Ngày tải lên: 20/02/2014, 18:20
... to form both a-helix and b-sheet) that can serve as the nucleating core of amyloid fibril formation. The algorithm betascan [35] calculates likelihood scores for potential b-strands and strand-pairs ... ability to form b-strands. Hamodrakas et al. [26] have similarly looked for ‘conformational switches’ in sequences – regions with a high predicted tendency to form both a-helices and b-strands – ... complex. The ability to form b-strands is a predominant feature in most works, either in the form of statistical propensities or in the form of struc- tural stability. Yoon and Welsh [15] searched...
Ngày tải lên: 06/03/2014, 00:20
Báo cáo khoa học: Puroindoline-a and a1-purothionin form ion channels in giant liposomes but exert different toxic actions on murine cells pptx
... of PTHs and PINs to mammalian cells remain poorly understood. There- fore, as a first step toward understanding these mecha- nisms, we characterized (a) the pore-forming activity of PIN-a and a1-PTH ... post-translational proteolytic maturation which leads to two major forms (M r 12 750 and 12 919) and three minor ones (M r 12 634.7, 12 803.5 and 13 083.6). However, as reported by Blochet et al. [18], ... (2-mL or 4-mL capacity) and bathed in a standard physiological solution gassed with pure O 2 and composed of 154 mm NaCl, 5 mm KCl, 2 mm CaCl 2 ,1mm MgCl 2 ,11mm glucose, and 5 mm Hepes (adjusted...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: Transport of L-arginine and nitric oxide formation in human platelets pdf
... between the L -arginine transport systems y + L and y + and NO formation. The effects of N-ethylmaleimide and L -leucine on L -arginine uptake and on NOx forma- tion were closely correlated (y ¼ 0.284404x ... elevation, and the effect on NO and cGMP were closely related. It is likely that the L -arginine transport systems y + and y + L are both involved in supplying sub- strate for NO production and regulation ... regulates NO formation in platelets [7], macro- phages and endothelial cells [8]. Moreover experimental [9–11] and clinical studies [12–15] demonstrated that the decrease of vascular and platelet...
Ngày tải lên: 08/03/2014, 02:20
Báo cáo khoa học: a-Fetoprotein positively regulates cytochrome c-mediated caspase activation and apoptosome complex formation docx
... Apaf-1 and p53, and simultaneous overexpression of the antiapoptotic proteins Hsp70, Bcl-2 and Bcl-x L , resulting in tumor-specific sup- pression of apoptosis and enhancement of the malignance and ... 3, c-IAP-2 and AFP To study further the interaction between AFP, cIAP-2 and caspases 9 and 3, we precipitated pure recombinant active caspases 3 and 9 (His-tagged) with nickel resin and then incubated ... c/dATP-mediated apoptosome complex formation, enhances recruitment of caspases and Apaf-1 into the complex, and stimulates release of the active caspases 3 and 9 from the apoptosome. By using...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: Intrinsic disorder and coiled-coil formation in prostate apoptosis response factor 4 pptx
... F 1 ) and spectral widths of 8389.2 and 2128.9 Hz for F 2 and F 1 , respectively; rrPar-4DLZ: 20 transients, 2048 · 128 points (F 2 · F 1 ) and spectral widths of 8389.2 and 2128.9 Hz for F 2 and ... F 1 ) and spectral widths of 8389.2 and 2128.9 Hz for F 2 and F 1 , respectively. All data sets were linear predicted and zero-filled once in the indirect dimension before Fourier transformation and ... namely NLS1 and 2, SAC and the Fig. 6. Pairwise overlays of 1 H- 15 N HSQC spectra of (A) rrPar-4FL (black contours) and rrPar-4DLZ (blue contours), (B) rrPar-4DLZ (blue contours) and rrPar-4SAC...
Ngày tải lên: 16/03/2014, 02:20
Si and siox nanostructures formed via thermal evaporation
... nm diameter) and SiO x nanođbers branches ($3 lm length and 70±230 nm diameter). While, the product in zone C is in the form of tadpoles with dierent length (Fig. 1e). Figs. 1f and 1g show that ... tadpoles on the left and right side of zone C have lengths of 15±30 and 30±70 lm, respec- tively. At the same time, the đbers in each `tadpole' coalesced together and formed a bundle (referred to ... Si and SiO x nanostructures formed via thermal evaporation Yong-jun Chen * , Jian-bao Li, Jin-hui Dai Department of Materials Science and Engineering, State Key Laboratory of New Ceramics and...
Ngày tải lên: 16/03/2014, 15:07
Báo cáo khoa học: Co-incorporation of Ab40 and Ab42 to form mixed pre-fibrillar aggregates ppt
... sample preparation. Homogeneous and heterogeneous mixtures of Ab40 and Ab42 formed these spherical prefi- brillar aggregates with a uniform distribution of morphology and size. CD spectroscopy indicates ... preparation. Homogeneous and heterogeneous mixtures of Ab40 and Ab42 formed these early aggregates of similar morphology and size. Ó FEBS 2003 Pre-fibrillary association between Ab40 and Ab42 (Eur. J. ... Co-incorporation of Ab40 and Ab42 to form mixed pre-fibrillar aggregates David Frost 1 , Paul M. Gorman 1 , Christopher M. Yip 2 and Avijit Chakrabartty 1 1 Division of Molecular and Structural Biology,...
Ngày tải lên: 17/03/2014, 09:20
Báo cáo khoa học: Engineering of a monomeric and low-glycosylated form of human butyrylcholinesterase pdf
... displayed a single broad band in the 7075 kDa molecular mass range. In contrast, the puriđed plasma BChE showed a faint band at 170 kDa (nonreducible dimer) and a major broad band at 85 kDa (monomer) under ... han for oligomeric forms, even if they form a noncovalent dimer by association of a four-helix bundle ( helices 383±372 and 526±543; human Table 2. I n¯uence of the number and position of N-glycosylation ... peptide sequencing of human BChE showed that positions 481 and 486 were glyc osylated, and position 485 was not [18]. Because Asn485 and Asn486 are adjacent, the nongly- cosylation of Asn485 may...
Ngày tải lên: 17/03/2014, 11:20
Báo cáo khoa học: "Polynomial Learnability and Locality of Formal Grammars" doc
... from that of any other, and then taking the union of the rules in all those grammars, and finally adding the rule S -* Si for each staxing symbol S~ of g,, and making a brand new symbol S the ... Figure 3. 16Tree adjoining grmnmars were introduced as a formalism for linguistic description by Joehi et al. [10], [9]. Various formal and computational properties of TAG'ã were studied ... may start developing small special purpose grammars for dif- ferent uses and contexts and slowly start to generalize and compress the large set of similar grammars into a smaller set. 7 Conclusions...
Ngày tải lên: 17/03/2014, 20:20
Research " UNIVERSITY OF CALGARY YOUTH SUBSTANCE USE AND HUMAN CAPITAL FORMATION " pdf
Ngày tải lên: 23/03/2014, 05:23
Báo cáo khoa học: Actin mutations in hypertrophic and dilated cardiomyopathy cause inefficient protein folding and perturbed filament formation pdf
... (v ⁄ v) formamide for 5 min at 95 °C and separated by SDS ⁄ PAGE and visualized by phosphorimaging. Ubiquitination and aggregation assay In vitro transcription and translation was performed in ... Actin mutations in hypertrophic and dilated cardiomyopathy cause inefficient protein folding and perturbed filament formation Søren Vang 1 , Thomas J. Corydon 2 , Anders D. Børglum 2 , Melissa D. ... Only full length and correctly folded actin can form a high affinity complex with DNase I [20]. By immobilizing DNase I on Sepharose beads, folded actin can be pulled down from solution and quantified by...
Ngày tải lên: 23/03/2014, 13:20
ORIGIN AND DEVELOPMENT OF FORM AND ORNAMENT IN CERAMIC ART pptx
... assume form. To retain form. Fig. 466. Form derived from a stone pot. Fig. 467. Form derived from a wooden tray. Fig. 468. Form derived from a horn spoon. Fig. 469. Form ... vessels as models, and such forms as that given in Fig. 466 would arise, a being in stone and b in clay, the former from California and the latter from Arizona. Similar forms would just as ... illustrates a form quite common in the Southern States, a [Pg 450] section in which pouch-like nets and baskets, a, were formerly in use and in which the pots were often modeled. INVENTION OF FORM. ...
Ngày tải lên: 28/03/2014, 20:20
TYPES AND ROLES OF FORMAL FINANCIAL INSTITUTIONS PROVIDING AGRICULTURAL CREDIT potx
... liabilities GRAND TOTAL GRAND TOTAL 3.6.2 The Income and Expense account The Income and Expense account originates from the composition of assets and liabilities and from the bank ... typical goals and average performance of different kinds of banks is still useful because current performances are affected by past institutional and operational objectives and constraints and because ... important classifications are presented: the distinction between bank and non-bank financial intermediaries and between formal and informal financial markets. On the first respect the following...
Ngày tải lên: 29/03/2014, 09:20
the biodiesel handbook - knothe, van gerpen and krahl (full version)
... sulfur dioxide and sulfur trioxide. These oxides of sulfur can react with water vapor to form sulfuric acid and other sulfate compounds. The sul- fates can form particles in the exhaust and elevate ... 10% FFA, and 8% phospho- lipids. It also contains nearly 50% water and is quite alkaline (pH typically >9). Due to the high pH and substantial content of polar lipids, the lipids and water ... biodiesel with much lower CP and PP. Thus, feedstocks such as linseed, olive, rapeseed, and safflower oils tend to yield biodiesel with CP ≤ 0°C (36–40). Figures 1 and 2 are plots of CP and PP, respectively,...
Ngày tải lên: 02/04/2014, 15:10
Part 7: Specification for materials and workmanship: cold formed sections potx
Ngày tải lên: 08/07/2014, 22:20
Section XI - Drugs Acting on the Blood and the Blood-Forming docx
Ngày tải lên: 12/07/2014, 20:21
Báo cáo nghiên cứu khoa học: "Maximal and minimal Schrödinger forms " docx
Ngày tải lên: 05/08/2014, 09:46
Báo cáo nghiên cứu khoa học: "Analytic perturbations of the $ar partial $-operator and integral representation formulas in Hilbert spaces " pps
Ngày tải lên: 05/08/2014, 09:46
Báo cáo toán học: " Infinite-Dimensional Ito Processes with Respect to Gaussian Random Measures and the Ito Formula" potx
Ngày tải lên: 06/08/2014, 05:20