elegans as an experimental system

... used both an IR gas analyser for estimat- ing the total CO level and a Geiger-Müller tube for volumic radioactivity, whereas Kuhn and Beck (1987) used only an IRGA to measure the decrease in the ... techniques for measuring carbon transfer through the plant soil system Plant Soil 38, 331-345 Webb WL (1975) The distribution of photoassimilated carbon and the growth of Douglas fir seedlings Can J For ... et al, 1961; Hansen, 1967; Warembourg and Paul, 1973; Glerum and Balatinecz, 1980; LangenfeldHeyser, 1987; Smith and Paul, 1988; Lacointe, 1989; Schneider and Schmitz, 1989; and many others) In...

Ngày tải lên: 08/08/2014, 23:22

... Solution to Organ Shortage Organ transplantation has become increasingly common in the past 30 years and has saved many lives, while having improved the quality of lives of thousands of other ... repair and / or regeneration of tissues and organs (Langer 1993) Earlier efforts were targeted at relatively simple layered systems, such as the skin (Yannas 1982) and successfully translated ... me about asking the right questions, and continues to astound me with his energy, dedication and passion for research I would like to thank the students and staff of BIOMAT Centre, past and present,...

Ngày tải lên: 14/09/2015, 08:49

... same medium, fibroblastic cells quickly grew out from fetal liver mononuclear cells, and failed to express endothelial phenotype 122 Chapter Isolation and Characterisation Of Vascular Progenitors ... from cord blood (a, b) In contrast, outgrowth colonies from fetal blood (c) were heterogeneous in nature, adopting morphologies ranging from cobblestone, fibroblastic to spindle (d - f) 123 ... Characterisation Of Vascular Progenitors (a) (b) (c) (d) (e) (f) Figure 4-4: CFU assay Adherent colonies appeared after ten days of culture, and were stained with crystal violet to facilitate visualization Cobblestone...

Ngày tải lên: 14/09/2015, 08:49

... haematopoietic colony forming assays as an assessment of the retention of haematopoietic character following expansion As seen in Figure 4-10, Colony forming assays of expanded FL133+ cells generated ... on endosomes, as well as on the plasma membranes (Ewan 2006) Finally, vWF is found to be highly localised in granular ultrastructures corresponding to Weibel-Palade bodies In the case of FB-EPC, ... demonstrate an ability to take up acLDL at passage three (92.3%) 4.3.2.2.2 Increased vasculogenic potential of FB EPC Matrigel tube formation assays are commonly used as an in vitro assay of endothelial...

Ngày tải lên: 14/09/2015, 08:49

... contacting surfaces has been studied in vascular tissue engineering, which can be broadly classified under three categories: adhesion proteins, anticoagulants and antibodies I had chosen a candidate from ... selection of CD34 antibodies as a suitable conjugand, and I detail here my studies on cell adhesion, as well as blood compatibility Finally, I studied the assembly of cells and film to form a ... activation was significantly increased compared to PCL, with significantly reduced r (11.6 min, p

Ngày tải lên: 14/09/2015, 08:49

... with 45 and 60 mM SA, followed by transcription and translation of the gene products When the effects of other known Hsp-inducing compounds such as geldanamycin, curcumin and geranylgeranylacetone ... nitrocellulose membranes, and immunostained using antiHsp105 or anti-Hsp70 Ig (upper panels) Bands were quantified by densitometry, and relative levels of Hsp105a or Hsp70 are shown as ratios to that ... increase of Luc activity by SA reflect the levels of transcription and translation of Hsp105, not due to an indirect effect of SA on the basal activity of Luc Enhancement of Luc activity was also...

Ngày tải lên: 17/03/2014, 10:20

... the crisis is past Contrastive stress is an e x a m p l e of prosodic phrasing based on discourse analysis In our system' s analysis, the phrase f r o m India does not receive contrastive stress ... as input and produce digitized speech output By annotating the input text to this system, many aspects of its operation can be overridden or modified: e.g the location of major and minor phrase ... of Gee and Grosjean The most important difference between the Gee and Grosjean model and our current algorithm involves the factors d e t e r m i n i n g boundary weight Gee and Grosjean assume...

Ngày tải lên: 24/03/2014, 02:20

... 8(a) and Figure 8(c) depicts the performance which was achieved with an exemplary assembly code optimization for Tx and Rx antennas (4 × real-valued matrix) This measurement together with an assembly ... with Tx and Rx antennas and 64 QAM on 48 active subcarriers [64] An upgrade to 128 subcarriers and channel adaptive bit loading now allows a Gbps transmission with only Tx and Rx antennas when ... selectivity and time variance of the transmission channel, cochannel interference by other users using the same frequency resource, and so forth So an experimental analysis of several transmission,...

Ngày tải lên: 22/06/2014, 23:20

... continents and arcs from which detrital sediments are supplied Volcanic Islands Volcanic islands occur in ocean basins (such as the Hawaiian Islands) or on or near ocean ridges (e.g., St Paul Rocks and ... Inland-sea basins contain thick successions (10–20 km) of clastic sediments, and both mud and salt diapirs are common Some, such as the Caspian and Black Seas, are the remnants of large oceans ... AFRICAN PLATE ▲ M id East African Rift System ▲ ▲ India Izu-Bonin Arc ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ Japan Arc ▲ ▲ ▲ Arabian Plate ▲ Himalayas ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ Japan Sea ▲ ▲ Aleutian Arc ▲ ▲ EURASIAN...

Ngày tải lên: 09/08/2014, 11:20

... terrigenous clastic sediments and bimodal volcanics (Wilson, 1993) Bimodal volcanics are basalts (tholeiites) and felsic volcanics, as found in the Rio Grande rift, or alkali basalts and phonolites, as ... shale, and chert Some oceanic plateaus (like Kerguelen in the southern Indian Ocean) emerge above sea level and are capped with subaerial basalt flows and associated pyroclastic volcanics Oceanic-plateau ... rates of flood basalts and oceanic-plateau basalts range from about 0.5 to less than km3/year, considerably greater than rates typical of ocean ridges or volcanic islands such as Hawaii (with...

Ngày tải lên: 09/08/2014, 11:20

... zones are sutures and which are not Foreland and Hinterland Basins Peripheral foreland and hinterland basins are like retroarc foreland basins in terms of sediment provenance and tectonic evolution ... foreland basins The Himalayas As an example of a young collisional mountain range, none can surpass the High Himalayas The Himalayan story began some 80 Ma when India fragmented from Gondwana and ... a decrease in the amount of komatiite, (2) an increase in the ratio of volcaniclastics to flows, and (3) an increase in the relative abundance of andesitic and felsic volcanics These changes reflect...

Ngày tải lên: 09/08/2014, 11:20

... oceanic and continental areas (Fig 4.18) Some occur on or near ocean ridges, such as Iceland, St Helena, and Tristan in the Atlantic basin, and others occur near the centers of plates (such as ... Exothermic phase changes As previously explained, all of the phase changes recognized in the upper mantle, except the 660-km perovskite phase change, are exothermic, and exothermic phase changes enhance ... whereas midocean-ridge basalts (MORB) generally has R/RA values of to (Hanan and Graham, 1996) In some Pacific MORB, R/RA values increase with increasing 206Pb/204Pb ratios, whereas in the Atlantic,...

Ngày tải lên: 09/08/2014, 11:20

... Sea Level CRETACEOUS JURASSIC 200 Present Sea Level TRIASSIC PERMIAN 300 PENNSYLVANIAN MISSISSIPPIAN DEVONIAN 400 SILURIAN ORDOVICIAN 500 CAMBRIAN PRECAMBRIAN Long-term changes in sea level are ... was 25 to 30% less luminous than it is today and that its luminosity has increased with time in an approximately linear manner (Kasting, 1987) The paradox associated with this luminosity change ... radiation and the latter increases the greenhouse effect Clearly, the distribution of continents and ocean basins is an important aspect of paleoclimatology, and reconstructions of past continental...

Ngày tải lên: 09/08/2014, 11:20

... plants 210 Ma, and man about Ma (Australopithecus Ma and Homo Ma) Mass Extinctions Another important and controversial topic dealing with living systems is that of mass extinctions, when many ... eurypterids, fusulines, and many corals and bryozoa becoming extinct Insects appeared in the late Devonian Fish greatly increased in abundance during the Devonian and Mississippian, amphibians appeared ... American and Eurasian invertebrate groups from an originally homogeneous Tethyan group Similar ammonite populations from East Africa, Madagascar, and India indicate that only shallow seas existed...

Ngày tải lên: 09/08/2014, 11:20

... separate terranes with unique stratigraphy and deformational histories (Van Kranendonk et al., 2002): an eastern terrane (3.72–2.85 Ga), a western terrane (3.27–2.92 Ga), and the Kuranna terrane (≤3.29 ... Whereas most of Africa, Antarctica, Australia, and the Americas formed in the Archean and Paleoproterozoic, much of Eurasia formed in the Meso- and Neoproterozoic and the Phanerozoic Secular Changes ... basalts have not yet been analyzed from Archean greenstones Archean oceanic crust was almost entirely recycled into the mantle, and none is preserved (or at least recognized as yet) in Archean...

Ngày tải lên: 09/08/2014, 11:20

... Arabian Sea, and the Indian Ocean, appears to be related to plume volcanism Except for the Siberian and Emeishan Traps in eastern Asia, all major flood basalt provinces in the last 200 My are associated ... planets, and the outer giant planets The giant planets can further be divided into the gas giants, Jupiter and Saturn, and the ice giants, Uranus and Neptune In this respect, the planets reflect the ... Pan-African collisions leading to the formation of Gondwana As collisions occurred, land areas were elevated and a greater proportion of continental Sr was transported into the oceans Gondwana...

Ngày tải lên: 09/08/2014, 11:20

... Most extrasolar planets have masses of 0.75 to Jovian masses, but masses less than 0.5 of a Jovian mass are difficult to detect Unlike planets in the solar system, most extrasolar planets are ... past, that the inclination of the lunar orbit has decreased with time, and that the eccentricity of the lunar orbit has increased as the Earth–Moon distance has increased (Lambeck, 1980) It has ... core and icy inner mantle composed chiefly of water, CH4, and NH3 and a gaseous and icy outer mantle composed chiefly of H2 and He Neptune must have an even greater proportion of silicate and...

Ngày tải lên: 09/08/2014, 11:20

... R L., and Natland, J H., 1992 Southwestern limits of Indian Ocean ridge mantle and the origin of low-206Pb/204Pb midoceanridge basalt: Isotope systematics of the central–southwest Indian ridge ... Poli, S., and Schmidt, M W., 1995 H2O transport and release in subduction zones: Experimental constraints on basaltic and andesitic systems J Geophys Res., 100: 22,299–22,314 Pollack, J B., and Bodenheimer, ... Black, M T., and Basu, A R., 1995 Synchrony and causal relations between Permian–Triassic boundary crises and Siberian volcanism Science, 269: 1413–1416 Reymer, A., and Schubert, G., 1984 Phanerozoic...

Ngày tải lên: 09/08/2014, 11:20

... kidney, skin (melanoma), thyroid, liver, pancreas, adrenal and salivary glands and choroidal melanoma [1-3] The diagnosis of orbital metastasis is often unexpected [3] when an ophthalmic manifestation ... primary neoplasm is discovered This is more frequently seen with lung, gastrointestinal, thyroid and renal carcinomas [3,4] In contrast, the majority (90%) of breast cancers with ocular metastases have ... cholangiopancreatography and the cytology of the brushings was highly suggestive of anaplasia Pancreatic carcinoma was suspected but abdominal CT scanning and ultrasonic studies revealed no evidence The patient...

Ngày tải lên: 11/08/2014, 21:22

... the step change in FIO2, a baseline condition was determined This involved the determination of VO2, VCO2 and ETN2baseline VO2 anv VCO2 were assumed to be constant throughout the measurement After ... the FRC was calculated as: FRC = ΔV N ΔETN Where the ETN2 was the last recorded value after the step change: Systemic arterial pressure was measured by a catheter (Sentron pressure-measuring catheter, ... lung mass in multislice CT scans [15] Rylander et al suggested that FRC was a more sensitive indicator of PEEP-induced aeration and recruitment of lung tissue than Crs [12] However, an increase...

Ngày tải lên: 13/08/2014, 11:22