... paid to the effects of temperature on enzyme allostery and the influence of temperature in the regulation of PFK activity at both high (euthermic) and low (hibernating) temperatures Results Selected ... 3–15 °C temperature range of the plots were 103.2 ± 0.2 and 80.0 ± 1.2 kJ mol)1 in the absence and presence of phosphate For the 15–45 °C temperature range, the Ea values were 25.7 ± 0.7 and 26.2 ... modification Another approach focused on temperatureand pH dependent shifts in PFK activity and subunit assembly [6,7,21,22] The effects of acidosis andtemperature were proposed to cause reversible...
... Melting temperature, Cs, Ref Melting temperature, Rb, Ref 305 300 295 2700 Melting curve, present Melting temperature of Cr, Ref Melting temperature of Mo, Ref Eutectic point, present Melting temperature, ... the calculation of Lindemann’s melting temperatures The threshold value Rm of the ratio of RMSF in atomic positions on the equilibrium lattice positions and the nearest neighbor distance at the ... s = (30) with Tm(1) and Tm(2) as melting temperatures of the first or doping and the second or host element, respectively, composing the binary alloy Therefore, the melting temperature of bcc...
... class A and class B sHsp complexes is adjusted to the ambient temperatureand to protein concentration, and that mutant proteins equivalent to HspH(G114A) form unstable complexes Materials and methods ... 45 and 38 kDa (B) Elution profile at 25 °C of a sample diluted from mgÆmL)1 (arrow) to 0.5 mgÆmL)1 elution of standard proteins was completely independent of temperature (Fig 1D) Temperature- and ... multiplied and then divided by the difference between the m/z values Results Temperature- and concentration-dependent oligomerization of class A proteins transfer stage pressure, 8.0 · 10)3 mbar; and...
... study of the milieu composition andtemperature inuence on neurolysin and TOP hydrolytic activities in order to understand their unusual variations of specicity [5,6] and broad spectrum of hydrolysis ... Ala and Ile at the X position gave two linear ttings, above and below % 22 C (Fig 1B), indicating different rate-limiting steps at each temperature range (above and below 22 C) The DG* DH* and ... changes of temperatureand ionic strength Finally, differences in the specicities and effects of salts andtemperature between the two enzymes were signicant, although not large, and could be...
... well defined metal centers that act as electron acceptors and donors, ET rates into and out of these centers are influenced by temperatureand can be analyzed using the Arrhenius relation [26] In ... with the same syringe and the CO flashed off The temperature of the cuvette wall was monitored before and after flashing The samples were monitored at a wavelength of 442 nm and the data stocked ... analysis and prevents us from being able to make a direct comparison between CCO at high temperature (> 290 K) with and without ethylene glycol The bending of the curve in Fig at the higher temperatures...
... the deposition of carbonate, F3 the flux of deposition of organic carbon in sediments, F2 and F4 the sedimentary recycling fluxes of carbonates and organic carbon, respectively, and Scarb and Sorg ... whole’s systems and subsystems; for a lucid exposition of a modern dialectics of na- INTRODUCTION xii ture, see Levins and Lewontin 1985) The whole, Gaia, evolves as the parts (organisms and ecosystems) ... biochemical and biophysical upper temperature limit for its metabolism Thus, with the longterm cooling of the Earth’s surface, new metabolisms and cell types became possible as their upper temperature...
... exposed to temperatures of 15°, 30°, 40°, or 50°C for h, h, and 12 h and left at room temperature after that exposure for a total of 24 h after collection Significant and unacceptable lysis and cell ... and Bill Goodwin Additional philanthropic support was provided by Frank and Jane Batten, the James and Rebecca Craig Foundation, George S Suddock, Richard and Sherry Sharp, and the Patients and ... Results Effect of shipping temperatures and extreme changes in temperature on the cell yield for clinical trial specimens Package temperatures were lowest in winter months and highest in summer months,...
... as the temperature increases To help understand these relationships, a model is presented, and equations are obtained to help understand the mechanisms responsible for these properties and to ... larger in size and thus ‘closer’ to bulk form than the 46.3-nm film Also, Figures and 10 show bulk and thin film values of γ as a function of temperature By comparing Figures 9a and 10a, it can ... Graph of γ vs temperature for the 46.3-nm platinum thin film and for bulk platinum (a) τ1/τ2 = and (b) τ1/τ2 = 50 Figure 10 Graph of γ vs temperature for the 74-nm platinum thin film and for bulk...
... correlation with temperature (r = –0.17, P > 0.05) and rainfall (r = –0.16, P > 0.05) (Fig and Tab IV) and the frequency of individuals of this species was higher when eucalyptus plants were five and six ... temperature (r = –0.31, P < 0.01) and rainfall (r = –0.34, P < 0.01) (Fig and Tab IV) and when plants were younger (P < 0.05) (Fig 4) Effect of plant age, temperatureand rainfall 87 Table III Species, ... Mean temperature (ºC) and rainfall (mm) (A) and total number of individuals of Lepidoptera (B) and of major (C) and lesser (D) important pests collected in a Eucalyptus grandis plantation in the...
... follows (Fig 2c) A closed stand was generated using the stem diameter and species distributions from measured areas The obtained stems were randomly positioned and then repositioned by a regularisation ... by Overlap Minimisation (c and d) In (a) and (c), crowns are reconstructed from stem positions In (b) and (d), crowns are reconstructed from measured-crown centre positions The CROM method, consisting ... single stand The stand was well adapted to the CROM algorithm test because of particularly important asymmetry among trees, due to the old coppice-with-standards structure of the stand and the...
... and SD seedlings during hardening in a greenhouse Seedlings from the SD regime experienced the same temperatures and light intensities as 312 S.J Colombo et al Figure Index of injury (and standard ... about 24 h at room temperature the water was decanted and the test tubes containing shoots were immersed in a methanol bath; bath temperature decreased from +5 to –10 °C over 70 and test tubes were ... pressure chamber and excised shoots from 10 randomly selected seedlings per treatment Predawn values are shown for all dates and the full daily set of readings only for November 3, 10, 16 and 23 Shoots...
... Mensuration and Growth and Yield Research, Danish Forest and Landscape Research Institute/Ministry of Environment and Energy, Tampere, Finland, 1995, pp 234241 [50] Wang Y.P., Jarvis P.G., Description and ... diameter separated for tree species (beech: circles, spruce: triangles) and stand type (A: pure stands, B: mixed stands) Larger points and triangles indicate the 5% of relative largest radii that are ... tree species and for pure and mixed stands although the differences between the relations for spruces in different stand structure types were not significant (Fig 3) Values for pr1 and pr2 together...
... capacities for sizes and occurred between 13 and 33 ºC; for seed sizes and the maximum occurred between 18º and 24 ºC While a significant interaction was found between temperatureand seed size (table ... how temperature, water potential and seed size in E globulus might be exploited to improve germination efficiency and seedling uniformity MATERIALS AND METHODS E globulus seeds of Flinders Island ... optimum germination temperature for this unsorted seedlot Germination rate increased with temperature to an optimum of 28 ºC and then declined (figure 1b) The lower and upper temperature thresholds...
... analysis and interpretation, and the manuscript writing SM carried out conception and design, and manuscript writing YK and TM optimised the IMRT plans MK and UJ carried out data interpretation CK and ... belly board and an cranial movement of small bowel in supine position Our small bowel volume for the PP group at 45 Gy and 50.4 Gy was 13.7% and 2.5%, as compared to the data from Adli and colleagues ... according to van't Riet and colleagues (Conformity number, CN) [41] For all IMRT plans and patients set-up positions, the relative volumes (%) of small bowel, rectum and bladder were evaluated...
... with temperatures above °C during some days On day the temperature dropped Particularly cold nights, and minimum temperatures below -27 °C, occurred on days 13, 20 and 21 In Exp the mean temperature ... in groups PL and PS (n=8) and WBreindeer in groups SP, PL and PS (totally 11, but not sampled until they showed signs of wet belly and lost during the experiment, see Table 2) Body temperature ... groups PL and PS (n=8) and WB-reindeer in groups SP, PL and PS (totally 11, but not sampled until they showed signs of wet belly and lost during the experiment, see Table 2) Acta vet scand vol...