activity of mtorc2 and homeostatic feedback loops

The effects of teachers use of direct and indirect feedback on learners writing english argumentative essays (tt)

The effects of teachers use of direct and indirect feedback on learners writing english argumentative essays (tt)

... effects of teachers’ direct and indirect feedback on the learners' argumentative essays in terms of content, spellings and grammar; - The learners’ attitudes towards the teacher’s use of direct and ... background of the study The chapter firstly addresses the rationale of the study Then follow presentation and discussion of the aims and significance of the study Finally, the organization of the ... pre- and post-test writing argumentative essays and in responding to a questionnaire Six of them were invited to answer the interviews It was hypothesized that the use of direct and indirect feedback

Ngày tải lên: 24/01/2019, 16:18

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The cost of credit and positive feedback trading: Title evidence from the U.K. Stock Market

The cost of credit and positive feedback trading: Title evidence from the U.K. Stock Market

... used and the empirical findings Section concludes this paper The Cost of Credit and Positive Feedback Trading: U.K Stock Market 23 Positive Feedback Trading Model There are several types of feedback ... Antoniou and Gregory Koutmos moments of stock returns The absence of base feedback trading however does not preclude the possibility of positive feedback trading conditional on the cost of credit ... arises because of feedback trading will not necessarily be exploited by the first group of investors because the risk is higher Thus, the interaction of positive feedback traders and rational speculators

Ngày tải lên: 26/03/2020, 04:03

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A comparative study on the antimicrobial activity of natural and artificial (Adulterated) Honey produced in some localities in Ghana

A comparative study on the antimicrobial activity of natural and artificial (Adulterated) Honey produced in some localities in Ghana

... Antimicrobial Activity of Natural and Artificial (Adulterated) Honey Produced in Some Localities in Ghana Matthew Glover Addo*, Abdul Hakim Mutala and Kingsley Badu Department of Theoretical and Applied ... Microbiology laboratory of the Pharmacy Department of the Kwame Nkrumah University of Science and Technology Three plates of each bacteria cultures were prepared to test against each of the three honey ... 25% and 50% concentration in all cases exceeded the recommended 21 %of good quality honey The findings also indicated that, natural honey (Koforidua and Berekum) has a higher antimicrobial activity

Ngày tải lên: 06/08/2020, 00:36

11 26 0
reduced activity of sry and its target enhancer sox9 tesco in a mouse species with x y sex reversal

reduced activity of sry and its target enhancer sox9 tesco in a mouse species with x y sex reversal

... Previous analyses of Sry in M minutoides have identified no disruptive mutations in the HMG box and part of the bridge domain, and no differences in partial Sry sequence between XY males and X*Y females12,14 ... of minSRY was further shortened and contains blocks of only glutamine residues and no histidine-rich spacers (Fig. 1b,c) The fact that other murine species, like Rattus, Arvicanthini tribe, and ... (Supplementary Fig. S7) and found four and one amino acid substitutions in M minutoides and M mattheyi SF1 (min- and matSF1) respectively, compared with musSF1 (Supplementary Figs. S8? ?and? ?S9a) Nevertheless,

Ngày tải lên: 04/12/2022, 16:09

11 0 0
The role of the lecithin addition in the properties and cytotoxic activity of chitosan and chondroitin sulfate nanoparticles containing curcumin

The role of the lecithin addition in the properties and cytotoxic activity of chitosan and chondroitin sulfate nanoparticles containing curcumin

... energy of 30 eV and 15 eV for analysis of the regions and of 285 eV for calibration of the binding energies of the peak C 1s The atomic percentage of the elements present on the surface of the ... Potentiometric (●) and conductometric (○) titration: CHI (A) and CS (B) Speciation diagram of the surface of CHI ( CHI-NH3+ and CHI-NH2) and CS ( CS-SO3H−COOH, CS-SO3−−COOH and CS-SO3−−COO−) (C) ... surface area of the NPs after addition of lecithin surfactant The presence of the surfactant reduces the Table Values for the size, PDI and zeta potential of the CHI/CS and CHI/CS/Lecithin and encapsulation

Ngày tải lên: 07/01/2023, 21:27

10 2 0
Synthesis dna binding and topoisomerase i inhibition activity of thiazacridine and imidazacridine derivatives

Synthesis dna binding and topoisomerase i inhibition activity of thiazacridine and imidazacridine derivatives

... binding of derivative to ctDNA [10] CD spectrum of ctDNA shows a positive band (273 nm) due to stacking interactions of DNA bases and a negative band (245 nm) characteristic of ellipticity of DNA ... DNA-topoisomerase complex The stability of the ternary complex may lead to an enhanced lifetime of the cleaved DNA, i.e., the re-ligation of the strands cannot take place and the strand breaks remain permanent ... study were all synthesized in the Laboratory of Synthesis and Planning of Drug at the Federal University of the State of Pernambuco (UFPE) The synthesis of the three acridine derivatives 4‒6 was

Ngày tải lên: 19/03/2023, 15:24

16 0 0
The Health Benefits of Physical Activity for Girls and Women ppt

The Health Benefits of Physical Activity for Girls and Women ppt

... for understanding the benefits and risks of physical activity for the health and well-being of girls and women In the quest to understand the relationship between physical activity and health, ... questions and promoting the health and well-being of girls and women in our society 205 BEYOND SHAPE AND SIZE: THE HEALTH BENEFITS OF PHYSICAL ACTIVITY FOR GIRLS AND WOMEN British Columbia Centre of ... Determinants of Physical Activity/ Inactivity Among Girls and Women: Literature Review and Analysis Ottawa: Health Canada 206 BEYOND SHAPE AND SIZE: THE HEALTH BENEFITS OF PHYSICAL ACTIVITY FOR GIRLS AND

Ngày tải lên: 05/03/2014, 13:20

214 560 1
Báo cáo khoa học: Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by rational and semi-rational design pdf

Báo cáo khoa học: Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by rational and semi-rational design pdf

... domain of up to 4.3 A ˚ , and of exposed parts of the Rossmann domain of up to 2.7 A ˚ , are observed. For the rest of the homotetramer- ic assembly, only smaller backbone displacements of up ... flavin cofactor is likely to affect the kinetics of. .. and 10 lL of the supernatant were added to 80 lL of chromogenic assay mixture (0.035 mgÆmL)1 of horseradish peroxidase and 0.7 ... Christina Divne 3 and Dietmar Haltrich 1 1 Department of Food Sciences and Technology, BOKU–University of Natural Resources and Applied Life Sciences, Vienna, Austria 2 Institute of Enzymology,

Ngày tải lên: 07/03/2014, 03:20

17 438 0
Báo cáo khoa học: Investigating the role of the invariant carboxylate residues E552 and E1197 in the catalytic activity of Abcb1a (mouse Mdr3) docx

Báo cáo khoa học: Investigating the role of the invariant carboxylate residues E552 and E1197 in the catalytic activity of Abcb1a (mouse Mdr3) docx

... Investigating the role of the invariant carboxylate residues E552 and E1197 in the catalytic activity of Abcb1a (mouse Mdr3) Isabelle Carrier and Philippe Gros Department of Biochemistry and McGill Cancer ... one of the largest and most conserved gene families known [5,6]. Mutations in about half of the 48 human members cause diseases and phenotypes including MDR, and make this family of proteins of ... reminiscent of previous studies of double-mutants of the IC in human and Fig. 3. Photolabeling of Abcb1a NBD mutants by vanadate trapping with Mg-8- azido-[a 32 P]ATP. Purified and activated wild- type and

Ngày tải lên: 07/03/2014, 06:20

13 459 0
Báo cáo khoa học: Anti-HIV-1 activity of 3-deaza-adenosine analogs Inhibition of S-adenosylhomocysteine hydrolase and nucleotide congeners pot

Báo cáo khoa học: Anti-HIV-1 activity of 3-deaza-adenosine analogs Inhibition of S-adenosylhomocysteine hydrolase and nucleotide congeners pot

... DZNep and NepA were the most potent inhibitors of HIV-1 p24 antigen production, yielding IC50 values of 0.016 and 0.018 lM, respectively DZAri and DZA showed similar IC50 values of 0.22 and 0.20 ... ¼ 4.8 lM), and similar IC50 values were observed for the A012 strain Correlation of anti-HIV-1 activity and inhibition of AdoHcy hydrolase Figure shows the correlation of the log of the IC50 ... anti-HIV-1 activity of other types of dideoxy nucleosides, the conversion of the DZA analogs to their dideoxy derivatives, ddDZA and ddDZAri, did not improve upon the anti-HIV activity of DZA or

Ngày tải lên: 08/03/2014, 08:20

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Báo cáo khoa học: Solution and membrane-bound chaperone activity of the diphtheria toxin translocation domain towards the catalytic domain" doc

Báo cáo khoa học: Solution and membrane-bound chaperone activity of the diphtheria toxin translocation domain towards the catalytic domain" doc

... crystal structure of the toxin. The spectra of CT and its two mutants were identical, and showed a mixed content of a and b structures compatible with a contribution of the C and T domains. In ... pK 1 ⁄ 2 = 4.7 and a final F ⁄ F 0 of 49%. (C) Trp fluo- rescence of C, T, CT W206 ⁄ 281F and CT W50 ⁄ 153F in the presence of anionic LUVs as a function of pH. In the case of T and CT W50 ⁄ 153F , the ... The spectra of T showed a strong peak at 292 nm, attrib- uted to Trp, as described previously [4,5]. The spectra of CT and its mutants exhibited both the signals of Phe from C and of Trp from C and

Ngày tải lên: 14/03/2014, 22:20

10 337 0
Báo cáo khoa học: Regulation of matrix metalloproteinase activity in health and disease pdf

Báo cáo khoa học: Regulation of matrix metalloproteinase activity in health and disease pdf

... Regulation of matrix metalloproteinase activity in health and disease Elin Hadler-Olsen, Bodil Fadnes, Ingebrigt Sylte, Lars Uhlin-Hansen and Jan-Olof Winberg Department of Medical Biology, Faculty of ... site, and are potential binding sites of specific MMP inhibitors Knowledge about regulation of MMP activity is essential for understanding various physiological processes and pathogenesis of diseases, ... molecules, and hence affect or determine the activity, substrate specificity, and cell and tissue localization, as well as activation, of MMPs Activation of proMMPs requires physical delocalization of

Ngày tải lên: 15/03/2014, 00:20

18 464 0
Báo cáo khoa học: Construction and biological activity of a full-length molecular clone of human Torque teno virus (TTV) genotype 6 pptx

Báo cáo khoa học: Construction and biological activity of a full-length molecular clone of human Torque teno virus (TTV) genotype 6 pptx

... Hoeben2, Klaus Hedman1 and Maria Soderlund-Venermo1 ă Department of Virology, Haartman Institute and Helsinki University Central Hospital, University of Helsinki, Finland Department of Molecular Cell ... SalI double-digestions of the input linear construct yielded three restriction fragments of approximately 2100, 740 and 890 bp with the first enzyme pair, and of 2200, 630 and 890 bp with the latter ... when cloned as tandem repeats [29] and CAV requires either tandem-repeat cloning or excision of the viral genome from the plasmid before transfection [30] The rescue and replication of the viral

Ngày tải lên: 16/03/2014, 05:20

12 446 0
báo cáo khoa học: " Activity of enzymes and fitness variation" doc

báo cáo khoa học: " Activity of enzymes and fitness variation" doc

... in the G-5 and G-10 generations of this selection Greater activity of a majority of enzymes was found in the fast group and, vice versa, lower activity was observed in the slow groups of flies ... presents the analyses of variances in activities of enzymes (A) between and (B) within G-1, G-5, and G-10generations of selection for fast and slow prea- dult development of D melanogaster In ... enzymes The activities of some of the studied enzymes are significantly positively associated (e.g ldh, and Me, ldh and a-Gpd, Me and a-Gpd, Adh and ldh, etc.) On the other hand, there is marginally...

Ngày tải lên: 09/08/2014, 22:22

16 180 0
Investigations on the antimalarial activity of alkoxylated and hydroxylated chalcones 3

Investigations on the antimalarial activity of alkoxylated and hydroxylated chalcones 3

... effects of pepstatin A and E64 on the enzymatic activity of a crude P yoelii extract They found that the breakdown of radiolabelled methemoglobin was reduced by 71% and 26% in the presence of pepstatin ... MODE OF ANTIMALARIAL ACTIVITY OF CHALCONES 6.1 Introduction The mode of action of chalcones in malaria remains uncertain As described in the Introduction (Section 1.3.1 ) the antimalarial activity ... inhibition of methemoglobin breakdown and in vitro antimalarial activity Inhibition of falcipain-2 is accompanied by visible changes in the digestive vacuole of Plasmodium, namely the appearance of swollen...

Ngày tải lên: 17/09/2015, 17:18

45 234 0
Investigations on the antimalarial activity of alkoxylated and hydroxylated chalcones 2

Investigations on the antimalarial activity of alkoxylated and hydroxylated chalcones 2

... 100 80 % of Compounds A 60 40 20 A B C D Le ve l of activity E A B C D Level of activity E 60 40 20 A B C D Level of activity E Figure 5.8 a-d Steric and electrostatic contour maps of CoMFA models ... determinants of activity These are dipole moment, disubstitution, molar refractivity and log kw, in order of decreasing importance Of these descriptors, dipole moment and log kw influenced activity ... Determination of in vitro antileishmanial activity Antileishmanial activity is not determined by the candidate but carried out in Dr Simon L Croft’s laboratory in the London School of Hygiene and Tropical...

Ngày tải lên: 17/09/2015, 17:18

42 196 0
Investigations on the antimalarial activity of alkoxylated and hydroxylated chalcones 1

Investigations on the antimalarial activity of alkoxylated and hydroxylated chalcones 1

... AIM OF THESIS AIM OF THESIS The aim of this thesis is to obtain a better understanding of the antimalarial activity of chalcones This is to be achieved by synthesis, evaluation of antimalarial activity, ... and there is a better understanding of the mode of action of antimalarial agents like chloroquine and artemisinin Secondly, the successful sequencing of the genome of P falciparum will undoubtedly ... the importance of the azomethine nitrogen Because of the commercial availability of isomeric quinoline aldehydes and naphthalene aldehydes, the effect of position of attachment on activity is also...

Ngày tải lên: 17/09/2015, 17:18

73 162 0
ANALYSIS OF MICROBIAL COMMUNITY STRUCTURE AND IN SITU ACTIVITY OF NITRIFYING BIOFILMS

ANALYSIS OF MICROBIAL COMMUNITY STRUCTURE AND IN SITU ACTIVITY OF NITRIFYING BIOFILMS

... microprofiles of O2, NH4+, NO2-, and NO3- in the autotrophic nitrifying biofilm (B) The distribution and magnitude of the estimated specific rates of net consumption and production of NH4+, NO2-, and ... organization of nitrifying bacterial populations and the in situ activity of these populations within the biofilms was discussed Microsensors For analysis of microbial structure and function (activity) of ... only net chemical profiles, and the spatial resolution is also above a single-cell level To address the question of the higher abundance and activity of SRB in oxic zones of biofilms (Okabe et al.,...

Ngày tải lên: 05/09/2013, 08:40

10 712 0
Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

... between EGF-induced reduction in Bid and tBid levels and the ubiquitin ligase activity of Itch In this study, we first examined the ability of Itch to interact with Bid and tBid We found that Itch specifically ... inset) n = conditions [29] Treatment of HEK-293T cells with TRAIL is known to induce caspase activity and cleavage of Bid in tBid [30] In our hands, treatment of HEK-293T cells with 200 ngÆmL)1 ... ± 0,02% of control; P = 0.001 for cell survival and 0.94 ± 0.03 of control for caspase activity) , and treatment with EGF slightly increased this effect on cell survival (88.4 ± 2.0% of control;...

Ngày tải lên: 16/02/2014, 09:20

12 719 0
Tài liệu Báo cáo khoa học: Structural effects of a dimer interface mutation on catalytic activity of triosephosphate isomerase The role of conserved residues and complementary mutations pptx

Tài liệu Báo cáo khoa học: Structural effects of a dimer interface mutation on catalytic activity of triosephosphate isomerase The role of conserved residues and complementary mutations pptx

... selection of recombinants The sites incorporated were HaeIII, NcoI and BamHI (Table 1) The PCR mix contained 200 ng of each primer, 20 ng of the template, 200 lm of each dNTP and units of Taq DNA ... subunit dissociation [27] and also in maintaining the geometry of the active site The availability of crystal structures of TIMs from 21 sources and the large database of TIM sequences from various ... 5.5 and w = )144.1 7.0 [53] The distribution of the / and w values of all other Lys residues in the TIM structure is shown for comparison The possible role of energetically unfavorable Ramachandran...

Ngày tải lên: 18/02/2014, 11:20

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w