macroscopic effects temperature and energetics
Tài liệu Báo cáo khoa học: Temperature and phosphate effects on allosteric phenomena of phosphofructokinase from a hibernating ground squirrel (Spermophilus lateralis) pptx
... attention is 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 ... modification Another approach focused on temperature and pH dependent shifts in PFK activity and subunit assembly [6,7,21,22] The effects of acidosis and temperature were proposed to cause reversible ... 262, 1670–1673 21 Hand SC & Somero GN (1982) Urea and methylamine effects on rabbit muscle phosphofructokinase Catalytic stability and aggregation state as a function of pH and temperature J Biol...
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Báo cáo khoa học: Temperature and salts effects on the peptidase activities of the recombinant metallooligopeptidases neurolysin and thimet oligopeptidase pdf
... changes of temperature and ionic strength Finally, differences in the specicities and effects of salts and temperature between the two enzymes were signicant, although not large, and could be ... conduced at different temperatures and at different salt concentrations [5] Temperature dependence of the hydrolysis reaction rates of the substrates by neurolysisn and TOP The temperature dependence ... 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...
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Báo cáo sinh học: "Shipping blood to a central laboratory in multicenter clinical trials: effect of ambient temperature on specimen temperature, and effects of temperature on mononuclear cell yield, viability and immunologic function" potx
... used to analyze the effects of temperature (3 levels) and duration (3 levels) on outcomes including ELIspot, phenotype, and viability These effects were modeled jointly (main effects plus interactions) ... 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...
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Báo cáo lâm nghiệp:"Daylength, temperature and fertilization effects on desiccation resistance, cold hardiness and root growth potential of Picea mariana seedlings" docx
... 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...
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TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS
... for RIS with different values of zi and Nid = 3.2 × 1013 cm−2 and IIS with zi = and Ni0 = × 109 cm−2 III.2 The temperature effects: To see the temperature effects we calculate the mobility µ0 ... impurity position, temperature and magnetic field effects on the mobility At zero temperature our results reduced to those given in [1] We have shown that the mobility increases and the critical ... mobility and resistivity on the impurity position, temperature and magnetic field Our results maybe of help in checking the validity of Gold’s assumptions experimentally III.1 The impurity position effects: ...
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Effects - Physics and Particles
... CHAPTER 10 ■ EFFECTS: PHYSICS AND PARTICLES Figure 10-1 Particles as bodies Figure 10-1 shows a bunch of falling particles, and as they fall they bounce off each other and the line of dots ... is big and puffy and the other is smaller In Figure 10-2 we see that the two different particles are simulating different aspects of a shower of sparks 202 CHAPTER 10 ■ EFFECTS: PHYSICS AND PARTICLES ... random size, which dictates the scale, the startingSpeed, and the totalSteps Large particles are slower than smaller ones, and smaller ones also live longer The particles start out with a random...
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Báo cáo " Calculation of Lindemann’s melting Temperature and Eutectic Point of bcc Binary Alloys " pot
... 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, ... curve beginning from the melting temperature TA of the host element A passes through a temperature minimum TE known as the eutectic point E and ends at the melting temperature TB of the doping element ... 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...
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Báo cáo khoa học: Metabolism and Energetics pot
... thermostable, Gram positive, bacil and spore-forming isolates (K1 and D3) were chosen, and the production of exracellular enzymes a-amylase and protease was studied and these enzymes were then characterized ... Mortierella alpina SC9 was isolated and identified through morphological analysis and molecular techniques, using internal transcribed spacer1 and (ITS1, and ITS2), and 5.8S rDNA regions During a 7-day ... the Czech Republic (525/07/106) and the Ministry of Education, Youth and Sports (MSM 0021622413) 225 Abstracts Metabolism and Energetics D1-21 Unusually fast ligand dissociation from bacterial...
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Báo cáo khoa học: Temperature and concentration-controlled dynamics of rhizobial small heat shock proteins doc
... class A and class B sHsp complexes is adjusted to the ambient temperature and 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...
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Báo cáo khoa học: The influence of temperature and osmolyte on the catalytic cycle of cytochrome c oxidase ppt
... well defined metal centers that act as electron acceptors and donors, ET rates into and out of these centers are influenced by temperature and 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...
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life temperature and the earth
... carbon in sediments, F2 and F4 the sedimentary recycling fluxes of carbonates and organic carbon, respectively, and Scarb and Sorg the subduction fluxes to the mantle of carbonate and organic carbon, ... evolution Coevolution of climate and life (precursors: coevolution as life adapting to changing climate; Preston Cloud: oxygen and life; Schneider and Londer: anthropogenic effects on climate) A brief ... 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...
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Báo cáo sinh học: "Developing a theoretical relationship between electrical resistivity, temperature, and film thickness for conductors" pptx
... 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 ... surfaces, and scattering due to impurities These effects are dependent on the procedures and conditions used to fabricate the thin films, and thus, it is very difficult to quantify each of these effects ... 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...
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Báo cáo hóa học: " Review Article Recent Advances in Real-Time Musical Effects, Synthesis, and Virtual Analog Models" pot
... y(n) are, respectively, the input and output signals of the all-pass filter and a is the all-pass filter coefficient Kleimola and his colleagues [10] combined and expanded further the idea of the signal-adaptive ... vintage delay and reverberation effects We first consider techniques to emulate reverberation chambers, and spring and plate reverberators, and then focus on tape delay, bucket brigade delays, and the ... audio bands were produced Tape delays, including the Maestro Echoplex and Roland SpaceEcho, are particularly challenging to model digitally Their signal flow is simple and includes a delay and feedback...
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Báo cáo lâm nghiệp: "Effect of plant age, temperature and rainfall on Lepidoptera insect pests collected with light traps in a Eucalyptus grandis plantation in Brazil" docx
... 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, temperature and 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...
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Báo cáo toán học: "The effect of temperature and water stress on laboratory germination of Eucalyptus globulus Labill. seeds of different sizes" pot
... 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 temperature and seed size (table ... 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 ... 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...
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Báo cáo khoa học: "Wet Belly in Reindeer (Rangifer tarandus tarandus) in Relation to Body Condition, Body Temperature and Blood Constituents" pdf
... 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...
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Báo cáo sinh học: " Developmental temperature and somatic excision rate of mariner transposable element in three natural populations of Drosophila simulans" pps
... MATERIALS AND METHODS Natural populations and breeding temperature The populations used in this work came from Loua (Congo), Agadir (Morocco) and Bordeaux (France) Season and average temperature ... like temperature, could modify the transcription and/ or the transposition rate of transposable elements (Strand and McDonald, 1985; Junakovic et al, 1986; lVIcDonald et al, 1987) On the other hand, ... bands may occur In this analysis 30, 22 and 21 isofemale lines were tested for Bordeaux, Loua and Agadir, respectively, and the ANC per line are 7.9 ±1.2 for Agadir, 5.2 t 0.5 for Bordeaux and...
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