differential scanning calorimetry studies of phospholipid membranes the interdigitated gel phas

... the Avogadro constant, m is the partial specic volume, h is the hydration, and M is the molar mass of the protein The ratio RH =Rtheo provides informaH tion about the shape of a molecule in the ... rate of Kặmin)1 (Figs and 2) Therefore, under these experimental conditions, binding of Tc causes an increase in the Tmax of the protein of % 10.0 C The ligand binding leads to a doubling of the ... with Tc Binding of Tc leads to increased symmetry of the thermal transition Moreover, the results conrm the tendency of the behavior of the transition temperature observed with the DSC method...

Ngày tải lên: 20/02/2014, 02:21

... as to discuss the dependence of the thermal thermal properties on the value of the molecular weight of polymer, the polymer processing methodology and the presence of additives in the polymer mixtures ... Differential Scanning Calorimetry Studies of Phospholipid Membranes: The Interdigitated Gel Phase 407 Eric A Smith and Phoebe K Dea Chapter 19 Oxidative Stability of Fats and Oils Measured by Differential ... on the mixture composition The change in the value of the ratio of the first and the second melting peaks indicates the modification of size of the present crystals The Tg value after an annealing...

Ngày tải lên: 06/03/2014, 22:20

... structural changes in the myosin head The main goal of these studies was to understand the mechanism of these changes, i.e the mechanism of transmission of structural changes from the nucleotide- and ... obtained by addition of 0.5 mM BeCl2 in the presence of mM NaF The formation of the complexes was controlled by measuring the K+-EDTA ATPase activity of the protein The ATPase activity of S1, t-S1, or ... result of the present work is that the N-terminal cleavage of the S1 heavy chain completely prevents the changes in the thermal unfolding of S1, i.e a significant increase in the protein thermal...

Ngày tải lên: 17/03/2014, 10:20

... whole system and made the recrystallization process appeared at lower temperature The enthalpy of exotherm of 1:2 system was higher compared with the enthalpy of exotherm of 1:3 system, was most ... properties of starch-containing foods by changing the granule swelling, solubilization, and crystallization of starch polymers.8 In the case of native rice starch, other than the gelatinization ... Thermal Transitions on Cooling of Rice Starch 38 INTRODUCTION Differential scanning calorimetry (DSC) is a technique commonly employed to probe thermal properties of starch based on the heat...

Ngày tải lên: 07/08/2014, 14:20

... the calibration factor, A∆T is the amplitude of the temperature difference between Ts0 and Tr0, Cs is the heat capacity of the sample, and ATs is the amplitude of the sample temperature The phase ... and thermal conductivity of the liquid surrounding the heater, respectively Since the resistance of the heater is a linear function of the temperature if the temperature change is small, the ... coefficient of resistivity The sample and the heater or thermal couple fixture is connected at the lower left side of the bridge (see Fig 1.2) The values of R2 and Rv are a couple of orders of magnitude...

Ngày tải lên: 13/09/2015, 21:10

... numbers placed at the locations of study areas in the Southeast Gender and the Archaeology of the Southeast women, and children should adopt at different stages of their lives In their daily lives, ... tutelage of their fathers, elder brothers, or the oldest uncle of the clan (Swanton 1946:714–15) Girls remained in the care Gender Division of Labor in Mississippian Households 33 of their female ... members of the household who scheduled that activity into the rest of their domestic responsibilities Because the household was the locus of production for exchange, the organization of domestic...

Ngày tải lên: 11/06/2014, 13:10

... Niculescu The connection between FGFs and depression is particularly interesting in light of the postulated involvement of FGF2 in the cognitive and neurotrophic effects of nicotine [6] and the increased ... in genes of the FGF system in subjects with depression may point to a genetic component, whether inherited or acquired Regardless of which phenomenon is the cause and which the result, the mood-regulating ... in components of the FGF system to that seen in depressive subjects; this suggests that the decrease might be specific to the depressive state and leaves open the possibility that the opposite...

Ngày tải lên: 14/08/2014, 14:21

... as a predictor of relapse in MDD Therefore, the purpose of the present study was to explore the impact of residual sleep disturbance on the Page of risk of relapse of MDD during the continuation/maintenance ... conceptualized the study, participated in the preparation of the manuscript and provided critical review of the manuscript LSY participated in the editing of the manuscript SC contributed in the literature ... search and in the preparation of the manuscript SJY contributed in the review of the manuscript YC was the statistician for the original study, and helped interpret the data for the current study...

Ngày tải lên: 08/08/2014, 23:21

... the gel phase is intact at these conditions Raising the temperature above the gel to liquid crystalline phase transition of Pam2Gro-PGro ( 41 °C) at L/P ¼ 14 : results in the domination of the ... extinguishes the temperature dependence of the deformation of Pam2GroPGro MLV observed in the absence of the toxin These data support the above conclusion on hampering of the deformation of Pam2Gro-PGro ... from the stiffening of lipid molecules in the polar but not in the acyl region of the membrane (In this respect the influence of CTs on the membrane stiffness is opposite to the action of the cholesterol...

Ngày tải lên: 17/03/2014, 03:20

... interspersed by a stimulus which deviated from the standard in the intensity of the first component and the glide direction of the second constituent The number of distinct MMN components elicited by ... 56]; these findings further support the concept of the P3 as a proxy for some element of stimulus evaluation time Evidence has accumulated describing the P300 as a cognitive routine supporting the ... and the N2b Data indicate that the P300 is involved not only in processes of working memory, but may interact with the N2b in the control of motor response to external cues Through the use of...

Ngày tải lên: 02/11/2012, 11:08

... cancelled before they ever get completed Further results indicate 52.7% of projects will cost 189% of their original estimates The cost of these failures and overruns are just the tip of the proverbial ... draw rm conclusions If we ask whether the introduction of a knowledge management system improves the quality of software, only one of the studies, from the Software Engineering Laboratory gives ... with these studies is that they are mostly lessons learned reports That is, it is the same people who have initiated the programs that evaluate them Another problem is the rather limited number of...

Ngày tải lên: 16/01/2014, 16:33

... conclusion can be made based on the lack of thermal shifts when only the bases were added, whereas the addition of PRPP led to a significant thermal shift Kinetic studies of PRTFDC1 showed that this ... product of PRPP from the crystallization solution ing 81 compounds of substrates, products and regulators of other enzymes in the human nucleotide metabolism (Table S1) The library can then be ... interacts with both O6 and N7 (Fig 1C) The 2¢OH of the ribose is hydrogen bonded to the main chain and the side chain of Asp142 (Fig 1C) Both hydroxyl groups of the ribose are involved in coordinating...

Ngày tải lên: 15/02/2014, 01:20

... Here, we report the results of the structural studies of the pantoate-bound form of the N-terminal domain of E coli PS (nPS) The structure and substrate-binding interactions of E coli nPS have ... well as of the alleviation of this inhibition by another substrate of the enzyme, ATP, are presented [8,9] Results Solution properties of the N-terminal domain of PS, the C-terminal domain of PS, ... regions of the Ramachandran map [32,33] Comparison of the monomer of the substrate-free form of E coli PS [13] with the monomers of nPS in the pantoate-bound form at full occupancy indicates that the...

Ngày tải lên: 16/02/2014, 09:20

... move against the war and restricted the global trade in oil export This is still known as the Arab oil embargo.8, 9) The idea of saving energy spread throughout in the world as a result of this incident ... issue from the 1960s to early 1970s in Japan On this basis, the committee on sick house syndrome (SHS) by the Ministry of Health, Labour, and Welfare of Japan announced the guideline value of formaldehyde ... habitation The cause of the disease onset relates to a house, symptoms occur within the house, symptoms are less serious or disappear when the patient is away from the house, and when the patient...

Ngày tải lên: 17/02/2014, 22:20

... set of control data was obtained in the absence of the protein The data set obtained in the absence of the protein was then subtracted from the corresponding data set obtained in the presence of ... performed in the absence of the ligand The control data set obtained in the absence of the ligand was subtracted from the corresponding data set obtained in the presence of the ligand The Kd values ... subtracting the control titration data in the absence of the enzymes from the titration data in the presence of the enzymes The results of the equilibrium binding studies showed that, in comparison...

Ngày tải lên: 19/02/2014, 00:20

... phosphorylation of the wild-type Relative phosphorylation expressed as a relation of the percentage of dThd phosphorylation of the corresponding mutant is given in parentheses The substrate concentration ... illustrating the binding of the feedback inhibitor dTTP and the position of Mg2+ in the active site Mg ion that coordinates the phosphates of dTTP (Fig 3) Discussion Mutation of residues in the active site ... not show any activity must therefore be a consequence of the reactivity of the functional group and further support the hypothesis that E52 acts as an initiating base in the reaction R105 mutations...

Ngày tải lên: 19/02/2014, 02:20

... established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic lipase and LPL and the tandem repeat approach of LPL ... illustrates the overall saddle shape of the dimeric structure and the key heparin-binding residues in the N-terminal domain held coordinately by the two subunits on the top of the hollow (Fig 1A) The ... peak of wild-type LPL The LPL in the eluate was detected by Western blot with LPL polyclonal antibody 7640 The fraction number of the high-affinity peak was the same for the wild type and the WW...

Ngày tải lên: 21/02/2014, 15:20

... sunshine of the evening, the noise of the streets, the looks of the crowd, the great minster rising half-finished in the midst of the town by the Rhine, the cries and noise and chipping of the masons; ... attending to the business of factory or counting-house under the orders of the father of the family, and to the economy of the house-under the superintendence of the mother; a manner of living at ... him the "Morte d'Arthur" of the ladies and knights of Arthur's court; of the quest of the Grail by spotless knights who were bastards and fathers of bastards; of the intrigues of Tristram of Lyoness...

Ngày tải lên: 21/02/2014, 21:20

... with the idea that these are qualities of the translations that are independent of each other Fluency was judged directly by the assessors, while adequacy was meant to assess the content of the ... gold-standard Yet, the assessments of the two aspects were often the same—readability/fluency of the sentence is important for understanding the sentence Only after the assessor has understood the sentence ... analyze the association of the features that we described above and fluency Note that the purpose of the analysis is not feature selection—all features will be used in the later experiments Rather, the...

Ngày tải lên: 22/02/2014, 02:20

... exchange (2% of the isomerization rate) of the methyl group of IPP and the (Z)-methyl group of DMAPP, and an even slower exchange (0.5% of the isomerization rate) of the olefinic hydrogen of DMAPP corresponding ... for the observed very slow exchange of the HA-hydrogen of IPP In both cases, scrambling of the label takes place within the IPP pool and the error is then transcribed into the DMAPP pool by the ... concentrations of the tritiated compound, the relative transfer of 14C-label from the cyclodiphosphate pool is always in excess of the value calculated from the original molar concentration of the two...

Ngày tải lên: 22/02/2014, 07:20