful! Don’t forget to link to it from your site and to purchase the online and print reprint ... thousands of people who have subscribed to the RSS content feeds. And online news services such as Google News have RSS feed capability too, allowing people to receive feeds based on keywords and ... your site, search engine crawlers will find the content, index it, and rank it based on words and phrases and other factors. To achieve high rankings, pay attention not only to the words and phrases,...

Ngày tải lên: 23/03/2014, 03:20

Ngày tải lên: 23/03/2014, 05:23

... concomitant intoxication of the patient [7,35,51]. Moreover, binding of drugs to FA2 reduces the affinity of FA7 and increases the affinity of FA1 ligands. Eventually, FA6 ligands are expected to affect ... 10 )4 m solution to a final concen- tration of 1.0 · 10 )4 m. Automatic flexible ligand-docking simulation to HSA was performed using autodock 3.0 and the graphical user interface autodocktools [54–56,68]. ... a certain extent of HSA interaction may be desirable to help drug solubilization and distribution, a too tight an interaction negatively affects the distribution to sites of action and dramatically...

Ngày tải lên: 23/03/2014, 07:20

... Vietnam; (2) to identify and calculate watershed and vegetation factors affecting storm runoff responses; (3) to analyze the relationship between watershed factors and runoff indices; and (4) to separately ... discharge of these watersheds by the predictors of initial flow, rainfall, and rain intensity. c) to identify the roles of forest cover on soil erosion prevention; and to produce a map of required ... volumes at level 0.05. Storm rainfall, initial flow, season and storm duration are associated with 86.4% of the total variation in the log storm flow. Rainfall-runoff research in a catchment...

Ngày tải lên: 03/04/2014, 12:22

... is essential to understand their potential phototoxicity to the natural biota. The objective of the current study is to evaluate phototoxicity of nanoparticulate ZnO (nano-ZnO) and its bulk counterpart ... toxicity was not related to photocatalytic ROS generation. Dissolution of the ZnO particles to ionic zinc did not seem to be a major contributor to the observed toxicity either. This non-photocatalytic, ... currently undergoing to further understand the underlying mechanism of the phototoxicity. As phototoxicity of nano-ZnO associated with ROS generation occurred in as quickly as 2 h under NSL, toxicity of nano-ZnO...

Ngày tải lên: 06/05/2014, 13:22

Ngày tải lên: 03/06/2014, 02:14