haas dna adduct formation and fidelity of polymerases during translesional synthesis
Báo cáo khoa học: Amyloid oligomers: formation and toxicity of Ab oligomers ppt
Ngày tải lên :
06/03/2014, 09:22
... agents of AD; however, the biological and structural characteristics of Ab oligomers and their formation mechanism remain unclear Structure and size of soluble Ab oligomers Many types of natural and ... visualization of Ab oligomer at the molecular level in living cells and animal models, may be required to elucidate the mechanism of formation of Ab oligomers Possible mechanism of soluble oligomer formation ... complexity of the oligomer formation mechanism The mechanisms of formation may also differ for extracellular and intracellular oligomers In this section, we discuss possible formation mechanisms of extracellular...
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Báo cáo khoa học: Metabolism of N-methyl-amide by cytochrome P450s Formation and characterization of highly stable carbinol-amide intermediate pdf
Ngày tải lên :
22/03/2014, 16:20
... retention time and MS cleavage of Ala1-TTX; and (c) the relative amounts of M1 and M2 were different depending on the acidity of the HPLC eluent or on the time elapsed between incubation and analysis ... the presence of acetic acid and allow the detection of different adducts of M1, in negative or positive modes (Table and Fig 3) In the negative mode, m z at 399, 411, 429, 465, 467 and 489 are ... characterization of stable carbinol-amide Table MS and MS-MS fragments of M1 TTX metabolite (in bold) and tentative assignment of loss of fragments obtained after HPLC-MS ESI in positive and negative...
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Báo cáo hóa học: " Formation and reinforcement of clusters composed of C60 molecules" pptx
Ngày tải lên :
21/06/2014, 06:20
... Mechanochemical synthesis and characterization of the fullerene dimer C120 J Org Chem 1998, 63:9358 21 Wood JM, Kahr B, Hoke SH, DejarmeII L, Cooks RG, Ben-Amotz D: Oxygen and methylene adducts of C60 and ... fullerene ozonide: Synthesis and dissociation to C60O and O2 J Am Chem Soc 2000, 122:11473 28 Weisman RB, Heymann D, Bachilo SM: Synthesis and characterization of the “missing” oxide of C60: [5,6]-open ... Photochemical transformation of C60 and C70 films Thin Solid Films 1995, 257:185 Rao CNR, Govindaraj A, Aiyer HN, Seshadri R: Polymerization and pressureinduced amorphization of C60 and C70 J Phys...
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Báo cáo hóa học: " Formation and Organization of Amino Terminated Self-assembled Layers on Si(001) Surface" docx
Ngày tải lên :
22/06/2014, 18:20
... mixture of NH3 (25%, v/v), H2O2 (30%, v/v), and deionized water having a volume ratio of 1:1:5 at the temperature of 70 °C during 20 Afterward, the substrates were washed with ethanol and dried ... SiO2 layer and 1.4600 for the TPDA layer in the model have been applied Results and Discussion Effect of Dipping Time We have firstly looked at the effect of dipping time on the formation of TPDA ... and then, they react Fig Effect of solution dipping time on the film thickness and water contact angle 123 352 with the substrate surface groups chemically, i.e., by elimination of water and formation...
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FORMATION AND CHARACTER OF THE SOIL docx
Ngày tải lên :
29/06/2014, 15:20
... consist of a mixture of different kinds of minerals; and some, consisting chiefly of one ingredient, are of different degrees of hardness Both of these changes must affect the character of the ... after rains, and bakes quite hard during drought; while a light sandy soil is plowed with ease, often allows water to pass through immediately after rains, and becomes dry and powdery during drought ... the sand, clay, and vegetable matters which they contain From analyses of many fertile soils, and of others which are barren or of poorer quality, it has been ascertained that the presence of certain...
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FORMATION AND CHARACTER OF THE SOIL pptx
Ngày tải lên :
29/06/2014, 15:20
... consist of a mixture of different kinds of minerals; and some, consisting chiefly of one ingredient, are of different degrees of hardness Both of these changes must affect the character of the ... after rains, and bakes quite hard during drought; while a light sandy soil is plowed with ease, often allows water to pass through immediately after rains, and becomes dry and powdery during drought ... the sand, clay, and vegetable matters which they contain From analyses of many fertile soils, and of others which are barren or of poorer quality, it has been ascertained that the presence of certain...
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Báo cáo vật lý: "FORMATION AND MORPHOLOGY OF COLLOIDAL CHITOSAN-STABILIZED COPPER SULFIDES" pdf
Ngày tải lên :
07/08/2014, 14:20
... (2000) Synthesis and characterization of CuxS nanoparticles Nature of the infrared band and charge-carrier dynamics Pure Appl Chem., 72, 101–117 Ding, T., Zhang, J., Long, S & Zhu, J (2003) Synthesis ... Sonochemical synthesis and characterization of Ag2S/PVA and CuS/PVA nanocomposite Ultrason Sonochem., 9, 65–70 Khiew, P.S., Radiman, S., Huang, N.M & Soot Ahmad, M (2004) Synthesis and characterization of ... mixture 3.2 Mechanism of Formation Dixit et al.24 have synthesized a similar mixture of copper sulfides using copper-ammonia complex and thiourea Based on their work, the formation of covellite, CuS...
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Báo cáo y học: "HLA-G DNA sequence variants and risk of perinatal HIV-1 transmission" pptx
Ngày tải lên :
10/08/2014, 05:20
... pairs of HIV-1-infected mothers and their uninfected children and 20 pairs of mothers and children who were HIV-1infected Analysis of the HLA-G DNA sequences of exons 2, 3, 4, 6, 7, a part of 8-3'UTR ... resulted in 85.7% (12/14) of the mother-child pairs showing dissimilarities of banding profiles among the HIV-1-non-transmitting group and 90% (18/20) similarity of banding profiles among the HIV-transmitting ... as follows: 100 ng of DNA, μM of each primer: 200 μM of each dNTP (Promega, Madison, WI) and 0.5 U Taq polymerase in 10× buffer (Fisher Scientific, Suwanee, GA) The 5'URR and 8-3'UTR PCR procedure...
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Báo cáo khoa hoc:" Formation and stability of oil-in-water nanoemulsions containing rice bran oil: in vitro and in vivo assessments" pdf
Ngày tải lên :
11/08/2014, 08:20
... 10.00% of rice bran oil, 5.00% of sorbitan oleate, 5.00% of PEG-30 castor oil, 0.05% of BHT antioxidant, 0.50% of preservative and 79.45% of distilled water 5.00% of sorbitan oleate, 5.00% of PEG-30 ... Williams HC, Bingham EA: Management of atopic eczema: Joint Workshop of the British Association of Dermatologists and the Research Unit of the Royal College of Physicians of London British Medical Journal ... Strong Page of Results and discussion Preparation of nanoemulsion The phase diagram with the rice bran oil, surfactants sorbitan oleate/PEG-30 castor oil and water shows formation of five different...
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Different functions of notch activation on formation and maintenance of rhombomere boundaries
Ngày tải lên :
14/09/2015, 08:44
... before and (d) after mercury and lead adsorption of (a) chitosan, and (b) XII Figure 6.1 SEM images of the surfaces: (a) DCHB and (b) DCHB-PAAc beads Figure 6.2 FTIR spectra of (a) DCHB and (b) ... adsorption of heavy metals because this can prevent second pollution of heavy metals and allow recovery and reuse of the different types of heavy metals that are usually the common and often expensive ... Liu Changkun, Mr Wee Kin Ho and Mr Han Wei In addition, I also appreciate the assistance and cooperation from lab officers and technicians of Department of Chemical and Biomolecular Engineering...
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Detection, formation and reactivity of tetravalent lead corrosion product (pbo2) and its role in water quality in drinking water distribution system
Ngày tải lên :
30/09/2015, 06:15
... kinetics of PbO2 formation from the chlorination of Pb(II) carbonate solids, and (3) explore the stability of PbO2 in chloraminated water in the presence of Br- to advance our understanding of the ... stability of PbO2 and trigger high levels of lead released into drinking water Lin and Valentine [21] investigated the reduction of PbO2 in the presence of NH2Cl and found that the amount of Pb(II) ... showed that the formation of PbO2 from the chlorination of hydrocerussite was accompanied by the formation of cerussite while the chlorination of cerussite only resulted in PbO2 formation Similar...
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Báo cáo y học: "Residual sleep disturbance and risk of relapse during the continuation/maintenance phase treatment of major depressive disorder with the selective serotonin reuptake inhibitor fluoxetine" docx
Ngày tải lên :
08/08/2014, 23:21
... 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 treatment ... laboratory evidence of hypothyroidism without adequate and stable replacement therapy; or had a history of nonresponse to an adequate trial of a SSRI (defined as a 4week trial of ≥ 40 mg of fluoxetine ... sum of items 4, 5, and 6), or total hypersomnia burden (the sum of items 22, 23, and 24) entered separately Gender and chronicity were added to the model since they were found to predict risk of...
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Báo cáo y học: " The role of surfactant protein D in the colonisation of the respiratory tract and onset of bacteraemia during " doc
Ngày tải lên :
12/08/2014, 18:20
... colonisation of the nasopharynx and trachea, hastens the onset and development of bacteraemia, and affects leukocyte infiltration patterns into infected lungs SP-D is synthesised and secreted ... cells and submucosal glands of the trachea of the normal adult mouse [20] and has been detected at low concentration (56 ng/ml) in nasopharyngeal washings of normal mice [21] Based on Page of 12 ... results clearly demonstrate that lack of SP-D allows persistent pneumococcal colonisation of the nasopharynx and trachea and early onset and increased levels of bacteraemia in colonised mice Our...
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Báo cáo khoa học: "The origin and interpretation of hyperlactataemia during low oxygen delivery states" pps
Ngày tải lên :
13/08/2014, 03:20
... development of hyperlactataemia during CPB and illustrates the association of the latter with greater morbidity during the postoperative period Further insight is gained into the significance of monitoring ... presence of an increased lactate:pyruvate ratio in association with acidosis, low oxygen delivery and hyperlactataemia during CPB would be conclusive evidence that inadequate oxygen delivery and anaerobic ... as a means of guiding oxygen delivery during CPB Future studies may definitively identify ‘type A’ lactic acidosis during critical illness by demonstrating the concurrent association of hyperlactatemia,...
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Báo cáo y học: "Pharmacokinetics and pharmacodynamics of danaparoid during continuous venovenous hemofiltration: a pilot study" ppt
Ngày tải lên :
13/08/2014, 08:20
... at a peak anti-Xa level of less than 1.0 and a maintenance level of between 0.5 and 0.7 anti-Xa-U/mL Lindhoff-Last and colleagues [5] have suggested that a loading dose of 750 antiXa-U IV followed ... Course of the levels of anti-Xa activity (left after a loading dose panel) and prothrombin fragment F1+2 (right panel) during the first 24 hours of treatment with a continuous danaparoid infusion of ... 8) probability of HIT With the exception of patient 2, all patients had positive antibodies against the heparin/PF4 complex Pharmacokinetics and pharmacodynamics of danaparoid during continuous...
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Báo cáo y học: "The gain and loss of genes during 600 million years of vertebrate evolution" pps
Ngày tải lên :
14/08/2014, 16:21
... were created during 1R/2R can still be lost after they have survived for hundreds of millions of years of evolution Some of those genes are lost only after the divergence of human and rodents, ... in the common ancestor of the fishes, not shared with land vertebrates (TP12), resulting in gene1 and gene1' for both DR and TN Finally, DR gene1 and gene1" are the result of a species-specific ... genome duplication event during the evolution of the actinopterygian lineage Both Vandepoele et al [9] and Christoffels et al [24] identified duplicated genes in Takifugu and estimated that 3R took...
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Báo cáo sinh học: " Estimation of crossbreeding parameters between Large White and Meishan porcine breeds. II. Growth before weaning and growth of females during the growing and reproductive periods" potx
Ngày tải lên :
14/08/2014, 20:20
... between birth and weaning (4, 16 and 14% for UWB, UADG 0-21 and UW21 respectively) Grand maternal and paternal heterosis effects we small e l and non significant, except at birth where a grand maternal ... Breed of sow and breed of piglet effect on milk intake and growth of piglets; Meishan versus Dutch pigs In: ,!Oth Annual EAAP, Dublin, Ireland, August 1989, Commission on pig production, Meeting of ... between second and first parity and between second and third parity litters were respectively 68 31 g and 96 f 32 g for UWB; 0.44 + 0.12 kg and 0.25 :f: 0.13 kg for UW21; 17 55 g and 66 g for UADG...
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Tài liệu Báo cáo Y học: Temperature dependence of thermodynamic properties for DNA/DNA and RNA/DNA duplex formation pdf
Ngày tải lên :
22/02/2014, 07:20
... mds, and mss are the intercepts and slopes of the lower and upper baselines of the melting curves, respectively; T is the temperature of interest in Kelvin, a is the molar fraction of strands ... and heat capacity changes for formation of an oligomeric DNA duplex: interpretation in terms of coupled processes of formation and association of single-stranded helices Biochemistry 38, 84098422 ... Breslauer, K.J (1989) Inuence of abasic and anucleosidic sites on the stability, conformation, and melting behavior of a DNA duplex: correlations of thermodynamic and structural data Proc Natl...
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Báo cáo y học: "Ubiquitination of HTLV-I Tax in response to DNA damage regulates nuclear complex formation and nuclear export" pps
Ngày tải lên :
13/08/2014, 06:20
... Both LMB treatment of wt Tax and mutation of the NES (TaxM33) prevented the nuclear export of Tax following DNA damage [11] In addition, LMB treatment of wt Tax and mutation of the NES (TaxM33) ... Mutation of lysine residues 280 and 284 prevents UV-induced dissociation of Tax from TSS Mutation of lysine residues 280 and 284 prevents UV-induced dissociation of Tax from TSS Wild-type (A and B), ... mechanisms of Tax-mediated cellular transformation, it is the focus of intense interest Tax exists both in the nucleus and in the cytoplasm of HTLV-I-infected or Tax-expressing cells and its nuclear and...
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