skin absorption as studied by spectroscopic methods
Báo cáo khoa học: Catalytic transformations of supercoiled DNA as studied by flow linear dichroism technique doc
Ngày tải lên :
30/03/2014, 11:20
... ⁄ P) [15] Reduction of |q| upon increase of |r| was primarily associated with a decrease of the optical factor, which for the pitch angle 50° was as low as 0.12 However, electron microscopy data ... topoisomerization studied by FLD a local alteration of DNA geometry, seems reasonable for the description of the substrate properties of scDNA caused by supercoiling which might be recognized by topoisomerases ... DNA topoisomerization studied by FLD tion was used to separate plasmid DNA from protein contamination The separation of supercoiled and relaxed form of pUC19 was performed by Cycle gradient (1.55...
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Selected aspects of enzymatic catalytic activity studied by theoretical methods
Ngày tải lên :
19/11/2015, 15:47
... cluster in O2-tolerant hydrogenases characterized by 57Fe Mössbauer and EPR spectroscopy PNAS (2013), 110(2):483-488 (Contribution by DB: Support of the experimental studies by the electronic structure ... nitrite reduction by CcNiR adapted from ref.40 The ferrous-nitrosyl complex ({Fe(NO)}7 in the Enemark and Feltham notation42) was characterized spectroscopically and kinetically as well as through DFT ... reduction events was studied by protein film voltametry (PFV)46,47 and magnetic circular dichroism spectroscopy (MCD).48 Although it was speculated that the catalytic heme may act as a site for coordinated...
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Science Report: "Determining the value of an exchange energy of corn as feed for chickens by direct methods" pps
Ngày tải lên :
06/08/2014, 18:22
... ME content, was used In developed countries such as US, Canada, France, Australia, the ME content in chicken feedstuffs was calculated by direct methods in the 50 -60’s of the last century Vietnam, ... values (on a dry matter basis) measured by the direct method of maize (4071 4400 kcal) The GE values of maize measured by the direct method were different from the ones by the indirect method of ... (on a dry matter basis) by the direct method of maize were 3375 - 3895 kcal The ME content of maize measured by the direct method was different from the results calculated by the indirect method...
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Báo cáo y học: "Segment-orientated analysis of two-dimensional strain and strain rate as assessed by velocity vector imaging in patients with acute myocardial infarction"
Ngày tải lên :
25/10/2012, 11:15
... fraction (LV-EF) was calculated by the modified Simpson´s method LA and LV diameter were measured by M-Mode echocardiography High grade cardiac valvular disease was excluded by Color, PW and CW ... differences between basal, midventricular and apical myocardium (see Table 3) Table 3: Tissue velocities (S´, E´, A´) of basal, mid and apical segments as assessed by VVI S´ (cm/s) E´ (cm/s) Basal 3.64 ... and strain rate measurements by cardiac ultrasound: principles, implementation and limitations Eur J Echocardiogr 2000; 1(3): 154-170 Mirsky I, Parmley WW Assessment of passive elastic stiffness...
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Tài liệu Bài 11: ICA by Tensorial Methods docx
Ngày tải lên :
23/12/2013, 07:19
... EVD is considered more as a preprocessing step Eigenvalue decomposition can be viewed as diagonalization In our case, the developments in Section 11.2 can be rephrased as follows: The matrix ... written as F(M) = E f(zT Mz)zzT g 2M M)I tr( (11.20) 236 ICA BY TENSORIAL METHODS which is left as an exercice Thus, we could alternatively define the weighted correlation matrix using the tensor as ... corresponding to the k ICs whose indices are denoted by i(j ) The matrices Mi can be thus expressed as: Mi = k X j =1 T j wi(j ) wi(j ) (11.9) 232 ICA BY TENSORIAL METHODS Now, vectors that can be used to...
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Tài liệu All About Skin Pre-Foundation Products By Suzanne Patterson pptx
Ngày tải lên :
16/01/2014, 22:20
... loyalty by playing further upon user psychological well being By adding extra ingredients to skin prep products to hype them further as a vital “anti-aging” interface they entice the customer by making ... desired to layer over a skin primer if there is a combination of excessive oil, uneven skin texture, and skin reflective issues This helps bring a smoother matte texture to skin before applying ... irritate these kinds of skins, and bond better with its texture If skin is on the dry, flaky, or rough textured side then a silicone base primer will help to smooth out those areas and minimize finer...
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Tài liệu Air pollution during the 2003 European heat wave as seen by MOZAIC airliners ppt
Ngày tải lên :
17/02/2014, 10:20
... tagging a tropospheric particle that has got a high PV value by diabatic PV production in cloudy areas as a stratospheric-origin particle Once a particle has gone across a boundary limit of the ... corresponding climatologies As expected, results show again elevated ozone overpassing the climatological value by more than 40 ppbv over the heat wave period, as well as the change in the vertical ... sources to the measured CO mixing ratios, with a possible impact on ozone production 5.3 Biomass burning CO emissions Major source regions of biomass burning in Southern Europe as well as of Saharan...
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Tài liệu Báo cáo khoa học: Destabilization of psychrotrophic RNase HI in a localized fashion as revealed by mutational and X-ray crystallographic analyses pdf
Ngày tải lên :
18/02/2014, 13:20
... such as Asp12, Glu50, Asp72 and Glu133, are clustered in the vicinity of Asp136 It has been reported that the corresponding mutation (Asp134 fi His) stabilizes Ec-RNase HI by 7.0 °C in Tm as a ... thermophilus RNase HI (Tt-RNase HI) Gly39 and Gly97 are conserved as Gly41 and Gly100 in Tt-RNase HI, respectively Val76 is conserved as Val74 in Ec-RNase HI Asn90 is conserved as Gln96 in RNase HI from ... encoding R97G-RNase HI, D136H-RNase HI, 5·-RNase HI and 6·-RNase HI were constructed by sitedirected mutagenesis using PCR as described previously [33] Plasmid pET500M or pET500M4x was used as template...
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Tài liệu Báo cáo khoa học: Amino acid discrimination by arginyl-tRNA synthetases as revealed by an examination of natural specificity variants doc
Ngày tải lên :
18/02/2014, 13:20
... sulphate was converted to l-canaline by arginase treatment, essentially as described previously [61] The arginase required for this was obtained as a crude extract from the leaves of Canavalia brasiliensis ... the native protein) in the soybean arginyl-tRNA synthetase was not targeted by this protease The position of the cleavage was confirmed by N-terminal protein sequencing The results reported here ... reverse transcriptase (Invitrogen, Karlsruhe, Germany) Sequences were identified by blast comparison (http://www.ncbi.nlm.nih.gov/blast/Blast.cgi) Gene for arginyl-tRNA synthetase The gene for...
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Tài liệu Báo cáo khoa học: Enzymatic properties of wild-type and active site mutants of chitinase A from Vibrio carchariae, as revealed by HPLC-MS pptx
Ngày tải lên :
20/02/2014, 01:20
... When chitinase A was incubated with (GlcNAc)2, neither a decrease in (GlcNAc)2 nor an increase in GlcNAc was observed upon incubation up to 57 h (Fig 3A) In contrast, when (GlcNAc)3 was the substrate, ... colorimetric assays In order to relate our findings to this standard methodology, hydrolysis of p-nitrophenol substrates was studied by using both methods As with (GlcNAc)2, chitinase A did not ... mm was determined after of reaction Given the fact that chitinase A produced (GlcNAc)2 as the major end product, the initial velocity of all the substrates was calculated based on the release...
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Tài liệu Báo cáo khoa học: Si-face stereospecificity at C5 of coenzyme F420 for F420H2 oxidase from methanogenic Archaea as determined by mass spectrometry ppt
Ngày tải lên :
20/02/2014, 03:20
... Protein was determined with the RotNanoquant-Microassay from Roth (Karlsruhe, Germany) using bovine serum albumin as standard Assay to determine the stereospecificity of F420H2 oxidase The assay ... trifluoroacetic acid (TFA) The column was then washed with 0.1% (v ⁄ v) TFA to remove salts and was then eluted with 84% (v ⁄ v) acetonitrile ⁄ 0.1% (v ⁄ v) TFA The eluate was dried by vacuum centrifugation ... F420-dependent reductase (Mer) [15]; F420H2 dehydrogenase complex (Fpo) [15]; F420H2 : NADP+ oxidoreductase (Fno) [17,18]; and F420-dependent glucose-6-phosphate dehydrogenase (Fgd) [6] Adf, Mer...
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Tài liệu Báo cáo Y học: The solution structure and activation of visual arrestin studied by small-angle X-ray scattering pot
Ngày tải lên :
22/02/2014, 07:20
... purification Wild-type arrestin was prepared from bovine retina [7], while arrestin R175Q was expressed from yeast cells and purified as previously described [12] In both cases, the arrestin yielded ... Forward scattering, I(0)total, was plotted as a function of the mass concentration of arrestin, [arrestin]total, and the curve was fit to Eqn (5) using nonlinear regression as implemented in the program ... region (S values from 0.06 to 0.08 nm)1) was available for the analysis The increase of molecular mass in response to increased protein concentration was much less dramatic through this concentration...
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Tài liệu ESP TARGET SITUATION NEEDS ANALYSIS: THE ENGLISH LANGUAGE COMMUNICATIVE NEEDS AS PERCEIVED BY HEALTH PROFESSIONALS IN THE RIYADH AREA docx
Ngày tải lên :
24/02/2014, 18:20
... as the basis for designing ESP courses (Dudley-Evans, 1991) However, this approach has received major criticism for being 19 inflexible The initial Target-Situation Analysis model by Munby was ... setting was perceived as the greatest difficulty Based on the needs analysis, a course on Speaking and Listening in a Health-Care Setting was developed to respond to what was identified as students' ... Needs Assessment, Target Needs Analysis ESP TARGET SITUATION NEEDS ANALYSIS: THE ENGLISH LANGUAGE COMMUNICATIVE NEEDS AS PERCEIVED BY HEALTH PROFESSIONALS IN THE RIYADH AREA by MAJID ALHARBY B.A.,...
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Báo cáo khoa học: Influence of inflammation-related changes on conformational characteristics of HLA-B27 subtypes as detected by IR spectroscopy potx
Ngày tải lên :
06/03/2014, 00:21
... represented by red spheres Hydrogen bonds and salt bridges are depicted by dashed red lines (A) pVIPR-U5 drawn in purple as presented by B*2705 (B) pVIPR-U5 drawn in yellow as presented by B*2709 ... different kinetics of H ⁄ D exchange may assist in the assignment of absorption bands arising from different secondary structure classes [27,30–33] By contrast, IR experiments in D2O can also complicate ... B*2705) is strongly associated with AS, whereas another, HLA-B*2709 (in short, B*2709) is not [2,3,11] The proteins encoded by these two alleles differ only by a micropolymorphism (Asp116 in B*2705...
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As Required by Section 939(h) of the Dodd-Frank Wall Street Reform and Consumer Protection Act ppt
Ngày tải lên :
06/03/2014, 08:20
... across at least some asset classes However, some studies suggest that credit ratings have not historically been comparable across asset classes • Increasing transparency may be more feasible and ... terminology that applies across at least some asset classes, the staff found that credit ratings historically have not been comparable across asset classes and it may not be feasible to attain this comparability ... methodologies for specific asset classes Standardized scenarios, however, could require the creation and mapping out of thousands of assumptions to achieve relevancy for each asset class, industry, geographic...
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NICKEL AND THE SKIN Absorption, Immunology, Epidemiology, and Metallurgy pptx
Ngày tải lên :
06/03/2014, 09:21
... urticaria Asthma Rhinitis, eczema Asthma, rash Metal plating Asthma, urticaria Systemic NAH patients Bronchospasm, pruritus Urticaria Metal plating Metal plating Metal plating Asthma Asthma Asthma ... Provocation, RAST RAST (IgG) RAST (IgE, IgG), provocation Provocation Prick, passive transfer Patch Provocation, RAST Prick, RAST Provocation, patch Provocation, prick, patch Provocation, scratch, RAST ... Recovery as measured by transepidermal water loss (TEWL) demonstrated a marked improvement of the Aspects of Nickel Allergy 23 cream-treated test spots as compared to untreated skin Recovery was complete...
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HOW TO PASS AN IT AUDIT: As told by an enterprise end-user who deployed QualysGuard Policy Compliance pot
Ngày tải lên :
06/03/2014, 19:20
... document is to pass along tips we learned that may be useful as you consider adopting QualysGuard PC Objective My goal was to get our systems into a “steady state” as quickly as possible to meet ... priorities by weighing best practices such as NIST and CIS QualysGuard PC can also help Are all technically feasible controls defined inside the reporting template policy based on current paper-based ... clean and easy to read Compliance data was delivered on time and closed audits faster Moreover, the cost of the new solution was 90 percent cheaper than the previous platform and it worked as promised,...
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Báo cáo khoa học: Protein stabilization by compatible solutes Effect of diglycerol phosphate on the dynamics of Desulfovibrio gigas rubredoxin studied by NMR docx
Ngày tải lên :
07/03/2014, 21:20
... corroborated by the fact that mutations increasing thermostability while maintaining low-temperature activity are extremely rare [25] In fact, this rigidication has been revealed by HD exchange ... view was recently challenged by the observation of relatively fast exchange rates in the rubredoxin from Pyrococcus furiosus, the most stable protein known to date [27] In this context, assessing ... loop, was chosen as a model protein Its NMR solution structure was recently obtained [28] Also, RdDg is highly stabilized by diglycerol phosphate (DGP), a solute accumulated by the hyperthermophilic...
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