nuclear barrier hypothesis of aging as mechanism for trade off growth to survival
Science Report: "Determining the value of an exchange energy of corn as feed for chickens by direct methods" pps
... from 3215 to 3798 kcal (on a dry matter basis) The highest one was of Bioseed 9723 (3798 kcal), and the lowest one was of Bioseed 9681 (3215 kcal) As the GE value, the ME values of corn measured ... one was of Silidim variety, and the lowest one was of Bioseed 9723 (10.90%) The water content or the moisture of corn is one of the important factors, which not only affects the quality of corn, ... practiced to consume 800 - 110 gram of diet for one hour - Measured the feed transit time of test ingredients Results showed that the transit time of all feed was less than 30 hours Determination of...
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Reactive oxygen species mediated regulation of the na+ h+ exchanger, NHE 1 gene expression a new mechanism for tumor cells resistance to apoptotic cell death
... involvement of mitochodria In cell-surface receptor induced apoptosis, activation of Fas or TNF receptor leads to the activation of initiator caspase 8, followed by the activation of downstream effector ... effector caspases (Fig B) In mitochondrial or intrinsic pathway, upon apoptotic triggers there is a release of mitochondrial contents, most notably cytochrome C, into the cytosol This leads to the formation ... (Inhibitor of apoptosis proteins) bind to caspases and inhibit their activity Another player with the Fig B Death-Receptor mediated Apoptosis Fig C Mitochondial pathway of Apoptosis dual name of...
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Báo cáo sinh học: " Research Article Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to Ultra-Low Bit-Rate Speech Coding" pdf
... case, the resolution range was extended to lower values for a better comparison For the 2D-transform coding methods, the temporal size was varied from to 20 for voiced LSFs, and from to 10 for ... segmentation was based on the TIMIT label files which contain the phoneme labels and boundaries (given as sample indexes) for each sentence A LSF vector was classified as voiced if at least 25% of the ... calculated for each of these resolutions a weighted average value of the spectral distortion (ASD), the weights being the bins of the histogram of Figure (for the test corpus) normalized by the total...
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Báo cáo y học: "CD134 as target for specific drug delivery to T cells in adjuvant arthritis" pps
... = to rats per group for t = 0, n = rats per group for t = 7, n = to rats per group for t = 10, n = to rats per group for t = 14, n = to rats per group for t = 21, and n = to rats per group for ... pulsed for 18 to 20 hours with [3H]thymidine as described above, after which [3H]thymidine incorporation was measured Results are expressed as the mean percentage of inhibition of proliferation of ... found early in AA was enriched for activated auto-aggressive CD4+ T cells, as shown by the specific response to the diseaseassociated epitope Mt HSP60176–190 Specific targeting to CD134+ T cells...
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Báo cáo y học: "Use of WHO clinical stage for assessing patient eligibility to antiretroviral therapy in a routine health service setting in Jinja, Uganda" pdf
... In September, 2004, TASO began providing ART as part of HIV care Registered clients were asked to come forward for screening Eligibility for ART was assessed over visits, usually scheduled over ... of ART delivery (home-based versus facility-based) The trial was integrated into routine health service delivery [9,10] Clinical management of trial participants was done by TASO staff and was ... was identical to that in non-trial participants Trial subjects were asked for ml of blood, just prior to starting ART, in order to test plasma RNA viral load This testing was done for research...
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TOWARDS THE EXPLOITATION OF PROJECT – BASED LEARNING FOR GROUP WORK ACTIVITIES TO ENHANCE THE ENGLISH SPEAKING SKILL OF THE THIRD – YEAR ENGLISH MAJORED STUDENTS AT HONG DUC UNIVERSITY Nghiên cứu việc khai thác phương pháp dạy học theo dự án thông qua các
... prudent to keep groups as small as possible to promote positive interdependence, yet as large as necessary to provide sufficient diversity of opinions and backgrounds as well as resources to get ... and foremost, they need a motivation to be eager and encouraged to speak, for example, they have something new to share, want to contribute to the task achievement or just they are fond of the topic ... instruction of speaking skill knowledge; a formation of project groups and topics on the basis of the students’ interests and needs; assigning member roles and coordinators for each group… (2) A time of...
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Genetic engineering and surface modification of baculovirus derived vectors for improved gene delivery to the central nervous system
... procedure of producing baculovirus particles is relatively easy comparing to other types of viral vectors, such as Lentivirus which needs cotransfection of a set of plasmids for each batch of virus ... luciferase expression measurements 2.2.9 Luciferase Expression Measurement Ten µl of sample lysate was mixed with 50 µl luciferase substrate (Luciferase assay system, Promega), incubated for sec to ... has the potential to become protonated The branched form of PEI has yielded significantly greater success in terms of cell transfection, and is therefore the standard form of PEI for gene delivery...
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Hydrophobic and hydrophilic substituted polyphosphazenes as scaffolds for liver cell growth
... necessary for survival, i.e it is responsible for production of a number of the proteins, 95% of which are found in plasma such as serum albumin It is also well known for detoxification of compounds ... is a broad class of inorganic polymer with the general formula of [NPR]2, was studied in this thesis as it has different chemical side group which can be easily modified and used to control the ... of the total of the body weight), of which the hepatocyte mass represents approximately 1.2 kg [31] Hepatocytes (Figure 2.5) are anchorage-dependent cells and therefore require a substratum to...
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an evaluation of e learning websites for english learning accessible to vietnamese learners in terms of motivating students to speak english
... he angry to see me? 46 Five-fifteen is too early to go to sleep We‟re sorry we didn‟t meet you before It‟s really easy to keep studying English Do you feel like a piece of coffee? Everyone ... offering Results of the measurements can be used to improve the offering, determine whether the learning objectives have been achieved and assess the value of the offering to the organization This ... the result of our assessment 1.3.2 Purposes of evaluation According to Khan (2001) there basically are two reasons for program evaluation The first one is for decision-making in helping to improve...
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effects of magnesiumphosphoruspotassium containing in water on molting, growth and survival rate of the white shrimp (litopenaeus vannamei) juveniles, reared in low salinity water
... reasonable amount in seawater In contrast to calcium, phosphorus has to be added to the diet, but according to the pH of the anterior part of the stomach differences are expected in relation to ... consisted of L vannamei (2,259,183 tones) Such dominance was attributed to an 18fold increase of production in Asia, from 93,648 MT in 2001 to 1,823,531 MT in 2008, which accounts for 82% of the total ... capacity to osmoregulate 2.3 Effect of low salinity on the growth and survival rates of white shrimp (L.vannamei) The ability of L.vannamei to tolerate a wide range of salinities (0.5-40 ppt) has made...
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A new mechanism for modulation of schottky barrier heights on silicon nanowires
... charges may exist close enough to the MS interface to influence the shape of the Schottky barrier The result of a theoretical calculation for the barrier lowering of a wire with 10 Â 10 nm2 cross ... edge [12] For a planar MS structure, where the semiconductor doping is low enough not to influence the barrier height, the sum of the electron and hole barriers is equal to the semiconductor band ... doping of about 1015 cmÀ3 as used in the experiment of Ref [10], this corresponds to a Fermi level position at 0.28 eV from the conduction band Therefore, in the bulk of an n-type semiconductor,...
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A STUDY ON THE USE OF CLASSROOM DISCIPLINE AS MOTIVATION FOR SECOND LANGUAGE ACQUISITION IN THE CONTEXT OF ENGLISH LANGUAGE TEAC
... of discipline as a synthesis presence of a number of complementary factors She also emphasizes the equal importance among the factors as well as pictures the general look of a disciplined classroom ... factors in addition to the roles of teachers and learners Many a resource book for teachers take these factors for granted while offering sound, detailed, practical, down -to- earth advice for ... light of these two considerations, pupils would be expected as a minimum part of their role to be interested in being learners, to develop skills of listening to a teacher’s exposition of a topic...
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The Potential of Biofumigants as Alternatives to Methyl Bromide for the Control of Pest Infestation in Grain and Dry Food Products
... effective tool for the control of stored-product insect pests In view of the scheduled phaseout of methyl bromide under the Montreal protocol, the role of phosphine in grain protection has increased ... μL·L−1 air for day to achieve total mortality of all the test insects except for Trogoderma larvae In the case of CS2 , adults of Tribolium were found to be the most resistant, followed by Sitophilus, ... Concentration, μL·L-1 Top 20 120 Bottom Top to bottom Top to bottom Insects’ height, cm (top–bottom) 100 Oryzaephilus 100% mortality of all insects 100% mortality of all insects 100 100 Rhyzopertha...
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Tài liệu Báo cáo khoa học: Deciphering enzymes Genetic selection as a probe of structure and mechanism docx
... great challenges for enzyme engineering Genetic selections of Methanococcus jannaschii CM (MjCM) [14] were used to assess the tolerance of a protein fold to secondary structures of varying sequence ... chorismate mutase–prephenate dehydratase were deleted Monofunctional versions of the dehydratase and the dehydrogenase are provided by plasmid pKIMP-UAUC Random gene libraries are introduced into this ... Design of the three binary-patterned libraries of Methanococcus jannaschii chorismate mutase The residues within the secondary structural elements of M jannaschii chorismate mutase were changed to...
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Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc
... nAChR as well as by their structure (for nomenclature of a-conotoxins see [31]) The w-conotoxin PIIIE has a structure similar to the voltage-gated Na+ channel-blocking l-conotoxins and acts as a ... amplification of Conus victoriae venom duct cDNA led to the discovery of the peptide sequence of Vc1.1 [81] detected by autoradiography As expected, formation of The synthetic peptide was not active ... not decrease toxin potency [64] [38,80] This makes a total of six a-conotoxins, four muscle This 125I-labelled analogue of MII was used to visualize a active and two neuronally active forms, that...
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Báo cáo khoa học: A novel mechanism of V-type zinc inhibition of glutamate dehydrogenase results from disruption of subunit interactions necessary for efficient catalysis doc
... molecular mass fragment relative quantitation was achieved using the ratio of the height of the emerging peak to that of the undigested GDH For MALDI-TOF calibration purposes, BSA was used as a standard ... centrifuging for to remove the immobilized protease Upon completion of limited proteolysis, identification of cleavage sites, through the use of MALDI-TOF, revealed molecular level detail in terms of exposed ... rate constant for the pre-steady state phase to be calculated The parameters for both the steady state phase and the pre-steady state phase are given in Table Effects of zinc on cofactor binding...
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Báo cáo khoa học: Homoadenosylcobalamins as probes for exploring the active sites of coenzyme B12-dependent diol dehydratase and ethanolamine ammonia-lyase docx
... Shibata N, Masuda J, Tobimatsu T, Toraya T, Suto K, Morimoto Y & Yasuoka N (1999) A new mode of B12 binding and the direct participation of a potassium ion in enzyme catalysis: X-ray structure of diol ... reductase [29] and a weak competitive inhibitor for methylmalonyl-CoA mutase [44] 2¢-DeoxyAdoCbl is 31%, 17%, and 5–13% as active as AdoCbl for diol dehydratase [38,45], glycerol dehydratase [41], ... dehydrogenase-NADH coupled assay method [55] was also used for the assays of both diol dehydratase and ethanolamine ammonia-lyase The reaction mixture contained an appropriate amount of apoenzyme,...
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Báo cáo khoa học: Complexes of Thermoactinomyces vulgaris R-47 a-amylase 1 and pullulan model oligossacharides provide new insight into the mechanism for recognizing substrates with a-(1,6) glycosidic linkages docx
... the NE2 atom of Gln396 (changed from Glu) forms a hydrogen bond with the O6 atom at the hydrolysing site, and Asp472 forms hydrogen bonds with the O2 and O3 atoms of Glc1 The OD1 atom of Asn356 ... the O3 atom of Glc–3 and Asp516, is found at subsites )3 to )5, suggesting that TVAI has (–) subsites that are more suitable for pullulan than for starch Phe313 changes the conformation of its ... found at subsites )3 to )5; the O3, O2, and O5 atoms of Glc–3 form hydrogen bonds with Ser182, His221, and Ser315, respectively, and the O2 atom of Glc–4 forms hydrogen bonds with Asp180 and Ser182,...
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Investigation of au and in as solvents for the growth of silicon nanowires on si(1 1 1)
... other works on the growth of silicon nanowires from indium by means of PVD were found In our case, the growth of nanowires from indium seems to be rather insensitive to change of parameters like ... tension tend to wet the substrate This could explain the formation of smaller droplets in the case of gold than in the case of indium on a bare silicon surface, i.e after desorption step for indium ... explanation based on differences of solubilities of surface atoms in gold and indium and on the different surface energies of the bare and oxidized substrate as well as on the surface tension of the...
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Báo cáo khoa học: Kinetic mechanism for p38 MAP kinase a A partial rapid-equilibrium random-order ternary-complex mechanism for the phosphorylation of a protein substrate potx
... the classic family of pyridinyl inhibitors related to SB 203580, whereas the c and d isoforms are not Thus, use of SB 203580, which has been the main 4632 pharmacological tool employed to date, ... inhibitor of p38 MAPKa with respect to ATF2D115 [25] Such a mechanism seemed to contradict the known predilection of the inhibitor for free p38 MAPKa, thus we decided to re-examine the mechanism of ... Kinetic mechanism for p38 MAP kinase a catalytic constant of kcat ¼ 1.2 s)1 for the phosphorylation of ATF2D115, the rapid equilibrium assumption is likely to provide a reasonable description of the...
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